CN104897231A - Refrigerator use volume detection method and device - Google Patents
Refrigerator use volume detection method and device Download PDFInfo
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- CN104897231A CN104897231A CN201510219350.1A CN201510219350A CN104897231A CN 104897231 A CN104897231 A CN 104897231A CN 201510219350 A CN201510219350 A CN 201510219350A CN 104897231 A CN104897231 A CN 104897231A
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- Prior art keywords
- volume
- refrigerator
- detection components
- infrared light
- use volume
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F17/00—Methods or apparatus for determining the capacity of containers or cavities, or the volume of solid bodies
-
- 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
- F25D27/00—Lighting arrangements
Abstract
The invention provides a refrigerator use volume detection method and device. The method is applicable to refrigerators with storage room volume smaller than or equal to the preset volume threshold. The method comprises detecting visible light intensity and infrared intensity in a storage room through a single detection component arranged in the storage room; estimating the storage room use capacity according to the visible light intensity to obtain a use volume estimated value; calculating a use volume correction factor according to the infrared intensity; accumulating the estimated value and the correction factor to obtain the use volume calculation value. By the aid of the method, the refrigerator storage room used volume is detected through an optical principle, detection results are accurate, refrigerator doors are not needed to be opened, the user use experience is improved, and the food good storage environment is maintained.
Description
Technical field
The present invention relates to refrigerator control field, particularly relate to a kind of use volume measurement method and apparatus of refrigerator.
Background technology
The intellectuality of refrigerator is a direction of refrigerator development, is also the emphasis of numerous refrigerator producer development research.Along with growth in the living standard, people require not only to rest on this aspect requirement of basic foodstuff keeping-freshness storage function to refrigerator, and for being convenient for people to life, the intellectualized operation requirement such as to improve the quality of living is also more and more higher.
As the household electrical appliance of stored food, user needs the service condition understanding interior refrigerator space, and to determine the amount of storage of food, in the prior art, people, generally by opening the mode that refrigerator doors carries out observing, estimate the use volume of refrigerator.This just needs user to operate near refrigerator, and often switch refrigerator doors brings adverse influence can to the storage of food, and this brings great inconvenience to the use of user.
Based on above problem, also occurred utilizing weight sensor to measure weight of object in refrigerator in prior art, detected specific storing position storage configuration, arranged camera multiple technologies means, for obtaining the service condition of refrigerator space, but some testing result is inaccurate in these schemes, some only can detect special food, accurately can not reflect the actual service condition of refrigerator volume.
Summary of the invention
An object of the present invention is to provide a kind of refrigerator relying on optical principle to realize refrigerator volume measurement.
Especially, the invention provides a kind of use volume measurement method of refrigerator, between the storing being applicable to refrigerator, room volume is less than or equal to the refrigerator of preset volume threshold value, and the method comprises: utilize be arranged in refrigerator storing between the single detection components of chamber interior detect visual intensity indoor between storing and infrared light intensity; Estimate according to the use volume of visual intensity to room between storing, obtain the estimated value using volume; The modifying factor of volume is used according to infrared light Strength co-mputation; Cumulative estimated value and modifying factor obtain the calculated value using volume.
Alternatively, carry out estimation according to the use volume of visual intensity to room between storing to comprise: estimate use volume according to formula 1: formula 1:V '=SA × k, in equation 1, V ' is for using the estimated value of volume, SA is the visual intensity value that detection components detects, k is the visible ray estimation coefficient of detection components.
Alternatively, the modifying factor of volume is used to comprise according to infrared light Strength co-mputation: to calculate the modifying factor using volume according to formula 2:
Formula 2:M=SP × J × T/SA,
In formula 2, M is modifying factor, and SP is the infrared light intensity level that detection components detects, J is the infrared light correction constant of detection components, and T is that detection components detects distance value corresponding to the infrared light intensity that obtains.
Alternatively, k and J is the constant being stored in refrigerator in advance, is drawn by test statistics in advance.
Alternatively, also comprised before the step detecting visual intensity and infrared light intensity: obtain volume measurement trigger pip, volume measurement trigger pip comprises following any one or more: the pass gate signal of timing signal, refrigerator, the trigger pip of user operation.
Alternatively, also comprise after obtaining using the calculated value of volume: according to using the refrigerating state of the calculated value of volume adjustment refrigerator and/or exporting calculated value to user.
According to another aspect of the present invention, additionally provide a kind of use device for measuring volume of refrigerator, between the storing being applicable to refrigerator, room volume is less than or equal to the refrigerator of preset volume threshold value, device comprises: data acquisition module, be configured to utilize be arranged in refrigerator storing between the single detection components of chamber interior detect visual intensity indoor between storing and infrared light intensity; Estimation block, is configured to estimate according to the use volume of visual intensity to room between storing, obtains the estimated value using volume; Correcting module, is configured to the modifying factor using volume according to infrared light Strength co-mputation; Result-generation module, is configured to the calculated value that cumulative estimated value and modifying factor obtain using volume.
Alternatively, estimation block is also configured to: estimate use volume according to formula 1, formula 1:V '=SA × k, in equation 1, V ' is for using the estimated value of volume, and SA is the visual intensity value that detection components detects, k is the visible ray estimation coefficient of detection components; Correcting module is also configured to: calculate the modifying factor using volume according to formula 2: formula 2:M=SP × J × T/SA, in formula 2, M is modifying factor, SP is the infrared light intensity level that detection components detects, J is the infrared light correction constant of detection components, T is that detection components detects distance value corresponding to the infrared light intensity that obtains, and wherein k and J is the constant being stored in refrigerator in advance, is drawn by test statistics in advance.
Alternatively, above device also comprises: trigger module, is configured to: obtain volume measurement trigger pip, volume measurement trigger pip comprises following any one or more: the pass gate signal of timing signal, refrigerator, the trigger pip of user operation.
Alternatively, above device also comprises: execution module, is configured to according to using the refrigerating state of the calculated value of volume adjustment refrigerator and/or exporting calculated value to user.
The use volume measurement method and apparatus of refrigerator of the present invention, indoor layout detection components between the storing being less than or equal to predetermined threshold value at available space, optical principle is utilized to detect the volume that room between refrigerator storing has used, testing result is accurate, without the need to opening refrigerator door, improve the experience of user and maintaining the good storage ambient of food.
Further, refrigerator of the present invention can utilize the refrigerator volume detected to realize the Based Intelligent Control of refrigerator, improves the intelligence degree of refrigerator.
According to hereafter by reference to the accompanying drawings to the detailed description of the specific embodiment of the invention, those skilled in the art will understand above-mentioned and other objects, advantage and feature of the present invention more.
Accompanying drawing explanation
Hereinafter describe specific embodiments more of the present invention with reference to the accompanying drawings by way of example, and not by way of limitation in detail.Reference numeral identical in accompanying drawing denotes same or similar parts or part.It should be appreciated by those skilled in the art that these accompanying drawings may not be drawn in proportion.In accompanying drawing:
Fig. 1 is the schematic diagram of the shown refrigerator of use volume measurement method of refrigerator according to an embodiment of the invention;
Fig. 2 is a kind of control block diagram of the refrigerator shown in Fig. 1;
Fig. 3 is the another kind of control block diagram of the refrigerator shown in Fig. 1;
Fig. 4 is the schematic diagram of the use volume measurement method of refrigerator according to an embodiment of the invention; And
Fig. 5 is the schematic diagram of the use device for measuring volume of refrigerator according to an embodiment of the invention.
Embodiment
Fig. 1 is the schematic diagram of the shown refrigerator of use volume measurement method of refrigerator according to an embodiment of the invention; This refrigerator can comprise in general manner: casing and a detection components 100.
Casing in the refrigerator of the present embodiment, is limited with room 400 between storing, and the sidewall that casing includes horizontally disposed roof, diapire and vertically arranges.Generally speaking, vertically arrange sidewall and comprise three vertical sidewalls, respectively as left side wall, right side wall and rear wall, left side wall and right side wall be arranged in parallel, and rear wall is arranged with left side wall and right side wall are all vertical, and Men Tiyu rear wall is oppositely arranged.
Detection components 100 is optionally arranged on a side of room sidewall between room roof between storing or storing.
Such as detection components can be arranged on rear wall.If indoor being provided with can the drawer of pull between refrigerator storing, detection components can be arranged on the rear plate of drawer.The refrigerator of the present embodiment requires that the volume of room between storing is less than or equal to predetermined threshold value, and between General Requirements storing, the active volume of room is no more than 30L.According to test result, if exceed this threshold value, likely cause larger detection error.
Fig. 2 and Fig. 3 is two kinds of control block diagrams of the refrigerator shown in Fig. 1 respectively.In the embodiment shown in Figure 2, the visible ray that detection components 100 detects comes from the visible light source 110 arranging detection components.Which is mainly applicable to the situation that lighting source indoor between refrigerator storing cannot meet testing requirement.In the embodiment shown in fig. 3.Meet volume measurement requirement at lighting source 500, lighting source originally can be used to send visible ray.Detection components 100 at least also comprises: infrared light supply 120, light sensitive device 130.Infrared light supply 120 is configured to inside, room 400 between storing and sends infrared light.Light sensitive device 130 is configured to the visual intensity and the infrared light intensity that detect detection components 100 position.The quantity of detection components 100 can be determined according to the volume of room between storing 400 and structure.
Along with the change of the use size of the use volume of room between storing 400, the reflection between storing in room 400 of visible ray and infrared light and the situation of blocking change, and the propagation characteristic of visible ray and infrared light is also distinct, through summary and the test of inventor, sum up visual intensity and infrared light intensity and use the change of volume and the rule that changes, thus achieve the detection utilizing optical principle to realize refrigerator volume.
Apparatus for calculating capacity 200 is electrically connected with detection components 100, and is configured to: obtain visual intensity and infrared light intensity, and according to the use volume of room 400 between visual intensity and infrared light Strength co-mputation storing.
Above apparatus for calculating capacity 200 can with detection components 100 and integrated setting, the master control borad that also can be arranged in refrigerator is electrically connected with detection components by cable, to transmit detection signal.
The refrigerator of this example can also comprise: control device 300.This control device 300 can control detection components 100 and apparatus for calculating capacity 200, also can carry out Based Intelligent Control according to the use volume calculated to the refrigeration of refrigerator.Such as control device 300 can be connected respectively with apparatus for calculating capacity 200 and detection components 100, and is configured to: obtain volume calculations trigger pip, and controls apparatus for calculating capacity 200 and detection components 100 is opened.This trigger pip can be that refrigerator closes gate signal, timing signal etc.Can pick and place food after generally opening refrigerator doors, therefore control device 300 can trigger a volume measurement behind the door each closing.
In addition, control device 300 is also configured to: obtain the use volume that apparatus for calculating capacity 200 calculates; And according to using the refrigerating state of volume adjustment refrigerator and/or exporting use volume to user.Such as after getting the pass gate signal of refrigerator, start the device for measuring volume in room 400 between refrigerator storing, to detect the use volume of room 400 between storing; The use volume relatively detected and refrigerator close use volume in front of the door; If the use volume detected is greater than pass use volume in front of the door, then drives the low-temperature receiver of room 400 between storing with high-power operation, enter fast cold pattern to make refrigerator.Decline rapidly to make the food temperature just put into.The time entering fast cold pattern can be determined according to the size of volume change.Control device 300 wirelessly can also export to user terminal and use volume, and when using volume to be less than preset volume threshold value, exporting food supplement cue to refrigerator user.
The use volume measurement method of the refrigerator of the present embodiment can be performed by apparatus for calculating capacity 200, to calculate the use volume of room between storing.Fig. 4 is the schematic diagram of the use volume measurement method of refrigerator according to an embodiment of the invention, and the method comprises:
Step S402, utilize be arranged in refrigerator storing between the single detection components of chamber interior detect visual intensity indoor between storing and infrared light intensity;
Step S404, estimates according to the use volume of visual intensity to room between storing, obtains the estimated value using volume; And
Step S406, uses the modifying factor of volume according to infrared light Strength co-mputation; Cumulative estimated value and modifying factor obtain the calculated value using volume.
Wherein step S404 estimates according to the use volume of visual intensity to room between storing, and a kind of account form obtaining the estimated value of use volume is
According to formula 1, use volume is estimated:
Formula 1:V '=SA × k, in equation 1, V ' is the estimated value using volume, and SA is the visual intensity value that detection components detects, k is the visible ray estimation coefficient of detection components.
Step S406 uses the step of the modifying factor of volume to comprise according to infrared light Strength co-mputation: calculate the modifying factor using volume according to formula 2:
Formula 2:M=SP × J × T/SA,
In formula 2, M is modifying factor, and SP is the infrared light intensity level that detection components detects, J is the infrared light correction constant of detection components, and T is that detection components detects distance value corresponding to the infrared light intensity that obtains.
Finally use the calculated value V=V '+M=SA × k+SP × J × T/SA of volume.K and J is the constant being stored in refrigerator in advance, is drawn by test statistics in advance, and between storing, the available space of room and the position of detection components all have an impact to k and J, and after the position of refrigerator volume and detection components is determined, the numerical value of k and J is also determined.
Can also comprise before step S102: obtain volume measurement trigger pip, volume measurement trigger pip comprises following any one or more: the pass gate signal of timing signal, refrigerator, the trigger pip of user operation.Thus start volume measurement in varied situations.Also comprise after obtaining using the calculated value of volume in addition: according to using the refrigerating state of the calculated value of volume adjustment refrigerator and/or exporting calculated value to user.Such as after getting the pass gate signal of refrigerator, start the device for measuring volume in room 400 between refrigerator storing, to detect the use volume of room 400 between storing; The use volume relatively detected and refrigerator close use volume in front of the door; If the use volume detected is greater than pass use volume in front of the door, then drives the low-temperature receiver of room 400 between storing with high-power operation, enter fast cold pattern to make refrigerator.Decline rapidly to make the food temperature just put into.The time entering fast cold pattern can be determined according to the size of volume change.Control device 300 wirelessly can also export to user terminal and use volume, and when using volume to be less than preset volume threshold value, exporting food supplement cue to refrigerator user.
The embodiment of the present invention additionally provides a kind of use device for measuring volume of refrigerator, and Fig. 5 is the schematic diagram of the use device for measuring volume of refrigerator according to an embodiment of the invention.The pick-up unit 600 of the use volume of this refrigerator can comprise in general manner: data acquisition module 610, estimation block 620, correcting module 630, result-generation module 640, trigger module 650, execution module 660.These parts can be configured as required flexibly, can be configured to all modules in some embodiment.
With in upper-part, data acquisition module 610 be configured to utilize be arranged in refrigerator storing between the single detection components of chamber interior detect visual intensity indoor between storing and infrared light intensity.Estimation block 620 is configured to estimate according to the use volume of visual intensity to room between storing, obtains the estimated value using volume.Correcting module 630 is configured to the modifying factor using volume according to infrared light Strength co-mputation.Result-generation module 640 is configured to the calculated value that cumulative estimated value and modifying factor obtain using volume.
Wherein, the algorithm of estimation block 620 can be: estimate use volume according to formula 1, formula 1:V '=SA × k, in equation 1, V ' is for using the estimated value of volume, and SA is the visual intensity value that detection components detects, k is the visible ray estimation coefficient of detection components; Correcting module 630 is also configured to: calculate the modifying factor using volume according to formula 2: formula 2:M=SP × J × T/SA, in formula 2, M is modifying factor, SP is the infrared light intensity level that detection components detects, J is the infrared light correction constant of detection components, T is that detection components detects distance value corresponding to the infrared light intensity that obtains, and wherein k and J is the constant being stored in refrigerator in advance, is drawn by test statistics in advance.The calculated value V=V '+M=SA × k+SP × J × T/SA of the use volume that result-generation module 640 finally calculates.K and J is the constant being stored in refrigerator in advance, is drawn by test statistics in advance, and between storing, the available space of room and the position of detection components all have an impact to k and J.
Trigger module 650 is configured to: obtain volume measurement trigger pip, volume measurement trigger pip comprises following any one or more: the pass gate signal of timing signal, refrigerator, the trigger pip of user operation.
Execution module 660 can be configured to according to using the refrigerating state of the calculated value of volume adjustment refrigerator and/or exporting calculated value to user.Execution module 660 can also judge to use volume whether to be less than preset volume threshold value in addition; If so, export food to the user of refrigerator and supplement cue.Cue can be shown by the display screen of refrigerator this locality, or carry out reminding user by lighting preset warning light, a kind of more excellent reminding method is send information to remind to the mobile terminal (such as mobile phone) bound in advance with this refrigerator by wireless network.
The use volume measurement method and apparatus of the refrigerator of the present embodiment, indoor layout detection components between the storing being less than or equal to predetermined threshold value at available space, optical principle is utilized to detect the volume that room between refrigerator storing has used, testing result is accurate, without the need to opening refrigerator door, improve the experience of user and maintaining the good storage ambient of food.And the refrigerator volume detected can be utilized to realize the Based Intelligent Control of refrigerator, improve the intelligence degree of refrigerator.
Claims (10)
1. a use volume measurement method for refrigerator, between the storing being applicable to described refrigerator, room volume is less than or equal to the refrigerator of preset volume threshold value, and described method comprises:
Utilize be arranged in described refrigerator storing between the single detection components of chamber interior detect visual intensity indoor between described storing and infrared light intensity;
According to described visual intensity, the use volume of room between described storing is estimated, obtain the estimated value of described use volume;
The modifying factor of volume is used according to described infrared light Strength co-mputation;
Cumulative described estimated value and described modifying factor obtain the calculated value of described use volume.
2. method according to claim 1, wherein, according to described visual intensity, estimation is carried out to the use volume of room between described storing and comprise:
According to formula 1, described use volume is estimated:
Formula 1:V '=SA × k,
In described formula 1, V ' is the estimated value of described use volume, and SA is the visual intensity value that described detection components detects, k is the visible ray estimation coefficient of described detection components.
3. method according to claim 2, wherein, uses the modifying factor of volume to comprise according to described infrared light Strength co-mputation:
The modifying factor of described use volume is calculated according to formula 2:
Formula 2:M=SP × J × T/SA,
In described formula 2, M is described modifying factor, and SP is the infrared light intensity level that described detection components detects, J is the infrared light correction constant of described detection components, and T is that described detection components detects distance value corresponding to the infrared light intensity that obtains.
4. method according to claim 3, wherein,
Described k and J is the constant being stored in described refrigerator in advance, is drawn by test statistics in advance.
5. method according to any one of claim 1 to 4, wherein, also comprised before the step detecting visual intensity and infrared light intensity:
Obtain volume measurement trigger pip, described volume measurement trigger pip comprises following any one or more: the pass gate signal of timing signal, described refrigerator, the trigger pip of user operation.
6. method according to any one of claim 1 to 4, wherein, also comprises after the calculated value obtaining described use volume:
Adjust the refrigerating state of described refrigerator according to the calculated value of described use volume and/or export described calculated value to user.
7. a use device for measuring volume for refrigerator, between the storing being applicable to described refrigerator, room volume is less than or equal to the refrigerator of preset volume threshold value, and described device comprises:
Data acquisition module, be configured to utilize be arranged in described refrigerator storing between the single detection components of chamber interior detect visual intensity indoor between described storing and infrared light intensity;
Estimation block, is configured to estimate the use volume of room between described storing according to described visual intensity, obtains the estimated value of described use volume;
Correcting module, is configured to the modifying factor using volume according to described infrared light Strength co-mputation; And
Result-generation module, is configured to the calculated value that cumulative described estimated value and described modifying factor obtain described use volume.
8. device according to claim 7, wherein,
Described estimation block is also configured to:
According to formula 1, described use volume is estimated,
Formula 1:V '=SA × k,
In described formula 1, V ' is the estimated value of described use volume, and SA is the visual intensity value that described detection components detects, k is the visible ray estimation coefficient of described detection components;
Described correcting module is also configured to:
The modifying factor of described use volume is calculated according to formula 2:
Formula 2:M=SP × J × T/SA,
In described formula 2, M is described modifying factor, SP is the infrared light intensity level that described detection components detects, J is the infrared light correction constant of described detection components, T is that described detection components detects distance value corresponding to the infrared light intensity that obtains, wherein said k and J is the constant being stored in described refrigerator in advance, is drawn by test statistics in advance.
9. the device according to claim 7 or 8, also comprises:
Trigger module, is configured to: obtain volume measurement trigger pip, described volume measurement trigger pip comprises following any one or more: the pass gate signal of timing signal, described refrigerator, the trigger pip of user operation.
10. the device according to claim 7 or 8, also comprises:
Execution module, is configured to adjust the refrigerating state of described refrigerator according to the calculated value of described use volume and/or export described calculated value to user.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510219350.1A CN104897231B (en) | 2015-04-30 | 2015-04-30 | Refrigerator uses volume measurement method and apparatus |
| PCT/CN2015/088671 WO2016173168A1 (en) | 2015-04-30 | 2015-08-31 | Method and device for detecting used capacity of refrigerator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510219350.1A CN104897231B (en) | 2015-04-30 | 2015-04-30 | Refrigerator uses volume measurement method and apparatus |
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| CN104897231A true CN104897231A (en) | 2015-09-09 |
| CN104897231B CN104897231B (en) | 2019-05-31 |
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| WO (1) | WO2016173168A1 (en) |
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Also Published As
| Publication number | Publication date |
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| WO2016173168A1 (en) | 2016-11-03 |
| CN104897231B (en) | 2019-05-31 |
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