CN102313438A - Moisturizing control method of cold-storage chamber of air-cooled refrigerator - Google Patents
Moisturizing control method of cold-storage chamber of air-cooled refrigerator Download PDFInfo
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- CN102313438A CN102313438A CN201110297376A CN201110297376A CN102313438A CN 102313438 A CN102313438 A CN 102313438A CN 201110297376 A CN201110297376 A CN 201110297376A CN 201110297376 A CN201110297376 A CN 201110297376A CN 102313438 A CN102313438 A CN 102313438A
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Abstract
The invention provides a moisturizing control method of a cold-storage chamber of an air-cooled refrigerator, which comprises the following steps: detecting a first temperature of the cold-storage chamber; comparing the first temperature with a first preset temperature, refrigerating the cold-storage chamber and beginning timing if the first temperature is more than or equal to the first preset temperature; detecting the first temperature of the cold-storage chamber again, and judging whether the first temperature is less than or equal to a second preset temperature or not; controlling the cold-storage chamber to enter a moisturizing state if the first temperature is less than or equal to the second preset temperature, otherwise, judging whether a refrigeration time is more than a first preset time or not; and controlling the cold-storage chamber to enter the moisturizing state if the refrigeration time is more than the first preset time, otherwise, refrigerating the cold-storage chamber continuously, wherein the first preset temperature is more than the second preset temperature. According to the moisturizing control method of the cold-storage chamber of the air-cooled refrigerator, the cold-storage chamber can be adequately moisturized, and further, the temperature fluctuation of each compartment of the refrigerator is guaranteed to be small.
Description
Technical field
The present invention relates to technical field of refrigeration equipment, particularly a kind of refrigerating chamber of wind cooling refrigerator control method of preserving moisture.
Background technology
The refrigerator of present existing band moisture-keeping functions, the flow process of its control method of preserving moisture is as shown in Figure 1.Judge whether the refrigerating chamber observed temperature reaches start point temperature, if refrigerating chamber has reached start point temperature, request start; Control refrigeration blower fan is opened; Magnetic valve is got to the refrigeration side, lets cold-producing medium pass through refrigeration evaporator refrigerating chamber is freezed, and judges then when whether the refrigerating chamber observed temperature reaches the break point temperature; If reached shutdown temperature, then begin refrigerating chamber is preserved moisture.
Yet the shortcoming of traditional moisture method does, if the refrigerating chamber load is bigger; Do not reach the shutdown point temperature of refrigerating chamber for a long time; Refrigerating chamber just can not get into the state of preserving moisture so, and refrigerating chamber is abundant inadequately with regard to not preserving moisture or preserve moisture like this, and then does not reach the effect of preserving moisture.In addition, if refrigerating chamber is preserved moisture above behind the certain hour, the refrigeration evaporator temperature does not also reach the temperature that withdraws from of setting.When other warm areas, during like request start refrigeration such as refrigerating chambers, also do not withdraw from owing to preserve moisture like this, compressor can not start, and causes other warm area temperature fluctuation meetings very big thus.
Summary of the invention
The present invention is intended to one of solve the problems of the technologies described above at least.
For this reason, the objective of the invention is to propose a kind of refrigerating chamber that can make refrigerating chamber reach the wind cooling refrigerator of fully preserving moisture control method.
To achieve these goals, the refrigerating chamber of the wind cooling refrigerator of the embodiment of the invention control method of preserving moisture may further comprise the steps: first temperature that detects the refrigerating chamber of refrigerator; Detected first temperature and first preset temperature are compared, if said first temperature more than or equal to said first preset temperature, is then freezed to said refrigerating chamber and begun cooling time is carried out timing; Detect first temperature of said refrigerating chamber once more, and judge whether said detected once more first temperature is less than or equal to second preset temperature; If said detected once more first temperature is less than or equal to second preset temperature, then controls said refrigerating chamber and get into the state of preserving moisture, otherwise judge that whether said cooling time is greater than first scheduled time; And if said cooling time is greater than said first scheduled time, then control said refrigerating chamber and get into the state of preserving moisture, otherwise continue said refrigerating chamber refrigeration, wherein, said first preset temperature is greater than said second preset temperature.
According to the refrigerating chamber of the wind cooling refrigerator of the embodiment of the invention control method of preserving moisture; When first temperature (Current Temperatures) of refrigerating chamber is lower than second predetermined temperature (shutdown point a temperature) of refrigerating chamber, the control refrigerating chamber gets into the state of preserving moisture, even bigger in the refrigerating chamber load; First temperature of refrigerating chamber does not reach second preset temperature of refrigerating chamber for a long time; Whether the continuous cooling time that the present invention passes through to judge refrigerating chamber can withdraw from refrigeration greater than first scheduled time time control system refrigerating chamber at cooling time and going to the state of preserving moisture greater than first scheduled time (like 30min), avoids the refrigerating chamber load to cause greatly and can not preserve moisture to refrigerating chamber; Therefore; Can guarantee fully effectively preserving moisture of refrigerating chamber, and then improve the fresh-keeping cycle of the food etc. of refrigerating chamber, strengthen the refrigerator market competitiveness.
In addition, the refrigerating chamber of the wind cooling refrigerator according to the above embodiment of the present invention control method of preserving moisture can also have following additional technical characterictic:
In one embodiment of the invention, after the said refrigerating chamber of control gets into the state of preserving moisture, further comprise: begin the refrigerating chamber moisture preserving time is carried out timing and detects second temperature of the evaporimeter of said refrigerating chamber; Judge that whether said refrigerating chamber moisture preserving time is greater than second scheduled time; If said refrigerating chamber moisture preserving time is greater than said second scheduled time; Then said evaporimeter is heated after said second temperature is greater than the 3rd predetermined temperature the said refrigerating chamber of control and withdraw from the state of preserving moisture, withdraw from the state of preserving moisture otherwise when said second temperature is greater than the 3rd predetermined temperature after, control said refrigerating chamber.
Whether the continuous moisture preserving time through judging refrigerating chamber is greater than second scheduled time (like 30min); When the continuous moisture preserving time of refrigerating chamber during greater than second scheduled time; Even second temperature of refrigerator evaporator (evaporimeter Current Temperatures) also is under the 3rd predetermined temperature (evaporimeter withdraws from temperature); This method will be controlled the refrigerator evaporator heating, make its second temperature arrive the 3rd predetermined temperature fast, and then after second temperature of said evaporimeter arrives the 3rd predetermined temperature, withdraw from and preserve moisture.Thus; When other chamber request refrigeration, during like request start refrigeration such as refrigerating chambers, because refrigerating chamber has withdrawed from the state of preserving moisture; Can guarantee that compressor starts smoothly; And then prevent effectively to avoid in the prior art compressor to start to cause other room temperature degree fluctuation excessive, guaranteed that the temperature fluctuation range of other chamber is little, be beneficial to the fresh-keeping of food etc.
According to one embodiment of present invention, said first scheduled time and said second scheduled time are all between [15min, 40min].
According to one embodiment of present invention, said first scheduled time and said second scheduled time are 30min.
According to one embodiment of present invention, said the 3rd predetermined temperature is positioned between [2,4] degree.
According to one embodiment of present invention, said the 3rd predetermined temperature is 3 degree.
In one embodiment of the invention, through the refrigeration defrosting heater said evaporimeter is heated.
Additional aspect of the present invention and advantage part in the following description provide, and part will become obviously from the following description, or recognize through practice of the present invention.
Description of drawings
Above-mentioned and/or additional aspect of the present invention and advantage obviously with are easily understood becoming the description of embodiment from combining figs, wherein:
Fig. 1 is the preserve moisture flow chart of control method of the refrigerating chamber of existing wind cooling refrigerator; With
Fig. 2 is the preserve moisture flow chart of control method of the refrigerating chamber of the wind cooling refrigerator of one embodiment of the invention.
The specific embodiment
Describe embodiments of the invention below in detail, the example of said embodiment is shown in the drawings, and wherein identical from start to finish or similar label is represented identical or similar elements or the element with identical or similar functions.Be exemplary through the embodiment that is described with reference to the drawings below, only be used to explain the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention; It will be appreciated that; The orientation of indications such as term " " center ", " vertically ", " laterally ", " on ", D score, " preceding ", " back ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", " outward " or position relation are for based on orientation shown in the drawings or position relation; only be to describe with simplifying for the ease of describing the present invention; rather than the device or the element of indication or hint indication must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.In addition, term " first ", " second " only are used to describe purpose, and can not be interpreted as indication or hint relative importance.
In description of the invention, need to prove that only if clear and definite regulation and qualification are arranged in addition, term " installation ", " linking to each other ", " connection " should be done broad understanding, for example, can be to be fixedly connected, also can be to removably connect, or connect integratedly; Can be mechanical connection, also can be to be electrically connected; Can be directly to link to each other, also can link to each other indirectly through intermediary, can be the connection of two element internals.For those of ordinary skill in the art, can concrete condition understand above-mentioned term concrete implication in the present invention.
The structure of the wind cooling refrigerator of the refrigerating chamber humidity control method control of the wind cooling refrigerator of the embodiment of the invention roughly comprises: casing, refrigeration system and blower fan.
Wherein, be limited with refrigerating chamber, temperature-changing chamber and refrigerating chamber in the said casing.Refrigeration system comprises the evaporimeter of compressor, refrigerating chamber and the evaporimeter of refrigerating chamber; The wherein evaporimeter of refrigerating chamber and freezer evaporator parallel connection and all connecting with compressor; Thus; Through two-position three way magnetic valve, it still is the evaporimeter of refrigerating chamber that two-position three way magnetic valve VAL as shown in Figure 2 can control the flow through evaporimeter of refrigerating chamber of condensing agent, to realize the refrigeration to refrigerating chamber or refrigerating chamber respectively.Blower fan is two, is separately positioned in refrigerating chamber and the refrigerating chamber, and quickening the gas flow rates of refrigerating chamber and refrigerating chamber, and then the temperature of quickening refrigerating chamber or refrigerating chamber reaches uniformity with fan starting when compressor is to refrigerating chamber or refrigerating chamber refrigeration.
In addition, other structures of above-mentioned wind cooling refrigerator and operation all are known for those of ordinary skills, no longer give unnecessary details here.
Describe according to the refrigerating chamber of the wind cooling refrigerator of the embodiment of the invention control method of preserving moisture below in conjunction with accompanying drawing 2.
As shown in Figure 2, according to the refrigerating chamber of the wind cooling refrigerator of the embodiment of the invention control method of preserving moisture, may further comprise the steps:
The first temperature T r of the refrigerating chamber of step 1, detection refrigerator.In one embodiment of the invention, through the first temperature T r of temperature sensor detection refrigerating chamber, the first temperature T r is the Current Temperatures of refrigerating chamber.
Step 2, the detected first temperature T r and first preset temperature (Trk among the figure is a start point temperature) are compared.
If the said first temperature T r of step 3 more than or equal to the said first preset temperature Trk, then freezes to said refrigerating chamber and begins cooling time is carried out timing.As shown in Figure 2, two-position three way magnetic valve VAL to R side, i.e. refrigerator evaporator work.Refrigerating chamber inner blower R-FAN starts.
Step 4, detect the first temperature T r of said refrigerating chamber once more, and judge whether the said detected once more first temperature T r is less than or equal to second preset temperature (the second preset temperature Trt among the figure is a shutdown point temperature).
If the said detected once more first temperature T r of step 5 is less than or equal to the second preset temperature Trt, then controls said refrigerating chamber and get into the state of preserving moisture, otherwise judge that whether said cooling time Trc is greater than first scheduled time.In examples more of the present invention, first scheduled time advantageously, was selected 30min between [15min, 40min].In conjunction with Fig. 2, promptly judge whether cooling time Trc＞30min.
If the said cooling time Trc of step 6, then controls said refrigerating chamber greater than said first scheduled time (30min) and gets into the state of preserving moisture, otherwise continue said refrigerating chamber refrigeration.
Need to understand, the said first preset temperature Trk is greater than the said second preset temperature Trt, to guarantee correctness in logic.
According to the refrigerating chamber of the wind cooling refrigerator of the embodiment of the invention control method of preserving moisture; When the first temperature T r (Current Temperatures) of refrigerating chamber is lower than the second predetermined temperature Trt (shutdown point a temperature) of refrigerating chamber, the control refrigerating chamber gets into the state of preserving moisture, even bigger in the refrigerating chamber load; The first temperature T r of refrigerating chamber does not reach the second preset temperature Trt of refrigerating chamber for a long time; Whether the continuous cooling time T rc that the present invention passes through to judge refrigerating chamber can withdraw from refrigeration greater than first scheduled time time control system refrigerating chamber at cooling time Trc and going to the state of preserving moisture greater than first scheduled time (like 30min), avoids the refrigerating chamber load to cause greatly and can not preserve moisture to refrigerating chamber; Therefore; Can guarantee fully effectively preserving moisture of refrigerating chamber, and then improve the fresh-keeping cycle of the food etc. of refrigerating chamber, strengthen the refrigerator market competitiveness.
In conjunction with 2, in further embodiment of the present invention, the control method of preserving moisture of the present invention also comprises the steps: after the control refrigerating chamber gets into the state of preserving moisture
Step 1, begin the refrigerating chamber moisture preserving time is carried out timing and detects the second temperature T rd of the evaporimeter of said refrigerating chamber.
Step 2, whether judge said refrigerating chamber moisture preserving time greater than second scheduled time, as shown in Figure 2, in one embodiment of the invention, second scheduled time advantageously, was selected 30min between [15min, 40min].Promptly judge whether moisture preserving time＞30min.
If the said refrigerating chamber moisture preserving time of step 3 is greater than said second scheduled time (30min); Then said evaporimeter is heated after the said second temperature T rd is greater than the 3rd predetermined temperature the said refrigerating chamber of control and withdraw from the state of preserving moisture, withdraw from the state of preserving moisture otherwise when the said second temperature T rd is greater than the 3rd predetermined temperature after, control said refrigerating chamber.As a concrete example, the 3rd temperature preferably, is 3 degree in [2,4] degree scope.In conjunction with Fig. 2, as judge whether second temperature T rd＞3 ℃.In one embodiment of the invention, adopt the refrigeration defrosting heater said evaporimeter to be heated so that its temperature fast rise.
Need to prove that during the evaporimeter refrigeration, temperature is reduced to below 0 ℃; Therefore, when evaporimeter returns to the 3rd predetermined temperature as needing a period of time more than 3 ℃, and evaporimeter is not before reaching the 3rd predetermined temperature; Even the refrigeration request is arranged, compressor can not start.
Thus; Whether the continuous moisture preserving time through judging refrigerating chamber is greater than second scheduled time (like 30min); When the continuous moisture preserving time of refrigerating chamber during greater than second scheduled time; Even second temperature of refrigerator evaporator (evaporimeter Current Temperatures) also is under the 3rd predetermined temperature (evaporimeter withdraws from temperature); This method will be controlled the evaporimeter heating to refrigerating chamber, make its second temperature arrive the 3rd predetermined temperature fast, and then after second temperature of evaporimeter arrives the 3rd predetermined temperature, withdraw from and preserve moisture.Thus; When other chamber request refrigeration, during like request start refrigeration such as refrigerating chambers, because refrigerating chamber has withdrawed from the state of preserving moisture; Can guarantee that compressor starts smoothly; And then prevent effectively to avoid in the prior art compressor to start to cause other room temperature degree fluctuation excessive, guaranteed that the temperature fluctuation range of other chamber is little, be beneficial to the fresh-keeping of food etc.
The refrigerating chamber according to the present invention control method of preserving moisture can either make refrigerating chamber fully preserve moisture, and can guarantee that again each room temperature degree fluctuation of refrigerator is little.And then the insurance cycle and the enhancing refrigerator market competitiveness such as food of raising refrigerator.
In the description of this specification, the description of reference term " embodiment ", " some embodiment ", " 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.
Although illustrated and described embodiments of the invention; Those having ordinary skill in the art will appreciate that: under the situation that does not break away from principle of the present invention and aim, can carry out multiple variation, modification, replacement and modification to these embodiment, scope of the present invention is claim and be equal to and limit.
Claims (7)
1. the refrigerating chamber of the wind cooling refrigerator control method of preserving moisture is characterized in that, may further comprise the steps:
Detect first temperature of the refrigerating chamber of wind cooling refrigerator;
Detected said first temperature and first preset temperature are compared;
If said first temperature more than or equal to said first preset temperature, is then freezed to said refrigerating chamber and is begun cooling time is carried out timing;
Detect first temperature of said refrigerating chamber once more, and judge whether said detected once more first temperature is less than or equal to second preset temperature;
If said detected once more first temperature is less than or equal to second preset temperature, then controls said refrigerating chamber and get into the state of preserving moisture, otherwise judge that whether said cooling time is greater than first scheduled time; And
If said cooling time, is then controlled said refrigerating chamber greater than said first scheduled time and got into the state of preserving moisture, otherwise continue said refrigerating chamber refrigeration,
Wherein, said first preset temperature is greater than said second preset temperature.
2. the control method of preserving moisture according to claim 1 is characterized in that, after the said refrigerating chamber of control gets into the state of preserving moisture, further comprises:
Begin the refrigerating chamber moisture preserving time is carried out timing and detects second temperature of the evaporimeter of said refrigerating chamber;
Judge that whether said refrigerating chamber moisture preserving time is greater than second scheduled time;
If said refrigerating chamber moisture preserving time is greater than said second scheduled time; Then said evaporimeter is heated after said second temperature is greater than the 3rd predetermined temperature the said refrigerating chamber of control and withdraw from the state of preserving moisture, withdraw from the state of preserving moisture otherwise when said second temperature is greater than the 3rd predetermined temperature after, control said refrigerating chamber.
3. the control method of preserving moisture according to claim 2 is characterized in that, said first scheduled time and said second scheduled time are all between [15min, 40min].
4. the control method of preserving moisture according to claim 3 is characterized in that, said first scheduled time and said second scheduled time are 30min.
5. the control method of preserving moisture according to claim 2 is characterized in that, said the 3rd predetermined temperature is positioned between [2,4] degree.
6. according to each described control method of preserving moisture of claim 1-5, it is characterized in that said the 3rd predetermined temperature is 3 degree.
7. according to each described control method of preserving moisture of claim 1-6, it is characterized in that, said evaporimeter is heated through the refrigeration defrosting heater.
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| CN201110297376XA CN102313438B (en) | 2011-09-30 | 2011-09-30 | Moisturizing control method of cold-storage chamber of air-cooled refrigerator |
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| CN201110297376XA CN102313438B (en) | 2011-09-30 | 2011-09-30 | Moisturizing control method of cold-storage chamber of air-cooled refrigerator |
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| CN102313438B CN102313438B (en) | 2013-11-27 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104713308A (en) * | 2013-12-13 | 2015-06-17 | 财团法人工业技术研究院 | Temperature control method and temperature control system applying same |
| CN112731987A (en) * | 2020-12-28 | 2021-04-30 | 江苏拓米洛环境试验设备有限公司 | Temperature control method and device thereof |
| WO2023138318A1 (en) * | 2022-01-19 | 2023-07-27 | 青岛海尔电冰箱有限公司 | Refrigeration and freezing device and control method therefor |
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| JPH10318645A (en) * | 1997-05-16 | 1998-12-04 | Toshiba Corp | Refrigerator |
| CN1553128A (en) * | 2003-06-06 | 2004-12-08 | 博西华家用电器有限公司 | Household temperature and humidity control refrigerator and controlling method thereof |
| CN101937247A (en) * | 2010-03-30 | 2011-01-05 | 合肥美的荣事达电冰箱有限公司 | Air cooling refrigerator as well as moisture-preservation control method and system thereof |
| CN101988724A (en) * | 2009-08-03 | 2011-03-23 | 海尔集团公司 | Refrigerator moisture preservation control method and moisture preserving refrigerator |
| CN102116556A (en) * | 2011-04-01 | 2011-07-06 | 合肥美的荣事达电冰箱有限公司 | Air-cooled refrigerator and control method thereof |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH10318645A (en) * | 1997-05-16 | 1998-12-04 | Toshiba Corp | Refrigerator |
| CN1553128A (en) * | 2003-06-06 | 2004-12-08 | 博西华家用电器有限公司 | Household temperature and humidity control refrigerator and controlling method thereof |
| CN101988724A (en) * | 2009-08-03 | 2011-03-23 | 海尔集团公司 | Refrigerator moisture preservation control method and moisture preserving refrigerator |
| CN101937247A (en) * | 2010-03-30 | 2011-01-05 | 合肥美的荣事达电冰箱有限公司 | Air cooling refrigerator as well as moisture-preservation control method and system thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104713308A (en) * | 2013-12-13 | 2015-06-17 | 财团法人工业技术研究院 | Temperature control method and temperature control system applying same |
| CN104713308B (en) * | 2013-12-13 | 2017-04-12 | 财团法人工业技术研究院 | Temperature control method and temperature control system applying same |
| CN112731987A (en) * | 2020-12-28 | 2021-04-30 | 江苏拓米洛环境试验设备有限公司 | Temperature control method and device thereof |
| WO2023138318A1 (en) * | 2022-01-19 | 2023-07-27 | 青岛海尔电冰箱有限公司 | Refrigeration and freezing device and control method therefor |
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| CN102313438B (en) | 2013-11-27 |
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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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