CN114608262A - Refrigerator fault repairing and early warning method - Google Patents

Refrigerator fault repairing and early warning method Download PDF

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Publication number
CN114608262A
CN114608262A CN202210220278.4A CN202210220278A CN114608262A CN 114608262 A CN114608262 A CN 114608262A CN 202210220278 A CN202210220278 A CN 202210220278A CN 114608262 A CN114608262 A CN 114608262A
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China
Prior art keywords
refrigerator
delta
control module
fault
time
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Pending
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CN202210220278.4A
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Chinese (zh)
Inventor
施飞
汪良树
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Changhong Meiling Co Ltd
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Changhong Meiling Co Ltd
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Priority to CN202210220278.4A priority Critical patent/CN114608262A/en
Publication of CN114608262A publication Critical patent/CN114608262A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D29/00Arrangement or mounting of control or safety devices
    • F25D29/008Alarm devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2700/00Means for sensing or measuring; Sensors therefor
    • F25D2700/12Sensors measuring the inside temperature

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • 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)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)

Abstract

The invention discloses a method for repairing and early warning refrigerator faults, and relates to the technical field of refrigerator fault detection. The invention comprises the following steps: the control module monitors the difference value delta T between the real-time temperature and the set temperature of each chamber in the time T and monitors the change trend of the delta T; if the delta T continuously decreases, judging that the refrigeration is normal; if the delta T continuously increases, judging that the refrigeration is abnormal, sending a repair instruction by the control module, continuously monitoring the delta T change trend within T1 time by the control module, and if the delta T continuously decreases, judging that the fault is repaired; if the delta T continuously increases, it is judged that the abnormity cannot be automatically repaired, and the WIFI module immediately sends fault early warning information to a user. According to the method and the device, the refrigeration state of the refrigerator is monitored in real time, the repair program is executed immediately after the refrigeration abnormity is judged, and if the problem of the refrigeration abnormity cannot be solved by the repair program, the fault early warning information is sent to a user through the WIFI module, so that the damage of stored articles of the user caused by long-time fault of the refrigerator is prevented.

Description

Refrigerator fault repairing and early warning method
Technical Field
The invention belongs to the technical field of refrigerator fault detection, and particularly relates to a refrigerator fault repairing and early warning method.
Background
Along with the improvement of the technological level and the upgrade of life consumption, the intellectualization of the refrigerator is rapidly developed and improved, and the refrigerator products with multiple systems and multiple temperature areas are more and more popularized. Electric parts such as an electric damper or an electric switching valve are widely used in refrigerators. The refrigerator adopts the electric air door, an independent temperature area can be designed in the refrigerator body, the use by a user is convenient, and the product practicability is improved; the refrigerator uses the electric switch valve, can design a plurality of independent warm areas in the box, and the air current does not circulate between each warm area, improves the product practicality, prevents simultaneously that the flavor is scurried each other between the different food, is favorable to the fresh-keeping of refrigerator more. The new electric parts bring functional convenience to the refrigerator, and meanwhile, the risk of complete machine failure is increased. In comparison, the market failure rate of the intelligent electric control refrigerator is far higher than that of the machine control refrigerator, and the more complex the product is, the higher the failure probability is.
The after-sale data analysis of the refrigerator market can find that the refrigerator fault reported by many users is caused by abnormal room temperature due to long-time fault accumulation of the refrigerator, and finally the refrigerator is found after the articles are deteriorated and damaged. Such a malfunction often causes damage to food, medicines, or other valuables stored in the refrigerator by the user, resulting in a large economic loss to the user.
Disclosure of Invention
The invention aims to provide a refrigerator fault repairing and early warning method, which is characterized in that a refrigerating state of a refrigerator is monitored in real time, a repairing program is immediately executed after refrigeration abnormity is judged, if the repairing program cannot solve the problem of refrigeration abnormity, fault early warning information is sent to a user through a WIFI module, the user is reminded to contact a merchant for after-sale door maintenance as soon as possible, and the problems of untimely fault discovery and economic loss of the existing refrigerator are solved.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a method for repairing and early warning refrigerator faults, which comprises the following steps:
step one, a control module monitors the running state of a refrigerator system;
step two, the temperature sensing module monitors the real-time temperature of the indoor temperature sensors of each room in real time;
step three, the control module monitors the difference value delta T between the real-time temperature and the set temperature of each chamber in time T, and monitors the change trend of the delta T;
if the delta T continuously decreases, judging that the refrigeration is normal;
if the delta T continuously increases, judging that the refrigeration is abnormal, and sending a repair instruction by the control module;
step four, the control module continuously monitors the change trend of delta T within T1 time;
if the delta T is continuously reduced, judging that the fault is repaired;
if the delta T is continuously increased, the abnormal condition is judged to be incapable of being automatically repaired, and the WIFI module immediately sends fault early warning information to a user.
As a preferred technical solution, in the first step, the refrigerator system includes a control module, a temperature sensing module, an electrical component, and a WIFI module; the control module monitors the real-time temperature of each temperature sensor in the temperature sensing module, analyzes data and is used for controlling the on-off and resetting of the electrical components.
In a preferred embodiment, in the second step, the temperature sensing module includes a plurality of temperature sensors, which are respectively disposed inside each compartment and are used for measuring the real-time temperature of the compartment in which the temperature sensing module is located and transmitting data to the control module.
As a preferred technical solution, the electrical components include an electric damper and an electric switching valve; the electric air door controls the refrigerator of the corresponding compartment through the opening and closing state of the door plate; when the electric air door is reset, the electric air door is closed firstly and then is restored to the previous position; the electric switching valve controls refrigeration of the corresponding chamber by switching a refrigerant loop; when the electric switching valve is reset, the electric switching valve rotates to the original point and then rotates to the previous position.
As a preferred technical scheme, the WIFI module is installed in a hinge cover at the top of the refrigerator and used for connecting a network to enable the mobile phone and the refrigerator to be connected and communicated.
The invention has the following beneficial effects:
according to the invention, the refrigeration state of the refrigerator is monitored in real time, the repair program is immediately executed after the refrigeration abnormity is judged, and if the problem of the refrigeration abnormity cannot be solved by the repair program, the fault early warning information is sent to the user through the WIFI module, so that the user is reminded to contact a merchant for after-sale door maintenance as soon as possible, and the damage of stored articles of the user caused by the long-time fault of the refrigerator is prevented.
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 method for repairing and warning a refrigerator fault 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 relates to a method for repairing and early warning a refrigerator failure, comprising the following steps:
step one, a control module monitors the running state of a refrigerator system;
step two, the temperature sensing module monitors the real-time temperature of the indoor temperature sensors of each room in real time;
step three, the control module monitors the difference value delta T between the real-time temperature and the set temperature of each chamber in time T, and monitors the change trend of the delta T;
if the delta T continuously decreases, judging that the refrigeration is normal;
if the delta T continuously increases, judging that the refrigeration is abnormal, and sending a repair instruction by the control module;
step four, the control module continuously monitors the change trend of delta T within T1 time;
if the delta T is continuously reduced, judging that the fault is repaired;
if the delta T is continuously increased, the abnormal condition is judged to be incapable of being automatically repaired, and the WIFI module immediately sends fault early warning information to a user.
In the first step, the refrigerator system comprises a control module, a temperature sensing module, an electric component and a WIFI module; the control module monitors the real-time temperature of each temperature sensor in the temperature sensing module, analyzes data and is used for controlling the on-off and resetting of the electrical component; the electric components comprise an electric air door and an electric switching valve; the electric air door controls the refrigeration of the corresponding compartment through the opening and closing state of the door panel; when the electric air door is reset, the electric air door is closed firstly and then is restored to the previous position; the electric switching valve controls the refrigeration of the corresponding chamber by switching the refrigerant circuit; when the electric switching valve is reset, the electric switching valve rotates to the original point and then rotates to the previous position; the WIFI module is installed in a hinge cover at the top of the refrigerator and used for connecting a network to enable the mobile phone and the refrigerator to be connected and communicated.
In the second step, the temperature sensing module comprises a plurality of temperature sensors which are respectively arranged in each chamber and used for measuring the real-time temperature of the chamber in which the temperature sensing module is arranged and transmitting data to the control module.
One specific application of this embodiment is:
the control module monitors the running state of the system, and the temperature sensing module monitors the real-time temperature of the indoor temperature sensors in each room in real time. The control module monitors the difference value delta T between the real-time temperature and the set temperature of each chamber in the time T, and monitors the change trend of delta T: if the delta T continuously decreases, judging that the refrigeration is normal; if the delta T continuously increases, judging that the refrigeration is abnormal, sending a repair instruction by the control module, continuously monitoring the delta T change trend within T1 time by the control module, and if the delta T continuously decreases, judging that the fault is repaired; if the delta T continuously increases, the abnormal condition is judged to be incapable of being automatically repaired, and the WIFI module immediately sends fault early warning information to the user to remind the user to report the repair as soon as possible.
Meanwhile, the control module sends a reset instruction to the electrical component, and the electrical component executes a reset action to complete a repair instruction. The electric air door or the electric switching valve can not act or act in place due to various factors in the working process, so that the reset instruction is timely executed, the error state can be timely corrected, the continuous development of the fault is blocked, and the fault problem is solved at the initial stage of the fault occurrence. And for the condition that the fault still exists after the repair instruction is executed, early warning information is timely given to a user in the initial fault occurrence stage and under the condition that the temperature in the refrigerator is not obviously deteriorated temporarily, and the loss occurrence is reduced to the maximum extent.
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 (5)

1. A refrigerator fault repairing and early warning method is characterized by comprising the following steps:
step one, a control module monitors the running state of a refrigerator system;
step two, the temperature sensing module monitors the real-time temperature of the indoor temperature sensors of each room in real time;
step three, the control module monitors the difference value delta T between the real-time temperature and the set temperature of each chamber in time T, and monitors the change trend of the delta T;
if the delta T continuously decreases, judging that the refrigeration is normal;
if the delta T continuously increases, judging that the refrigeration is abnormal, and sending a repair instruction by the control module;
step four, the control module continuously monitors the change trend of delta T within T1 time;
if the delta T is continuously reduced, judging that the fault is repaired;
if the delta T is continuously increased, the abnormal condition is judged to be incapable of being automatically repaired, and the WIFI module immediately sends fault early warning information to a user.
2. The method for repairing and early warning the refrigerator fault according to claim 1, wherein in the first step, the refrigerator system comprises a control module, a temperature sensing module, an electric component and a WIFI module; the control module monitors the real-time temperature of each temperature sensor in the temperature sensing module, analyzes data and is used for controlling the on-off and resetting of the electrical components.
3. The method for repairing and early warning of refrigerator failure as claimed in claim 1, wherein in the second step, the temperature sensing module comprises a plurality of temperature sensors respectively arranged inside each compartment for measuring real-time temperature of the compartment and transmitting data to the control module.
4. The method for repairing and warning refrigerator fault according to claim 2, characterized in that the electrical components comprise an electric air door and an electric switching valve; the electric air door controls the refrigerator of the corresponding compartment through the opening and closing state of the door plate; when the electric air door is reset, the electric air door is closed firstly and then is restored to the previous position; the electric switching valve controls refrigeration of the corresponding chamber by switching the refrigerant circuit; when the electric switching valve is reset, the electric switching valve rotates to the original point and then rotates to the previous position.
5. The method for repairing and warning the refrigerator fault is characterized in that the WIFI module is installed in a hinge cover at the top of the refrigerator and used for connecting a network to enable a mobile phone to be connected with the refrigerator and communicated with the refrigerator.
CN202210220278.4A 2022-03-08 2022-03-08 Refrigerator fault repairing and early warning method Pending CN114608262A (en)

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CN202210220278.4A CN114608262A (en) 2022-03-08 2022-03-08 Refrigerator fault repairing and early warning method

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Application Number Priority Date Filing Date Title
CN202210220278.4A CN114608262A (en) 2022-03-08 2022-03-08 Refrigerator fault repairing and early warning method

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CN114608262A true CN114608262A (en) 2022-06-10

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117352153A (en) * 2023-12-04 2024-01-05 青岛量谷无线科技有限公司 Medicine quality monitoring and real-time reporting method for medical refrigerator

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003254645A (en) * 2002-02-26 2003-09-10 Mitsubishi Heavy Ind Ltd Refrigerating device and malfunction detecting method
CN107576146A (en) * 2017-10-19 2018-01-12 合肥美的电冰箱有限公司 Refrigerator and its alarm method and warning device
CN110345705A (en) * 2018-04-03 2019-10-18 合肥华凌股份有限公司 Optimal control method, device and the refrigeration system of thermostat valve for refrigeration system
CN110645767A (en) * 2019-08-15 2020-01-03 长虹美菱股份有限公司 Refrigerator-based fault judging and reminding system
CN110986478A (en) * 2019-12-16 2020-04-10 长虹美菱股份有限公司 Intelligent refrigerator refrigerating capacity distribution and fault detection method
CN111174508A (en) * 2020-03-13 2020-05-19 海信容声(广东)冷柜有限公司 Refrigerator and control method thereof
CN111623579A (en) * 2020-05-12 2020-09-04 海信(山东)冰箱有限公司 Electric valve monitoring method and device for refrigerator and refrigerator
CN113915893A (en) * 2021-05-08 2022-01-11 海信(山东)冰箱有限公司 Refrigerator and control method thereof

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003254645A (en) * 2002-02-26 2003-09-10 Mitsubishi Heavy Ind Ltd Refrigerating device and malfunction detecting method
CN107576146A (en) * 2017-10-19 2018-01-12 合肥美的电冰箱有限公司 Refrigerator and its alarm method and warning device
CN110345705A (en) * 2018-04-03 2019-10-18 合肥华凌股份有限公司 Optimal control method, device and the refrigeration system of thermostat valve for refrigeration system
CN110645767A (en) * 2019-08-15 2020-01-03 长虹美菱股份有限公司 Refrigerator-based fault judging and reminding system
CN110986478A (en) * 2019-12-16 2020-04-10 长虹美菱股份有限公司 Intelligent refrigerator refrigerating capacity distribution and fault detection method
CN111174508A (en) * 2020-03-13 2020-05-19 海信容声(广东)冷柜有限公司 Refrigerator and control method thereof
CN111623579A (en) * 2020-05-12 2020-09-04 海信(山东)冰箱有限公司 Electric valve monitoring method and device for refrigerator and refrigerator
CN113915893A (en) * 2021-05-08 2022-01-11 海信(山东)冰箱有限公司 Refrigerator and control method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117352153A (en) * 2023-12-04 2024-01-05 青岛量谷无线科技有限公司 Medicine quality monitoring and real-time reporting method for medical refrigerator
CN117352153B (en) * 2023-12-04 2024-02-20 青岛量谷无线科技有限公司 Medicine quality monitoring and real-time reporting method for medical refrigerator

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