CN114611331A - Refrigerator health index calculation method - Google Patents
Refrigerator health index calculation method Download PDFInfo
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- CN114611331A CN114611331A CN202210358003.7A CN202210358003A CN114611331A CN 114611331 A CN114611331 A CN 114611331A CN 202210358003 A CN202210358003 A CN 202210358003A CN 114611331 A CN114611331 A CN 114611331A
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- 230000036541 health Effects 0.000 title claims abstract description 53
- 238000004364 calculation method Methods 0.000 title claims abstract description 32
- 238000005057 refrigeration Methods 0.000 claims abstract description 39
- 238000000034 method Methods 0.000 claims abstract description 10
- 238000007710 freezing Methods 0.000 claims description 9
- 230000008014 freezing Effects 0.000 claims description 9
- 206010052804 Drug tolerance Diseases 0.000 claims description 3
- 238000009825 accumulation Methods 0.000 claims description 3
- 230000001186 cumulative effect Effects 0.000 claims description 3
- 230000003203 everyday effect Effects 0.000 claims description 3
- 230000026781 habituation Effects 0.000 claims description 3
- 230000008569 process Effects 0.000 abstract description 3
- 238000011156 evaluation Methods 0.000 abstract description 2
- 230000003247 decreasing effect Effects 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000002354 daily effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
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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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
- G06F17/10—Complex mathematical operations
- G06F17/18—Complex mathematical operations for evaluating statistical data, e.g. average values, frequency distributions, probability functions, regression analysis
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2119/00—Details relating to the type or aim of the analysis or the optimisation
- G06F2119/04—Ageing analysis or optimisation against ageing
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2119/00—Details relating to the type or aim of the analysis or the optimisation
- G06F2119/08—Thermal analysis or thermal optimisation
Abstract
The invention discloses a refrigerator health index calculation method, and relates to the technical field of refrigerator health state evaluation. The invention comprises the following steps: calculating a refrigerator service life index, a refrigeration performance index and a calculation habit index in sequence; and then, calculating the health index of the refrigerator according to the life index of the refrigerator, the habit index of the user and the average value of the refrigeration performance index. The health index is formed by the three parts of the refrigerator service life, the refrigerator refrigeration performance and the user use habit, the health index of the refrigerator is obtained by calculating the data in the refrigerator operation process, the user can integrally know the health condition of the refrigerator through the health index of the refrigerator, and when the health index of a certain part of the refrigerator is lower than a certain preset value, the user is actively prompted so that the user can take corresponding treatment measures.
Description
Technical Field
The invention belongs to the technical field of refrigerator health state evaluation, and particularly relates to a refrigerator health index calculation method.
Background
The refrigerator is an essential household appliance in daily life, and people generally maintain the refrigerator without refrigerating when using the refrigerator. It is unknown that the operation function of the whole refrigerator is the same as the human body, and the operation function changes due to the change of the use habit of the user, the use time and the refrigeration performance of the refrigerator in the use process. If the refrigerator is used for a long time, the problems of line aging, heat preservation performance reduction, noise increase and the like are not ignored, although the surface is not seen to be problematic. Even though the refrigerator can refrigerate, the specific performances are different, some temperatures drop fast, some temperatures drop slowly, and the performances can be expressed by refrigeration performance. In addition, the use habit of the user also influences the overall performance of the refrigerator, if the door opening times are large, the problems of energy consumption increase, accumulated water increase, frost blockage and the like can be caused after the door is opened for a long time, and the refrigeration of the refrigerator is abnormal in a serious condition.
The existing refrigerator only simply carries out refrigeration, but the whole operation function of the refrigerator, namely the health condition of the refrigerator is not monitored. The user is not actively informed of the health condition of the refrigerator. The user does not passively maintain the refrigerator until the refrigerator is not refrigerated, food is damaged, or the danger of short circuit of the electric appliance occurs. And the economic loss generated at this time is generally large.
Disclosure of Invention
The invention aims to provide a refrigerator health index calculation method, which judges the health condition of a refrigerator by monitoring the service life, the refrigeration performance and the use habit of a user of the refrigerator, and actively prompts the user once the health index of a certain part of the refrigerator is lower than a certain preset value so that the user can take corresponding treatment measures, thereby solving the problems that the fault of the existing refrigerator is not found in time and the refrigerator cannot be monitored in real time.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a method for calculating a refrigerator health index, which consists of a refrigerator life index, a refrigeration performance index and a user use habit index; the weight of each part of the refrigerator life index, the refrigeration performance index and the user use habit index is 0.2, 0.6 and 0.2 respectively, and the calculation of the refrigerator health index comprises the following steps:
step S1: calculating the refrigerator service life index, wherein the specific calculation formula is as follows:
refrigerator life index (3650-a)/3650;
wherein 3650 is the preset service life of the refrigerator, a is the time of the refrigerator and the operation, and the unit is day;
step S2: calculating the refrigeration performance index, wherein the specific calculation formula is as follows:
the refrigerator performance index is 0.5 xd/D +0.5 xc/C;
in the formula, two 0.5 are respectively the weight of the refrigerating chamber and the freezing chamber in the refrigerating performance index; d is the average decreasing temperature per minute of the freezing chamber in the last refrigeration cycle, D is the average standard decreasing temperature per minute of the freezing chamber, C is the average decreasing temperature per minute of the refrigerating chamber in the last refrigeration cycle, and C is the average standard decreasing temperature per minute of the refrigerating chamber;
step S3: calculating the habit index, wherein a specific calculation formula is as follows:
habituation index 0.5 × 1/(t1-5) +0.5 × 1/(t 2-3);
wherein t1 is the accumulated door opening times in one day, and t1 is less than 6 and is calculated according to 6 hours; t2 is average time for opening the door every day in seconds, and t2 is less than 4 hours and is calculated according to 4 hours;
step S4: and solving the health index of the refrigerator according to the service life index of the refrigerator, the use habit index of the user and the average value of the refrigerating performance index.
As a preferable technical solution, in the step S1, the refrigerator and the operation time are calculated by day, and less than one day is calculated by one day.
As a preferable technical solution, in the step S4, the units of the refrigerator health index include day units, month units and year units; when the health index of the refrigerator is in a unit of day, the average value of the refrigeration performance indexes is calculated by dividing the refrigeration performance index of the day by the number of refrigeration cycles of the day; when the health index of the refrigerator takes a month as a unit, the calculation method of the use habit index of the user for counting the month comprises the following steps: counting the accumulated sum of the use habit indexes of the users of each day of the month, and dividing the accumulated sum by the number of days of the month; the calculation method of the refrigerating performance index of the statistical month comprises the following steps: the refrigerating performance index accumulation sum of each day of the statistical month is divided by the number of days of the statistical month; when the refrigerator health index is in units of years, the calculation method of the use habit index of the user for counting the years comprises the following steps: counting users in each month of the year, and dividing the sum of the habit indexes by 12; the calculation method of the refrigeration performance index of the statistical year comprises the following steps: the refrigeration performance index cumulative sum for each month of the statistical year is divided by 12.
As a preferred technical solution, in step S4, the health index is calculated by the following formula:
health index 0.2 lifetime index +0.6 refrigeration performance index +0.2 user usage habit index.
The invention has the following beneficial effects:
the health index is formed by the three parts of the refrigerator service life, the refrigerator refrigeration performance and the user use habit, the health index of the refrigerator is obtained by calculating the data in the refrigerator operation process, the user can integrally know the health condition of the refrigerator through the health index of the refrigerator, and when the health index of a certain part of the refrigerator is lower than a certain preset value, the user is actively prompted so that the user can take corresponding treatment measures.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a flowchart of a refrigerator health index calculation method according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention is a method for calculating a health index of a refrigerator, wherein the health index of the refrigerator is composed of a life index of the refrigerator, a refrigerating performance index and a user habit index; the weight of each part of the refrigerator service life index, the refrigeration performance index and the user use habit index is 0.2, 0.6 and 0.2 respectively; therefore, the health index is a value greater than 0 and less than or equal to 1, and the calculation of the refrigerator health index includes the following steps:
step S1: calculating the life index of the refrigerator, wherein the specific calculation formula is as follows:
refrigerator life index (3650-a)/3650;
wherein 3650 is the preset service life of the refrigerator, a is the time of the refrigerator and the operation, and the unit is day;
step S2: calculating the refrigeration performance index, wherein the specific calculation formula is as follows:
the refrigerator performance index is 0.5 xd/D +0.5 xc/C;
in the formula, two 0.5 are respectively the weight of the refrigerating chamber and the freezing chamber in the refrigerating performance index; d is the average drop temperature per minute of the freezing chamber in the last refrigeration cycle, D is the average standard drop temperature per minute of the freezing chamber, C is the average drop temperature per minute of the refrigerating chamber in the last refrigeration cycle, and C is the average standard drop temperature per minute of the refrigerating chamber;
step S3: calculating the habit index, wherein a specific calculation formula is as follows:
habituation index 0.5 × 1/(t1-5) +0.5 × 1/(t 2-3);
wherein t1 is the accumulated door opening times in one day, and t1 is less than 6 and is calculated according to 6 hours; t2 is average time for opening the door every day in seconds, and t2 is less than 4 hours and is calculated according to 4 hours;
step S4: and calculating the health index of the refrigerator according to the life index of the refrigerator, the habit index of the user and the average value of the refrigeration performance index.
In step S1, the time of the refrigerator and the operation is calculated by day, and the time of the refrigerator and the operation is calculated by day.
In step S4, units of the refrigerator health index include day units, month units, and year units; when the health index of the refrigerator is in a unit of day, the average value of the refrigeration performance indexes is calculated by dividing the refrigeration performance index of the day by the number of refrigeration cycles of the day; when the health index of the refrigerator is in a month unit, the calculation method of the use habit index of the user for counting the month is as follows: counting the accumulated sum of the use habit indexes of the users of each day of the month, and dividing the accumulated sum by the number of days of the month; the calculation method of the refrigerating performance index of the statistical month comprises the following steps: the refrigerating performance index accumulation sum of each day of the statistical month is divided by the number of days of the statistical month; when the refrigerator health index is in units of years, the calculation method of the use habit index of the user for counting the years comprises the following steps: counting users in each month of the year, and dividing the sum of the habit indexes by 12; the calculation method of the refrigeration performance index of the statistical year comprises the following steps: the refrigeration performance index cumulative sum for each month of the statistical year is divided by 12.
In step S4, the health index is calculated by the formula:
health index 0.2 lifetime index +0.6 refrigeration performance index +0.2 user usage habit index.
Wherein, each part index alarm is set as the following table:
| index of life | Index of refrigeration performance | User usage habit index |
| <0.1 | <0.5 | <0.07 |
It should be noted that, in the above system embodiment, each included unit is only divided according to functional logic, but is not limited to the above division as long as the corresponding function can be implemented; in addition, specific names of the functional units are only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the present invention.
In addition, it is understood by those skilled in the art that all or part of the steps in the method for implementing the embodiments described above may be implemented by a program instructing associated hardware, and the corresponding program may be stored in a computer-readable storage medium.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (4)
1. A refrigerator health index calculation method comprises the steps that a refrigerator health index consists of a refrigerator service life index, a refrigeration performance index and a user use habit index; the weight of each part of the refrigerator service life index, the refrigeration performance index and the user use habit index is 0.2, 0.6 and 0.2 respectively; the method is characterized in that the calculation of the refrigerator health index comprises the following steps:
step S1: calculating the life index of the refrigerator, wherein the specific calculation formula is as follows:
refrigerator life index (3650-a)/3650;
wherein 3650 is the preset service life of the refrigerator, a is the time of the refrigerator and the operation, and the unit is day;
step S2: calculating the refrigerating performance index, wherein the specific calculation formula is as follows:
the refrigerator performance index is 0.5 xd/D +0.5 xc/C;
in the formula, two 0.5 are respectively the weight of the refrigerating chamber and the freezing chamber in the refrigerating performance index; d is the average drop temperature per minute of the freezing chamber in the last refrigeration cycle, and D is the average standard drop temperature per minute of the freezing chamber; c is the average drop temperature per minute of the refrigerating chamber in the last refrigerating cycle, and C is the average standard drop temperature per minute of the refrigerating chamber;
step S3: calculating the habit index, wherein a specific calculation formula is as follows:
habituation index 0.5 × 1/(t1-5) +0.5 × 1/(t 2-3);
wherein t1 is the accumulated door opening times in one day, and t1 is less than 6 and is calculated according to 6 hours; t2 is average time for opening the door every day in seconds, and t2 is less than 4 hours and is calculated according to 4 hours;
step S4: and calculating the health index of the refrigerator according to the life index of the refrigerator, the habit index of the user and the average value of the refrigeration performance index.
2. The method as claimed in claim 1, wherein in the step S1, the refrigerator and the operation time are calculated in units of days, and the number of the operation time is calculated by one day.
3. The method as claimed in claim 1, wherein in the step S4, the units of the refrigerator health index include day units, month units and year units; when the health index of the refrigerator is in a unit of day, the average value of the refrigerating performance indexes is calculated by dividing the refrigerating performance index of the day by the refrigerating cycle number of the day; when the health index of the refrigerator is in a month unit, the calculation method of the use habit index of the user for counting the month is as follows: counting the number of days of the month by dividing the accumulated sum of the user use habit indexes of each day of the month; the calculation method of the refrigerating performance index of the statistical month comprises the following steps: the refrigerating performance index accumulation sum of each day of the statistical month is divided by the number of days of the statistical month; when the refrigerator health index is in units of years, the calculation method of the use habit index of the user for counting the years comprises the following steps: counting users in each month of the year, and dividing the sum of the habit indexes by 12; the calculation method of the refrigeration performance index of the statistical year comprises the following steps: the refrigeration performance index cumulative sum for each month of the statistical year is divided by 12.
4. The method as claimed in claim 1, wherein in the step S4, the health index is calculated by the formula:
health index 0.2 lifetime index +0.6 refrigeration performance index +0.2 user usage habit index.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060217600A1 (en) * | 2005-03-22 | 2006-09-28 | Lee Ik K | Refrigerator for health management |
| CN103884152A (en) * | 2014-02-28 | 2014-06-25 | 四川长虹电器股份有限公司 | Refrigerator capable of providing health indexes and system |
| CN105469075A (en) * | 2015-12-24 | 2016-04-06 | 青岛海尔股份有限公司 | Refrigerator and control method thereof |
| CN113758133A (en) * | 2020-06-04 | 2021-12-07 | 海信（山东）冰箱有限公司 | Refrigerator control method and refrigerator |
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- 2022-04-06 CN CN202210358003.7A patent/CN114611331B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060217600A1 (en) * | 2005-03-22 | 2006-09-28 | Lee Ik K | Refrigerator for health management |
| CN103884152A (en) * | 2014-02-28 | 2014-06-25 | 四川长虹电器股份有限公司 | Refrigerator capable of providing health indexes and system |
| CN105469075A (en) * | 2015-12-24 | 2016-04-06 | 青岛海尔股份有限公司 | Refrigerator and control method thereof |
| CN113758133A (en) * | 2020-06-04 | 2021-12-07 | 海信（山东）冰箱有限公司 | Refrigerator control method and refrigerator |
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