CN102278848A - Refrigerator - Google Patents
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- CN102278848A CN102278848A CN2011102532907A CN201110253290A CN102278848A CN 102278848 A CN102278848 A CN 102278848A CN 2011102532907 A CN2011102532907 A CN 2011102532907A CN 201110253290 A CN201110253290 A CN 201110253290A CN 102278848 A CN102278848 A CN 102278848A
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Abstract
The invention relates to a refrigerator, which comprises an upper refrigerating chamber, a lower refrigerating chamber and a freezing chamber, wherein the upper refrigerating chamber is positioned at the top of the refrigerator; the lower refrigerating chamber is positioned at the bottom of the refrigerator; the freezing chamber is positioned between the upper refrigerating chamber and the lower refrigerating chamber; an air channel is arranged on the back wall of the freezing chamber; an evaporator and a first fan are arranged in the air channel; an air vent hole is formed in the air channel which is positioned on the side wall of the freezing chamber; and two air outlets of the air channel are communicated with the upper and lower refrigerating chambers by through holes which are formed in heat-preserving partition plates between the freezing chamber and the upper and lower refrigerating chambers. Cold air is conveyed into different refrigerating chambers through the air channel, and food is placed in the different refrigerating chambers according to the optimum preservation temperatures of different kinds of food, so that the nutritive value and moisture of the food cannot be lost.
Description
Technical field
The present invention and a kind of refrigerator are meant a kind of refrigerator that has multiple refrigerating space especially.
Background technology
Air cooling type refrigerator comprises casing and refrigeration unit at least.Wherein refrigeration unit comprises compressor, evaporimeter, capillary, condenser, radiator, fan and air channel.The operation principle of refrigeration unit is: utilize the heat absorption phenomenon in the cold-producing medium states of matter change procedure, make its gas-liquid circulation, constantly heat absorption and heat release is to reach the purpose of refrigeration.Its detailed process is: energising back compressor operating, gaseous refrigerant boil down to high pressure, the condition of high temperature with low-pressure low-temperature enter condenser.Temperature and pressure all descended when the cold-producing medium of high pressure, high temperature passed through capillary, because of the evaporimeter internal pressure is lower than condenser pressure, liquid refrigerant is explosive evaporation immediately in evaporimeter, is sucked by compressor once more after absorbing the gaseous state that heat in the refrigerator air duct becomes low pressure, low temperature.So constantly circulate, and the refrigerator air duct internal heat is constantly transferred to outside the refrigerator body by radiator.After heat is absorbed in the air channel, be cold gas in the air channel,, cold air be blown into refrigerating chamber or the refrigerating chamber each several part that communicates with the air channel, reach the purpose of refrigeration by being arranged at the fan in it.
The most upper strata of current refrigerator is that refrigerating chamber, lower floor are two refrigerating chambers.Wherein the capacity of refrigerating chamber and refrigerating chamber is basic identical.Can't satisfy certain customers thus and like big refrigerating chamber, make food be positioned over different refrigerating chambers, can guarantee that nutritive value of food and moisture do not run off according to the nutritive value temperature requirement.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of refrigerator that has multiple refrigerating space, by the air channel cold air is sent to different refrigerating chambers, optimum storage temperature according to different food products is positioned over different refrigerating chambers with food, realizes thus guaranteeing that nutritive value of food and moisture do not run off.
Refrigerator comprises: refrigerating chamber 22 and the refrigerating chamber between upper and lower refrigerating chamber 23 under refrigerating chamber 21, refrigerator bottom on the refrigerator top;
The refrigerating chamber rear wall is provided with air channel 12, and the evaporimeter 10 and first fan 11 are set in the air channel 12, and the sidewall that air channel 12 is positioned at refrigerating chamber is provided with air vent;
The 12 liang of air outlets in described air channel are communicated with described upper and lower refrigerating chamber by the through hole that is provided with on the thermal-insulation baffle plate 24 between refrigerating chamber and the upper and lower refrigerating chamber.
By last, by the air channel cold air is sent to different refrigerating chambers, according to the optimum storage temperature of different food products food is positioned over different refrigerating chambers, realize thus guaranteeing that nutritive value of food and moisture do not run off.
Optionally, the air outlet place in described air channel 12 is provided with air door 13,14, and air door 13,14 is provided with the air vent towards described upper and lower refrigerating chamber all directions.
By last, realize that the cold air of evaporimeter 10 generations is evenly delivered to upper and lower refrigerating chamber by the air door air vent.
Optionally, described air door is an air lock door, has corresponding air vent on the air lock door, slides between the air lock door or is rotationally connected.
By last, can realize the switching of air door, and make cold air evenly deliver to upper and lower refrigerating chamber during door opening.
Optionally, in described air channel 12, second, third fan is set respectively near two air doors, 13,14 places.
By last, make that cold air is easier in the air channel 12 blows into upper and lower refrigerating chamber, and avoid air door 13,14 sidewall frostings.
Optionally, also comprise the refrigerator main control unit, be electrically connected with described air door 13,14, described first, second, third fan respectively.
By last, can control the rotating speed of above-mentioned three fan.
Optionally, described air channel 12 air vent that is positioned at the sidewall sections setting of refrigerating chamber is lower than away from the air outlet place near the air outlet place density of arranging.
Optionally, the air vent diameter at described close air outlet place is less than the diameter away from air outlet place air vent.
By last, realize that refrigerating chamber can obtain enough cold air, and do not influence the refrigeration of refrigerating chamber.
Optionally, described air channel 12 air outlet that is positioned at refrigerating chamber extends to the refrigerating chamber top and is provided with.
By last, utilize the descending principle of cold air, realize that the cold air air-out is even.
Optionally, described air door 13,14 sidewalls are provided with waterproof membrane.
By last, realize preventing the air door frosting.
Optionally, the air outlet in described air channel 12 is fixed on the thermal-insulation baffle plate 24 by hinge.
By last, realize the fixing of air channel.
Description of drawings
Fig. 1 is the schematic diagram that is used to represent the position relation of overall structure from top view time of refrigerator of the present invention;
Fig. 2 is the schematic diagram that is used to represent the position relation of overall structure when observing from the side of refrigerator of the present invention;
Fig. 3 is the local enlarged diagram of refrigerator air duct air outlet part of the present invention;
Fig. 4 is the structural representation that is used to represent the position relation of overall structure when observing from the side of second embodiment of the invention refrigerator.
The specific embodiment
Specify the refrigerator that has multiple refrigerating space provided by the invention below in conjunction with figure, in the present embodiment, this refrigerator comprises the last refrigerating chamber 21 that is arranged at refrigerator top and is arranged at the following refrigerating chamber 22 of refrigerator bottom, also comprises the refrigerating chamber 23 that is arranged between the upper and lower refrigerating chamber.Between described refrigerating chamber and refrigerating chamber, isolate by thermal-insulation baffle plate 24.
As depicted in figs. 1 and 2, in the refrigerating chamber 23 of refrigerator, be provided with: be fixed in the air channel 12 of the rear board of refrigerating chamber 23, be arranged at the evaporimeter 10 and first fan 11 in this air channel.Be described in detail below.
Wherein, evaporimeter 10 of the present invention adopts evaporator fin, and evaporator fin comprises: evaporator coil, fixed head, some fins and heater.Wherein, fin is used to enlarge refrigeration area, is fixed in the evaporator coil outer wall.The fin both sides are provided with mounting groove, are used for fixing heater.Heater is electrically connected on the refrigerator main control unit, is used to heat evaporator fin and defrosts.
Directly over described evaporimeter 10, it is low pressure fan that described first fan, 11, the first fans 11 are set, and towards the front panel setting of refrigerator, transmits by air channel 12 with the cold air that evaporimeter 10 is produced.Represent the cold air flow direction as the direction of arrow among Fig. 1, Fig. 2.Wherein, first fan 11 is electrically connected on the main control unit of refrigerator, to receive main control unit according to the temperature setting of user to refrigerating chamber 23 or upper and lower refrigerating chamber, controls the rotating speed of first fan 11 according to the instruction of main control unit.
The above-mentioned evaporimeter 10 and first fan 11 are set in the air channel 12 of the present invention, and air channel 12 is provided with air outlet and following air outlet, is separately fixed at the bottom of refrigerating chamber 21 and the tip position of following refrigerating chamber 22.As shown in Figure 4, the fixing means of the air outlet in air channel 12 can be: the through hole that mates with the air outlet external diameter is set in thermal-insulation baffle plate 24, and the air outlet in air channel 12 is delivered to upper and lower refrigerating chamber by described through hole with cold air.12 air outlet top side wall are provided with the fixing hinge 121 of an end and air outlet sidewall in the air channel, and hinge 121 other ends turn to thermal-insulation baffle plate 24 horizontal directions (among Fig. 3 shown in the direction of arrow), by screw 122 or directly paste and fix.
In addition, at two air outlet places, the upper wind door 13 and the lower wind door 14 that can cover each upper and lower air outlet is set respectively also.Described upper wind door 13 and lower wind door 14 can be the curved surface setting, be illustrated in figure 3 as the hemisphere face setting, air vent (not shown) towards upper and lower refrigerating chamber all directions is set on sphere,, avoids concentrating of cold air with being directed in the upper and lower refrigerating chamber everywhere that cold air is evenly dispersed.
In addition, when two air doors are the air door of dull and stereotyped setting, the above-mentioned air vent that still can be provided with towards upper and lower refrigerating chamber all directions, and, can be set to double-layer plate formula air door, the setting of sliding or be rotationally connected, two-layer up and down air door has corresponding air vent, and one deck (as the upper strata) air door can be done corresponding rotation or slip according to the control of the main control unit of refrigerator, with open or closed air door on air vent, promptly increase or reduce throughput.Be understood that the air door for above-mentioned hemisphere face is provided with also can be provided with air lock door, by relatively rotating opening or size closed and then the control air output of the described air lock door of control.Wherein above-mentioned rotation and slip can be passed through motor-driven.
In addition, paste waterproof membrane respectively, prevent that the air vent place of aqueous vapor on air door sidewall and air door from stopping, avoid above-mentioned air lock door frosting and can't open at the sidewall of described upper wind door 13 and lower wind door 14, or the problem of air vent frosting on the air door.
ABS sheet material matter are adopted in air channel 12 among the present invention, the some air vents that distribute of air channel 12 its sidewalls in refrigerating chamber 23 in refrigerating chamber 23, and the penetrable air channel 12 of the cold air that makes evaporimeter 10 be produced enters refrigerating chamber 23.Wherein, intensive in the B zonal ventilation pore size distribution of 12 sidewalls of air channel shown in Fig. 2, and a-quadrant and the pore size distribution of C zonal ventilation are sparse, promptly arrange closely away from air door place air vent, arrange sparse near air door place air vent.Thus, can make to obtain enough cold air, when cold air moves to a-quadrant and C zone, can enter upper and lower refrigerating chamber smoothly at refrigerating chamber 23.And it is bigger that the air vent in the B zone of described air channel 12 sidewalls is provided with diameter, and a-quadrant and C zonal ventilation bore dia are less than B zonal ventilation bore dia.
More excellent, also can be in the air channel 12 air outlet place, second fan and three fan (not shown) are set respectively, its purpose is: make in the air channel 12 that cold air are easier to blow into upper and lower refrigerating chamber, in addition, also can avoid air vent frosting on air door sidewall and the air door.Described second fan and three fan are electrically connected the main control unit of refrigerator.
The main control unit of refrigerator as mentioned above, be electrically connected upper wind door 13 and lower wind door 14, on, 23 temperature sensor in following refrigerating chamber and the refrigerating chamber, first fan 11, second fan and three fan, on it receives, the temperature information that temperature sensor in following refrigerating chamber and the refrigerating chamber 23 is uploaded, according to last, the temperature that is provided with in following refrigerating chamber and the refrigerating chamber 23, control opening or closing of upper wind door 13 and lower wind door 14 respectively, first fan 11, second fan and the various rotation of three fan, so that cold air is delivered to as required, following refrigerating chamber and refrigerating chamber, so that on, following refrigerating chamber and refrigerating chamber 23 reach temperature separately.
Operation principle to refrigerator of the present invention is described below:
After refrigerator powers on, refrigeration unit work.Evaporimeter 10 discharges cold air and carries out heat exchange.The cold air that first fan 11 is discharged evaporimeter 10 is delivered to two air outlets in air channel 12, promptly upper and lower refrigerating chamber.Simultaneously,, make cold air enter refrigerating chamber 23, thus, do not influence the refrigerating chamber refrigeration by air vent because there is air vent in air channel 12 sidewalls.The user can manually set the temperature of upper and lower refrigerating chamber of refrigerator and refrigerating chamber 23.Be arranged at the temperature that the temperature sensor of upper and lower refrigerating chamber detects in this zone and whether reach user's design temperature, if detected temperatures is lower than user's design temperature, then transmit control signal control upper wind door 13 or lower wind door 14 of air damper controller closed.If refrigerating chamber 23 temperature also are lower than user's design temperature, then controller is controlled 11 stalls of first fan.
In addition, also can utilize the descending principle of cold air that air outlet is arranged on refrigerating chamber 21 tip positions, second embodiment of the invention structural representation as shown in Figure 4, wherein, lower wind door 14 is identical with first embodiment, repeats no more herein.For last refrigerating chamber 21, air channel 12 ' is extended to refrigerator top layer dividing plate, promptly go up the dividing plate place of refrigerating chamber 21 tops.The top layer dividing plate be provided with one with the through hole of upper wind door size coupling, upper wind door 13 ' is fixed in described through hole, thus, can make cold air evenly blow into refrigerating chamber 21 along the direction of arrow shown in Fig. 4.
The above only is preferred embodiment of the present invention, and is in order to restriction the present invention, within the spirit and principles in the present invention not all, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a refrigerator is characterized in that, comprising: the last refrigerating chamber (21), the following refrigerating chamber (22) in refrigerator bottom and the refrigerating chamber between upper and lower refrigerating chamber (23) that are positioned at the refrigerator top;
The refrigerating chamber rear wall is provided with air channel (12), and evaporimeter (10) and first fan (11) are set in air channel (12), and the sidewall that air channel (12) are positioned at refrigerating chamber is provided with air vent;
Described air channel (12) two air outlets are gone up the through hole that is provided with by refrigerating chamber with the thermal-insulation baffle plate (24) between the upper and lower refrigerating chamber and are communicated with described upper and lower refrigerating chamber.
2. refrigerator according to claim 1 is characterized in that, the air outlet place of described air channel (12) is provided with air door (13,14), and air door (13,14) is provided with the air vent towards described upper and lower refrigerating chamber all directions.
3. refrigerator according to claim 2 is characterized in that described air door is an air lock door, has corresponding air vent on the air lock door, slides between the air lock door or is rotationally connected.
4. refrigerator according to claim 2 is characterized in that, locates to be provided with respectively second, third fan near two air doors (13,14) in described air channel (12).
5. refrigerator according to claim 4 is characterized in that, also comprises the refrigerator main control unit, is electrically connected with described air door (13,14), described first, second, third fan respectively.
6. refrigerator according to claim 1 is characterized in that, the air vent that described air channel (12) are positioned at the sidewall sections setting of refrigerating chamber is lower than away from the air outlet place near the air outlet place density of arranging.
7. refrigerator according to claim 6 is characterized in that, the air vent diameter at described close air outlet place is less than the diameter away from air outlet place air vent.
8. refrigerator according to claim 1 is characterized in that, the air outlet that described air channel (12) are positioned at refrigerating chamber extends to the setting of refrigerating chamber top.
9. according to claim 2 or 3 described refrigerators, it is characterized in that described air door (13,14) sidewall is provided with waterproof membrane.
10. refrigerator according to claim 1 is characterized in that, the air outlet of described air channel (12) is fixed on the thermal-insulation baffle plate (24) by hinge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110253290.7A CN102278848B (en) | 2011-08-30 | 2011-08-30 | Refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110253290.7A CN102278848B (en) | 2011-08-30 | 2011-08-30 | Refrigerator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102278848A true CN102278848A (en) | 2011-12-14 |
| CN102278848B CN102278848B (en) | 2016-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110253290.7A Active CN102278848B (en) | 2011-08-30 | 2011-08-30 | Refrigerator |
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| CN (1) | CN102278848B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104266431A (en) * | 2014-09-25 | 2015-01-07 | 合肥华凌股份有限公司 | Refrigerator |
| CN104266433A (en) * | 2014-10-08 | 2015-01-07 | 合肥美的电冰箱有限公司 | Refrigerator |
| CN104279808A (en) * | 2013-07-09 | 2015-01-14 | 海尔集团公司 | Direct cooling refrigerator |
| CN105371550A (en) * | 2014-08-18 | 2016-03-02 | 三星电子株式会社 | Refrigerator |
| CN109357461A (en) * | 2018-09-19 | 2019-02-19 | 安徽康佳同创电器有限公司 | A kind of constant temperature refrigerator using axial-flow fan |
| CN114152016A (en) * | 2021-11-24 | 2022-03-08 | 肇庆高新区得宝食品有限公司 | Quick refrigeration and freezing equipment for food |
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| US5187950A (en) * | 1992-02-28 | 1993-02-23 | Weldon Mark P | Door mounted cooling apparatus |
| JPH11223451A (en) * | 1998-02-09 | 1999-08-17 | Sharp Corp | Refrigerator and cooling mechanism |
| JP2005037120A (en) * | 2003-07-15 | 2005-02-10 | Carrier-Lg Co Ltd | Refrigerator |
| CN2729599Y (en) * | 2004-09-08 | 2005-09-28 | 苏州三星电子有限公司 | Single system three-temp area electric refrigerator |
| CN101382372A (en) * | 2007-09-07 | 2009-03-11 | 日立空调·家用电器株式会社 | Electrical refrigerator |
| CN101839602A (en) * | 2009-03-20 | 2010-09-22 | 海尔集团公司 | Refrigeration device and temperature control method of cold rooms thereof |
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2011
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US5187950A (en) * | 1992-02-28 | 1993-02-23 | Weldon Mark P | Door mounted cooling apparatus |
| JPH11223451A (en) * | 1998-02-09 | 1999-08-17 | Sharp Corp | Refrigerator and cooling mechanism |
| JP2005037120A (en) * | 2003-07-15 | 2005-02-10 | Carrier-Lg Co Ltd | Refrigerator |
| CN2729599Y (en) * | 2004-09-08 | 2005-09-28 | 苏州三星电子有限公司 | Single system three-temp area electric refrigerator |
| CN101382372A (en) * | 2007-09-07 | 2009-03-11 | 日立空调·家用电器株式会社 | Electrical refrigerator |
| CN101839602A (en) * | 2009-03-20 | 2010-09-22 | 海尔集团公司 | Refrigeration device and temperature control method of cold rooms thereof |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104279808A (en) * | 2013-07-09 | 2015-01-14 | 海尔集团公司 | Direct cooling refrigerator |
| CN104279808B (en) * | 2013-07-09 | 2016-11-09 | 海尔集团公司 | Direct cooling refrigerator |
| CN105371550A (en) * | 2014-08-18 | 2016-03-02 | 三星电子株式会社 | Refrigerator |
| CN104266431A (en) * | 2014-09-25 | 2015-01-07 | 合肥华凌股份有限公司 | Refrigerator |
| CN104266433A (en) * | 2014-10-08 | 2015-01-07 | 合肥美的电冰箱有限公司 | Refrigerator |
| CN104266433B (en) * | 2014-10-08 | 2018-03-16 | 合肥美的电冰箱有限公司 | Refrigerator |
| CN109357461A (en) * | 2018-09-19 | 2019-02-19 | 安徽康佳同创电器有限公司 | A kind of constant temperature refrigerator using axial-flow fan |
| CN114152016A (en) * | 2021-11-24 | 2022-03-08 | 肇庆高新区得宝食品有限公司 | Quick refrigeration and freezing equipment for food |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102278848B (en) | 2016-06-08 |
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