CN110207453A - Defrosting control method, refrigeration equipment and readable storage medium storing program for executing - Google Patents
Defrosting control method, refrigeration equipment and readable storage medium storing program for executing Download PDFInfo
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- CN110207453A CN110207453A CN201910475057.XA CN201910475057A CN110207453A CN 110207453 A CN110207453 A CN 110207453A CN 201910475057 A CN201910475057 A CN 201910475057A CN 110207453 A CN110207453 A CN 110207453A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/002—Defroster control
- F25D21/008—Defroster control by timer
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- General Engineering & Computer Science (AREA)
- Defrosting Systems (AREA)
Abstract
The invention discloses a kind of defrosting control method, refrigeration equipment and readable storage medium storing program for executing, after the defrosting control method includes: energization, the compressor operating time stored in power-failure memory chip is obtained, the first temperature of evaporator is acquired；Judge whether the runing time is greater than the first preset time, and judges first temperature whether less than the first preset temperature；If the runing time is greater than first preset time, and first temperature is less than first preset temperature, then controls defrosting heater and carry out defrost processing to evaporator.For defrosting control method provided by the invention in frequent power-off energization area, refrigeration effect is good.
Description
Technical field
The present invention relates to defrosting control field more particularly to a kind of defrosting control methods, refrigeration equipment and readable storage medium
Matter.
Background technique
There are two types of electric control refrigerator defrost mode is usual, the first judged to carry out defrost according to compressor accumulated running time,
Defrost is carried out when compressor accumulated running time reaching defrost requirement runing time, due to compressor accumulated running time one
As be it is accumulative primary with 1 hour, upper refrigerator is powered off again after refrigerator operates normally a period of time and is carried out still according to the method
Defrost；When refrigerator stable operation for a period of time after, case body temperature is lower, at this point for frequent power-off area (such as 30 minutes/40
Minute power-off is primary) evaporator of refrigerator temperature be it is relatively low, a large amount of frost is had on evaporator, if it is logical to be repeated several times power-off
Electricity, refrigerator are unsatisfactory for white condition of evolving at this time, will lead to the frost on evaporator of refrigerator and form real ice, refrigerator is caused not freeze；
Judgement freezing defrosting sensor temperature when second of refrigerator powers on every time, when freezing defrosting sensor temperature is (such as low lower than M DEG C
In -10 DEG C) refrigerator immediately enters defrost, and defrost is exited according to normal defrost, if refrigerator is frequently powered off and is powered under the method, refrigerator
Evaporator, which will not freeze, causes refrigerator not freeze, and the method, which can prevent frequently to power off, powers on regional evaporator icing phenomenon, but
If excessively frequently (power-off in such as 30 minutes/40 minutes is primary), freezing defrosting sensor temperature after powering at this time can be for power-off
Lower than M DEG C, constantly defrost will lead to refrigerator almost without time refrigeration in this way, influence the refrigerating capacity of refrigerator.At present both
Defrost mode can all influence the refrigerating capacity of refrigerator in the area frequently powered off.
Therefore, it is necessary to provide a kind of defrosting control method, to solve the above technical problems.
Summary of the invention
The main object of the present invention is to provide a kind of defrosting control method, refrigeration equipment and readable storage medium storing program for executing, it is intended to solve
Certainly in the prior art it is frequent power off regional electric control refrigerator cannot normal defrost the technical issues of.
To achieve the above object, the present invention provides a kind of defrosting control method, comprising:
After energization, the compressor operating time stored in power-failure memory chip is obtained, the first temperature of evaporator is acquired；
Judge whether the runing time is greater than the first preset time, and judges whether first temperature is pre- less than first
If temperature；
If the runing time is greater than first preset time, and first temperature is less than the described first default temperature
Degree then controls defrosting heater and carries out defrost processing to evaporator.
Preferably, if the runing time is greater than first preset time, and first temperature is less than institute
State the first preset temperature, then control defrosting heater to evaporator carry out defrost processing the step of after, further includes:
The second temperature for obtaining the evaporator, judges whether the second temperature is greater than or equal to the described second default temperature
Degree, the second temperature are greater than first temperature；
If the second temperature of the evaporator is greater than or equal to second preset temperature, defrosting heater closing is controlled
And compressor operation is controlled, at the beginning of recording the compressor starts operation, by the institute of power-failure memory chip storage
It states runing time and does clearing processing.
Preferably, if the second temperature of the evaporator is greater than or equal to second preset temperature, control
Compressor operation is closed and controlled to white heater, the runing time of the compressor starts operation is recorded, by the power-failure memory
The runing time of chip storage was done after the step of clearing processing, further includes:
Current time is obtained at interval of the second preset time, according to the current time and time started calculating
First accumulated running time of compressor, when to update runing time in the power-failure memory chip be the described first accumulative operation
Between.
Preferably, described to obtain current time at interval of the second preset time, according to the current time and the beginning
Time calculates the first accumulated running time of the compressor, and updating runing time in the power-failure memory chip is described the
After the step of one accumulated running time, further includes:
The runing time stored in the power-failure memory chip is obtained, judges whether the runing time is greater than described first
Preset time；
If the runing time is greater than first preset time, execute: control defrosting heater carries out evaporator
The step of defrost is handled.
Preferably, described to judge whether the runing time is greater than the first preset time, and judge that first temperature is
It is no less than the first preset temperature the step of after, further includes:
If the compressor operating time is less than or equal to first preset time, the evaporator temperature is greater than or waits
In the preset temperature, then the compressor operation is controlled, and record conduction time；
Current time is obtained at interval of second preset time, is calculated according to the current time and the conduction time
Second accumulated running time of the compressor, update runing time in the power-failure memory chip be the runing time and
The sum of second accumulated running time.
Preferably, described to obtain current time at interval of second preset time, according to the current time and described
Conduction time calculates the second accumulated running time of the compressor, updates the runing time in the power-failure memory chip for institute
State runing time and second accumulated running time and the step of after, further includes:
The runing time stored in the power-failure memory chip is obtained, judges the runing time and the second accumulative fortune
The row time and whether be greater than first preset time；
If the runing time and second accumulated running time and be greater than first preset time, execute:
Control the step of defrosting heater carries out defrost processing to evaporator.
Preferably, the evaporator includes the first evaporation flow path and the second evaporation flow path in parallel；The defrosting heater
Including and the corresponding first defrost heater strip of the first evaporation flow path and the second defrost corresponding with the second evaporation flow path
Heater strip；If the compressor operating time is greater than the preset time, and first temperature is less than described first
Preset temperature then controls the step of defrosting heater carries out defrost processing to evaporator, comprising:
If the compressor operating time is greater than first preset time, and first temperature is less than described first
Preset temperature, then judge whether first temperature is less than third preset temperature, and wherein third preset temperature is lower than described first
Preset temperature；
If first temperature is less than the third preset temperature, controls the first defrost heater strip and evaporated to first
Flow path carries out defrost processing, and the second defrost heater strip carries out defrost processing to the second evaporation flow path；
If first temperature is greater than or equal to the third preset temperature, the compressor operation is controlled, institute is controlled
The disconnection of the first evaporation flow path and the compressor is stated be connected to, control the first defrost heater strip to described first evaporate flow path into
Row defrost processing, or the control second evaporation flow path are connected to compressor disconnection, control the second defrost heater strip
Defrost processing is carried out to the second evaporation flow path.
Preferably, if first temperature is less than the third preset temperature, the first defrost heating is controlled
Silk carries out defrost processing to the first evaporation flow path, and the second defrost heater strip carries out the step of defrost processing to the second evaporation flow path
After rapid, further includes:
The third temperature for obtaining the defrosting heater, judges whether the third temperature is greater than the default temperature of the third
Degree；
If the third temperature is greater than the third preset temperature, execute: controlling the compressor and run, described in control
First evaporation flow path is connected to compressor disconnection, is controlled the first defrost heater strip and is carried out defrost to the first evaporation flow path
Processing, or the control second evaporation flow path are connected to compressor disconnection, control the second defrost heater strip to second
Evaporate the step of flow path carries out defrost processing.
In addition, to achieve the above object, the present invention also provides a kind of refrigeration equipments, including compressor, evaporator, condensation
Device, defrosting heater and control assembly, the control assembly include memory, processor and are stored on the memory and can
The computer program run on the processor, the processor realize such as above-mentioned defrosting control side when executing described program
The step of method.
In addition, to achieve the above object, the present invention also provides a kind of readable storage medium storing program for executing, being deposited on the readable storage medium storing program for executing
Computer program is contained, is realized when the computer program is executed by processor such as the step of above-mentioned defrosting control method.
A kind of defrosting control method, refrigeration equipment and the readable storage medium storing program for executing that the embodiment of the present invention proposes, by refrigerator
Judge when electric the compressor operating time stored in power-failure memory chip whether be greater than preset time and evaporator temperature whether
Less than preset temperature, the operation of the defrosting heater or compressor in refrigerator is controlled, to guarantee that refrigerator being capable of normal defrost.
Detailed description of the invention
Fig. 1 is the refrigeration equipment structural schematic diagram for the hardware running environment that the embodiment of the present invention is related to；
Fig. 2 is the flow diagram of defrosting control method first embodiment of the present invention；
Fig. 3 is the flow diagram of defrosting control method second embodiment of the present invention；
Fig. 4 is the flow diagram of defrosting control method 3rd embodiment of the present invention；
Fig. 5 is the flow diagram of defrosting control method fourth embodiment of the present invention；
Fig. 6 is the flow diagram of the 5th embodiment of defrosting control method of the present invention；
Fig. 7 is the flow diagram of defrosting control method sixth embodiment of the present invention；
Fig. 8 is the flow diagram of the 7th embodiment of defrosting control method of the present invention；
Fig. 9 is the flow diagram of the 8th embodiment of defrosting control method of the present invention.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description.It should be appreciated that specific embodiment described herein is used only for explaining the present invention, it is not used to limit this hair
It is bright.Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts
Every other embodiment, shall fall within the protection scope of the present invention.
The embodiment of the invention provides a kind of defrosting control method, refrigeration equipment and readable storage medium storing program for executing.
As shown in Figure 1, Fig. 1 is the structural representation of the refrigeration equipment for the hardware running environment that the embodiment of the present invention is related to
Figure.
As shown in Figure 1, the refrigeration equipment includes evaporator 1003, defrosting heater 1004, compressor 1006, condenser
1007 and control assembly, control assembly may include: processor 1001, such as CPU, memory 1005, communication bus 1002.Its
In, communication bus 1002 can be high speed RAM memory for realizing the connection communication between these components, memory 1005,
It is also possible to stable memory (non-volatile memory), such as magnetic disk storage.Memory 1005 optionally may be used also
To be independently of the storage device of aforementioned processor 1001.
It will be understood by those skilled in the art that refrigeration equipment structure shown in Fig. 1 does not constitute the limit to refrigeration equipment
It is fixed, it may include perhaps combining certain positions or different component layouts than illustrating more or fewer components.
As shown in Figure 1, as may include operating system and defrost control in a kind of memory 1005 of readable storage medium storing program for executing
Processing procedure sequence.
In refrigeration equipment shown in Fig. 1, processor 1001 can be used for that the refrigeration stored in memory 1005 is called to set
Standby defrosting control program.
Based on above-mentioned hardware configuration, each embodiment of the defrosting control method in the present invention is proposed.
It will be understood by those skilled in the art that refrigeration equipment structure shown in Fig. 1 does not constitute the limit to refrigeration equipment
It is fixed, it may include perhaps combining certain components or different component layouts than illustrating more or fewer components.
As shown in Figure 1, as may include operating system and realization in a kind of memory 1005 of computer storage medium
The computer program of defrosting control method of the present invention.
When processor 1001 can be used for calling the computer program stored in memory 1005, and execute following operation:
After energization, the compressor operating time stored in power-failure memory chip is obtained, the first temperature of evaporator is acquired；
Judge whether the runing time is greater than the first preset time, and judges whether first temperature is pre- less than first
If temperature；
If the runing time is greater than first preset time, and first temperature is less than the described first default temperature
Degree then controls defrosting heater and carries out defrost processing to evaporator.
Further, it when processor 1001 can be used for calling the computer program stored in memory 1005, and executes
It operates below:
If the runing time is greater than first preset time, and first temperature is less than described first in advance
If temperature, then control defrosting heater to evaporator carry out defrost processing the step of after, further includes:
The second temperature for obtaining the evaporator, judges whether the second temperature is greater than or equal to the described second default temperature
Degree, the second temperature are greater than first temperature；
If the second temperature of the evaporator is greater than or equal to second preset temperature, defrosting heater closing is controlled
And compressor operation is controlled, at the beginning of recording the compressor starts operation, by the institute of power-failure memory chip storage
It states runing time and does clearing processing.
Further, it when processor 1001 can be used for calling the computer program stored in memory 1005, and executes
It operates below:
If the second temperature of the evaporator is greater than or equal to second preset temperature, defrosting heater is controlled
Compressor operation is closed and controlled, the runing time of the compressor starts operation is recorded, the power-failure memory chip is stored
The runing time do clearing processing the step of after, further includes:
Current time is obtained at interval of the second preset time, according to the current time and time started calculating
First accumulated running time of compressor, when to update runing time in the power-failure memory chip be the described first accumulative operation
Between.
Further, it when processor 1001 can be used for calling the computer program stored in memory 1005, and executes
It operates below:
It is described to obtain current time at interval of the second preset time, it is calculated according to the current time and the time started
First accumulated running time of the compressor, updating the runing time in the power-failure memory chip is the described first accumulative fortune
After the step of row time, further includes:
The runing time stored in the power-failure memory chip is obtained, judges whether the runing time is greater than described first
Preset time；
If the runing time is greater than first preset time, execute: control defrosting heater carries out evaporator
The step of defrost is handled.
Further, it when processor 1001 can be used for calling the computer program stored in memory 1005, and executes
It operates below:
It is described to judge whether the runing time is greater than the first preset time, and judge first temperature whether less than
After the step of one preset temperature, further includes:
If the compressor operating time is less than or equal to first preset time, the evaporator temperature is greater than or waits
In the preset temperature, then the compressor operation is controlled, and record conduction time；
Current time is obtained at interval of second preset time, is calculated according to the current time and the conduction time
Second accumulated running time of the compressor, update runing time in the power-failure memory chip be the runing time and
The sum of second accumulated running time.
Further, it when processor 1001 can be used for calling the computer program stored in memory 1005, and executes
It operates below:
It is described to obtain current time at interval of second preset time, according to the current time and the conduction time
The second accumulated running time for calculating the compressor, when to update runing time in the power-failure memory chip be the operation
Between and second accumulated running time and the step of after, further includes:
The runing time stored in the power-failure memory chip is obtained, judges the runing time and the second accumulative fortune
The row time and whether be greater than first preset time；
If the runing time and second accumulated running time and be greater than first preset time, execute:
Control the step of defrosting heater carries out defrost processing to evaporator.
Further, it when processor 1001 can be used for calling the computer program stored in memory 1005, and executes
It operates below:
The evaporator includes the first evaporation flow path and the second evaporation flow path in parallel；The defrosting heater includes and institute
State the corresponding first defrost heater strip of the first evaporation flow path and the second defrost heater strip corresponding with the second evaporation flow path；Institute
If stating the compressor operating time greater than the preset time, and first temperature is less than first preset temperature,
Then control the step of defrosting heater carries out defrost processing to evaporator, comprising:
If the compressor operating time is greater than first preset time, and first temperature is less than described first
Preset temperature, then judge whether first temperature is less than third preset temperature, and wherein third preset temperature is lower than described first
Preset temperature；
If first temperature is less than the third preset temperature, controls the first defrost heater strip and evaporated to first
Flow path carries out defrost processing, and the second defrost heater strip carries out defrost processing to the second evaporation flow path；
If first temperature is greater than or equal to the third preset temperature, the compressor operation is controlled, institute is controlled
The disconnection of the first evaporation flow path and the compressor is stated be connected to, control the first defrost heater strip to described first evaporate flow path into
Row defrost processing, or the control second evaporation flow path are connected to compressor disconnection, control the second defrost heater strip
Defrost processing is carried out to the second evaporation flow path.
Further, it when processor 1001 can be used for calling the computer program stored in memory 1005, and executes
It operates below:
If first temperature is less than the third preset temperature, the first defrost heater strip is controlled to first
It evaporates flow path and carries out defrost processing, after the second defrost heater strip evaporates the step of flow path carries out defrost processing to second,
Further include:
The third temperature for obtaining the defrosting heater, judges whether the third temperature is greater than the default temperature of the third
Degree；
If the third temperature is greater than the third preset temperature, execute: controlling the compressor operation,
It controls the first evaporation flow path to be connected to compressor disconnection, controls the first defrost heater strip to first
It evaporates flow path and carries out defrost processing, or the control second evaporation flow path is connected to compressor disconnection, control described second
The step of defrost heater strip carries out defrost processing to the second evaporation flow path.
A kind of flow chart of defrosting control method as shown in Figure 2, method includes the following steps:
Step S100 after energization, obtains the compressor operating time stored in power-failure memory chip, acquires the of evaporator
One temperature；
In this step, the power-failure memory chip can be the single-chip microcontroller with power-fail detection circuit, the power down inspection
Slowdown monitoring circuit can connect farad capacitor, and when the unexpected power down of refrigeration equipment, power-failure memory chip can realize detection of power loss and data
Power down saves.The basic structure of the power-failure memory chip includes arithmetic unit, controller, register etc., and the arithmetic unit calculates
Compressor operating time when refrigeration equipment is powered, and be stored in register.
Temperature sensor (temperature transducer), which refers to, can experience temperature and be converted into usable output signal
Sensor.The refrigeration equipment can be used to measure the temperature of evaporator with built-in temperature sensor, the temperature sensor, will
The temperature information of evaporator is sent to processor.
After refrigeration equipment is powered, processor obtains the compressor operating time data stored in power-failure memory chip, institute
The compressor Cumulative Elapsed Time that power-failure memory chip of runing time being stated when can be the power down of refrigeration equipment last time stores.Pass through
Temperature sensor acquires the temperature of evaporator, which is the first temperature.
Step S110, judges whether the runing time is greater than the first preset time, and whether judges first temperature
Less than the first preset temperature；
In this step, first preset time and the first preset time be those skilled in the art according to actual needs
It presets, and is stored in the memory of refrigeration equipment.
Step S120, if the runing time is greater than first preset time, and first temperature is less than described
First preset temperature then controls defrosting heater and carries out defrost processing to evaporator；
If the runing time is less than or equal to first preset time, and first temperature is greater than or equal to institute
The first preset temperature is stated, then controls the compressor operation；
If the runing time is greater than first preset time, and first temperature is greater than or equal to described first
Preset temperature then controls the compressor operation；
If the runing time is less than or equal to first preset time, and first temperature is less than described first
Preset temperature then controls the working condition of the compressor and defrosting heater according to preset rules；The preset rules can be by this
Field technical staff is arranged according to actual needs.
In this step, it is less than described the when the runing time is greater than first preset time and first temperature
When one condition of preset temperature two is set up simultaneously, processor controls the conducting of defrost circuit, and defrosting heater adds evaporator
Heat melts the frost on evaporator.
In the present embodiment, by comparing be powered after refrigeration equipment power-failure memory chip store compressor operating time with
The size of the size of first preset time and more collected evaporator the first temperature and the first preset temperature, to control evaporation
Device whether defrost.Refrigeration equipment is avoided because power-off needs to start from scratch to calculate compressor operating time, ensure that power-off again
When energization, the normal defrost of refrigeration equipment evaporator.
Further, referring to Fig. 3, defrosting control method second embodiment of the present invention provides a kind of defrosting control method, base
After above-mentioned first embodiment, the step S120, may include:
Step S200 obtains the second temperature of the evaporator, and it is described to judge whether the second temperature is greater than or equal to
Second preset temperature, the second temperature are greater than first temperature；
In this step, when temperature sensor detects that the second temperature of evaporator is greater than or equal to the described second default temperature
When spending, illustrate that the temperature of evaporator is improved, reaches the condition of refrigeration equipment defrost stopping.The temperature sensor is examined in real time
The temperature information of testing temperature sensor is to control the defrost of evaporator.
Step S210 controls defrost if the second temperature of the evaporator is greater than or equal to second preset temperature
Compressor operation is closed and controlled to heater, at the beginning of recording the compressor starts operation, by the power-failure memory core
The runing time of piece storage does clearing processing.
If the second temperature of the evaporator is less than second preset temperature, it is not processed.
In this step, because a defrost process is completed, the runing time of the power-failure memory chip storage is to change
Compressor operating time before frost, so the runing time that the power-failure memory chip stores is done clearing processing, the clearing
Processing can be the time data deleted and stored in power down memory chip register, be also possible to power-failure memory chip register
In time for storing replace with zero.
In the present embodiment, judge whether to reach the condition that defrost is exited to control the on-off of defrost circuit, when reaching
When the condition that frost exits, control defrost circuit disconnects and compressor operation, and to the runing time of power-failure memory chip storage
Clearing processing is done, ensure that being normally carried out for refrigeration equipment defrost next time.
Further, referring to Fig. 4, defrosting control method 3rd embodiment of the present invention provides a kind of defrosting control method, base
After above-mentioned second embodiment, the step S210, may include:
S220 obtains current time at interval of the second preset time, is counted according to the current time and the time started
The first accumulated running time for calculating the compressor, updating the runing time in the power-failure memory chip is described first accumulative
Runing time.
In the present embodiment, after a defrost, compressor operation, when obtaining current at interval of the second preset time
Between, in the present embodiment, second preset time be 10 minutes, certainly in other embodiments can also be greater than 10 minutes or
Person was less than 10 minutes, specifically by those skilled in the art's self-setting.According to the compression recorded in current time and step S210
Machine calculates the first accumulated running time of compressor, i.e., within first accumulated running time, pressure at the beginning of bringing into operation
Contracting machine is being run always.Updating runing time in the power-failure memory chip is first accumulated running time, i.e., every
Every the total time of the second preset time record first compression machine single operation.It is understood that second preset time
Smaller, the power down that the compressor operating time and normal operation of the power-failure memory chip storage after power down do not encounter power-down conditions is remembered
The compressor operating time error for recalling chip storage is smaller.
Further, referring to Fig. 5, defrosting control method fourth embodiment of the present invention provides a kind of defrosting control method, base
After above-mentioned 3rd embodiment, the step S220, may include:
Step S300 obtains the runing time stored in the power-failure memory chip, judges whether the runing time is big
In first preset time；
If the runing time is greater than first preset time, S120 is thened follow the steps；
If the runing time is less than or equal to first preset time, it is not processed.
In the present embodiment, after refrigeration equipment is powered and a defrost, compressor is operated normally, when power down is remembered
When recalling the runing time of chip storage greater than the first preset time, defrosting heater is controlled again to evaporator defrost.Work as refrigeration
After equipment energization and a defrost, in the state that compressor persistently operates normally, it is only necessary to judge the accumulative fortune of compressor
Whether the row time is greater than the first preset time, it is no longer necessary to judge whether evaporator temperature is lower than the first preset temperature, thus simple
The deterministic process for whether carrying out defrost processing changed.
Further, referring to Fig. 6, the 5th embodiment of defrosting control method of the present invention provides a kind of defrosting control method, base
After above-mentioned first embodiment, the step S110, may include:
Step S400, if the runing time is less than or equal to first preset time, the evaporator temperature is greater than
Or be equal to the preset temperature, then the compressor operation is controlled, and record conduction time；
Step S410 obtains current time at interval of second preset time, according to the current time and described logical
The electric time calculates the second accumulated running time of the compressor, and the runing time updated in the power-failure memory chip is described
The sum of runing time and second accumulated running time.
In this embodiment, after refrigeration equipment is powered, if the compressor operating time is less than or equal to the preset time,
The evaporator temperature is greater than or equal to the preset temperature, that is, is unsatisfactory for the condition that defrosting heater is opened in step S120,
Then processor control compression operation, and record the time of energization, obtain current time at interval of the second preset time and calculate pressure
Second accumulated running time of contracting machine.Because of the runing time obtained in step S100, for the preceding power-failure memory chip memory that is powered
The runing time of storage, i.e., the compressor operating time stored before power down, the compressor operating time stored in upper primary power down
In the case where no more than preset time, stored again after which is added with the second accumulated running time of compressor
Into power-failure memory chip, avoids to be powered again after refrigeration equipment power down and restart to calculate compressor operating time and influence just
Normalizing frost.
Further, referring to Fig. 7, defrosting control method sixth embodiment of the present invention provides a kind of defrosting control method, base
After above-mentioned 5th embodiment, the step S410, may include:
Step S500 obtains the runing time stored in the power-failure memory chip, judges the runing time and described
Second accumulated running time and whether be greater than first preset time；
If the runing time and second accumulated running time and be greater than first preset time, execute step
Rapid S120；
If the runing time and second accumulated running time and be less than or equal to first preset time,
It is not processed.
In the present embodiment, it is less than or equal to the preset time in the compressor operating time after refrigeration equipment is powered
And the evaporator temperature is greater than or equal in the case of the preset temperature, carries out defrost processing to evaporator and needs described the
Two accumulated running times were greater than first preset time.It ensure that the case where refrigeration equipment is unsatisfactory for defrost condition after powered up
The normal operation of lower compressor and going on smoothly for subsequent evaporation device defrost.
Further, referring to Fig. 8, the 7th embodiment of defrosting control method of the present invention provides a kind of defrosting control method, institute
Stating evaporator includes the first evaporation flow path and the second evaporation flow path in parallel；The defrosting heater includes and described first evaporates
The corresponding first defrost heater strip of flow path and the second defrost heater strip corresponding with the second evaporation flow path, are based on above-mentioned first
Embodiment, the step S120 include:
Step S600, if the compressor operating time is greater than first preset time, and first temperature is small
In first preset temperature, then judge whether first temperature is less than third preset temperature, wherein third preset temperature is low
In first preset temperature；
Step S610 controls the first defrost heater strip if first temperature is less than the third preset temperature
Defrost processing is carried out to the first evaporation flow path, the second defrost heater strip carries out defrost processing to the second evaporation flow path；
Specifically, in the present embodiment, evaporator includes the first evaporation flow path and the second evaporation flow path in parallel, can be passed through
Triple valve etc. controls the connection or disconnection of compressor and an evaporation flow path, the second evaporation flow path.When first temperature is less than institute
State third preset temperature, then it represents that the temperature of evaporator is colder, and frost layer is thicker.The first defrost heater strip is controlled simultaneously to the
One evaporation flow path carries out defrost processing, and the second defrost heater strip carries out defrost processing to the second evaporation flow path, to accelerate
Defrost process.
Step S620 controls the compressor fortune if first temperature is greater than or equal to the third preset temperature
Row controls the first evaporation flow path and is connected to compressor disconnection, controls the first defrost heater strip to described first
It evaporates flow path and carries out defrost processing, or the control second evaporation flow path is connected to compressor disconnection, control described second
Defrost heater strip carries out defrost processing to the second evaporation flow path.
When first temperature is greater than or equal to the third preset temperature, then it represents that steamed compared to the case where step S610
The temperature for sending out device is higher, and frost thickness is general.It controls the first defrost heater strip and defrost processing is carried out to the first evaporation flow path,
Or control the second defrost heater strip carries out defrost processing to the second evaporation flow path, so that compressor continues to freeze, together
When synchronous to the defrost of evaporator carry out.
Further, referring to Fig. 9, the 7th embodiment of defrosting control method of the present invention provides a kind of defrosting control method, base
After above-mentioned 7th embodiment, the step S610, may include:
Step S700 obtains the third temperature of the defrosting heater, judges whether the third temperature is greater than described
Three preset temperatures；
If the third temperature is greater than the third preset temperature, S620 is thened follow the steps；
If the third temperature is less than or equal to the third preset temperature, it is not processed.
The defrost processing of the temperature defrosting heater of evaporator gradually rises, and the third temperature acquired in real time gradually rises,
When third temperature is greater than third preset temperature, then it represents that the temperature of evaporator is higher the case where compared to step S610, frost layer
Generally.Using step S620, so that compressor continues to freeze, while being carried out to the defrost of evaporator is synchronous.
The present invention also provides a kind of computer readable storage medium, meter is stored on the computer readable storage medium
Calculation machine program is realized when the computer program is entered by processor such as the step of above-mentioned defrosting control method.
The specific embodiment of readable storage medium storing program for executing of the present invention and each embodiment of above-mentioned defrosting control method are essentially identical, herein
It does not repeat.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or the system that include a series of elements not only include those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or system institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to do
There is also other identical elements in the process, method of element, article or system.
The serial number of the above embodiments of the invention is only for description, does not represent the advantages or disadvantages of the embodiments.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can be realized by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on this understanding, technical solution of the present invention substantially in other words does the prior art
The part contributed out can be embodied in the form of software products, which is stored in one as described above
In readable storage medium storing program for executing (such as ROM/RAM, magnetic disk, CD), including some instructions are with so that a refrigeration equipment executes this hair
Method described in bright each embodiment.
The above is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of defrosting control method characterized by comprising
After energization, the compressor operating time stored in power-failure memory chip is obtained, the first temperature of evaporator is acquired；
Judge whether the runing time is greater than the first preset time, and judges first temperature whether less than the first default temperature
Degree；
If the runing time is greater than first preset time, and first temperature is less than first preset temperature,
It then controls defrosting heater and defrost processing is carried out to evaporator.
2. defrosting control method as described in claim 1, which is characterized in that if the runing time is greater than described first
Preset time, and first temperature is less than first preset temperature, then controls defrosting heater to evaporator
After the step of frost processing, further includes:
The second temperature for obtaining the evaporator, judges whether the second temperature is greater than or equal to second preset temperature,
The second temperature is greater than first temperature；
If the second temperature of the evaporator is greater than or equal to second preset temperature, controls defrosting heater and close and control
Compressor operation processed, at the beginning of recording the compressor starts operation, by the fortune of power-failure memory chip storage
The row time does clearing processing.
3. defrosting control method as claimed in claim 2, which is characterized in that if the second temperature of the evaporator is greater than
Or be equal to second preset temperature, then it controls defrosting heater and closes and control compressor operation, record the compressor and open
Begin to do the runing time that the power-failure memory chip stores after resetting the step of handling, also at the beginning of operation
Include:
Current time is obtained at interval of the second preset time, the compression is calculated according to the current time and the time started
First accumulated running time of machine, updating the runing time in the power-failure memory chip is first accumulated running time.
4. defrosting control method as claimed in claim 3, which is characterized in that described to be obtained currently at interval of the second preset time
Time, the first accumulated running time of the compressor is calculated according to the current time and the time started, described in update
After the step of runing time in power-failure memory chip is first accumulated running time, further includes:
The runing time stored in the power-failure memory chip is obtained, it is default to judge whether the runing time is greater than described first
Time；
If the runing time is greater than first preset time, execute: control defrosting heater carries out defrost to evaporator
The step of processing.
5. defrosting control method as claimed in claim 3, which is characterized in that described to judge whether the runing time is greater than
One preset time, and after judging the step of whether first temperature is less than the first preset temperature, further includes:
If the runing time is less than or equal to first preset time, the evaporator temperature is greater than or equal to described first
Preset temperature then controls the compressor operation, and records conduction time；
Current time is obtained at interval of second preset time, according to the current time and conduction time calculating
Second accumulated running time of compressor, it is the runing time and described for updating runing time in the power-failure memory chip
The sum of second accumulated running time.
6. defrosting control method as claimed in claim 5, which is characterized in that described to be obtained at interval of second preset time
Current time calculates the second accumulated running time of the compressor according to the current time and the conduction time, updates
Runing time in the power-failure memory chip be the runing time and second accumulated running time and the step of it
Afterwards, further includes:
The runing time stored in the power-failure memory chip is obtained, it is default to judge whether the runing time is greater than described first
Time；
If the runing time is greater than first preset time, execute: control defrosting heater carries out defrost to evaporator
The step of processing.
7. defrosting control method as described in claim 1, which is characterized in that the evaporator includes the first evaporation stream in parallel
Road and the second evaporation flow path；The defrosting heater include with the first corresponding first defrost heater strip of evaporation flow path and with
Described second evaporates the corresponding second defrost heater strip of flow path；If the compressor operating time is greater than described default
Between, and first temperature is less than first preset temperature, then controls defrosting heater and carry out defrost processing to evaporator
The step of, comprising:
If the compressor operating time is greater than first preset time, and first temperature is less than described first and presets
Temperature, then judge whether first temperature is less than third preset temperature, and wherein third preset temperature is default lower than described first
Temperature；
If first temperature is less than the third preset temperature, the first defrost heater strip is controlled to the first evaporation flow path
Defrost processing is carried out, the second defrost heater strip carries out defrost processing to the second evaporation flow path；
If first temperature is greater than or equal to the third preset temperature, compressor operation is controlled, controls described the
One evaporation flow path is connected to compressor disconnection, controls the first defrost heater strip to the first evaporation flow path
Frost processing, or control the second evaporation flow path and the compressor disconnection are connected to, and control the second defrost heater strip is to the
Two evaporation flow paths carry out defrost processing.
8. defrosting control method as claimed in claim 7, which is characterized in that if first temperature is less than the third
Preset temperature then controls the first defrost heater strip and carries out defrost processing, the second defrost heating to the first evaporation flow path
After the step of silk carries out defrost processing to the second evaporation flow path, further includes:
The third temperature for obtaining the defrosting heater, judges whether the third temperature is greater than the third preset temperature；
If the third temperature is greater than the third preset temperature, execute: controlling the compressor operation, control described first
Evaporation flow path is connected to compressor disconnection, is controlled the first defrost heater strip and is carried out defrost to the first evaporation flow path
Processing, or the control second evaporation flow path are connected to compressor disconnection, control the second defrost heater strip to second
Evaporate the step of flow path carries out defrost processing.
9. a kind of refrigeration equipment, which is characterized in that including compressor, evaporator, condenser, defrosting heater and control assembly,
The control assembly includes memory, processor and is stored in the calculating that can be run on the memory and on the processor
Machine program, the processor are realized when executing described program such as defrosting control method described in any item of the claim 1 to 8
Step.
10. a kind of readable storage medium storing program for executing, which is characterized in that be stored with computer program, the meter on the readable storage medium storing program for executing
It realizes when calculation machine program is executed by processor such as the step of defrosting control method described in any item of the claim 1 to 8.
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| CN201910475057.XA CN110207453A (en) | 2019-05-31 | 2019-05-31 | Defrosting control method, refrigeration equipment and readable storage medium storing program for executing |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112460902A (en) * | 2020-12-11 | 2021-03-09 | 珠海格力电器股份有限公司 | Refrigerator defrosting method and refrigerator |
| CN112556297A (en) * | 2019-09-10 | 2021-03-26 | 海信（山东）冰箱有限公司 | Refrigerator defrosting method and refrigerator |
| CN112595006A (en) * | 2020-12-16 | 2021-04-02 | 珠海格力电器股份有限公司 | Refrigerating and defrosting method and device for refrigerator, refrigerator and processor |
| CN112797707A (en) * | 2020-12-31 | 2021-05-14 | 珠海格力电器股份有限公司 | Defrosting control method and device and air cooler unit |
| CN112944792A (en) * | 2021-02-09 | 2021-06-11 | 珠海格力电器股份有限公司 | Refrigerator control method and device, storage medium and refrigerator |
| WO2021218342A1 (en) * | 2020-06-05 | 2021-11-04 | 青岛海尔电冰箱有限公司 | Defrosting control method for refrigerator |
| CN114165972A (en) * | 2021-12-15 | 2022-03-11 | 长虹美菱股份有限公司 | Power-on defrosting control method for air-cooled refrigerator |
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| CN112556297A (en) * | 2019-09-10 | 2021-03-26 | 海信（山东）冰箱有限公司 | Refrigerator defrosting method and refrigerator |
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| CN112797707A (en) * | 2020-12-31 | 2021-05-14 | 珠海格力电器股份有限公司 | Defrosting control method and device and air cooler unit |
| CN112944792A (en) * | 2021-02-09 | 2021-06-11 | 珠海格力电器股份有限公司 | Refrigerator control method and device, storage medium and refrigerator |
| CN114165972A (en) * | 2021-12-15 | 2022-03-11 | 长虹美菱股份有限公司 | Power-on defrosting control method for air-cooled refrigerator |
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