CN201992929U - Air-cooled refrigerator - Google Patents
Air-cooled refrigerator Download PDFInfo
- Publication number
- CN201992929U CN201992929U CN2011200982878U CN201120098287U CN201992929U CN 201992929 U CN201992929 U CN 201992929U CN 2011200982878 U CN2011200982878 U CN 2011200982878U CN 201120098287 U CN201120098287 U CN 201120098287U CN 201992929 U CN201992929 U CN 201992929U
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- Prior art keywords
- air
- air duct
- air channel
- cover plate
- evaporimeter
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Abstract
The utility model provides an air-cooled refrigerator, which comprises a refrigerator body, a door body, a compressor, an evaporator and a fan, wherein an air duct cover plate is arranged on the inner side of the rear wall of the refrigerator body; air duct foam is arranged on the inner side of the air duct cover plate; a plurality of air outlets are arranged at the upper parts of the air duct foam and the air duct cover plate; a plurality of air return ports are arranged at the lower parts of the air duct foam and the air duct cover plate; the air duct cover plate and the air duct foam form an air duct; the air duct comprises an air feeding air duct and an air return air duct; one or more rooms are defined in the refrigerator body; the door body is connected with the refrigerator body; the compressor is positioned at the bottom of the refrigerator body; the evaporator is arranged in the air duct foam and the air duct cover plate; and the fan is arranged at the position close to the evaporator and is in a normally-open state. By using the air-cooled refrigerator, the humidity index of the air-cooled refrigerator can be improved, so that the humidity in the refrigerator meets the high moisture and fresh retaining storage requirement for fruits and vegetables, the storage time of the fruits and vegetables is improved, and the edible value of the fruits and vegetables is improved.
Description
Technical field
The utility model relates to refrigeration plant design and manufacturing technology field, particularly a kind of wind cooling refrigerator.
Background technology
Along with the raising of people's living standard, refrigeration plants such as refrigerator have become the necessity of people's daily life.Wherein, wind cooling refrigerator is meant and relies on the forced convertion mode to realize the refrigeration plant that freezes.Because the evaporimeter that uses of wind cooling refrigerator is finned evaporator, frosting easily on the fin, the frosting meeting influences the refrigeration of refrigerator, so the general defrosting heater that is equipped with in evaporator surface or bottom regularly melts frost on the evaporimeter.The running control mode of blower fan, compressor and defrosting heater as shown in Figure 1.The control of blower fan comprises two kinds of schemes: blower fan and compressor run-in synchronism, and when compressor start, blower fan is entry into service also, and when compressor stopped, blower fan also shut down; The asynchronous running of blower fan and compressor, when compressor start, blower fan shifts to an earlier date or the running of time-delay certain hour, is generally time-delay, and for example 1 minute, during compressor shutdown, blower fan shifted to an earlier date or the time-delay certain hour shuts down, and is generally time-delay, for example 3 minutes.At all after dates of several start-stops of compressor operating, refrigerator enters the defrost state, then opens defrosting heater this moment, and work certain hour (for example 20 minutes) defrosts, and blower fan and compressor all are closed condition during the defrosting.
The Defrost mode of above-mentioned traditional wind cooling refrigerator, because cold air carries out the forced convertion circulation in the wind cooling refrigerator case, easily dehydration is air-dry to cause the fruit and vegetable of refrigeration in the case easily.Therefore, the medial humidity in the traditional wind cooling refrigerator, case only can maintain about 50% even lower.Yet, reach the fruit and vegetable antistaling storing of preserving moisture, generally require humidity to remain on about 80%--90%.Because contain a large amount of moisture in the fruits and vegetables, be the necessary condition of keeping fruit vital movement and fresh quality.Fruits and vegetables after the harvesting can not be again obtain the supply of moisture from parent, in the long-term storage process, and transpiring moisture gradually.Its drying loss of most fruits vegetables (loss in weight) surpasses at 5% o'clock, the obvious symbol that freshness such as will occur withering descends.Particularly fruit just can not restore to the original state when reach 5% in consumption after.The water evaporates of fruits and vegetables is because respiration gives out portion of water on the one hand; The air humidity that is the storage environment on the other hand is low excessively, causes that fruits and vegetables are withered, reduced edibility.
The utility model content
The purpose of this utility model is intended to solve at least one of above-mentioned technological deficiency, proposes a kind of interior humidity of case and low wind cooling refrigerator of production cost that improves wind cooling refrigerator especially.
For this reason, embodiment of the present utility model is to propose a kind of wind cooling refrigerator, comprise casing, the air channel cover plate is arranged, the air channel foam is arranged in the installed inside of described air channel cover plate in the rear wall installed inside of described casing, top at described air channel foam and described air channel cover plate is provided with a plurality of air outlets, the bottom is provided with a plurality of return air inlets, and described air channel cover plate and air channel foam form the air channel, wherein, described air channel comprises supply air duct and return airway, is limited with one or more chambers in described casing; The door body, the described casing of described Men Tiyu links to each other; Compressor, described compressor is positioned at the bottom of described casing; Evaporimeter, described evaporimeter are installed in described air channel foam and the described air channel cover plate; Blower fan, described blower fan are installed in the position of contiguous described evaporimeter, and wherein said blower fan is a normally open, and described blower fan utilization is defrosted to described evaporimeter by described return air inlet inhaled air.
Wind cooling refrigerator according to the utility model embodiment, blower fan is made as normally open, thereby the heat exchange that the temperature difference of air that can be by a chamber and evaporimeter produces adopts nature defrost mode to defrost to evaporimeter, thereby can improve the humidity index of wind cooling refrigerator, medial humidity can reach more than 80%, and high humility can reach more than 90%.Thereby can antistaling storing requirement so that the height that the humidity in the case reaches fruit and vegetable is preserved moisture, improved storage time and the edibility of fruit and vegetable.And the wind cooling refrigerator that the utility model provides need not defrosting heater, thereby has reduced the manufacturing cost of product.
In an embodiment of the present utility model, described blower fan is positioned at the top of described evaporimeter.
In an embodiment of the present utility model, after described compressor was out of service, the temperature of the air of described chamber was higher than the temperature of described evaporator surface.
In an embodiment of the present utility model, the temperature of described indoor air is 2～10 ℃.
Aspect that the utility model is additional and advantage part in the following description provide, and part will become obviously from the following description, or recognize by practice of the present utility model.
Description of drawings
Above-mentioned and/or additional aspect of the utility model and advantage are from obviously and easily understanding becoming the description of embodiment below in conjunction with accompanying drawing, wherein:
Fig. 1 is the working curve diagram of defrosting heater, blower fan and the compressor of traditional wind cooling refrigerator;
Fig. 2 is the structural representation according to the wind cooling refrigerator of the utility model embodiment;
Fig. 3 is according to the blower fan of the utility model embodiment and the working curve diagram of compressor; With
Fig. 4 is the performance indications schematic diagram according to humidity in the case of the utility model embodiment.
The specific embodiment
Describe embodiment of the present utility model below in detail, the example of described 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.Below by the embodiment that is described with reference to the drawings is exemplary, only is used to explain the utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " vertically ", " laterally ", " on ", D score, " preceding ", " back ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", close the orientation of indications such as " outward " or position is based on orientation shown in the drawings or position relation, only be the utility model and simplification description for convenience of description, rather than the device or the element of indication or hint indication must have specific orientation, therefore orientation structure and operation with specific can not be interpreted as restriction of the present utility model.
In description of the present utility model, need to prove, unless otherwise prescribed and limit, term " installation ", " linking to each other ", " connection " should be done broad understanding, for example, can be mechanical connection or electrical connection, also can be the connection of two element internals, can be directly to link to each other, and also can link to each other indirectly by intermediary, for the ordinary skill in the art, can understand the concrete implication of above-mentioned term as the case may be.
Below with reference to the wind cooling refrigerator 1000 of Fig. 2 description according to the utility model embodiment.
As shown in Figure 2, the blower fan 500 that comprises casing 100, a body 200 that links to each other with casing 100, the compressor 300 that is positioned at casing 100 bottoms, evaporimeter 400 and contiguous evaporimeter 400 according to the wind cooling refrigerator 1000 of the utility model embodiment.
Rear wall inboard (right side among Fig. 2) at casing 100 is equipped with air channel cover plate 120, inboard (left side among Fig. 2) at air channel cover plate 120 is equipped with air channel foam 110, be provided with a plurality of air outlets 600 on the top of air channel foam 110 and air channel cover plate 120, the bottom is provided with a plurality of return air inlets 700, air channel cover plate 120 and the air channel foam 100 common air channels that form.The air channel comprises superposed supply air duct and is positioned at the return airway of bottom.And 100 are limited with one or more chambers in casing.
As shown in Figure 3, after blower fan 500 powers on, remain on duty always.At compressor 300 duration of works and stopping period, blower fan 500 is a duty always.Blower fan 500 utilizes and by return air inlet 700 inhaled airs evaporimeter 400 is defrosted.
In each compressor 300 back out of service (promptly shutting down the back), evaporimeter 400 no longer provides cold, because ambient temperature is higher than wind cooling refrigerator 1000 temperature inside, the temperature inside the box begins to rise.Evaporimeter 400 can be finned evaporator, frosting easily on the fin.Because there is frost on the surface of evaporimeter 400, temperature is lower than zero degree, thereby the temperature of an indoor air is higher than the temperature on evaporimeter 400 surfaces.Wherein, the temperature of an indoor air is generally 2～10 ℃.And this moment, blower fan 500 be an operating condition, thus can with between indoor air with higher temperature from return air inlet 700 suction and the evaporimeters 400 of flowing through.Because there is frost on the surface of evaporimeter 400, temperature is lower than zero degree, has temperature difference with the air by return air inlet 700 inlet flow warps, thereby produces heat exchange, and the frost layer on evaporimeter 400 surfaces melts gradually.Since all can be between the down period in each start-stop cycle that compressor 300 moves to evaporimeter 400 defrostings, the frost layer on the evaporimeter 400 is generally thinner.In an embodiment of the present utility model, the frost layer of shutting down about 15 minutes finisher 400 surfaces at compressor 300 can melt fully.Blower fan 500 sucks the moisture behind the white melting layer on evaporimeters 400 surfaces, and for example tiny globule or steam, and moisture blown out from air outlet 600 are indoor between delivering to, thereby can improve the humidity in the case.Circulation can keep chamber humidity for a long time in to maintain higher scope so repeatedly, and the medial humidity in its raising middle flask can reach more than 80%, and the interior high humility of case can reach more than 90%, and effect is remarkable.Adopt the wind cooling refrigerator of the utility model embodiment, can improve storage time and the edibility of fruit and vegetable so that the humidity in the case reaches the height of fruit and vegetable the antistaling storing requirement of preserving moisture.
In addition, the moisture that is not sucked by blower fan 500 in the defrost process is collected by the evaporimeter drip tray 410 that is positioned at evaporimeter 400 belows along the fin and the pipeline drippage of evaporimeter 400, finally discharges the defrost water through discharge outlet 800.Defrost water enters compressor drip tray 310, utilizes the heat of high temperature of compressor 300 to accelerate water evaporates.
Fig. 4 shows the performance test schematic diagram of humidity in the case of the wind cooling refrigerator that the utility model embodiment is provided.As shown in Figure 4, curve 1 is the power curve of wind cooling refrigerator, curve 2 be wind cooling refrigerator between the temperature curve of chamber, curve 3 is the moisture curve of the fruit and vegetable box (for example refrigerating chamber diapire) of wind cooling refrigerator, curve 4 is the moisture curve at the refrigerating chamber center of wind cooling refrigerator.As can be seen from Figure 4, the wind cooling refrigerator that adopts the utility model embodiment to provide, the humidity of a chamber is the highest can be reached more than 90%, and medial humidity can reach more than 80%.
Wind cooling refrigerator according to the utility model embodiment, blower fan is made as normally open, thereby the heat exchange that the temperature difference of air that can be by a chamber and evaporimeter produces adopts nature defrost mode to defrost to evaporimeter, thereby can improve the humidity index of wind cooling refrigerator, can antistaling storing requirement so that the height that the humidity in the case reaches fruit and vegetable is preserved moisture, improved storage time and the edibility of fruit and vegetable.And the wind cooling refrigerator of the utility model embodiment need not defrosting heater, thereby has reduced the manufacturing cost of product.
In the description of this specification, concrete feature, structure, material or characteristics that the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means in conjunction with this embodiment or example description are contained at least one embodiment of the present utility model or the example.In this manual, the schematic statement to above-mentioned term not necessarily refers to identical embodiment or example.And concrete feature, structure, material or the characteristics of description can be with the suitable manner combination in any one or more embodiment or example.
Although illustrated and described embodiment of the present utility model, for the ordinary skill in the art, be appreciated that under the situation that does not break away from principle of the present utility model and spirit and can carry out multiple variation, modification, replacement and modification that scope of the present utility model is by claims and be equal to and limit to these embodiment.
Claims (4)
1. a wind cooling refrigerator is characterized in that, comprising:
Casing, rear wall installed inside at described casing has the air channel cover plate, installed inside at described air channel cover plate has the air channel foam, top at described air channel foam and described air channel cover plate is provided with a plurality of air outlets, the bottom is provided with a plurality of return air inlets, and described air channel cover plate and air channel foam form the air channel, wherein, described air channel comprises supply air duct and return airway, is limited with one or more chambers in described casing;
The door body, the described casing of described Men Tiyu links to each other;
Compressor, described compressor is positioned at the bottom of described casing;
Evaporimeter, described evaporimeter are installed in described air channel foam and the described air channel cover plate; With
Blower fan, described blower fan are installed in the position of contiguous described evaporimeter, and wherein said blower fan is a normally open, and described blower fan utilization is defrosted to described evaporimeter by described return air inlet inhaled air.
2. wind cooling refrigerator as claimed in claim 1 is characterized in that described blower fan is positioned at the top of described evaporimeter.
3. wind cooling refrigerator as claimed in claim 1 is characterized in that, after described compressor was out of service, the temperature of the air of described chamber was higher than the temperature of described evaporator surface.
4. wind cooling refrigerator as claimed in claim 3 is characterized in that, the temperature of described indoor air is 2～10 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200982878U CN201992929U (en) | 2011-04-01 | 2011-04-01 | Air-cooled refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200982878U CN201992929U (en) | 2011-04-01 | 2011-04-01 | Air-cooled refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201992929U true CN201992929U (en) | 2011-09-28 |
Family
ID=44669415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200982878U Expired - Lifetime CN201992929U (en) | 2011-04-01 | 2011-04-01 | Air-cooled refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201992929U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102788465A (en) * | 2012-07-18 | 2012-11-21 | 合肥华凌股份有限公司 | Refrigerator |
| CN105674681A (en) * | 2016-01-20 | 2016-06-15 | 青岛海尔股份有限公司 | Air-cooling refrigerator and defrosting control method for evaporator of air-cooling refrigerator |
| CN109974366A (en) * | 2019-03-22 | 2019-07-05 | 青岛海尔电冰箱有限公司 | Wind cooling refrigerator |
| CN113983753A (en) * | 2021-10-08 | 2022-01-28 | 珠海格力电器股份有限公司 | Food material fresh-keeping control method and device and refrigeration equipment |
-
2011
- 2011-04-01 CN CN2011200982878U patent/CN201992929U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102788465A (en) * | 2012-07-18 | 2012-11-21 | 合肥华凌股份有限公司 | Refrigerator |
| CN105674681A (en) * | 2016-01-20 | 2016-06-15 | 青岛海尔股份有限公司 | Air-cooling refrigerator and defrosting control method for evaporator of air-cooling refrigerator |
| CN109974366A (en) * | 2019-03-22 | 2019-07-05 | 青岛海尔电冰箱有限公司 | Wind cooling refrigerator |
| CN113983753A (en) * | 2021-10-08 | 2022-01-28 | 珠海格力电器股份有限公司 | Food material fresh-keeping control method and device and refrigeration equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: HEFEI MIDEA REFRIGERATOR CO., LTD. Free format text: FORMER NAME: HEFEI MEDIA RONGSHIDA REFRIGERATOR CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 230601 Hefei Changjiang Road, Anhui, No. 669 Patentee after: Hefei Midea Refrigerator Co., Ltd. Patentee after: Hefei Hualing Co., Ltd. Address before: 230601 Hefei Changjiang Road, Anhui, No. 669 Patentee before: Hefei Media Rongshida Refrigerator Co., Ltd. Patentee before: Hefei Hualing Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20110928 |
|
| CX01 | Expiry of patent term |