CN106839642B - 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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- CN106839642B CN106839642B CN201710125156.6A CN201710125156A CN106839642B CN 106839642 B CN106839642 B CN 106839642B CN 201710125156 A CN201710125156 A CN 201710125156A CN 106839642 B CN106839642 B CN 106839642B
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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
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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
- F25D2600/06—Controlling according to a predetermined profile
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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
- F25D2700/00—Means for sensing or measuring; Sensors therefor
- F25D2700/12—Sensors measuring the inside temperature
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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
- 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 methods and device, wherein the described method comprises the following steps: the environment temperature of detection direct cooling refrigerator local environment, and detects the temperature in refrigerating chamber of direct cooling refrigerator；The temperature gap between environment temperature and temperature in refrigerating chamber is calculated, and judges whether temperature gap is 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 executes defrost movement.According to the method for the present invention, it can effectively prevent causing evaporimeter frosting excessive because of compressor long-play, so as to guarantee the refrigeration effect of direct cooling refrigerator, improve the usage experience of user.
Description
Technical field
The present invention relates to technical field of refrigeration equipment, in particular 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 technique
Traditional direct cooling refrigerator carries out defrost during compressor shutdown, since 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 gradually accumulates during the operation of the compressor, and compressor continuous operating time is got over
Long, frost layer is thicker, increases in particular with refrigerator volume, and consumer once increases to the food of refrigeration indoor storage, causes to press
Set temperature is not achieved in contracting machine long-play, and evaporator surface gathers a large amount of frost layer at this time, influences the system of direct cooling refrigerator
Cold effect reduces user experience.
Summary of the invention
The present invention is directed to solve one of the technical problem in above-mentioned technology at least to a certain extent.For this purpose, of the invention
One purpose is to propose a kind of defrosting control method of direct cooling refrigerator, can effectively prevent leading because of compressor long-play
Induced evaporation device frosting is excessive, so as to guarantee the refrigeration effect of direct cooling refrigerator, improves the usage 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.
In order to achieve the above objectives, first aspect present invention embodiment proposes a kind of defrosting control method of direct cooling refrigerator,
Method includes the following steps: detecting the environment temperature of the direct cooling refrigerator local environment, and detect the cold of the direct cooling refrigerator
Hide room 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, obtained according to the temperature gap described straight
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
When runing time, the compressor forced stoppage is controlled, so that the direct cooling refrigerator executes defrost movement.
The defrosting control method of direct cooling refrigerator according to an embodiment 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, it is obtained in direct cooling refrigerator and is compressed 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 executes defrost movement, thereby, it is possible to effectively prevent due to compressor long-play
Cause evaporimeter frosting excessive, so as to guarantee the refrigeration effect of direct cooling refrigerator, improves the usage experience of user.
In addition, the defrosting control method of the direct cooling refrigerator proposed according to that above embodiment of the present invention can also have it is following attached
The technical characteristic added:
According to one embodiment of present invention, correlation between the preset value and the environment temperature.
Further, following relationship 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, 0 < α, 1 < α, 2 < α, 3 < α, 4 < α 5≤40.
According to one embodiment of present invention, between the temperature gap and the maximum continuous operating time of the compressor
In inverse correlation relationship.
Further, meet following relationship 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
Room temperature is less than preset shutdown temperature, then controls the compressor shutdown, so that the direct cooling refrigerator executes defrost movement.
In order to achieve the above objectives, second aspect of the present invention embodiment proposes a kind of defrosting control device of direct cooling refrigerator,
The device includes: first detection module, and 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 are used to detect the temperature in refrigerating chamber of the direct cooling refrigerator；Calculating judges mould
Block, the judgment module that calculates 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；Module is obtained, the acquisition module is used to be less than in the temperature gap described
When 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 maximum continuous operation that the acquisition module obtains when the continuous operating time of the compressor
When the time, the compressor forced stoppage is controlled, so that the direct cooling refrigerator executes defrost movement.
The defrosting control device of direct cooling refrigerator according to an embodiment 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, it is obtained in direct cooling refrigerator and is compressed 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 executes defrost movement, thereby, it is possible to effectively prevent due to compressor long-play
Cause evaporimeter frosting excessive, so as to guarantee the refrigeration effect of direct cooling refrigerator, improves the usage experience of user.
In addition, the defrosting control device of the direct cooling refrigerator proposed according to that above embodiment of the present invention can also have it is following attached
The technical characteristic added:
According to one embodiment of present invention, correlation between the preset value and the environment temperature.
Further, following relationship 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, 0 < α, 1 < α, 2 < α, 3 < α, 4 < α 5≤40.
According to one embodiment of present invention, which is characterized in that the maximum of the temperature gap and the compressor is continuous
It is in inverse correlation relationship between runing time.
Further, meet following relationship 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 judgment module judges the temperature gap more than or equal to described
When preset value, the control module controls the compressor and stops when the temperature in refrigerating chamber is less than preset shutdown temperature
Machine, so that the direct cooling refrigerator executes defrost movement.
In order to achieve the above objectives, third aspect present invention embodiment proposes a kind of direct cooling refrigerator comprising the present invention the
The defrosting control device for the direct cooling refrigerator that two aspect embodiments propose.
Direct cooling refrigerator according to an embodiment of the present invention can effectively prevent leading to evaporator because of compressor long-play
Frosting is excessive, so as to guarantee refrigeration effect, improves the usage experience of user.
Detailed description of the invention
Fig. 1 is the flow chart according to the defrosting control method of the direct cooling refrigerator of the embodiment of the present invention；
Fig. 2 is the flow chart according to the defrosting control method of the direct cooling refrigerator of a specific embodiment of the invention；
Fig. 3 is the block diagram according to the defrosting control device of the direct cooling refrigerator of the embodiment of the present invention.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is 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 with reference to the accompanying drawing.
Fig. 1 is the flow chart according to the defrosting control method of the direct cooling refrigerator of 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, comprising 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.
It in one embodiment of the invention, can be by being located at outside direct cooling refrigerator after the compressor start of direct cooling refrigerator
The environment temperature sensor in portion detects environment temperature, i.e. temperature outside direct cooling refrigerator, and can be refrigerated by being located at direct cooling refrigerator
Indoor the temperature inside the box sensor detects temperature in refrigerating chamber.
S2 calculates the temperature gap between environment temperature and temperature in refrigerating chamber, and it is pre- to judge whether temperature gap is less than
If value.
If environment temperature is tw, temperature in refrigerating chamber tr, then temperature gap Δ t=tw-tr.
In one embodiment of the invention, preset value is related with environment temperature, and specifically, preset value can be with environment temperature
Between correlation, i.e. environment temperature is bigger, and preset value is bigger.
In one particular embodiment of the present invention, following relationship 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, 0 < α, 1 < α, 2 < α, 3 < α, 4 < α 5≤40.
In an embodiment of the present invention, the relationship 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 detected.
S3 obtains the most Dalian of compressor in direct cooling refrigerator according to temperature gap if temperature gap is less than preset value
Continuous runing time.
S4, when the continuous operating time of compressor reaches the maximum continuous operating time of acquisition, control compressor is forced
It shuts down, so that direct cooling refrigerator executes defrost movement.
If temperature difference difference is more than or equal to preset value, temperature in refrigerating chamber is relatively low, runs without compressor
Temperature in refrigerating chamber can be made to reach preset shutdown temperature long.At this time can normal control compressor start and stop, i.e., if refrigeration
Room temperature is less than preset shutdown temperature, then controls compressor shutdown, so that direct cooling refrigerator executes defrost movement.
And if temperature difference difference is less than preset value, temperature in refrigerating chamber is relatively high, is difficult to make in a short time cold
Hiding room temperature reaches preset shutdown temperature, can control pressure according to the maximum continuous operating time of preset compressor at this time
Contracting machine is shut down.
It in one embodiment of the invention, is in inverse correlation between the maximum continuous operating time and temperature gap of compressor
Relationship, 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 lower relationship:
Wherein, α is preset value, 6 >=tmax1 >=tmax2 >=tmax3 >=tmax4 >=tmax5 >=0.
In an embodiment of the present invention, the relationship 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 can control, with
Direct cooling refrigerator is set to execute defrost movement.
The defrosting control method of direct cooling refrigerator according to an embodiment 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, it is obtained in direct cooling refrigerator and is compressed 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 executes defrost movement, thereby, it is possible to effectively prevent due to compressor long-play
Cause evaporimeter frosting excessive, so as to guarantee the refrigeration effect of direct cooling refrigerator, improves the usage 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 following
Step:
S201, compressor start.
S202, detects environment temperature tw and temperature in refrigerating chamber is tr.
S203 calculates temperature gap Δ t=tw-tr.
S204 judges whether there is Δ t < α.If not, thening follow the steps S205；If so, thening follow the steps S206.
S205, judges whether temperature in refrigerating chamber tr is less than preset shutdown temperature.If so, thening follow the steps S208；
If it is not, then maintaining the current state of direct cooling refrigerator and continuously carrying out the judgment step.
S206 determines maximum continuous operating time tmax according to the relationship between temperature gap Δ t and preset value α.
S207 judges whether there is T > tmax.When i.e. whether the continuous operating time of compressor reaches maximum continuous operation
Between.If so, thening follow the steps S208；If it is not, then maintaining the current state of direct cooling refrigerator and continuously carrying out the judgment step.
S208, compressor shutdown.Defrost movement can be performed, in compressor shutdown to remove the frost layer of evaporator surface.
For the defrosting control method for realizing direct cooling refrigerator that above-described embodiment proposes, 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 calculate judgment module 30, obtain 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
For detecting the temperature in refrigerating chamber of direct cooling refrigerator；Calculate judgment module 30 for calculate environment temperature and temperature in refrigerating chamber it
Between temperature gap, and judge whether temperature gap is less than preset value；Module 40 is obtained to be 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 for working as compressor
Continuous operating time reach obtain module 40 obtain maximum continuous operating time when, control compressor forced stoppage so that
Direct cooling refrigerator executes defrost movement.
It in one embodiment of the invention, can be by being located at outside direct cooling refrigerator after the compressor start of direct cooling refrigerator
The environment temperature sensor in portion detects environment temperature, i.e. temperature outside direct cooling refrigerator, and can be refrigerated by being located at direct cooling refrigerator
Indoor the temperature inside the box sensor detects temperature in refrigerating chamber.
If environment temperature is tw, temperature in refrigerating chamber tr, then temperature gap Δ t=tw-tr.
In one embodiment of the invention, preset value is related with environment temperature, and specifically, preset value can be with environment temperature
Between correlation, i.e. environment temperature is bigger, and preset value is bigger.
In one particular embodiment of the present invention, following relationship 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, 0 < α, 1 < α, 2 < α, 3 < α, 4 < α 5≤40.
In an embodiment of the present invention, the relationship between preset value and environment temperature can be stored in the memory of direct cooling refrigerator
In, corresponding preset value is called to calculate judgment module 30 according to environment temperature.
If calculating judgment module 30 judges that temperature difference difference is more than or equal to preset value, temperature in refrigerating chamber is relatively
It is low, temperature in refrigerating chamber can be made to reach preset shutdown temperature too long without compressor operation.It at this time can normal 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 preset shutdown temperature
Cold refrigerator executes defrost movement.
And if calculating judgment module 30 judges that temperature difference difference is less than preset value, temperature in refrigerating chamber is relatively high,
It is difficult that temperature in refrigerating chamber is made to reach preset shutdown temperature in a short time, control module 50 can be according to preset compression at this time
The maximum continuous operating time of machine controls compressor shutdown.
It in one embodiment of the invention, is in inverse correlation between the maximum continuous operating time and temperature gap of compressor
Relationship, 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 lower relationship:
Wherein, α is preset value, 6 >=tmax1 >=tmax2 >=tmax3 >=tmax4 >=tmax5 >=0.
In an embodiment of the present invention, the relationship 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, control module 50 can control compressor strong
Stop machine, so that direct cooling refrigerator executes defrost movement.
The defrosting control device of direct cooling refrigerator according to an embodiment 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, it is obtained in direct cooling refrigerator and is compressed 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 executes defrost movement, thereby, it is possible to effectively prevent due to compressor long-play
Cause evaporimeter frosting excessive, so as to guarantee the refrigeration effect of direct cooling refrigerator, improves the usage experience of user.
Corresponding above-described embodiment, the present invention also propose a kind of direct cooling refrigerator.
The direct cooling refrigerator of the embodiment of the present invention, the defrosting control dress including the direct cooling refrigerator that the above embodiment of the present invention proposes
It sets, specific embodiment can refer to above-described embodiment, and to avoid redundancy, details are not described herein.
Direct cooling refrigerator according to an embodiment of the present invention can effectively prevent leading to evaporator because of compressor long-play
Frosting is excessive, so as to guarantee refrigeration effect, improves the usage experience of user.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or
Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal 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 specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (13)
1. a kind of defrosting control method of direct cooling refrigerator, detects the environment temperature of the direct cooling refrigerator local environment, and detects institute
State the temperature in refrigerating chamber of direct cooling refrigerator, which comprises the following steps:
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, compressor in the direct cooling refrigerator is obtained according to the temperature gap
Maximum continuous operating time；
When the continuous operating time of the compressor reaches the maximum continuous operating time of acquisition, controls the compressor and force
It shuts down, so that the direct cooling refrigerator executes defrost movement.
2. the defrosting control method of direct cooling refrigerator according to claim 1, which is characterized 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, which is characterized in that the preset value and the ring
Meet following relationship between the temperature of border:
Wherein, 0 < α, 1 < α, 2 < α, 3 < α, 4 < α 5≤40.
4. the defrosting control method of direct cooling refrigerator according to any one of claim 1-3, which is characterized in that the temperature
It is in inverse correlation relationship between difference and the maximum continuous operating time of the compressor.
5. the defrosting control method of direct cooling refrigerator according to claim 4, which is characterized in that the temperature gap with it is described
Meet following relationship 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, which is characterized in that when the temperature gap is greater than
The compressor shutdown is controlled if the temperature in refrigerating chamber is less than preset shutdown temperature equal to the preset value, with
The direct cooling refrigerator is set to execute defrost movement.
7. a kind of defrosting control device of direct cooling refrigerator, comprising: first detection module and the second detection module, wherein described
One detection module is used to detect the environment temperature of the direct cooling refrigerator local environment, and second detection module is described for detecting
The temperature in refrigerating chamber of direct cooling refrigerator characterized by comprising
Judgment module is calculated, the calculating judgment module is for calculating between the environment temperature and the temperature in refrigerating chamber
Temperature gap, and judge whether the temperature gap is less than preset value；
Module is obtained, 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 are used to reach what the acquisition module obtained when the continuous operating time of the compressor
When maximum continuous operating time, the compressor forced stoppage is controlled, so that the direct cooling refrigerator executes defrost movement.
8. the defrosting control device of direct cooling refrigerator according to claim 7, which is characterized 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, which is characterized in that the preset value and the ring
Meet following relationship between the temperature of border:
Wherein, 0 < α, 1 < α, 2 < α, 3 < α, 4 < α 5≤40.
10. the defrosting control device of the direct cooling refrigerator according to any one of claim 7-9, which is characterized in that the temperature
Spending is in inverse correlation relationship between difference and the maximum continuous operating time of the compressor.
11. the defrosting control device of direct cooling refrigerator according to claim 10, which is characterized in that the temperature gap and institute
It states and meets following relationship between the maximum continuous operating time of compressor:
Wherein, α is the preset value, 6 >=tmax1 >=tmax2 >=tmax3 >=tmax4 >=tmax5 >=0.
12. the defrosting control device of direct cooling refrigerator according to claim 7, which is characterized 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 less than default in the temperature in refrigerating chamber
Shutdown temperature when, control the compressor shutdown so that the direct cooling refrigerator execute defrost movement.
13. a kind of direct cooling refrigerator, which is characterized 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)
| Publication Number | Publication Date |
|---|---|
| CN106839642A CN106839642A (en) | 2017-06-13 |
| CN106839642B true CN106839642B (en) | 2019-06-28 |
Family
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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 |
| CN114061253B (en) * | 2020-08-04 | 2023-01-20 | 青岛海尔电冰箱有限公司 | Control method of single-system refrigerator |
| CN115265048B (en) * | 2021-04-29 | 2023-08-15 | 青岛海尔电冰箱有限公司 | Refrigerator and control method thereof |
| CN113899156B (en) * | 2021-10-11 | 2022-08-12 | 珠海格力电器股份有限公司 | Refrigeration equipment, defrosting control method, device and system thereof, and storage medium |
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| US6490876B2 (en) * | 2000-02-15 | 2002-12-10 | Whirlpool Corporation | Method and apparatus for de-icing dehumidifier |
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| CN1112229A (en) * | 1994-02-28 | 1995-11-22 | 东芝株式会社 | Frost removing apparatus |
| CN1743775A (en) * | 2005-09-23 | 2006-03-08 | 海信集团有限公司 | Air-cooled variable frequency refrigerator and its control method |
| CN101963437A (en) * | 2010-09-17 | 2011-02-02 | 海信容声(广东)冰箱有限公司 | Defrosting control system and control method of refrigerator |
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