CN107655150A - Air-conditioner defrosting control device and method - Google Patents
Air-conditioner defrosting control device and method Download PDFInfo
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- CN107655150A CN107655150A CN201710962782.0A CN201710962782A CN107655150A CN 107655150 A CN107655150 A CN 107655150A CN 201710962782 A CN201710962782 A CN 201710962782A CN 107655150 A CN107655150 A CN 107655150A
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Abstract
The embodiments of the invention provide air-conditioner defrosting control device and method, belongs to air-conditioner defrosting control technology field.Air-conditioner defrosting control device includes：Temperature-detecting device, outdoor coil temperature is detected in real time；And processing unit, defrost is carried out to air-conditioning according to the outdoor coil temperature detected, and be adjusted come the defrost temperature conditionss to air-conditioning according to the defrost cycle during defrost and defrost time.The present invention according to defrost cycle and defrost time come the defrost temperature conditionss to air-conditioning by being adjusted, so as to realize that the dynamic adjustment defrost time to reduce the time of excessive defrost, the stability of indoor temperature is lifted while power saving, lifts Consumer's Experience.
Description
Technical field
The present invention relates to air-conditioner defrosting control technology, more particularly to air-conditioner defrosting control device and method.
Background technology
A problem being inevitably present in the heating condition of air-conditioning is defrosting problem.For traditional air-conditioning system
For system, following two Defrost modes be present：When the first Defrost mode is by fixed defrost cycle and fixed defrost
Between defrosted；Second of Defrost mode is to set outer machine coil temperature sensor, when outer machine coil temperature sensor detects
Outer machine coil temperature then enter defrost state when being less than some setting value, when outer machine coil temperature sensor detect it is outer
Machine coil temperature then exits defrost state when being higher than some setting value, and in this manner, in order to prevent special circumstances
Appearance, when the outer machine coil temperature that outer machine coil temperature sensor detects do not reach all the time into defrost status condition will
When asking, defrost state is entered after also forcing some time, likewise, to prevent the appearance of special circumstances, when outer machine coil pipe temperature
, also can compulsory withdrawal defrost shape when the outer machine coil temperature that degree sensor detects does not reach the requirement for exiting defrost state all the time
State.
However, present inventor has found during the present invention is realized, the both the above Defrost mode of prior art
Some defects all be present, the first Defrost mode has following defect：Outdoor machine of air-conditioner not yet frosting, but it is fixed because having reached
The defrost cycle and enter defrost state, that is, the not yet frosting of outer machine begins to defrost and acted, and this aspect can cause room
Temperature fluctuation is larger, and defrost on the other hand can be caused imperfect, and the energy can be caused to waste.Second of Defrost mode is than
A kind of Defrost mode is more intelligent, but environmental change can not be prejudged, waste the defects of energy by remaining.
The content of the invention
The purpose of the embodiment of the present invention is to provide air-conditioner defrosting control device and method, for solving asking for excessive defrost
Topic.
To achieve these goals, the invention provides a kind of air-conditioner defrosting control device, the equipment to include：Temperature detection
Device, outdoor coil temperature is detected in real time；And processing unit, according to the outdoor coil temperature detected to air-conditioning
Frost, and be adjusted according to the defrost cycle during defrost and defrost time come the defrost temperature conditionss to air-conditioning.
Optionally, the processing unit carries out defrost according to the outdoor coil temperature detected to air-conditioning includes：Examined
When the outdoor coil temperature of survey is less than the first coil temperature threshold value, into defrost state；And in the outdoor coil pipe used temperature detected
When degree is higher than the second coil temperature threshold value and continued for some time, defrost state is exited.
Optionally, the processing unit according to the defrost cycle during defrost and defrost time come the defrost bar to air-conditioning
Part be adjusted including：The change being all higher than in continuous multiple defrost cycles in default defrost cycle and continuous multiple defrost cycles
In the case that the white time is respectively less than the default defrost time, reduce the second coil temperature threshold value；And in continuous multiple defrosts
Cycle is respectively less than or is all higher than or equal to default equal to the defrost time in default defrost cycle and continuous multiple defrost cycles
In the case of the defrost time, increase the second coil temperature threshold value.
Optionally, after n defrost cycle, the processing unit carries out initial to the second coil temperature threshold value
Change, wherein, n is positive integer.
Optionally, the multiple defrost cycle is two defrost cycles.
Correspondingly, present invention also offers a kind of air-conditioner defrosting control method, this method to include：Detect in real time outdoor coil pipe used
Temperature；And defrost is carried out to air-conditioning according to the outdoor coil temperature detected, and according to the defrost cycle during defrost and
Defrost temperature conditionss of the defrost time to air-conditioning are adjusted.
Optionally, it is described that air-conditioning progress defrost is included according to the outdoor coil temperature detected：In the outdoor detected
When coil temperature is less than the first coil temperature threshold value, into defrost state；And in the outdoor coil temperature detected higher than the
Two coil temperature threshold values and when continuing for some time, exit defrost state.
Optionally, the defrost cycle and defrost time according to during defrost enters come the defrost temperature conditionss to air-conditioning
Row adjustment includes：During the defrost being all higher than in continuous multiple defrost cycles in default defrost cycle and continuous multiple defrost cycles
Between be respectively less than the default defrost time in the case of, the processing unit reduces the second coil temperature threshold value；And continuous
Multiple defrost cycles be respectively less than or be all higher than equal to the defrost time in default defrost cycle and continuous multiple defrost cycles or
In the case of equal to the default defrost time, the processing unit increases the second coil temperature threshold value.
Optionally, after n defrost cycle, the second coil temperature threshold value is initialized, wherein, n is just
Integer.
Optionally, the multiple defrost cycle is two defrost cycles.
Pass through above-mentioned technical proposal, the present invention by according to defrost cycle and defrost time come the defrost temperature strip to air-conditioning
Part is adjusted, so as to realize that the dynamic adjustment defrost time lifts Indoor Temperature to reduce the time of excessive defrost, while power saving
The stability of degree, lift Consumer's Experience.
The further feature and advantage of the embodiment of the present invention will be described in detail in subsequent specific embodiment part.
Brief description of the drawings
Accompanying drawing is that the embodiment of the present invention is further understood for providing, and a part for constitution instruction, with
The embodiment in face is used to explain the embodiment of the present invention together, but does not form the limitation to the embodiment of the present invention.Attached
In figure：
Fig. 1 is the block diagram of air-conditioner defrosting control device provided by the invention；
Fig. 2 is the flow chart being adjusted to outdoor coil temperature threshold value that the specific embodiment of the invention provides；And
Fig. 3 is the flow chart of air-conditioner defrosting control method provided by the 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 is the block diagram of air-conditioner defrosting control device provided by the invention, as shown in figure 1, the equipment includes temperature detection
Device 101 and processing unit 102.Wherein, temperature-detecting device 101 detects outdoor coil temperature, the basis of processing unit 102 in real time
The outdoor coil temperature that temperature-detecting device 101 is detected carries out defrost to air-conditioning, and according to the defrost cycle during defrost
It is adjusted with the defrost time come the defrost temperature conditionss to air-conditioning.
Here the defrost cycle refer to it is last exit defrost state to this time into spent by defrost state when
Between, the defrost time is this time to enter defrost state to the time this time exited spent by defrost state.Processing unit 102 can
To judge whether defrost condition meets current demand according to the length of defrost cycle and defrost time.
Here defrost temperature conditionss can include the temperature conditionss for entering defrost state and the temperature for exiting defrost state
Condition, the first coil temperature threshold value and the second coil temperature threshold value that person can be described below by increasing or reducing change
Become, in the present invention, only illustrated by taking the temperature conditionss that defrost state is exited in adjustment as an example.
Wherein need to preset two coil temperature threshold values in the system of air-conditioning in advance, i.e. the first coil temperature threshold value and the
Two coil temperature threshold values so that processing unit 102 according to this first coil temperature threshold value and the second coil temperature threshold value come really
Surely enter defrost state and exit the opportunity of defrost state, specifically, processing unit 102 is according to the outdoor coil pipe used temperature detected
Degree carries out defrost to air-conditioning to be included：When the outdoor coil temperature detected is less than the first coil temperature threshold value, into defrost shape
State；And when the outdoor coil temperature detected is higher than the second coil temperature threshold value and continues for some time, exit defrost shape
State.
For example, the outdoor coil temperature detected is represented with T3, the first coil temperature threshold value is represented with T3s1, the second coil pipe
Temperature threshold is represented with T3s2, then in T3<During T3s1, into defrost state, in T3>During T3s2, defrost state is exited.
However, if only the opportunity for determining to exit defrost state according to outdoor coil temperature, pressure often occurs
The problems such as exiting defrost state and causing energy waste or incomplete defrost, thus the present invention adjusts the second coil pipe temperature by dynamic
Threshold value is spent to improve this situation.It will be appreciated by those skilled in the art that if continuous multiple defrost cycles are long and defrost
Time is shorter, then illustrates that current system is in the good environment of a comparison or systematic comparison and need not carry out defrost, conversely,
If continuous multiple defrost cycles are shorter, the defrost time is long, illustrates that current system is in the severe ring of a comparison
Border or system need to carry out defrost.Thus, processing unit 102 is according to the defrost cycle during defrost and defrost time come to sky
The defrost temperature conditionss of tune be adjusted including：The default defrost cycle is all higher than in continuous multiple defrost cycles and this is continuous multiple
In the case that the defrost time in the defrost cycle is respectively less than the default defrost time, processing unit 102 reduces the second coil temperature threshold
Value；And in continuous multiple defrost cycles respectively less than or equal to the defrost in default defrost cycle and continuous multiple defrost cycles
Time be all higher than or equal to the default defrost time in the case of, processing unit 102 increase the second coil temperature threshold value.
For example, the defrost cycle is represented with t1, the default defrost cycle represents that the defrost time is represented with t2 with t1s, presets defrost
Time is represented with t2s, then the t1 in continuous multiple defrost cycles>T1s and t2<T2s, then reduce T3s2, however, continuous more
T1≤t1s and t2 >=t2s in the individual defrost cycle, then increase T3s2.
Wherein, decreasing value when reducing the second coil temperature threshold value can with increment value during the second coil temperature threshold value of increase
With it is identical can also be different.For example, decreasing value when reducing the second coil temperature threshold value can be 1 DEG C, increase the second coil pipe temperature
Increment value when spending threshold value can be 1 DEG C, or 2 DEG C.Certainly, this is only an example, decreasing value here and increase
Value can arbitrarily be set as needed.Generally, decreasing value or increment value are no more than 5 DEG C.
Here multiple defrost cycles can be two defrost cycles, three defrost cycles, four defrost cycles etc., this
Art personnel can be set according to the needs of actual conditions.Below using multiple defrost cycles described above as two
Illustrated exemplified by the individual defrost cycle, when continuous two defrost cycles (referred to herein as the first defrost cycle and the second defrost cycle)
In meet t1>T1s and t2<During t2s, then reduce T3s2, in the 3rd defrost cycle, still meet t1>T1s and t2<T2s, then enter
One step reduces T3s2, in the 4th defrost cycle, is unsatisfactory for t1>T1s and t2<T2s, i.e. t1≤t1s and t2 >=t2s, then do not change
Become T3s2 (because t1≤t1s and t2 >=t2s in now not continuous two defrost cycles), in the 5th defrost cycle, if
T1≤t1s and t2 >=t2s, then increase T3s2, wherein, if the t1 in the 5th defrost cycle>T1s and t2<T2s, then do not change
Become T3s2.
On the other hand, in order to prevent due to repeatedly adjustment the second coil temperature threshold value and cause the second coil temperature threshold value inclined
From too many, it may be set in by being initialized after several defrost cycles to it, that is, recover initial value, that is to say, that
After n defrost cycle, processing unit 102 initializes to the second coil temperature threshold value, wherein, n is positive integer.Here
N for example can be 20.That is after 20 defrost cycles, the second coil temperature threshold value is set as initially
Value.
The overall thought of technical scheme described above be when environmental condition changes, default defrost condition with
Change, and the method for using trial and error, if increase or after reducing a value, system there occurs larger change,
Extended meeting is adjusted afterwards, and in order to prevent complex environment from causing the value deviation after adjustment larger, several each weeks
The second coil temperature threshold value can be initialized after phase.
Fig. 2 be the specific embodiment of the invention provide the flow chart being adjusted to outdoor coil temperature threshold value, such as Fig. 2
It is shown：
Step 201, timing is carried out to defrost cycle and defrost time.
Step 202, judge whether that continuous two defrost cycles meet t1 ＞ t1s and t2<T2s, if it is satisfied, then entering step
Rapid 203, otherwise into step 207.
Step 203, T3s2 is reduced.
Step 204, judge whether that continuous two defrost cycles meet t1≤t1s and t2 >=t2s, if it is satisfied, then into
Step 205, otherwise into step 207.
Step 205, T3s2 is increased.
Step 206, into next defrost cycle.
Step 207, it is failure to actuate.
Fig. 3 is the flow chart of air-conditioner defrosting control method provided by the invention, as shown in figure 3, this method includes：
Step 301, outdoor coil temperature is detected in real time.
Step 302, defrost is carried out to air-conditioning according to the outdoor coil temperature detected.
Step 303, carried out according to the defrost cycle during defrost and defrost time come the defrost temperature conditionss to air-conditioning
Adjustment.
It should be noted that the detail and benefit of air-conditioner defrosting control method provided by the invention provide with the present invention
Air-conditioner defrosting control device it is similar, in this, it will not go into details.
The optional embodiment of the embodiment of the present invention is described in detail above in association with accompanying drawing, still, the embodiment of the present invention is simultaneously
The detail being not limited in above-mentioned embodiment, can be to of the invention real in the range of the technology design of the embodiment of the present invention
The technical scheme for applying example carries out a variety of simple variants, and 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 combinations of possible ways no longer separately illustrate.
The present invention proposes enters defrost state according to the actual time expended in defrost cycle to adjust outdoor coil temperature
Threshold value, so as to prevent that defrost is not caused by energy waste caused by being forced into defrost state and compulsory withdrawal defrost state
The problem of clean, the stability of indoor temperature is improved while power saving, improves Consumer's Experience.
In addition, it 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 (10)
1. a kind of air-conditioner defrosting control device, it is characterised in that the equipment includes：
Temperature-detecting device, outdoor coil temperature is detected in real time；And
Processing unit, defrost is carried out to air-conditioning according to the outdoor coil temperature detected, and according to the defrost week during defrost
Phase and defrost time are adjusted come the defrost temperature conditionss to air-conditioning.
2. equipment according to claim 1, it is characterised in that the processing unit is according to the outdoor coil temperature detected
Carrying out defrost to air-conditioning includes：
When the outdoor coil temperature detected is less than the first coil temperature threshold value, into defrost state；And
When the outdoor coil temperature detected is higher than the second coil temperature threshold value and continues for some time, defrost state is exited.
3. equipment according to claim 2, it is characterised in that the processing unit is according to the defrost cycle during defrost
With the defrost time come the defrost temperature conditionss to air-conditioning be adjusted including：
The defrost time being all higher than in continuous multiple defrost cycles in default defrost cycle and continuous multiple defrost cycles is small
In the case of the default defrost time, reduce the second coil temperature threshold value；And
It is respectively less than in continuous multiple defrost cycles or during equal to defrost in default defrost cycle and continuous multiple defrost cycles
Between be all higher than or equal to the default defrost time in the case of, increase the second coil temperature threshold value.
4. equipment according to claim 3, it is characterised in that after n defrost cycle, the processing unit is to described
Second coil temperature threshold value is initialized, wherein, n is positive integer.
5. equipment according to claim 3, it is characterised in that the multiple defrost cycle is two defrost cycles.
6. a kind of air-conditioner defrosting control method, it is characterised in that this method includes：
Detection outdoor coil temperature in real time；And
Defrost is carried out to air-conditioning according to the outdoor coil temperature detected, and during according to the defrost cycle during defrost and defrost
Between be adjusted come the defrost temperature conditionss to air-conditioning.
7. according to the method for claim 6, it is characterised in that described that air-conditioning is entered according to the outdoor coil temperature detected
Row defrost includes：
When the outdoor coil temperature detected is less than the first coil temperature threshold value, into defrost state；And
When the outdoor coil temperature detected is higher than the second coil temperature threshold value and continues for some time, defrost state is exited.
8. according to the method for claim 7, it is characterised in that during defrost cycle and defrost according to during defrost
Between come the defrost temperature conditionss to air-conditioning be adjusted including：
The defrost time being all higher than in continuous multiple defrost cycles in default defrost cycle and continuous multiple defrost cycles is small
In the case of the default defrost time, the processing unit reduces the second coil temperature threshold value；And
It is respectively less than in continuous multiple defrost cycles or during equal to defrost in default defrost cycle and continuous multiple defrost cycles
Between be all higher than or equal to the default defrost time in the case of, the processing unit increases the second coil temperature threshold value.
9. according to the method for claim 8, it is characterised in that after n defrost cycle, to second coil temperature
Threshold value is initialized, wherein, n is positive integer.
10. according to the method for claim 8, it is characterised in that the multiple defrost cycle is two defrost cycles.
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| CN112178992A (en) * | 2020-09-15 | 2021-01-05 | 珠海格力电器股份有限公司 | Defrosting control method and device and heating unit |
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| CN111895598A (en) * | 2019-05-06 | 2020-11-06 | 青岛海尔空调器有限总公司 | Control method and device for defrosting of air conditioner and air conditioner |
| CN111895599A (en) * | 2019-05-06 | 2020-11-06 | 青岛海尔空调器有限总公司 | Control method and device for defrosting of air conditioner and air conditioner |
| CN111895595A (en) * | 2019-05-06 | 2020-11-06 | 青岛海尔空调器有限总公司 | Control method and device for defrosting of air conditioner and air conditioner |
| CN111895597B (en) * | 2019-05-06 | 2022-07-19 | 武汉海尔电器股份有限公司 | Control method and device for defrosting of air conditioner and air conditioner |
| CN111895592B (en) * | 2019-05-06 | 2022-06-14 | 青岛海尔空调器有限总公司 | Control method and device for defrosting of air conditioner and air conditioner |
| CN111895591B (en) * | 2019-05-06 | 2021-12-21 | 重庆海尔空调器有限公司 | Control method and device for defrosting of air conditioner and air conditioner |
| CN111895602B (en) * | 2019-05-06 | 2021-12-21 | 重庆海尔空调器有限公司 | Control method and device for defrosting of air conditioner and air conditioner |
| CN111895596B (en) * | 2019-05-06 | 2022-06-10 | 青岛海尔空调器有限总公司 | Control method and device for defrosting of air conditioner and air conditioner |
| CN111895598B (en) * | 2019-05-06 | 2022-04-19 | 青岛海尔空调器有限总公司 | Control method and device for defrosting of air conditioner and air conditioner |
| CN111895597A (en) * | 2019-05-06 | 2020-11-06 | 青岛海尔空调器有限总公司 | Control method and device for defrosting of air conditioner and air conditioner |
| CN110701728A (en) * | 2019-08-27 | 2020-01-17 | 珠海格力电器股份有限公司 | Defrosting control method based on room cooling, computer readable storage medium and air conditioner |
| CN110848883A (en) * | 2019-11-27 | 2020-02-28 | 无锡同方人工环境有限公司 | Control method, control device and control system for defrosting of air conditioner |
| CN112178992B (en) * | 2020-09-15 | 2021-09-21 | 珠海格力电器股份有限公司 | Defrosting control method and device and heating unit |
| CN112178992A (en) * | 2020-09-15 | 2021-01-05 | 珠海格力电器股份有限公司 | Defrosting control method and device and heating unit |
| CN115307273A (en) * | 2022-08-16 | 2022-11-08 | 珠海格力电器股份有限公司 | Defrosting control method and device based on fuzzy algorithm, air conditioner and storage medium |
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