CN106918184A - A kind of control method for air door of wind cooling refrigerator, system and wind cooling refrigerator - Google Patents
A kind of control method for air door of wind cooling refrigerator, system and wind cooling refrigerator Download PDFInfo
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- CN106918184A CN106918184A CN201710160811.1A CN201710160811A CN106918184A CN 106918184 A CN106918184 A CN 106918184A CN 201710160811 A CN201710160811 A CN 201710160811A CN 106918184 A CN106918184 A CN 106918184A
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- Prior art keywords
- temperature
- air door
- compartment
- wind cooling
- threshold temperature
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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
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
- F25D17/062—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators
-
- 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
- F25D29/005—Mounting of control devices
-
- 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
- F25D2700/121—Sensors measuring the inside temperature of particular compartments
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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)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The present invention proposes a kind of control method for air door of wind cooling refrigerator, system and wind cooling refrigerator, and the control method for air door of wind cooling refrigerator includes：According to design temperature, shutdown threshold temperature and start threshold temperature are obtained；Obtain the actual temperature of compartment；Judge actual temperature whether higher than shutdown threshold temperature；When actual temperature is higher than shutdown threshold temperature, judge actual temperature whether less than start threshold temperature；When actual temperature is less than start threshold temperature, the request gear of compartment is obtained according to actual temperature, the switch amplitude of air door is controlled according to request gear.In the present invention air door can cause compartment temperature from design temperature farther out when, can quickly be freezed or be stopped refrigeration, compartment temperature is rapidly achieved the preference temperature of fresh-keeping food materials.And when temperature is close to design temperature, temperature adjustmemt is carried out in a small range, and without open and close air door repeatedly, reduce air door workload, the service life of air door is improve, save user's living cost.
Description
Technical field
The present invention relates to wind cooling refrigerator technical field, in particular to a kind of control method for air door of wind cooling refrigerator, it is
System and wind cooling refrigerator.
Background technology
Existing wind cooling refrigerator control technology, according to the target temperature of target compartment, taking-up starts to freeze and stop refrigeration
Temperature threshold.When target compartment temperature is higher than refrigeration threshold value is started, air door and correspondence blower fan are opened, between cold wind is sent into
Room；When stopping cryogenic temperature threshold value is reached, air door is closed, now compartment temperature is influenced by ambient temperature, gone up to start threshold
During value, it is again turned on air door and blower fan is freezed.So repeatedly so that the temperature of target compartment fluctuates between two threshold values.
With the improvement of living standards, user to the temperature control requirement of refrigerator also more and more higher, prior art has following
Shortcoming：
(1) refrigerator compartment temperature is actual between two threshold values, when compartment is smaller, air door is caused in order to reach target temperature
Open and close action repeatedly, and the fluctuation of refrigerator compartment temperature is larger；
(2) refrigerator compartment control is only freezed, do not freeze two states, fails to enter Mobile state according to the situation of actual temperature
Amendment.
The content of the invention
It is contemplated that at least solving one of technical problem present in prior art or correlation technique.
Therefore, it is an object of the present invention to propose a kind of control method for air door of wind cooling refrigerator.
It is another object of the present invention to propose a kind of air door control system of wind cooling refrigerator.
Another object of the present invention is to propose a kind of wind cooling refrigerator.
In view of this, an a kind of purpose of the invention, it is proposed that control method for air door of wind cooling refrigerator, including：
According to design temperature, shutdown threshold temperature and start threshold temperature are obtained；Obtain the actual temperature of compartment；Judging actual temperature is
It is no higher than shutdown threshold temperature；When actual temperature is higher than shutdown threshold temperature, judge actual temperature whether less than start threshold value
Temperature；When actual temperature is less than start threshold temperature, the request gear of compartment is obtained according to actual temperature, according to request gear
Control the switch amplitude of air door.
The present invention provide wind cooling refrigerator control method for air door, according to setting temperature calculate shutdown threshold temperature and
Start threshold temperature, obtains the actual temperature of refrigerator compartment in real time, in time-temperature higher than shutdown threshold temperature and less than start
During threshold temperature, the request gear of the refrigerator compartment where obtaining actual temperature, that is, the demand degree of request of freezing, according to request shelves
The switch amplitude of position correspondence control air door.Such as request gear is 0 to N grades (N grades is completely shelves, and N is the integer more than 1), often
One of the individual corresponding air door of request gear opens or closes amplitude, when actual temperature differs more with design temperature, makes wind
Door to open or close amplitude larger so that actual temperature fast approaching design temperature, differed with design temperature in actual temperature
When smaller, make air door to open or close amplitude smaller so that the change of actual temperature close to design temperature is gentle, and when maintaining
Between it is more long, actual temperature is reached the design temperature that refrigerator compartment needs reach, maintain refrigerator compartment temperature relative constancy.
In the present invention air door can cause compartment temperature from design temperature farther out when, can quickly be freezed or be stopped refrigeration, make
Compartment temperature is rapidly achieved the preference temperature of fresh-keeping food materials.And when temperature is close to design temperature, trip temperature is entered in a small range
Amendment, without open and close air door repeatedly, reduces air door workload, improves the service life of air door, has saved user and has lived into
This.
The control method for air door of above-mentioned wind cooling refrigerator of the invention, can also have following technical characteristic：
In the above-mentioned technical solutions, it is preferable that the request gear of compartment is obtained according to actual temperature, according to request gear control
The step of switch amplitude of air door processed, specifically include：According to actual temperature and the difference of shutdown threshold temperature, asking for compartment is calculated
Seek gear；According to request gear, the switch amplitude of air door is controlled.
In the technical scheme, the difference according to actual temperature and shutdown threshold temperature determines the request gear of compartment, presses
The switch amplitude of air door is controlled according to request gear.For example, the difference of actual temperature and shutdown threshold temperature is for 6 degree, it is necessary to make reality
Border temperature fast approaching design temperature, then the request gear of corresponding compartment is 4 grades, and the switch amplitude of 4 grades of corresponding air doors is
Open larger.Realize according to actual temperature is accurate, subtly damper switch amplitude, it is to avoid air door of the prior art
Only on and off two states and to cause compartment temperature to change fluctuation larger, so as to influence the service life of air door, and then influence
The service life of refrigerator.
In any of the above-described technical scheme, it is preferable that also include：When compartment temperature is not higher than shutdown threshold temperature, please
Gear is sought for zero span, the switch amplitude for controlling air door is fully closed.
In the technical scheme, when compartment temperature is less than shutdown threshold temperature, illustrate not ask refrigeration, then ask gear
It is zero span, makes the fully closed refrigeration for not allowing cold wind to enter compartment, stopping to compartment of air door, it is to avoid compartment excessively freezes and causes the energy
Waste, compartment temperature is quickly gone up to design temperature, for the food materials of refrigerator memory storage provide preference temperature, improve user couple
The user satisfaction of refrigerator.
In any of the above-described technical scheme, it is preferable that also include：When compartment temperature is not less than start threshold temperature, please
It is full shelves to seek gear, and the switch amplitude for controlling air door is standard-sized sheet.
In the technical scheme, when compartment temperature is higher than start threshold temperature, request gear is full shelves, and control air door is complete
Open, a large amount of cold wind are sent into compartment, start to freeze compartment, compartment temperature is quickly returned and be down to design temperature, it is to avoid between refrigerator
Room temperature is raised and influences the fresh-keeping effect of food materials in refrigerator, prevents the food materials of storage from going bad, it is ensured that the as received basis of refrigerator
Amount.
In any of the above-described technical scheme, it is preferable that also include：According to request gear, correspondence divides the switch width of air door
Degree.
In the technical scheme, by the division corresponding with request gear of the switch amplitude of air door, by different request gears
The switch amplitude of air door is neatly controlled, i.e., air door corresponds to fully closed or standard-sized sheet when it is zero span or full shelves to ask gear, makes ice
Case compartment temperature convergence design temperature, when it is between zero span and full shelves to ask gear, according to request gear neatly, by a small margin
Ground switch air door, makes the control waveform of compartment temperature smaller, and then accounting of the compartment temperature near design temperature is carried significantly
Height, at the same avoid ceaselessly, significantly standard-sized sheet or fully closed air door reduction air door service life.
In any of the above-described technical scheme, it is preferable that also include：Switch amplitude control rotation speed of fan according to air door.
In the technical scheme, the switch amplitude according to air door, Dynamic Matching blower fan correspondence rotating speed, it is bigger that air door is opened
Or it is smaller, corresponding rotation speed of fan is higher or lower, and then increases or reduce air output.From throttle opening and rotation speed of fan two
Aspect is carried out simultaneously, actual temperature is reached the speed of design temperature faster, refrigerator is had more preferable operating efficiency and work
Effect, improves the experience of user.
A kind of another purpose of the invention, it is proposed that air door control system of wind cooling refrigerator, including：Obtain single
Unit, for according to design temperature, obtaining shutdown threshold temperature and start threshold temperature；And obtain the actual temperature of compartment；Sentence
Disconnected unit, for judging actual temperature whether higher than shutdown threshold temperature；And when actual temperature is higher than shutdown threshold temperature,
Judge actual temperature whether less than start threshold temperature；Airdoor control unit, for when actual temperature is less than start threshold temperature
When, the request gear of compartment is obtained according to actual temperature, the switch amplitude of the air door is controlled according to request gear.
The air door control system of the wind cooling refrigerator that the present invention is provided, acquiring unit calculates shutdown threshold according to the temperature of setting
Value temperature and start threshold temperature, obtain the actual temperature of refrigerator compartment in real time, and determining time-temperature in judging unit is higher than
Shutdown threshold temperature and less than start threshold temperature when, the request of refrigerator compartment of the airdoor control unit according to where actual temperature
Gear, that is, the demand degree of request of freezing, according to the switch amplitude of request gear correspondence control air door.For example request gear is 0 to N
Shelves (N grades is completely shelves, and N is the integer more than 1), of each corresponding air door of request gear opens or closes amplitude,
When actual temperature differs more with design temperature, make air door to open or close amplitude larger so that actual temperature fast approaching
Design temperature, when actual temperature differs smaller with design temperature, make air door to open or close amplitude smaller so that actual temperature
The change of degree close to design temperature is gentle, and it is more long to hold time, and actual temperature is reached what refrigerator compartment needs reached
Design temperature, maintains refrigerator compartment temperature relative constancy.In the present invention air door can cause compartment temperature from design temperature compared with
When remote, can quickly be freezed or be stopped refrigeration, compartment temperature is rapidly achieved the preference temperature of fresh-keeping food materials.And in temperature
During close to design temperature, temperature adjustmemt is carried out in a small range, without open and close air door repeatedly, reduce air door workload, improved
The service life of air door, has saved user's living cost.
The air door control system of above-mentioned wind cooling refrigerator of the invention, can also have following technical characteristic：
In the above-mentioned technical solutions, it is preferable that airdoor control unit, specifically for：According to actual temperature and shutdown threshold
The difference of temperature, calculates the request gear of compartment；And according to request gear, control the switch amplitude of air door.
In the technical scheme, airdoor control unit determines compartment according to the difference of actual temperature and shutdown threshold temperature
Request gear, the switch amplitude of air door is controlled according to request gear.For example, actual temperature is 6 with the difference of shutdown threshold temperature
, it is necessary to make actual temperature fast approaching design temperature, then the request gear of corresponding compartment is 4 grades to degree, 4 grades of corresponding air doors
Switch amplitude is larger to open.Realize according to actual temperature is accurate, subtly damper switch amplitude, it is to avoid existing skill
Air door in art only has on and off two states and causes compartment temperature change fluctuation larger, so as to influence the use longevity of air door
Life, and then influence the service life of refrigerator.
In any of the above-described technical scheme, it is preferable that airdoor control unit, it is additionally operable to be not higher than shutdown threshold when compartment temperature
During value temperature, request gear is zero span, and the switch amplitude for controlling air door is fully closed.
In the technical scheme, when compartment temperature is less than shutdown threshold temperature, illustrate not ask refrigeration, then ask gear
It is zero span, makes the fully closed refrigeration for not making cold wind enter compartment, stopping to compartment of air door, it is to avoid compartment excessively freezes and causes the energy
Waste, compartment temperature is quickly gone up to design temperature, for the food materials of refrigerator memory storage provide preference temperature, improve user couple
The user satisfaction of refrigerator.
In any of the above-described technical scheme, it is preferable that airdoor control unit, it is additionally operable to be not less than start threshold when compartment temperature
During value temperature, request gear is full shelves, and the switch amplitude for controlling air door is standard-sized sheet.
In the technical scheme, when compartment temperature is higher than start threshold temperature, request gear is full shelves, and control air door is complete
Open, a large amount of cold wind are sent into compartment, start to freeze compartment, compartment temperature is quickly returned and be down to design temperature, it is to avoid between refrigerator
Room temperature is raised and influences the fresh-keeping effect of food materials in refrigerator, prevents the food materials of storage from going bad, it is ensured that the as received basis of refrigerator
Amount.
In any of the above-described technical scheme, it is preferable that also include：Division unit, for according to request gear, correspondence to be divided
The switch amplitude of air door.
In the technical scheme, division unit by the switch amplitude of air door with request gear it is corresponding division, by different
Request gear neatly controls the switch amplitude of air door, i.e., air door corresponds to fully closed or complete when it is zero span or full shelves to ask gear
Open, make refrigerator compartment temperatures approach design temperature, it is flexible according to request gear when it is between zero span and full shelves to ask gear
Ground, switch air door by a small margin, make the control waveform of compartment temperature smaller, and then make compartment temperature accounting near design temperature
Than greatly improving, at the same avoid ceaselessly, significantly standard-sized sheet or fully closed air door reduction air door service life.
In any of the above-described technical scheme, it is preferable that also include：Air-blower control unit, for the switch width according to air door
Degree control rotation speed of fan.
In the technical scheme, air-blower control unit is according to the switch amplitude of air door, Dynamic Matching blower fan correspondence rotating speed, wind
It is bigger or smaller that door is opened, and corresponding rotation speed of fan is higher or lower, and then increase or reduce air output.From throttle opening and
Two aspects of rotation speed of fan are carried out simultaneously, actual temperature is reached the speed of design temperature faster, refrigerator is had more preferable work
Make efficiency and working effect, improve the experience of user.
A kind of further object of the invention, it is proposed that wind cooling refrigerator, including any of the above-described wind cooling refrigerator
Air door control system.
The wind cooling refrigerator that the present invention is provided includes the air door control system of wind cooling refrigerator, temperature of the acquiring unit according to setting
Shutdown threshold temperature and start threshold temperature are calculated, the actual temperature of refrigerator compartment is obtained in real time, determined in judging unit
When time-temperature is higher than shutdown threshold temperature and less than start threshold temperature, ice of the airdoor control unit according to where actual temperature
The request gear of case compartment, that is, the demand degree of request of freezing, according to the switch amplitude of request gear correspondence control air door.For example please
It is 0 to N grade (N grade is completely shelves, and N is the integer more than 1) to seek gear, each request gear correspond to one of air door opening or
Closing amplitude, when actual temperature differs more with design temperature, make air door to open or close amplitude larger so that actual temperature
Degree fast approaching design temperature, when actual temperature differs smaller with design temperature, make air door to open or close amplitude smaller,
So that the change of actual temperature close to design temperature is gentle, and it is more long to hold time, and actual temperature is reached refrigerator compartment
The design temperature that needs reach, maintains refrigerator compartment temperature relative constancy.In the present invention air door can cause compartment temperature from
Design temperature farther out when, can quickly be freezed or be stopped refrigeration, compartment temperature is rapidly achieved the suitable temperature of fresh-keeping food materials
Degree.And when temperature is close to design temperature, temperature adjustmemt is carried out in a small range, without open and close air door repeatedly, reduce air door
Workload, improves the service life of air door, has saved user's living cost.
Additional aspect of the invention and advantage will become obvious in following description section, or by practice of the invention
Recognize.
Brief description of the drawings
Of the invention above-mentioned and/or additional aspect and advantage will become from description of the accompanying drawings below to embodiment is combined
Substantially and be readily appreciated that, wherein：
Fig. 1 shows the schematic flow sheet of the control method for air door of the wind cooling refrigerator of one embodiment of the present of invention；
Fig. 2 shows the schematic flow sheet of the control method for air door of the wind cooling refrigerator of an alternative embodiment of the invention；
Fig. 3 shows the schematic flow sheet of the control method for air door of the wind cooling refrigerator of yet another embodiment of the present invention；
Fig. 4 shows the schematic block diagram of the air door control system of the wind cooling refrigerator of one embodiment of the present of invention；
Fig. 5 shows the schematic block diagram of the wind cooling refrigerator of one embodiment of the present of invention.
Specific embodiment
It is below in conjunction with the accompanying drawings and specific real in order to be more clearly understood that the above objects, features and advantages of the present invention
Mode is applied to be further described in detail the present invention.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 in order to fully understand the present invention, but, the present invention may be used also
Implemented with being different from other modes described here using other, therefore, protection scope of the present invention is not limited to following public affairs
The limitation of the specific embodiment opened.
The embodiment of first aspect present invention, proposes a kind of control method for air door of wind cooling refrigerator, and Fig. 1 shows the present invention
One embodiment wind cooling refrigerator control method for air door schematic flow sheet.Wherein, the method includes：
Step 102, according to design temperature, obtains shutdown threshold temperature and start threshold temperature；
Step 104, obtains the actual temperature of compartment；
Whether step 106, judge actual temperature higher than shutdown threshold temperature；
Whether step 108, when actual temperature is higher than shutdown threshold temperature, judge actual temperature less than start threshold value temperature
Degree；
Step 110, when actual temperature is less than start threshold temperature, the request gear of compartment is obtained according to actual temperature,
The switch amplitude of air door is controlled according to request gear.
The present invention provide wind cooling refrigerator control method for air door, according to setting temperature calculate shutdown threshold temperature and
Start threshold temperature, obtains the actual temperature of refrigerator compartment in real time, in time-temperature higher than shutdown threshold temperature and less than start
During threshold temperature, the request gear of the refrigerator compartment where obtaining actual temperature, that is, the demand degree of request of freezing, according to request shelves
The switch amplitude of position correspondence control air door.Such as request gear is 0 to N grades (N grades is completely shelves, and N is the integer more than 1), often
One of the individual corresponding air door of request gear opens or closes amplitude, when actual temperature differs more with design temperature, makes wind
Door to open or close amplitude larger so that actual temperature fast approaching design temperature, differed with design temperature in actual temperature
When smaller, make air door to open or close amplitude smaller so that the change of actual temperature close to design temperature is gentle, and when maintaining
Between it is more long, actual temperature is reached the design temperature that refrigerator compartment needs reach, maintain refrigerator compartment temperature relative constancy.
In the present invention air door can cause compartment temperature from design temperature farther out when, can quickly be freezed or be stopped refrigeration, make
Compartment temperature is rapidly achieved the preference temperature of fresh-keeping food materials.And when temperature is close to design temperature, trip temperature is entered in a small range
Amendment, without open and close air door repeatedly, reduces air door workload, improves the service life of air door, has saved user and has lived into
This.
Fig. 2 shows the schematic flow sheet of the control method for air door of the wind cooling refrigerator of an alternative embodiment of the invention.Its
In, the method includes：
Step 202, according to design temperature, obtains shutdown threshold temperature and start threshold temperature；
Step 204, obtains the actual temperature of compartment；
Whether step 206, judge actual temperature higher than shutdown threshold temperature；
Whether step 208, when actual temperature is higher than shutdown threshold temperature, judge actual temperature less than start threshold value temperature
Degree；
Step 210, when actual temperature is less than start threshold temperature, according to actual temperature and the difference of shutdown threshold temperature
Value, calculates the request gear of compartment；
Step 212, according to request gear, controls the switch amplitude of air door；
Step 214, when compartment temperature is not higher than shutdown threshold temperature, request gear is zero span, controls the switch of air door
Amplitude is fully closed；
Step 216, when compartment temperature is not less than start threshold temperature, request gear is full shelves, controls the switch of air door
Amplitude is standard-sized sheet.
In this embodiment, the difference according to actual temperature and shutdown threshold temperature determines the request gear of compartment, according to
Request gear controls the switch amplitude of air door.For example, the difference of actual temperature and shutdown threshold temperature is for 6 degree, it is necessary to make reality
Temperature fast approaching design temperature, then the request gear of corresponding compartment is 4 grades, and 4 grades of switch amplitudes of corresponding air door are to beat
Open larger.Realize according to actual temperature is accurate, subtly damper switch amplitude, it is to avoid air door of the prior art is only
There are on and off two states and cause compartment temperature change fluctuation larger, so as to influence the service life of air door, and then influence ice
The service life of case.When compartment temperature is less than shutdown threshold temperature, illustrate not ask refrigeration, then it is zero span to ask gear, is made
Air door is fully closed not to make cold wind enter compartment, stops the refrigeration to compartment, it is to avoid compartment excessively freezes and causes energy waste, between making
Room temperature is quickly gone up to design temperature, and for the food materials of refrigerator memory storage provide preference temperature, improve user makes to refrigerator
Use satisfaction.When compartment temperature is higher than start threshold temperature, request gear is full shelves, full trrottle is controlled, by a large amount of cold wind
Feeding compartment, starts to freeze compartment, compartment temperature is quickly returned and is down to design temperature, it is to avoid refrigerator compartment temperature is raised and shadow
The fresh-keeping effect of the food materials in refrigerator is rung, prevents the food materials of storage from going bad, it is ensured that the work quality of refrigerator.
Fig. 3 shows the schematic flow sheet of the control method for air door of the wind cooling refrigerator of yet another embodiment of the present invention.Its
In, the method includes：
Step 300, according to request gear, correspondence divides the switch amplitude of air door；
Step 302, according to design temperature, obtains shutdown threshold temperature and start threshold temperature；
Step 204, obtains the actual temperature of compartment；
Whether step 306, judge actual temperature higher than shutdown threshold temperature；
Whether step 308, when actual temperature is higher than shutdown threshold temperature, judge actual temperature less than start threshold value temperature
Degree；
Step 310, when actual temperature is less than start threshold temperature, according to actual temperature and the difference of shutdown threshold temperature
Value, calculates the request gear of compartment；
Step 312, according to request gear, controls the switch amplitude of air door；
Step 314, when compartment temperature is not higher than shutdown threshold temperature, request gear is zero span, controls the switch of air door
Amplitude is fully closed；
Step 316, when compartment temperature is not less than start threshold temperature, request gear is full shelves, controls the switch of air door
Amplitude is standard-sized sheet；
Step 318, the switch amplitude control rotation speed of fan according to air door.
In this embodiment, by the division corresponding with request gear of the switch amplitude of air door, by different request gear spirits
The switch amplitude of air door is controlled livingly, i.e., when it is zero span or full shelves to ask gear, air door corresponds to fully closed or standard-sized sheet, makes refrigerator
Compartment temperature convergence design temperature, when it is between zero span and full shelves to ask gear, according to request gear neatly, by a small margin
Switch air door, makes the control waveform of compartment temperature smaller, and then greatly improves accounting of the compartment temperature near design temperature,
Simultaneously avoid ceaselessly, significantly standard-sized sheet or fully closed air door reduction air door service life.Wind is being controlled according to actual temperature
After the switch amplitude of door, the switch amplitude according to air door, Dynamic Matching blower fan correspondence rotating speed, it is bigger or smaller that air door is opened,
Corresponding rotation speed of fan is higher or lower, and then increases or reduce air output.It is same in terms of throttle opening and rotation speed of fan two
Shi Jinhang, makes actual temperature reach the speed of design temperature faster, refrigerator is had more preferable operating efficiency and working effect, carries
The experience of user high.
The embodiment of second aspect present invention, proposes a kind of air door control system 400 of wind cooling refrigerator, and Fig. 4 shows this
The schematic block diagram of the air door control system 400 of the wind cooling refrigerator of one embodiment of invention.Wherein, the system includes：
Acquiring unit 402, for according to design temperature, obtaining shutdown threshold temperature and start threshold temperature；And obtain
The actual temperature of compartment；
Judging unit 404, for judging actual temperature whether higher than shutdown threshold temperature；And when actual temperature is higher than to stop
During machine threshold temperature, judge actual temperature whether less than start threshold temperature；
Airdoor control unit 406, for when actual temperature is less than start threshold temperature, compartment being obtained according to actual temperature
Request gear, the switch amplitude of the air door is controlled according to request gear.
The air door control system 400 of the wind cooling refrigerator that the present invention is provided, acquiring unit 402 is calculated according to the temperature of setting
Shutdown threshold temperature and start threshold temperature, obtain the actual temperature of refrigerator compartment in real time, and the time is determined in judging unit 404
When temperature is higher than shutdown threshold temperature and less than start threshold temperature, ice of the airdoor control unit 406 according to where actual temperature
The request gear of case compartment, that is, the demand degree of request of freezing, according to the switch amplitude of request gear correspondence control air door.For example please
It is 0 to N grade (N grade is completely shelves, and N is the integer more than 1) to seek gear, each request gear correspond to one of air door opening or
Closing amplitude, when actual temperature differs more with design temperature, make air door to open or close amplitude larger so that actual temperature
Degree fast approaching design temperature, when actual temperature differs smaller with design temperature, make air door to open or close amplitude smaller,
So that the change of actual temperature close to design temperature is gentle, and it is more long to hold time, and actual temperature is reached refrigerator compartment
The design temperature that needs reach, maintains refrigerator compartment temperature relative constancy.In the present invention air door can cause compartment temperature from
Design temperature farther out when, can quickly be freezed or be stopped refrigeration, compartment temperature is rapidly achieved the suitable temperature of fresh-keeping food materials
Degree.And when temperature is close to design temperature, temperature adjustmemt is carried out in a small range, without open and close air door repeatedly, reduce air door
Workload, improves the service life of air door, has saved user's living cost.
In one embodiment of the invention, it is preferable that airdoor control unit 406, specifically for：According to actual temperature with
The difference of shutdown threshold temperature, calculates the request gear of compartment；And according to request gear, control the switch amplitude of air door.
In this embodiment, airdoor control unit 406 determines compartment according to the difference of actual temperature and shutdown threshold temperature
Request gear, according to request gear control air door switch amplitude.For example, actual temperature is with the difference of shutdown threshold temperature
6 degree, it is necessary to make actual temperature fast approaching design temperature, then the request gear of corresponding compartment is 4 grades, 4 grades of corresponding air doors
Switch amplitude for open it is larger.Realize according to actual temperature is accurate, subtly damper switch amplitude, it is to avoid existing
Air door in technology only has on and off two states and causes compartment temperature change fluctuation larger, so as to influence the use longevity of air door
Life, and then influence the service life of refrigerator.
In one embodiment of the invention, it is preferable that airdoor control unit 406, it is additionally operable to be not higher than when compartment temperature
During shutdown threshold temperature, request gear is zero span, and the switch amplitude for controlling air door is fully closed.
In this embodiment, when compartment temperature is less than shutdown threshold temperature, illustrate not ask refrigeration, then request gear is
Zero span, makes the fully closed refrigeration for not making cold wind enter compartment, stopping to compartment of air door, it is to avoid compartment excessively freezes and causes energy wave
Take, compartment temperature is quickly gone up to design temperature, for the food materials of refrigerator memory storage provide preference temperature, improve user to ice
The user satisfaction of case.
In one embodiment of the invention, it is preferable that airdoor control unit 406, it is additionally operable to be not less than when compartment temperature
During start threshold temperature, request gear is full shelves, and the switch amplitude for controlling air door is standard-sized sheet.
In this embodiment, when compartment temperature is higher than start threshold temperature, request gear is full shelves, and control air door is complete
Open, a large amount of cold wind are sent into compartment, start to freeze compartment, compartment temperature is quickly returned and be down to design temperature, it is to avoid between refrigerator
Room temperature is raised and influences the fresh-keeping effect of food materials in refrigerator, prevents the food materials of storage from going bad, it is ensured that the as received basis of refrigerator
Amount.
In one embodiment of the invention, as shown in Figure 4, it is preferable that the air door control system of wind cooling refrigerator includes：Draw
Subdivision 408, for according to request gear, correspondence to divide the switch amplitude of air door.
Also include simultaneously：
Acquiring unit 402, for according to design temperature, obtaining shutdown threshold temperature and start threshold temperature；And obtain
The actual temperature of compartment；
Judging unit 404, for judging actual temperature whether higher than shutdown threshold temperature；And when actual temperature is higher than to stop
During machine threshold temperature, judge actual temperature whether less than start threshold temperature；
Airdoor control unit 406, for when actual temperature is less than start threshold temperature, compartment being obtained according to actual temperature
Request gear, the switch amplitude of the air door is controlled according to request gear.
In this embodiment, division unit 408 by the switch amplitude of air door with request gear it is corresponding division, by different
Request gear neatly controls the switch amplitude of air door, i.e., air door corresponds to fully closed or complete when it is zero span or full shelves to ask gear
Open, make refrigerator compartment temperatures approach design temperature, it is flexible according to request gear when it is between zero span and full shelves to ask gear
Ground, switch air door by a small margin, make the control waveform of compartment temperature smaller, and then make compartment temperature accounting near design temperature
Than greatly improving, at the same avoid ceaselessly, significantly standard-sized sheet or fully closed air door reduction air door service life.Acquiring unit
402 calculate shutdown threshold temperature and start threshold temperature according to the temperature of setting, and the actual temperature of refrigerator compartment is obtained in real time,
When judging unit 404 determines time-temperature higher than shutdown threshold temperature and less than start threshold temperature, airdoor control unit
The request gear of 406 refrigerator compartment according to where actual temperature, that is, the demand degree of request of freezing is controlled according to request gear correspondence
The switch amplitude of air door processed.
In one embodiment of the invention, it is preferable that the air door control system of wind cooling refrigerator includes：
Air-blower control unit 410, for controlling rotation speed of fan according to the switch amplitude of air door.
Also include simultaneously：
Acquiring unit 402, for according to design temperature, obtaining shutdown threshold temperature and start threshold temperature；And obtain
The actual temperature of compartment；
Judging unit 404, for judging actual temperature whether higher than shutdown threshold temperature；And when actual temperature is higher than to stop
During machine threshold temperature, judge actual temperature whether less than start threshold temperature；
Airdoor control unit 406, for when actual temperature is less than start threshold temperature, compartment being obtained according to actual temperature
Request gear, the switch amplitude of the air door is controlled according to request gear；
Division unit 408, for according to request gear, correspondence to divide the switch amplitude of air door.
In this embodiment, air-blower control unit 410 is according to the switch amplitude of air door, Dynamic Matching blower fan correspondence rotating speed,
It is bigger or smaller that air door is opened, and corresponding rotation speed of fan is higher or lower, and then increase or reduce air output.From throttle opening
Carried out simultaneously with two aspects of rotation speed of fan, actual temperature is reached the speed of design temperature faster, there is refrigerator more preferable
Operating efficiency and working effect, improve the experience of user.Acquiring unit 402 calculates shutdown threshold according to the temperature of setting
Value temperature and start threshold temperature, obtain the actual temperature of refrigerator compartment in real time, determine time-temperature in judging unit 404 high
During in shutdown threshold temperature and less than start threshold temperature, refrigerator compartment of the airdoor control unit 406 according to where actual temperature
Request gear, that is, the demand degree of request of freezing, according to request gear correspondence control air door switch amplitude, division unit 408
Make the switch amplitude of air door corresponding with request gear, the switch amplitude of air door is neatly controlled by different request gears.
The embodiment of third aspect present invention, proposes a kind of wind cooling refrigerator 500, and Fig. 5 shows an implementation of the invention
The schematic block diagram of the wind cooling refrigerator 500 of example, wind cooling refrigerator 500 includes the air door control system of the wind cooling refrigerator of any of the above-described
400。
The wind cooling refrigerator that the present invention is provided includes the air door control system 400 of wind cooling refrigerator, and acquiring unit 402 is according to setting
Temperature calculate shutdown threshold temperature and start threshold temperature, in real time obtain refrigerator compartment actual temperature, in judging unit
404 determine time-temperature higher than shutdown threshold temperature and less than start threshold temperature when, airdoor control unit 406 is according to reality
The request gear of the refrigerator compartment where temperature, that is, the demand degree of request of freezing, according to opening for request gear correspondence control air door
Pass amplitude.Such as request gear is 0 to N grades (N grades is completely shelves, and N is the integer more than 1), each corresponding wind of request gear
One of door opens or closes amplitude, and when actual temperature differs more with design temperature, make air door opens or closes amplitude
It is larger so that actual temperature fast approaching design temperature, when actual temperature differs smaller with design temperature, make the opening of air door
Or closing amplitude is smaller so that the change of actual temperature close to design temperature is gentle, and it is more long to hold time, and finally makes actual temperature
Degree reaches the design temperature that refrigerator compartment needs to reach, and maintains refrigerator compartment temperature relative constancy.Air door can make in the present invention
Compartment temperature from design temperature farther out when, can quickly be freezed or be stopped refrigeration, compartment temperature is rapidly achieved guarantor
Eat the preference temperature of material raw.When temperature is close to design temperature, temperature adjustmemt is carried out in a small range, without open and close repeatedly
Air door, reduces air door workload, improves the service life of air door, has saved user's living cost.
In specific embodiment of the invention, the control section of the refrigeration of wind cooling refrigerator target compartment is mainly by air door, wind
Machine is constituted.The control method for air door of wind cooling refrigerator is the relation of the actual temperature by compartment and target temperature, and simulation trial goes out
Freeze the demand degree asked, and degree control air door, blower fan are opened with respective amplitude, operated according to demand.Reached in actual temperature
To after target temperature, dynamic is opened amplitude and is modified to air door, and matches with corresponding rotation speed of fan and air quantity, and then maintains
Compartment temperature relative constancy.Air door can be modified action in a small range simultaneously, without open and close repeatedly, increase air door
Service life.The control method for air door of wind cooling refrigerator is specifically included：
Step one, request judges：A judgement request is with or without this control method will be asked in being different from existing control technology
It is divided into N grades.When judging to start, system acquisition sensor temperature, and start is calculated according to target temperature, two threshold values are shut down
Temperature.When temperature is less than shutdown threshold temperature, stop request, when temperature is higher than start threshold temperature, output request degree is expired
Shelves N, when falling between, according to actual temperature and the gap of shutdown temperature, Difference Calculation goes out gear.
Step 2, airdoor control：According to compartment request degree, by air door from standard-sized sheet to fully closed, N number of amplitude is divided into, correspondence
The request degree of compartment, amplitude is opened by airdoor control to target.Request degree is higher, and air door is opened bigger.
Step 3, air-blower control：Amplitude, Dynamic Matching blower fan correspondence rotating speed are opened according to air door.It is bigger that air door is opened,
Rotation speed of fan is higher.
By performing three above step repeatedly, realize compartment temperature：
(1) when temperature is higher than start threshold value, the full shelves of output request degree；When temperature is less than shutdown threshold, compartment stops
Request；
(2) temperature between open, stop between threshold value when, according to the gap with shutdown threshold, export intermediate request degree stepping
State, and adjustment air door opens amplitude, matches suitable rotation speed of fan accordingly.Make compartment temperature when target temperature is leveled off to,
Change is gentle, and it is more long to hold time.
By above control method so that compartment temperature from target temperature farther out when, can quickly be freezed or be stopped
Only freeze.When temperature is close to target temperature, temperature change fluctuation is small, maintenance equilibration time is long, and the control action of air door is more
It is that dynamically adjustment, without open and close repeatedly, improves the action service life of air door in small range.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean that the specific features, structure, material or the feature that are described with reference to the embodiment or example are contained in of the invention at least one real
In applying example or example.In this manual, the schematic representation to above-mentioned term is not necessarily referring to identical embodiment or reality
Example.And, the specific features of description, structure, material or feature can in one or more any embodiments or example with
Suitable mode is combined.
The preferred embodiments of the present invention are the foregoing is only, is not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.It is all within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (13)
1. a kind of control method for air door of wind cooling refrigerator, it is characterised in that including：
According to design temperature, shutdown threshold temperature and start threshold temperature are obtained；
Obtain the actual temperature of compartment；
Judge the actual temperature whether higher than the shutdown threshold temperature；
When the actual temperature is higher than the shutdown threshold temperature, judge the actual temperature whether less than the start threshold value
Temperature；
When the actual temperature is less than the start threshold temperature, the request shelves of the compartment are obtained according to the actual temperature
Position, the switch amplitude of the air door is controlled according to the request gear.
2. the control method for air door of wind cooling refrigerator according to claim 1, it is characterised in that described according to the actual temperature
Degree obtains the request gear of the compartment, the step of control the switch amplitude of the air door according to the request gear, specific bag
Include：
According to the actual temperature and the difference of the shutdown threshold temperature, the request gear of the compartment is calculated；
According to the request gear, the switch amplitude of the air door is controlled.
3. the control method for air door of wind cooling refrigerator according to claim 1, it is characterised in that also include：When the compartment
When temperature is less than the shutdown threshold temperature, the request gear is zero span, and the switch amplitude for controlling the air door is fully closed.
4. the control method for air door of wind cooling refrigerator according to claim 1, it is characterised in that also include：When the compartment
When temperature is higher than the start threshold temperature, the request gear is full shelves, and the switch amplitude for controlling the air door is standard-sized sheet.
5. the control method for air door of wind cooling refrigerator according to claim 1, it is characterised in that also include：Asked according to described
Gear is sought, correspondence divides the switch amplitude of the air door.
6. the control method for air door of wind cooling refrigerator according to any one of claim 1 to 5, it is characterised in that also include：
Switch amplitude control rotation speed of fan according to the air door.
7. a kind of air door control system of wind cooling refrigerator, it is characterised in that including：
Acquiring unit, for according to design temperature, obtaining shutdown threshold temperature and start threshold temperature；And obtain the reality of compartment
Border temperature；
Judging unit, for judging the actual temperature whether higher than the shutdown threshold temperature；And when the actual temperature
During higher than the shutdown threshold temperature, judge the actual temperature whether less than the start threshold temperature；
Airdoor control unit, for when the actual temperature is less than the start threshold temperature, being obtained according to the actual temperature
The request gear of the compartment is taken, the switch amplitude of the air door is controlled according to the request gear.
8. the air door control system of wind cooling refrigerator according to claim 7, it is characterised in that the airdoor control unit,
Specifically for：
According to the actual temperature and the difference of the shutdown threshold temperature, the request gear of the compartment is calculated；And according to
The request gear, controls the switch amplitude of the air door.
9. the air door control system of wind cooling refrigerator according to claim 7, it is characterised in that
The airdoor control unit, is additionally operable to when the compartment temperature is less than the shutdown threshold temperature, the request gear
It is zero span, the switch amplitude for controlling the air door is fully closed.
10. the air door control system of wind cooling refrigerator according to claim 7, it is characterised in that
The airdoor control unit, is additionally operable to when the compartment temperature is higher than the start threshold temperature, the request gear
It is full shelves, the switch amplitude for controlling the air door is standard-sized sheet.
The air door control system of 11. wind cooling refrigerators according to claim 7, it is characterised in that also include：
Division unit, for according to the request gear, correspondence to divide the switch amplitude of the air door.
The air door control system of 12. wind cooling refrigerator according to any one of claim 7 to 11, it is characterised in that also wrap
Include：
Air-blower control unit, for controlling rotation speed of fan according to the switch amplitude of the air door.
A kind of 13. wind cooling refrigerators, it is characterised in that including：
The air door control system of the wind cooling refrigerator as any one of claim 7 to 12.
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| CN109103450A (en) * | 2018-08-01 | 2018-12-28 | 天能电池(芜湖)有限公司 | A kind of control method for air door for extending lead plaster high temperature and holding time |
| CN109269191A (en) * | 2018-09-12 | 2019-01-25 | 合肥晶弘电器有限公司 | A kind of refrigeration equipment and its control method with deep jelly function |
| CN109855364A (en) * | 2019-03-15 | 2019-06-07 | 长虹美菱股份有限公司 | A kind of adaptive rotating electric flap control method for refrigerator |
| CN111156766A (en) * | 2020-03-04 | 2020-05-15 | 江苏元隆电器有限公司 | Temperature control method for air-cooled refrigerator |
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| CN112484390B (en) * | 2020-11-26 | 2022-03-25 | 珠海格力电器股份有限公司 | Refrigerator temperature control method and device and refrigerator |
| CN112665297A (en) * | 2020-12-07 | 2021-04-16 | 珠海格力电器股份有限公司 | Control method and device for refrigerator air door, controller and refrigerator |
| CN112665297B (en) * | 2020-12-07 | 2022-04-22 | 珠海格力电器股份有限公司 | Control method and device for refrigerator air door, controller and refrigerator |
| CN113834275A (en) * | 2021-09-18 | 2021-12-24 | 珠海格力电器股份有限公司 | Refrigerator compartment air door control method and device and refrigerator |
| CN113959158A (en) * | 2021-10-26 | 2022-01-21 | Tcl家用电器（合肥）有限公司 | Refrigerator and control method thereof |
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