Summary of the invention
In view of the above problems, it is proposed that the present invention is to provide a kind of refrigeration for refrigerator duration control method based on food materials and device overcoming the problems referred to above or solving the problems referred to above at least in part.
A further object of the invention is to save the energy, promotes the experience of user.
Especially, the invention provides a kind of refrigeration for refrigerator duration control method based on food materials, should include based on the refrigeration for refrigerator duration control method of food materials: between detection refrigerator storing, indoor are placed into the kind of food materials, weight and initial temperature;Determine the specific heat capacitance that the kind being placed into food materials is corresponding;According to specific heat capacitance and be placed into food materials weight calculate will be placed into caloric value needed for food materials are cooled to storing compartment temperature from initial temperature;And the cooling time of the compressor horsepower calculating refrigerator according to caloric value and refrigerator, and refrigerator is made to start refrigeration and continue cooling time.
Optionally it is determined that the step of specific heat capacitance corresponding to the kind that is placed into food materials includes: mate the specific heat capacitance drawing correspondence in default material specific heat capacity storehouse according to the kind being placed into food materials.
Alternatively, between detection refrigerator storing, the step of the indoor weight being placed into food materials includes: obtain the weight measurement of the weight sensor being arranged at support portion place, each storage area in refrigerator, and the weight being placed into food materials is determined in the change according to weight measurement.
Alternatively, between detection refrigerator storing, the step of the indoor kind being placed into food materials includes: utilize the input equipment being arranged on outcase of refrigerator to obtain the kind being placed into food materials being manually entered by user;Or utilize the bar code scanner being arranged on outcase of refrigerator that the bar code being placed in food materials packaging is scanned, to determine the kind being placed into food materials;Or utilize the image capturing device being arranged in refrigerator that each storage area of refrigerator is shot, obtain storing image;With refrigerator last time, this is closed the storing image obtained behind the door compare, to determine the image being placed into food materials;And the image being placed into food materials is identified, it is determined that it is placed into the kind of food materials.
Alternatively, initial temperature is the refrigerator place ambient temperature of the environment temperature sensor measurement of refrigerator;And storing compartment temperature utilizes compartment temperature sensor measurement indoor between storing to obtain.
Alternatively, the step of the cooling time that the compressor horsepower according to caloric value and refrigerator calculates refrigerator includes: calculate the cooling time of refrigerator according to formula T=CM Δ t/ (P η), wherein, T is the cooling time of refrigerator, C is specific heat capacitance, and M is the weight being placed into food materials, and Δ t is the temperature gap of initial temperature and storing compartment temperature, P is the compressor horsepower of refrigerator, and η is default refrigerating efficiency.
According to another aspect of the present invention, a kind of refrigeration for refrigerator time-controlling arrangement based on food materials is additionally provided.Should include based on the refrigeration for refrigerator time-controlling arrangement of food materials: food materials detection module, and be configured to indoor between detection refrigerator storing be placed into the kind of food materials, weight and initial temperature;Parameter determination module, is configured to determine the specific heat capacitance that the kind being placed into food materials is corresponding;Heat Calculation module, be configured to according to specific heat capacitance and be placed into food materials weight calculate will be placed into caloric value needed for food materials are cooled to storing compartment temperature from initial temperature;And Time Calculation module, it is configured to the compressor horsepower according to caloric value and refrigerator and calculates the cooling time of refrigerator, and make refrigerator start refrigeration and continue cooling time.
Alternatively, parameter determination module is configured to: mate the specific heat capacitance drawing correspondence in default material specific heat capacity storehouse according to the kind being placed into food materials.
Alternatively, food materials detection module also includes: weight detecting submodule, is configured to obtain the weight measurement of the weight sensor being arranged at support portion place, each storage area in refrigerator, and the weight being placed into food materials is determined in the change according to weight measurement.
Alternatively, food materials detection module also includes category identification submodule, and category identification submodule is configured to: utilize the input equipment being arranged on outcase of refrigerator to obtain the kind being placed into food materials being manually entered by user;Or utilize the bar code scanner being arranged on outcase of refrigerator that the bar code being placed in food materials packaging is scanned, to determine the kind being placed into food materials;Or utilize the image capturing device being arranged in refrigerator that each storage area of refrigerator is shot, obtain storing image;With refrigerator last time, this is closed the storing image obtained behind the door compare, to determine the image being placed into food materials;And the image being placed into food materials is identified, it is determined that it is placed into the kind of food materials.
Alternatively, Time Calculation module is configured to: calculate the cooling time of refrigerator according to formula T=CM Δ t/ (P η), wherein, T is the cooling time of refrigerator, C is specific heat capacitance, and M is the weight being placed into food materials, Δ t be initial temperature with storing compartment temperature temperature gap, P is the compressor horsepower of refrigerator, and η is default refrigerating efficiency.
The refrigeration for refrigerator duration control method based on food materials of the present invention and device, the indoor kind being placed into food materials between refrigerator storing can be detected, weight and initial temperature, and determine the specific heat capacitance that the kind being placed into food materials is corresponding, according to specific heat capacitance and be placed into food materials weight calculate will be placed into caloric value needed for food materials are cooled to storing compartment temperature from initial temperature, and the cooling time of the compressor horsepower calculating refrigerator according to caloric value and refrigerator, and make refrigerator start refrigeration and continue cooling time, the cooling time of refrigerator is accurately controlled according to the food materials being placed into refrigerator, it is effectively improved the storage effect of food materials, and reduce refrigerator energy resource consumption, promote the experience of user.
Further, the refrigeration for refrigerator duration control method based on food materials of the present invention and device, the cooling time of refrigerator can be calculated according to formula T=CM Δ t/ (P η), wherein, T is the cooling time of refrigerator, C is specific heat capacitance, M is the weight being placed into food materials, Δ t be initial temperature with storing compartment temperature temperature gap, P is the compressor horsepower of refrigerator, η is default refrigerating efficiency, whole control process decreases user operation, determine that the method for refrigeration for refrigerator time is more intelligent, control exact science more to the refrigeration for refrigerator time, reduce energy waste.
According to below in conjunction with the accompanying drawing detailed description to the specific embodiment of the invention, those skilled in the art will understand the above-mentioned of the present invention and other purposes, advantage and feature more.
Detailed description of the invention
Present embodiments provide a kind of refrigeration for refrigerator duration control method based on food materials and device, it is adaptable to various intelligent refrigerators, by identifying the kind being placed into food materials and the weight of detection food materials, accurately control the cooling time of refrigerator, to save the energy.
Wherein, utilize the weight sensor at the support portion place, each storage area being arranged at above-mentioned refrigerator can obtain the weight of article in storage area, and from which further follow that the weight being placed into food materials.Specifically, weight sensor can be respectively arranged with at the bracing frame corner place of rack, the weight of food materials can be obtained by obtaining the meansigma methods of weight measurement.For the storage area in door body, bottom each bottle stand, two ends can be respectively arranged with weight sensor, can obtain the weight of food materials also according to the meansigma methods of weight measurement.
The kind being placed into food materials can be obtained by the input equipment being arranged on outcase of refrigerator, bar code scanner or the image capturing device being arranged in refrigerator.Specifically, the input equipment being arranged on outcase of refrigerator is utilized to obtain the kind being placed into food materials being manually entered by user, input equipment can adopt such as physical button or touch key-press, and input equipment can use touch screen to obtain the information of input in some preferred embodiments.Utilizing the bar code scanner being arranged on outcase of refrigerator that the bar code being placed in food materials packaging is scanned, to determine the kind being placed into food materials, above-mentioned bar code can be bar code or Quick Response Code.Utilize the image capturing device being arranged in refrigerator that each storage area of refrigerator is shot, obtain storing image;With refrigerator last time, this is closed the storing image obtained behind the door compare, to determine the image being placed into food materials;And the image being placed into food materials is identified, it is determined that it is placed into the kind of food materials.Image capturing device is arranged at inside refrigerator compartment, and can have multiple photographic head towards different storage spaces, and the storage area of its correspondence can be shot by each photographic head, obtains storing image.
The information such as food materials kind, weight that apparatus above obtains are utilized to may be used for the determination of refrigeration for refrigerator time so that refrigerator can accurately control cooling time, improves the control accuracy of refrigerator, advantageously reduces energy consumption and improves food materials condition of storage.
Fig. 1 is the schematic diagram of refrigeration for refrigerator duration control method based on food materials according to an embodiment of the invention, as it is shown in figure 1, this control method performs following steps successively:
Step S102, between detection refrigerator storing, indoor are placed into the kind of food materials, weight and initial temperature;
Step S104, it is determined that be placed into the specific heat capacitance that the kind of food materials is corresponding;
Step S106, according to specific heat capacitance and be placed into food materials weight calculate will be placed into caloric value needed for food materials are down to storing compartment temperature from initial temperature;
Step S108, calculates the cooling time of refrigerator, and makes refrigerator start refrigeration and continue cooling time according to the compressor horsepower of caloric value and refrigerator.
Wherein, step S102 detects the indoor kind being placed into food materials between refrigerator storing and may include that the kind being placed into food materials utilizing the input equipment being arranged on outcase of refrigerator acquisition to be manually entered by user.Input equipment can adopt such as physical button or touch key-press, and input equipment can use touch screen to obtain the information of input in some preferred embodiments.Input equipment can obtain and be picked and placeed the information of food materials by what user was manually entered, and the food materials information to automatically identifying that can be also used in some alternative embodiments confirms.
Can also utilize the bar code scanner being arranged on outcase of refrigerator that the bar code being placed in food materials packaging is scanned, to determine the kind being placed into food materials.Above-mentioned bar code can be bar code or Quick Response Code.
Can also utilize the image capturing device being arranged in refrigerator that each storage area of refrigerator is shot, obtain storing image;With refrigerator last time, this is closed the storing image obtained behind the door compare, to determine the image being placed into food materials;And the image being placed into food materials is identified, it is determined that it is placed into the kind of food materials.Image capturing device is arranged at inside refrigerator compartment, and can have multiple photographic head towards different storage spaces, and the storage area of its correspondence can be shot by each photographic head, obtains storing image.
Step S102 detects the indoor weight being placed into food materials between refrigerator storing and may include that the weight measurement obtaining the weight sensor being arranged at support portion place, each storage area in refrigerator, and the weight being placed into food materials is determined in the change according to weight measurement.Wherein, multiple weight sensors can be respectively arranged at support portion place, each storage area, for instance is arranged at the bracing frame of cold preservation rack both sides and the bracing frame of freezer drawer.The weight of storage area measured by weight sensor, determines the weight being placed into food materials with the weight change according to each storage area.The weight change of each storage area has a preset value, when the weight change value of weight sensor measurement is more than or equal to this preset value, can be determined with the operation picking and placeing food materials and occur;If the weight change value that weight sensor is measured is less than preset value, then it is assumed that the operation not picking and placeing food materials occurs.Specifically, the weight that weight sensor is measured increases, it is determined that has put into food materials in refrigerator, now according to the control method of the present embodiment, the refrigeration for refrigerator time can be controlled;The weight that weight sensor is measured reduces, it is determined that taken out food materials from refrigerator, and the refrigeration balance of refrigerator is not produced impact by this situation, and the refrigeration control mode of refrigerator does not change, and carries out according to the original refrigeration control mode of refrigerator.Above-mentioned preset value can configure according to the measurement error of weight sensor, it is prevented that the erroneous judgement that measurement error causes.
Quality signal can be changed into the signal of telecommunication of correspondence by weight sensor, for computing.Above-mentioned weight sensor can adopt various types of weight sensor, measures scope and precision can determine according to its residing actual working environment.
The initial temperature being placed into food materials in step S102 is refrigerator place ambient temperature, it is possible to use is arranged at the environment temperature sensor measurement outside refrigerator and obtains.In step S106, storing compartment temperature can utilize and be arranged between storing indoor compartment temperature sensor measurement and obtain.
Step S104 determining, specific heat capacitance corresponding to the kind being placed into food materials may include that mate in default material specific heat capacity storehouse according to the kind being placed into food materials and draws corresponding specific heat capacitance.Refrigerator this locality can be preset with material specific heat capacity storehouse, the kind of various food and its specific heat capacitance one_to_one corresponding, after determining food materials kind, it is possible to accurate match goes out its specific heat capacitance.Material specific heat capacity storehouse such as, show: Fructus Musae 3.35, Radix Dauci Sativae 3.6, Germinatus Phragmitis 3.93, Rhizoma Solani tuber osi 1.74, Semen Pisi sativi 3.31, Carnis Sus domestica 3.18, beef 3.22, Carnis caprae seu ovis 3.18, fish 3.18, sausage 3.68, egg (band shell) 3.2, if it is determined that being placed into food materials is Carnis Sus domestica, then can correspondence to obtain its specific heat capacitance be 3.18.If it is determined that being placed into food materials is various food, variety classes food materials can be put into different storage area, the weight sensor utilizing each storage area respectively obtains the weight of variety classes food materials, and in material specific heat capacity storehouse, obtain the different specific heat capacitances of variety classes food materials, in order to calculate these variety classes food materials afterwards and be down to the gross calorific value needed for storing compartment temperature from initial temperature.
In step S106 according to specific heat capacitance and be placed into food materials weight calculate will be placed into caloric value needed for food materials are down to storing compartment temperature from initial temperature, this step is calculated according to specific heat capacity formula: Q=CM Δ t, wherein Q is for being placed into caloric value needed for food materials are down to storing compartment temperature from initial temperature, C is the specific heat capacitance being placed into food materials, M is the weight being placed into food materials, Δ t be initial temperature with storing compartment temperature temperature gap.
The compressor horsepower formula of refrigerator: W=PT in step S108, wherein W is the total work that freezer compressor does, and P is compressor horsepower, and T is the compressor work time, i.e. the cooling time of refrigerator.It is being left out loss ideally, freezer compressor acting should be identical with caloric value needed for food materials variations in temperature, i.e. W=Q, but in practical situations both, freezer compressor acting has certain loss, refrigerating efficiency will not be 100%, thus can preset refrigerating efficiency is η, then W η=Q, thus can derive cooling time T=CM Δ t/ (P η), as long as obtaining the specific heat capacitance C being placed into food materials, it is placed into the weight M of food materials, it is placed into food materials and is down to the temperature gap Δ t of storing compartment temperature by initial temperature, compressor horsepower P, and preset rational refrigerating efficiency η according to many experiments, namely can determine that the cooling time T of refrigerator.
The refrigeration for refrigerator duration control method based on food materials of the present embodiment, the indoor kind being placed into food materials between refrigerator storing can be detected, weight and initial temperature, and determine the specific heat capacitance that the kind being placed into food materials is corresponding, according to specific heat capacitance and be placed into food materials weight calculate will be placed into caloric value needed for food materials are cooled to storing compartment temperature from initial temperature, and the cooling time of the compressor horsepower calculating refrigerator according to caloric value and refrigerator, and make refrigerator start refrigeration and continue cooling time, the cooling time of refrigerator is accurately controlled according to the food materials being placed into refrigerator, it is effectively improved the storage effect of food materials, and reduce refrigerator energy resource consumption, promote the experience of user.
Fig. 2 is the detail flowchart of refrigeration for refrigerator duration control method based on food materials in accordance with another embodiment of the present invention, as in figure 2 it is shown, this control method includes:
Step S202, the food materials weight M1 of room between detection refrigerator storing;
Step S204, obtains refrigerator and closes gate signal;
Step S206, the food materials weight M2 of room between detection refrigerator storing;
Step S208, compares food materials weight change in room between storing, it is thus achieved that be placed into food materials weight M;
Step S210, detection is placed into the kind of food materials;
Step S212, mates the specific heat capacitance C drawing correspondence according to the kind being placed into food materials in default material specific heat capacity storehouse;
Step S214, utilizes the environment temperature sensor of refrigerator to measure refrigerator place ambient temperature, as initial temperature t0;
Step S216, utilizes compartment temperature sensor measurement indoor between storing to obtain storing compartment temperature t1;
Step S218, calculates the cooling time T of refrigerator according to formula T=CM Δ t/ (P η);
Step S220, makes refrigerator start refrigeration and continue cooling time T.
In above step, step S202 detects the food materials weight M1 of room between refrigerator storing can carry out after the enabling signal obtaining refrigerator, and, step S206 detects the food materials weight M2 of room between refrigerator storing can at the laggard row of pass gate signal obtaining refrigerator.Wherein, the opening shutdown signal and can utilize door body detector acquisition of refrigerator.Door body detector can be mate the magnet-sensitive switch arranged with refrigerator door, and be configured to the on off state according to door body and change its switching signal.This magnet-sensitive switch can also adopt the contact switch such as fan-shaped switch to substitute.Door body detector can sense the folding of corresponding refrigerator door, and weight sensor indoor between the corresponding storing that only refrigerator door is opened just is operated, and the food materials weight of each storage area, room between above-mentioned storing is detected.
When step S202 and step S206 detects food materials weight, it is possible to use the weight sensor being arranged at support portion place, each storage area obtains the weight being placed into food materials.Specifically, weight sensor can be respectively arranged with at the bracing frame corner place of rack, the weight of food materials can be obtained by obtaining the meansigma methods of weight measurement.For the storage area in door body, bottom each bottle stand, two ends can be respectively arranged with weight sensor, can obtain the weight of food materials also according to the meansigma methods of weight measurement.
Being placed into food materials weight M in step S208 and be M2-M1, and in step S218, Δ t is (t0-t1), is be placed into food to be down to the temperature gap of storing compartment temperature by initial temperature, P is the compressor horsepower of refrigerator, and η is default refrigerating efficiency.Compressor horsepower P can obtain according to concrete refrigerator product, and η can preset according to the empirical value of many experiments.Above step can be optimized according to practical situation, for instance adjust η value, or η is optimized according to the type of room between storing.
It should be noted that, when following several situations occur, the refrigeration for refrigerator duration control method based on food materials of above-described embodiment can be optimized further, for instance when food materials are removed from refrigerator, because food materials are removed the refrigeration balance on refrigerator and do not produce impact.Again such as when interval is less, if the change of single room weight is identical, it is believed that the article being same are removed and placed into, the refrigeration balance of refrigerator is not produced impact.Implement the present embodiment based on the refrigeration for refrigerator duration control method of food materials before, when refrigerator carries out refrigeration control first, can freeze according to the method for detection temperature with design temperature detection, after refrigeration system balances, if there being food materials to put into, the weight of food materials change and changing value more than or equal to preset value time, then perform according to the control method of above-described embodiment.If the gravimetric value of food materials changes less than preset value, then ignore this change, detection temperature indoor between storing can supplementing as the cooling time control method of the present embodiment, be used for determining the opening point of refrigeration.
Additionally, using refrigerator place ambient temperature as initial temperature t0 in step S214, be that food materials are by the situation putting into refrigerator outside refrigerator.If in less interval, the food materials weight of refrigerator room reduces, the food materials weight of freezing compartment increases, and the food materials weight change value of room is equal between two, then it is believed that food materials are put into freezing compartment by refrigerator room, initial temperature t0 now is then the temperature of refrigerator room, and the temperature of the temperature t1 Ze Shi freezing compartment in step S216, in step S218, the temperature change value Δ t of food materials is (t0-t1), it it is the temperature gap of refrigerator room and freezing compartment, and all the other steps are according to above-mentioned flow performing, can when food materials be placed into freezing compartment by refrigerator room, obtain the refrigeration for refrigerator time accurately.
The refrigeration for refrigerator duration control method based on food materials of the present embodiment, the cooling time of refrigerator can be calculated according to formula T=CM Δ t/ (P η), wherein, T is the cooling time of refrigerator, C is specific heat capacitance, M is the weight being placed into food materials, Δ t be initial temperature with storing compartment temperature temperature gap, P is the compressor horsepower of refrigerator, η is default refrigerating efficiency, and whole control process decreases user operation, it is determined that the method for refrigeration for refrigerator time is more intelligent, control exact science more to the refrigeration for refrigerator time, reduces energy waste.
Fig. 3 is the schematic block diagram of refrigeration for refrigerator time-controlling arrangement 300 based on food materials according to an embodiment of the invention, it is possible in order to perform the refrigeration for refrigerator duration control method based on food materials of any of the above embodiment.As it is shown on figure 3, should include based on the refrigeration for refrigerator time-controlling arrangement 300 of food materials: food materials detection module 310, parameter determination module 320, heat Calculation module 330, Time Calculation module 340.
With in upper module, food materials detection module 310 can be configured to indoor between detection refrigerator storing and is placed into the kind of food materials, weight and initial temperature.
Parameter determination module 320 can be configured to determine the specific heat capacitance that the kind being placed into food materials is corresponding.
Heat Calculation module 330 can be configured to according to specific heat capacitance and be placed into food materials weight calculate will be placed into caloric value needed for food materials are cooled to storing compartment temperature from initial temperature.
Time Calculation module 340 can be configured to the compressor horsepower according to caloric value and refrigerator and calculates the cooling time of refrigerator, and makes refrigerator start refrigeration and continue cooling time.
Fig. 4 is the schematic block diagram of refrigeration for refrigerator time-controlling arrangement 300 based on food materials in accordance with another embodiment of the present invention, on the basis of a upper embodiment, the food materials detection module 310 based on the refrigeration for refrigerator time-controlling arrangement 300 of food materials can also include: weight detecting submodule 311 and category identification submodule 312.
Wherein, weight detecting submodule 311 can be configured to obtain the weight measurement of the weight sensor being arranged at support portion place, each storage area in refrigerator, and the weight being placed into food materials is determined in the change according to weight measurement.
Category identification submodule 312 can be configured to: utilizes the input equipment being arranged on outcase of refrigerator to obtain the kind being placed into food materials being manually entered by user;Or
Utilize the bar code scanner being arranged on outcase of refrigerator that the bar code being placed in food materials packaging is scanned, to determine the kind being placed into food materials;Or
Utilize the image capturing device being arranged in refrigerator that each storage area of refrigerator is shot, obtain storing image;With refrigerator last time, this is closed the storing image obtained behind the door compare, to determine the image being placed into food materials;And the image being placed into food materials is identified, it is determined that it is placed into the kind of food materials.
In the present embodiment, parameter determination module 320 may be configured to: mate the specific heat capacitance drawing correspondence in default material specific heat capacity storehouse according to the kind being placed into food materials.
Time Calculation module 340 may be configured to: calculate the cooling time of refrigerator according to formula T=CM Δ t/ (P η), wherein, T is the cooling time of refrigerator, C is specific heat capacitance, M is the weight being placed into food materials, Δ t be initial temperature with storing compartment temperature temperature gap, P is the compressor horsepower of refrigerator, and η is default refrigerating efficiency.
The refrigeration for refrigerator time-controlling arrangement 300 based on food materials of the present embodiment, the indoor kind being placed into food materials between refrigerator storing can be detected, weight and initial temperature, and determine the specific heat capacitance that the kind being placed into food materials is corresponding, according to specific heat capacitance and be placed into food materials weight calculate will be placed into caloric value needed for food materials are cooled to storing compartment temperature from initial temperature, and the cooling time of the compressor horsepower calculating refrigerator according to caloric value and refrigerator, and make refrigerator start refrigeration and continue cooling time, the cooling time of refrigerator is accurately controlled according to the food materials being placed into refrigerator, it is effectively improved the storage effect of food materials, and reduce refrigerator energy resource consumption, promote the experience of user.
Further, the refrigeration for refrigerator time-controlling arrangement 300 based on food materials of the present embodiment, the cooling time of refrigerator can be calculated according to formula T=CM Δ t/ (P η), wherein, T is the cooling time of refrigerator, C is specific heat capacitance, M is the weight being placed into food materials, Δ t be initial temperature with storing compartment temperature temperature gap, P is the compressor horsepower of refrigerator, η is default refrigerating efficiency, whole control process decreases user operation, determine that the method for refrigeration for refrigerator time is more intelligent, control exact science more to the refrigeration for refrigerator time, reduce energy waste.
So far, those skilled in the art will recognize that, although the detailed multiple exemplary embodiments illustrate and describing the present invention herein, but, without departing from the spirit and scope of the present invention, still can directly determine according to present disclosure or derive other variations or modifications many meeting the principle of the invention.Therefore, the scope of the present invention is it is understood that cover all these other variations or modifications with regarding as.