CN102721566A - Factory detecting method for refrigerator - Google Patents
Factory detecting method for refrigerator Download PDFInfo
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- CN102721566A CN102721566A CN2012102347262A CN201210234726A CN102721566A CN 102721566 A CN102721566 A CN 102721566A CN 2012102347262 A CN2012102347262 A CN 2012102347262A CN 201210234726 A CN201210234726 A CN 201210234726A CN 102721566 A CN102721566 A CN 102721566A
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Abstract
The invention discloses a factory detecting method for a refrigerator, and adopts a factory detecting device for the refrigerator to detect the refrigerator, wherein the factory detecting device for the refrigerator includes a main control panel (1), an ambient temperature sensor (2) used for detecting the ambient temperature, and a refrigerator built-in sensor used for detecting the internal temperature of the refrigerator; the ambient temperature sensor (2) and the refrigerator internal sensor are connected with the main control panel (1) respectively; and the factory detecting device for the refrigerator is characterized in that the factory detecting method for the refrigerator comprises the steps as follows: A, if the temperature detected by the refrigerator internal sensor is higher than the preset temperature, the refrigerator can enter factory detecting procedure; B, refrigeration function is started after the refrigerator enters the factory detecting procedure; and C, if the reduction range of the refrigerator temperature accords with refrigeration eligibility criteria within the detecting time and according to the ambient temperature, the refrigeration function of the refrigerator is qualified; or a refrigeration warning appears if the refrigeration function of the refrigerator is unqualified. The factory detecting method provided by the invention can improve the factory detecting efficiency for the refrigerator.
Description
The present invention be that April 21, application number in 2010 are 201010157992.0 original application day, name is called the dividing an application of invention of " a kind of refrigerator, refrigerator dispatch from the factory pick-up unit and method ".
Technical field
The present invention relates to field of household appliances, particularly a kind of refrigerator detection method of dispatching from the factory.
Background technology
Refrigeration is the Core Feature of refrigerator, and detecting to dispatching from the factory of refrigeration performance is refrigerator product requisite one link of before sales that come into the market.Compare with conventional refrigerator, many warm areas refrigerator especially has the refrigerator of defrosting device, and its refrigeration system, structure and electrical apparatus control system are complicated; Parts are numerous; After assembling is accomplished, to each parts can operate as normal and the refrigeration performance of refrigerator make detection, having relatively high expectations not only to checkout equipment and testing staff; And online detection time is longer, and is bigger to the production efficiency influence.
The detection method of dispatching from the factory of existing many warm areas refrigerator refrigeration performance mainly contains following several kinds of modes:
1, according to the certain detection order and the time interval, artificially operate the button on the panel of refrigerator successively, data and the operation curve gathered through refrigerator external detection device detect and judge refrigeration performance.
In the method, all test processs and result judge fully and carry out based on manual work that labour intensity is big, and detection time is long, and stronger to operating personnel's technology dependence, production efficiency is low; Along with increasing of refrigerator warm area or a chamber and test item, original detection system can occur and can't satisfy the situation that detects requirement, thereby cause the extra investment of detection system transformation, upgrading aspect.
2, the built-in trace routine of refrigerator control system; After being provided with, the process manual work can force refrigerator to get into trace routine; Test item and order can be controlled by trace routine automatically during detection; Data acquisition relies on the outside pick-up unit of refrigerator to carry out, data and operation curve that the judgement that refrigeration performance is carried out is gathered based on the external detection device fully.
The built-in trace routine of refrigerator control system in the method need not manual work button frequently is set in the test process, there is the possibility of omission, erroneous judgement in the external detection system but its testing process places one's entire reliance upon, the testing result artificial judgment that places one's entire reliance upon.
3, the built-in trace routine of refrigerator control system, the trace routine of startup refrigerator when dispatching from the factory test.Because freezing and refrigerator chamber self disposes temperature sensor; Can bear that part is freezing, the temperature detection of refrigerator chamber; All the other remaining chambers are through the detection of dispatching from the factory of external detection system, and needed temperature sensor is reduced to one by original several during factory inspection.
The temperature sensor that utilizes the refrigerator autogamy of the method detects each freezing, refrigerator room temperature; The chamber is detected by the TEMP of the detection system of dispatching from the factory between residue; The decision section of its testing result is based on the detection system self of refrigerator inside, partial dependency external detection system and testing staff.
This shows that conventional detection is that mostly conventional artificial detects, semi-automatic detection, is subject to the human factor influence, cause occurring the phenomenon failing to judge, judge by accident, bring difficulty for quality control and management.Realize the detection of dispatching from the factory automatically of many warm areas refrigerator refrigeration performance and defrost performance how fast, accurately, at low cost, become the problem of refrigerator enterprises pay attention day by day.
Summary of the invention
The invention provides a kind of refrigerator pick-up unit that dispatches from the factory, can improve accuracy and efficient that refrigerator dispatches from the factory and detects.
On the one hand, the present invention has adopted following technical scheme:
A kind of refrigerator pick-up unit that dispatches from the factory; Comprise master control borad, be used for the environment temperature sensor of testing environment temperature and be used to detect the refrigerator built-in sensors of internal temperature of refrigerator; Wherein, said environment temperature sensor links to each other with master control borad respectively with the refrigerator built-in sensors, and said master control borad is positioned at the outside back side of refrigerator; Said environment temperature sensor is positioned at the outside top of refrigerator, and said refrigerator built-in sensors is positioned at refrigerator inside.
Above-mentioned refrigerator dispatches from the factory among the embodiment of pick-up unit, and said refrigerator built-in sensors comprises the freezer temperature sensor 1 that is used to detect freezer temperature, the refrigerator temperature sensor that is used to detect the temperature-changing chamber temperature sensor of temperature-changing chamber temperature and is used to detect temperature of refrigerating chamber.
Above-mentioned refrigerator dispatches from the factory among the embodiment of pick-up unit, and said refrigerator built-in sensors also comprises the refrigerating chamber defrost temperature sensor and the reefer defrost temperature sensor that is used to detect the refrigerator evaporator temperature that is used to detect the freezing chamber evaporator actuator temperature.
Above-mentioned refrigerator dispatches from the factory among the embodiment of pick-up unit, also comprises the hummer 4 that is used to alarm, and said hummer links to each other with master control borad.
Above-mentioned refrigerator dispatches from the factory among the embodiment of pick-up unit, also comprises the display screen that is used for displays temperature and alarm, and said display screen links to each other with master control borad.
On the other hand, the invention also discloses a kind of refrigerator detection method of dispatching from the factory, comprise following steps:
A, if the detected temperature of refrigerator built-in sensors during greater than preset temperature, refrigerator gets into the trace routine of dispatching from the factory;
After B, refrigerator get into the trace routine of dispatching from the factory, start refrigerating function;
C, in detection time, with reference to environment temperature, if the refrigerator temperature fall meets the refrigeration criterion of acceptability, then this refrigerator refrigeration is qualified; If the refrigerator refrigeration is defective, then produce the refrigeration alarm.
Above-mentioned refrigerator dispatches from the factory among the embodiment of detection method, and is further comprising the steps of after the said step C:
After D, detection time finished, refrigerator started the defrost function;
E, defrost temperature sensor detect evaporator temperature, and with reference to environment temperature, if the evaporator temperature ascensional range meets the defrost criterion of acceptability, then this refrigerator defrost is qualified; If the refrigerator defrost is defective, then produce the defrost alarm.
Above-mentioned refrigerator dispatches from the factory among the embodiment of detection method, and is further comprising the steps of after the said step C:
Master control borad will freeze to alarm and be sent to hummer, and said hummer sends corresponding sound alarm;
Further comprising the steps of after the said step e:
Master control borad is sent to hummer with the defrost alarm, and said hummer sends corresponding sound alarm;
Above-mentioned refrigerator dispatches from the factory among the embodiment of detection method, and is further comprising the steps of:
Master control borad is sent to display screen with refrigerator built-in sensors and the detected temperature of environment temperature sensor, and display screen shows corresponding temperature;
To freeze alarm or defrost alarm of master control borad is sent to display screen, shows corresponding alarm on the display screen.
In addition, the invention also discloses a kind of refrigerator, said refrigerator is furnished with the above-mentioned refrigerator pick-up unit that dispatches from the factory.
Compared with prior art, beneficial effect of the present invention is:
The present invention includes master control borad, be used for the environment temperature sensor of testing environment temperature and be used to detect the refrigerator built-in sensors of internal temperature of refrigerator; Can be according to the automatic detection starting function of the temperature of refrigerator inside; And whether the refrigerating function of judging refrigerator automatically is qualified; Need not the artificial sensor of placing, detection efficiency is high; Simultaneously the combining environmental temperature sensor judges whether refrigerator is qualified among the present invention, judge more accurately, more reasonable, has improved the dispatch from the factory accuracy of detection of refrigerator.
Description of drawings
Fig. 1 has exemplarily described the refrigerator of the present invention pick-up unit structured flowchart that dispatches from the factory;
Fig. 2 has exemplarily described the position view of master control borad of the present invention;
Fig. 3 has exemplarily described the position view of environment temperature sensor of the present invention and display screen.
Embodiment
Contrast accompanying drawing below and combine embodiment that the present invention is further elaborated.
As shown in Figure 1; A kind of refrigerator pick-up unit that dispatches from the factory comprises master control borad 1, is used for the environment temperature sensor 2 of testing environment temperature and is used to detect the refrigerator built-in sensors of internal temperature of refrigerator, wherein; Said environment temperature sensor 2 links to each other with master control borad 1 respectively with the refrigerator built-in sensors; Said master control borad 1 is positioned at the outside back side of refrigerator, and said environment temperature sensor 2 is positioned at the outside top of refrigerator, and said refrigerator built-in sensors is positioned at refrigerator inside.
Embodiment one:
As shown in Figure 1; The refrigerator of the one embodiment of the invention pick-up unit that dispatches from the factory comprises master control borad 1, is used for the environment temperature sensor 2 of testing environment temperature and is used to detect the refrigerator built-in sensors of internal temperature of refrigerator, wherein; Environment temperature sensor 2 links to each other with master control borad 1 respectively with the refrigerator built-in sensors; Master control borad 1 is positioned at the outside back side of refrigerator, and environment temperature sensor 2 is positioned at the outside top of refrigerator, and the refrigerator built-in sensors is positioned at refrigerator inside.
The position of master control borad is as shown in Figure 2.
The residing environment temperature of refrigerator has bigger influence to the refrigeration of refrigerator, and for example environment temperature is low, and the refrigerator inside refrigerating speed is fast, and environment temperature is high, and then the refrigerator inside refrigerating speed is slower, so the refrigerator in the present embodiment has been equipped with environment temperature sensor 2.
The position of environment temperature sensor is as shown in Figure 3.
Behind the configuration surroundings temperature sensor, can carry out more accurately, more reasonably judge performances such as the refrigeration of refrigerator, defrosts, improve the accuracy that refrigerator dispatches from the factory and detects in conjunction with ambient temperature.
The refrigerator of one embodiment of the invention dispatches from the factory in the pick-up unit, and the refrigerator built-in sensors comprises the freezer temperature sensor 31 that is used to detect freezer temperature, the refrigerator temperature sensor 33 that is used to detect the temperature-changing chamber temperature sensor 32 of temperature-changing chamber temperature and is used to detect temperature of refrigerating chamber.
The refrigerator of one embodiment of the invention dispatches from the factory in the pick-up unit, and the refrigerator built-in sensors also comprises the refrigerating chamber defrost temperature sensor 34 and the reefer defrost temperature sensor 35 that is used to detect the refrigerator evaporator temperature that is used to detect the freezing chamber evaporator actuator temperature.
During refrigerator operate as normal refrigeration, the moisture in the article that store in the refrigerator can be taken away by cold air, and through evaporator the time, freezes fin and pipeline surface in evaporator, forms the frost layer.The existence of frost layer will influence the heat interchange of evaporator, make the refrigeration performance variation of refrigerator, even the circulation that can block air, cause fault to take place.For guaranteeing the normal operation of wind cooling refrigerator, defrost need be regularly carried out on the evaporator fin surface.
During the refrigerator defrost, the frost on the defrosting device heating and melting evaporator, the temperature of refrigerating chamber defrosting sensor 34 and reefer defrosting sensor 35 detection evaporators, the combining environmental temperature judges whether the defrost function of refrigerator is qualified.
The refrigerator of one embodiment of the invention dispatches from the factory in the pick-up unit, also comprises the hummer 4 that is used to alarm, and hummer 4 links to each other with master control borad 1.
The refrigerator of one embodiment of the invention dispatches from the factory in the pick-up unit, also comprises the display screen 5 that is used for displays temperature and alarm, and display screen 5 links to each other with master control borad 1.
The position of display screen is as shown in Figure 3.
When refrigerator refrigeration or defrost are defective; Master control borad 1 produces the refrigeration alarm; And will freeze alarm or defrost alarm are sent to hummer 4 and display screen 5; Hummer 4 can send this refrigerator of corresponding auditory tone cues refrigeration or alarm defectively, also can show corresponding alarm on the display screen 5, and can show this refrigerator between which the refrigeration or the defrost of chamber defective.
5 alarms can have hummer 4 simultaneously with display screen, also can adopt wherein a kind of alarm mode according to the concrete signal of refrigerator, and for example some refrigerator does not have display screen 5, then adopts hummer 4 alarms, and some refrigerator has display screen 5, then can display screen 5 alarms.
Adopt hummer 4 to alarm, lower for the configuration requirement of refrigerator, can also in time notify the testing staff; Adopt display screen 5 to alarm, more directly perceived, it is more accurate to notify.Adopt alarm to safeguard that to producer refrigerator has brought facility, improved the efficient that refrigerator dispatches from the factory and detects.
The invention also discloses a kind of refrigerator, this refrigerator is furnished with the above-mentioned refrigerator pick-up unit that dispatches from the factory.
Embodiment two:
Be furnished with above-mentioned refrigerator the dispatch from the factory embodiment of detection method of the refrigerator of pick-up unit that dispatches from the factory and comprise following steps:
Step 101, after the refrigerator energising, the refrigerator built-in sensors detects internal temperature of refrigerator, and refrigerator environment temperature sensor 2 is the testing environment temperature simultaneously.
Step 102, if the built-in freezer temperature sensor 31 detected internal temperature of refrigerator of refrigerator are during greater than preset temperature, refrigerator gets into the trace routine of dispatching from the factory.
Generally, preset temperature is set to zero degree.
Step 103, refrigerator start refrigerating function after getting into the trace routine of dispatching from the factory automatically.
Refrigerator starts refrigerating function, and compressor, blower fan, solenoid valve etc. are started working, and gives each chamber refrigeration of refrigerator.
Step 104, in detection time, with reference to environment temperature, if the refrigerator temperature fall meets the refrigeration criterion of acceptability, then this refrigerator refrigeration is qualified.
Be provided with according to the concrete condition of refrigerator by producer detection time, and generally, be set to one hour detection time.For complex structure, the refrigerator that a chamber is more, a chamber is bigger, detection time can proper extension.
The refrigeration criterion of acceptability refers under current environmental temperature, and in detection time, whether the decline temperature of each chamber reaches certain amplitude in the refrigerator.
In the present embodiment, the refrigeration criterion of acceptability shown in table 1, table 2, table 1 be environment temperature be 25 ± 2 (℃) time the refrigeration criterion of acceptability of each chamber, table 2 be environment temperature be 32 ± 2 (℃) time the refrigeration criterion of acceptability of each chamber.
Table 1
Table 2
Numerical value in the above table is empirical value, can be provided with according to the concrete model of refrigerator and the environment temperature of detection.
In the present embodiment; When environment temperature is 26 ℃; The refrigerator of a certain model detected the refrigerating chamber cooling and has reached 21 ℃ in the time of 10 minutes, in the time of 30 minutes, detect the reefer cooling and reach 12 ℃, and the cooling that in the time of 50 minutes, detects temperature-changing chamber reaches 10 ℃; Then the refrigeration performance of this refrigerator reaches the refrigeration criterion of acceptability, and the refrigerating function of this refrigerator is qualified.
Step 106; If the refrigerator refrigeration is defective; Then produce the refrigeration alarm, master control borad 1 will freeze to alarm and be sent to hummer 4 and display screen 5, and it is defective that hummer 4 can send this refrigerator refrigeration of corresponding auditory tone cues; Also can show corresponding alarm on the display screen 5, and can show this refrigerator between which the refrigeration of chamber defective.
Step 107, when after the detection time that is provided with, refrigerator starts the defrost function, and refrigerating chamber defrosting sensor 34 detects refrigerating chamber, refrigerator evaporator temperature respectively with reefer defrosting sensor 35.
Step 108, in certain defrost time, with reference to environment temperature, if the evaporator temperature ascensional range meets the defrost criterion of acceptability, then this refrigerator defrost is qualified.
The defrost criterion of acceptability of the refrigerator of different model is different, presses empirical value voluntarily by producer and sets, and no longer details here.
Step 109; If the refrigerator defrost is defective; Then produce the defrost alarm, master control borad 1 is sent to hummer 4 and display screen 5 with the defrost alarm, and it is defective that hummer 4 can send this refrigerator defrost of corresponding auditory tone cues; Also can show corresponding alarm on the display screen 5, and can show this refrigerator between which the defrost of chamber defective.
Refrigeration and all qualified refrigerator of defrost are only the qualified refrigerator of performance.
Step 110, after detection finished, refrigerator withdrawed from trace routine.
Refrigerator withdraws from after the trace routine, and trace routine is not restarted and worked in the normal use of user, and the user is used not influence of refrigerator.
Refrigerator breaks down when reprocessing, and producer is the detection starting program once more, is convenient to the accurate orientation problem of producer.
The present invention includes master control borad, be used for the environment temperature sensor of testing environment temperature and be used to detect the refrigerator built-in sensors of internal temperature of refrigerator; Can be according to the automatic detection starting function of the temperature of refrigerator inside; And whether the refrigerating function of judging refrigerator automatically is qualified; Need not the artificial sensor of placing, detection efficiency is high; Simultaneously the combining environmental temperature sensor judges whether refrigerator is qualified among the present invention, judge more accurately, more reasonable, has improved the dispatch from the factory accuracy of detection of refrigerator.The present invention also comprises refrigerating chamber defrosting sensor and reefer defrosting sensor, can judge whether the defrost performance of refrigerator is qualified, and refrigerator has been carried out more comprehensively judging.The present invention also comprises the display screen of the hummer that is used to alarm, and can point out the testing staff in proper order, has brought facility also for the maintenance of producer, has improved the efficient that refrigerator dispatches from the factory and detects.Display screen among the present invention also can be used for displays temperature, and producer can monitor the temperature of each chamber of refrigerator in real time, has brought facility to producer.
Above content is to combine concrete preferred implementation to the further explain that the present invention did, but this instance of just lifting for ease of understanding should not think that practical implementation of the present invention is confined to these explanations.For the those of ordinary skill of technical field under the present invention, under the prerequisite that does not break away from the present invention's design, can make various possible being equal to and change or replacement, these changes or replacement all should belong to protection scope of the present invention.
In the description of this instructions, the description of reference term " embodiment ", " some embodiment ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means the concrete characteristic, structure, material or the characteristics that combine this embodiment or example to describe and is contained at least one embodiment of the present invention or the example.In this manual, the schematic statement to above-mentioned term not necessarily refers to identical embodiment or example.And concrete characteristic, structure, material or the characteristics of description can combine with suitable manner in any one or more embodiment or example.
Claims (8)
1. refrigerator detection method of dispatching from the factory; Adopt the refrigerator pick-up unit that dispatches from the factory that refrigerator is detected; The wherein said refrigerator pick-up unit that dispatches from the factory comprises master control borad (1), is used for the environment temperature sensor (2) of testing environment temperature and is used to detect the refrigerator built-in sensors of internal temperature of refrigerator that wherein, said environment temperature sensor (2) links to each other with master control borad (1) respectively with the refrigerator built-in sensors; It is characterized in that the said refrigerator detection method of dispatching from the factory comprises following steps:
A, with refrigerator energising, make said environment temperature sensor (2) testing environment temperature, and said refrigerator built-in sensors detects internal temperature of refrigerator;
The size of B, the judgement detected internal temperature of refrigerator of said refrigerator built-in sensors and preset temperature;
C, if the detected internal temperature of refrigerator of said refrigerator built-in sensors during greater than preset temperature, refrigerator gets into the trace routine of dispatching from the factory;
After D, refrigerator get into the trace routine of dispatching from the factory, start refrigerating function;
E, in detection time, with reference to said environment temperature, if the refrigerator temperature fall meets the refrigeration criterion of acceptability, then this refrigerator refrigeration is qualified; If the refrigerator refrigeration is defective, then produce the refrigeration alarm.
2. the refrigerator as claimed in claim 1 detection method of dispatching from the factory is characterized in that said refrigerator built-in sensors comprises:
Be used to detect the freezer temperature sensor (31) of freezer temperature, the refrigerator temperature sensor (33) that is used to detect the temperature-changing chamber temperature sensor (32) of temperature-changing chamber temperature and is used to detect temperature of refrigerating chamber.
3. the refrigerator as claimed in claim 2 detection method of dispatching from the factory is characterized in that said refrigerator built-in sensors also comprises:
Be used to detect the defrost temperature sensor of evaporator temperature in the refrigerator.
4. the refrigerator as claimed in claim 3 detection method of dispatching from the factory is characterized in that, and is further comprising the steps of after the said step e:
After F, detection time finished, refrigerator started the defrost function;
G, said defrost temperature sensor detect evaporator temperature, and with reference to environment temperature, if the evaporator temperature ascensional range meets the defrost criterion of acceptability, then this refrigerator defrost is qualified; If the refrigerator defrost is defective, then produce the defrost alarm.
5. like claim 3 or the 4 described refrigerators detection method of dispatching from the factory, it is characterized in that said defrost temperature sensor comprises:
Be used to detect the refrigerating chamber defrost temperature sensor (34) of freezing chamber evaporator actuator temperature; With
Be used to detect the reefer defrost temperature sensor (35) of refrigerator evaporator temperature.
6. the refrigerator as claimed in claim 4 detection method of dispatching from the factory is characterized in that, and is further comprising the steps of after the said step e:
Master control borad will freeze to alarm and be sent to hummer, and said hummer sends corresponding sound alarm, and wherein said hummer is connected to said master control borad;
Further comprising the steps of after the said step G:
Master control borad is sent to hummer with the defrost alarm, and said hummer sends corresponding sound alarm.
7. the refrigerator as claimed in claim 4 detection method of dispatching from the factory is characterized in that, and is further comprising the steps of:
Master control borad is sent to display screen with refrigerator built-in sensors and the detected temperature of environment temperature sensor, and display screen shows corresponding temperature;
To freeze alarm or defrost alarm of master control borad is sent to display screen, shows corresponding alarm on the display screen.
8. like the detection method of dispatching from the factory of each described refrigerator among the claim 1-7, it is characterized in that said preset temperature is 0 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102347262A CN102721566A (en) | 2010-04-21 | 2010-04-21 | Factory detecting method for refrigerator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012102347262A CN102721566A (en) | 2010-04-21 | 2010-04-21 | Factory detecting method for refrigerator |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010157992 Division CN101943637A (en) | 2010-04-21 | 2010-04-21 | Refrigerator and refrigerator outgoing detector |
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| CN102721566A true CN102721566A (en) | 2012-10-10 |
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| CN2012102347262A Pending CN102721566A (en) | 2010-04-21 | 2010-04-21 | Factory detecting method for refrigerator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102954897A (en) * | 2012-12-07 | 2013-03-06 | 合肥美的荣事达电冰箱有限公司 | Detecting method of refrigerator |
| CN103163879A (en) * | 2013-03-22 | 2013-06-19 | 四川长虹电器股份有限公司 | Detection method for reliability test of refrigerator controller |
| CN103499462A (en) * | 2013-10-23 | 2014-01-08 | 合肥美的电冰箱有限公司 | Delivery detection method for 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 |
| CN113631135A (en) * | 2019-04-09 | 2021-11-09 | 个人冷却技术有限责任公司 | Portable cooling system, apparatus and method |
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| CN102954897A (en) * | 2012-12-07 | 2013-03-06 | 合肥美的荣事达电冰箱有限公司 | Detecting method of refrigerator |
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| 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 |
| CN113631135A (en) * | 2019-04-09 | 2021-11-09 | 个人冷却技术有限责任公司 | Portable cooling system, apparatus and method |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| C53 | Correction of patent of invention or patent application | ||
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Address after: 230601 Hefei Changjiang Road, Anhui, No. 669 Applicant after: Hefei Midea Refrigerator Co., Ltd. Applicant after: Hefei Hualing Co., Ltd. Address before: 230601 Hefei Changjiang Road, Anhui, No. 669 Applicant before: Hefei Media Rongshida Refrigerator Co., Ltd. Applicant before: Hefei Hualing Co., Ltd. |
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Free format text: CORRECT: APPLICANT; FROM: HEFEI MEDIA RONGSHIDA REFRIGERATOR CO., LTD. TO: HEFEI MIDEA REFRIGERATORCO., LTD. |
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Application publication date: 20121010 |