CN107606859A

CN107606859A - Defrosting method, defrosting system, refrigeration plant and computer-readable recording medium

Info

Publication number: CN107606859A
Application number: CN201711041336.2A
Authority: CN
Inventors: 赵艳锋; 胡海宏
Original assignee: Hefei Hualing Co Ltd; Midea Group Co Ltd; Hefei Midea Refrigerator Co Ltd
Current assignee: Hefei Hualing Co Ltd; Midea Group Co Ltd; Hefei Midea Refrigerator Co Ltd
Priority date: 2017-10-30
Filing date: 2017-10-30
Publication date: 2018-01-19
Anticipated expiration: 2037-10-30
Also published as: CN107606859B

Abstract

The present invention proposes a kind of defrosting method, defrosting system, refrigeration plant and computer-readable recording medium, wherein, defrosting method includes：The operation duration of refrigeration plant start operation is determined with prefixed time interval；Multiple operational factors of the refrigeration plant in each operation duration are determined, and periodic variable is determined according to multiple operational factors；The target defrost cycle is determined according to periodic variable and default defrost cycle, so as to perform defrost when refrigeration plant is operationally long with the corresponding target defrost cycle.Pass through technical scheme, can be according to the defrost cycle of the operational factor adjust automatically refrigeration plant of refrigeration plant, defrost is carried out in time, it can either reduce because frosting excessively makes the possibility of refrigerating device refrigeration hydraulic performance decline in refrigeration plant caused by defrost not in time, and can is enough reduced because defrost excessively frequently increases the possibility of unnecessary power consumption, increase the stability of refrigerating device refrigeration performance, reduce the power consumption of refrigeration plant defrosting operation.

Description

Defrosting method, defrosting system, refrigeration plant and computer-readable recording medium

Technical field

The present invention relates to technical field of refrigeration equipment, and relate more specifically to a kind of defrosting method, a kind of defrosting system, A kind of refrigeration plant and a kind of computer-readable recording medium.

Background technology

Refrigerator easily produces frosting in use, and frosting can excessively reduce the refrigeration performance of refrigerator, so that refrigerator Increase energy consumption in use, therefore refrigerator can preset defrost pattern in use, and refrigerator is entered in use Row defrosting operation.Refrigerator uses the control rule in fixed defrost cycle at present, and controls refrigerator to enter when being necessary Corresponding special pattern, when refrigerator work is normal using the fixed defrost cycle, used when refrigerator is located at some special operation conditions Special setting, but these special settings are easily strayed into when actual use, the defrost effect of refrigerator is reduced, causes ice There is the problems such as freezing, frosting in case.

The content of the invention

It is contemplated that at least solves one of technical problem present in prior art or correlation technique.

In view of this, it is an object of the invention to provide a kind of defrosting method, for refrigeration plant；

It is another object of the present invention to provide a kind of defrosting system, for refrigeration plant；

A further object of the present invention is to provide a kind of refrigeration plant；

It is yet a further object of the present invention to provide a kind of computer-readable recording medium.

To achieve these goals, the technical scheme of first aspect present invention provides a kind of defrosting method, for freezing Equipment, including：The operation duration of refrigeration plant start operation is determined with prefixed time interval；Determine refrigeration plant in each operation Multiple operational factors during duration, and determine periodic variable according to multiple operational factors；According to periodic variable and default defrost Cycle determines the target defrost cycle, so as to perform defrost when refrigeration plant is operationally long with the corresponding target defrost cycle.

In the technical scheme, first, the operation duration of refrigeration plant start operation is determined with prefixed time interval, so as to The start duration of refrigeration plant is determined, defrosting operation can be carried out in time when duration of starting shooting reaches the default defrost cycle, to system The timely defrost of cool equipment.Multiple operational factors of the refrigeration plant in each operation duration are determined, and according to multiple operational factors Determining periodic variable, it will be understood that the operational factor of refrigeration plant determines the frosting situation of refrigeration plant, therefore when refrigeration is set During standby operational factor change, frosting situation in refrigeration plant also respective change, corresponding to the frosting situation in refrigeration plant, The defrost cycle also should accordingly adjust, so as to reduce defrost cause in refrigeration plant frosting excessive not in time or defrost excessively Frequently increase the possibility that the situation of unnecessary power consumption occurs.Mesh is then determined according to periodic variable and default defrost cycle Mark the defrost cycle.It is appreciated that when the coefficient effect of multiple operational factors is beneficial to refrigeration plant frosting, target defrost week Phase is less than the default defrost cycle；When the coefficient effect of multiple operational factors is unfavorable for refrigeration plant frosting, target defrost Cycle is more than the default defrost cycle；When the coefficient effect of multiple operational factors does not influence on refrigeration plant frosting, mesh The defrost cycle is marked equal to the default defrost cycle.Therefore now, the operational factor that the target defrost cycle corresponds in operation duration, makes Defrost is performed with the corresponding target defrost cycle when refrigeration plant is operationally long, realizes that refrigeration plant is automatic according to operational factor Regulation defrost cycle, timely defrost, the stability of increase refrigerating device refrigeration performance, and can enough reduce refrigeration plant defrosting operation In unnecessary power consumption, while can also cancel the special setting in refrigeration plant, reduce caused by entering by mistake through special setting The problems such as refrigeration plant frosting, make the operation of refrigeration plant more reliable.

In the above-mentioned technical solutions, it is preferable that determine periodic variable according to multiple operational factors, specifically include：Judge every Whether individual operational factor meets corresponding preparatory condition, judged result of the generation corresponding to each operational factor；Sentenced according to each Disconnected result determines the sub- variable corresponding to judged result, to determine periodic variable according to all sub- variables.

In the technical scheme, due to multiple operational factors, therefore by judging whether each operational factor meets Corresponding preparatory condition, the judged result corresponding to each operational factor can be generated, it will be understood that whether operational factor meets Preparatory condition, whether be advantageous to the frosting of refrigeration plant corresponding to each operational factor；Therefore, determined according to each judged result After the sub- variable of judged result, the sub- variable of each operational factor corresponds to knot of each operational factor to refrigeration plant The influence of frost, therefore the periodic variable determined according to all sub- variables corresponds to shadow of the overall operation parameter to refrigeration plant frosting Ring, so as to realize refrigeration plant according to fortune after the target defrost cycle is determined according to periodic variable and default defrost cycle Row parameter automatically adjusts the defrost cycle, can either reduce because frosting excessively makes refrigeration plant in refrigeration plant caused by defrost not in time The possibility that the situation that refrigeration performance declines occurs, and can are enough reduced because defrost excessively frequently increases the situation of unnecessary power consumption The possibility of generation, increase the stability of refrigerating device refrigeration performance, reduce the power consumption of refrigeration plant defrosting operation.

In the above-mentioned technical solutions, it is preferable that when operational factor is the ambient parameter residing for refrigeration plant, in addition to： It is determined that the peak and minimum of ambient parameter, and determine that the environment of peak and minimum is poor within a preset time interval Value；Environment difference and the magnitude relationship of preset difference value are judged, when difference is more than preset difference value, it is determined that corresponding to ambient parameter Judged result is yes, and the sub- variable for determining to correspond to ambient parameter is zero, wherein, ambient parameter includes：Environment temperature, environment Humidity.

It is the environment ginseng such as environment temperature and ambient humidity residing for refrigeration plant in operational factor in the technical scheme During number, it is determined that the peak and minimum of ambient parameter within a preset time interval, and determined according to peak and minimum Environment difference, judge environment difference and the magnitude relationship of preset difference value, when difference is more than preset difference value, now determine to correspond to The judged result of ambient parameter is yes, and frosting influence of the environment difference on refrigeration plant is smaller, can ignore, it is thus determined that corresponding It is zero in the sub- variable of ambient parameter, now corresponding to ambient parameter, the target defrost cycle is constant, makes the target defrost cycle more The actual condition of refrigeration plant is fitted in, can either be reduced because frosting excessively sets refrigeration in refrigeration plant caused by defrost not in time The possibility that the situation of cold hydraulic performance decline occurs is prepared, and can is enough reduced because defrost excessively frequently increases the feelings of unnecessary power consumption The possibility that condition occurs, increase the stability of refrigerating device refrigeration performance, reduce the power consumption of refrigeration plant defrosting operation.

In the above-mentioned technical solutions, it is preferable that when operational factor is the inner parameter in refrigeration plant, in addition to：Sentence The magnitude relationship of disconnected inner parameter and parameter preset, when internally parameter is more than parameter preset, it is determined that corresponding to inner parameter Judged result is yes, and the sub- variable for determining to correspond to inner parameter is negative, wherein, inner parameter includes：It is refrigerated storage temperature, fresh-keeping Temperature, cryogenic temperature.

It is refrigerated storage temperature, preservation temperature and the cryogenic temperature in refrigeration plant in operational factor in the technical scheme During Deng inner parameter, the magnitude relationship of inner parameter and parameter preset is first determined whether, when internally parameter is more than parameter preset, really Surely the judged result of the inner parameter corresponded in refrigeration plant is yes, now refrigerated storage temperature, preservation temperature and cryogenic temperature It is more than preset value Deng inner parameter, beneficial to refrigeration plant frosting, refrigeration plant frosting velocity is accelerated, corresponding in refrigeration plant The sub- variable of portion's parameter is negative, and periodic variable reduces, therefore corresponds to inner parameter, and the target defrost cycle reduces, so as to Defrost is carried out in time, reduces the influences of the inner parameter to refrigeration plant defrost such as refrigerated storage temperature, preservation temperature, cryogenic temperature, is increased Add the stability of cool equipment refrigeration performance.

In the above-mentioned technical solutions, it is preferable that when operational factor is the enabling duration of refrigeration plant, in addition to：Judge It whether there is door opening action within a preset time interval, when door opening action be present, it is determined that the judgement knot corresponding to enabling duration Fruit is yes, and the sub- variable for determining to correspond to enabling duration is negative.

In the technical scheme, when operational factor is the enabling duration of refrigeration plant, judge within a preset time interval With the presence or absence of door opening action, if door opening action be present, it is in communication with the outside after refrigeration plant opens the door inside refrigeration plant, sets refrigeration Standby internal temperature raises, and beneficial to refrigeration plant frosting, refrigeration plant frosting velocity is accelerated, and now determines corresponding to enabling duration Judged result is yes, and determine corresponding to enabling duration sub- variable be it is negative, periodic variable reduce, therefore correspond to enabling when Long, the target defrost cycle reduces, and so as to carry out defrost in time, reduces door opening action to the influence to refrigeration plant defrost, Increase the stability of refrigerating device refrigeration performance.

In the above-mentioned technical solutions, it is preferable that in the arrange parameter that operational factor is refrigeration plant, and between preset time When interior arrange parameter changes, it is determined that the judged result corresponding to the arrange parameter of refrigeration plant is yes, and determine corresponding In the sub- variable of arrange parameter be zero.

In the technical scheme, it is the arrange parameter of refrigeration plant in operational factor, and set within a preset time interval When parameter changes, it is determined that the judged result corresponding to the arrange parameter of refrigeration plant is yes, and determines to correspond to and ginseng is set Several sub- variables are zero, i.e., are changed corresponding to arrange parameter, and the target defrost cycle is constant, the target defrost cycle is more sticked on Together in the actual condition of refrigeration plant, can either reduce because frosting excessively makes refrigeration plant in refrigeration plant caused by defrost not in time The possibility that the situation that refrigeration performance declines occurs, and can are enough reduced because defrost excessively frequently increases the situation of unnecessary power consumption The possibility of generation, increase the stability of refrigerating device refrigeration performance, reduce the power consumption of refrigeration plant defrosting operation.

In the above-mentioned technical solutions, it is preferable that the target defrost cycle is determined according to periodic variable and default defrost cycle, Specifically include：If all judged results are no, the target defrost cycle is more than the default defrost cycle；If any judged result is Be, it is determined that the target defrost cycle be default defrost cycle and periodic variable and value.

In the technical scheme, if the judged result corresponding to each operational factor is no, i.e., environment difference is less than pre- It is any if difference, inner parameter are less than parameter preset, do not change while occur in the absence of door opening action and arrange parameter Individual operational factor is unfavorable for refrigeration plant frosting, i.e. overall operation parameter is unfavorable for refrigeration plant frosting, now target defrost Cycle is more than the default defrost cycle, so as to extend the targeted frost cycle when refrigeration plant frosting is more slight, reduces not Necessary defrosting operation, the power consumption of refrigeration plant defrosting operation is reduced, save the energy.If any judged result is yes, now deposit In the operational factor beneficial to defrost, according to the sub- variable of the judged result corresponding to operational factor, periodic variable is determined, and by week Phase variable and default defrost cycle and be worth and be used as the target defrost cycle, so as to according to operational factor to the target defrost cycle It is adjusted, defrost can either be carried out in time, reduces because frosting excessively makes refrigeration plant in refrigeration plant caused by defrost not in time The possibility that the situation that refrigeration performance declines occurs, and can are enough reduced because defrost excessively frequently increases the situation of unnecessary power consumption The possibility of generation, increase the stability of refrigerating device refrigeration performance, reduce the power consumption of refrigeration plant defrosting operation.

The technical scheme of second aspect of the present invention provides a kind of defrosting system, for refrigeration plant, including：Cycle detection Unit, for determining the operation duration of refrigeration plant start operation with prefixed time interval；Parameter determination unit, for determining to make Multiple operational factors of the cool equipment in each operation duration；Variable determination unit, for determining week according to multiple operational factors Phase variable；Cycle determining unit, for determining the target defrost cycle according to periodic variable and default defrost cycle, so that refrigeration Defrost is performed with the corresponding target defrost cycle when equipment is operationally long.

In the technical scheme, when cycle detection unit determines the operation of refrigeration plant start operation with prefixed time interval It is long, so that it is determined that the start duration of refrigeration plant, can carry out defrost behaviour in time when duration of starting shooting reaches the default defrost cycle Make, to the timely defrost of refrigeration plant.Parameter determination unit determines multiple operational factors of the refrigeration plant in each operation duration, Variable determination unit determines periodic variable according to multiple operational factors, it will be understood that the operational factor of refrigeration plant determines system The frosting situation of cool equipment, therefore when the operational factor change of refrigeration plant, the frosting situation in refrigeration plant also mutually strains Change, corresponding to the frosting situation in refrigeration plant, the defrost cycle also should accordingly adjust, and be made not in time so as to reduce defrost Frosting is excessive in into refrigeration plant or defrost excessively frequently increases the possibility that the situation of unnecessary power consumption occurs.Cycle determines Unit determines the target defrost cycle according to periodic variable and default defrost cycle.It is appreciated that when multiple operational factors are total to When the effect of same-action is beneficial to refrigeration plant frosting, the target defrost cycle is less than the default defrost cycle；When multiple operational factors are total to When the effect of same-action is unfavorable for refrigeration plant frosting, the target defrost cycle is more than the default defrost cycle；When multiple operational factors When coefficient effect does not influence on refrigeration plant frosting, the target defrost cycle is equal to the default defrost cycle.Therefore now, The operational factor that the target defrost cycle corresponds in operation duration, with corresponding target defrost when making refrigeration plant operationally long Cycle performs defrost, realizes that refrigeration plant automatically adjusts the defrost cycle according to operational factor, timely defrost, increases refrigeration plant system The stability of cold performance, and can enough reduce power consumption unnecessary in refrigeration plant defrosting operation, while can also cancel refrigeration and set Special setting in standby, reduce because of the refrigeration plant frosting caused by entering by mistake through special setting the problems such as, make the operation of refrigeration plant It is more reliable.

In the above-mentioned technical solutions, it is preferable that variable determination unit, specifically include：Sub- judging unit, it is each for judging Whether operational factor meets corresponding preparatory condition, judged result of the generation corresponding to each operational factor；Collection unit, it is used for Sub- variable corresponding to judged result is determined according to each judged result, to determine periodic variable according to all sub- variables.

In the technical scheme, variable determination unit specifically includes sub- judging unit and collection unit, and sub- judging unit will Each operational factor is contrasted with corresponding preparatory condition, judges whether each operational factor meets corresponding preparatory condition, And generate the judged result corresponding to each operational factor, it will be understood that whether operational factor meets preparatory condition, corresponding to every Whether individual operational factor is advantageous to the frosting of refrigeration plant, and subsequent collection unit determines to correspond to according to each judged result to be judged As a result sub- variable, now the sub- variable of each operational factor correspond to frosting of each operational factor to refrigeration plant shadow Ring, therefore the periodic variable determined according to all sub- variables corresponds to influence of the overall operation parameter to refrigeration plant frosting, from And it can realize that refrigeration is set after cycle determining unit determines the target defrost cycle according to periodic variable and default defrost cycle It is standby that the defrost cycle is automatically adjusted according to operational factor.

In the above-mentioned technical solutions, it is preferable that sub- judging unit specifically includes：It is residing for refrigeration plant in operational factor During ambient parameter, it is determined that the peak and minimum of ambient parameter within a preset time interval, and determine peak with it is minimum The environment difference of value；Environment difference and the magnitude relationship of preset difference value are judged, when difference is more than preset difference value, it is determined that corresponding to The judged result of ambient parameter is yes；Collection unit specifically includes：It is determined that the sub- variable corresponding to ambient parameter is zero, wherein, Ambient parameter includes：Environment temperature, ambient humidity.

It is the environment ginseng such as environment temperature and ambient humidity residing for refrigeration plant in operational factor in the technical scheme During number, sub- judging unit determines the peak and minimum of ambient parameter within a preset time interval, and according to peak with Minimum determines environment difference, judges environment difference and the magnitude relationship of preset difference value, when difference is more than preset difference value, it is determined that Judged result corresponding to ambient parameter is yes, and the sub- variable that subsequent collection unit determines to correspond to ambient parameter is zero, that is, is existed When environment difference is more than preset value, frosting influence of the environment difference on refrigeration plant is smaller, can ignore.Now correspond to environment Parameter, the target defrost cycle that cycle determining unit determines according to periodic variable and default defrost cycle is constant, makes targeted The white cycle more fits in the actual condition of refrigeration plant, can either reduce because of frosting in refrigeration plant caused by defrost not in time It is make the possibility that the situation of refrigerating device refrigeration hydraulic performance decline occurs more, and can enough reduce because defrost excessively frequently increase it is unnecessary Power consumption the possibility that occurs of situation, increase the stability of refrigerating device refrigeration performance, reduce refrigeration plant defrosting operation Power consumption.

In the above-mentioned technical solutions, it is preferable that sub- judging unit specifically includes：Operational factor be refrigeration plant in During portion's parameter, the magnitude relationship of inner parameter and parameter preset is judged, when internally parameter is more than parameter preset, it is determined that corresponding to The judged result of inner parameter is yes；Collection unit specifically includes：It is determined that the sub- variable corresponding to inner parameter is negative, wherein, Inner parameter includes：Refrigerated storage temperature, preservation temperature, cryogenic temperature.

It is refrigerated storage temperature, preservation temperature and the cryogenic temperature in refrigeration plant in operational factor in the technical scheme Deng inner parameter when, sub- judging unit judges the magnitude relationship of inner parameter and parameter preset, and internally parameter is more than default ginseng During number, it is determined that the judged result corresponding to the inner parameter in refrigeration plant is yes, now refrigerated storage temperature, preservation temperature and cold Freeze the inner parameters such as temperature and be more than preset value, beneficial to refrigeration plant frosting, refrigeration plant frosting velocity is accelerated, and collection unit is corresponding It is negative in the sub- variable of the inner parameter of refrigeration plant, now periodic variable reduces, therefore corresponds to inner parameter, and the cycle determines The target defrost cycle that unit determines according to periodic variable and default defrost cycle reduces, so as to carry out defrost in time, Increase the stability of refrigerating device refrigeration performance.

In the above-mentioned technical solutions, it is preferable that sub- judging unit specifically includes：In the enabling that operational factor is refrigeration plant During duration, judgement whether there is door opening action within a preset time interval, when door opening action be present, it is determined that when corresponding to enabling Long judged result is yes；Collection unit specifically includes：It is determined that the sub- variable corresponding to enabling duration is negative.

In the technical scheme, when operational factor is the enabling duration of refrigeration plant, sub- judging unit is judged default It whether there is door opening action in time interval, it is inside refrigeration plant and extraneous after refrigeration plant opens the door when door opening action be present Connection, raise refrigeration plant internal temperature, beneficial to refrigeration plant frosting, refrigeration plant frosting velocity is accelerated, now determination pair Should be yes in the judged result of enabling duration, it is later determined that the sub- variable corresponding to enabling duration is negative, periodic variable reduces, because This corresponds to enabling duration, and the target defrost cycle that cycle determining unit determines according to periodic variable and default defrost cycle subtracts It is small, so as to carry out defrost in time, increase the stability of refrigerating device refrigeration performance.

In the above-mentioned technical solutions, it is preferable that sub- judging unit specifically includes：In the setting that operational factor is refrigeration plant Parameter, and when arrange parameter changes within a preset time interval, it is determined that the judgement of the arrange parameter corresponding to refrigeration plant As a result it is yes；Collection unit specifically includes：It is determined that the sub- variable corresponding to arrange parameter is zero.

In the technical scheme, it is the arrange parameter of refrigeration plant in operational factor, and set within a preset time interval When parameter changes, sub- judging unit determines that the judged result of the arrange parameter corresponding to refrigeration plant is yes, then collects Unit determines that corresponding to the sub- variable of arrange parameter be zero, i.e., is changed corresponding to arrange parameter, cycle determining unit according to The target defrost cycle that periodic variable and default defrost cycle determine is constant, the target defrost cycle is more fitted in refrigeration and sets Standby actual condition, it can either reduce because frosting excessively makes under refrigerating device refrigeration performance in refrigeration plant caused by defrost not in time The possibility that the situation of drop occurs, and can enough reduce the possibility for excessively frequently increasing the situation of unnecessary power consumption by defrost and occurring Property, increase the stability of refrigerating device refrigeration performance, reduce the power consumption of refrigeration plant defrosting operation.

In the above-mentioned technical solutions, it is preferable that cycle determining unit, be specifically used for：If all judged results are no, The target defrost cycle is more than the default defrost cycle；If any judged result is yes, it is determined that the target defrost cycle is default defrost Cycle and periodic variable and value.

In the technical scheme, if judged result corresponding to each operational factor is no, i.e., environment difference is less than default When difference, inner parameter are less than parameter preset, do not change while occur in the absence of door opening action and arrange parameter, any one Operational factor is unfavorable for refrigeration plant frosting, i.e. overall operation parameter is unfavorable for refrigeration plant frosting, and now cycle determination is single The target defrost cycle that member determines is more than the default defrost cycle, so as to extend target when refrigeration plant frosting is more slight In the defrost cycle, unnecessary defrosting operation is reduced, reduce the power consumption of refrigeration plant defrosting operation, save the energy.If any judgement As a result it is yes, the operational factor beneficial to defrost is now present, collection unit determines to correspond to according to each judged result judges knot The sub- variable of fruit, and determine periodic variable according to all sub- variables, cycle determining unit is by periodic variable and default defrost cycle And value be used as the target defrost cycle, so as to be adjusted according to operational factor to the target defrost cycle, changed in time Frost, it can either reduce because frosting excessively sends out the situation of refrigerating device refrigeration hydraulic performance decline in refrigeration plant caused by defrost not in time Raw possibility, and can enough reduce the possibility for excessively frequently increasing the situation of unnecessary power consumption by defrost and occurring, increase system The stability of cool equipment refrigeration performance, reduce the power consumption of refrigeration plant defrosting operation.

The technical scheme of third aspect present invention provides to be used in a kind of refrigeration plant, including any of the above-described technical scheme In the defrosting system of refrigeration plant, wherein, refrigeration plant includes refrigerator.

In the technical scheme, the defrosting system in refrigeration plant can be realized in any of the above-described kind of technical scheme when working Defrosting method, defrost can be carried out in time according to the defrost cycle of the operational factor adjust automatically refrigeration plant of refrigeration plant, It can either reduce because frosting excessively occurs the situation of refrigerating device refrigeration hydraulic performance decline in refrigeration plant caused by defrost not in time Possibility, and can enough reduce because defrost excessively frequently increase unnecessary power consumption situation occur possibility, increase refrigeration The stability of equipment refrigeration performance, reduce the power consumption of refrigeration plant defrosting operation.

Wherein, refrigeration plant includes but is not limited to refrigerator.

The technical scheme of fourth aspect present invention provides a kind of computer-readable recording medium, is stored thereon with computer Program, the defrosting method of any of the above-described is realized when computer program is executed by processor.

In the technical scheme, it can be realized when the computer program in computer-readable recording medium is executed by processor The defrosting method any one of stated, can be according to the defrost cycle of the operational factor adjust automatically refrigeration plant of refrigeration plant, in time Defrost is carried out, can either be reduced because frosting excessively makes refrigerating device refrigeration hydraulic performance decline in refrigeration plant caused by defrost not in time The possibility that situation occurs, and can enough reduce the possibility for excessively frequently increasing the situation of unnecessary power consumption by defrost and occurring, Increase the stability of refrigerating device refrigeration performance, reduce the power consumption of refrigeration plant defrosting operation.

The additional aspect and advantage of the present invention will become obvious in following description section, or the practice by the present invention Recognize.

Brief description of the drawings

Fig. 1 shows the schematic flow sheet of the defrosting method of embodiment 1；

Fig. 2 shows the schematic flow sheet of the defrosting method of embodiment 2；

Fig. 3 shows the schematic flow sheet of the defrosting method of embodiment 7；

Fig. 4 shows the structural representation of the defrosting system of embodiment 8；

Fig. 5 shows the structural representation of the defrosting system of embodiment 9.

Embodiment

It is below in conjunction with the accompanying drawings and specific real in order to which the above objects, features and advantages of the present invention can be more clearly understood that Mode is applied the present invention is further described in detail.It should be noted that in the case where not conflicting, the implementation of the application Feature in example and embodiment can be mutually combined.

Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still, the present invention may be used also To be different from other modes described here using other to implement, therefore, protection scope of the present invention is not by described below Specific embodiment limitation.

Described referring to Fig. 1 to Fig. 5 according to some embodiments of the present invention.

Embodiment 1：

Fig. 1 shows the schematic flow sheet of the defrosting method of the present embodiment；

As shown in figure 1, a kind of defrosting method, for refrigeration plant, including：

Step S102, the operation duration of refrigeration plant start operation is determined with prefixed time interval；

Step S104, multiple operational factors of the refrigeration plant in each operation duration are determined, and joined according to multiple operations Number determines periodic variable；

Step S106, the target defrost cycle is determined according to periodic variable and default defrost cycle, so that refrigeration plant exists Defrost is performed with the corresponding target defrost cycle during operation duration.

In the present embodiment, step S102, with prefixed time interval determine refrigeration plant start operation operation duration, so as to The start duration of refrigeration plant is determined, defrosting operation can be carried out in time when duration of starting shooting reaches the default defrost cycle, to system The timely defrost of cool equipment.Step S104, multiple operational factors of the refrigeration plant in each operation duration are determined, and according to multiple Operational factor determines periodic variable, it will be understood that the operational factor of refrigeration plant determines the frosting situation of refrigeration plant, therefore When the operational factor change of refrigeration plant, frosting situation in refrigeration plant also respective change, corresponding in refrigeration plant Frosting situation, defrost cycle also should accordingly adjust, and cause frosting in refrigeration plant excessive not in time so as to reduce defrost Or defrost excessively frequently increases the possibility that the situation of unnecessary power consumption occurs.Step S106, according to periodic variable and in advance If the defrost cycle determines the target defrost cycle.It is appreciated that when the coefficient effect of multiple operational factors is beneficial to refrigeration plant During frosting, the target defrost cycle is less than the default defrost cycle；Set when the coefficient effect of multiple operational factors is unfavorable for refrigeration During standby frosting, the target defrost cycle is more than the default defrost cycle；When the coefficient effect of multiple operational factors is to refrigeration plant When frosting does not influence, the target defrost cycle is equal to the default defrost cycle.Therefore now, when the target defrost cycle corresponds to operation Operational factor in length, defrost is performed with the corresponding target defrost cycle when making refrigeration plant operationally long, realizes that refrigeration is set Standby to automatically adjust the defrost cycle according to operational factor, timely defrost increases the stability of refrigerating device refrigeration performance, and and can enough subtracts Unnecessary power consumption in few refrigeration plant defrosting operation, while can also cancel the special setting in refrigeration plant, reduce because by mistake Into the problems such as refrigeration plant frosting, making caused by special setting, the operation of refrigeration plant is more reliable.

Embodiment 2：

Fig. 2 shows the schematic flow sheet of the defrosting method of the present embodiment；

As shown in Fig. 2 a kind of defrosting method, for refrigeration plant, including：

Step S202, the operation duration of refrigeration plant start operation is determined with prefixed time interval；

Step S204, determine multiple operational factors of the refrigeration plant in each operation duration；

Step S206, judges whether each operational factor is satisfied with preparatory condition, and generation is corresponding to each operational factor Judged result；

Step S208, the sub- variable corresponding to each judged result is determined according to each judged result, with according to all sons Variable determines periodic variable；

Step S210, the target defrost cycle is determined according to periodic variable and default defrost cycle, so that refrigeration plant exists Defrost is performed with the corresponding target defrost cycle during operation duration.

In the present embodiment, step S202, with prefixed time interval determine refrigeration plant start operation operation duration, so as to The start duration of refrigeration plant is determined, defrosting operation can be carried out in time when duration of starting shooting reaches the default defrost cycle, to system The timely defrost of cool equipment.Step S204, determines multiple operational factors of the refrigeration plant in each operation duration, step S206, Judge whether each operational factor meets corresponding preparatory condition, generation, can be with corresponding to the judged result of each operational factor Understand, whether operational factor meets preparatory condition, whether be advantageous to the frosting of refrigeration plant corresponding to each operational factor；Step S208, the sub- variable corresponding to judged result is determined according to each judged result, the sub- variable of each operational factor corresponds to often The influence of frosting of the individual operational factor to refrigeration plant, therefore the periodic variable determined according to all sub- variables corresponds to overall transport Influence of the row parameter to refrigeration plant frosting, step S210, target defrost is determined according to periodic variable and default defrost cycle Cycle, so as to perform defrost when refrigeration plant is operationally long with the corresponding target defrost cycle.Realize refrigeration plant according to fortune Row parameter automatically adjusts the defrost cycle, can either reduce because frosting excessively makes refrigeration plant in refrigeration plant caused by defrost not in time The possibility that the situation that refrigeration performance declines occurs, and can are enough reduced because defrost excessively frequently increases the situation of unnecessary power consumption The possibility of generation, increase the stability of refrigerating device refrigeration performance, reduce the power consumption of refrigeration plant defrosting operation.

Embodiment 3：

On the basis of embodiment 2, when operational factor is the ambient parameter residing for refrigeration plant, in addition to：It is determined that The peak and minimum of ambient parameter in prefixed time interval, and determine the environment difference of peak and minimum；Judge The magnitude relationship of environment difference and preset difference value, when difference is more than preset difference value, it is determined that the judgement knot corresponding to ambient parameter Fruit is yes, and the sub- variable for determining to correspond to ambient parameter is zero, wherein, in the present embodiment, ambient parameter is ambient humidity.

It is the ambient humidities such as environment temperature and the ambient humidity residing for refrigeration plant in operational factor in the present embodiment When, it is determined that the peak and minimum of ambient humidity within a preset time interval, and ring is determined according to peak and minimum Border difference, judge environment difference and the magnitude relationship of preset difference value, when difference is more than preset difference value, now determine to correspond to ring The judged result of border humidity is yes, and frosting influence of the environment difference on refrigeration plant is smaller, can ignore, it is thus determined that corresponding to The sub- variable of ambient humidity is zero, and now corresponding to ambient humidity, the target defrost cycle is constant, the target defrost cycle is more sticked on Together in the actual condition of refrigeration plant, can either reduce because frosting excessively makes refrigeration plant in refrigeration plant caused by defrost not in time The possibility that the situation that refrigeration performance declines occurs, and can are enough reduced because defrost excessively frequently increases the situation of unnecessary power consumption The possibility of generation, increase the stability of refrigerating device refrigeration performance, reduce the power consumption of refrigeration plant defrosting operation.

What deserves to be explained is ambient parameter includes but is not limited to environment temperature and ambient humidity, ambient parameter.

Embodiment 4：

On the basis of embodiment 2 or 3, when operational factor is the inner parameter in refrigeration plant, in addition to：In judgement The magnitude relationship of portion's parameter and parameter preset, when internally parameter is more than parameter preset, it is determined that the judgement corresponding to inner parameter As a result it is yes, and the sub- variable for determining to correspond to inner parameter is negative, wherein, in the present embodiment, refrigeration plant is refrigerator, internal Parameter is refrigerated storage temperature.

In the present embodiment, when operational factor is the refrigerated storage temperature in refrigerator, refrigerated storage temperature and parameter preset are first determined whether Magnitude relationship, when refrigerated storage temperature is more than parameter preset, it is determined that corresponding to the refrigerated storage temperature in refrigerator judged result be it is yes, Now the refrigerated storage temperature such as refrigerated storage temperature, preservation temperature and cryogenic temperature is more than preset value, beneficial to refrigerator frosting, refrigerator frosting speed Degree is accelerated, and the sub- variable corresponding to the refrigerated storage temperature of refrigerator is negative, and periodic variable reduces, therefore corresponds to refrigerated storage temperature, target The defrost cycle reduces, and so as to carry out defrost in time, reduces the refrigerated storage temperatures pair such as refrigerated storage temperature, preservation temperature, cryogenic temperature The influence of refrigerator defrost, increase the stability of refrigeration for refrigerator performance.

What deserves to be explained is inner parameter includes but is not limited to refrigerated storage temperature, preservation temperature and cryogenic temperature.

Embodiment 5：

On the basis of embodiment 4, when operational factor is the enabling duration of refrigeration plant, in addition to：Judge default Whether there is door opening action in time interval, when door opening action be present, it is determined that corresponding to enabling duration judged result be it is yes, And the sub- variable for determining to correspond to enabling duration is negative.In the present embodiment, refrigeration plant is refrigerator.

In the present embodiment, when operational factor is the enabling duration of refrigerator, judgement whether there is within a preset time interval Door opening action, if door opening action be present, refrigerator inside is in communication with the outside after refrigerator open, raises internal temperature of refrigerator, is beneficial to Refrigerator frosting, refrigerator frosting velocity are accelerated, and the judged result for now determining to correspond to enabling duration is yes, and determine to correspond to and open The sub- variable of door duration is negative, and periodic variable reduces, therefore corresponds to enabling duration, and the target defrost cycle reduces, so as to Defrost is carried out in time, reduces door opening action to the influence to refrigerator defrost, the stability of increase refrigeration for refrigerator performance.

Embodiment 6：

On the basis of embodiment 5, it is the arrange parameter of refrigeration plant in operational factor, and set within a preset time interval When putting parameter and changing, it is determined that the judged result corresponding to the arrange parameter of refrigeration plant is yes, and determines to correspond to and set The sub- variable of parameter is zero.

In the present embodiment, the arrange parameter in operational factor for refrigeration plant, and arrange parameter within a preset time interval When changing, it is determined that the judged result corresponding to the arrange parameter of refrigeration plant is yes, and determine corresponding to arrange parameter Sub- variable is zero, i.e., is changed corresponding to arrange parameter, and the target defrost cycle is constant, the target defrost cycle is more fitted in The actual condition of refrigeration plant, it can either reduce because frosting excessively makes refrigerating device refrigeration in refrigeration plant caused by defrost not in time The possibility that the situation of hydraulic performance decline occurs, and can are enough reduced because defrost excessively frequently increases the situation generation of unnecessary power consumption Possibility, increase refrigerating device refrigeration performance stability, reduce refrigeration plant defrosting operation power consumption.

Embodiment 7：

Fig. 3 shows the schematic flow sheet of the defrosting method of the present embodiment；

As shown in figure 3, a kind of defrosting method, for refrigeration plant, including：

Step S302, the operation duration of refrigeration plant start operation is determined with prefixed time interval；

Step S304, determine multiple operational factors of the refrigeration plant in each operation duration；

Step S306, it is determined that the peak and minimum of environment temperature, and determine peak within a preset time interval With the environment difference of minimum；

Step S308, judges whether environment difference is more than preset difference value, generates the first judged result；

If the first judged result is yes, step S310 is performed, it is determined that the sub- variable corresponding to environment temperature is zero；

Step 312, judge whether refrigerated storage temperature is more than parameter preset, generate the second judged result；

If the second judged result is yes, step S314 is performed, it is determined that the sub- variable corresponding to refrigerated storage temperature is negative；

Step S316, door opening action is judged whether, generate the 3rd judged result；

If the 3rd judged result is yes, step S318 is performed, it is determined that the sub- variable corresponding to enabling duration is negative；

Step S320, judge whether arrange parameter changes in prefixed time interval, generate the 4th judged result；

If the 4th judged result is yes, step S322 is performed, it is determined that the sub- variable corresponding to arrange parameter is zero；

Step S324, judge whether all judged results are no, generate the 5th judged result；

If the 5th judged result is yes, step S326 is performed, it is preset the defrost cycle three to determine the target defrost cycle Times；

Otherwise, step S328 is performed, periodic variable is determined according to all sub- variables, and according to periodic variable and defaultization The white cycle determines the target defrost cycle；

Step S330, defrost is performed with the corresponding target defrost cycle when making refrigeration plant operationally long.

Wherein, in the present embodiment, environment temperature is one kind of ambient parameter, and refrigerated storage temperature is one kind of inner parameter.

In the present embodiment, step S302, with prefixed time interval determine refrigeration plant start operation operation duration, so as to The start duration of refrigeration plant is determined, defrosting operation can be carried out in time when duration of starting shooting reaches the default defrost cycle, to system The timely defrost of cool equipment.Step S304, determines multiple operational factors of the refrigeration plant in each operation duration, in the present embodiment Whether operational factor includes environment temperature, refrigerated storage temperature, changes with the presence or absence of door opening action and arrange parameter.Step S306, It is determined that the peak and minimum of environment temperature, and determine that the environment of peak and minimum is poor within a preset time interval Value.Step S308, judges whether environment difference is more than preset difference value, generates the first judged result, if the first judged result is yes, I.e. when difference is more than preset difference value, now frosting influence of the environment difference on refrigeration plant is smaller, can ignore, step S310, it is determined that the sub- variable corresponding to environment temperature is zero, the target defrost cycle is set more to fit in the actual work of refrigeration plant Condition.Step 312, judge whether refrigerated storage temperature is more than parameter preset, generate the second judged result, if the second judged result is yes, When refrigerated storage temperature is more than parameter preset, it is determined that corresponding to the refrigerated storage temperature in refrigeration plant judged result be it is yes, it is now cold Hide temperature and be more than preset value, beneficial to refrigeration plant frosting, refrigeration plant frosting velocity is accelerated, step S314, it is determined that corresponding to cold The sub- variable for hiding temperature is negative, and periodic variable reduces, therefore corresponds to refrigerated storage temperature, and the target defrost cycle reduces, so as to Defrost is carried out in time, reduces influence of the refrigerated storage temperature to refrigeration plant defrost.Step S316, judges whether door opening action, Generate the 3rd judged result, if the 3rd judged result is yes, door opening action be present, after refrigeration plant opens the door inside refrigeration plant with External world's connection, raises refrigeration plant internal temperature, and beneficial to refrigeration plant frosting, refrigeration plant frosting velocity is accelerated, step S318, it is determined that the sub- variable corresponding to enabling duration is negative, periodic variable reduces, therefore corresponds to enabling duration, target defrost Cycle reduces, and so as to carry out defrost in time, reduces door opening action to the influence to refrigeration plant defrost.Step S320, sentences Whether arrange parameter changes in disconnected prefixed time interval, the 4th judged result is generated, if the 4th judged result is yes, step S322, it is determined that the sub- variable corresponding to arrange parameter is zero, i.e., changed corresponding to arrange parameter, the target defrost cycle is not Become, the target defrost cycle is more fitted in the actual condition of refrigeration plant, step S324, judge whether all judged results are equal It is no, generates the 5th judged result, if the 5th judged result is, i.e., environment difference is less than preset difference value, refrigerated storage temperature is less than in advance Setting parameter, when not changing while occurring in the absence of door opening action and arrange parameter, any one operational factor is unfavorable for making Cool equipment frosting, i.e. overall operation parameter are unfavorable for refrigeration plant frosting, and step S326, it is defaultization to determine the target defrost cycle Three times of white cycle, extend the target defrost cycle, reduce unnecessary defrosting operation, reduce the consumption of refrigeration plant defrosting operation Can, the energy is saved, otherwise, performs step S328, periodic variable is determined according to all sub- variables, and according to periodic variable and in advance If the defrost cycle determines the target defrost cycle, so as to be adjusted according to operational factor to the target defrost cycle.Step S330, defrost is performed with the corresponding target defrost cycle when making refrigeration plant operationally long, defrost can either be carried out in time, subtracted It is few because frosting excessively makes the possibility that the situation of refrigerating device refrigeration hydraulic performance decline occurs in refrigeration plant caused by defrost not in time, And can enough reduces the possibility for excessively frequently increasing the situation of unnecessary power consumption by defrost and occurring, and increases refrigerating device refrigeration The stability of energy, reduce the power consumption of refrigeration plant defrosting operation.

Embodiment 8：

Fig. 4 shows the structural representation of the defrosting system of the present embodiment；

As shown in figure 4, a kind of defrosting system 400, for refrigeration plant, including：

Cycle detection unit 402, for determining the operation duration of refrigeration plant start operation with prefixed time interval；

Parameter determination unit 404, for determining multiple operational factors of the refrigeration plant in each operation duration；

Variable determination unit 406, for determining periodic variable according to multiple operational factors；

Cycle determining unit 408, for determining the target defrost cycle according to periodic variable and default defrost cycle, so that Defrost is performed with the corresponding target defrost cycle when refrigeration plant is operationally long.

In the present embodiment, when cycle detection unit 402 determines the operation of refrigeration plant start operation with prefixed time interval It is long, so that it is determined that the start duration of refrigeration plant, can carry out defrost behaviour in time when duration of starting shooting reaches the default defrost cycle Make, to the timely defrost of refrigeration plant.Parameter determination unit 404 determines multiple operations ginseng of the refrigeration plant in each operation duration Number, variable determination unit 406 determine periodic variable according to multiple operational factors, it will be understood that the operational factor of refrigeration plant is determined Determine the frosting situation of refrigeration plant, therefore when the operational factor change of refrigeration plant, the frosting situation in refrigeration plant Respective change, corresponding to the frosting situation in refrigeration plant, the defrost cycle also should accordingly adjust, so as to reduce defrost not Cause frosting in refrigeration plant excessive in time or defrost excessively frequently increases the possibility that the situation of unnecessary power consumption occurs.Week Phase determining unit 408 determines the target defrost cycle according to periodic variable and default defrost cycle.It is appreciated that work as multiple fortune When the coefficient effect of row parameter is beneficial to refrigeration plant frosting, the target defrost cycle is less than the default defrost cycle；When multiple fortune When the coefficient effect of row parameter is unfavorable for refrigeration plant frosting, the target defrost cycle is more than the default defrost cycle；When multiple When the coefficient effect of operational factor does not influence on refrigeration plant frosting, the target defrost cycle is equal to the default defrost cycle. Therefore now, the operational factor that the target defrost cycle corresponds in operation duration, with corresponding when making refrigeration plant operationally long The target defrost cycle perform defrost, realize that refrigeration plant automatically adjusts the defrost cycle according to operational factor, timely defrost, increase The stability of refrigerating device refrigeration performance, and can enough reduces power consumption unnecessary in refrigeration plant defrosting operation, while also can Cancel the special setting in refrigeration plant, reduce because of the refrigeration plant frosting caused by entering by mistake through special setting the problems such as, make refrigeration The operation of equipment is more reliable.

Embodiment 9：

Fig. 5 shows the structural representation of the defrosting system of the present embodiment；

As shown in figure 5, a kind of defrosting system 500, for refrigeration plant, including：

Cycle detection unit 502, for determining the operation duration of refrigeration plant start operation with prefixed time interval；

Parameter determination unit 504, for determining multiple operational factors of the refrigeration plant in each operation duration；

Sub- judging unit 506, for judging whether each operational factor meets corresponding preparatory condition, generation corresponds to every The judged result of individual operational factor；

Collection unit 508, for determining the sub- variable corresponding to judged result according to each judged result, with according to all Sub- variable determines periodic variable.

Cycle determining unit 510, for determining the target defrost cycle according to periodic variable and default defrost cycle, so that Defrost is performed with the corresponding target defrost cycle when refrigeration plant is operationally long.

In the present embodiment, when cycle detection unit 502 determines the operation of refrigeration plant start operation with prefixed time interval It is long, so that it is determined that the start duration of refrigeration plant, can carry out defrost behaviour in time when duration of starting shooting reaches the default defrost cycle Make, to the timely defrost of refrigeration plant.Parameter determination unit 504 determines multiple operations ginseng of the refrigeration plant in each operation duration Number, sub- judging unit 506 are contrasted each operational factor with corresponding preparatory condition, judge whether each operational factor is full Preparatory condition corresponding to foot, and generate the judged result corresponding to each operational factor, it will be understood that whether operational factor meets Whether preparatory condition, be advantageous to the frosting of refrigeration plant corresponding to each operational factor, and subsequent collection unit 508 is sentenced according to each Disconnected result determines the sub- variable corresponding to judged result, and now the sub- variable of each operational factor corresponds to each operational factor pair The influence of the frosting of refrigeration plant, therefore the periodic variable determined according to all sub- variables corresponds to overall operation parameter to refrigeration The influence cycle determining unit 510 of equipment frosting determines the target defrost cycle according to periodic variable and default defrost cycle. So as to realize refrigeration after cycle determining unit determines the target defrost cycle according to periodic variable and default defrost cycle Equipment automatically adjusts the defrost cycle according to operational factor.

Embodiment 10：

On the basis of embodiment 9, sub- judging unit specifically includes：It is the environment ginseng residing for refrigeration plant in operational factor During number, it is determined that the peak and minimum of ambient parameter, and determine the ring of peak and minimum within a preset time interval Border difference；Environment difference and the magnitude relationship of preset difference value are judged, when difference is more than preset difference value, it is determined that joining corresponding to environment Several judged results is yes；Collection unit specifically includes：It is determined that the sub- variable corresponding to ambient parameter is zero, wherein, this implementation In example, ambient parameter is environment temperature.

It is the environment temperatures such as environment temperature and the ambient humidity residing for refrigeration plant in operational factor in the present embodiment When, sub- judging unit determines the peak and minimum of environment temperature within a preset time interval, and according to peak and most Low value determines environment difference, judges environment difference and the magnitude relationship of preset difference value, when difference is more than preset difference value, it is determined that pair Should be yes in the judged result of environment temperature, the sub- variable that subsequent collection unit determines to correspond to environment temperature is zero, i.e., in ring When border difference is more than preset value, frosting influence of the environment difference on refrigeration plant is smaller, can ignore.Now correspond to environment temperature Degree, the target defrost cycle that cycle determining unit determines according to periodic variable and default defrost cycle is constant, makes target defrost Cycle more fits in the actual condition of refrigeration plant, can either reduce because frosting is excessive in refrigeration plant caused by defrost not in time The possibility that the situation of refrigerating device refrigeration hydraulic performance decline occurs, and can enough reduce because defrost excessively frequently increase it is unnecessary The possibility that the situation of power consumption occurs, increase the stability of refrigerating device refrigeration performance, reduce the consumption of refrigeration plant defrosting operation Energy.

What deserves to be explained is ambient parameter includes but is not limited to environment temperature and ambient humidity.

Embodiment 11：

On the basis of embodiment 10, sub- judging unit specifically includes：It is the inside ginseng in refrigeration plant in operational factor During number, the magnitude relationship of inner parameter and parameter preset is judged, when internally parameter is more than parameter preset, it is determined that corresponding to inside The judged result of parameter is yes；Collection unit specifically includes：It is determined that the sub- variable corresponding to inner parameter is negative, wherein, this reality Apply in example, inner parameter is preservation temperature.

It is that refrigerated storage temperature, preservation temperature and cryogenic temperature in refrigeration plant etc. is protected in operational factor in the present embodiment During fresh temperature, sub- judging unit judges preservation temperature and the magnitude relationship of parameter preset, when preservation temperature is more than parameter preset, It is determined that the judged result corresponding to the preservation temperature in refrigeration plant is yes, now refrigerated storage temperature, preservation temperature and freezing are warm The preservation temperatures such as degree are more than preset value, and beneficial to refrigeration plant frosting, refrigeration plant frosting velocity is accelerated, and collection unit determines corresponding It is negative in the sub- variable of the preservation temperature of refrigeration plant, now periodic variable reduces, therefore corresponds to preservation temperature, and the cycle determines The target defrost cycle that unit determines according to periodic variable and default defrost cycle reduces, so as to carry out defrost in time, Increase the stability of refrigerating device refrigeration performance.

Embodiment 12：

On the basis of embodiment 11, sub- judging unit specifically includes：In the enabling duration that operational factor is refrigeration plant When, judgement whether there is door opening action within a preset time interval, when door opening action be present, it is determined that corresponding to enabling duration Judged result is yes；Collection unit specifically includes：It is determined that the sub- variable corresponding to enabling duration is negative.

In the present embodiment, when operational factor is the enabling duration of refrigeration plant, sub- judging unit is judged in preset time Whether there is door opening action in interval, when door opening action be present, being in communication with the outside after refrigeration plant opens the door inside refrigeration plant, Raise refrigeration plant internal temperature, beneficial to refrigeration plant frosting, refrigeration plant frosting velocity is accelerated, and now determines to correspond to and opens The judged result of door duration is yes, it is later determined that the sub- variable corresponding to enabling duration is negative, periodic variable reduces, therefore correspondingly In enabling duration, the target defrost cycle that cycle determining unit determines according to periodic variable and default defrost cycle reduces, from And defrost can be carried out in time, increase the stability of refrigerating device refrigeration performance.

Embodiment 13：

On the basis of embodiment 12, sub- judging unit specifically includes：Arrange parameter in operational factor for refrigeration plant, And when arrange parameter changes within a preset time interval, it is determined that being corresponding to the judged result of the arrange parameter of refrigeration plant It is；Collection unit specifically includes：It is determined that the sub- variable corresponding to arrange parameter is zero.

In the present embodiment, the arrange parameter in operational factor for refrigeration plant, and arrange parameter within a preset time interval When changing, sub- judging unit determines that the judged result of the arrange parameter corresponding to refrigeration plant is yes, subsequent collection unit It is determined that the sub- variable corresponding to arrange parameter is zero, i.e., changed corresponding to arrange parameter, the cycle, determining unit was according to the cycle The target defrost cycle that variable and default defrost cycle determine is constant, the target defrost cycle is more fitted in refrigeration plant Actual condition, it can either reduce because frosting excessively makes refrigerating device refrigeration hydraulic performance decline in refrigeration plant caused by defrost not in time The possibility that situation occurs, and can enough reduce the possibility for excessively frequently increasing the situation of unnecessary power consumption by defrost and occurring, Increase the stability of refrigerating device refrigeration performance, reduce the power consumption of refrigeration plant defrosting operation.

Embodiment 14：

On the basis of embodiment 13, cycle determining unit, it is specifically used for：If all judged results are no, target The defrost cycle is more than the default defrost cycle；If any judged result is yes, it is determined that the target defrost cycle is the default defrost cycle With periodic variable and value.

In the present embodiment, if all judged results are no, i.e., environment difference is less than preset difference value, inner parameter is less than in advance Setting parameter, when not changing while occurring in the absence of door opening action and arrange parameter, any one operational factor is unfavorable for making Cool equipment frosting, i.e. overall operation parameter are unfavorable for refrigeration plant frosting, the target defrost week that now cycle determining unit determines Phase is more than the default defrost cycle, and so as to extend the targeted frost cycle when refrigeration plant frosting is more slight, reduction need not The defrosting operation wanted, the power consumption of refrigeration plant defrosting operation is reduced, save the energy.If any judged result is yes, now exist Beneficial to the operational factor of defrost, sub- variable of the collection unit according to the determination of each judged result corresponding to judged result, and according to After all sub- variables determine periodic variable, cycle determining unit using periodic variable and default defrost cycle and be worth as targeted In the white cycle, so as to be adjusted according to operational factor to the target defrost cycle, defrost is carried out in time, can either reduce because changing Frost causes in refrigeration plant frosting excessively to make the possibility that the situation of refrigerating device refrigeration hydraulic performance decline occurs not in time, and and can is enough The possibility for excessively frequently increasing the situation of unnecessary power consumption by defrost and occurring is reduced, increases the steady of refrigerating device refrigeration performance It is qualitative, reduce the power consumption of refrigeration plant defrosting operation.

Embodiment 15：

Present embodiments provide the defrost system for being used for refrigeration plant in a kind of refrigeration plant, including any of the above-described embodiment System, wherein, refrigeration plant is refrigerator in the present embodiment.

In the present embodiment, the defrosting system in refrigerator can realize the defrost side in any of the above-described kind of technical scheme when working Method, it can carry out defrost in time according to the defrost cycle of the operational factor adjust automatically refrigerator of refrigerator, can either reduce because of defrost Frosting in refrigerator is caused excessively to make the possibility that the situation of refrigeration for refrigerator hydraulic performance decline occurs not in time, and can is enough reduced because of defrost Excessively frequently increase the possibility that the situation of unnecessary power consumption occurs, increase the stability of refrigeration for refrigerator performance, reduce refrigerator The power consumption of defrosting operation.

What deserves to be explained is cool equipment includes but is not limited to refrigerator.

Embodiment 16:

A kind of computer-readable recording medium is present embodiments provided, is stored thereon with computer program, computer program The defrosting method of any of the above-described is realized when being executed by processor.

In the present embodiment, above-mentioned can be realized when the computer program in computer-readable recording medium is executed by processor The defrosting method of one, it can be carried out in time according to the defrost cycle of the operational factor adjust automatically refrigeration plant of refrigeration plant Defrost, it can either reduce because frosting excessively makes the situation of refrigerating device refrigeration hydraulic performance decline in refrigeration plant caused by defrost not in time The possibility of generation, and can enough reduce the possibility for excessively frequently increasing the situation of unnecessary power consumption by defrost and occurring, increase The stability of refrigerating device refrigeration performance, reduce the power consumption of refrigeration plant defrosting operation.

Technical scheme is described in detail above in association with accompanying drawing, being capable of basis by technical scheme In the defrost cycle of the operational factor adjust automatically refrigeration plant of refrigeration plant, defrost is carried out in time, can either be reduced because of defrost not Frosting in refrigeration plant is caused excessively to make the possibility that the situation of refrigerating device refrigeration hydraulic performance decline occurs in time, and can is enough reduced Because defrost excessively frequently increases the possibility of the situation generation of unnecessary power consumption, increase the stabilization of refrigerating device refrigeration performance Property, reduce the power consumption of refrigeration plant defrosting operation.

In the present invention, term " first ", " second ", " the 3rd " are only used for the purpose described, and it is not intended that instruction Or imply relative importance；Term " multiple " then refers to two or more, is limited unless otherwise clear and definite.Term " installation ", The term such as " connected ", " connection ", " fixation " all should be interpreted broadly, for example, " connection " can be fixedly connected or can Dismantling connection, or be integrally connected；" connected " can be joined directly together, and can also be indirectly connected by intermediary.For this For the those of ordinary skill in field, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.

In description of the invention, it is to be understood that the instruction such as term " on ", " under ", "left", "right", "front", "rear" Orientation or position relationship are based on orientation shown in the drawings or position relationship, are for only for ease of the description present invention and simplification is retouched State, rather than instruction or imply signified device or unit there must be specific direction, with specific azimuth configuration and operation, It is thus impossible to it is interpreted as limitation of the present invention.

In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc. Mean to combine at least one reality that specific features, structure, material or the feature that the embodiment or example describe are contained in the present invention Apply in example or example.In this manual, identical embodiment or reality are not necessarily referring to the schematic representation of above-mentioned term Example.Moreover, description specific features, structure, material or feature can in any one or more embodiments or example with Suitable mode combines.

The preferred embodiments of the present invention are these are only, are not intended to limit the invention, for those skilled in the art For member, the present invention can have various modifications and variations.Any modification within the spirit and principles of the invention, being made, Equivalent substitution, improvement etc., should be included in the scope of the protection.

Claims

A kind of 1. defrosting method, for refrigeration plant, it is characterised in that including：

The operation duration of the refrigeration plant start operation is determined with prefixed time interval；

Multiple operational factors of the refrigeration plant in each operation duration are determined, and according to multiple operational factors Determine periodic variable；

The target defrost cycle is determined according to the periodic variable and default defrost cycle, so that the refrigeration plant is operationally Defrost is performed with the corresponding target defrost cycle when long.
2. defrosting method according to claim 1, it is characterised in that described to determine the cycle according to multiple operational factors Variable, specifically include：

Judge whether each operational factor meets corresponding preparatory condition, generation corresponds to sentencing for each operational factor Disconnected result；

Sub- variable corresponding to the judged result is determined according to each judged result, with true according to all sub- variables The fixed periodic variable.
3. defrosting method according to claim 2, it is characterised in that in the operational factor residing for the refrigeration plant Ambient parameter when, in addition to：

It is determined that in the prefixed time interval ambient parameter peak and minimum, and determine the peak with The environment difference of the minimum；

Judge the environment difference and the magnitude relationship of preset difference value, when the difference is more than the preset difference value, it is determined that pair The judged result of ambient parameter described in Ying Yu is yes, and the sub- variable for determining to correspond to the ambient parameter is zero, wherein, The ambient parameter includes：Environment temperature, ambient humidity.
4. defrosting method according to claim 2, it is characterised in that in the operational factor in the refrigeration plant During inner parameter, in addition to：

Judge the magnitude relationship of the inner parameter and parameter preset, when the inner parameter is more than the parameter preset, really Surely correspond to the inner parameter the judged result be yes, and determine correspond to the inner parameter sub- variable be it is negative,

Wherein, the inner parameter includes：Refrigerated storage temperature, preservation temperature, cryogenic temperature.
5. defrosting method according to claim 2, it is characterised in that in the operational factor opening for the refrigeration plant During door duration, in addition to：

Judge to whether there is door opening action in the prefixed time interval, when the door opening action be present, it is determined that corresponding to The judged result of the enabling duration is yes, and the sub- variable for determining to correspond to the enabling duration is negative.
6. defrosting method according to claim 2, it is characterised in that in the operational factor setting for the refrigeration plant Parameter is put, and when the arrange parameter changes in the prefixed time interval, it is determined that corresponding to the refrigeration plant The judged result of arrange parameter is yes, and the sub- variable for determining to correspond to the arrange parameter is zero.
7. defrosting method according to any one of claim 1 to 6, it is characterised in that described according to the periodic variable And the default defrost cycle determines the target defrost cycle, specifically includes：

If all judged results are no, the target defrost cycle is more than the default defrost cycle；

If any judged result is yes, it is determined that the target defrost cycle is the default defrost cycle and the periodic variable And value.
A kind of 8. defrosting system, for refrigeration plant, it is characterised in that including：

Cycle detection unit, for determining the operation duration of the refrigeration plant start operation with prefixed time interval；

Parameter determination unit, for determining multiple operational factors of the refrigeration plant in each operation duration；

Variable determination unit, for determining periodic variable according to multiple operational factors；

Cycle determining unit, for determining the target defrost cycle according to the periodic variable and default defrost cycle, so that institute State refrigeration plant it is operationally long when defrost performed with corresponding target defrost cycle.
9. defrosting system according to claim 8, it is characterised in that the variable determination unit, specifically include：

Sub- judging unit, for judging whether each operational factor meets corresponding preparatory condition, generation corresponds to each The judged result of the operational factor；

Collection unit, for determining the sub- variable corresponding to the judged result according to each judged result, with according to institute There is the sub- variable to determine the periodic variable.
10. defrosting system according to claim 9, it is characterised in that the sub- judging unit specifically includes：

When the operational factor is the ambient parameter residing for the refrigeration plant, it is determined that described in the prefixed time interval The peak and minimum of ambient parameter, and determine the environment difference of the peak and the minimum；

Judge the environment difference and the magnitude relationship of preset difference value, when the difference is more than the preset difference value, it is determined that pair The judged result of ambient parameter described in Ying Yu is yes；

The collection unit specifically includes：It is determined that the sub- variable corresponding to the ambient parameter is zero,

Wherein, the ambient parameter includes：Environment temperature, ambient humidity.
11. defrosting system according to claim 9, it is characterised in that the sub- judging unit specifically includes：

When the operational factor is the inner parameter in the refrigeration plant, the big of the inner parameter and parameter preset is judged Small relation, when the inner parameter is more than the parameter preset, it is determined that the judged result corresponding to the inner parameter It is yes；

The collection unit specifically includes：It is determined that corresponding to the inner parameter sub- variable be it is negative,

Wherein, the inner parameter includes：Refrigerated storage temperature, preservation temperature, cryogenic temperature.
12. defrosting system according to claim 9, it is characterised in that the sub- judging unit specifically includes：

When the operational factor is the enabling duration of the refrigeration plant, judge to whether there is in the prefixed time interval Door opening action, when the door opening action be present, it is determined that the judged result corresponding to the enabling duration is yes；

The collection unit specifically includes：It is determined that the sub- variable corresponding to the enabling duration is negative.
13. defrosting system according to claim 9, it is characterised in that the sub- judging unit specifically includes：

Arrange parameter in the operational factor for the refrigeration plant, and the arrange parameter in the prefixed time interval When changing, it is determined that the judged result corresponding to the arrange parameter of the refrigeration plant is yes；

The collection unit specifically includes：It is determined that the sub- variable corresponding to the arrange parameter is zero.
14. the defrosting method according to any one of claim 8 to 13, it is characterised in that the cycle determining unit, tool Body is used for：

If all judged results are no, the target defrost cycle is more than the default defrost cycle；

If any judged result is yes, it is determined that the target defrost cycle is the default defrost cycle and the periodic variable And value.
A kind of 15. refrigeration plant, it is characterised in that including the defrosting system any one of claim 8 to 14,

Wherein, the refrigeration plant includes refrigerator.
16. a kind of computer-readable recording medium, is stored thereon with computer program, it is characterised in that the computer program The defrosting method as any one of claim 1 to 7 is realized when being executed by processor.