CN108644971A - Control method and device for defrosting of air conditioner, storage medium and processor - Google Patents
Control method and device for defrosting of air conditioner, storage medium and processor Download PDFInfo
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- CN108644971A CN108644971A CN201810236882.XA CN201810236882A CN108644971A CN 108644971 A CN108644971 A CN 108644971A CN 201810236882 A CN201810236882 A CN 201810236882A CN 108644971 A CN108644971 A CN 108644971A
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- 238000000034 method Methods 0.000 title claims abstract description 53
- 238000010257 thawing Methods 0.000 title abstract description 12
- 238000010438 heat treatment Methods 0.000 claims abstract description 39
- 238000004378 air conditioning Methods 0.000 claims description 229
- 238000005516 engineering process Methods 0.000 description 7
- 230000006870 function Effects 0.000 description 6
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/41—Defrosting; Preventing freezing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/88—Electrical aspects, e.g. circuits
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a control method and device for defrosting of an air conditioner, a storage medium and a processor. Wherein, the method comprises the following steps: determining that the air conditioner is in any one of the following states: the method comprises the following steps that the accumulated running time of a compressor of the air conditioner reaches a first time length after the air conditioner enters a heating mode, and the duration time of the air conditioner in the current high-temperature protection state reaches a second time length; the accumulated running time of the compressor after the air conditioner enters the heating mode reaches a first time length, and the time length of the air conditioner exiting the current high-temperature protection state reaches a third time length; and controlling the air conditioner to defrost. The invention solves the technical problem that defrosting can not be executed under the condition that defrosting is needed due to the defrosting control method in the related art.
Description
Technical field
The present invention relates to airconditioning control field, the control method in particular to a kind of air-conditioning defrost and device, storage
Medium and processor.
Background technology
In the case where air-conditioning is in heating mode, evaporator surface temperature can reach subzero, lead to evaporator table
Face frosting, and thick frost layer can lead to air constricted flow, influence the heat-production functions of air-conditioning, therefore, air-conditioning is usually all arranged
There is defrost pattern, makes frost melts to restore the heat-production functions of air-conditioning.
Current air-conditioning in order to judge whether to need to enter the mode that defrosting mode generally use detects outdoor unit tube temperature,
Detect outdoor unit tube temperature be in it is subzero in the case of control air-conditioning enter defrosting, still, many fixed frequency air conditioners are because of cost reason
Non-outdoor unit side temperature sensing package can not judge frosting situation by way of incuding outside tube temperature, and during air conditioner high temperature-proof
It can not detect whether to enter defrost by outer tube temperature merely, because existing universal air conditioner logic complete machine enters high temperature-proof guarantor
Shield, outdoor fan can be out of service, and outer tube temperature can be reduced quickly in the case of heating, and even lower than 0 DEG C, system is easily missed
Defrost, the unpredictable problem such as frequent defrost.In addition, in the winter of northern area, user is usually using fixed frequency air conditioner system
Heat, and interior carries out heat compensation there are extra heat source (such as stove, heating etc.), indoor environment temperature changes small, air-conditioning
It is chronically inside higher load condition, system can not judge to need to defrost in the case of causing outdoor unit frosting very thick,
Influence system reliability.Alternatively, it is smaller in interior lateral area, can also exist in the case that air-conditioning type selecting is larger and need to defrost
Situation but cannot be introduced into the problem of defrost.
Can cause for defrosting control method in the related technology but can not execution in the case where being defrosted
The technical problem of frost, currently no effective solution has been proposed.
Invention content
An embodiment of the present invention provides a kind of control method and device of air-conditioning defrost, storage medium and processors, so that
Few defrosting control method solved in the related technology can lead to the skill that defrost can not be but executed in the case where being defrosted
Art problem.
One side according to the ... of the embodiment of the present invention, provides a kind of control method of air-conditioning defrost, and this method includes：Really
Determine air-conditioning and is in any one following state：Accumulated running time of the compressor of air-conditioning after air-conditioning enters heating mode reaches
The duration that this high temperature-proof guard mode is in the first duration and air-conditioning reaches the second duration；Compressor is in air-conditioning
Reach the first duration into the accumulated running time after heating mode and air-conditioning exit this high temperature-proof guard mode when
Length reaches third duration；It controls air-conditioning and executes defrost.
Further, before determining that air-conditioning is in any one state, this method further includes：Determine that air-conditioning enters heating
Pattern；It exits high temperature-proof guard mode every time to air-conditioning and carries out timing to the duration for entering high temperature-proof guard mode next time, and
According to the most length update in short-term setting third duration currently got.
Further, it is determined that the duration that air-conditioning exits this high temperature-proof guard mode reaches third duration and includes：It determines
Air-conditioning exits this high temperature-proof guard mode, and starts timing；Determine that current timing duration reaches third duration.
Further, it is determined that the high temperature-proof guard mode that air-conditioning exits this includes：Determine the tube temperature of the indoor unit of air-conditioning
Less than the first temperature；Control air-conditioning exits this high temperature-proof guard mode, determines that air-conditioning enters this high temperature-proof protection shape
State includes：Determine that the tube temperature of indoor unit is higher than second temperature, wherein second temperature is higher than the first temperature；Control air-conditioning enters this
Secondary high temperature-proof guard mode.
Further, control air-conditioning exits this high temperature-proof guard mode and includes：The outer wind turbine for controlling air-conditioning starts；Control
Air-conditioning processed includes into this high temperature-proof guard mode：The outer wind turbine of control is out of service.
Further, it is determined that the duration that air-conditioning is in this high temperature-proof guard mode reaches the second duration and includes：
It determines that air-conditioning enters this high temperature-proof guard mode, and starts timing；Determine that current timing duration reaches the second duration.
Further, controlling air-conditioning execution defrost includes：Determine that the outdoor unit tube temperature within the first period is less than third temperature
Degree, wherein the first period was air-conditioning in the preset time range for entering this high temperature-proof guard mode；Control air-conditioning execution
Frost.
Another aspect according to the ... of the embodiment of the present invention, additionally provides a kind of control device of air-conditioning defrost, which includes：
First determination unit, for determining that air-conditioning is in any one following state：The compressor of air-conditioning enters heating mode in air-conditioning
Accumulated running time later reaches the first duration and air-conditioning is in the duration of this high temperature-proof guard mode and reaches
Two durations；Accumulated running time of the compressor after air-conditioning enters heating mode reaches the first duration and air-conditioning exits this
The duration of high temperature-proof guard mode reach third duration；Control unit executes defrost for controlling air-conditioning.
Another aspect according to the ... of the embodiment of the present invention additionally provides a kind of storage medium, which includes storage
Program, wherein equipment executes the control method of the air-conditioning defrost of the present invention where controlling storage medium when program is run.
Another aspect according to the ... of the embodiment of the present invention additionally provides a kind of processor, which is used to run program,
In, the control method of the air-conditioning defrost of the present invention is executed when program is run.
In embodiments of the present invention, by determining that air-conditioning is in any one following state：The compressor of air-conditioning is in air-conditioning
Reach the first duration into the accumulated running time after heating mode and air-conditioning is in holding for this high temperature-proof guard mode
Continuous duration reaches the second duration；Accumulated running time of the compressor after air-conditioning enters heating mode reach the first duration and
The duration that air-conditioning exits this high temperature-proof guard mode reaches third duration；It controls air-conditioning and executes defrost, solve related skill
Defrosting control method in art can lead to the technical issues of defrost can not be but executed in the case where being defrosted, Jin Ershi
Frosting situation can accurately be judged and execute the technique effect of defrost by having showed.
Description of the drawings
Attached drawing described herein is used to provide further understanding of the present invention, and is constituted part of this application, this hair
Bright illustrative embodiments and their description are not constituted improper limitations of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 is a kind of flow chart of the control method of optional air-conditioning defrost according to the ... of the embodiment of the present invention；
Fig. 2 is a kind of schematic diagram of optional air-conditioning high temperature-proof guard method；
Fig. 3 is the flow chart of the control method of another optional air-conditioning defrost according to the ... of the embodiment of the present invention；
Fig. 4 is a kind of schematic diagram of the control device of optional air-conditioning defrost according to the ... of the embodiment of the present invention.
Specific implementation mode
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
The every other embodiment that member is obtained without making creative work should all belong to the model that the present invention protects
It encloses.
It should be noted that term " first " in description and claims of this specification and above-mentioned attached drawing, "
Two " etc. be for distinguishing similar object, without being used to describe specific sequence or precedence.It should be appreciated that using in this way
Data can be interchanged in the appropriate case, so as to the embodiment of the present invention described herein can in addition to illustrating herein or
Sequence other than those of description is implemented.In addition, term " comprising " and " having " and their any deformation, it is intended that cover
It includes to be not necessarily limited to for example, containing the process of series of steps or unit, method, system, product or equipment to cover non-exclusive
Those of clearly list step or unit, but may include not listing clearly or for these processes, method, product
Or the other steps or unit that equipment is intrinsic.
This application provides a kind of embodiments of the control method of air-conditioning defrost.
Fig. 1 is a kind of flow chart of the control method of optional air-conditioning defrost according to the ... of the embodiment of the present invention, such as Fig. 1 institutes
Show, this method comprises the following steps：
Step S101 determines that air-conditioning is in any one following state：The first state, the compressor of air-conditioning air-conditioning into
Enter that the accumulated running time after heating mode reaches the first duration and air-conditioning is in continuing for this high temperature-proof guard mode
Duration reaches the second duration；Second of state, accumulated running time of the compressor after air-conditioning enters heating mode reach
The duration that one duration and air-conditioning exit this high temperature-proof guard mode reaches third duration；
Step S102, in the case where determining that air-conditioning is in any one of the above state, control air-conditioning executes defrost.
In the embodiment, air-conditioning when in heating mode, may cause indoor unit tube temperature (also referred to as inner tube temperature, or
Inside tube temperature, wherein inner tube is evaporator coil in the case where air-conditioning is in heating mode) larger situation, in order to prevent to air-conditioning
Hardware damages, and can control air-conditioning and enter high temperature-proof guard mode, when air-conditioning is in high temperature-proof guard mode, outside air-conditioning
Wind turbine is out of service.Specifically, air-conditioning is larger (for example, reaching at or above 54 DEG C) in the tube temperature for the indoor unit for detecting air-conditioning
When, into high temperature-proof guard mode, the outer wind turbine for controlling air-conditioning is out of service, tube temperature of the air-conditioning in the indoor unit for detecting air-conditioning
When smaller (for example, at or below 48 DEG C), high temperature-proof guard mode is exited, controls the outer wind turbine restarting of air-conditioning.
The principle of control method for the air-conditioning defrost that the embodiment provides is, by air-conditioning enter high temperature-proof guard mode and
Outer machine downtime judges that outer machine frosting situation, judgement enter defrost, or by entering and exiting anti-height on the inside of air-conditioning system
The time difference of warm guard mode judges that the situation of change of system heating capacity, the outer machine frosting of indirect acknowledgment are solved in inside
Defrost problem is cannot be introduced into the case that environment temperature is high, outside environment temperature is low, ensures system reliability service.
Air-conditioning illustrates that air-conditioning has been completed one in the case where the cumulative time in heating mode being more than certain time length
Fixed heat exchange；But in the case where completing certain heat exchange, if air-conditioning enters high temperature-proof guard mode, illustrate air conditioner load compared with
Greatly, inner tube temperature is high, and if air-conditioning is in the overlong time of high temperature-proof guard mode, illustrates the heating capacity of air-conditioning obviously not
Foot, needs defrost, if air-conditioning from high temperature-proof guard mode is exited to the overlong time for entering high temperature-proof guard mode next time,
Illustrate that the heating capacity of air-conditioning is insufficient, needs defrost.
The method that the embodiment provides is in the case where determining that air-conditioning is in one of above two state, you can to control sky
It adjusts and executes defrost, the process for being in one of above two state to determining air-conditioning separately below is illustrated：
(1) determine that air-conditioning is in the first state：After air-conditioning is set at heating mode, start to air-conditioning pressure
The run time of contracting machine carries out accumulative timing；Start timing in the case where air-conditioning enters this high temperature-proof guard mode；
Before air-conditioning exits this high temperature-proof guard mode, determines while meeting following two conditions：A, compressor enters in air-conditioning
Accumulated running time after heating mode reaches (or being more than) first duration, and b, air-conditioning maintain this high temperature-proof guard mode
Duration reaches (or being more than) second duration, it is determined that air-conditioning is in the first state.
(2) determine that air-conditioning is in second of state：After air-conditioning is set at heating mode, start to air-conditioning pressure
The run time of contracting machine carries out accumulative timing；Start timing in the case where air-conditioning exits this high temperature-proof guard mode；
If before air-conditioning enters high temperature-proof guard mode next time, determines while meeting following two conditions：A, compressor is determined
Accumulated running time after air-conditioning enters heating mode reaches (or being more than) first duration, and b, air-conditioning exit this anti-height
The duration of warm guard mode reaches third duration, it is determined that air-conditioning is in second of state.
Optionally, determine that the step of air-conditioning exits this high temperature-proof guard mode may include：Determine the interior of air-conditioning
The tube temperature of machine is less than the first temperature；Control air-conditioning exits this high temperature-proof guard mode, optionally, high temperature-proof is exited in air-conditioning
In the case of guard mode, controls outer wind turbine and start；Determine that the step of air-conditioning enters this high temperature-proof guard mode can wrap
It includes：Determine that the tube temperature of indoor unit is higher than second temperature, wherein second temperature is higher than the first temperature；It controls air-conditioning and enters this
High temperature-proof guard mode, optionally, in the case where air-conditioning enters high temperature-proof guard mode, the outer wind turbine for controlling air-conditioning stops fortune
Row.
For the first state, determine that air-conditioning is in the duration of this high temperature-proof guard mode and reaches the second duration
A kind of optional embodiment include：It determines that air-conditioning enters this high temperature-proof guard mode, and starts timing；It determines current
Timing duration reach the second duration (for example, 20 minutes).Wherein, the case where inner tube temperature reaches second temperature is determined in air-conditioning
Under, into high temperature-proof guard mode, outer wind turbine is out of service.
For second of state, a kind of optional determining method of third duration is as follows：Determine that air-conditioning enters heating mode,
And high temperature-proof guard mode is exited every time to air-conditioning to the duration progress timing for entering high temperature-proof guard mode next time, and according to
The most long update in short-term currently got is arranged third duration and for example exits high temperature-proof guard mode every time to air-conditioning and arrive
Next time enter high temperature-proof guard mode duration carry out timing, determine than currently it is most long in short-term shorter in the case of, more
It is new it is current most grow in short-term, it is newer in the case that most growing in short-term, third duration is further updated, for example, current most short
Third duration is used as plus a fixed value (for example, 2 minutes), wherein air-conditioning enters and exit high temperature-proof on the basis of duration
The basis for estimation of guard mode is the tube temperature of air conditioner indoor unit, therefore, air-conditioning from exit last high temperature-proof guard mode into
Enter duration of the indoor unit tube temperature of this high temperature-proof guard mode namely air-conditioning from the first temperature rise to second temperature, wherein
First temperature is less than second temperature.
Optionally, determining that air-conditioning exits the step of the duration of this high temperature-proof guard mode reaches third duration includes：
It determines that air-conditioning exits this high temperature-proof guard mode, and starts timing；Determine that current timing duration reaches third duration.
Optionally, have detection outer tube temperature (that is, the tube temperature of the outdoor unit of air-conditioning, heating is in air-conditioning in air-conditioning
Under pattern, outer tube is air-conditioning condenser coil pipe) function in the case of, other than determining that air-conditioning is in any one state,
It can also prevent air-conditioning from missing by the way that the case where whether air-conditioning outer tube temperature executes defrost less than third temperature come accurate air-conditioning determined
Execute defrost.
Further, since air-conditioning is after entering high temperature-proof guard mode, outer wind turbine is out of service, air-conditioning outer tube temperature
Can quickly reduce, as shown in Fig. 2, not being that air-conditioning outer tube temperature can reduce rapidly under operating status, therefore, it is necessary to air-conditioning into
Entering high temperature-proof guard mode, (for example, in 5 seconds) detect outer tube temperature as early as possible later, or obtain and entering high temperature-proof guard mode
Outer tube temperature before, avoid passing through enter high temperature-proof guard mode after the long period outer tube temperature to determine whether into
Enter defrost, excessive to prevent outer tube temperature from declining, the temperature detected is not the temperature of outer tube under operation, and then can not
The outer machine of real embodiment whether frosting the case where, lead to accidentally defrost.
Specifically, after determining that air-conditioning is in any one state, determines that air-conditioning meets and entering this high temperature-proof
The preset time range of guard mode is (for example, preset time range can be between -5s~+5s, wherein -5s refers to entering
5s before this high temperature-proof guard mode) in outdoor unit tube temperature be less than third temperature condition, control air-conditioning execute defrost.
A kind of specific implementation mode of the control method of air-conditioning defrost of above-described embodiment is said with reference to Fig. 3
It is bright：
As shown in figure 3, judging whether air-conditioning system enters high temperature-proof guard mode, judging that air-conditioning do not enter high temperature-proof
In the case of guard mode, it can determine whether to control sky in the way of entering defrost when the normal heating mode of air-conditioning is run
It adjusts and whether enters defrost.
In the case where judging that air-conditioning enters high temperature-proof guard mode, determining that compressor accumulated running time is more than
(principle explanation when continuous dwell time >=20 minute of 50 minutes the constant value of any setting (can be) and outer wind turbine：Into
High temperature-proof illustrates that air-conditioning system load is larger, and inner tube temperature is high, and the accumulative operation 50min of compressor illustrates that system completion is centainly changed
Heat illustrates that air-conditioning system heating capacity is obviously insufficient when the outer wind turbine of high temperature-proof state, which stops 20 minutes, can not still exit high temperature-proof)
In the case of, control air-conditioning enters defrost.
Further, when air-conditioning exits high temperature-proof guard mode outside wind turbine continuous dwell time be still not up to 20 minutes
In the case of, high temperature-proof guard mode is exited to air-conditioning and carries out timing, obtains tIt rises, and it needs to be determined that tRise min。tRise minFor inner tube temperature
From the first temperature T1【Exit T1=48 DEG C of high temperature-proof temperature】Rise to second temperature T2【Into T2=54 DEG C of high temperature-proof temperature】
Shortest time, tRise minAcquisition methods be to each air-conditioning exit high temperature-proof guard mode arrive enter next time high temperature-proof protection
The time of state carries out timing, and constantly updates minimum value according to the result of timing.Detecting tIt risesAnd determine current tIt rises≥
tRise minAt+2 minutes, illustrate that heating capacity deficiency, the possible frosting of outer machine rise to T2 into defrost without waiting for tube temperature,
That is, without entering high temperature-proof guard mode next time.Wherein, tIt risesTime can only calculate integer minute, be discontented with one minute
Number of seconds, which is cast out, not to be calculated.
In addition, for there is the type of detection outer tube temperature function, on the basis of meeting any of the above condition, and detect
TOuter tube≤ x DEG C enter back into defrost, for example, can be arranged x value be -10~0 between a value, with reduce to the greatest extent accidentally protect can
Energy.
The present embodiment executes defrost by controlling air-conditioning when determining that air-conditioning is in any one of the above state, solves phase
Defrosting control method in the technology of pass can lead to the technical issues of defrost can not be but executed in the case where being defrosted, into
And frosting situation can accurately be judged and execute the technique effect of defrost by realizing.
It should be noted that attached drawing flow chart though it is shown that logical order, but in some cases, can be with
Shown or described step is executed different from sequence herein.
Present invention also provides a kind of embodiment of storage medium, the storage medium of the embodiment includes the program of storage,
Wherein, equipment executes the control method of the air-conditioning defrost of the embodiment of the present invention where controlling storage medium when program is run.
Present invention also provides a kind of embodiment of processor, the processor of the embodiment is for running program, wherein journey
The control method of the air-conditioning defrost of the embodiment of the present invention is executed when sort run.
Present invention also provides a kind of embodiments of the control device of air-conditioning defrost.It should be noted that the embodiment carries
The control device of the air-conditioning defrost of confession can be used for executing the control method of air-conditioning defrost provided by the present application.
Fig. 4 is a kind of schematic diagram of the control device of optional air-conditioning defrost according to the ... of the embodiment of the present invention, such as Fig. 4 institutes
Show, the device include the first determination unit 10 and control unit 20, wherein the first determination unit, for determine air-conditioning be in
Any one lower state：Accumulated running time of the compressor of air-conditioning after air-conditioning enters heating mode reach the first duration,
And air-conditioning is in the duration of this high temperature-proof guard mode and reaches the second duration；Compressor enters heating mode in air-conditioning
Accumulated running time later reaches the first duration and when air-conditioning exits the duration of this high temperature-proof guard mode and reaches third
It is long；Control unit executes defrost for controlling air-conditioning.
The embodiment determines that air-conditioning is in any one following state by the first determination unit：The compressor of air-conditioning is in sky
The accumulated running time transferred in after heating mode reaches the first duration and air-conditioning is in this high temperature-proof guard mode
Duration reaches the second duration；Accumulated running time of the compressor after air-conditioning enters heating mode reach the first duration,
And air-conditioning exits the duration of this high temperature-proof guard mode and reaches third duration；Determining that air-conditioning is in a kind of shape of any of the above
In the case of state, air-conditioning is controlled by control unit and executes defrost, the defrosting control method solved in the related technology can cause
The technical issues of defrost can not be but executed in the case where being defrosted, and then realize and can accurately judge frosting feelings
Condition and the technique effect for executing defrost.
As an alternative embodiment, the device further includes：Second determination unit, for determine air-conditioning be in appoint
Before a kind of state of anticipating, determine that air-conditioning enters heating mode；Execution unit, for exiting high temperature-proof guard mode every time to air-conditioning
Timing is carried out to the duration for entering high temperature-proof guard mode next time, and according to the most long update setting in short-term currently got the
Three durations.
As an alternative embodiment, the first determination unit determines that air-conditioning exits this high temperature-proof guard mode
Duration reaches third duration：It determines that air-conditioning exits this high temperature-proof guard mode, and starts timing；Determine current meter
Constantly length reaches third duration.
As an alternative embodiment, the first determination unit determines that air-conditioning exits this high temperature-proof guard mode packet
It includes：Determine that the tube temperature of the indoor unit of air-conditioning is less than the first temperature；Control air-conditioning exits this high temperature-proof guard mode.First really
Order member determines that air-conditioning includes into this high temperature-proof guard mode：Determine that the tube temperature of indoor unit is higher than second temperature, wherein
Second temperature is higher than the first temperature；It controls air-conditioning and enters this high temperature-proof guard mode.
As an alternative embodiment, the first determination unit is additionally operable to exit this high temperature-proof guarantor in control air-conditioning
In the case of shield state, the outer wind turbine for controlling air-conditioning starts；Controlling the case where air-conditioning enters this high temperature-proof guard mode
Under, it is out of service to control outer wind turbine.
As an alternative embodiment, the first determination unit determines that air-conditioning is in this high temperature-proof guard mode
Duration reaches the second duration：It determines that air-conditioning enters this high temperature-proof guard mode, and starts timing；It determines current
Timing duration reach the second duration.
As an alternative embodiment, control unit includes：Determining module, for determining the room within the first period
Outer machine tube temperature is less than third temperature, wherein the first period was air-conditioning in the preset time for entering this high temperature-proof guard mode
Range；Control module executes defrost for controlling air-conditioning.
Above-mentioned device may include processor and memory, and said units can be stored in storage as program unit
In device, above procedure unit stored in memory is executed by processor to realize corresponding function.
Memory may include computer-readable medium in volatile memory, random access memory (RAM) and/
Or the forms such as Nonvolatile memory, if read-only memory (ROM) or flash memory (flash RAM), memory include at least one deposit
Store up chip.
The sequence of above-mentioned the embodiment of the present application can not represent the quality of embodiment.
In above-described embodiment of the application, all emphasizes particularly on different fields to the description of each embodiment, do not have in some embodiment
The part of detailed description may refer to the associated description of other embodiment.In several embodiments provided herein, it should be appreciated that
It arrives, disclosed technology contents can be realized by another way.
Wherein, the apparatus embodiments described above are merely exemplary, for example, the unit division, can be one
Kind of division of logic function, formula that in actual implementation, there may be another division manner, such as multiple units or component can combine or
It is desirably integrated into another system, or some features can be ignored or not executed.Another point, it is shown or discussed it is mutual it
Between coupling, direct-coupling or communication connection can be INDIRECT COUPLING or communication link by some interfaces, unit or module
It connects, can be electrical or other forms.
In addition, each functional unit in each embodiment of the application can be integrated in a processing unit, it can also
It is that each unit physically exists alone, it can also be during two or more units be integrated in one unit.Above-mentioned integrated list
The form that hardware had both may be used in member is realized, can also be realized in the form of SFU software functional unit.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product
When, it can be stored in a computer read/write memory medium.Based on this understanding, the technical solution of the application is substantially
The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words
It embodies, which is stored in a storage medium, including some instructions are used so that a computer
Equipment (can be personal computer, server or network equipment etc.) execute each embodiment the method for the application whole or
Part steps.And storage medium above-mentioned includes：USB flash disk, read-only memory (ROM, Read-OnlyMemory), arbitrary access are deposited
Reservoir (RAM, Random Access Memory), mobile hard disk, magnetic disc or CD etc. are various can to store program code
Medium.
The above is only the preferred embodiment of the application, it is noted that for the ordinary skill people of the art
For member, under the premise of not departing from the application principle, several improvements and modifications can also be made, these improvements and modifications are also answered
It is considered as the protection domain of the application.
Claims (10)
1. a kind of control method of air-conditioning defrost, which is characterized in that the method includes：
Determine that air-conditioning is in any one following state：
Accumulated running time of the compressor of the air-conditioning after the air-conditioning enters heating mode reaches the first duration and institute
It states air-conditioning and is in the duration of this high temperature-proof guard mode and reach the second duration；
Accumulated running time of the compressor after the air-conditioning enters heating mode reaches first duration and described
The duration that air-conditioning exits this high temperature-proof guard mode reaches third duration；
It controls the air-conditioning and executes defrost.
2. according to the method described in claim 1, it is characterized in that, determine the air-conditioning be in any one described state it
Before, the method further includes：
Determine that the air-conditioning enters the heating mode；
The high temperature-proof guard mode is exited every time to the duration for entering the high temperature-proof guard mode next time to the air-conditioning
Timing is carried out, and the third duration is arranged according to the most length update in short-term currently got.
3. according to the method described in claim 1, it is characterized in that, determining that the air-conditioning exits this high temperature-proof protection
The duration of state reaches third duration：
It determines that the air-conditioning exits this high temperature-proof guard mode, and starts timing；
Determine that current timing duration reaches the third duration.
4. according to the method described in claim 1, it is characterized in that,
Determine that the air-conditioning exits this high temperature-proof guard mode and includes：Determine that the tube temperature of the indoor unit of the air-conditioning is low
In the first temperature；It controls the air-conditioning and exits this high temperature-proof guard mode；
Determine that the air-conditioning includes into this high temperature-proof guard mode：Determine that the tube temperature of the indoor unit is higher than second
Temperature, wherein the second temperature is higher than first temperature；The air-conditioning is controlled into this high temperature-proof protection shape
State.
5. according to the method described in claim 4, it is characterized in that,
It controls the air-conditioning and exits this high temperature-proof guard mode and include：The outer wind turbine for controlling the air-conditioning starts；
Control the air-conditioning includes into this high temperature-proof guard mode：It is out of service to control the outer wind turbine.
6. according to the method described in claim 1, it is characterized in that, determining that the air-conditioning is in this high temperature-proof guard mode
Duration reach the second duration and include：
It determines that the air-conditioning enters this high temperature-proof guard mode, and starts timing；
Determine that current timing duration reaches second duration.
7. according to the method described in claim 1, it is characterized in that, controlling the air-conditioning and executing defrost and include：
Determine that outdoor unit tube temperature within the first period is less than third temperature, wherein first period be the air-conditioning into
Enter the preset time range of this high temperature-proof guard mode；
It controls the air-conditioning and executes defrost.
8. a kind of control device of air-conditioning defrost, which is characterized in that described device includes：
First determination unit, for determining that air-conditioning is in any one following state：The compressor of the air-conditioning is in the air-conditioning
Reach the first duration into the accumulated running time after heating mode and the air-conditioning is in this high temperature-proof guard mode
Duration reach the second duration；Accumulated running time of the compressor after the air-conditioning enters heating mode reaches
The duration that first duration and the air-conditioning exit this high temperature-proof guard mode reaches third duration；
Control unit executes defrost for controlling the air-conditioning.
9. a kind of storage medium, which is characterized in that the storage medium includes the program of storage, wherein run in described program
When control the storage medium where equipment perform claim require the control method of the air-conditioning defrost described in 1 to 7 any one.
10. a kind of processor, which is characterized in that the processor is for running program, wherein right of execution when described program is run
Profit requires the control method of the air-conditioning defrost described in 1 to 7 any one.
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| CN201810236882.XA CN108644971B (en) | 2018-03-21 | 2018-03-21 | Control method and device for defrosting of air conditioner, storage medium and processor |
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| CN108644971B (en) | 2020-11-10 |
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