CN105157340B - Device for detecting refrigeration faults of refrigerator - Google Patents
Device for detecting refrigeration faults of refrigerator Download PDFInfo
- Publication number
- CN105157340B CN105157340B CN201510600728.2A CN201510600728A CN105157340B CN 105157340 B CN105157340 B CN 105157340B CN 201510600728 A CN201510600728 A CN 201510600728A CN 105157340 B CN105157340 B CN 105157340B
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- Prior art keywords
- temperature
- measured
- compartment
- refrigerator
- control unit
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- 238000005057 refrigeration Methods 0.000 title claims abstract description 34
- 238000001514 detection method Methods 0.000 claims description 31
- 238000001816 cooling Methods 0.000 claims description 9
- 238000007710 freezing Methods 0.000 claims description 6
- 230000008014 freezing Effects 0.000 claims description 6
- 239000006200 vaporizer Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 7
- 230000008020 evaporation Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
Abstract
The invention discloses a device for detecting refrigeration faults of a refrigerator. The device is characterized in that the device comprises a first temperature sensor, a control unit and a display unit; the first temperature sensor is arranged in a compartment to be detected and is used for detecting the temperature in the compartment to be detected; the control unit is used for acquiring the temperature in the compartment to be detected, which is detected by the first temperature sensor, and transmitting fault signals to the display unit; and the display unit is arranged on the outer surface of the refrigerator and is used for displaying the fault signals. The device has the beneficial effects that the device can judge the refrigeration faults of each compartment of the refrigerator and timely remind users, is simple in method, has high efficiency and effectively avoids the problem of food spoilage caused because the refrigeration faults can not be timely discovered; and meanwhile, maintenance personnel can quickly judge the fault causes according to the fault information prompts.
Description
The application be Application No. " 2013104366224 ", the applying date be " 2013.9.24 ", a kind of entitled " ice
Case does not freeze the detection means of failure " application for a patent for invention divisional application.
Technical field
The detection means of failure the present invention relates to refrigerator does not freeze.
Background technology
With the development in refrigerator market, at present big volume multi-chamber electric control refrigerator is more and more, each compartment one of such refrigerator
As can independent temperature control, refrigeration control is the switching by air door or electromagnetic valve realizing.When refrigerator air door breaks down
Do not open or when solenoid valve failure does not switch, may result in some compartments and do not freeze；If compressor fault or cold-producing medium are leaked
Then occur that each compartment of refrigerator does not freeze.Above-mentioned refrigerator in use, once the whole machine of refrigerator occurs do not freeze or individually
Compartment does not freeze after failure, and user can not have found immediately, cause food spoilage.
The content of the invention
To solve the weak point existing for above-mentioned prior art, the present invention provides the detection that a kind of refrigerator does not freeze failure
Device and its detection method, to can accurately detect that not freezing for refrigerator and notifies in time user at failure, while for maintenance
Personnel quickly judge that failure cause provides help.
The present invention solves technical problem, adopts the following technical scheme that：
Refrigerator of the present invention does not freeze the detection means of failure, and its feature is：The detection means is passed including the first temperature
Sensor, control unit and display unit；
First temperature sensor is arranged on to be measured interior, for detecting to be measured indoor temperature；
Described control unit is used to gathering to be measured indoor temperature measured by first temperature sensor, and to described
Display unit transmits fault-signal；
The display unit is arranged at fridge exterior face, for showing fault-signal.
Refrigerator of the present invention does not freeze the detection means of failure, and its feature lies also in：The refrigerator is the direct-cooled ice of single evaporator
Case, the detection means also includes being arranged on the second temperature sensor at evaporator inlet, the second temperature sensor inspection
Evaporator temperature is surveyed, described control unit gathers the evaporator temperature that the second temperature sensor is detected；
Compartment temperature limit value to be measured, limiting time and evaporator temperature limit value are provided with described control unit, when
When compartment to be measured starts refrigeration and reaches limiting time, to be measured indoor temperature starts to freeze the temperature at moment compared to compartment to be measured
Drop-out value be less than compartment temperature limit value to be measured, and evaporator temperature be higher than evaporator temperature limit value when, control unit to
Display unit transmits press fault-signal.
The limiting time is 1-60min；The compartment temperature limit value to be measured is 1-10 DEG C；Evaporator temperature limit value
For -15-35 DEG C.
Or the refrigerator is Two-way Cycle direct cooling refrigerator or multi cycle direct cooling refrigerator, the detection means also includes being arranged on removing
Second temperature sensor at the evaporator inlet of the arbitrary compartment outside compartment to be measured；The second temperature sensor detection is steamed
Device temperature is sent out, described control unit gathers the evaporator temperature that the second temperature sensor is detected；
Compartment temperature limit value to be measured, limiting time and evaporator temperature scope are provided with described control unit；
When compartment to be measured starts refrigeration reaches limiting time, to be measured indoor temperature starts refrigeration compared to compartment to be measured
The drop-out value of the temperature at moment be less than compartment temperature limit value to be measured, and evaporator temperature in the range of evaporator temperature when, control
Unit processed to display unit transmits electromagnetic valve switch failure signal；
When compartment to be measured starts refrigeration reaches limiting time, to be measured indoor temperature starts refrigeration compared to compartment to be measured
The drop-out value of the temperature at moment is less than compartment temperature limit value to be measured, and evaporator temperature is higher than evaporator temperature scope maximum
When, control unit to display unit transmits press fault-signal.
Or the refrigerator is multi-chamber's wind cooling refrigerator of single evaporator, the detection means also includes that being arranged on vaporizer enters
Second temperature sensor at mouthful；The second temperature sensor detects evaporator temperature, described control unit collection described the
The evaporator temperature that two temperature sensors are detected；
When compartment to be measured starts refrigeration reaches limiting time, to be measured indoor temperature starts refrigeration compared to compartment to be measured
The drop-out value of the temperature at moment is less than compartment temperature limit value to be measured, and evaporator temperature is less than evaporator temperature stated range minimum
When, control unit to display unit transmission fan does not turn fault-signal.
When compartment to be measured starts refrigeration reaches limiting time, to be measured indoor temperature starts refrigeration compared to compartment to be measured
The drop-out value of the temperature at moment be less than compartment temperature limit value to be measured, and evaporator temperature in the range of evaporator temperature when, control
Unit processed to display unit transmission air door cannot open fault-signal；
When compartment to be measured starts refrigeration reaches limiting time, to be measured indoor temperature starts refrigeration compared to compartment to be measured
The drop-out value of the temperature at moment is less than compartment temperature limit value to be measured, and evaporator temperature is higher than evaporator temperature scope maximum
When, control unit to display unit transmits press fault-signal.
The limiting time is 1-60min；The compartment temperature limit value to be measured is 1-10 DEG C；The evaporator temperature model
Enclose for [- 15, -35 DEG C].
Described control unit is integrally disposed with refrigerator controller.
The display unit is integrally disposed with refrigerator display system.
Compared with the prior art, beneficial effects of the present invention are embodied in：
1st, the do not freeze detection means of failure of refrigerator of the present invention is examined by the first temperature sensor and second temperature sensor
Testing temperature；Then by control unit according to detected temperature judge refrigerator whether there is not freezing failure and failure come
Source, if breaking down, by display unit the source of failure is shown, user is reminded in time, and method is simple, efficiency high, effectively keeps away
Exempt to find in time not freeze failure and cause the problem of food spoilage.
2nd, detection method is using full-automatic record identification, it is not necessary to which manual detection, accuracy is high.
Description of the drawings
Fig. 1 be refrigerator of the present invention do not freeze failure detection means structural representation.
Specific embodiment
Embodiment 1
The detection means of failure as shown in figure 1, the present embodiment single evaporator direct cooling refrigerator does not freeze, including the first temperature biography
Sensor, control unit and display unit；
First temperature sensor is arranged on to be measured interior, for detecting to be measured indoor temperature；
Control unit is used for be measured indoor temperature measured by the first temperature sensor of collection, and to display unit transmission
Fault-signal；
Display unit is arranged at fridge exterior face, for showing fault-signal.
Detection means also includes being arranged on the second temperature sensor at evaporator inlet, and second temperature sensor detection is steamed
Send out device temperature, the evaporator temperature that control unit collection second temperature sensor is detected；
Compartment temperature limit value to be measured, limiting time and evaporator temperature limit value are provided with control unit, when to be measured
When compartment starts refrigeration and reaches limiting time, to be measured indoor temperature start to freeze compared to compartment to be measured the moment temperature under
When depreciation is less than compartment temperature limit value to be measured, and evaporator temperature higher than evaporator temperature limit value, to be measured of refrigerator is judged
There is failure of not freezing in room, and the source of failure is press failure, and control unit to display unit transmits press fault-signal.
In being embodied as, control unit is integrally disposed with refrigerator controller, and display unit is integrated with refrigerator display system to be set
Put.
The detection of the failure of or not of the detection means of failure of not freezed using the single evaporator direct cooling refrigerator of the present embodiment
Method, is carried out as follows：
A, when compartment to be measured starts refrigeration, control unit gathers the room temperature to be measured that measures of the first temperature sensor
Degree T10；
B, in limiting time, compartment temperature T1i to be measured that the temperature sensor of control unit Real-time Collection first is measured and
Evaporator temperature T2i measured by second temperature sensor；
Control unit calculates in real time compartment temperature drop-out value Ti=T10-T1i to be measured；
Limit temperature value T1 and evaporator temperature limit value T2 are provided with control unit；
When compartment to be measured starts refrigeration reaches limiting time, compartment temperature drop-out value Ti to be measured is less than limit temperature value
T1, and evaporator temperature T2i is when being higher than T2, judges that failure of not freezing occurs in refrigerator compartment to be measured, and the source of failure be press therefore
Barrier, control unit to display unit transmits press fault-signal；
C, display unit show press fault-signal.
In being embodied as, limiting time, compartment temperature limit value to be measured and evaporator temperature limit value can be according to refrigerators
Refrigeration specifically arrange.Such as：Limiting time could be arranged to 30min；The compartment temperature limit value to be measured is 5 DEG C；Steam
It is -20 DEG C to send out device limit temperature value.
Embodiment 2
As shown in figure 1, the present embodiment Two-way Cycle or multi cycle direct cooling refrigerator do not freeze, the detection means of failure includes first
Temperature sensor, control unit and display unit；
First temperature sensor is arranged on to be measured interior, for detecting to be measured indoor temperature；
Control unit is used for be measured indoor temperature measured by the first temperature sensor of collection, and to display unit transmission
Fault-signal；
Display unit is arranged at fridge exterior face, for showing fault-signal.
Detection means also includes being arranged on the second temperature at the evaporator inlet of the arbitrary compartment in addition to compartment to be measured
Sensor；Second temperature sensor detects evaporator temperature, the vaporizer that control unit collection second temperature sensor is detected
Temperature；
Compartment temperature limit value to be measured, limiting time and evaporator temperature scope are provided with control unit；
When compartment to be measured starts refrigeration reaches limiting time, to be measured indoor temperature starts refrigeration compared to compartment to be measured
The drop-out value of the temperature at moment be less than compartment temperature limit value to be measured, and evaporator temperature in the range of evaporator temperature when, control
Unit processed to display unit transmits electromagnetic valve switch failure signal；
When compartment to be measured starts refrigeration reaches limiting time, to be measured indoor temperature starts refrigeration compared to compartment to be measured
The drop-out value of the temperature at moment is less than compartment temperature limit value to be measured, and evaporator temperature is higher than evaporator temperature scope maximum
When, control unit to display unit transmits press fault-signal.
In being embodied as, control unit is integrally disposed with refrigerator controller, and display unit is integrated with refrigerator display system to be set
Put.
In being embodied as, limiting time, compartment temperature limit value to be measured and evaporator temperature scope can be according to refrigerators
Refrigeration is specifically arranged.Such as：Limiting time could be arranged to 30min；Compartment temperature limit value to be measured is set to 5 DEG C；Evaporation
Device temperature range is set to [- 15, -35 DEG C].
Embodiment 3
As shown in figure 1, multi-chamber's wind cooling refrigerator of the present embodiment single evaporator does not freeze, the detection means of failure includes the
One temperature sensor, control unit and display unit；
First temperature sensor is arranged on to be measured interior, for detecting to be measured indoor temperature；
Control unit is used for be measured indoor temperature measured by the first temperature sensor of collection, and to display unit transmission
Fault-signal；
Display unit is arranged at fridge exterior face, for showing fault-signal.
The detection means also includes being arranged on the second temperature sensor at evaporator inlet；The second temperature sensing
Device detects evaporator temperature, and described control unit gathers the evaporator temperature that the second temperature sensor is detected；
When compartment to be measured starts refrigeration reaches limiting time, to be measured indoor temperature starts refrigeration compared to compartment to be measured
The drop-out value of the temperature at moment is less than compartment temperature limit value to be measured, and evaporator temperature is less than evaporator temperature stated range minimum
When, control unit to display unit transmission fan does not turn fault-signal.
When compartment to be measured starts refrigeration reaches limiting time, to be measured indoor temperature starts refrigeration compared to compartment to be measured
The drop-out value of the temperature at moment be less than compartment temperature limit value to be measured, and evaporator temperature in the range of evaporator temperature when, control
Unit processed to display unit transmission air door cannot open fault-signal；
When compartment to be measured starts refrigeration reaches limiting time, to be measured indoor temperature starts refrigeration compared to compartment to be measured
The drop-out value of the temperature at moment is less than compartment temperature limit value to be measured, and evaporator temperature is higher than evaporator temperature scope maximum
When, control unit to display unit transmits press fault-signal.
In being embodied as, control unit is integrally disposed with refrigerator controller, and display unit is integrated with refrigerator display system to be set
Put.
In being embodied as, limiting time, compartment temperature limit value to be measured and evaporator temperature scope can be according to refrigerators
Refrigeration is specifically arranged.Such as：Limiting time could be arranged to 30min；Compartment temperature limit value to be measured is set to 5 DEG C；Evaporation
Device temperature range is set to [- 15, -35 DEG C].
Claims (4)
1. a kind of refrigerator does not freeze the detection means of failure, it is characterised in that：The detection means include the first temperature sensor,
Control unit and display unit；
First temperature sensor is arranged on to be measured interior, for detecting to be measured indoor temperature；
Described control unit is used to gather to be measured indoor temperature measured by first temperature sensor, and to the display
Unit transmits fault-signal；
The display unit is arranged at fridge exterior face, for showing fault-signal；
The refrigerator is Two-way Cycle direct cooling refrigerator or multi cycle direct cooling refrigerator, and the detection means also includes being arranged on except to be measured
Second temperature sensor at the evaporator inlet of the arbitrary compartment outside room；The second temperature sensor detects vaporizer temperature
Degree, described control unit gathers the evaporator temperature that the second temperature sensor is detected；
Compartment temperature limit value to be measured, limiting time and evaporator temperature scope are provided with described control unit；
When compartment to be measured starts refrigeration reaches limiting time, to be measured indoor temperature starts the moment of freezing compared to compartment to be measured
The drop-out value of temperature be less than compartment temperature limit value to be measured, and evaporator temperature in the range of evaporator temperature when, control is single
Unit to display unit transmits electromagnetic valve switch failure signal；
When compartment to be measured starts refrigeration reaches limiting time, to be measured indoor temperature starts the moment of freezing compared to compartment to be measured
Temperature drop-out value be less than compartment temperature limit value to be measured, and evaporator temperature be higher than evaporator temperature scope maximum when,
Control unit to display unit transmits press fault-signal.
2. refrigerator according to claim 1 does not freeze the detection means of failure, it is characterised in that：The limiting time is 1-
60min；The compartment temperature limit value to be measured is 1-10 DEG C；The evaporator temperature scope is [- 15, -35 DEG C].
3. refrigerator according to claim 1 does not freeze the detection means of failure, it is characterised in that：Described control unit and ice
Case controller is integrally disposed.
4. refrigerator according to claim 1 does not freeze the detection means of failure, it is characterised in that：The display unit and ice
Case display system is integrally disposed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510600728.2A CN105157340B (en) | 2013-09-24 | 2013-09-24 | Device for detecting refrigeration faults of refrigerator |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510600728.2A CN105157340B (en) | 2013-09-24 | 2013-09-24 | Device for detecting refrigeration faults of refrigerator |
| CN201310436622.4A CN103471343B (en) | 2013-09-24 | 2013-09-24 | A kind of refrigerator does not freeze the checkout gear of fault |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310436622.4A Division CN103471343B (en) | 2013-09-24 | 2013-09-24 | A kind of refrigerator does not freeze the checkout gear of fault |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105157340A CN105157340A (en) | 2015-12-16 |
| CN105157340B true CN105157340B (en) | 2017-05-17 |
Family
ID=49796298
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310436622.4A Active CN103471343B (en) | 2013-09-24 | 2013-09-24 | A kind of refrigerator does not freeze the checkout gear of fault |
| CN201510600728.2A Active CN105157340B (en) | 2013-09-24 | 2013-09-24 | Device for detecting refrigeration faults of refrigerator |
| CN201510600730.XA Active CN105157341B (en) | 2013-09-24 | 2013-09-24 | Device for detecting refrigeration faults of refrigerator |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310436622.4A Active CN103471343B (en) | 2013-09-24 | 2013-09-24 | A kind of refrigerator does not freeze the checkout gear of fault |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510600730.XA Active CN105157341B (en) | 2013-09-24 | 2013-09-24 | Device for detecting refrigeration faults of refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN103471343B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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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 |
| CN107576145A (en) * | 2017-09-14 | 2018-01-12 | 合肥华凌股份有限公司 | Air-out control method, refrigerator and computer-readable recording medium |
| 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 |
| 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 |
| 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 |
| 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 |
| 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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Also Published As
| Publication number | Publication date |
|---|---|
| CN103471343B (en) | 2015-10-28 |
| CN105157340A (en) | 2015-12-16 |
| CN105157341B (en) | 2017-05-17 |
| CN103471343A (en) | 2013-12-25 |
| CN105157341A (en) | 2015-12-16 |
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