CN105157341A - Device for detecting refrigeration faults of refrigerator - Google Patents
Device for detecting refrigeration faults of refrigerator Download PDFInfo
- Publication number
- CN105157341A CN105157341A CN201510600730.XA CN201510600730A CN105157341A CN 105157341 A CN105157341 A CN 105157341A CN 201510600730 A CN201510600730 A CN 201510600730A CN 105157341 A CN105157341 A CN 105157341A
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- Prior art keywords
- temperature
- measured
- fault
- refrigerator
- evaporator
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- 238000005057 refrigeration Methods 0.000 title claims abstract description 25
- 238000001816 cooling Methods 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 238000007710 freezing Methods 0.000 description 3
- 230000008014 freezing Effects 0.000 description 3
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 divisional application that the application is application number is " 2013104366224 ", the applying date is " 2013.9.24 ", denomination of invention is the application for a patent for invention of the checkout gear of fault " a kind of refrigerator do not freeze ".
Technical field
The present invention relates to refrigerator not freeze the checkout gear of fault.
Background technology
Along with the development in refrigerator market, at present large volume multi-chamber electric control refrigerator gets more and more, and this type of refrigerator each room generally can independent temperature control, and refrigeration control is realized by the switching of air door or magnetic valve.When refrigerator air door break down do not open or solenoid valve failure does not switch time, some room will be caused not freeze; If compressor fault or refrigrant leakage, there will be refrigerator each room and all do not freeze.Above-mentioned refrigerator in use, once occur refrigerator complete machine do not freeze or indivedual between room do not freeze after fault, user can not find immediately, causes food spoilage.
Summary of the invention
For solving the weak point existing for above-mentioned prior art, the invention provides a kind of refrigerator not freeze the checkout gear of fault and detection method thereof, to accurately detecting that the fault of not freezing of refrigerator also notifies user in time, judge that failure cause is offered help fast for maintenance personal simultaneously.
Technical solution problem of the present invention, adopts following technical scheme:
Refrigerator of the present invention does not freeze the checkout gear of fault, and its feature is: described checkout gear comprises the first temperature sensor, control unit and display unit;
Described first temperature sensor is arranged on to be measured indoor, for detecting to be measured indoor temperature;
Described control unit for gathering to be measured indoor temperature measured by described first temperature sensor, and transmits fault-signal to described display unit;
Described display unit is arranged at fridge exterior face, for showing fault-signal.
Refrigerator of the present invention does not freeze the checkout gear of fault, its feature is also: described refrigerator is single evaporator direct cooling refrigerator, described checkout gear also comprises the second temperature sensor being arranged on evaporator inlet place, described second temperature sensor detects evaporator temperature, and described control unit gathers the evaporator temperature that described second temperature sensor detects;
Compartment temperature limit value to be measured, limiting time and evaporator temperature limit value is provided with in described control unit, when to be measured room start refrigeration reach limiting time time, to be measured indoor temperature starts to freeze the drop-out value of temperature in moment lower than compartment temperature limit value to be measured compared to be measured room, and evaporator temperature higher than evaporator temperature limit value time, control unit transmits press fault-signal to display unit.
Described limiting time is 1-60min; Described compartment temperature limit value to be measured is 1-10 DEG C; Evaporator temperature limit value is-15-35 DEG C.
Or described refrigerator is Two-way Cycle direct cooling refrigerator or multi cycle direct cooling refrigerator, described checkout gear also comprises second temperature sensor at the evaporator inlet place of arbitrary the room be arranged on except to be measured room; Described second temperature sensor detects evaporator temperature, and described control unit gathers the evaporator temperature that described second temperature sensor detects;
Compartment temperature limit value to be measured, limiting time and evaporator temperature scope is provided with in described control unit;
When to be measured room start refrigeration reach limiting time time, to be measured indoor temperature starts to freeze the drop-out value of temperature in moment lower than compartment temperature limit value to be measured compared to be measured room, and evaporator temperature within the scope of evaporator temperature time, control unit transmits magnetic valve switch failure signal to display unit;
When to be measured room start refrigeration reach limiting time time, to be measured indoor temperature starts to freeze the drop-out value of temperature in moment lower than compartment temperature limit value to be measured compared to be measured room, and evaporator temperature higher than evaporator temperature scope maximum time, control unit transmits press fault-signal to display unit.
Or described refrigerator is multi-chamber's wind cooling refrigerator of single evaporator, described checkout gear also comprises the second temperature sensor being arranged on evaporator inlet place; Described second temperature sensor detects evaporator temperature, and described control unit gathers the evaporator temperature that described second temperature sensor detects;
When to be measured room start refrigeration reach limiting time time, to be measured indoor temperature starts to freeze the drop-out value of temperature in moment lower than compartment temperature limit value to be measured compared to be measured room, and evaporator temperature lower than evaporator temperature stated range minimum time, control unit to display unit transmit fan do not turn fault-signal.
When to be measured room start refrigeration reach limiting time time, to be measured indoor temperature starts to freeze the drop-out value of temperature in moment lower than compartment temperature limit value to be measured compared to be measured room, and evaporator temperature within the scope of evaporator temperature time, control unit to display unit transmit air door cannot open fault-signal;
When to be measured room start refrigeration reach limiting time time, to be measured indoor temperature starts to freeze the drop-out value of temperature in moment lower than compartment temperature limit value to be measured compared to be measured room, and evaporator temperature higher than evaporator temperature scope maximum time, control unit transmits press fault-signal to display unit.
Described limiting time is 1-60min; Described compartment temperature limit value to be measured is 1-10 DEG C; Described evaporator temperature scope is [-15 ,-35 DEG C].
Described control unit and the integrated setting of 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 checkout gear of fault by the first temperature sensor and the second temperature sensor detected temperatures; Then judge whether refrigerator occurs do not freeze fault and the source of failure by control unit according to detected temperature, if break down, then show the source of failure by display unit, timely reminding user, method is simple, efficiency is high, effectively prevent and can not to freeze fault and cause the problem of food spoilage by Timeliness coverage.
2, detection method adopts and automatically records identification, and do not need manual detection, the degree of accuracy is high.
Accompanying drawing explanation
Fig. 1 is that refrigerator of the present invention does not freeze the structural representation of checkout gear of fault.
Detailed description of the invention
Embodiment 1
As shown in Figure 1, the present embodiment single evaporator direct cooling refrigerator does not freeze the checkout gear of fault, comprises the first temperature sensor, control unit and display unit;
First temperature sensor is arranged on to be measured indoor, for detecting to be measured indoor temperature;
Control unit for gathering to be measured indoor temperature measured by the first temperature sensor, and transmits fault-signal to display unit;
Display unit is arranged at fridge exterior face, for showing fault-signal.
Checkout gear also comprises the second temperature sensor being arranged on evaporator inlet place, and the second temperature sensor detects evaporator temperature, and control unit gathers the evaporator temperature that the second temperature sensor detects;
Compartment temperature limit value to be measured, limiting time and evaporator temperature limit value is provided with in control unit, when to be measured room start refrigeration reach limiting time time, to be measured indoor temperature starts to freeze the drop-out value of temperature in moment lower than compartment temperature limit value to be measured compared to be measured room, and evaporator temperature higher than evaporator temperature limit value time, judge that fault appears not freezing in refrigerator to be measured room, and the source of failure is press fault, control unit transmits press fault-signal to display unit.
In concrete enforcement, control unit and the integrated setting of refrigerator controller, display unit and the integrated setting of refrigerator display system.
Utilize the single evaporator direct cooling refrigerator of the present embodiment not freeze the detection method of fault of or not of checkout gear of fault, carry out as follows:
A, when to be measured room start refrigeration when, control unit 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 unit Real-time Collection first temperature sensor records and the evaporator temperature T2i measured by the second temperature sensor;
Control unit calculates compartment temperature drop-out value Ti=T10-T1i to be measured in real time;
Limit temperature value T1 and evaporator temperature limit value T2 is provided with in control unit;
When to be measured room start refrigeration reach limiting time time, compartment temperature drop-out value Ti to be measured is lower than limit temperature value T1, and evaporator temperature T2i higher than T2 time, judge that fault appears not freezing in refrigerator to be measured room, and the source of failure is press fault, control unit transmits press fault-signal to display unit;
C, display unit display press fault-signal.
In concrete enforcement, limiting time, compartment temperature limit value to be measured and evaporator temperature limit value specifically can be arranged according to the refrigeration of refrigerator.As: limiting time can be set to 30min; Described compartment temperature limit value to be measured is 5 DEG C; Evaporator temperature limit value is-20 DEG C.
Embodiment 2
As shown in Figure 1, the do not freeze checkout gear of fault of the present embodiment Two-way Cycle or multi cycle direct cooling refrigerator comprises the first temperature sensor, control unit and display unit;
First temperature sensor is arranged on to be measured indoor, for detecting to be measured indoor temperature;
Control unit for gathering to be measured indoor temperature measured by the first temperature sensor, and transmits fault-signal to display unit;
Display unit is arranged at fridge exterior face, for showing fault-signal.
Checkout gear also comprises second temperature sensor at the evaporator inlet place of arbitrary the room be arranged on except to be measured room; Second temperature sensor detects evaporator temperature, and control unit gathers the evaporator temperature that the second temperature sensor detects;
Compartment temperature limit value to be measured, limiting time and evaporator temperature scope is provided with in control unit;
When to be measured room start refrigeration reach limiting time time, to be measured indoor temperature starts to freeze the drop-out value of temperature in moment lower than compartment temperature limit value to be measured compared to be measured room, and evaporator temperature within the scope of evaporator temperature time, control unit transmits magnetic valve switch failure signal to display unit;
When to be measured room start refrigeration reach limiting time time, to be measured indoor temperature starts to freeze the drop-out value of temperature in moment lower than compartment temperature limit value to be measured compared to be measured room, and evaporator temperature higher than evaporator temperature scope maximum time, control unit transmits press fault-signal to display unit.
In concrete enforcement, control unit and the integrated setting of 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 specifically can be arranged 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 DEG C; Evaporator temperature scope is set to [-15 ,-35 DEG C].
Embodiment 3
As shown in Figure 1, the do not freeze checkout gear of fault of multi-chamber's wind cooling refrigerator of the present embodiment single evaporator comprises the first temperature sensor, control unit and display unit;
First temperature sensor is arranged on to be measured indoor, for detecting to be measured indoor temperature;
Control unit for gathering to be measured indoor temperature measured by the first temperature sensor, and transmits fault-signal to display unit;
Display unit is arranged at fridge exterior face, for showing fault-signal.
Described checkout gear also comprises the second temperature sensor being arranged on evaporator inlet place; Described second temperature sensor detects evaporator temperature, and described control unit gathers the evaporator temperature that described second temperature sensor detects;
When to be measured room start refrigeration reach limiting time time, to be measured indoor temperature starts to freeze the drop-out value of temperature in moment lower than compartment temperature limit value to be measured compared to be measured room, and evaporator temperature lower than evaporator temperature stated range minimum time, control unit to display unit transmit fan do not turn fault-signal.
When to be measured room start refrigeration reach limiting time time, to be measured indoor temperature starts to freeze the drop-out value of temperature in moment lower than compartment temperature limit value to be measured compared to be measured room, and evaporator temperature within the scope of evaporator temperature time, control unit to display unit transmit air door cannot open fault-signal;
When to be measured room start refrigeration reach limiting time time, to be measured indoor temperature starts to freeze the drop-out value of temperature in moment lower than compartment temperature limit value to be measured compared to be measured room, and evaporator temperature higher than evaporator temperature scope maximum time, control unit transmits press fault-signal to display unit.
In concrete enforcement, control unit and the integrated setting of 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 specifically can be arranged 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 DEG C; Evaporator temperature scope is set to [-15 ,-35 DEG C].
Claims (4)
1. refrigerator does not freeze a checkout gear for fault, it is characterized in that: described checkout gear comprises the first temperature sensor, control unit and display unit;
Described first temperature sensor is arranged on to be measured indoor, for detecting to be measured indoor temperature;
Described control unit for gathering to be measured indoor temperature measured by described first temperature sensor, and transmits fault-signal to described display unit;
Described display unit is arranged at fridge exterior face, for showing fault-signal;
Described refrigerator is multi-chamber's wind cooling refrigerator of single evaporator, and described detection system also comprises the second temperature sensor being arranged on evaporator inlet place; Described second temperature sensor detects evaporator temperature, and described control unit gathers the evaporator temperature that described second temperature sensor detects;
When to be measured room start refrigeration reach limiting time time, to be measured indoor temperature starts to freeze the drop-out value of temperature in moment lower than compartment temperature limit value to be measured compared to be measured room, and evaporator temperature lower than evaporator temperature stated range minimum time, control unit to display unit transmit fan do not turn fault-signal;
When to be measured room start refrigeration reach limiting time time, to be measured indoor temperature starts to freeze the drop-out value of temperature in moment lower than compartment temperature limit value to be measured compared to be measured room, and evaporator temperature within the scope of evaporator temperature time, control unit to display unit transmit air door cannot open fault-signal;
When to be measured room start refrigeration reach limiting time time, to be measured indoor temperature starts to freeze the drop-out value of temperature in moment lower than compartment temperature limit value to be measured compared to be measured room, and evaporator temperature higher than evaporator temperature scope maximum time, control unit transmits press fault-signal to display unit.
2. refrigerator according to claim 1 does not freeze the checkout gear of fault, it is characterized in that: described limiting time is 1-60min; Described compartment temperature limit value to be measured is 1-10 DEG C; Described evaporator temperature scope is [-15 ,-35 DEG C].
3. refrigerator according to claim 1 does not freeze the checkout gear of fault, it is characterized in that: described control unit and the integrated setting of refrigerator controller.
4. refrigerator according to claim 1 does not freeze the checkout gear of fault, it is characterized in that: described display unit and the integrated setting of refrigerator display system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510600730.XA CN105157341B (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 |
|---|---|---|---|
| CN201310436622.4A CN103471343B (en) | 2013-09-24 | 2013-09-24 | A kind of refrigerator does not freeze the checkout gear of fault |
| CN201510600730.XA CN105157341B (en) | 2013-09-24 | 2013-09-24 | Device for detecting refrigeration faults of refrigerator |
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 |
|---|---|
| CN105157341A true CN105157341A (en) | 2015-12-16 |
| CN105157341B CN105157341B (en) | 2017-05-17 |
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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 (2)
| 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 |
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| CN (3) | CN103471343B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
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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 |
| 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 |
| CN105157340B (en) | 2017-05-17 |
| CN103471343A (en) | 2013-12-25 |
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