CN106642883B - Refrigerator and its refrigerating method - Google Patents
Refrigerator and its refrigerating method Download PDFInfo
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- CN106642883B CN106642883B CN201611046989.5A CN201611046989A CN106642883B CN 106642883 B CN106642883 B CN 106642883B CN 201611046989 A CN201611046989 A CN 201611046989A CN 106642883 B CN106642883 B CN 106642883B
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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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/003—Arrangement or mounting of control or safety devices for movable devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2700/00—Means for sensing or measuring; Sensors therefor
- F25D2700/12—Sensors measuring the inside temperature
- F25D2700/122—Sensors measuring the inside temperature of freezer compartments
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- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The present invention provides a kind of refrigerator and its refrigerating methods.The refrigerator includes the infrared sensor detected to the temperature of its storage room, and the refrigerating method includes: step A: after the door body of refrigerator is closed, the temperature value of acquisition infrared sensor detection；Step B: whether the temperature value that judgement currently acquires mutates, if so, C is directly gone to step, if it is not, then directly going to step D；Step C: using the temperature value of last time acquisition as the current temperature value for participating in refrigeration for refrigerator judgement；Step D: using the temperature value currently acquired as the current temperature value for participating in refrigeration for refrigerator judgement, continue the temperature value for acquiring infrared sensor detection, return to step B.Refrigerator and its refrigerating method of the invention, by judging whether the temperature of infrared sensor detection mutates, to obtain the measured value for meeting storage room actual temperature, as the temperature value of participation refrigeration for refrigerator judgement, and then more accurately freeze to refrigerator.
Description
Technical field
The present invention relates to refrigeration equipments, more particularly to a kind of refrigerator and its refrigerating method.
Background technique
Current refrigerator usually senses the temperature around its position using the temperature sensor being arranged in inside storage room
Degree, using the temperature as the foundation of refrigeration control.When carrying out refrigeration control using this control mode, in temperature sensor measurement
Temperature be higher than preset value when, refrigerator starting refrigeration system freeze.It is usually adjacent to acquire twice when refrigerator door is closed
Temperature value difference it is smaller.But sometimes, occur since the unexpected disturbance or the interference of electromagnetic signal of air-flow will lead to temperature value
Then mutation restores rapidly normal again.Such as the collected temperature value of temperature sensor sometimes are as follows: 5.2,5.3,5.2,15,
5.3,5.2,5.5, it is evident that 15 such values are exceptional value, need to filter out, otherwise refrigerator, which judges, needs to freeze, to lead
It causes energy waste and leads to the related load unusual switch of refrigerator.
Summary of the invention
The object of the present invention is to provide a kind of refrigerating method of refrigerator and refrigerators, to pass through the survey for improving internal temperature of refrigerator
Accuracy of measurement accurately freezes to refrigerator.
According to one aspect of the present invention, a kind of refrigerating method of refrigerator is provided, the refrigerator includes between its storing
The infrared sensor that the temperature of room is detected, and the refrigerating method includes:
Step A: after the door body of the refrigerator is closed, the temperature value of the infrared sensor detection is acquired；
Step B: whether the temperature value that judgement currently acquires mutates, if so, C is directly gone to step, if it is not, then directly
Go to step D；
Step C: using the temperature value of last time acquisition as the current temperature value for participating in refrigeration for refrigerator judgement；
Step D: using the temperature value currently acquired as the current temperature value for participating in refrigeration for refrigerator judgement, continue described in acquisition
The temperature value of infrared sensor detection, returns to step B.
Optionally, wherein judging that the step of whether temperature value currently acquired mutates includes: in the step B
It is preset prominent to judge whether the absolute value of the difference of the temperature value of the temperature value currently acquired and last acquisition is greater than
Variate；
If the absolute value of the difference of the temperature value currently acquired and the temperature value of last acquisition is greater than the mutation value, sentence
The disconnected temperature value currently acquired mutates；Otherwise, the temperature value that judgement currently acquires does not mutate.
Optionally, wherein the step C further include: enable the temperature value of last acquisition as fiducial value；
The refrigerating method is after the step C further include:
Step E: continue to acquire the temperature value of the infrared sensor detection, judge whether that continuous n times occur currently acquires
Temperature value and the absolute value of the difference of the fiducial value be all larger than the mutation value, or whether there are continuous n times and currently acquire
Temperature value and the fiducial value absolute value of the difference no more than the mutation value；If so, D is returned to step, if it is not,
F is then directly gone to step, wherein N >=3；
Step F: using the fiducial value as the current temperature value for participating in refrigeration for refrigerator judgement, E is returned to step.
Optionally, wherein after the temperature value of acquisition mutates until occur temperature value that continuous n times currently acquire with
The absolute value of the difference of the fiducial value is all larger than the mutation value, or occur temperature value that continuous n times currently acquire with it is described
During second from the bottom acquisition of the absolute value of the difference of fiducial value no more than the mutation value, the temperature value of refrigeration judgement is participated in
It is the fiducial value.
Optionally, wherein in the step A, after the door body of the refrigerator closes a preset time, start described in acquisition
The temperature value of infrared sensor detection.
Other side according to the invention provides a kind of refrigerator, comprising:
Cabinet, inside define storage room；
Infrared sensor is set to inside the storage room, for detecting the temperature of the storage room；
Refrigeration system, for providing cooling capacity for the storage room；And
Control device is configured to after the door body of the refrigerator is closed, and acquires the temperature value of the infrared sensor detection,
And judge whether the temperature value currently acquired mutates；If the temperature value currently acquired mutates, the last time is adopted
The temperature value of collection is as the current temperature value for participating in refrigeration for refrigerator judgement, to control the refrigeration system work；If currently adopted
The temperature value of collection does not mutate, then the temperature value judged the temperature value currently acquired as current participation refrigeration for refrigerator, with
Control the refrigeration system work.
Optionally, wherein whether the temperature value that control device judgement currently acquires includes: the step of mutation
It is preset prominent to judge whether the absolute value of the difference of the temperature value of the temperature value currently acquired and last acquisition is greater than
Variate；If the absolute value of the difference of the temperature value currently acquired and the temperature value of last acquisition is greater than the mutation value, judge
The temperature value currently acquired mutates；Otherwise, the temperature value that judgement currently acquires does not mutate.
Optionally, wherein the control device is further configured to
If the temperature value currently acquired mutates, enable the last temperature value acquired as fiducial value；
The temperature value for continuing to acquire the infrared sensor detection, the temperature value currently acquired if there is continuous n times with
The absolute value of the difference of the fiducial value is all larger than the mutation value, or occur temperature value that continuous n times currently acquire with it is described
The absolute value of the difference of fiducial value then participates in refrigeration for refrigerator using the temperature value currently acquired as current no more than the mutation value
The temperature value of judgement, and continue to acquire the temperature value of the infrared sensor detection, to rejudge the temperature value currently acquired
Whether mutate；Otherwise using the fiducial value as the current temperature value for participating in refrigeration for refrigerator judgement, and continue described in acquisition
Whether the temperature value of infrared sensor detection there is the temperature value and the fiducial value that continuous n times currently acquire to rejudge
Absolute value of the difference be all larger than the mutation value, or there is the difference of temperature value and the fiducial value that continuous n times currently acquire
Absolute value no more than the mutation value, wherein N >=3.
Optionally, wherein the control device is further configured to
Until there is the temperature value and the fiducial value that continuous n times currently acquire after the temperature value of acquisition mutates
Absolute value of the difference is all larger than the mutation value, or the difference of temperature value and the fiducial value that continuous n times currently acquire occur
During second from the bottom acquisition of the absolute value no more than the mutation value, the temperature value for participating in refrigeration judgement is the comparison
Value.
Optionally, wherein the control device is further configured to after the door body of the refrigerator closes a preset time,
Start to acquire the temperature value that the infrared sensor detects.
Refrigerator and its refrigerating method of the invention, by judging whether the temperature of infrared sensor detection mutates, from
And obtain the measured value for meeting storage room actual temperature, it is accurate as the temperature value for participating in refrigeration for refrigerator judgement, and then more
Ground freezes to refrigerator, avoids the unnecessary waste of the energy.
According to the following detailed description of specific embodiments of the present invention in conjunction with the accompanying drawings, those skilled in the art will be brighter
The above and other objects, advantages and features of the present invention.
Detailed description of the invention
Some specific embodiments of the present invention is described in detail by way of example and not limitation with reference to the accompanying drawings hereinafter.
Identical appended drawing reference denotes same or similar part or part in attached drawing.It should be appreciated by those skilled in the art that these
What attached drawing was not necessarily drawn to scale.In attached drawing:
Fig. 1 is the schematic diagram of refrigerator according to an embodiment of the invention；
Fig. 2 is the schematic block diagram of refrigerator according to an embodiment of the invention；
Fig. 3 is the schematic diagram of the refrigerating method of refrigerator according to an embodiment of the invention；
Fig. 4 is the schematic diagram of the refrigerating method of refrigerator in accordance with another embodiment of the present invention；
Fig. 5 is the detail flowchart of the refrigerating method of refrigerator according to an embodiment of the invention.
Specific embodiment
Fig. 1 is the schematic diagram of refrigerator according to an embodiment of the invention.Referring to Fig. 1, the refrigerator is generally
It may include cabinet 110.Cabinet 110 can be surrounded by roof, bottom wall, rear wall and left and right two side walls, be arranged in front of cabinet 110
Door body (not shown), door body can be connected on side wall using pivot structure.It is defined inside cabinet 110 between multiple storings
Room 140.It can be separated with partition 120 between adjacent storage room 140.
Storage room 140 is internally provided with infrared sensor 130, for detecting the temperature of storage room 140.Infrared sensing
The quantity of device 130 can be set according to the quantity of storage room 140, and an infrared biography can be set in each storage room 140
Sensor 130.
In order to improve infrared sensor 130 to the temperature sensing precision of 140 interior items of storage room, meet between storing
The requirement that room 140 is freezed, inventor has carried out a large amount of test to the installation site of infrared sensor 130, and obtains red
The preferred installation site of outer sensor 130 and its preferred configuration mode.Storage room 140 where it of infrared sensor 130
Height be higher than 140 whole height of storage room half at (more preferably range be higher than or be located at storage room 140 it is whole
2/3rds of body height), the infrared receiver center line of infrared sensor 130 is set as relative to angular range straight up
70 degree to 150 degree (more preferably range is 76 degree to 140 degree)；And the level of the infrared receiver center line of infrared sensor 130
The angular range of projection and side wall where it is set as 30 degree to 60 degree (more preferably range is 30 degree to 45 degree).
Infrared sensor 130 does not emit infrared ray, but passively receive in institute's sensing range the infrared ray of article transmitting and
Background infrared ray, the region of variation and temperature of article temperature, are converted to corresponding electric signal directly in perception storage room 140.
Fig. 2 is the schematic block diagram of refrigerator according to an embodiment of the invention.In some embodiments of the invention, ice
Case may also include refrigeration system 160 and control device 150.Refrigeration system 160 is used to provide cooling capacity for storage room 140.Refrigeration
System 160 can be compression cooling cycle system (alternatively referred to as refrigerant circulation type refrigeration system).Such as those skilled in the art
It is to be realized that, compression cooling cycle system generally includes evaporator, compressor, condenser, restricting element (expansion valve or capillary
Pipe), evaporator is connect via coolant piping with compressor, condenser, restricting element, refrigeration cycle is constituted, in compressor
Cool down when starting, to provide cooling capacity.In further embodiments, refrigeration system 160 can be semiconductor refrigeration system, that is, utilize
Semiconductor chilling plate is that storage room 140 provides cooling capacity.The temperature value that control device 150 can be detected according to infrared sensor 130
Whether control refrigeration system works.
Specifically, control device 150 can be configured to after the door body of refrigerator is closed, and acquisition infrared sensor 130 detects
Temperature value, and judge whether the temperature value currently acquired mutates；It, will and if the temperature value currently acquired mutates
The temperature value of last time acquisition is as the current temperature value for participating in refrigeration for refrigerator judgement, to control the work of refrigeration system 160；If
The temperature value currently acquired does not mutate, then using the temperature value currently acquired as the current temperature for participating in refrigeration for refrigerator judgement
Value, to control the work of refrigeration system 160.
As previously mentioned, in refrigerator, sometimes due to the unexpected disturbance or the interference of electromagnetic signal of air-flow cause it is infrared
The temperature value that sensor 130 detects is mutated.In refrigerator of the invention, control device 150 passes through the temperature that judgement currently acquires
Whether angle value mutates, when the temperature value currently acquired mutates, using the temperature value of last time acquisition as current ginseng
With the temperature value of refrigeration for refrigerator judgement, control refrigeration system 160 works；It, will when the temperature value currently acquired does not mutate
The temperature value currently acquired works as the current temperature value for participating in refrigeration for refrigerator judgement, control refrigeration system 160.To this
Whether invention is mutated by the temperature for judging that infrared sensor 130 detects, and meets the practical temperature of storage room 140 to obtain
The measured value of degree as the temperature value of participation refrigeration for refrigerator judgement, and then more accurately freezes to refrigerator, avoids energy
The unnecessary waste in source.
In addition, due to flow perturbation, the temperature value for being easy to cause infrared sensor 130 to acquire is sent out when door body is just closed
Raw mutation is abnormal, and control device 150 can start to acquire what infrared sensor 130 detected after door body closes a preset time
Temperature value.The preset time may be, for example, 2 to 3 seconds.
In some embodiments, control device 150 judges that the step of whether temperature value currently acquired mutates includes:
Judge whether the absolute value of the difference of the temperature value of the temperature value currently acquired and last acquisition is greater than preset mutation value；If working as
The absolute value of the difference of the temperature value of preceding acquisition and the temperature value of last acquisition is greater than mutation value, then judges the temperature currently acquired
Value mutates；Otherwise, the temperature value that judgement currently acquires does not mutate.In some embodiments, mutation value can be 0.4
It is chosen between~0.8, for example, 0.4,0.5,0.6,0.7,0.8 etc..
In a further embodiment, control device 150 can be further configured into: if the temperature value currently acquired occurs
Mutation then enables the last temperature value acquired as fiducial value；Continue to acquire the temperature value that infrared sensor 130 detects, if
The absolute value of the difference for temperature value and fiducial value that continuous n times currently acquire occur is all larger than mutation value, or continuous n times occurs and work as
The temperature value of preceding acquisition and the absolute value of the difference of fiducial value are no more than mutation value, then using the temperature value currently acquired as current
The temperature value of refrigeration for refrigerator judgement is participated in, and continues to acquire the temperature value that infrared sensor 130 detects, is currently adopted with rejudging
Whether the temperature value of collection mutates；Otherwise using fiducial value as the current temperature value for participating in refrigeration for refrigerator judgement, and continue to adopt
Collect the temperature value that infrared sensor 130 detects, the temperature value and fiducial value that continuous n times currently acquire whether occurs to rejudge
Absolute value of the difference be all larger than mutation value, or there is the absolute value of the difference of temperature value and fiducial value that continuous n times currently acquire
No more than mutation value, wherein N >=3.In some embodiments, N may be, for example, 3,4,5,6 etc..
That is, currently being adopted after the temperature value that control device 150 acquires mutates if there is continuous n times
The temperature value of collection and the absolute value of the difference of fiducial value are all larger than mutation value, then by the temperature value currently the acquired (temperature currently acquired
Angle value is the temperature value acquired for the last time in continuous n times acquisition) as the current temperature value for participating in refrigeration judgement.Such
In the case of, it is meant that the temperature of storage room 140 is changed really, the temperature value of mutation and subsequent continuous N
The temperature value of secondary acquisition is exact value.After n times continuous acquisition, refrigeration judgement is participated in using the accurate temperature value of refrigerator, is made
Refrigeration system 160 can in time freeze to storage room 140.
Correspondingly, it after the temperature value that control device 150 acquires mutates, is currently acquired if there is continuous n times
Temperature value and fiducial value absolute value of the difference no more than mutation value, then by the temperature value currently the acquired (temperature currently acquired
Angle value is the temperature value acquired for the last time in continuous n times acquisition) as the current temperature value for participating in refrigeration for refrigerator judgement.?
In such cases, it is meant that the true temperature of storage room 140 does not mutate, and the temperature value of mutation is abnormal data
(temperature value itself that infrared sensor 130 acquires is abnormal), the temperature value due to mutation is directly filtered out, and is not joined
Judge with refrigeration, and then can accurately freeze to refrigerator, avoids the unnecessary waste of the energy.
In some embodiments of the invention, control device 150 can be configured such that straight after the temperature value of acquisition mutates
It is all larger than mutation value to the absolute value of the difference for temperature value and fiducial value that continuous n times currently acquire occur, or continuous n times occurs
It (is not wrapped during second from the bottom acquisition of the absolute value of the difference of the temperature value and fiducial value that currently acquire no more than mutation value
Include the last time of continuous n times acquisition), the temperature value for participating in refrigeration judgement is aforementioned fiducial value.
In an alternative embodiment, control device 150 judges that the step of whether temperature value currently acquired mutates can
It include: that the temperature value that will currently acquire is compared with a preset threshold, if the temperature value currently acquired is greater than preset threshold,
Then think that the temperature value currently acquired is mutated, otherwise it is assumed that the temperature value currently acquired does not mutate.The default threshold
Value can for example be more than or equal to 5.
The embodiment of the present invention also provides a kind of refrigerating method of refrigerator.The refrigerating method of the refrigerator can be by above embodiments
Control device 150 in refrigerator executes, and with the temperature value detected using infrared sensor 130, refrigeration judgement is participated in, to control
Whether refrigeration system 160 works and/or how to work.Fig. 3 is the refrigerating method of refrigerator according to an embodiment of the invention
Schematic diagram.Referring to Fig. 3, the refrigerating method of the refrigerator generally may include:
Step A: after the door body of refrigerator is closed, the temperature value of the acquisition detection of infrared sensor 130；
Step B: whether the temperature value that judgement currently acquires mutates, if so, C is directly gone to step, if it is not, then directly
Go to step D；
Step C: using the temperature value of last time acquisition as the current temperature value for participating in refrigeration for refrigerator judgement；
Step D: using the temperature value currently acquired as the current temperature value for participating in refrigeration for refrigerator judgement, continue to acquire infrared
The temperature value that sensor 130 detects, returns to step B.
It using above step A to the process of step D, can first judge whether the temperature value currently acquired mutates, work as
When the temperature value of preceding acquisition mutates, using the temperature value of last time acquisition as the current temperature for participating in refrigeration for refrigerator judgement
Value；When the temperature value currently acquired does not mutate, refrigeration for refrigerator judgement is participated in using the temperature value currently acquired as current
Temperature value.The present invention, which passes through, judge whether the temperature of the detection of infrared sensor 130 mutates, thus between obtaining and meeting storing
The measured value of 140 actual temperature of room, as the temperature value for participating in refrigeration for refrigerator judgement, and then more accurately to refrigerator system
It is cold, avoid the unnecessary waste of the energy.
In step, using the open and-shut mode of the door opening detection device detection door body of refrigerator.Door opening detection device can be with
It is detected using various ways such as fan-shaped switch, magnet-sensitive switch, Hall switch, the difference when door body is closed completely or is opened
Different electric signals is generated, to indicate the state of door body.When door body is just closed, due to flow perturbation, it is easy to cause infrared biography
The temperature value that sensor 130 acquires mutates or exception, can start to acquire infrared sensor after door body closes a preset time
The temperature value of 130 detections.The preset time may be, for example, 2 to 3 seconds.
In stepb, the step of whether temperature value that judgement currently acquires mutates includes: the temperature that judgement currently acquires
Whether angle value and the absolute value of the difference of the temperature value of last acquisition are greater than preset mutation value；If the temperature value currently acquired with
The absolute value of the difference of the temperature value of last time acquisition is greater than mutation value, then judges that the temperature value currently acquired mutates；Otherwise,
Judge that the temperature value currently acquired does not mutate.In some embodiments, mutation value can be chosen between 0.4~0.8, example
For example 0.4,0.5,0.6,0.7,0.8 etc..
In an alternative embodiment, judge that the step of whether temperature value currently acquired mutates can also in stepb
It include: that the temperature value that will currently acquire is compared with a preset threshold, if the temperature value currently acquired is greater than preset threshold,
Then think that the temperature value currently acquired is mutated, otherwise it is assumed that the temperature value currently acquired does not mutate.
Fig. 4 is the schematic diagram of the refrigerating method of refrigerator in accordance with another embodiment of the present invention.In this embodiment, step
C further include: enable the temperature value of last acquisition as fiducial value.The refrigerating method is after step c further include:
Step E: continue to acquire the temperature value that infrared sensor 130 detects, judge whether occur what continuous n times currently acquired
The absolute value of the difference of temperature value and fiducial value is all larger than mutation value, or whether occur temperature value that continuous n times currently acquire with
The absolute value of the difference of fiducial value is no more than mutation value；If so, D is returned to step, if it is not, then directly going to step F.
Step F: using fiducial value as the current temperature value for participating in refrigeration for refrigerator judgement, E is returned to step.
In step E, N >=3.In some embodiments, N may be, for example, 3,4,5,6 etc..
That is, after the temperature value of acquisition mutates, the temperature value that currently acquires if there is continuous n times with
The absolute value of the difference of fiducial value is all larger than mutation value, then by the temperature value currently acquired, (temperature value currently acquired is continuous N
The temperature value acquired for the last time in secondary acquisition) as the current temperature value for participating in refrigeration judgement.In this case, it is meant that
The temperature of storage room 140 is changed really, the temperature value of the temperature value of mutation and subsequent continuous n times acquisition
It is exact value.After n times continuous acquisition, participate in refrigeration judgement using the accurate temperature value of refrigerator, make refrigeration system 160 can and
When freeze to storage room 140.
Correspondingly, after the temperature value of acquisition mutates, the temperature value that currently acquires if there is continuous n times with than
Compared with value absolute value of the difference no more than mutation value, then by the temperature value currently acquired, (temperature value currently acquired is continuous N
The temperature value acquired for the last time in secondary acquisition) as the current temperature value for participating in refrigeration for refrigerator judgement.In this case, it anticipates
Taste the true temperature of storage room 140 do not mutate, the temperature value of mutation is abnormal data (infrared sensor 130
Temperature value of acquisition itself is abnormal), since the abnormal data is directly filtered out, it is not involved in refrigeration judgement, and then can be quasi-
Really freeze to refrigerator, avoids the unnecessary waste of the energy.
In some embodiments of the invention, it is currently adopted after the temperature value of acquisition mutates until there are continuous n times
The temperature value of collection and the absolute value of the difference of fiducial value are all larger than mutation value, or occur temperature value that continuous n times currently acquire with
It (does not include that continuous n times acquire most during second from the bottom acquisition of the absolute value of the difference of fiducial value no more than mutation value
It is primary afterwards), the temperature value for participating in refrigeration judgement is aforementioned fiducial value.
Fig. 5 is the detail flowchart of the refrigerating method of refrigerator according to an embodiment of the invention.Referring to Fig. 5, to ice
When case is freezed, following steps can be executed sequentially:
Step S202, judges whether door body closes, if so, executing step S204.
Step S204 after delay y seconds, starts the temperature value for acquiring infrared sensor 130.Y can be 2~3 seconds.
Step S206 continues the temperature value for acquiring infrared sensor 130.
Step S208 judges the absolute of the difference of the temperature value IR (n-1) of the temperature value IR (n) currently acquired and last time acquisition
Whether value is greater than mutation value A；If so, the temperature value for thinking that infrared sensor 130 detects is mutated, step is executed
S210；If not, then it is assumed that the temperature value that infrared sensor 130 detects does not mutate, executes step S209.
Step S209, temperature value of the temperature value currently acquired as current participation refrigeration for refrigerator judgement, and return step
S206。
Step S210, by temperature value IR (n-1) (temperature value acquired before mutating) assignment of last time acquisition
IR (WAVE) (i.e. aforementioned fiducial value) is given, even IR (WAVE)=IR (n-1).
Step S212, it is current to participate in the temperature value that refrigeration judges as IR (WAVE).
Step S214 continues the temperature value for acquiring infrared sensor 130.
Step S216 judges whether that the absolute value of the difference of the temperature value and IR (WAVE) that occur that continuous n times currently acquire is equal
Greater than mutation value, if so, S209 is returned to step, if it is not, then directly going to step S217.
Step S217 judges whether that the absolute value of the difference of the temperature value and IR (WAVE) that occur that continuous n times currently acquire is equal
No more than mutation value, if so, S209 is returned to step, if it is not, then returning to step S212.
Wherein, to before step S209 after the step S210, the temperature value for participating in refrigeration judgement is aforementioned fiducial value.
In some embodiments, step S217 and step S216 executes sequence without specific, step S217 can be first carried out, in step
Rapid S217 executes step S216 when being judged as NO again, or can also be performed simultaneously step S217 and step S216.
In an illustrative specific embodiment, for a certain specific refrigerator, enabling mutation value is 0.5, N=4.It closes
Door is 5.1 DEG C, acquires infrared sensor 130 at the t2 moment after 2 seconds in the temperature value that the t1 moment acquires infrared sensor 130
Temperature value is 5.3 DEG C, is 5.2 DEG C, acquires infrared sensor at the t4 moment in the temperature value that the t3 moment acquires infrared sensor 130
130 temperature value is 5.1 DEG C, the temperature value that the t5 moment acquires infrared sensor 130 be 5.3 DEG C, acquired at the t6 moment it is infrared
The temperature value of sensor 130 is 10.1 DEG C, is 5.4 DEG C, adopts at the t8 moment in the temperature value that the t7 moment acquires infrared sensor 130
The temperature value of collection infrared sensor 130 is 5.2 DEG C, is 5.3 DEG C, in t10 in the temperature value that the t9 moment acquires infrared sensor 130
The temperature value of moment acquisition infrared sensor 130 is 5.1 DEG C, is 5.4 in the temperature value that the t11 moment acquires infrared sensor 130
℃、……。
According to above-mentioned collection result, it is known that before the t5 moment, the temperature value of acquisition does not mutate, therefore t1 is to the t5 moment
Participating in the temperature value that refrigeration judges is respectively the temperature value that t1 is acquired to the t5 moment.
Mutation (the temperature value and t5 that the t6 moment acquires has occurred in the temperature value for the infrared sensor 130 that the t6 moment acquires
Absolute value of the difference=4.8 > 0.5 of the temperature value of moment acquisition), then participating in the temperature value that refrigeration judges at the t6 moment is thereon one
5.3 DEG C of the temperature value (the as temperature value that acquires of t5 moment, i.e., aforementioned fiducial value) of secondary acquisition.
In the temperature value that t7 to the temperature value that the t10 moment acquires meets the temperature value of continuous 4 acquisitions and the t5 moment acquires
Absolute value of the difference no more than 0.5, therefore, t7 to t9 moment participate in refrigeration judgement temperature value be what the t5 moment acquired
5.3 DEG C of temperature value, 5.1 DEG C of temperature value that the temperature value that judges of refrigeration acquired as the t10 moment are participated at the t10 moment, at the t11 moment
Participate in 5.4 DEG C of temperature value that the temperature value that judges of refrigeration acquired as the t11 moment.
By the specific embodiment it is found that using refrigerating method of the invention, the temperature value that can will be acquired at the t6 moment
10.1 DEG C filter out, at the same also by after mutation until the temperature value of second from the bottom acquisition in the acquisition of aforementioned continuous n times (exists
The temperature value that t7 is acquired to the t9 moment) it filters out, the system at t6 moment to t9 moment is participated in using the temperature value acquired at the t5 moment
Cold judgement can be more accurately to ice that is, using more refrigeration judgement is participated in close to the temperature value before the mutation of actual temperature
Case freezes, and avoids the unnecessary waste of the energy.
So far, although those skilled in the art will appreciate that present invention has been shown and described in detail herein multiple shows
Example property embodiment still without departing from the spirit and scope of the present invention, still can according to the present disclosure directly
Determine or deduce out many other variations or modifications consistent with the principles of the invention.Therefore, the scope of the present invention is understood that and recognizes
It is set to and covers all such other variations or modifications.
Claims (8)
1. a kind of refrigerating method of refrigerator, the refrigerator includes the infrared sensor detected to the temperature of its storage room,
And the refrigerating method includes:
Step A: after the door body of the refrigerator is closed, the temperature value of the infrared sensor detection is acquired；
Step B: whether the temperature value that judgement currently acquires mutates, if so, C is directly gone to step, if it is not, then directly turning step
Rapid D；
Step C: using the temperature value of last time acquisition as the current temperature value for participating in refrigeration for refrigerator judgement, and last acquisition is enabled
Temperature value as fiducial value；
Step D: using the temperature value currently acquired as the current temperature value for participating in refrigeration for refrigerator judgement, continue to acquire described infrared
The temperature value of sensor detection, returns to step B；Wherein after step c further include:
Step E: continue to acquire the temperature value of the infrared sensor detection, judge whether the temperature that continuous n times currently acquire occur
Angle value mutates, or the temperature value that continuous n times currently acquire whether occurs and do not mutate；It is executed if so, returning
Step D, if otherwise directly going to step F, wherein N >=3；
Step F: using the fiducial value as the current temperature value for participating in refrigeration for refrigerator judgement, E is returned to step.
2. refrigerating method according to claim 1, wherein judging whether the temperature value currently acquired is sent out in the step B
Giving birth to the step of being mutated includes:
Judge whether the absolute value of the difference of the temperature value of the temperature value currently acquired and last acquisition is greater than preset mutation value；
If the absolute value of the difference of the temperature value currently acquired and the temperature value of last acquisition is greater than the mutation value, judgement is worked as
The temperature value of preceding acquisition mutates；Otherwise, the temperature value that judgement currently acquires does not mutate.
3. refrigerating method according to claim 2, wherein until there are continuous n times after the temperature value of acquisition mutates
The absolute value of the difference of the temperature value that currently acquires and the fiducial value is all larger than the mutation value, or continuous n times occur current
During second from the bottom acquisition of the absolute value of the difference of the temperature value of acquisition and the fiducial value no more than the mutation value, ginseng
Temperature value with refrigeration judgement is the fiducial value.
4. refrigerating method according to claim 1, wherein it is default to close one in the door body of the refrigerator in the step A
After time, start the temperature value for acquiring the infrared sensor detection.
5. a kind of refrigerator, comprising:
Cabinet, inside define storage room；
Infrared sensor is set to inside the storage room, for detecting the temperature of the storage room；
Refrigeration system, for providing cooling capacity for the storage room；And
Control device is configured to after the door body of the refrigerator is closed, and acquires the temperature value of the infrared sensor detection, and is sentenced
Whether the disconnected temperature value currently acquired mutates；If the temperature value currently acquired mutates, by last time acquisition
Temperature value enables the last temperature value acquired as fiducial value as the current temperature value for participating in refrigeration for refrigerator judgement, with control
Make the refrigeration system work；If the temperature value currently acquired does not mutate, using the temperature value currently acquired as working as
The preceding temperature value for participating in refrigeration for refrigerator judgement, to control the refrigeration system work；And
Continue to acquire the temperature value that the infrared sensor detects, occur if there is the temperature value that continuous n times currently acquire
Mutation, or the temperature value that continuous n times currently acquire occur and do not mutate, then using the temperature value currently acquired as current
The temperature value of refrigeration for refrigerator judgement is participated in, and continues to acquire the temperature value of the infrared sensor detection, it is current to rejudge
Whether the temperature value of acquisition mutates；
Otherwise using the fiducial value as the current temperature value for participating in refrigeration for refrigerator judgement, and continue to acquire the infrared sensor
Whether whether the temperature value of detection there is the temperature value that continuous n times currently acquire and mutate, or occur to rejudge
The temperature value that continuous n times currently acquire does not mutate, wherein N >=3.
6. refrigerator according to claim 5, wherein whether the temperature value that control device judgement currently acquires dashes forward
The step of change includes:
Judge whether the absolute value of the difference of the temperature value of the temperature value currently acquired and last acquisition is greater than preset mutation value；
If the absolute value of the difference of the temperature value currently acquired and the temperature value of last acquisition is greater than the mutation value, judgement is currently adopted
The temperature value of collection mutates；Otherwise, the temperature value that judgement currently acquires does not mutate.
7. refrigerator according to claim 6, wherein the control device is further configured to
Until there is the difference of temperature value and the fiducial value that continuous n times currently acquire after the temperature value of acquisition mutates
Absolute value is all larger than the mutation value, or the absolute of temperature value that continuous n times currently acquire and the difference of the fiducial value occurs
During being worth the second from the bottom acquisition no more than the mutation value, the temperature value for participating in refrigeration judgement is the fiducial value.
8. refrigerator according to claim 5, wherein the control device is further configured to close in the door body of the refrigerator
After closing a preset time, start the temperature value for acquiring the infrared sensor detection.
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| CN201611046989.5A CN106642883B (en) | 2016-11-23 | 2016-11-23 | Refrigerator and its refrigerating method |
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| CN201611046989.5A CN106642883B (en) | 2016-11-23 | 2016-11-23 | Refrigerator and its refrigerating method |
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| CN1084181C (en) * | 1994-12-27 | 2002-05-08 | 中野冷机株式会社 | Method for controlling temperature inner show cabinet |
| KR100431342B1 (en) * | 2001-03-26 | 2004-05-12 | 삼성전자주식회사 | Kimchi-Refrigerator and Control Method thereof |
| JP4465598B2 (en) * | 2004-07-05 | 2010-05-19 | ソニー株式会社 | Integrated circuit, processing control method therefor, and program |
| JP5709705B2 (en) * | 2011-09-14 | 2015-04-30 | 三菱電機株式会社 | Freezer refrigerator |
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