CN103471343A - Detection system for refrigeration incapability fault of refrigerator - Google Patents

Detection system for refrigeration incapability fault of refrigerator Download PDF

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Publication number
CN103471343A
CN103471343A CN2013104366224A CN201310436622A CN103471343A CN 103471343 A CN103471343 A CN 103471343A CN 2013104366224 A CN2013104366224 A CN 2013104366224A CN 201310436622 A CN201310436622 A CN 201310436622A CN 103471343 A CN103471343 A CN 103471343A
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China
Prior art keywords
temperature
measured
fault
evaporator
refrigerator
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CN2013104366224A
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Chinese (zh)
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CN103471343B (en
Inventor
马长州
崔培培
方昕
魏邦福
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Changhong Meiling Co Ltd
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Hefei Meiling Co ltd
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Priority to CN201310436622.4A priority Critical patent/CN103471343B/en
Priority to CN201510600728.2A priority patent/CN105157340B/en
Priority to CN201510600730.XA priority patent/CN105157341B/en
Publication of CN103471343A publication Critical patent/CN103471343A/en
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  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

The invention discloses a detection system for refrigeration incapability fault of a refrigerator. The detection system is characterized by comprising a first temperature sensor, a control unit and a display unit, wherein the first temperature sensor is arranged in a chamber to be detected and is used for detecting the temperature in the chamber to be detected, the control unit is used for collecting the temperature, measured by the first temperature sensor, of the chamber to be detected, and transmitting fault signals to the display unit, and the display unit is arranged at the outer surface of the refrigerator and is used for displaying the fault signals. The system provided by the invention can be used for judging the refrigeration incapability fault of each chamber of the refrigerator, users can be reminded in time, the method is simple, the efficiency is high, the food deterioration problem caused when the refrigeration incapability fault is not found in time is effectively avoided, and meanwhile, maintenance personnel can fast judge the fault reason according to the prompted fault information.

Description

The do not freeze detection system of fault of a kind of refrigerator
Technical field
The present invention relates to the do not freeze detection system of fault of refrigerator.
Background technology
Along with the development in refrigerator market, at present large volume multi-chamber electric control refrigerator is more and more, and each chamber of this type of refrigerator generally can independent temperature control, and refrigeration control is that the switching by air door or magnetic valve realizes.Do not open or solenoid valve failure while not switching when refrigerator air door breaks down, will cause some chamber not freezed; If compressor fault or refrigrant leakage there will be refrigerator, all do not freeze in each chamber.Above-mentioned refrigerator in use, once occur that the refrigerator complete machine does not freeze or indivedual between chamber do not freeze after fault, the user can not find immediately, cause food spoilage.
Summary of the invention
For solving the existing weak point of above-mentioned prior art, the invention provides a kind of refrigerator do not freeze detection system and the detection method thereof of fault, also notify in time the user to the fault of not freezing that can accurately detect refrigerator, offer help for the maintenance personal judges failure cause fast simultaneously.
Technical solution problem of the present invention adopts following technical scheme:
The do not freeze detection system of fault of refrigerator of the present invention, its characteristics are: described detection system comprises the first temperature sensor, control module and display unit;
Described the first temperature sensor be arranged on to be measured indoor, for detection of to be measured indoor temperature;
Described control module is used for gathering to be measured measured indoor temperature of described the first temperature sensor, and transmits fault-signal to described display unit;
Described display unit is arranged at the fridge exterior face, for showing fault-signal.
The do not freeze detection system of fault of refrigerator of the present invention, its characteristics also are: described refrigerator is the single evaporator direct cooling refrigerator, described detection system also comprises the second temperature sensor that is arranged on the evaporator inlet place, described the second temperature sensor detects evaporator temperature, and described control module gathers the evaporator temperature that described the second temperature sensor detects;
Be provided with compartment temperature limit value to be measured, limiting time and evaporator temperature limit value in described control module, when to be measured chamber starts refrigeration while reaching limiting time, to be measured indoor temperature starts the drop-out value of refrigeration temperature constantly lower than compartment temperature limit value to be measured than to be measured chamber, and evaporator temperature is during higher than the evaporator temperature limit value, and control module transmits the press fault-signal to display unit.
Described limiting time is 1-60min; Described compartment temperature limit value to be measured is 1-10 ℃; The evaporator temperature limit value is-15-35 ℃.
Or described refrigerator is two circulation direct cooling refrigerators or many circulations direct cooling refrigerator, described detection system also comprises second temperature sensor at the evaporator inlet place that is arranged on arbitrary chamber except to be measured chamber; Described the second temperature sensor detects evaporator temperature, and described control module gathers the evaporator temperature that described the second temperature sensor detects;
Be provided with compartment temperature limit value to be measured, limiting time and evaporator temperature scope in described control module;
When to be measured chamber starts refrigeration while reaching limiting time, to be measured indoor temperature starts the drop-out value of refrigeration temperature constantly lower than compartment temperature limit value to be measured than to be measured chamber, and evaporator temperature is in the evaporator temperature scope time, and control module transmits magnetic valve switch failure signal to display unit;
When to be measured chamber starts refrigeration while reaching limiting time, to be measured indoor temperature starts the drop-out value of refrigeration temperature constantly lower than compartment temperature limit value to be measured than to be measured chamber, and evaporator temperature is during higher than evaporator temperature scope maximum, and control module transmits the press fault-signal to display unit.
Or the described refrigerator multi-chamber's wind cooling refrigerator that is single evaporator, described detection system also comprises the second temperature sensor that is arranged on the evaporator inlet place; Described the second temperature sensor detects evaporator temperature, and described control module gathers the evaporator temperature that described the second temperature sensor detects;
When to be measured chamber starts refrigeration while reaching limiting time, to be measured indoor temperature starts the drop-out value of refrigeration temperature constantly lower than compartment temperature limit value to be measured than to be measured chamber, and evaporator temperature is during lower than the evaporator temperature stated range minimum, and control module transmits fan to display unit and do not turn fault-signal.
When to be measured chamber starts refrigeration while reaching limiting time, to be measured indoor temperature starts the drop-out value of refrigeration temperature constantly lower than compartment temperature limit value to be measured than to be measured chamber, and evaporator temperature is in the evaporator temperature scope time, and control module transmits air door to display unit can't open fault-signal;
When to be measured chamber starts refrigeration while reaching limiting time, to be measured indoor temperature starts the drop-out value of refrigeration temperature constantly lower than compartment temperature limit value to be measured than to be measured chamber, and evaporator temperature is during higher than evaporator temperature scope maximum, and control module transmits the press fault-signal to display unit.
Described limiting time is 1-60min; Described compartment temperature limit value to be measured is 1-10 ℃; Described evaporator temperature scope is [15 ,-35 ℃].
The integrated setting of described control module and refrigerator controller.
Described display unit and the integrated setting of refrigerator display system.
Compared with the prior art, beneficial effect of the present invention is embodied in:
1, refrigerator of the present invention does not freeze the detection system of fault by the first temperature sensor and the second temperature sensor detected temperatures; Then judge according to detected temperature whether refrigerator do not freeze fault and the source of failure occur by control module, if break down, by display unit, show the source of failure, timely reminding user, method is simple, efficiency is high, has effectively avoided finding in time not freeze fault and the problem that causes food spoilage.
2, detection method of the present invention adopts full-automatic record identification, does not need manual detection, and the degree of accuracy is high.
The accompanying drawing explanation
Fig. 1 is the do not freeze structural representation of detection system of fault of refrigerator of the present invention.
The specific embodiment
Embodiment 1
As shown in Figure 1, the do not freeze detection system of fault of the present embodiment single evaporator direct cooling refrigerator, comprise the first temperature sensor, control module and display unit;
The first temperature sensor be arranged on to be measured indoor, for detection of to be measured indoor temperature;
Control module is used for gathering to be measured measured indoor temperature of described the first temperature sensor, and transmits fault-signal to display unit;
Display unit is arranged at the fridge exterior face, for showing fault-signal.
Detection system also comprises the second temperature sensor that is arranged on the evaporator inlet place, and the second temperature sensor detects evaporator temperature, and control module gathers the evaporator temperature that the second temperature sensor detects;
Be provided with compartment temperature limit value to be measured, limiting time and evaporator temperature limit value in control module, when to be measured chamber starts refrigeration while reaching limiting time, to be measured indoor temperature starts the drop-out value of refrigeration temperature constantly lower than compartment temperature limit value to be measured than to be measured chamber, and evaporator temperature is during higher than the evaporator temperature limit value, judge that fault appears not freezing in to be measured chamber of refrigerator, and the source of failure is the press fault, control module transmits the press fault-signal to display unit.
In concrete enforcement, the integrated setting of control module and refrigerator controller, display unit and the integrated setting of refrigerator display system.
Utilize the do not freeze detection method of the fault of or not of detection system of fault of the single evaporator direct cooling refrigerator of the present embodiment, carry out as follows:
A, to be measured chamber, start the refrigeration the moment, control module gathers the compartment temperature T10 to be measured that the first temperature sensor records;
B, in limiting time, the compartment temperature T1i to be measured that control module Real-time Collection the first temperature sensor records and the measured evaporator temperature T2i of the second temperature sensor;
Control module calculates compartment temperature drop-out value Ti=T10-T1i to be measured in real time;
Be provided with temperature limit value T1 and evaporator temperature limit value T2 in control module;
When to be measured chamber starts refrigeration while reaching limiting time, compartment temperature drop-out value Ti to be measured is lower than temperature limit value T1, and evaporator temperature T2i is during higher than T2, judge that fault appears not freezing in to be measured chamber of refrigerator, and the source of failure is the press fault, control module transmits the press fault-signal to display unit;
C, display unit show the press fault-signal.
In concrete enforcement, limiting time, compartment temperature limit value to be measured and evaporator temperature limit value can specifically arrange according to the refrigeration of refrigerator.As: limiting time can be set to 30min; Described compartment temperature limit value to be measured is 5 ℃; The evaporator temperature limit value is-20 ℃.
Embodiment 2
As shown in Figure 1, the do not freeze detection system of fault of the two circulations of the present embodiment or many circulations direct cooling refrigerator comprises the first temperature sensor, control module and display unit;
The first temperature sensor be arranged on to be measured indoor, for detection of to be measured indoor temperature;
Control module is used for gathering to be measured measured indoor temperature of the first temperature sensor, and transmits fault-signal to display unit;
Display unit is arranged at the fridge exterior face, for showing fault-signal.
Detection system also comprises second temperature sensor at the evaporator inlet place that is arranged on arbitrary chamber except to be measured chamber; The second temperature sensor detects evaporator temperature, and control module gathers the evaporator temperature that the second temperature sensor detects;
Be provided with compartment temperature limit value to be measured, limiting time and evaporator temperature scope in control module;
When to be measured chamber starts refrigeration while reaching limiting time, to be measured indoor temperature starts the drop-out value of refrigeration temperature constantly lower than compartment temperature limit value to be measured than to be measured chamber, and evaporator temperature is in the evaporator temperature scope time, and control module transmits magnetic valve switch failure signal to display unit;
When to be measured chamber starts refrigeration while reaching limiting time, to be measured indoor temperature starts the drop-out value of refrigeration temperature constantly lower than compartment temperature limit value to be measured than to be measured chamber, and evaporator temperature is during higher than evaporator temperature scope maximum, and control module transmits the press fault-signal to display unit.
In concrete enforcement, the integrated setting of control module and refrigerator controller, display unit and the integrated setting of refrigerator display system.
In concrete enforcement, limiting time, compartment temperature limit value to be measured and evaporator temperature scope can specifically arrange according to the refrigeration of refrigerator.As: limiting time can be set to 30min; Compartment temperature limit value to be measured is set to 5 ℃; The evaporator temperature scope is set to [15 ,-35 ℃].
Embodiment 3
As shown in Figure 1, the do not freeze detection system of fault of multi-chamber's wind cooling refrigerator of the present embodiment single evaporator comprises the first temperature sensor, control module and display unit;
The first temperature sensor be arranged on to be measured indoor, for detection of to be measured indoor temperature;
Control module is used for gathering to be measured measured indoor temperature of the first temperature sensor, and transmits fault-signal to display unit;
Display unit is arranged at the fridge exterior face, for showing fault-signal.
Described detection system also comprises the second temperature sensor that is arranged on the evaporator inlet place; Described the second temperature sensor detects evaporator temperature, and described control module gathers the evaporator temperature that described the second temperature sensor detects;
When to be measured chamber starts refrigeration while reaching limiting time, to be measured indoor temperature starts the drop-out value of refrigeration temperature constantly lower than compartment temperature limit value to be measured than to be measured chamber, and evaporator temperature is during lower than the evaporator temperature stated range minimum, and control module transmits fan to display unit and do not turn fault-signal.
When to be measured chamber starts refrigeration while reaching limiting time, to be measured indoor temperature starts the drop-out value of refrigeration temperature constantly lower than compartment temperature limit value to be measured than to be measured chamber, and evaporator temperature is in the evaporator temperature scope time, and control module transmits air door to display unit can't open fault-signal;
When to be measured chamber starts refrigeration while reaching limiting time, to be measured indoor temperature starts the drop-out value of refrigeration temperature constantly lower than compartment temperature limit value to be measured than to be measured chamber, and evaporator temperature is during higher than evaporator temperature scope maximum, and control module transmits the press fault-signal to display unit.
In concrete enforcement, the integrated setting of control module and refrigerator controller, display unit and the integrated setting of refrigerator display system.
In concrete enforcement, limiting time, compartment temperature limit value to be measured and evaporator temperature scope can specifically arrange according to the refrigeration of refrigerator.As: limiting time can be set to 30min; Compartment temperature limit value to be measured is set to 5 ℃; The evaporator temperature scope is set to [15 ,-35 ℃].

Claims (8)

1. the refrigerator detection system of fault of not freezing, it is characterized in that: described detection system comprises the first temperature sensor, control module and display unit;
Described the first temperature sensor be arranged on to be measured indoor, for detection of to be measured indoor temperature;
Described control module is used for gathering to be measured measured indoor temperature of described the first temperature sensor, and transmits fault-signal to described display unit;
Described display unit is arranged at the fridge exterior face, for showing fault-signal.
2. the refrigerator according to claim 1 detection system of fault of not freezing, it is characterized in that: described refrigerator is the single evaporator direct cooling refrigerator, described detection system also comprises the second temperature sensor that is arranged on the evaporator inlet place, described the second temperature sensor detects evaporator temperature, and described control module gathers the evaporator temperature that described the second temperature sensor detects;
Be provided with compartment temperature limit value to be measured, limiting time and evaporator temperature limit value in described control module, when to be measured chamber starts refrigeration while reaching limiting time, to be measured indoor temperature starts the drop-out value of refrigeration temperature constantly lower than compartment temperature limit value to be measured than to be measured chamber, and evaporator temperature is during higher than the evaporator temperature limit value, and control module transmits the press fault-signal to display unit.
3. the refrigerator according to claim 2 detection system of fault of not freezing, it is characterized in that: described limiting time is 1-60min; Described compartment temperature limit value to be measured is 1-10 ℃; The evaporator temperature limit value is-15-35 ℃.
4. the refrigerator according to claim 1 detection system of fault of not freezing, it is characterized in that: described refrigerator is two circulation direct cooling refrigerators or many circulations direct cooling refrigerator, and described detection system also comprises second temperature sensor at the evaporator inlet place that is arranged on arbitrary chamber except to be measured chamber; Described the second temperature sensor detects evaporator temperature, and described control module gathers the evaporator temperature that described the second temperature sensor detects;
Be provided with compartment temperature limit value to be measured, limiting time and evaporator temperature scope in described control module;
When to be measured chamber starts refrigeration while reaching limiting time, to be measured indoor temperature starts the drop-out value of refrigeration temperature constantly lower than compartment temperature limit value to be measured than to be measured chamber, and evaporator temperature is in the evaporator temperature scope time, and control module transmits magnetic valve switch failure signal to display unit;
When to be measured chamber starts refrigeration while reaching limiting time, to be measured indoor temperature starts the drop-out value of refrigeration temperature constantly lower than compartment temperature limit value to be measured than to be measured chamber, and evaporator temperature is during higher than evaporator temperature scope maximum, and control module transmits the press fault-signal to display unit.
5. the refrigerator according to claim 1 detection system of fault of not freezing is characterized in that: multi-chamber's wind cooling refrigerator that described refrigerator is single evaporator, and described detection system also comprises the second temperature sensor that is arranged on the evaporator inlet place; Described the second temperature sensor detects evaporator temperature, and described control module gathers the evaporator temperature that described the second temperature sensor detects;
When to be measured chamber starts refrigeration while reaching limiting time, to be measured indoor temperature starts the drop-out value of refrigeration temperature constantly lower than compartment temperature limit value to be measured than to be measured chamber, and evaporator temperature is during lower than the evaporator temperature stated range minimum, and control module transmits fan to display unit and do not turn fault-signal;
When to be measured chamber starts refrigeration while reaching limiting time, to be measured indoor temperature starts the drop-out value of refrigeration temperature constantly lower than compartment temperature limit value to be measured than to be measured chamber, and evaporator temperature is in the evaporator temperature scope time, and control module transmits air door to display unit can't open fault-signal;
When to be measured chamber starts refrigeration while reaching limiting time, to be measured indoor temperature starts the drop-out value of refrigeration temperature constantly lower than compartment temperature limit value to be measured than to be measured chamber, and evaporator temperature is during higher than evaporator temperature scope maximum, and control module transmits the press fault-signal to display unit.
6. according to the do not freeze detection system of fault of the described refrigerator of claim 4 or 5, it is characterized in that: described limiting time is 1-60min; Described compartment temperature limit value to be measured is 1-10 ℃; Described evaporator temperature scope is [15 ,-35 ℃].
7. according to the do not freeze detection system of fault of claim 2 or 4 or 5 described refrigerators, it is characterized in that: the integrated setting of described control module and refrigerator controller.
8. according to the do not freeze detection system of fault of claim 2 or 4 or 5 described refrigerators, it is characterized in that: described display unit and the integrated setting of refrigerator display system.
CN201310436622.4A 2013-09-24 2013-09-24 A kind of refrigerator does not freeze the checkout gear of fault Active CN103471343B (en)

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CN201310436622.4A CN103471343B (en) 2013-09-24 2013-09-24 A kind of refrigerator does not freeze the checkout gear of fault
CN201510600728.2A CN105157340B (en) 2013-09-24 2013-09-24 Device for detecting refrigeration faults of refrigerator
CN201510600730.XA CN105157341B (en) 2013-09-24 2013-09-24 Device for detecting refrigeration faults of refrigerator

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CN103575058A (en) * 2013-11-15 2014-02-12 合肥美菱股份有限公司 Fault detecting system and method for refrigerator fan system
CN104019617A (en) * 2014-05-22 2014-09-03 合肥美的电冰箱有限公司 Refrigerator and voice prompt method for refrigerator
CN105066577A (en) * 2015-08-21 2015-11-18 合肥华凌股份有限公司 Fault detection method, controller and refrigerator
CN105423693A (en) * 2015-12-03 2016-03-23 四川长虹电器股份有限公司 Method for detecting fluorine shortage of refrigerator and refrigerator
CN107300287A (en) * 2017-07-31 2017-10-27 绵阳美菱软件技术有限公司 A kind of refrigerator detection method and device
CN108302863A (en) * 2018-01-23 2018-07-20 海信(山东)冰箱有限公司 A kind of multi-cycle refrigeration system and its solenoid valve fault diagnostic method
CN108302864A (en) * 2018-01-23 2018-07-20 海信(山东)冰箱有限公司 A kind of multi-cycle refrigeration system and its method for diagnosing faults
CN108458523A (en) * 2018-03-23 2018-08-28 辽宁科技学院 A kind of method for diagnosing faults of refrigerator double round robin cooling system
CN111174507A (en) * 2020-03-13 2020-05-19 海信容声(广东)冷柜有限公司 Refrigerator and control method thereof
CN114248995A (en) * 2020-09-22 2022-03-29 佳能医疗系统株式会社 Biochemical analyzer and reagent storage

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CN111189297B (en) * 2020-01-19 2022-03-11 合肥美的电冰箱有限公司 Refrigerator fault detection method and device, storage medium, control panel and refrigerator

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Publication number Priority date Publication date Assignee Title
CN103575058A (en) * 2013-11-15 2014-02-12 合肥美菱股份有限公司 Fault detecting system and method for refrigerator fan system
CN104019617A (en) * 2014-05-22 2014-09-03 合肥美的电冰箱有限公司 Refrigerator and voice prompt method for refrigerator
CN105066577A (en) * 2015-08-21 2015-11-18 合肥华凌股份有限公司 Fault detection method, controller and refrigerator
CN105423693A (en) * 2015-12-03 2016-03-23 四川长虹电器股份有限公司 Method for detecting fluorine shortage of refrigerator and refrigerator
CN107300287A (en) * 2017-07-31 2017-10-27 绵阳美菱软件技术有限公司 A kind of refrigerator detection method and device
CN108302863A (en) * 2018-01-23 2018-07-20 海信(山东)冰箱有限公司 A kind of multi-cycle refrigeration system and its solenoid valve fault diagnostic method
CN108302864A (en) * 2018-01-23 2018-07-20 海信(山东)冰箱有限公司 A kind of multi-cycle refrigeration system and its method for diagnosing faults
CN108458523A (en) * 2018-03-23 2018-08-28 辽宁科技学院 A kind of method for diagnosing faults of refrigerator double round robin cooling system
CN111174507A (en) * 2020-03-13 2020-05-19 海信容声(广东)冷柜有限公司 Refrigerator and control method thereof
CN114248995A (en) * 2020-09-22 2022-03-29 佳能医疗系统株式会社 Biochemical analyzer and reagent storage

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CN105157340B (en) 2017-05-17
CN105157341B (en) 2017-05-17

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