CN106247728A - Control method, control device and refrigerator - Google Patents
Control method, control device and refrigerator Download PDFInfo
- Publication number
- CN106247728A CN106247728A CN201610619198.0A CN201610619198A CN106247728A CN 106247728 A CN106247728 A CN 106247728A CN 201610619198 A CN201610619198 A CN 201610619198A CN 106247728 A CN106247728 A CN 106247728A
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- Prior art keywords
- rotating speed
- changeable compressor
- frequency
- refrigerator
- speed gear
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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
- F25D11/00—Self-contained movable devices, e.g. domestic 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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
- F25B49/022—Compressor control arrangements
-
- 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
-
- 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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2600/00—Control issues
- F25B2600/02—Compressor control
- F25B2600/021—Inverters therefor
-
- 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
-
- 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
- F25D2700/02—Sensors detecting door opening
-
- 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
- F25D2700/04—Sensors detecting the presence of a person
-
- 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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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The invention provides a kind of control method, control device and refrigerator.Wherein, control method includes, ambient temperature is divided into multiple temperature section, and multiple temperature sections are corresponding with multiple rotating speed gears of frequency-changeable compressor respectively；And the temperature section according to current environmental temperature place, determine corresponding rotating speed gear, and the speed of frequency-changeable compressor is adjusted to corresponding rotating speed gear.Pass through technical scheme, it is capable of being divided into ambient temperature multiple temperature section, the corresponding different reference rotation speed of each ambient temperature section, change according to ambient temperature carries out rotating speed control, thus improve the optimal coupling of frequency-changeable compressor and refrigerator, improve optimal preservation effect for food, be greatly improved the motility that refrigerator controls.
Description
Technical field
The present invention relates to a kind of control technology, in particular to a kind of control method, control device and refrigerator.
Background technology
Refrigeration compressor is the core of refrigeration system, and frequency-changeable compressor can make refrigerator be automatically adjusted operation power, is mesh
One important means of front refrigerator energy-saving.But, the control of market up-conversion compressor rotary speed is more mechanical, the pressure of whole refrigerator
The load variations simply by casing that changes of contracting machine rotating speed controls, and does not accounts for the ambient temperature impact on rotating speed, also
Do not account for the factor impacts on casing load variations such as subscriber switch door, more do not account for user couple when refrigerator runs at night
The requirement of compressor noise, the most really realizes intelligent variable-frequency control.
Summary of the invention
It is contemplated that at least solve one of technical problem present in prior art or correlation technique.
To this end, it is an object of the present invention to propose a kind of control method, by considering that ambient temperature is to for turning
The impact of speed carrys out more intelligently VFC.
Further object is that and propose a kind of control device.
A further object of the present invention is to propose a kind of refrigerator.
In view of this, present applicant proposes a kind of control method, for controlling the frequency-changeable compressor of refrigerator, including: by ring
Border temperature is divided into multiple temperature section, and multiple temperature sections are corresponding with multiple rotating speed gears of frequency-changeable compressor respectively；And according to working as
The temperature section at front ambient temperature place, determines corresponding rotating speed gear, and the speed of frequency-changeable compressor is adjusted to corresponding rotating speed
Gear.
In this technical scheme, by ambient temperature being divided into multiple temperature section, respectively with multiple turns of frequency-changeable compressor
Speed gear one_to_one corresponding, the rotating speed carrying out frequency-changeable compressor according to the change of current environmental temperature controls, thus realizes frequency conversion pressure
Contracting machine and the optimal coupling of refrigerator, provide optimal preservation effect for food, be greatly improved the motility that refrigerator controls.
It addition, according to the above-mentioned control method of the present invention, it is also possible to have a following additional technical characteristic:
In technique scheme, it is preferable that calculate the rate of change of the temperature of refrigerator inside at predetermined time intervals；And
Rate of change according to temperature determines whether to change the rotating speed gear of frequency-changeable compressor.
In this technical scheme, specifically, by calculating the change speed of the temperature of refrigerator inside at predetermined time intervals
Rate, can judge the rate temperature change of refrigerator inside rapidly, can understand refrigerator exactly by the rate of change of temperature
Demand to operation power, and then realize the control of the rotating speed to frequency-changeable compressor, saves energy, effectively promote what refrigerator controlled
Motility.
In technique scheme, it is preferable that determine whether to change frequency-changeable compressor according to the rate of change of temperature
Rotating speed gear specifically includes: when rate of change is more than or equal to the first value, keep current rotating speed gear；When rate of change is more than
When in the second value and being worth less than first, the rotating speed gear of frequency-changeable compressor is raised a gear；When rate of change is more than or equal to
3rd value and during less than the second value, raises two gears by the rotating speed gear of frequency-changeable compressor；And when rate of change is less than
When the 3rd is worth, the rotating speed gear of frequency-changeable compressor is raised three gears.
In this technical scheme, specifically, the interval excursion by arranging the rate of change of temperature controls to become
Frequently the rotating speed of compressor, and compressor rotary speed upshift, less than 3 grades, can accurately control the rotating speed of frequency-changeable compressor, keep away
Exempt from compressor rotary speed too high, saves energy, effectively promote the motility that refrigerator controls.
In technique scheme, it is preferable that the opening time of detection refrigerator；And determine whether to change according to the time
The rotating speed gear of frequency-changeable compressor.
In this technical scheme, specifically, when refrigerator is opened the door, indoor ambient temperature can be to the temperature of refrigerator inside
Degree produces impact, is controlled the rotating speed of frequency-changeable compressor by the opening time of detection refrigerator, can avoid the temperature of refrigerator inside
There is significantly to change, and then affect the preservation effect of food in degree, is greatly improved the motility that refrigerator controls.
In technique scheme, it is preferable that determine whether to change the rotating speed shelves of frequency-changeable compressor according to opening time
Position specifically includes: when opening time is less than or equal to the very first time, keep current rotating speed gear；When opening time is less than or equal to the
Two times and during more than the very first time, the rotating speed gear of frequency-changeable compressor is raised a gear；When rate of change is more than or equal to
When the 3rd time and second time of being less than, the rotating speed gear of frequency-changeable compressor is raised two gears；And when rate of change is big
When four time, the rotating speed gear of frequency-changeable compressor is raised three gears.
In this technical scheme, specifically, the interval excursion by arranging the refrigerator open time controls frequency conversion
The rotating speed of compressor, and compressor rotary speed upshift is less than 3 grades, can accurately control the rotating speed of frequency-changeable compressor, it is to avoid
Compressor rotary speed is too high, saves energy, effectively promotes the motility that refrigerator controls.
In technique scheme, it is preferable that when the brightness determining ambient light is less than threshold value, by frequency-changeable compressor
Rotating speed gear reduces by one grade.
In this technical scheme, specifically, a quiet environment is needed during user's rest at night, when determining environment
When the brightness of light is less than threshold value, it is described at night the operation time of refrigerator, it is therefore desirable to reduced by the rotating speed of frequency-changeable compressor
One grade, it is to avoid the temperature of refrigerator inside occurs significantly to reduce, and then affect the preservation effect of food, also complies with user to evening
The requirement of compressor noise, promotes the experience of user.
In technique scheme, it is preferable that when judging to sense human body, the rotating speed gear of frequency-changeable compressor is reduced
One grade.
In this technical scheme, specifically, when judge sense human body time, illustrate user near refrigerator, or use
Family is using refrigerator, is now not intended to refrigerator and produces the biggest noise to affect the mood of user, therefore can frequency conversion be compressed
The rotating speed of machine reduces by one grade and reduces noise, has the most both been avoided that the temperature of refrigerator inside to occur significantly and has reduced, and then impact
The preservation effect of food, also can meet user's requirement to compressor noise, promotes the experience of user.
The present invention also proposes a kind of control device, for controlling the frequency-changeable compressor of refrigerator, including: corresponding memory element,
For arranging multiple temperature section, multiple temperature sections are corresponding with multiple rotating speed gears of frequency-changeable compressor respectively；And regulation unit,
For the temperature section according to current environmental temperature place, determine corresponding rotating speed gear, and the speed of frequency-changeable compressor is regulated
To corresponding rotating speed gear.
In this technical scheme, by corresponding memory element, ambient temperature is divided into multiple temperature section, respectively with frequency conversion pressure
Multiple rotating speed gear one_to_one corresponding of contracting machine, by regulation unit, carry out frequency-changeable compressor according to the change of current environmental temperature
Rotating speed control, thus improve the optimal coupling of frequency-changeable compressor and refrigerator, provide optimal preservation effect for food, greatly
Promote the motility that refrigerator controls.
It addition, according to the above-mentioned control device of the present invention, it is also possible to have a following additional technical characteristic:
In technique scheme, it is preferable that computing unit, the change speed of the temperature in calculating refrigerator at predetermined time intervals
Rate；And regulation unit is additionally operable to the rate of change according to temperature and determines whether to change the rotating speed shelves of described frequency-changeable compressor
Position.
In this technical scheme, specifically, by computing unit, the temperature of refrigerator inside is calculated at predetermined time intervals
Rate of change, the rate temperature change of refrigerator inside can be judged rapidly, by regulation unit, according to the change of temperature speed
Rate can understand the refrigerator demand to operation power exactly, and then realizes the control of the rotating speed to frequency-changeable compressor, saves energy,
Effectively promote the motility that refrigerator controls.
In technique scheme, it is preferable that door trip, for when door refrigerator being detected is opened or closed, send out
The number of delivering letters is to timing unit；Timing unit, for starting timing when receiving opening signal, is receiving a shutdown signal
Time, terminate timing, obtain the opening time of refrigerator, and regulation unit is additionally operable to determine whether to change according to opening time become
Frequently the rotating speed gear of compressor.
In this technical scheme, specifically, when refrigerator is opened or closed, indoor ambient temperature can be in refrigerator
The temperature in portion produces impact, the switch motion of refrigerator doors can be detected by door trip, can be exactly by timing unit
Determine the opening time of refrigerator, controlled the rotating speed of frequency-changeable compressor by regulation unit according to the opening time of refrigerator, can keep away
There is significantly to change, and then affect the preservation effect of food in the temperature exempting from refrigerator inside, is greatly improved the spirit that refrigerator controls
Activity.
In technique scheme, it is preferable that optical sensor, for determining that whether the brightness of ambient light is less than threshold value；
Regulation unit is additionally operable to, when whether the brightness of ambient light is less than threshold value, the rotating speed gear of frequency-changeable compressor be reduced by one grade.
In this technical scheme, specifically, need a quiet environment during user's rest at night, sensed by light
Device may determine that the brightness of ambient light, whether less than threshold value, when the brightness of ambient light is less than threshold value, illustrates the fortune of refrigerator
The row time is at night, it is therefore desirable to the rotating speed of frequency-changeable compressor is reduced by one grade, has both been avoided that the temperature of refrigerator inside occurred bright
Aobvious reduction, affects the preservation effect of food, can meet again user's requirement to compressor noise in evening, promotes the use of user
Experience.
In technique scheme, it is preferable that human body sensing unit, it may be judged whether sense human body；Regulation unit is also used
In when judging to sense human body, the rotating speed gear of frequency-changeable compressor is reduced by one grade.
In this technical scheme, specifically, whether sense human body by human body sensing unit judges, when judging sensing
During to human body, illustrate user near refrigerator, or user is using refrigerator, now need not to wish that refrigerator produces the biggest making an uproar
Sound is to affect the mood of user, it is therefore desirable to the rotating speed of frequency-changeable compressor is reduced by one grade, had both been avoided that the temperature of refrigerator inside
There is significantly to reduce, and then affect the preservation effect of food, also comply with the requirements at the higher level that can meet user to compressor noise,
Promote the experience of user, be greatly improved the motility that refrigerator controls.
The present invention also proposes a kind of refrigerator, including the control device described in any of the above-described scheme.
Refrigerator according to an embodiment of the invention, can include corresponding memory element, ambient temperature be divided into multiple
Temperature section, respectively with multiple rotating speed gear one_to_one corresponding of frequency-changeable compressor；Computing unit, calculates refrigerator at predetermined time intervals
The rate of change of internal temperature；Regulation unit can understand refrigerator to running power exactly according to the rate of change of temperature
Demand.
Alternatively, refrigerator can also include: door trip, can detect that the switch motion of refrigerator doors；Timing unit can be accurate
Really determine the opening time of refrigerator；Regulation unit controls the rotating speed of frequency-changeable compressor according to the opening time of refrigerator.
Alternatively, refrigerator can also include: optical sensor, may determine that the brightness at ambient light is low by optical sensor
When threshold value, the rotating speed of frequency-changeable compressor is reduced by one grade, it is to avoid the temperature of refrigerator inside occurs significantly to reduce；Human body sensing
Unit, it may be judged whether sense human body, when judging to sense human body, reduces by one grade by the rotating speed of frequency-changeable compressor.
Such refrigerator can not only regulate rotating speed according to ambient temperature, moreover it is possible to according to time of refrigerator doors either on or off with
And whether have people close, whether be to operate in regulate night to turn round, regulative mode is more flexible, has both looked after the body of user
Test, the rotating speed of refrigerator can be controlled again more neatly, it is achieved that saves energy, provide optimal preservation effect for food, simultaneously
Meet user's requirement to compressor noise, promote the experience of user, be greatly improved the motility that refrigerator controls.
Accompanying drawing explanation
Fig. 1 shows the schematic flow sheet of control method according to an embodiment of the invention；
Fig. 2 shows the schematic flow sheet of control method according to another embodiment of the present invention；
Fig. 3 shows the schematic flow sheet of the control method according to one more embodiment of the present invention；
Fig. 4 shows the schematic diagram of control device according to an embodiment of the invention；
Fig. 5 shows the schematic diagram controlling device according to another embodiment of the present invention；
Fig. 6 shows refrigerator schematic diagram according to an embodiment of the invention；
Fig. 7 shows refrigerator schematic diagram according to another embodiment of the present invention.
Wherein, in Fig. 6 to Fig. 7, corresponding relation between reference and component names is:
602 door trip, 604 refrigerator temperature sensors, 606 frequency-changeable compressors, 608 environment temperature sensors, 610 people's body-sensing
Answer device, 612 optical sensors.
Detailed description of the invention
In order to be more clearly understood that the above-mentioned purpose of the present invention, feature and advantage, real with concrete below in conjunction with the accompanying drawings
The present invention is further described in detail by mode of executing.It should be noted that in the case of not conflicting, the enforcement of the application
Feature in example and embodiment can be mutually combined.
Elaborate a lot of detail in the following description so that fully understanding the present invention, but, the present invention also may be used
Implementing to use other to be different from other modes described here, therefore, protection scope of the present invention is not limited to following public affairs
The restriction of the specific embodiment opened.
Fig. 1 shows the flow process of the control method of one embodiment of the present of invention, includes as shown in Figure 1:
Step 102, is divided into multiple temperature section by ambient temperature, multiple temperature sections respectively with multiple rotating speeds of frequency-changeable compressor
Gear is corresponding, such as, as shown in table 1, temperature section can be divided into n interval, the most corresponding n kind rotating speed gear, each gear
There is corresponding compressor rotary speed；And
Step 104, according to the temperature section at current environmental temperature place, determines corresponding rotating speed gear, and frequency conversion is compressed
The speed of machine is adjusted to corresponding rotating speed gear.
More than 1 temperature section of table and multiple rotating speed gear mapping tables of frequency-changeable compressor
In this embodiment, by ambient temperature being divided into multiple temperature section, respectively with multiple rotating speeds of frequency-changeable compressor
Gear one_to_one corresponding (is shown in Table 1), and the rotating speed carrying out frequency-changeable compressor according to the change of current environmental temperature controls, thus provides change
Frequently compressor and the optimal coupling of refrigerator, provide optimal preservation effect for food, be greatly improved the motility that refrigerator controls.
Fig. 2 shows the schematic flow sheet of the control method according to one more embodiment of the present invention.In this embodiment, no
Only account for ambient temperature as shown in Figure 1, also contemplate the rate of change of the temperature of refrigerator inside simultaneously.As shown in Figure 2:
Step 202, is divided into multiple temperature section by ambient temperature, multiple temperature sections respectively with multiple rotating speeds of frequency-changeable compressor
Gear is corresponding；
Step 204, according to the temperature section at current environmental temperature place, determines corresponding rotating speed gear, and frequency conversion is compressed
The speed of machine is adjusted to corresponding rotating speed gear；
Step 206, calculates the rate of change of the temperature of refrigerator inside at predetermined time intervals；And
Step 208, determines whether to change the rotating speed gear of frequency-changeable compressor according to the rate of change of temperature.
In this embodiment, specifically, by calculating the rate of change of the temperature of refrigerator inside at predetermined time intervals,
The rate temperature change of refrigerator inside can be judged rapidly, refrigerator can be understood exactly to fortune by the rate of change of temperature
The demand of row power, and then realize the control of the rotating speed to frequency-changeable compressor, saves energy, effectively promote the flexible of refrigerator control
Property.
In this embodiment, in addition to the ambient temperature described in the embodiment shown in Fig. 1 with the corresponding relation of rotating speed,
Rate of change always according to temperature determines whether to change the rotating speed gear of frequency-changeable compressor.Alternatively, such as, rate of change is worked as
During more than or equal to the first value, keep current rotating speed gear；When rate of change more than or equal to the second value and is worth less than first, will become
Frequently the rotating speed gear of compressor raises a gear；When rate of change more than or equal to the 3rd value and is worth less than second, by frequency conversion
The rotating speed gear of compressor raises two gears；And when rate of change is less than or equal to the 3rd value, turning frequency-changeable compressor
Speed gear raises three gears.
In this embodiment, specifically, the interval excursion by arranging the rate of change of temperature controls frequency conversion pressure
The rotating speed of contracting machine, and compressor rotary speed upshift is less than 3 grades, can accurately control the rotating speed of frequency-changeable compressor, it is to avoid pressure
Contracting machine rotating speed is too high, saves energy, the most effectively promotes the motility that refrigerator controls.
Equally, the embodiment shown in Fig. 2 it is similar to, it is also possible on the basis of embodiment illustrated in fig. 1, it is considered to opening of refrigerator
The door time, the opening time of detection refrigerator；And the rotating speed gear of frequency-changeable compressor is determined whether to change according to the time.
For instance, it is preferred that determine whether that the rotating speed gear changing frequency-changeable compressor specifically includes according to opening time: when
When opening time is less than or equal to the very first time, keep current rotating speed gear；When opening time less than or equal to the second time and is more than
During the very first time, the rotating speed gear of frequency-changeable compressor is raised a gear；When rate of change is more than or equal to the 3rd time and little
When the second time, the rotating speed gear of frequency-changeable compressor is raised two gears；And when rate of change is more than four time,
The rotating speed gear of frequency-changeable compressor is raised three gears.
In this embodiment, the interval excursion by arranging the refrigerator open time controls turning of frequency-changeable compressor
Speed, and make compressor rotary speed upshift less than 3 grades, both can accurately control the rotating speed of frequency-changeable compressor, be avoided that again pressure
Contracting machine rotating speed is too high, it is achieved that saves energy, effectively promotes the motility that refrigerator controls.
It is similar to the embodiment shown in Fig. 2, it is also possible on the basis of embodiment illustrated in fig. 1, it is considered to the time of operation, example
As, operate in the refrigerator at night, often wanted to keep quite by user, therefore, alternatively, determine the bright of ambient light
When degree is less than threshold value, the rotating speed gear of frequency-changeable compressor is reduced by one grade.
It is similar to the embodiment shown in Fig. 2, it is also possible on the basis of embodiment illustrated in fig. 1, it is considered to whether have human body to connect
Nearly refrigerator, in this case, user is generally not intended to hear the biggest noise, so, having people close to refrigerator when, as
Fruit can reduce the rotating speed of refrigerator, it will is conducive to Consumer's Experience.Therefore, when judging to sense human body, by frequency-changeable compressor
Rotating speed gear reduces by one grade.
Fig. 3 shows the flow chart of control method according to still another embodiment of the invention.As it is shown on figure 3, in controlling party
In method, ambient temperature is divided into multiple temperature section, corresponding to multiple compressor rotary speeds.
Step 302, determines that refrigerator is energized；
Step 304, checks ambient temperature, determines ring temperature section Thn at current environmental temperature place；
Step 306, according to corresponding relation, determines compressor rotary speed RPM=RPM (n-1), wherein n >=2, enters the most respectively
Row is to step 308, step 312 and step 316；
Step 308, it is judged that whether ambient temperature changes, if ambient temperature raises, such as, ring temperature section Thn becomes Th (n+
1)；If ambient temperature reduces, ring temperature section Thn becomes Th (n-1)；If ambient temperature does not changes, return step 306；
Step 310, after determining that ambient temperature changes, when ring temperature section Thn becomes Th (n+1), determines turning of compressor
Speed the most correspondingly rises gear RPM=RPM (n)；When ring temperature section Thn becomes Th (n-1), determine the rotating speed of compressor also
Correspondingly reduce a gear RPM=RPM (n-2), proceed to step 322；
Step 312, after step 306 determines compressor rotary speed RPM=RPM (n-1), calculates in refrigerator at predetermined time intervals
The rate of change of the temperature in portion；
Step 314, determines whether to change the rotating speed gear of frequency-changeable compressor, if desired for changing according to the rate of change of temperature
Variable speed gear, then proceed to step 322, otherwise return step 312；
In this step, it is preferable that in order to reduce the excessive problem caused of rotation speed change, can change as follows
Rotating speed gear: determine compressor rotary speed RPM every the temperature drop Δ T of 90min according to sensor, when Δ T >=1, RPM=RPMn；
As 0.5≤Δ T ＜ 1, RPM=RPM (n+1)；As 0≤Δ T ＜ 0.5, RPM=RPM (n+2)；When Δ T≤0；RPM=
RPM (n+3), so can ensure that the change of each gear, less than three gears, reduces the infringement to equipment that gear shift too much brings.
Step 316, determines whether refrigerator doors has opening action；
Step 318, if it is determined that open work, then detection refrigerator open time；
Step 320, determines whether to change the rotating speed gear of frequency-changeable compressor, proceeds to step 322 according to the time；
In this step, it is preferable that in order to reduce the excessive problem caused of rotation speed change, can change as follows
Rotating speed gear: determine the upshift of compressor rotary speed RPM according to refrigerator open time Δ t, as Δ t≤5s, RPM=RPMn；
As 5s≤Δ t ＜ 20s, RPM=RPM (n+1)；As 20s≤Δ t ＜ 40s, RPM=RPM (n+2)；As Δ t >=60s；
RPM=RPM (n+3), equally, because ensureing that the change of each gear, less than three gears, too much brings it is possible to reduce gear shift
The infringement to equipment.
Step 322, according to step 320 and the result of step 314, regulates compressor rotary speed RPM；
By optical sensor, step 324, determines whether whether evening or human body inductive lamp are lighted, if being sentenced by optical sensor
Fixed be not evening or human body inductive lamp non-lit up, then return step 304；
Step 326, if it is determined that be evening or sensing lamp light, then compressor rotary speed reduce by 1 grade of RPM=RPM (n-1),
Return step 304.
In this embodiment, consider ambient temperature, temperature speed over time simultaneously, whether refrigerator doors is opened,
Whether it is to run and whether have user's impact in factors such as refrigerator adnexaes night, regulates rotating speed on the whole, greatly carry
Rise the motility that refrigerator controls.
Fig. 4 shows the schematic diagram controlling device 400 of one embodiment of the present of invention, including:
Corresponding memory element 402, is used for arranging multiple temperature section, multiple temperature sections respectively with multiple turns of frequency-changeable compressor
Speed gear is corresponding；And
Regulation unit 404, for the temperature section according to current environmental temperature place, determines corresponding rotating speed gear, and will
The speed of frequency-changeable compressor is adjusted to corresponding rotating speed gear.
In this embodiment, by corresponding memory element 402, ambient temperature is divided into multiple temperature section, respectively with frequency conversion
Multiple rotating speed gear one_to_one corresponding of compressor, by regulation unit 404, carry out frequency conversion pressure according to the change of current environmental temperature
The rotating speed of contracting machine controls, thus provides optimal preservation effect for food, is greatly improved the motility that refrigerator controls.
Fig. 5 shows the schematic diagram controlling device 500 of another embodiment of the present invention, including:
Corresponding memory element 502, is used for arranging multiple temperature section, multiple temperature sections respectively with multiple turns of frequency-changeable compressor
Speed gear is corresponding；
Regulation unit 504, for the temperature section according to current environmental temperature place, determines corresponding rotating speed gear, and will
The speed of frequency-changeable compressor is adjusted to corresponding rotating speed gear；
Computing unit 506, the at predetermined time intervals rate of change of the temperature in calculating refrigerator；And
Regulation unit 504 is additionally operable to the rate of change according to temperature and determines whether to change the rotating speed of described frequency-changeable compressor
Gear.
In this embodiment, specifically, by computing unit 506, the temperature of refrigerator inside is calculated at predetermined time intervals
The rate of change of degree, can judge the rate temperature change of refrigerator inside rapidly, by regulation unit 504, according to temperature
Rate of change can understand the refrigerator demand to operation power exactly, and then realizes the control of the rotating speed to frequency-changeable compressor, joint
About electric energy, promotes the motility that refrigerator controls effectively.
In this embodiment, also include door trip 508, for when door refrigerator being detected is opened or closed, send
Signal is to timing unit 510；Timing unit 510, timing unit 510 for starting timing when receiving opening signal,
When receiving shutdown signal, terminate timing, obtain the opening time of refrigerator, and regulation unit 504 is additionally operable to according to enabling
Time determines whether to change the rotating speed gear of frequency-changeable compressor.
In such an embodiment, it is preferable also include optical sensor 512, for determining whether the brightness of ambient light is less than
Threshold value；Regulation unit 504 is additionally operable to, when whether the brightness of ambient light is less than threshold value, be dropped by the rotating speed gear of frequency-changeable compressor
Low one grade.
In this embodiment, specifically, need a quiet environment during user's rest at night, pass through optical sensor
512 may determine that the brightness of ambient light, whether less than threshold value, when the brightness of ambient light is less than threshold value, illustrates the fortune of refrigerator
The row time is at night, it is therefore desirable to the rotating speed of frequency-changeable compressor is reduced by one grade, it is to avoid the temperature of refrigerator inside occurs significantly
Reduce, and then affect the preservation effect of food, also comply with user's requirements at the higher level to compressor noise in evening, promote making of user
With experience, it is greatly improved the motility that refrigerator controls.
In such an embodiment, it is preferable also include human body sensing unit 514, it may be judged whether sense human body；Regulation unit
When 504 human body sensing unit 514 sense human body, the rotating speed gear of frequency-changeable compressor is reduced by one grade.
Fig. 6 to Fig. 7 shows the schematic diagram of refrigerator 600 according to an embodiment of the invention.
In specific embodiment, as shown in Figure 6 to 7, detecting ambient temperature by environment temperature sensor 608, correspondence is deposited
Storage unit (not shown) is used for arranging multiple temperature section, multiple temperature sections respectively with multiple rotating speed gears of frequency-changeable compressor 606
Corresponding.Regulation unit (not shown), according to the temperature section at current environmental temperature place, determines corresponding rotating speed gear, frequency conversion is compressed
The speed of machine 606 is adjusted to corresponding rotating speed gear.Refrigerator temperature sensor 604 detects the temperature in refrigerator, and computing unit (does not shows
Go out) calculate the rate of change of temperature in refrigerator 600 at predetermined time intervals, regulation unit (not shown) is according to the change speed of temperature
Rate determines whether to change the rotating speed gear of frequency-changeable compressor 606.Detected that by door trip 602 door of refrigerator 600 is opened
Or when closing, sending a signal to timing unit (not shown), timing unit starts timing when receiving opening signal, is connecing
When receiving shutdown signal, terminating timing, obtain the opening time of refrigerator 600, regulation unit determines according to opening time and is
The rotating speed gear of no change frequency-changeable compressor 606.Determined by optical sensor 612 whether the brightness of ambient light is less than threshold value,
The rotating speed gear of frequency-changeable compressor 606, when the brightness of ambient light is less than threshold value, is reduced by one grade by regulation unit.Pass through human body
Induction apparatus 610 judges whether to sense human body, and regulation unit is when judging to sense human body, by the rotating speed gear of frequency-changeable compressor
Reduce by one grade.
It should be appreciated by those skilled in the art that in this embodiment, be shown without corresponding memory element, regulation unit, meter
Calculate the module such as unit, timing unit, these modules can exist in the form of individual, or can integrated on one processor.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, that is made any repaiies
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (13)
1. a control method, for controlling the frequency-changeable compressor of refrigerator, it is characterised in that including:
Ambient temperature is divided into multiple temperature section, the plurality of temperature section respectively with multiple rotating speed gears pair of frequency-changeable compressor
Should；And
According to the temperature section at current environmental temperature place, determine corresponding rotating speed gear, and the speed by described frequency-changeable compressor
It is adjusted to described corresponding rotating speed gear.
Control method the most according to claim 1, it is characterised in that also include:
Calculate the rate of change of the temperature of refrigerator inside at predetermined time intervals；And
Rate of change according to described temperature determines whether to change the rotating speed gear of described frequency-changeable compressor.
Control method the most according to claim 2, it is characterised in that the described rate of change according to described temperature determines
The rotating speed gear whether changing described frequency-changeable compressor specifically includes:
When described rate of change is more than or equal to the first value, keep current rotating speed gear；
When described rate of change more than or equal to the second value and is worth less than described first, by the rotating speed gear of described frequency-changeable compressor
Raise a gear；
When described rate of change more than or equal to the 3rd value and is worth less than described second, by the rotating speed gear of described frequency-changeable compressor
Raise two gears；And
When described rate of change is less than or equal to described 3rd value, the rotating speed gear of described frequency-changeable compressor is raised three shelves
Position.
Control method the most according to any one of claim 1 to 3, it is characterised in that also include:
The opening time of detection refrigerator；And
Determine whether to change the rotating speed gear of described frequency-changeable compressor according to the described time.
Control method the most according to claim 4, it is characterised in that described determine whether to change according to described opening time
The rotating speed gear becoming described frequency-changeable compressor specifically includes:
When described opening time is less than or equal to the very first time, keep current rotating speed gear；
When described opening time was less than or equal to for the second time and is more than the described very first time, by the rotating speed of described frequency-changeable compressor
Gear raises a gear；
When described rate of change was more than or equal to for the 3rd time and is less than described second time, by the rotating speed of described frequency-changeable compressor
Gear raises two gears；And
When described rate of change is more than four time, the rotating speed gear of described frequency-changeable compressor is raised three gears.
Control method the most according to any one of claim 1 to 5, it is characterised in that also include:
When the brightness determining ambient light is less than threshold value, the rotating speed gear of described frequency-changeable compressor is reduced by one grade.
Control method the most according to any one of claim 1 to 5, it is characterised in that also include:
When judging to sense human body, the rotating speed gear of described frequency-changeable compressor is reduced by one grade.
8. control a device, for controlling the frequency-changeable compressor of refrigerator, it is characterised in that including:
Corresponding memory element, is used for arranging multiple temperature section, the plurality of temperature section respectively with multiple rotating speeds of frequency-changeable compressor
Gear is corresponding；And
Regulation unit, for the temperature section according to current environmental temperature place, determines corresponding rotating speed gear, and by described frequency conversion
The speed of compressor is adjusted to described corresponding rotating speed gear.
Control device the most according to claim 8, it is characterised in that also include:
Computing unit, the at predetermined time intervals rate of change of the temperature in calculating refrigerator；And
Described regulation unit is additionally operable to the rate of change according to described temperature and determines whether to change turning of described frequency-changeable compressor
Speed gear.
Control device the most according to claim 8 or claim 9, it is characterised in that also include:
Door trip, for when door refrigerator being detected is opened or closed, sends a signal to timing unit；
Timing unit, for starting timing when receiving opening signal, when receiving shutdown signal, terminates timing,
Obtain the opening time of refrigerator, and
Described regulation unit is additionally operable to determine whether to change the rotating speed gear of described frequency-changeable compressor according to described opening time.
11. according to Claim 8 to the control device according to any one of 10, it is characterised in that also include:
Optical sensor, for determining that whether the brightness of ambient light is less than threshold value；
Described regulation unit is additionally operable to when whether the brightness of described ambient light is less than threshold value, turning described frequency-changeable compressor
Speed gear reduces by one grade.
12. control devices according to claim 11, it is characterised in that also include:
Human body sensing unit, it may be judged whether sense human body；
Described regulation unit is additionally operable to, when judging to sense human body, the rotating speed gear of described frequency-changeable compressor be reduced by one grade.
13. 1 kinds of refrigerators, including: according to Claim 8 to the control device according to any one of 12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610619198.0A CN106247728A (en) | 2016-07-29 | 2016-07-29 | Control method, control device and refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610619198.0A CN106247728A (en) | 2016-07-29 | 2016-07-29 | Control method, control device and refrigerator |
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| Publication Number | Publication Date |
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| CN106247728A true CN106247728A (en) | 2016-12-21 |
Family
ID=57606358
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610619198.0A Pending CN106247728A (en) | 2016-07-29 | 2016-07-29 | Control method, control device and refrigerator |
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| CN108592510A (en) * | 2018-03-12 | 2018-09-28 | 广东奥马冰箱有限公司 | A kind of method for controlling frequency conversion of single temperature control wind cooling refrigerator by refrigeration temperature control |
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| CN114739105A (en) * | 2022-04-22 | 2022-07-12 | Tcl家用电器（合肥）有限公司 | Shutdown control method and device of variable frequency compressor, storage medium and refrigerator |
| CN114739105B (en) * | 2022-04-22 | 2024-02-06 | Tcl家用电器（合肥）有限公司 | Shutdown control method and device for variable frequency compressor, storage medium and refrigerator |
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| CN115183509B (en) * | 2022-07-18 | 2023-05-16 | 四川虹美智能科技有限公司 | Rotational speed control method and device, equipment and medium of variable frequency compressor |
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Application publication date: 20161221 |