CN109751714A - air conditioner defrosting control method and air conditioner - Google Patents
air conditioner defrosting control method and air conditioner Download PDFInfo
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- CN109751714A CN109751714A CN201910106478.5A CN201910106478A CN109751714A CN 109751714 A CN109751714 A CN 109751714A CN 201910106478 A CN201910106478 A CN 201910106478A CN 109751714 A CN109751714 A CN 109751714A
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- air conditioner
- defrost
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- 238000000034 method Methods 0.000 title claims abstract description 35
- 238000010257 thawing Methods 0.000 title claims abstract description 32
- 238000010438 heat treatment Methods 0.000 claims abstract description 28
- 238000001514 detection method Methods 0.000 claims abstract description 27
- 230000005764 inhibitory process Effects 0.000 claims 1
- 238000004378 air conditioning Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Air Conditioning Control Device (AREA)
Abstract
The invention discloses air conditioner defrosting control method and air conditioner, air conditioner defrosting control method includes: whether detection air conditioner is out of service during having white state and/or defrost, if then forcing defrost in heating booting next time.The present invention has many advantages, such as to promote the average heating capacity in air conditioner defrost period, shortens the defrost time, improves indoor comfort.
Description
Technical field
The present invention relates to air conditioner technical field more particularly to air conditioner defrosting control methods and air conditioner.
Background technique
When user is heated using air conditioner in winter, it will usually which following situations occur: 1, outdoor unit has tied small part
Frost does not enter defrosting state but without the time conditions or temperature condition for reaching defrosting；2, air conditioner defrosting but frost
Layer is not also except clean.In both cases, if user's remote-control closedown or air conditioner itself failure are shut down at this time, in room
It then will appear frost layer on outdoor unit or frost in the outer lower situation of circumstance temperature and the phenomenon that the mixture of water freezes, under air conditioner
When secondary heating starts, last time remaining ice sheet can induce the quick frosting of air conditioner and even freeze, and reduce the heating of air-conditioning system
It can and will lead to air conditioner and be just switched on and just enter defrost again soon, and room temperature is also not up to set temperature at this time, causes
Room comfort is poor, influences the operating of air conditioner normally and efficiently.
Having a large amount of technical solutions in the prior art can solve defrost unfinished defect when air conditioner shuts down, for example,
The patent of invention of Patent No. CN101871684A, CN102425839B, CN104110766B, CN105157290B, above-mentioned hair
Although bright patent is disclosed judges whether outdoor unit has frost to carry out pressure defrost in air conditioner shutdown, if but in defrost
It breaking down and shuts down in journey, air conditioner then cannot be introduced into pressure defrost, if frost layer is not changed during air conditioner is shut down, air conditioner
There has been mixture of ice and water attachment on outdoor heat exchanger surface when heating booting next time, and air conditioner, which continues heating operation, can aggravate frost
Layer reduces heating capacity during whole service, and the defrost time can be longer, and indoor comfort is poor.
Therefore, how to design it is a kind of improve indoor comfort air conditioner defrosting control method and air conditioner be industry urgently
The technical issues of solution.
Summary of the invention
In order to force the defect of defrost after air conditioner cancel closedown during solving defrost in the prior art, the present invention is mentioned
Air conditioner defrosting control method and air conditioner out.
The technical solution adopted by the present invention is that design air conditioner defrosting control method, comprising: whether detection air conditioner is having
It is out of service during white state and/or defrost, if then forcing defrost in heating booting next time.
Preferably, if air conditioner is out of service after frostless state and/or defrost, according to opening when being switched on next time
Machine instruction operation.
Preferably, air conditioner mode out of service is that air conditioner receives instruction shutdown or air conditioner fault is shut down.
Preferably, before whether detection air conditioner is out of service during having white state and/or defrost, air conditioner is first detected
Whether in heating operation, if whether detect air conditioner again out of service during having white state and/or defrost.
Preferably, if air conditioner be it is out of service during having white state and/or defrost, next time be switched on before,
First judge whether to meet according to the detection parameters of air conditioner period out of service and force defrost condition, is made if meeting next time
Defrost is forced when heat booting.
Preferably, it is run when being switched on next time according to power-on instruction if being unsatisfactory for forcing defrost condition.
Preferably, if meet force defrost condition if first detect be switched on next time whether be heating booting, if being switched on
When force defrost, otherwise be switched on when run according to power-on instruction.
In one embodiment, detection parameters include: the time out of service of air conditioner；If the time out of service is less than first
Preset time is then judged as that satisfaction forces defrost condition.
Preferably, the time out of service be air conditioner it is out of service to next time booting between time, first it is default when
Between be 2 hours.
Preferably, detection parameters further include: outdoor unit of the air conditioner local environment temperature, outdoor unit place environment temperature are high
In the duration of preset temperature.If the time out of service is not less than the first preset time and duration default greater than second
Between, then it is judged as and is unsatisfactory for forcing defrost condition；If the time out of service is not less than the first preset time and the duration is little
In the second preset time, then it is judged as that satisfaction forces defrost condition.
Preferably, the duration is that the air conditioner outdoor unit local environment temperature out of service between be switched on next time is higher than
The accumulated time of preset temperature, the value range of preset temperature are 0 DEG C to 2 DEG C, and the second preset time is 1 hour.
In another embodiment, detection parameters include: the outer machine local environment temperature of air conditioner.If outer machine local environment temperature
Degree is not higher than preset temperature in air conditioner period out of service always, then is judged as that satisfaction forces defrost condition；If locating for outer machine
There is the case where being higher than preset temperature in air conditioner period out of service in environment temperature, then is judged as and is unsatisfactory for forcing defrost item
Part.
The invention also provides the air conditioners using above-mentioned air conditioner defrosting control method.
Compared with prior art, though in the present invention air conditioner during having white state and/or defrost by remote-control closedown or
Disorderly closedown can guarantee that defrost can be forced after heating booting next time, so that air conditioner is rapidly entered normal operating conditions, prolong
The long defrost period being switched on next time promotes the average heating capacity in defrost period and shortens the defrost time, improves indoor comfortable
Property.
Detailed description of the invention
Below with reference to embodiment and attached drawing, the present invention is described in detail, in which:
Fig. 1 is the control flow schematic diagram of first embodiment in the present invention；
Fig. 2 is the control flow schematic diagram of second embodiment in the present invention.
Specific embodiment
Air conditioner defrosting control method proposed by the present invention, comprising: whether detection air conditioner is having white state and/or defrost
Period is out of service, then forces defrost heating operation again in heating booting next time, to prevent band after air conditioner heat-production booting
Frost operation.In a preferred embodiment, if air conditioner be it is out of service during having white state and/or defrost, made next time
Before heat booting, first judges whether to meet according to the detection parameters of air conditioner period out of service and force defrost condition, if meeting
Force defrost condition then next time heating booting when force defrost, if be unsatisfactory for force defrost condition if next time be switched on when by
Run according to power-on instruction, when preventing air conditioner heat-production to be switched on outside machine is frostless still executes pressure defrost, defrosting control is more acurrate to be had
Effect, energy efficiency of air conditioner is higher, and usage experience is more preferable.
Detect air conditioner whether during having white state and/or defrost this process out of service is specifically air-conditioning
Device detects during whether it be in white state and/or defrost when out of service after out of service.Force this of defrost
Process is specifically, meets after forcing defrost condition, first detects whether be switched on next time be heating booting, if heating booting
Defrost is forced when being then switched on, otherwise the heating operation again after frost layerization is complete is run according to power-on instruction.
Air conditioner mode out of service is that air conditioner receives instruction shutdown or air conditioner fault is shut down, and through the invention may be used
It, can also be in the case where meeting and forcing defrost condition even if guaranteeing that air conditioner is having frost or defrost stage hang-up occur
Defrost is forced in booting next time, after quickly eliminating frost layer and the ice sheet on outdoor unit pipeline, air conditioner can enter normal system
Warm status, indoor comfort are obviously improved, and frostless on heating initial stage outdoor unit pipeline, can effectively extend defrost week
The average heating capacity of phase, defrost period are obviously improved, and the defrost time is obviously shortened.
For the detection deterministic process of optimal control method, if air conditioner stops after frostless state and/or defrost
Operation is not needed then to judge whether the detection parameters of air conditioner period out of service meet pressure defrost condition, is switched on next time
When directly run according to power-on instruction.
In order to advanced optimize the detection deterministic process of control method, whether detection air conditioner is having white state and/or change
Between frost season it is out of service before, first detect air conditioner whether in heating operation, if detecting whether air conditioner is having white state again
And/or it is out of service during defrost.
The present invention gives two possible embodiments, described further below.
As shown in Figure 1, in the first embodiment, detection parameters include: the time t out of service of air conditionerStop, air conditioner
Outdoor unit local environment temperature TOutside, outdoor unit place environment temperature TOutsideHigher than preset temperature T1Duration tIt holds。
Work as tStop< t1When, it is judged as that satisfaction forces defrost condition；Work as tStop≥t1And tIt holds> t2When, it is judged as and is unsatisfactory for forcing
Defrost condition；Work as tStop≥t1And tIt holds≤t2When, it is judged as that satisfaction forces defrost condition.
Wherein, tStopFor the air conditioner time out of service between booting next time, tIt holdsIt is arrived down for air conditioner is out of service
T between primary bootingOutsideHigher than T1Accumulated time, t1General value is 2 hours, T1Value range be generally 0 DEG C to 2 DEG C,
t2Generally 1 hour.
First embodiment specifically includes the following steps: step 1.0, detection air conditioner whether in heating operation, if then empty
It adjusts device to carry out defrost in outdoor unit frosting and carries out step 1.1 simultaneously, otherwise run according to present instruction；
Whether step 1.1, to judge air conditioner out of service during having white state and/or defrost, if then carrying out 1.2, otherwise
It is run according to present instruction；
Step 1.2, the time out of service for detecting air conditioner, if tStop≥t1Step 1.3 is then carried out, if tStop< t1Then carry out step
1.4；
Step 1.3, detection TOutsideAnd tIt holdsIf tIt holds> t2It is then run according to power-on instruction next time, if tIt holds≤t2, then step is carried out
1.4；
Whether it is heating booting that step 1.4, detection are switched on next time, if forcing defrost when being then switched on, if otherwise according to next
Secondary power-on instruction operation.
As shown in Fig. 2, in a second embodiment, detection parameters include: outdoor unit of the air conditioner local environment temperature TOutside；When
TOutsideIt is not higher than T always in air conditioner period out of service1When, it is judged as that satisfaction forces defrost condition；Work as TOutsideStop in air conditioner
Occur being higher than T during operation1The case where when, be judged as be unsatisfactory for force defrost condition.
Second embodiment is specifically includes the following steps: whether step 2.0, detection air conditioner heat booting, if then air-conditioning
Device carries out defrost in outdoor unit frosting and carries out step 2.1 simultaneously, otherwise runs according to present instruction；
Whether step 2.1, to judge air conditioner out of service during having white state and/or defrost, if then carrying out step 2.2,
Otherwise it is run according to present instruction；
Step 2.2, detection TOutsideIf TOutsideIt is not higher than T always in air conditioner period out of service1, then step 2.3 is carried out, if TOutside?
Air conditioner period out of service occurs being higher than T1The case where, then it is run according to power-on instruction next time；
Whether it is heating booting that step 2.3, detection are switched on next time, if forcing defrost when being then switched on, if otherwise according to next
Secondary power-on instruction operation.
The invention also provides the air conditioners using above-mentioned air conditioner defrosting control method.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (17)
1. a kind of air conditioner defrosting control method, characterized by comprising: whether detection air conditioner is having white state and/or defrost
Period is out of service, if then forcing defrost in heating booting next time.
2. air conditioner defrosting control method as described in claim 1, which is characterized in that if air conditioner in frostless state and/or
It is out of service after defrost, then it is run when being switched on next time according to power-on instruction.
3. air conditioner defrosting control method as described in claim 1, which is characterized in that air conditioner mode out of service
Instruction shutdown is received for air conditioner or air conditioner fault is shut down.
4. air conditioner defrosting control method as described in claim 1, which is characterized in that if air conditioner be have white state and/
Or it is out of service during defrost, then before be switched on next time, first judged according to the detection parameters of air conditioner period out of service
Whether satisfaction forces defrost condition, forces defrost in heating booting next time if meeting.
5. air conditioner defrosting control method as claimed in claim 4, which is characterized in that if be unsatisfactory for force defrost condition if
It is run when being switched on next time according to power-on instruction.
6. air conditioner defrosting control method as claimed in claim 4, which is characterized in that first examined if meeting pressure defrost condition
Whether it is heating booting that survey is switched on next time, if forcing defrost when being then switched on, is run when being otherwise switched on according to power-on instruction.
7. such as the described in any item air conditioner defrosting control methods of claim 4 to 6, which is characterized in that the detection parameters packet
It includes: the time out of service of the air conditioner；If the time out of service less than the first preset time, is judged as that satisfaction is strong
Inhibition and generation ice-lolly part.
8. air conditioner defrosting control method as claimed in claim 7, which is characterized in that the time out of service is the sky
Adjust device out of service to the time between booting next time.
9. air conditioner defrosting control method as claimed in claim 7, which is characterized in that first preset time is 2 hours.
10. air conditioner defrosting control method as claimed in claim 7, which is characterized in that the detection parameters further include: described
Outdoor unit of the air conditioner local environment temperature, outdoor unit place environment temperature are higher than the duration of preset temperature；If institute
The time out of service is stated not less than the first preset time and the duration is greater than the second preset time, then is judged as and is unsatisfactory for
Force defrost condition.
11. air conditioner defrosting control method as claimed in claim 10, which is characterized in that if the time out of service is not small
In the first preset time and the duration is no more than the second preset time, then is judged as that satisfaction forces defrost condition.
12. air conditioner defrosting control method as claimed in claim 10, which is characterized in that the duration stops for air conditioner
Only run to the accumulated time that outdoor unit local environment temperature between booting next time is higher than preset temperature.
13. air conditioner defrosting control method as claimed in claim 10, which is characterized in that the value range of the preset temperature
It is 0 DEG C to 2 DEG C, second preset time is 1 hour.
14. such as the described in any item air conditioner defrosting control methods of claim 4 to 6, which is characterized in that the detection parameters packet
It includes: the outer machine local environment temperature of the air conditioner；If the outer machine local environment temperature is in the air conditioner phase out of service
Between always be not higher than preset temperature, then be judged as satisfaction force defrost condition.
15. air conditioner defrosting control method as claimed in claim 14, which is characterized in that if the outer machine local environment temperature
There is the case where being higher than preset temperature in air conditioner period out of service, is then judged as and is unsatisfactory for forcing defrost condition.
16. air conditioner defrosting control method as described in claim 1, which is characterized in that whether detection air conditioner is having white shape
During state and/or defrost it is out of service before, first detect air conditioner whether in heating operation, if detect again air conditioner whether
Have out of service during white state and/or defrost.
17. a kind of air conditioner, which is characterized in that use the described in any item air conditioner defrosting control methods of claim 1 to 16.
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| CN201910106478.5A CN109751714B (en) | 2019-02-02 | 2019-02-02 | Air conditioner defrosting control method and air conditioner |
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| CN201910106478.5A CN109751714B (en) | 2019-02-02 | 2019-02-02 | Air conditioner defrosting control method and air conditioner |
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| CN109751714A true CN109751714A (en) | 2019-05-14 |
| CN109751714B CN109751714B (en) | 2020-10-20 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110094833A (en) * | 2019-05-16 | 2019-08-06 | 滁州星联电子有限公司 | A kind of booting Defrost method of convertible frequency air-conditioner |
| CN112539520A (en) * | 2020-12-17 | 2021-03-23 | 珠海格力电器股份有限公司 | Defrosting control method and device and multi-split air conditioner |
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| JPH1038421A (en) * | 1996-07-19 | 1998-02-13 | Mitsubishi Heavy Ind Ltd | Refrigerating cycle |
| CN101871684A (en) * | 2010-05-31 | 2010-10-27 | 广州松下空调器有限公司 | Defrosting control method of air conditioner |
| CN106369759A (en) * | 2016-09-29 | 2017-02-01 | 广东美的制冷设备有限公司 | Defrosting control method, controller and air conditioner |
| CN107246701A (en) * | 2016-09-13 | 2017-10-13 | 奥克斯空调股份有限公司 | A kind of air conditioner chamber's external heat exchanger defrosting or snow removing control method |
-
2019
- 2019-02-02 CN CN201910106478.5A patent/CN109751714B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1038421A (en) * | 1996-07-19 | 1998-02-13 | Mitsubishi Heavy Ind Ltd | Refrigerating cycle |
| CN101871684A (en) * | 2010-05-31 | 2010-10-27 | 广州松下空调器有限公司 | Defrosting control method of air conditioner |
| CN107246701A (en) * | 2016-09-13 | 2017-10-13 | 奥克斯空调股份有限公司 | A kind of air conditioner chamber's external heat exchanger defrosting or snow removing control method |
| CN106369759A (en) * | 2016-09-29 | 2017-02-01 | 广东美的制冷设备有限公司 | Defrosting control method, controller and air conditioner |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110094833A (en) * | 2019-05-16 | 2019-08-06 | 滁州星联电子有限公司 | A kind of booting Defrost method of convertible frequency air-conditioner |
| CN112539520A (en) * | 2020-12-17 | 2021-03-23 | 珠海格力电器股份有限公司 | Defrosting control method and device and multi-split air conditioner |
| CN112539520B (en) * | 2020-12-17 | 2021-10-22 | 珠海格力电器股份有限公司 | Defrosting control method and device and multi-split air conditioner |
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| CN109751714B (en) | 2020-10-20 |
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