CN106839642A - Direct cooling refrigerator and its defrosting control method and device - Google Patents
Direct cooling refrigerator and its defrosting control method and device Download PDFInfo
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- CN106839642A CN106839642A CN201710125156.6A CN201710125156A CN106839642A CN 106839642 A CN106839642 A CN 106839642A CN 201710125156 A CN201710125156 A CN 201710125156A CN 106839642 A CN106839642 A CN 106839642A
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- temperature
- direct cooling
- cooling refrigerator
- compressor
- preset value
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Classifications
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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
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/003—Arrangement or mounting of control or safety devices for movable devices
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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
- F25D2600/00—Control issues
- F25D2600/02—Timing
-
- 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
- F25D2600/00—Control issues
- F25D2600/06—Controlling according to a predetermined profile
-
- 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
- F25D2700/00—Means for sensing or measuring; Sensors therefor
- F25D2700/12—Sensors measuring the inside temperature
-
- 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
- F25D2700/00—Means for sensing or measuring; Sensors therefor
- F25D2700/14—Sensors measuring the temperature outside the refrigerator or freezer
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Defrosting Systems (AREA)
Abstract
The invention discloses a kind of direct cooling refrigerator and its defrosting control method and device, wherein, the described method comprises the following steps：The environment temperature of direct cooling refrigerator local environment is detected, and detects the temperature in refrigerating chamber of direct cooling refrigerator；Temperature gap between computing environment temperature and temperature in refrigerating chamber, and judge temperature gap whether less than preset value；If temperature gap is less than preset value, the maximum continuous operating time of compressor in direct cooling refrigerator is obtained according to temperature gap；When the continuous operating time of compressor reaches the maximum continuous operating time of acquisition, compressor forced stoppage is controlled, so that direct cooling refrigerator performs defrost action.The method according to the invention, can effectively prevent from causing evaporimeter frosting excessive because of compressor long-play such that it is able to ensure the refrigeration of direct cooling refrigerator, improve the experience of user.
Description
Technical field
The present invention relates to technical field of refrigeration equipment, more particularly to a kind of defrosting control method of direct cooling refrigerator, Yi Zhongzhi
The defrosting control device of cold refrigerator and a kind of direct cooling refrigerator.
Background technology
Traditional direct cooling refrigerator carries out defrost during compressor shutdown, because temperature in refrigerating chamber is higher than 0 DEG C, as long as
Press is shut down, and frost layer begins to melt.Frost layer is gradually accumulated during compressor operating, and compressor continuous operating time is got over
Long, frost layer is thicker, and in particular with the increase of refrigerator volume, consumer once increases to the food of refrigeration indoor storage, causes pressure
Contracting machine long-play does not reach design temperature, and now evaporator surface gathers substantial amounts of frost layer, influences the system of direct cooling refrigerator
Cold effect, reduces Consumer's Experience.
The content of the invention
It is contemplated that at least solving one of technical problem in above-mentioned technology to a certain extent.Therefore, of the invention
One purpose is to propose a kind of defrosting control method of direct cooling refrigerator, can effectively prevent from being led because of compressor long-play
Induced evaporation device frosting is excessive such that it is able to ensure the refrigeration of direct cooling refrigerator, improves the experience of user.
Second object of the present invention is to propose a kind of defrosting control device of direct cooling refrigerator.
Third object of the present invention is to propose a kind of direct cooling refrigerator.
To reach above-mentioned purpose, first aspect present invention embodiment proposes a kind of defrosting control method of direct cooling refrigerator,
The method is comprised the following steps：The environment temperature of the direct cooling refrigerator local environment is detected, and detects the cold of the direct cooling refrigerator
Hide indoor temperature；The temperature gap between the environment temperature and the temperature in refrigerating chamber is calculated, and judges the temperature difference
Whether value is less than preset value；If the temperature gap is less than the preset value, obtain described straight according to the temperature gap
The maximum continuous operating time of compressor in cold refrigerator；When the maximum that the continuous operating time of the compressor reaches acquisition is continuous
During run time, the compressor forced stoppage is controlled, so that the direct cooling refrigerator performs defrost action.
The defrosting control method of direct cooling refrigerator according to embodiments of the present invention, by the ring for detecting direct cooling refrigerator local environment
Border temperature and temperature in refrigerating chamber, and when temperature gap is less than preset value, compressed in obtaining direct cooling refrigerator according to temperature gap
The maximum continuous operating time of machine, when the continuous operating time of compressor reaches the maximum continuous operating time of acquisition, control
Compressor forced stoppage, so that direct cooling refrigerator performs defrost action, thereby, it is possible to effectively prevent because of compressor long-play
Cause evaporimeter frosting excessive such that it is able to ensure the refrigeration of direct cooling refrigerator, improve the experience of user.
In addition, the defrosting control method of the direct cooling refrigerator proposed according to the above embodiment of the present invention can also be with following attached
Plus technical characteristic：
According to one embodiment of present invention, correlation between the preset value and the environment temperature.
Further, following relation is met between the preset value and the environment temperature：
| Environment temperature T1 (DEG C) | T1≤10 | 10 ＜ T1≤20 | 20 ＜ T1≤30 | 30 ＜ T1≤40 | 40 ＜ T1 |
| Preset value (DEG C) | α1 | α2 | α3 | α4 | α5 |
Wherein, the ＜ α 5≤40 of 0 ＜ α, 1 ＜ α, 2 ＜ α, 3 ＜ α 4.
According to one embodiment of present invention, between the temperature gap and the maximum continuous operating time of the compressor
In inverse correlation relation.
Further, following relation is met between the temperature gap and the maximum continuous operating time of the compressor：
Wherein, α is the preset value, 6 >=tmax1 >=tmax2 >=tmax3 >=tmax4 >=tmax5 >=0.
According to one embodiment of present invention, when the temperature gap is more than or equal to the preset value, if the refrigeration
Indoor temperature is less than default shutdown temperature, then control the compressor shutdown, so that the direct cooling refrigerator performs defrost action.
To reach above-mentioned purpose, second aspect present invention embodiment proposes a kind of defrosting control device of direct cooling refrigerator,
The device includes：First detection module, the first detection module is used to detect the environment temperature of the direct cooling refrigerator local environment
Degree；Second detection module, second detection module is used to detect the temperature in refrigerating chamber of the direct cooling refrigerator；Calculating judges mould
Block, the calculating judge module is used to calculate the temperature gap between the environment temperature and the temperature in refrigerating chamber, and sentences
Whether the temperature gap that breaks is less than preset value；Acquisition module, the acquisition module is used in the temperature gap less than described
During preset value, the maximum continuous operating time of compressor in the direct cooling refrigerator is obtained according to the temperature gap；Control module,
The control module is used to reach the continuous operation of maximum that the acquisition module is obtained when the continuous operating time of the compressor
During the time, the compressor forced stoppage is controlled, so that the direct cooling refrigerator performs defrost action.
The defrosting control device of direct cooling refrigerator according to embodiments of the present invention, by the ring for detecting direct cooling refrigerator local environment
Border temperature and temperature in refrigerating chamber, and when temperature gap is less than preset value, compressed in obtaining direct cooling refrigerator according to temperature gap
The maximum continuous operating time of machine, when the continuous operating time of compressor reaches the maximum continuous operating time of acquisition, control
Compressor forced stoppage, so that direct cooling refrigerator performs defrost action, thereby, it is possible to effectively prevent because of compressor long-play
Cause evaporimeter frosting excessive such that it is able to ensure the refrigeration of direct cooling refrigerator, improve the experience of user.
In addition, the defrosting control device of the direct cooling refrigerator proposed according to the above embodiment of the present invention can also be with following attached
Plus technical characteristic：
According to one embodiment of present invention, correlation between the preset value and the environment temperature.
Further, following relation is met between the preset value and the environment temperature：
| Environment temperature T1 (DEG C) | T1≤10 | 10 ＜ T1≤20 | 20 ＜ T1≤30 | 30 ＜ T1≤40 | 40 ＜ T1 |
| Preset value (DEG C) | α1 | α2 | α3 | α4 | α5 |
Wherein, the ＜ α 5≤40 of 0 ＜ α, 1 ＜ α, 2 ＜ α, 3 ＜ α 4.
According to one embodiment of present invention, it is characterised in that the temperature gap is continuous with the maximum of the compressor
It is in inverse correlation relation between run time.
Further, following relation is met between the temperature gap and the maximum continuous operating time of the compressor：
Wherein, α is the preset value, 6 >=tmax1 >=tmax2 >=tmax3 >=tmax4 >=tmax5 >=0.
According to one embodiment of present invention, when the calculating judge module judges the temperature gap more than or equal to described
During preset value, the control module controls the compressor to stop when the temperature in refrigerating chamber is less than default shutdown temperature
Machine, so that the direct cooling refrigerator performs defrost action.
To reach above-mentioned purpose, third aspect present invention embodiment proposes a kind of direct cooling refrigerator, and it includes the present invention the
The defrosting control device of the direct cooling refrigerator that two aspect embodiments are proposed.
Direct cooling refrigerator according to embodiments of the present invention, can effectively prevent from causing evaporator because of compressor long-play
Frosting is excessive such that it is able to ensure refrigeration, improves the experience of user.
Brief description of the drawings
Fig. 1 is the flow chart of the defrosting control method of the direct cooling refrigerator according to the embodiment of the present invention；
Fig. 2 is according to a flow chart for the defrosting control method of the direct cooling refrigerator of specific embodiment of the invention；
Fig. 3 is the block diagram of the defrosting control device of the direct cooling refrigerator according to the embodiment of the present invention.
Specific embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from start to finish
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
It is exemplary to scheme the embodiment of description, it is intended to for explaining the present invention, and be not considered as limiting the invention.
The direct cooling refrigerator and its defrosting control method and device of the embodiment of the present invention described below in conjunction with the accompanying drawings.
Fig. 1 is the flow chart of the defrosting control method of the direct cooling refrigerator according to the embodiment of the present invention.
As shown in figure 1, the defrosting control method of the direct cooling refrigerator of the embodiment of the present invention, comprises the following steps：
S1, detects the environment temperature of direct cooling refrigerator local environment, and detects the temperature in refrigerating chamber of direct cooling refrigerator.
In one embodiment of the invention, after the compressor start of direct cooling refrigerator, can be by outside direct cooling refrigerator
Temperature outside environment temperature sensor detection environment temperature, the i.e. direct cooling refrigerator in portion, and can be refrigerated by positioned at direct cooling refrigerator
Indoor the temperature inside the box sensor detection temperature in refrigerating chamber.
S2, the temperature gap between computing environment temperature and temperature in refrigerating chamber, and judge temperature gap whether less than pre-
If value.
If environment temperature is tw, temperature in refrigerating chamber is tr, then temperature gap Δ t=tw-tr.
In one embodiment of the invention, preset value is relevant with environment temperature, and specifically, preset value can be with environment temperature
Between correlation, i.e. environment temperature it is bigger, preset value is bigger.
In one particular embodiment of the present invention, following relation can be met between preset value and environment temperature：
| Environment temperature T1 (DEG C) | T1≤10 | 10 ＜ T1≤20 | 20 ＜ T1≤30 | 30 ＜ T1≤40 | 40 ＜ T1 |
| Preset value (DEG C) | α1 | α2 | α3 | α4 | α5 |
Wherein, the ＜ α 5≤40 of 0 ＜ α, 1 ＜ α, 2 ＜ α, 3 ＜ α 4.
In an embodiment of the present invention, the relation between preset value and environment temperature can be stored in the memory of direct cooling refrigerator
In, to call corresponding preset value according to the environment temperature for detecting.
S3, if temperature gap is less than preset value, the most Dalian of compressor in direct cooling refrigerator is obtained according to temperature gap
Continuous run time.
S4, when the continuous operating time of compressor reaches the maximum continuous operating time of acquisition, control compressor is forced
Shut down, so that direct cooling refrigerator performs defrost action.
If temperature difference difference is more than or equal to preset value, temperature in refrigerating chamber is relatively low, without compressor operating mistake
Long temperature in refrigerating chamber just can be made to reach default shutdown temperature.The start and stop of compressor now can be normally controlled, if refrigerated
Indoor temperature is less than default shutdown temperature, then control compressor shutdown, so that direct cooling refrigerator performs defrost action.
And if temperature difference difference is less than preset value, then temperature in refrigerating chamber is of a relatively high, it is difficult to make in a short time cold
Hide indoor temperature and reach default shutdown temperature, pressure can be now controlled according to the maximum continuous operating time of default compressor
Contracting machine is shut down.
In one embodiment of the invention, it is in inverse correlation between the maximum continuous operating time and temperature gap of compressor
Relation, i.e. temperature gap are bigger, and temperature in refrigerating chamber is comparatively higher, and the maximum continuous operating time of compressor is smaller.
In one particular embodiment of the present invention, can expire between temperature gap and the maximum continuous operating time of compressor
It is enough to lower relation：
Wherein, α is preset value, 6 >=tmax1 >=tmax2 >=tmax3 >=tmax4 >=tmax5 >=0.
In an embodiment of the present invention, the relation between maximum continuous operating time and temperature gap can be stored in direct-cooled ice
In the memory of case, to call corresponding maximum continuous operating time according to the temperature gap being calculated.
When the continuous operating time of compressor reaches maximum continuous operating time, compressor forced stoppage is can control, with
Make direct cooling refrigerator perform defrost to act.
The defrosting control method of direct cooling refrigerator according to embodiments of the present invention, by the ring for detecting direct cooling refrigerator local environment
Border temperature and temperature in refrigerating chamber, and when temperature gap is less than preset value, compressed in obtaining direct cooling refrigerator according to temperature gap
The maximum continuous operating time of machine, when the continuous operating time of compressor reaches the maximum continuous operating time of acquisition, control
Compressor forced stoppage, so that direct cooling refrigerator performs defrost action, thereby, it is possible to effectively prevent because of compressor long-play
Cause evaporimeter frosting excessive such that it is able to ensure the refrigeration of direct cooling refrigerator, improve the experience of user.
In one particular embodiment of the present invention, as shown in Fig. 2 the defrosting control method of direct cooling refrigerator may include it is following
Step：
S201, compressor start.
S202, detection environment temperature tw and temperature in refrigerating chamber are tr.
S203, calculates temperature gap Δ t=tw-tr.
S204, determines whether Δ t ＜ α.If it is not, then performing step S205；If it is, performing step S206.
Whether S205, judge temperature in refrigerating chamber tr less than default shutdown temperature.If it is, performing step S208；
If it is not, then maintaining the current state of direct cooling refrigerator and continuously carrying out the judgement step.
S206, maximum continuous operating time tmax is determined according to the relation between temperature gap Δ t and preset value α.
S207, determines whether T ＞ tmax.When i.e. whether the continuous operating time of compressor reaches maximum continuous operation
Between.If it is, performing step S208；If it is not, then maintaining the current state of direct cooling refrigerator and continuously carrying out the judgement step.
S208, compressor shutdown.Defrost action is can perform in compressor shutdown, to remove the frost layer of evaporator surface.
To realize the defrosting control method of the direct cooling refrigerator that above-described embodiment is proposed, the present invention also proposes a kind of direct cooling refrigerator
Defrosting control device.
As shown in figure 3, the defrosting control device of the direct cooling refrigerator of the embodiment of the present invention, including first detection module 10,
Two detection modules 20, calculating judge module 30, acquisition module 40 and control module 50.
Wherein, first detection module 10 is used to detect the environment temperature of direct cooling refrigerator local environment；Second detection module 20
Temperature in refrigerating chamber for detecting direct cooling refrigerator；Calculate judge module 30 be used for computing environment temperature and temperature in refrigerating chamber it
Between temperature gap, and judge temperature gap whether less than preset value；Acquisition module 40 is used to be less than preset value in temperature gap
When, the maximum continuous operating time of compressor in direct cooling refrigerator is obtained according to temperature gap；Control module 50 is used to work as compressor
Continuous operating time reach acquisition module 40 acquisition maximum continuous operating time when, control compressor forced stoppage so that
Direct cooling refrigerator performs defrost action.
In one embodiment of the invention, after the compressor start of direct cooling refrigerator, can be by outside direct cooling refrigerator
Temperature outside environment temperature sensor detection environment temperature, the i.e. direct cooling refrigerator in portion, and can be refrigerated by positioned at direct cooling refrigerator
Indoor the temperature inside the box sensor detection temperature in refrigerating chamber.
If environment temperature is tw, temperature in refrigerating chamber is tr, then temperature gap Δ t=tw-tr.
In one embodiment of the invention, preset value is relevant with environment temperature, and specifically, preset value can be with environment temperature
Between correlation, i.e. environment temperature it is bigger, preset value is bigger.
In one particular embodiment of the present invention, following relation can be met between preset value and environment temperature：
| Environment temperature T1 (DEG C) | T1≤10 | 10 ＜ T1≤20 | 20 ＜ T1≤30 | 30 ＜ T1≤40 | 40 ＜ T1 |
| Preset value (DEG C) | α1 | α2 | α3 | α4 | α5 |
Wherein, the ＜ α 5≤40 of 0 ＜ α, 1 ＜ α, 2 ＜ α, 3 ＜ α 4.
In an embodiment of the present invention, the relation between preset value and environment temperature can be stored in the memory of direct cooling refrigerator
In, corresponding preset value is called according to environment temperature to calculate judge module 30.
If calculating judge module 30 judges temperature difference difference more than or equal to preset value, temperature in refrigerating chamber is relatively
It is low, temperature in refrigerating chamber just can be made without compressor operating to reach default shutdown temperature too long.Now can normally control compression
The start and stop of machine, i.e. control module 50 control compressor shutdown, so that directly when temperature in refrigerating chamber is less than default shutdown temperature
Cold refrigerator performs defrost action.
And if calculating judge module 30 judges temperature difference difference less than preset value, then temperature in refrigerating chamber is of a relatively high,
It is difficult to make temperature in refrigerating chamber reach default shutdown temperature in a short time, now control module 50 can be according to default compression
The maximum continuous operating time of machine controls compressor shutdown.
In one embodiment of the invention, it is in inverse correlation between the maximum continuous operating time and temperature gap of compressor
Relation, i.e. temperature gap are bigger, and temperature in refrigerating chamber is comparatively higher, and the maximum continuous operating time of compressor is smaller.
In one particular embodiment of the present invention, can expire between temperature gap and the maximum continuous operating time of compressor
It is enough to lower relation：
Wherein, α is preset value, 6 >=tmax1 >=tmax2 >=tmax3 >=tmax4 >=tmax5 >=0.
In an embodiment of the present invention, the relation between maximum continuous operating time and temperature gap can be stored in direct-cooled ice
In the memory of case, to call corresponding maximum continuous operating time according to the temperature gap being calculated.
When the continuous operating time of compressor reaches maximum continuous operating time, it is strong that control module 50 can control compressor
Stop machine, so that direct cooling refrigerator performs defrost action.
The defrosting control device of direct cooling refrigerator according to embodiments of the present invention, by the ring for detecting direct cooling refrigerator local environment
Border temperature and temperature in refrigerating chamber, and when temperature gap is less than preset value, compressed in obtaining direct cooling refrigerator according to temperature gap
The maximum continuous operating time of machine, when the continuous operating time of compressor reaches the maximum continuous operating time of acquisition, control
Compressor forced stoppage, so that direct cooling refrigerator performs defrost action, thereby, it is possible to effectively prevent because of compressor long-play
Cause evaporimeter frosting excessive such that it is able to ensure the refrigeration of direct cooling refrigerator, improve the experience of user.
Correspondence above-described embodiment, the present invention also proposes a kind of direct cooling refrigerator.
The direct cooling refrigerator of the embodiment of the present invention, including the defrosting control of the direct cooling refrigerator of the above embodiment of the present invention proposition is filled
Put, its specific embodiment can refer to above-described embodiment, to avoid redundancy, will not be repeated here.
Direct cooling refrigerator according to embodiments of the present invention, can effectively prevent from causing evaporator because of compressor long-play
Frosting is excessive such that it is able to ensure refrigeration, improves the experience of user.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " be based on orientation shown in the drawings or
Position relationship, is for only for ease of the description present invention and simplifies description, must rather than the device or element for indicating or imply meaning
With specific orientation, with specific azimuth configuration and operation, therefore must be not considered as limiting the invention.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include one or more this feature.In the description of the invention, " multiple " is meant that two or more,
Unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integrally；Can be that machinery connects
Connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can be in two elements
The connection in portion or two interaction relationships of element.For the ordinary skill in the art, can be according to specific feelings
Condition understands above-mentioned term concrete meaning in the present invention.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be with
It is the first and second feature directly contacts, or the first and second features are by intermediary mediate contact.And, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature are directly over second feature or oblique upper, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or spy that the embodiment or example are described
Point is contained at least one embodiment of the invention or example.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.And, the specific features of description, structure, material or feature can be with office
Combined in an appropriate manner in one or more embodiments or example.Additionally, in the case of not conflicting, the skill of this area
Art personnel can be tied the feature of the different embodiments or example described in this specification and different embodiments or example
Close and combine.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (13)
1. a kind of defrosting control method of direct cooling refrigerator, it is characterised in that comprise the following steps：
The environment temperature of the direct cooling refrigerator local environment is detected, and detects the temperature in refrigerating chamber of the direct cooling refrigerator；
The temperature gap between the environment temperature and the temperature in refrigerating chamber is calculated, and judges whether the temperature gap is small
In preset value；
If the temperature gap is less than the preset value, according to compressor in the temperature gap acquisition direct cooling refrigerator
Maximum continuous operating time；
When the continuous operating time of the compressor reaches the maximum continuous operating time of acquisition, the compressor is controlled to force
Shut down, so that the direct cooling refrigerator performs defrost action.
2. the defrosting control method of direct cooling refrigerator according to claim 1, it is characterised in that the preset value and the ring
Correlation between the temperature of border.
3. the defrosting control method of direct cooling refrigerator according to claim 2, it is characterised in that the preset value and the ring
Following relation is met between the temperature of border：
Wherein, the ＜ α 5≤40 of 0 ＜ α, 1 ＜ α, 2 ＜ α, 3 ＜ α 4.
4. the defrosting control method of the direct cooling refrigerator according to any one of claim 1-3, it is characterised in that the temperature
It is in inverse correlation relation between difference and the maximum continuous operating time of the compressor.
5. the defrosting control method of direct cooling refrigerator according to claim 4, it is characterised in that the temperature gap with it is described
Meet following relation between the maximum continuous operating time of compressor：
Wherein, α is the preset value, 6 >=tmax1 >=tmax2 >=tmax3 >=tmax4 >=tmax5 >=0.
6. the defrosting control method of direct cooling refrigerator according to claim 1, it is characterised in that when the temperature gap is more than
Equal to the preset value, if the temperature in refrigerating chamber is less than default shutdown temperature, the compressor shutdown is controlled, with
Make the direct cooling refrigerator perform defrost to act.
7. a kind of defrosting control device of direct cooling refrigerator, it is characterised in that including：
First detection module, the first detection module is used to detect the environment temperature of the direct cooling refrigerator local environment；
Second detection module, second detection module is used to detect the temperature in refrigerating chamber of the direct cooling refrigerator；
Judge module is calculated, the calculating judge module is used to calculate between the environment temperature and the temperature in refrigerating chamber
Temperature gap, and judge the temperature gap whether less than preset value；
Acquisition module, the acquisition module is used for when the temperature gap is less than the preset value, according to the temperature gap
Obtain the maximum continuous operating time of compressor in the direct cooling refrigerator；
Control module, the control module is used to reach what the acquisition module was obtained when the continuous operating time of the compressor
During maximum continuous operating time, the compressor forced stoppage is controlled, so that the direct cooling refrigerator performs defrost action.
8. the defrosting control device of direct cooling refrigerator according to claim 7, it is characterised in that the preset value and the ring
Correlation between the temperature of border.
9. the defrosting control device of direct cooling refrigerator according to claim 8, it is characterised in that the preset value and the ring
Following relation is met between the temperature of border：
Wherein, the ＜ α 5≤40 of 0 ＜ α, 1 ＜ α, 2 ＜ α, 3 ＜ α 4.
10. the defrosting control device of the direct cooling refrigerator according to any one of claim 7-9, it is characterised in that the temperature
It is in inverse correlation relation between degree difference and the maximum continuous operating time of the compressor.
The defrosting control device of 11. direct cooling refrigerators according to claim 10, it is characterised in that the temperature gap and institute
Meet following relation between the maximum continuous operating time for stating compressor：
Wherein, α is the preset value, 6 >=tmax1 >=tmax2 >=tmax3 >=tmax4 >=tmax5 >=0.
The defrosting control device of 12. direct cooling refrigerators according to claim 7, it is characterised in that when the calculating judges mould
When block judges that the temperature gap is more than or equal to the preset value, the control module is in the temperature in refrigerating chamber less than default
Shutdown temperature when, the compressor shutdown is controlled, so that the direct cooling refrigerator performs defrost action.
A kind of 13. direct cooling refrigerators, it is characterised in that the change including the direct cooling refrigerator according to any one of claim 7-12
White control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710125156.6A CN106839642B (en) | 2017-03-03 | 2017-03-03 | Direct cooling refrigerator and its defrosting control method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710125156.6A CN106839642B (en) | 2017-03-03 | 2017-03-03 | Direct cooling refrigerator and its defrosting control method and device |
Publications (2)
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| CN108759297A (en) * | 2018-08-23 | 2018-11-06 | 南京创维家用电器有限公司 | A kind of control method for preventing cold compartment of refrigerator and evaporator from freezing |
| CN113899156A (en) * | 2021-10-11 | 2022-01-07 | 珠海格力电器股份有限公司 | Refrigeration equipment, defrosting control method, defrosting control device, defrosting control system and storage medium of refrigeration equipment |
| CN114061253A (en) * | 2020-08-04 | 2022-02-18 | 青岛海尔电冰箱有限公司 | Control method of single-system refrigerator |
| CN115265048A (en) * | 2021-04-29 | 2022-11-01 | 青岛海尔电冰箱有限公司 | Refrigerator and control method thereof |
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