CN108775741A - Air conditioner defrosting control method - Google Patents
Air conditioner defrosting control method Download PDFInfo
- Publication number
- CN108775741A CN108775741A CN201810508118.3A CN201810508118A CN108775741A CN 108775741 A CN108775741 A CN 108775741A CN 201810508118 A CN201810508118 A CN 201810508118A CN 108775741 A CN108775741 A CN 108775741A
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- China
- Prior art keywords
- air conditioner
- control method
- defrosting control
- defrosting
- compressor
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
- F25B47/02—Defrosting cycles
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention belongs to air conditioner technical fields, and in particular to a kind of air conditioner defrosting control method.Room temperature fluctuation is excessive when defrosting in order to prevent, and air conditioner defrosting control method proposed by the present invention includes the following steps：During air conditioner heat-production is run, judge whether air conditioner meets defrosting condition；If it is, before air conditioner enters defrosting mode, indoor environment temperature is obtained；Compare the indoor environment temperature and preset temperature, and selectively controls according to comparison result running frequency, throttle valve opening or the indoor unit of compressor and/or the rotation speed of fan of outdoor unit.The rotation speed of fan of compressor is selectively controlled the present invention is based on the difference of preset temperature and indoor environment temperature running frequency, throttle valve opening or indoor unit and/or outdoor unit stores part energy, during air conditioner defrosts, this portion of energy is supplemented to interior, and room temperature fluctuation is excessive when to effectively prevent defrosting.
Description
Technical field
The invention belongs to air conditioner technical fields, and in particular to a kind of air conditioner defrosting control method.
Background technology
Air conditioner as a kind of equipment that can adjust indoor environment temperature, its working principle is that：It is being followed by refrigerant
Between endless tube road by the state of high voltage/low voltage/gaseous state/liquid convert make indoor environment temperature reduce or increase, i.e., from
From the perspective of indoor unit, air conditioner is in refrigeration or heating condition.When air conditioner heat-production is run, in certain humidity item
If outdoor coil temperature is too low to lead to frosting situation under part, and outdoor coil pipe used frosting can cause the heat exchange of outdoor heat exchanger to be imitated
Rate reduces, and influences the heating effect of air conditioner, reduces the comfort of indoor environment, influence user experience.Therefore, at air conditioner
In the case of heating condition, the outdoor coil pipe used progress to air conditioner is needed effectively to defrost in time.
Whether existing domestic air conditioner can judge air conditioner in knot in several ways in running heating operations
White state, such as go to judge whether to enter defrosting using run time+outdoor coil temperature.When judging that air conditioner is in frosting shape
After state, then air conditioner is set to enter defrosting mode, however this mode easily causes indoor temperature larger fluctuation.
Therefore, the present invention proposes a kind of new defrosting control method to reduce the shadow during defrosting to indoor temperature
It rings.
Invention content
In order to solve the above problem in the prior art, room temperature fluctuation is excessive when defrosting in order to prevent, and the present invention carries
A kind of air conditioner defrosting control method is gone out, the defrosting control method includes the following steps：In the mistake of air conditioner heat-production operation
Cheng Zhong, judges whether air conditioner meets defrosting condition；If it is, before air conditioner enters defrosting mode, indoor ring is obtained
Border temperature；Compare the indoor environment temperature and preset temperature, and selectively controls the operation of compressor according to comparison result
The rotation speed of fan of frequency, throttle valve opening or indoor unit and/or outdoor unit.
In the preferred embodiment of above-mentioned air conditioner defrosting control method, " compare indoor environment temperature and preset temperature,
And selectively control according to comparison result running frequency, throttle valve opening or the indoor unit and/or outdoor unit of compressor
The step of rotation speed of fan " includes：Calculating difference pn=preset temperatures-indoor environment temperature；If pn >=setting value, is promoted
The running frequency of compressor；If pn < setting values, maintain the running frequency of compressor constant, and reduce throttle valve opening,
And/or reduce the rotation speed of fan of indoor unit and/or outdoor unit.
In the preferred embodiment of above-mentioned air conditioner defrosting control method, if pn >=setting value, by the compression
The running frequency of machine promotes 10-15hz.
In the preferred embodiment of above-mentioned air conditioner defrosting control method, if pn < setting values, by the throttling
Valve opening reduces 20-40 steps.
In the preferred embodiment of above-mentioned air conditioner defrosting control method, if pn < setting values, make the interior
The rotation speed of fan of machine and/or outdoor unit reduces 40-60rpm.
In the preferred embodiment of above-mentioned air conditioner defrosting control method, if pn < setting values, make the interior
The rotation speed of fan of machine and/or outdoor unit reduces 50rpm.
In the preferred embodiment of above-mentioned air conditioner defrosting control method, arbitrary value of the setting value between 0-2.
In the preferred embodiment of above-mentioned air conditioner defrosting control method, the setting value is 1.
In the preferred embodiment of above-mentioned air conditioner defrosting control method, the preset temperature can be at 16-30 DEG C
Selection in range.
Technical solution through the invention is based on preset temperature and indoor environment before air conditioner enters defrosting mode
The difference of temperature selectively controls running frequency, throttle valve opening or the indoor unit of compressor and/or the wind turbine of outdoor unit
Rotating speed stores part energy, and during air conditioner defrosts, this portion of energy is supplemented to interior, to effectively prevent removing
Room temperature fluctuation is excessive when white.It will be appreciated to those of skill in the art that by the difference of preset temperature and indoor environment temperature
Value can accurately select corresponding energy storage mode as with reference to value, room temperature when to farthest reduce defrosting
Fluctuation.
Description of the drawings
Fig. 1 is the main flow schematic diagram of the air conditioner defrosting control method of the present invention.
Specific implementation mode
To keep the embodiment of the present invention, technical solution and advantage more obvious, below in conjunction with attached drawing to the skill of the present invention
Art scheme is clearly and completely described, it is clear that and the embodiment described is a part of the embodiment of the present invention, rather than all
Embodiment.It will be apparent to a skilled person that these embodiments are used only for explaining the technical principle of the present invention, and
It is not intended to be limiting protection scope of the present invention.
As shown in Figure 1, the defrosting control method of the present invention includes the following steps：S110, the mistake run in air conditioner heat-production
Cheng Zhong, judges whether air conditioner meets defrosting condition；S120, if it is, before air conditioner enters defrosting mode, obtain room
Interior environment temperature；S130, compare indoor environment temperature and preset temperature, and compressor is selectively controlled according to comparison result
The rotation speed of fan of running frequency, throttle valve opening or indoor unit and/or outdoor unit.Wherein, preset temperature can be by user certainly
Definition setting, the temperature that can usually set preset temperature between 16-30 DEG C.By step S110-S130, based on interior
Environment temperature and preset temperature selectively control running frequency, throttle valve opening or indoor unit and/or the outdoor of compressor
The rotation speed of fan of machine, to store part energy before air conditioner is defrosted, in this case, in the process to defrost
In, this portion of energy of storage can add in indoor heating capacity, reduce air conditioner to a certain extent and defrosting
To the influence of indoor temperature in journey, room temperature fluctuates excessive situation and occurs when so as to effectively prevent defrosting.
In step s 110, when judging whether air conditioner meets defrosting condition, those skilled in the art can select arbitrarily
Known judgment method, it is of the invention herein specific defrosting condition not to be defined.
In step s 130, calculating difference pn=preset temperatures-indoor environment temperature；If pn >=setting value, is promoted
The running frequency of compressor；If pn < setting values, maintain the running frequency of compressor constant, and reduce throttle valve opening,
And/or reduce the rotation speed of fan of indoor unit and/or outdoor unit.Wherein, setting value can between 0-2 arbitrary value, in this implementation
In example, setting value 1.
As an example, as pn >=1, then the running frequency of compressor is promoted into 10-15hz.Those skilled in the art can
Understanding, during air conditioner defrosts, indoor heating amount can reduce, and if carried compressor frequency before entering defrosting
After rising, part energy is stored in compressor, then during air conditioner defrosting, this portion of energy is supplemented to interior, from
And room temperature fluctuation is excessive when effectivelying prevent defrosting.
As an example, as pn < 1, then throttle valve opening is reduced into 20-40 steps；Or make indoor unit and/or outdoor unit
Rotation speed of fan reduce 40-60rpm, preferably make the rotation speed of fan of indoor unit and/or outdoor unit reduce 50rpm.So,
Part energy can be stored before entering defrosting, then during air conditioner defrosting, this portion of energy is supplemented to interior, from
And room temperature fluctuation is excessive when effectivelying prevent defrosting.
In conclusion technical solution through the invention, before air conditioner enters defrosting mode, based on preset temperature and
The difference of indoor environment temperature selectively controls running frequency, throttle valve opening or indoor unit and/or the outdoor of compressor
The rotation speed of fan of machine stores part energy, and during air conditioner defrosts, this portion of energy is supplemented to interior, to have
Room temperature fluctuation is excessive when effect prevents from defrosting.It will be appreciated to those of skill in the art that by preset temperature and indoor environment
The difference of temperature is used as with reference to being worth, and can accurately select corresponding energy storage mode, room when to farthest reduce defrosting
Between temperature fluctuation.
So far, it has been combined preferred embodiment shown in the drawings and describes technical scheme of the present invention, still, this field
Technical staff is it is easily understood that protection scope of the present invention is expressly not limited to these specific implementation modes.Without departing from this
Under the premise of the principle of invention, those skilled in the art can make the relevant technologies feature equivalent change or replacement, these
Technical solution after change or replacement is fallen within protection scope of the present invention.
Claims (9)
1. a kind of air conditioner defrosting control method, which is characterized in that the defrosting control method includes the following steps：
During air conditioner heat-production is run, judge whether air conditioner meets defrosting condition；
If it is, before air conditioner enters defrosting mode, indoor environment temperature is obtained；
Compare the indoor environment temperature and preset temperature, and selectively controls the operation frequency of compressor according to comparison result
The rotation speed of fan of rate, throttle valve opening or indoor unit and/or outdoor unit.
2. air conditioner defrosting control method according to claim 1, which is characterized in that " compare indoor environment temperature and pre-
If temperature, and selectively control according to comparison result running frequency, throttle valve opening or indoor unit and/or the room of compressor
The step of rotation speed of fan of outer machine " includes：
Calculating difference pn=preset temperatures-indoor environment temperature；
If pn >=setting value promotes the running frequency of compressor；
If pn < setting values, maintain the running frequency of compressor constant, and reduce throttle valve opening, and/or reduce indoor
The rotation speed of fan of machine and/or outdoor unit.
3. air conditioner defrosting control method according to claim 2, which is characterized in that if pn >=setting value, by institute
The running frequency for stating compressor promotes 10-15hz.
4. air conditioner defrosting control method according to claim 2, which is characterized in that if pn < setting values, by institute
It states throttle valve opening and reduces 20-40 steps.
5. air conditioner defrosting control method according to claim 2, which is characterized in that if pn < setting values, make institute
Stating the rotation speed of fan of indoor unit and/or outdoor unit reduces 40-60rpm.
6. air conditioner defrosting control method according to claim 5, which is characterized in that if pn < setting values, make institute
Stating the rotation speed of fan of indoor unit and/or outdoor unit reduces 50rpm.
7. the air conditioner defrosting control method according to any one of claim 2 to 6, which is characterized in that the setting value
Arbitrary value between 0-2.
8. air conditioner defrosting control method according to claim 7, which is characterized in that the setting value is 1.
9. air conditioner defrosting control method according to any one of claim 1 to 6, which is characterized in that the default temperature
Degree can select in the range of 16-30 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810508118.3A CN108775741B (en) | 2018-05-24 | 2018-05-24 | Defrosting control method for air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810508118.3A CN108775741B (en) | 2018-05-24 | 2018-05-24 | Defrosting control method for air conditioner |
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| Publication Number | Publication Date |
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| CN108775741A true CN108775741A (en) | 2018-11-09 |
| CN108775741B CN108775741B (en) | 2020-09-25 |
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| CN201810508118.3A Active CN108775741B (en) | 2018-05-24 | 2018-05-24 | Defrosting control method for air conditioner |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111561760A (en) * | 2020-05-06 | 2020-08-21 | 广东美的暖通设备有限公司 | Control method of air conditioning system, air conditioning system and computer storage medium |
| CN115289615A (en) * | 2022-08-04 | 2022-11-04 | 河南城建学院 | Automatic defrosting control method and system for air conditioner |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08291957A (en) * | 1995-04-20 | 1996-11-05 | Fujitsu General Ltd | Air conditioner |
| CN101187516A (en) * | 2006-11-17 | 2008-05-28 | 海尔集团公司 | Air-conditioner defrosting method |
| CN102449408B (en) * | 2009-05-29 | 2014-07-30 | 大金工业株式会社 | Air-conditioning device |
| CN104501350A (en) * | 2014-11-17 | 2015-04-08 | 广东美的制冷设备有限公司 | Air conditioner control method and air conditioner |
| CN105571223A (en) * | 2016-02-29 | 2016-05-11 | 青岛海尔空调器有限总公司 | Defrosting method for constant-frequency air conditioner |
| CN105674648A (en) * | 2016-04-01 | 2016-06-15 | 珠海格力电器股份有限公司 | Heating-based defrost control method of multi-split air-conditioning system |
| JP2018159524A (en) * | 2017-03-23 | 2018-10-11 | 株式会社コロナ | Integrated air conditioner |
-
2018
- 2018-05-24 CN CN201810508118.3A patent/CN108775741B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08291957A (en) * | 1995-04-20 | 1996-11-05 | Fujitsu General Ltd | Air conditioner |
| CN101187516A (en) * | 2006-11-17 | 2008-05-28 | 海尔集团公司 | Air-conditioner defrosting method |
| CN102449408B (en) * | 2009-05-29 | 2014-07-30 | 大金工业株式会社 | Air-conditioning device |
| CN104501350A (en) * | 2014-11-17 | 2015-04-08 | 广东美的制冷设备有限公司 | Air conditioner control method and air conditioner |
| CN105571223A (en) * | 2016-02-29 | 2016-05-11 | 青岛海尔空调器有限总公司 | Defrosting method for constant-frequency air conditioner |
| CN105674648A (en) * | 2016-04-01 | 2016-06-15 | 珠海格力电器股份有限公司 | Heating-based defrost control method of multi-split air-conditioning system |
| JP2018159524A (en) * | 2017-03-23 | 2018-10-11 | 株式会社コロナ | Integrated air conditioner |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111561760A (en) * | 2020-05-06 | 2020-08-21 | 广东美的暖通设备有限公司 | Control method of air conditioning system, air conditioning system and computer storage medium |
| CN115289615A (en) * | 2022-08-04 | 2022-11-04 | 河南城建学院 | Automatic defrosting control method and system for air conditioner |
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| Publication number | Publication date |
|---|---|
| CN108775741B (en) | 2020-09-25 |
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Effective date of registration: 20201028 Address after: 266101 Haier Industrial Park, Haier Road, Laoshan District, Shandong, Qingdao, China Patentee after: QINGDAO HAIER AIR CONDITIONER GENERAL Corp.,Ltd. Patentee after: Haier Zhijia Co.,Ltd. Address before: 266101 Haier Industrial Park, Haier Road, Laoshan District, Shandong, Qingdao, China Patentee before: QINGDAO HAIER AIR CONDITIONER GENERAL Corp.,Ltd. |