CN107084512A - Control method, device and the air-conditioning of air-conditioner set static pressure - Google Patents

Control method, device and the air-conditioning of air-conditioner set static pressure Download PDF

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Publication number
CN107084512A
CN107084512A CN201710474054.5A CN201710474054A CN107084512A CN 107084512 A CN107084512 A CN 107084512A CN 201710474054 A CN201710474054 A CN 201710474054A CN 107084512 A CN107084512 A CN 107084512A
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CN
China
Prior art keywords
air
static pressure
indoor apparatus
operational factor
conditioner
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710474054.5A
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Chinese (zh)
Inventor
刘军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Midea Group Co Ltd
Guangdong Midea HVAC Equipment Co Ltd
Original Assignee
Midea Group Co Ltd
Guangdong Midea HVAC Equipment Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Midea Group Co Ltd, Guangdong Midea HVAC Equipment Co Ltd filed Critical Midea Group Co Ltd
Priority to CN201710474054.5A priority Critical patent/CN107084512A/en
Publication of CN107084512A publication Critical patent/CN107084512A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/30Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/24Means for preventing or suppressing noise
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00Control inputs relating to air properties
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/50Control or safety arrangements characterised by user interfaces or communication
    • F24F11/61Control or safety arrangements characterised by user interfaces or communication using timers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/62Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63Electronic processing
    • F24F11/64Electronic processing using pre-stored data
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/24Means for preventing or suppressing noise
    • F24F2013/247Active noise-suppression

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Atmospheric Sciences (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

The embodiment of the present invention provides a kind of control method, device and the air-conditioning of air-conditioner set static pressure, belong to air-conditioning technical field, solve when the actual static pressure of indoor apparatus of air conditioner institute air duct sets static pressure to mismatch with the indoor apparatus of air conditioner unit, the problem of influenceing air-conditioning effect.Methods described includes:The operational factor of air-conditioning draught fan is measured, the operational factor is associated with the load of the air-conditioning draught fan;Judge the operational factor whether within a preset range;When the operational factor not within a preset range when, determine that the actual static pressure of indoor apparatus of air conditioner institute air duct sets static pressure to mismatch with the indoor apparatus of air conditioner unit, and point out to reset unit static pressure.The embodiment of the present invention is applied to the process of control air-conditioner set static pressure.

Description

Control method, device and the air-conditioning of air-conditioner set static pressure
Technical field
The present invention relates to air-conditioning technical field, more particularly to a kind of control method, device and the sky of air-conditioner set static pressure Adjust.
Background technology
For airduct air conditioner, due to the difference of installation environment, the duct length installed generally differs greatly, that is, existed The requirement of different static pressure.For air pipe machine indoor machine air-conditioning, general acquiescence benchmark static pressure dispatches from the factory.But when outside is given a dinner for a visitor from afar When the actual static pressure of pipe and unit set the static pressure substantially to mismatch, it is less than normal to be likely to result in air output, influence air-conditioning effect or goes out Air quantity is bigger than normal, and noise is bigger than normal, and blower fan electric current and power will also increase.Particularly with driving structure built in blower fan, main control MCU (Microprogrammed Control Unit microprogram control units) can not obtain the changed power of blower fan, when blower fan electric current and Power may result in blower fan damage when increasing.
The content of the invention
The purpose of the embodiment of the present invention is to provide a kind of control method, device and the air-conditioning of air-conditioner set static pressure, the air-conditioning Measuring method, device and the air-conditioning of blower fan can by judging the change of fan operation electric current, determine unit set static pressure with it is outside Whether the actual static pressure of institute's air duct is matched, so that it is guaranteed that air-conditioning using effect, it is to avoid blower fan is damaged.
To achieve these goals, the embodiment of the present invention provides a kind of control method of air-conditioner set static pressure, including:
The operational factor of air-conditioning draught fan is measured, the operational factor is associated with the load of the air-conditioning draught fan;
Judge the operational factor whether within a preset range;And
When the operational factor not within a preset range when, determine the actual static pressure of indoor apparatus of air conditioner institute air duct with The indoor apparatus of air conditioner unit sets static pressure to mismatch, and points out to reset unit static pressure.
Further, the operational factor includes the running current or power of the air-conditioning draught fan.
Further, methods described also includes:The higher limit being more than or equal to when the operational factor in the preset range When, the actual static pressure that the indoor apparatus of air conditioner unit sets static pressure to be more than indoor apparatus of air conditioner institute air duct is determined, drop is pointed out The low indoor apparatus of air conditioner unit sets static pressure.
Further, methods described also includes:The lower limit being less than or equal to when the operational factor in the preset range When, the actual static pressure that the indoor apparatus of air conditioner unit sets static pressure to be less than indoor apparatus of air conditioner institute air duct is determined, prompting is carried The high indoor apparatus of air conditioner unit sets static pressure.
Further, methods described also includes:When the rotating speed for detecting the air-conditioning draught fan is preset rotation speed and is continued pre- If during the time, measuring the operational factor of air-conditioning draught fan.
On the other hand, the embodiment of the present invention provides a kind of control device of air-conditioner set static pressure, including:
Measuring unit, the operational factor for measuring air-conditioning draught fan, the operational factor and the load of the air-conditioning draught fan It is associated;
Judging unit, for judging the operational factor whether within a preset range;And
Tip element, for when the operational factor not within a preset range when, determine that the indoor apparatus of air conditioner is given a dinner for a visitor from afar The actual static pressure of pipe sets static pressure to mismatch with the indoor apparatus of air conditioner unit, and points out to reset unit static pressure.
Further, the operational factor of the measuring unit measurement includes the running current or power of the air-conditioning draught fan.
Further, the Tip element, is additionally operable to when the operational factor is more than or equal to upper in the preset range During limit value, determine that the indoor apparatus of air conditioner unit sets static pressure to be more than the actual static pressure of indoor apparatus of air conditioner institute air duct, carry Show that the reduction indoor apparatus of air conditioner unit sets static pressure.
Further, the Tip element, is additionally operable under the operational factor is less than or equal in the preset range During limit value, determine that the indoor apparatus of air conditioner unit sets static pressure to be less than the actual static pressure of indoor apparatus of air conditioner institute air duct, carry Show that the raising indoor apparatus of air conditioner unit sets static pressure.
Further, described device also includes:
Detection unit, for detecting that the rotating speed of the air-conditioning draught fan is preset rotation speed and lasting preset time;
The measuring unit, be additionally operable to when the detection unit detect the rotating speed of the air-conditioning draught fan for preset rotation speed and When continuing preset time, the operational factor of air-conditioning draught fan is measured.
On the other hand, the embodiment of the present invention also provides a kind of air-conditioning, and the air-conditioning includes the control of above-mentioned air-conditioner set static pressure Device processed.
By whether within a preset range to judge the operational factor associated with the load of air-conditioning draught fan, so that it is determined that described The actual static pressure of indoor apparatus of air conditioner institute air duct sets whether static pressure matches with the indoor apparatus of air conditioner unit, and when mismatching Prompting resets unit static pressure.The embodiment of the present invention solves the actual static pressure and institute when indoor apparatus of air conditioner institute air duct When stating indoor apparatus of air conditioner unit setting static pressure mismatch, the problem of influenceing air-conditioning effect, it is to avoid blower fan is damaged and ensures that air-conditioning makes Use effect.
The further feature and advantage of the embodiment of the present invention will be described in detail in subsequent embodiment part.
Brief description of the drawings
Accompanying drawing is that the embodiment of the present invention is further understood for providing, and constitutes a part for specification, with The embodiment in face is used to explain the embodiment of the present invention together, but does not constitute the limitation to the embodiment of the present invention.Attached In figure:
Fig. 1 shows the schematic flow sheet of the control method of air-conditioner set static pressure according to an embodiment of the invention;
Fig. 2 shows the structured flowchart of the control device of air-conditioner set static pressure according to an embodiment of the invention;
Fig. 3 shows the structured flowchart of the control device of air-conditioner set static pressure according to another embodiment of the present invention.
Embodiment
The embodiment of the embodiment of the present invention is described in detail below in conjunction with accompanying drawing.It should be appreciated that this The embodiment of place description is merely to illustrate and explain the present invention embodiment, is not intended to limit the invention embodiment.
Fig. 1 shows the schematic flow sheet of the control method of air-conditioner set static pressure according to an embodiment of the invention.Such as Fig. 1 Shown, one embodiment of the invention provides a kind of control method of air-conditioner set static pressure, as shown in figure 1, methods described is including as follows Step:
101st, the operational factor of air-conditioning draught fan is measured, the operational factor is associated with the load of the air-conditioning draught fan;
102nd, judge the operational factor whether within a preset range;And
Wherein, the operational factor includes the running current or power of the air-conditioning draught fan, can be by measuring air-conditioner wind The running current or power of machine, so as to judge running current whether in the preset range of corresponding running current, or sentence Whether disconnected power is in the preset range of corresponding power.
For example, when the operational factor is running current, judging the running current whether in preset range (IIt is specified- D, IIt is specified+ C) in, wherein IIt is specifiedObtained running current is measured in the case of standard static pressure for unit, can be according to quiet in standard in experiment The average value of the running current measured is depressed, is preset value, in addition, C and D is adjusting parameter, can be according to air-conditioner set The running current measured under different model or various criterion static pressure difference and set, do not limit herein.
For example, when the operational factor is power, judging the power whether in preset range (PIt is specified- F, PIt is specified+E) It is interior, wherein PIt is specifiedFor unit obtained power is measured in the case of standard static pressure, can be according to being measured in experiment under standard static pressure The average value of power, is preset value, in addition, E and F is adjusting parameter, can according to the different model of air-conditioner set or not Set, do not limit herein with the difference of the power measured under standard static pressure.
103rd, when the operational factor not within a preset range when, determine that the reality of indoor apparatus of air conditioner institute air duct is quiet Pressure sets static pressure to mismatch with the indoor apparatus of air conditioner unit, and points out to reset unit static pressure.
When the operational factor not within a preset range when, determine the actual static pressure of indoor apparatus of air conditioner institute air duct with The indoor apparatus of air conditioner unit sets static pressure to mismatch, and it is less than normal to be likely to result in air-out volume, influences air-conditioning using effect, or go out Wind air quantity is bigger than normal, and noise is bigger than normal, and running current and power can also increase, and blower fan damage is may result in, accordingly, it would be desirable to point out to make User resets unit static pressure, so that it is guaranteed that air-conditioning using effect, it is to avoid blower fan is damaged.
When the operational factor is in the preset range, then air-conditioner set continues normal operation.
In another embodiment of the invention, when the higher limit that the operational factor is more than or equal in the preset range When, the actual static pressure that the indoor apparatus of air conditioner unit sets static pressure to be more than indoor apparatus of air conditioner institute air duct is determined, drop is pointed out The low indoor apparatus of air conditioner unit sets static pressure.
Illustrated so that the operational factor is running current as an example, as I >=IIt is specifiedDuring+C, the indoor apparatus of air conditioner is determined Unit sets static pressure to be more than the actual static pressure of indoor apparatus of air conditioner institute air duct, illustrates that now air-out volume is bigger than normal, noise It is bigger than normal, if not being likely to result in blower fan damage, it is therefore desirable to remind user to reduce the air-conditioning to setting static pressure to be adjusted Indoor set unit sets static pressure, can be pointed out by way of audio alarm, or on a display screen, not limit carry here Show mode.
In another embodiment of the present invention, the lower limit being less than or equal to when the operational factor in the preset range When, the actual static pressure that the indoor apparatus of air conditioner unit sets static pressure to be less than indoor apparatus of air conditioner institute air duct is determined, prompting is carried The high indoor apparatus of air conditioner unit sets static pressure.
Illustrated so that the operational factor is running current as an example, as I≤IIt is specifiedDuring-D, the indoor apparatus of air conditioner is determined Unit sets static pressure to be less than the actual static pressure of indoor apparatus of air conditioner institute air duct, illustrates that now air-out volume is less than normal, and influence is empty Adjust using effect, it is therefore desirable to remind user to improve the indoor apparatus of air conditioner unit and static pressure is set, also do not limit prompting herein Mode.
In another embodiment of the invention, when the rotating speed for detecting the air-conditioning draught fan is preset rotation speed and is persistently preset During the time, the operational factor of air-conditioning draught fan is measured.
Wherein, can be in fan operation to certain rotating speed N, and when continuing preset time T, i.e., after blower fan startup work After the fan operation is steady, the operational factor of air-conditioning draught fan can be measured.Wherein, rotating speed N is preset value, for example It can be maximum speed.
By the change of the running current or power that judge blower fan, the reality of indoor apparatus of air conditioner institute air duct is judged Static pressure sets whether static pressure matches with the indoor apparatus of air conditioner unit, to ensure air-conditioning effect, when blower fan electric current, power increase When, blower fan can also be avoided to cause to damage because of overload by adjusting setting static pressure.
Fig. 2 shows the structured flowchart of the control device of air-conditioner set static pressure according to an embodiment of the invention.Such as Fig. 2 institutes Show, the embodiment of the present invention also provides a kind of control device of air-conditioner set static pressure, described device includes:
Measuring unit 21, the operational factor for measuring air-conditioning draught fan, the operational factor is negative with the air-conditioning draught fan Lotus is associated;
Judging unit 22, for judging the operational factor whether within a preset range;And
Tip element 23, for when the operational factor not within a preset range when, determine that the indoor apparatus of air conditioner is connect The actual static pressure of airduct sets static pressure to mismatch with the indoor apparatus of air conditioner unit, and points out to reset unit static pressure.
By the change of the running current or power that judge blower fan, the reality of indoor apparatus of air conditioner institute air duct is judged Static pressure sets whether static pressure matches with the indoor apparatus of air conditioner unit, it is ensured that air-conditioning using effect, it is to avoid blower fan is damaged.
Further, the operational factor that the measuring unit 21 is measured includes the running current or work(of the air-conditioning draught fan Rate.
Further, the Tip element 23, is additionally operable to when the operational factor is more than or equal in the preset range During higher limit, the actual static pressure that the indoor apparatus of air conditioner unit sets static pressure to be more than indoor apparatus of air conditioner institute air duct is determined, The prompting reduction indoor apparatus of air conditioner unit sets static pressure.
Further, the Tip element 23, is additionally operable to when the operational factor is less than or equal in the preset range During lower limit, the actual static pressure that the indoor apparatus of air conditioner unit sets static pressure to be less than indoor apparatus of air conditioner institute air duct is determined, Prompting improves the indoor apparatus of air conditioner unit and sets static pressure.
Further, as shown in figure 3, described device also includes:
Detection unit 31, for detecting that the rotating speed of the air-conditioning draught fan is preset rotation speed and lasting preset time;
The measuring unit 21, is additionally operable to when the rotating speed that the detection unit detects the air-conditioning draught fan is preset rotation speed And when continuing preset time, measure the operational factor of air-conditioning draught fan.
The concrete operating principle and benefit of the control device of air-conditioner set static pressure provided in an embodiment of the present invention and above-mentioned sky Adjust the concrete operating principle and benefit of the control method of unit static pressure similar, will not be described in great detail here.
Accordingly, the embodiment of the present invention also provides a kind of air-conditioning, and the air-conditioning includes the control of above-mentioned air-conditioner set static pressure Device processed.
The optional embodiment of example of the present invention is described in detail above in association with accompanying drawing, still, the embodiment of the present invention is not limited Detail in above-mentioned embodiment, can be to the embodiment of the present invention in the range of the technology design of the embodiment of the present invention Technical scheme carry out a variety of simple variants, these simple variants belong to the protection domain of the embodiment of the present invention.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance In the case of shield, it can be combined by any suitable means.In order to avoid unnecessary repetition, the embodiment of the present invention pair Various possible combinations no longer separately illustrate.
It will be appreciated by those skilled in the art that realizing that all or part of step in above-described embodiment method can be by Program instructs the hardware of correlation to complete, and the program storage is in a storage medium, including some instructions are to cause one Individual (can be single-chip microcomputer, chip etc.) or processor (processor) perform the whole of each embodiment methods described of the application Or part steps.And foregoing storage medium includes:USB flash disk, mobile hard disk, read-only storage (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can store journey The medium of sequence code.
In addition, can also be combined between a variety of embodiments of the embodiment of the present invention, as long as it is not The thought of the embodiment of the present invention is run counter to, it should equally be considered as disclosure of that of the embodiment of the present invention.

Claims (11)

1. a kind of control method of air-conditioner set static pressure, it is characterised in that including:
The operational factor of air-conditioning draught fan is measured, the operational factor is associated with the load of the air-conditioning draught fan;
Judge the operational factor whether within a preset range;And
When the operational factor not within a preset range when, determine the actual static pressure of indoor apparatus of air conditioner institute air duct with it is described Indoor apparatus of air conditioner unit sets static pressure to mismatch, and points out to reset unit static pressure.
2. the control method of air-conditioner set static pressure according to claim 1, it is characterised in that the operational factor includes institute State the running current or power of air-conditioning draught fan.
3. the control method of air-conditioner set static pressure according to claim 1, it is characterised in that methods described also includes:
When the operational factor is more than or equal to the higher limit in the preset range, determine that the indoor apparatus of air conditioner unit is set Static pressure is more than the actual static pressure of indoor apparatus of air conditioner institute air duct, points out the reduction indoor apparatus of air conditioner unit to set static pressure.
4. the control method of air-conditioner set static pressure according to claim 1, it is characterised in that methods described also includes:
When the operational factor is less than or equal to the lower limit in the preset range, determine that the indoor apparatus of air conditioner unit is set Static pressure is less than the actual static pressure of indoor apparatus of air conditioner institute air duct, points out to improve the indoor apparatus of air conditioner unit setting static pressure.
5. the control method of air-conditioner set static pressure according to claim 1, it is characterised in that methods described also includes:
When detecting the rotating speed of the air-conditioning draught fan for preset rotation speed and lasting preset time, the operation ginseng of measurement air-conditioning draught fan Number.
6. a kind of control device of air-conditioner set static pressure, it is characterised in that including:
Measuring unit, the operational factor for measuring air-conditioning draught fan, the operational factor is related to the load of the air-conditioning draught fan Connection;
Judging unit, for judging the operational factor whether within a preset range;And
Tip element, for when the operational factor not within a preset range when, determine indoor apparatus of air conditioner institute air duct Actual static pressure sets static pressure to mismatch with the indoor apparatus of air conditioner unit, and points out to reset unit static pressure.
7. the control device of air-conditioner set static pressure according to claim 6, it is characterised in that the measuring unit measurement Operational factor includes the running current or power of the air-conditioning draught fan.
8. the control device of air-conditioner set static pressure according to claim 6, it is characterised in that the Tip element, is also used When the higher limit being more than or equal to when the operational factor in the preset range, determine that the indoor apparatus of air conditioner unit is set quiet Pressure points out the reduction indoor apparatus of air conditioner unit to set static pressure more than the actual static pressure of indoor apparatus of air conditioner institute air duct.
9. the control device of air-conditioner set static pressure according to claim 6, it is characterised in that the Tip element, is also used When the lower limit being less than or equal to when the operational factor in the preset range, determine that the indoor apparatus of air conditioner unit is set quiet Pressure is pointed out to improve the indoor apparatus of air conditioner unit setting static pressure less than the actual static pressure of indoor apparatus of air conditioner institute air duct.
10. the control device of air-conditioner set static pressure according to claim 6, it is characterised in that described device also includes:
Detection unit, for detecting that the rotating speed of the air-conditioning draught fan is preset rotation speed and lasting preset time;
The measuring unit, is additionally operable to when the detection unit detects the rotating speed of the air-conditioning draught fan for preset rotation speed and continues During preset time, the operational factor of air-conditioning draught fan is measured.
11. a kind of air-conditioning, it is characterised in that the air-conditioning is included according to any one claim in claim 6-10 Air-conditioner set static pressure control device.
CN201710474054.5A 2017-06-21 2017-06-21 Control method, device and the air-conditioning of air-conditioner set static pressure Pending CN107084512A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109323367A (en) * 2018-09-26 2019-02-12 广东美的制冷设备有限公司 Air conditioner and its defrosting method, device
CN110486905A (en) * 2019-08-19 2019-11-22 珠海格力电器股份有限公司 Fan static pressure automatic adjusting method, device and air-conditioning system
CN114264044A (en) * 2021-12-29 2022-04-01 北京小米移动软件有限公司 Operation detection method and device for air conditioner and medium

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CN104344492A (en) * 2013-07-25 2015-02-11 广东美的制冷设备有限公司 Pipeline type ventilation device and air volume control method thereof
CN104791947A (en) * 2014-01-22 2015-07-22 珠海格力电器股份有限公司 Automatic static pressure adjusting and controlling method and system for air duct type indoor unit
CN104879897A (en) * 2015-06-01 2015-09-02 广东美的暖通设备有限公司 Control method and device for indoor fan of air conditioner

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Publication number Priority date Publication date Assignee Title
JPH05118629A (en) * 1991-10-23 1993-05-14 Hitachi Ltd Air conditioner
JPH07280330A (en) * 1994-04-06 1995-10-27 Matsushita Seiko Co Ltd Duct type simultaneous air supply/exhaust apparatus
CN201739208U (en) * 2010-08-03 2011-02-09 苏州三星电子有限公司 High static pressure air-conditioner blast pipe machine
CN102331071A (en) * 2011-08-17 2012-01-25 青岛海信日立空调系统有限公司 Anti-voltage fluctuation automatic static pressure recognition method and system for air pipe type air conditioning indoor unit
CN104344492A (en) * 2013-07-25 2015-02-11 广东美的制冷设备有限公司 Pipeline type ventilation device and air volume control method thereof
CN104791947A (en) * 2014-01-22 2015-07-22 珠海格力电器股份有限公司 Automatic static pressure adjusting and controlling method and system for air duct type indoor unit
CN104879897A (en) * 2015-06-01 2015-09-02 广东美的暖通设备有限公司 Control method and device for indoor fan of air conditioner

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109323367A (en) * 2018-09-26 2019-02-12 广东美的制冷设备有限公司 Air conditioner and its defrosting method, device
CN109323367B (en) * 2018-09-26 2021-10-26 广东美的制冷设备有限公司 Air conditioner and defrosting method and device thereof
CN110486905A (en) * 2019-08-19 2019-11-22 珠海格力电器股份有限公司 Fan static pressure automatic adjusting method, device and air-conditioning system
CN114264044A (en) * 2021-12-29 2022-04-01 北京小米移动软件有限公司 Operation detection method and device for air conditioner and medium

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