CN103940036A - Method for controlling defrosting of air conditioner - Google Patents
Method for controlling defrosting of air conditioner Download PDFInfo
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- CN103940036A CN103940036A CN201410129173.3A CN201410129173A CN103940036A CN 103940036 A CN103940036 A CN 103940036A CN 201410129173 A CN201410129173 A CN 201410129173A CN 103940036 A CN103940036 A CN 103940036A
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- conditioner
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- air conditioner
- defrost
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Abstract
The invention discloses a method for controlling defrosting of an air conditioner. A control strategy comprises the steps that if a system detects that the temperature (T2) of the middle of an evaporator drops by 1-8 DEG C within the last 8-12 min before receiving an air conditioner switch-off instruction, a defrosting mode is started, and an air conditioner system is switched off after the defrosting process is completed; if the system detects that the temperature (T2) of the middle of the evaporator drops by less than 1 DEG C within the last 8-12 min before receiving the air conditioner switch-off instruction, or one defrosting process is conducted within the last 8-12 min before the air conditioner switch-off instruction is received, and the air conditioner system is switched off directly. By the adoption of the technical scheme, defrosting of the air conditioner is controlled according to running time of the system and temperature conditions, the heating effect of the air conditioner is improved, rapid heating is realized when the air conditioner is switched on again, and the requirement of a user for comfort in the using process is met.
Description
Technical field
The invention belongs to the technical field of air-conditioning equipment, relate to the control technology of the heating condition of air-conditioner.More particularly, the present invention relates to a kind of air-conditioner defrosting control method.
Background technology
Because air-conditioner is in the course of work under heating mode, can on the heat exchanger tube of condenser, produce frosting, heat exchange efficiency is declined, affect its heating effect, need to carry out defrost to it.In normal course of operation, air-conditioner itself possesses defrosting function, carries out according to certain rules defrost.But, in the situation that directly shutting down, cannot carry out the defrost of heat exchanger tube.
In the prior art, when the shutdown of air-conditioner under heating mode, if there is frost on condenser, cannot carry out again defrost, can affect the heat exchange of the condenser while next time start, thereby affect heating effect; In this case, if user has the demand that promotes temperature in the short time, while start, cannot meet the demand that user heats fast, thereby reduce user's comfort.
Summary of the invention
The invention provides a kind of air-conditioner defrosting control method, its objective is heating effect when improving air-conditioning starts shooting again, improve user's comfort.
To achieve these goals, the technical scheme that the present invention takes is:
Air-conditioner defrosting control method of the present invention, in described air-conditioner running, air-conditioner electric-control system recording occurring continuously evaporimeter middle part temperature and air-conditioner running time;
Under heating mode, air-conditioner electric-control system receives closes air-conditioner instruction;
Described control method is:
If receiving in 8～12min last before closing air-conditioner instruction, system detects that evaporimeter middle part temperature declines 1～8 DEG C, starts defrost pattern, after defrost finishes, closes air-conditioner system;
Preferred: if receiving in 10min last before closing air-conditioner instruction, system detects that evaporimeter middle part temperature declines and exceedes 3 DEG C, starts defrost pattern, after defrost finishes, closes air-conditioner system;
If receiving in 8～12min last before closing air-conditioner instruction, system detects 1 DEG C of evaporimeter middle part temperature decline <; Or, receiving in 8～12min last before closing air-conditioner instruction, there is defrost process one time, directly close air-conditioner system;
Preferred: if receiving in 10min last before closing air-conditioner instruction, system detects 1 DEG C of evaporimeter middle part temperature decline <, directly closes air-conditioner system; Or, receiving in 10min last before closing air-conditioner instruction, had defrost process one time; Directly close air-conditioner system.
The present invention adopts technique scheme, according to the system duration of runs and the defrost of temperature conditions control air-conditioner, improves the heating effect of air-conditioning equipment, and heating fast when realizing air-conditioning and again starting shooting, meets the requirement of user to comfort.
Brief description of the drawings
Fig. 1 is the process schematic diagram of control method of the present invention;
Fig. 2 be in the present invention evaporimeter middle part temperature and time be related to schematic diagram.
Detailed description of the invention
Contrast accompanying drawing below, by the description to embodiment, the specific embodiment of the present invention is described in further detail, to help those skilled in the art to have more complete, accurate and deep understanding to inventive concept of the present invention, technical scheme.
In order to solve the problem of prior art existence and to overcome its defect, air-conditioner defrosting control method of the present invention, according to the system duration of runs and the defrost of temperature conditions control air-conditioner, produces the effect heating fast, improves user's comfort.
Technical scheme of the present invention is:
As shown in Figure 1, its controlled condition is the process of described air-conditioner defrosting control method:
In air-conditioner running, air-conditioner electric-control system needs recording occurring continuously evaporimeter middle part temperature T 2 and air-conditioner running time;
Under heating mode, air-conditioner electric-control system receives closes air-conditioner instruction.
What evaporimeter middle part temperature T 2 represented is the mean temperature of evaporimeter, and its variation can reflect the frosting degree of condenser indirectly.As shown in Figure 2, in air conditioner heat-production process, in 8～12min, 1 DEG C of temperature T 2 decline <, curve is smooth, represents that the frosting degree of condenser is very little, without carrying out defrost; In 8～12min, temperature T 2 declines 1～8 DEG C, and curvilinear slope is very large, represents that the frosting of condenser is serious, need to carry out defrost.
Concrete defrosting control strategy is as follows:
If receiving in 8～12min last before closing air-conditioner instruction, system detects that evaporimeter middle part temperature T 2 declines 1～8 DEG C, starts defrost pattern, guarantees that defrost is clean, after finishing, closes air-conditioner system;
If receiving in 8～12min last before closing air-conditioner instruction, system detects 1 DEG C of evaporimeter middle part temperature T 2 decline <, and system is thought and do not produced frosting, without carrying out defrost;
Or, receiving in 8～12min last before closing air-conditioner instruction, there is defrost process one time, system thinks that defrost is clean, can directly close air-conditioner system.
Therefore, air-conditioner, reopening while heating, because air-conditioner defrost is clean, or does not produce frosting, and heat transfer effect improves greatly, and heating effect is corresponding to be improved greatly, makes user experience at short notice temperature rise, improves comfortableness.
Embodiment mono-:
Aforementioned controlled condition is constant; more excellent scheme is: if receiving in 10min last before closing air-conditioner instruction, system detects that evaporimeter middle part temperature T 2 declines and exceedes 3 DEG C, starts defrost pattern; guarantee that defrost is clean, after finishing, close air-conditioner system.
Embodiment bis-:
Aforementioned controlled condition is constant, more excellent scheme is: if receiving in 10min last before closing air-conditioner instruction, system detects 1 DEG C of evaporimeter middle part temperature T 2 decline <, system is thought and is not produced more frosting, do not affect restarting of air-conditioner, without carrying out defrost, can directly close air-conditioner system.
Embodiment tri-:
Aforementioned controlled condition is constant, and more excellent scheme is: receiving in 10min last before closing air-conditioner instruction, had defrost process one time, system thinks that defrost is clean, does not affect restarting of air-conditioner, can directly close air-conditioner system.
By reference to the accompanying drawings the present invention is exemplarily described above; obviously specific implementation of the present invention is not subject to the restrictions described above; as long as adopted the improvement of the various unsubstantialities that method of the present invention design and technical scheme carry out; or without improving, design of the present invention and technical scheme are directly applied to other occasion, all within protection scope of the present invention.
Claims (4)
1. an air-conditioner defrosting control method, in described air-conditioner running, air-conditioner electric-control system recording occurring continuously evaporimeter middle part temperature (T2) and air-conditioner running time;
Under heating mode, air-conditioner electric-control system receives closes air-conditioner instruction;
It is characterized in that described defrosting control method is:
If receiving in 8～12min last before closing air-conditioner instruction, system detects that evaporimeter middle part temperature (T2) declines 1～8 DEG C, starts defrost pattern, after defrost finishes, closes air-conditioner system;
If receiving in 8～12min last before closing air-conditioner instruction, system detects 1 DEG C of evaporimeter middle part temperature (T2) decline <; Or, receiving in 8～12min last before closing air-conditioner instruction, there is defrost process one time, directly close air-conditioner system.
2. according to air-conditioner defrosting control method claimed in claim 1, it is characterized in that:
If receiving in 10min last before closing air-conditioner instruction, system detects that evaporimeter middle part temperature (T2) declines and exceedes 3 DEG C, starts defrost pattern, after defrost finishes, closes air-conditioner system.
3. according to air-conditioner defrosting control method claimed in claim 1, it is characterized in that:
If receiving in 10min last before closing air-conditioner instruction, system detects 1 DEG C of evaporimeter middle part temperature (T2) decline <, directly closes air-conditioner system.
4. according to air-conditioner defrosting control method claimed in claim 1, it is characterized in that:
Receiving in 10min last before closing air-conditioner instruction, there is defrost process one time; Directly close air-conditioner system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410129173.3A CN103940036A (en) | 2014-03-31 | 2014-03-31 | Method for controlling defrosting of air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410129173.3A CN103940036A (en) | 2014-03-31 | 2014-03-31 | Method for controlling defrosting of air conditioner |
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| Publication Number | Publication Date |
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| CN103940036A true CN103940036A (en) | 2014-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410129173.3A Pending CN103940036A (en) | 2014-03-31 | 2014-03-31 | Method for controlling defrosting of air conditioner |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109458708A (en) * | 2018-10-31 | 2019-03-12 | 珠海格力电器股份有限公司 | Without communication air-conditioning and its operational mode judgment method and control method |
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| JP2002174483A (en) * | 2000-12-08 | 2002-06-21 | Hoshizaki Electric Co Ltd | Refrigeration system |
| CN101504181A (en) * | 2009-03-04 | 2009-08-12 | 海信（山东）空调有限公司 | Defrosting method for air conditioner |
| CN101858637A (en) * | 2010-05-28 | 2010-10-13 | 广州松下空调器有限公司 | Air conditioner defrosting control method and application thereof |
| CN101865510A (en) * | 2010-05-28 | 2010-10-20 | 广州松下空调器有限公司 | Defrost control method for air conditioner and application thereof |
| CN102425839A (en) * | 2011-11-17 | 2012-04-25 | 美的集团有限公司 | Forced defrosting control method for air conditioner |
| CN102901182A (en) * | 2012-10-16 | 2013-01-30 | 青岛海尔空调电子有限公司 | Defrosting method and system for air conditioner |
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2014
- 2014-03-31 CN CN201410129173.3A patent/CN103940036A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002174483A (en) * | 2000-12-08 | 2002-06-21 | Hoshizaki Electric Co Ltd | Refrigeration system |
| CN101504181A (en) * | 2009-03-04 | 2009-08-12 | 海信（山东）空调有限公司 | Defrosting method for air conditioner |
| CN101858637A (en) * | 2010-05-28 | 2010-10-13 | 广州松下空调器有限公司 | Air conditioner defrosting control method and application thereof |
| CN101865510A (en) * | 2010-05-28 | 2010-10-20 | 广州松下空调器有限公司 | Defrost control method for air conditioner and application thereof |
| CN102425839A (en) * | 2011-11-17 | 2012-04-25 | 美的集团有限公司 | Forced defrosting control method for air conditioner |
| CN102901182A (en) * | 2012-10-16 | 2013-01-30 | 青岛海尔空调电子有限公司 | Defrosting method and system for air conditioner |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109458708A (en) * | 2018-10-31 | 2019-03-12 | 珠海格力电器股份有限公司 | Without communication air-conditioning and its operational mode judgment method and control method |
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Application publication date: 20140723 |
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