CN1218155C - Control method for evaporator case heating - Google Patents
Control method for evaporator case heating Download PDFInfo
- Publication number
- CN1218155C CN1218155C CN 02116366 CN02116366A CN1218155C CN 1218155 C CN1218155 C CN 1218155C CN 02116366 CN02116366 CN 02116366 CN 02116366 A CN02116366 A CN 02116366A CN 1218155 C CN1218155 C CN 1218155C
- Authority
- CN
- China
- Prior art keywords
- heating
- temperature
- phase
- evaporimeter
- shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Defrosting Systems (AREA)
Abstract
The present invention relates to a control method for evaporator casing heating, which comprises the following four program phases: the first phase for judging whether the defrosting operation is carried out on condensed ice in an evaporator; according to a judging result of the first phase, the second phase for making a casing heater heated and judging whether the prescribed time is exceeded is carried out; according to a judging result of the second phase, if the prescribed time is exceeded, the casing heater can be repeatedly heated for certain time and the heating is stopped for certain time, and then, the third phase for judging whether the temperature probed by a defrosting sensor is higher than the set temperature is carried out; according to a judging result of the third phase, if the temperature probed by the defrosting sensor is higher than the set temperature, the fourth phase for stopping the defrosting process can be carried out. The present invention can reduce the icing phenomenon generated by surface overcooling by lowering the amount of the water vapor produced by casing heating to the lowest point.
Description
Technical field
The present invention relates to the method for heating and controlling in a kind of mechanical engineering refrigerating field refrigerator, particularly relate to the shell method for heating and controlling (SHEATH HEATER CONTRILMETHOD FOR EVAPORATOR) of the evaporimeter in a kind of refrigerator.The shell method for heating and controlling of this evaporimeter mainly is by regulating the amount of the steam that is produced by the shell heating, making it be reduced to minimum point, and then can reduce because of the cold excessively icing phenomenon that produces in surface.
Background technology
Usually, the process of refrigerastion of refrigerator mainly is that the operation by evaporimeter reduces the temperature in the storeroom, and then reaches the purpose of keeping the freshness of food in the storeroom.At this moment, can produce the phenomenon of the frost that freezes on the evaporimeter, remove this white process and be called defrost process.The shell heater of high temperature heater promptly is applicable to this defrost process, and its heating temp can rise to 300 ℃.
At first, seeing also shown in Figure 1ly, is the texture edge schematic diagram of existing traditional refrigerator 1.As shown in the figure, the air in the storeroom flows into and cooling in evaporimeter 12 by cold air sucting inlet 11, via the running of fan on the baffle 15 13 and grille blades 14, flows in the storeroom again by cold gas exhausting outlet 16 again then.At this moment, as shown in Figure 2, on evaporimeter 12 phenomenon of freezing can take place, need the operation defrost process in order to dissolve this frosting.Become after the globule 20 after this frosting dissolving, as shown in Figure 3, after this globule 20 fell to the surface of shell heater 30, just can evaporate became steam.
Following with reference to accompanying drawing, the defrost process of the prior art that will be made of above-mentioned principle is described in detail as follows again:
See also shown in Figure 4, it is the working plan that has the shell method for heating and controlling of traditional evaporimeter now, as shown in FIG., it comprises following working procedure: judge whether icing phase I of defrosting of condensing in the evaporimeter 12 (shown in Figure 1 in conjunction with consulting): start compressor and turn round 7 hours (S1), begin defrosting (S2); According to the judged result of above-mentioned phase I, make 30 heatings of shell heater and judge whether the defrosting temperature that sensor detected is higher than 5 ℃ second stage: 30 heatings (S3) of shell heater, defrosting temperature 〉=5 ℃ (S4) that sensor detected; And according to the judged result of above-mentioned second stage, if the defrosting temperature that sensor detected is higher than 5 ℃, the phase III that promptly can stop defrost process stopping defrosting (S5) and constitutes.
Now the shell method for heating and controlling with existing traditional evaporimeter of above-mentioned formation is summarized as follows:
The controller of refrigerator is surveyed after the storage indoor temperature, and the temperature that detects is compared with the design temperature that the user is imported, and is higher than the external setting-up temperature if judge the temperature that is detected, and then controller promptly can start compressor.
At this moment, on the evaporimeter 12 of refrigerator the phenomenon of freezing can take place, a certain amount of frost layer can increase the heat transfer area of evaporimeter 12 and make it more smooth and easy with outside heat exchange.But too much white layer will be worked to reduce the impedance body that exchanges with external heat, therefore, and need be to these white layer of processing that defrosts.
When being judged as when needing defrosting, above-mentioned controller promptly can make 30 heatings of shell heater, and by the defrosting temperature that sensor detected, promptly can stop defrost process as surpassing 5 ℃.
But, in above-mentioned existing conventional art, contact (as shown in Figure 3) with the surface of the shell heater 30 of refrigerator after the white stratification of land is separated on the evaporimeter 12, and then evaporation becomes the gas of high temperature, and the gas of this high temperature also can become frost after entering refrigerating chamber once more.
This defrost process has and makes frost be attached to the surface of food and the defective on the refrigerating chamber annex.In addition, also have when this high-temperature gas and enter in the refrigerating chamber defective that can cause making the temperature in the storeroom to raise.This shows that the shell method for heating and controlling of above-mentioned existing evaporimeter still has many defectives, and the assistant officer treats further to be improved.
Because the defective that the shell method for heating and controlling of above-mentioned existing evaporimeter exists, the inventor is based on abundant practical experience and professional knowledge, actively studied innovation, through constantly research, design, and after studying sample and improvement repeatedly, create the present invention who has practical value finally.
Summary of the invention
Technical problem underlying to be solved by this invention is, overcome the defective that the above-mentioned shell method for heating and controlling that has traditional evaporimeter now exists, and provide a kind of shell method for heating and controlling of new evaporimeter, make amount be reduced to minimum point by the steam that excessive rising produced of shell heter temperature, and then can reduce in the refrigerating chamber condensing of frost layer, and can overcome the defective that raises by the caused storage indoor temperature of steam.
The present invention solves its technical problem underlying and realizes by the following technical solutions.The shell method for heating and controlling of a kind of evaporimeter that proposes according to the present invention is characterized in that it by the control system that four different operation phase are formed, and it comprises: judging whether need be to the icing phase I of defrosting of condensing in the evaporimeter; According to the judged result of above-mentioned phase I, make the shell heater heat and judge whether to pass through the second stage of defined time; Judged result according to above-mentioned second stage, if passed through the defined time, will judge whether the defrosting temperature that sensor detected is higher than the defined temperature, and the shell heater heats the phase III that certain hour stops the process of certain hour more repeatedly; And,, promptly can stop the quadravalence section of defrost process if the defrosting temperature that sensor detected is higher than the defined temperature according to the judged result of above-mentioned phase III.
The present invention solves its technical problem and can also adopt following technical measures further to realize.
The shell method for heating and controlling of aforesaid evaporimeter, the wherein said stipulated time is set at 10 minutes.
The shell method for heating and controlling of aforesaid evaporimeter, wherein said certain hour is set at 3 minutes.
The shell method for heating and controlling of aforesaid evaporimeter, wherein said set point of temperature are set to 5 ℃.
The present invention compared with prior art has tangible advantage and beneficial effect.By above technical scheme as can be known, the present invention when being consistent on device constitutes with existing traditional refrigerator, gives prominence to the shell method for heating and controlling of having founded evaporator of electric refrigerator in order to achieve the above object.The shell method for heating and controlling of this evaporator of electric refrigerator mainly is to comprise following four-stage: the phase I mainly is icing defrosting that judges whether condensing in the evaporimeter; Second stage according to the judged result of above-mentioned phase I, makes the heating of shell heater and judges whether the process defined time; Phase III, judged result according to above-mentioned second stage, if passed through the defined time, will judge whether the defrosting temperature that sensor detected is higher than the defined temperature, and the shell heater heats the process that certain hour stops certain hour more repeatedly; The quadravalence section then is the judged result according to the above-mentioned phase III, if the defrosting temperature that sensor detected is higher than the defined temperature, promptly can stop defrost process.As mentioned above, adopt the shell method for heating and controlling of evaporator of electric refrigerator of the present invention, that the frost that can make on the evaporimeter to be formed is produced when being removed by the shell heater, and the amount that can penetrate into the steam in the storeroom be reduced to minimum point, and then the excessive rising of control refrigerator refrigeration room temperature, and can reach the effect of minimizing attached to food in the refrigerating chamber and the frosting on the attachment surface.
In sum, the shell method for heating and controlling of evaporimeter of the present invention comprises following four program phases formation: judge whether the icing phase I of defrosting to condensing in the evaporimeter; According to the judged result of above-mentioned phase I, enter the second stage that makes the heating of shell heater and judge whether the process defined time; Judged result according to above-mentioned second stage, if passed through the defined time, will judge whether the defrosting temperature that sensor detected is higher than the defined temperature, and the shell heater heats the phase III that certain hour stops the process of certain hour more repeatedly; According to the judged result of above-mentioned phase III,, promptly can enter the quadravalence section that stops defrost process if the defrosting temperature that sensor detected is higher than the defined temperature.The shell method for heating and controlling of this evaporimeter mainly is by regulating the amount of the steam that is produced by the shell heating, make it be reduced to minimum point, and then can reduce because of the cold excessively icing phenomenon that produces in surface, the amount by the steam that excessive rising produced of shell heter temperature that makes is reduced to minimum point, and then can reduce in the refrigerating chamber condensing of frost layer, and can overcome the defective that raises by the caused storage indoor temperature of steam.It has above-mentioned many advantages and practical value, no matter structurally or bigger improvement all arranged on the function, and have technically than much progress, and produced handy and practical effect, and has the effect of enhancement really, thereby being suitable for practicality more, and having there is no similar method publish or use in class methods, really is a new and innovative, progressive, practical new design.
The specific embodiment of the present invention is provided in detail by following examples and accompanying drawing thereof.
Description of drawings
Fig. 1 is the texture edge schematic diagram that has traditional refrigerator now.
Fig. 2 is the existing traditional evaporator of electric refrigerator shown in Figure 1 and the structure chart of shell heater.
Fig. 3 is the explanation schematic diagram that falls into the globule evaporation process on the shell heater of existing traditional refrigerator shown in Figure 1.
Fig. 4 is the working plan that has the shell method for heating and controlling of traditional evaporimeter now.
Fig. 5 is the working plan of the shell method for heating and controlling of evaporimeter of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing and preferred embodiment, its specific embodiment of shell method for heating and controlling, structure, feature and the effect thereof of the evaporimeter that foundation the present invention is proposed, describe in detail as after.
Seeing also shown in Figure 5ly, is the shell method for heating and controlling working plan of evaporimeter of the present invention, as shown in the figure, the shell method for heating and controlling of evaporimeter of the present invention, its course of work includes following working procedure:
Judge whether the icing phase I of defrosting: start compressor and turn round 7 hours (ST1), begin defrosting (ST2) to condensing in the evaporimeter;
According to the judged result of above-mentioned phase I, make shell heater heating and judge whether second stage: shell heater heating (ST3), 10 minutes heat time heating times of shell heater (ST4) through 10 minutes;
Judged result according to above-mentioned second stage, if passed through 10 minutes, will judge whether the temperature that the defrosting sensor is surveyed is higher than 5 ℃, and the shell heater heats the phase III of processes such as stopping again in 3 minutes 3 minutes repeatedly: defrosting temperature 〉=5 ℃ (ST5) that sensor detected, the heating of shell heater 3 minutes stop 3 minutes (ST6) again; And
According to the judged result of above-mentioned phase III, if the defrosting temperature that sensor detected is higher than 5 ℃, the quadravalence section that promptly can stop defrost process stopping defrosting (ST7) and constitutes.
See also Fig. 5, and shown in Figure 1 in conjunction with consulting, below the shell method for heating and controlling of evaporimeter of the present invention that said procedure is constituted conclude explanation as back:
The controller of above-mentioned refrigerator 1 detects after the storage indoor temperature, and the temperature that detects is compared with the design temperature that the user is imported, and is higher than the external setting-up temperature if judge the temperature that is detected, and this controller promptly can start compressor.
After starting compressor and turning round 7 hours, because the phenomenon that takes place on the evaporimeter 12 of refrigerator 1 to freeze has reduced heat exchange, then above-mentioned controller promptly can make 30 heating of shell heater and defrost, and shell heater 30 was heated 10 minutes.After heating in 10 minutes, the icing beginning that condenses on the evaporimeter 12 dissolved, and the temperature of shell heater 30 can reach 70-100 ℃ at this moment.
At this moment, make shell heater 30 stop to heat 3 minutes, rise, and then the water that is become by frost is not contacted with the surface of shell heater 30 flash to steam, and directly be discharged to the outside with the excessive temperature that prevents shell heater 30.
After 3 minutes, above-mentioned controller promptly can be surveyed the interior temperature of storeroom by the defrosting sensor, and shell heater 30 is heated repeatedly stopped 3 minutes process again in 3 minutes, and dissolve icing defrost process, until the temperature that is detected above 5 ℃.
When being higher than 5 ℃ by the defrosting storage indoor temperature that sensor detected, above-mentioned controller promptly can stop defrost process.
The above, it only is preferred embodiment of the present invention, be not to be that the present invention is done any pro forma restriction, every foundation technical spirit of the present invention all still belongs in the scope of technical solution of the present invention any simple modification, equivalent variations and modification that above embodiment did.
Claims (5)
1, a kind of shell method for heating and controlling of evaporimeter is characterized in that it by the control system that four different operation phase are formed, and it comprises:
Judging whether need be to the icing phase I of defrosting of condensing in the evaporimeter;
According to the judged result of above-mentioned phase I, make the shell heater heat and judge whether to pass through the second stage of defined time;
Judged result according to above-mentioned second stage, if passed through the defined time, will judge whether the defrosting temperature that sensor detected is higher than the defined temperature, and the shell heater heats the phase III that certain hour stops the process of certain hour more repeatedly; And
According to the judged result of above-mentioned phase III,, promptly can stop the quadravalence section of defrost process if the defrosting temperature that sensor detected is higher than the defined temperature.
2, the shell method for heating and controlling of evaporimeter according to claim 1 is characterized in that the wherein said stipulated time is set at 10 minutes.
3, the shell method for heating and controlling of evaporimeter according to claim 1 and 2 is characterized in that wherein said certain hour is set at 3 minutes.
4, the shell method for heating and controlling of evaporimeter according to claim 1 is characterized in that wherein said set point of temperature is set to 5 ℃.
5, the shell method for heating and controlling of evaporimeter according to claim 3 is characterized in that wherein said set point of temperature is set to 5 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02116366 CN1218155C (en) | 2002-03-28 | 2002-03-28 | Control method for evaporator case heating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02116366 CN1218155C (en) | 2002-03-28 | 2002-03-28 | Control method for evaporator case heating |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1448678A CN1448678A (en) | 2003-10-15 |
| CN1218155C true CN1218155C (en) | 2005-09-07 |
Family
ID=28680686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02116366 Expired - Fee Related CN1218155C (en) | 2002-03-28 | 2002-03-28 | Control method for evaporator case heating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1218155C (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101893537B (en) * | 2010-06-24 | 2012-07-25 | 大连北方分析仪器有限公司 | Novel method and device for detecting evaporation loss of lubricating oil |
| CN102243005A (en) * | 2011-07-05 | 2011-11-16 | 海信容声(广东)冰箱有限公司 | Defrosting control method of air-cooling refrigerator evaporator |
| CN103411380B (en) * | 2013-07-30 | 2016-04-27 | 合肥美的电冰箱有限公司 | Refrigerator and the refrigerating chamber defrosting control method for refrigerator |
| KR102418143B1 (en) * | 2017-04-28 | 2022-07-07 | 엘지전자 주식회사 | Refrigerator and Controlling method for the same |
| CN111397281B (en) * | 2020-04-27 | 2021-07-20 | 合肥美菱物联科技有限公司 | Defrosting control method for air-cooled refrigerator |
| CN112696872B (en) * | 2020-12-31 | 2022-07-08 | 格力电器（武汉）有限公司 | Defrosting control method and device for air-cooled refrigerator and air-cooled refrigerator |
| CN114413414B (en) * | 2021-12-14 | 2023-05-12 | 珠海格力电器股份有限公司 | Defrosting exit judging method and air conditioning system |
| CN114485040A (en) * | 2022-02-21 | 2022-05-13 | 珠海格力电器股份有限公司 | Control device and method for refrigeration appliance and refrigeration appliance |
-
2002
- 2002-03-28 CN CN 02116366 patent/CN1218155C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1448678A (en) | 2003-10-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109084443B (en) | Air conditioner outdoor unit condenser frosting inhibition method and air conditioner | |
| KR101409854B1 (en) | Heat pump type cool and hot-air drying machine | |
| CN1156664C (en) | Refrigerator | |
| CN110006144B (en) | Air conditioner cleaning control method and air conditioner | |
| CN109869954B (en) | Air source heat pump water heater and defrosting method thereof | |
| CN109798713B (en) | Three-circulation air-cooled refrigerator and defrosting method thereof | |
| CN101435648A (en) | Cold storage room circulation heat utilization defrosting refrigeration system and control method thereof | |
| CN101975439B (en) | Defrosting operation control method for air conditioner | |
| CN101644511B (en) | Parallel flow evaporator and anti-freezing method thereof | |
| CN1218155C (en) | Control method for evaporator case heating | |
| KR20110083261A (en) | The double evaporation pipe type heat pump apparatus | |
| CN112797593A (en) | Self-cleaning control method and single-cooling type air conditioner | |
| WO2019129243A1 (en) | Control method for improving evaporation capacity of refrigerator, and refrigerator | |
| CN112283993B (en) | Refrigeration control method and device and refrigeration equipment | |
| CN110726271A (en) | Efficient chassis icing-resistant finned heat exchanger and working method thereof | |
| CN111795522A (en) | Defrosting end control method, processor and air-source heat pump hot water system | |
| KR100669257B1 (en) | Apparatus and method for freeze-drying using heat pump system | |
| CN219995655U (en) | Defrosting structure of evaporator, refrigeration cycle system and refrigerator | |
| CN1858523A (en) | Energy storaging defrosting refrigerator | |
| CN108001164A (en) | A kind of control method of vehicle-mounted heat pump air conditioner unit | |
| CN113503625B (en) | Self-cleaning method of air conditioner | |
| CN114427694A (en) | Defrosting control method for air source heat pump unit and air source heat pump | |
| KR20000031395A (en) | Method of controlling defrost for refrigerator | |
| CN100458322C (en) | Direct cooling refrigerator | |
| CN111649516B (en) | A kind of refrigerator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Taizhou LG Electronics Refrigerator Co., Ltd. Assignor: Lejin Electronic and Electric Appliance Co., Ltd. (Tianjin) Contract fulfillment period: 2005.12.30 to 2015.12.29 contract change Contract record no.: 2008320000752 Denomination of invention: Control method for evaporator case heating Granted publication date: 20050907 License type: Exclusive license Record date: 20081010 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2005.12.30 TO 2015.12.29; CHANGE OF CONTRACT Name of requester: TAIZHOU LG ELECTRONICS FREEZER CO., LTD. Effective date: 20081010 |
|
| ASS | Succession or assignment of patent right |
Owner name: TAIZHOU LG ELECTRONICS FREEZER CO., LTD. Free format text: FORMER OWNER: LG ELECTRONICS ( TIANJIN ) ELECTRICAL APPLIANCES CO., LTD. Effective date: 20091225 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20091225 Address after: No. 2 Yingbin Road, Taizhou Economic Development Zone, Jiangsu Patentee after: Taizhou LG Electronics Refrigerator Co., Ltd. Address before: Beichen District, Tianjin Xing Lake Road Patentee before: Lejin Electronic and Electric Appliance Co., Ltd. (Tianjin) |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050907 Termination date: 20110328 |