CN102278847B - Direct cooling refrigerator - Google Patents
Direct cooling refrigerator Download PDFInfo
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- CN102278847B CN102278847B CN 201110244584 CN201110244584A CN102278847B CN 102278847 B CN102278847 B CN 102278847B CN 201110244584 CN201110244584 CN 201110244584 CN 201110244584 A CN201110244584 A CN 201110244584A CN 102278847 B CN102278847 B CN 102278847B
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- compensating heater
- direct cooling
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Abstract
The invention provides a direct cooling refrigerator comprising a refrigerating chamber evaporator, a freezing chamber evaporator, one or more condensers, a compressor, a compensating heater and a control circuit, wherein the compensating heater is used for heating the refrigerating chamber evaporator and the control circuit is used for controlling the compressor and starting the compensating heater so as to heat the refrigerating chamber evaporator when the compressor starts or the fast refrigeration is carried out by the direct cooling refrigerator. In the embodiment of the invention, the low temperature compensation for the compressor can be realized through the compensating heater; the refrigerating chamber evaporator can be heated through the compensating heater when the fast refrigeration is carried out by the direct cooling refrigerator; and therefore, the temperature of a refrigerating chamber is stabilized.
Description
Technical field
The present invention relates to field of domestic appliances manufacture technology, particularly a kind of direct cooling refrigerator.
Background technology
At present, refrigerator generally is divided into direct-cooling type and two kinds of refrigeration modes of indirect-cooling.Wherein, direct cooling refrigerator is to utilize the mode of natural convection air in the refrigerator to come cooling food.Because evaporimeter usually is installed in refrigerator top, the evaporimeter ambient air will produce heat exchange with evaporimeter, and air is the heat transferred evaporimeter, and evaporimeter passes to air to cold.And behind the absorption of air cold, temperature descends, and density increases, and moves downward.The air of bottom will produce heat exchange with the food that is cooled in the refrigerator, and food is the heat transferred air, after air obtains heat, and temperature recovery, density reduces, and rises to again around the evaporimeter, the heat transferred evaporimeter.Thereby cold and hot air free convection circularly like this reaches the refrigeration purpose.
Yet common direct-cooled mechanical refrigerator does not have the quick-frozen function at present, only has the computer refrigerator to have the quick-frozen function, and the refrigerating capacity of common direct-cooled mechanical refrigerator is very little, only is satisfied with 4.5kg/100L.Yet computer refrigerator cost is higher, and price is also very high, therefore can't satisfy the low side consumer has quick-frozen function and big refrigerating capacity simultaneously to low-cost refrigerator demand.
Summary of the invention
The present invention is intended to solve at least one of technical problem that exists in the prior art, solves particularly that direct-cooled mechanical refrigerator does not have the defective of quick-frozen function and big refrigerating capacity in the prior art.
The embodiment of the invention has proposed a kind of direct cooling refrigerator, comprising: refrigerator evaporator and freezer evaporator; One or more condensers; Compressor, described compressor and described refrigerator evaporator, freezer evaporator and one or more condenser are interconnected; Compensating heater, described compensating heater are used for described refrigerator evaporator is heated; And control circuit, described control circuit links to each other with described compensating heater with described compressor respectively, described control circuit is used for described compressor is controlled, and starts described compensating heater so that described refrigerator evaporator is heated when described compressor start or described direct cooling refrigerator carry out fast-refrigerating.
In an embodiment of the present invention, can either realize also when direct cooling refrigerator carries out fast-refrigerating, heating low temp compensating to compressor to refrigerator evaporator by compensating heater by compensating heater, thereby stablize the temperature of refrigerating chamber.The direct cooling refrigerator refrigeration that just can under the non-stop-machine situation of compressor, continue refrigerating chamber like this, thus realize fast-refrigerating.And, in an embodiment of the present invention, owing to can under the constant prerequisite of Keep cool room temperature, realize the continuous firing of compressor, therefore also can improve the refrigerating capacity of direct cooling refrigerator, the refrigerating capacity of the direct cooling refrigerator of the embodiment of the invention is 16kg/100L by existing 4.5kg/100L lifting after testing.
In one embodiment of the invention, described compensating heater and described compressor are connected in series.
In one embodiment of the invention, described control circuit comprises: temperature controller, and described temperature controller links to each other with described compressor, and described temperature controller is controlled described compressor; The temperature control magnetic switch, described temperature control magnetic switch is connected between described temperature controller and the described compensating heater, and described temperature control magnetic switch is controlled described compensating heater described refrigerator evaporator is heated that described compressor is carried out low temp compensating when described compressor start; And timer, described timer is connected between described temperature controller and the described compensating heater, and described timer is controlled described compensating heater and heated with Keep cool room temperature stable to described refrigerator evaporator when described direct cooling refrigerator carries out fast-refrigerating.Wherein, also comprise the quick-frozen knob, the rotation scale of described quick-frozen knob was set according to the quick-frozen time.Particularly, described timer starts after the quick-frozen knob is opened, and the setting value of described timer is associated with the angle that the quick-frozen knob rotates, and described timer disconnects described compensating heater above described timer after the described setting value.
By in the embodiment of the invention timer being associated with the quick-frozen knob, timer just can be regulated the temperature of refrigerating chamber according to the quick-frozen time that user's needs are set, thereby guarantee that temperature of refrigerating chamber acute variation can not take place in the quick-frozen stage, thereby further improved control accuracy.
In one embodiment of the invention, described condenser is two, is connected with dew eliminating tube between described two condensers.
In one embodiment of the invention, also comprise: overload protective device, described overload protective device are connected between described temperature controller and the described compressor, and described overload protective device carries out overload protection to described compressor.
In one embodiment of the invention, also comprise: environment temperature sensor, described environment temperature sensor links to each other with described temperature control magnetic switch, described environment temperature sensor testing environment temperature, described temperature control magnetic switch closure heats described refrigerator evaporator to control described compensating heater when described environment temperature is lower than threshold value.In embodiments of the present invention, can avoid the problem that compressor can't start at low temperatures occurring by the cooperation of environment temperature sensor and temperature control magnetic switch, improve the reliability of direct cooling refrigerator.
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 by practice of the present invention.
Description of drawings
Above-mentioned and/or additional aspect of the present invention and advantage are from obviously and easily understanding becoming the description of embodiment in conjunction with following accompanying drawing, wherein:
Shown in Figure 1, be the structure chart of the direct cooling refrigerator refrigeration system of the embodiment of the invention;
Shown in Figure 2, be the control circuit schematic diagram of the embodiment of the invention;
Shown in Figure 3, carry out the schematic diagram of low temp compensating when closed for embodiment of the invention temperature control magnetic switch;
Shown in Figure 4, the schematic diagram when working for embodiment of the invention timer.
The specific embodiment
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, and wherein identical or similar label is represented identical or similar elements or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment that is described with reference to the drawings, only be used for explaining the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention, term " vertically ", " laterally ", " on ", close the orientation of indications such as D score, " preceding ", " back ", " left side ", " right side ", " vertically ", " level ", " top ", " end " or position is based on orientation shown in the drawings or position relation, only be the present invention for convenience of description rather than require the present invention therefore can not be interpreted as limitation of the present invention with specific orientation structure and operation.
As shown in Figure 1, be the structure chart of the direct cooling refrigerator refrigeration system of the embodiment of the invention.This direct cooling refrigerator comprises refrigerator evaporator 100, freezer evaporator 200, the compressor 300 that links to each other with refrigerator evaporator 100, first condenser 400, second condenser 500, is connected dew eliminating tube 600, device for drying and filtering 700, return-air heat exchanger 800 and capillary 900 between first condenser 400 and second condenser 500.Wherein, as shown in the figure, be interconnected between compressor 300 and refrigerator evaporator 100, freezer evaporator 200, first condenser 400, second condenser 500.In this embodiment, this direct cooling refrigerator also comprises compensating heater 1000 and control circuit 1100.Wherein, compensating heater 1000 is used for refrigerator evaporator 100 is heated.In one embodiment of the invention, compensating heater 1000 can obedient spread on the surface of refrigerator evaporator 100, for example coil pipe side.Certainly compensating heater 1000 can also be arranged on other positions, perhaps contact with refrigerator evaporator 100 by other means, as long as can heat refrigerator evaporator 100.Control circuit 1100 links to each other with compensating heater 1000 with compressor 300 respectively, control circuit 1100 is used for compressor 300 is controlled, namely after refrigerating chamber and/or freezer temperature do not meet the demands, for example temperature too high after, control compressor 300 starts.Control circuit 1100 also is used for starting or direct cooling refrigerator starts compensating heater 1000 when carrying out fast-refrigerating so that refrigerator evaporator 100 is heated at compressor 300, thereby guarantees that when carrying out fast-refrigerating refrigerating chamber is in metastable temperature.In addition, by the embodiment of the invention, compressor 300 can carry out work constantly so that refrigeration continuously and healthily to be provided, and causes compressor 300 often to be shut down and need not to control temperature of refrigerating chamber, therefore the life-span that also can improve compressor.
In an embodiment of the present invention, can either realize low temp compensating to compressor 300 by compensating heater 1000, also can when direct cooling refrigerator carries out fast-refrigerating, heat by 1000 pairs of refrigerator evaporators 100 of compensating heater, thereby stablize the temperature of refrigerating chamber.The direct cooling refrigerator refrigeration that just can under the non-stop-machine situation of compressor, continue refrigerating chamber like this, thus realize fast-refrigerating.And, in an embodiment of the present invention, owing to can under the constant prerequisite of Keep cool room temperature, realize the continuous firing of compressor 300, therefore in the life-span that also can improve refrigerating capacity and the compressor 300 of direct cooling refrigerator, the refrigerating capacity of the direct cooling refrigerator of the embodiment of the invention is 16kg/100L by existing 4.5kg/100L lifting after testing.
As shown in Figure 2, be the control circuit schematic diagram of the embodiment of the invention.As can be seen from Figure 2, compensating heater 1000 and compressor 400 are connected in series, all the control of controlled circuit 1100.Wherein, control circuit 1100 comprises attaching plug 1110, temperature controller 1120, temperature control magnetic switch 1130, timer 1140, overload protective device 1150, operation electric capacity 1160, starter 1170, lamp switch 1180 and illuminating lamp 1190.Below only part related to the present invention in the control circuit 1100 is described in detail, lamp switch 1180 and illuminating lamp 1190 etc. is thought and is not repeated them here present known technology.Wherein, temperature controller 1120 links to each other with compressor 300, can control compressor 300 by temperature controller 1120, for example, after refrigerating chamber and/or refrigerating chamber degree do not meet the demands, for example temperature too high after, control compressor 300 starts, perhaps, refrigerating chamber and/or refrigerating chamber degree temperature cross low after, control compressor 300 cuts out.Temperature control magnetic switch 1130 is connected between temperature controller 1120 and the compensating heater 1000, temperature control magnetic switch 1130 heats that at 1000 pairs of refrigerator evaporators 100 of compressor 300 startup control compensating heater processed compressor 300 is carried out low temp compensating, thereby avoids compressor because outdoor temperature is crossed low and can't be started.Carry out the schematic diagram of low temp compensating during as shown in Figure 3, for embodiment of the invention temperature control magnetic switch closure.
In one embodiment of the invention, this direct cooling refrigerator also comprises environment temperature sensor.Wherein, environment temperature sensor links to each other with temperature control magnetic switch 1130, environment temperature sensor is for detection of environment temperature, and temperature control magnetic switch 1130 closures heat with 1000 pairs of refrigerator evaporators 100 of control compensating heater when environment temperature is lower than threshold value.In embodiments of the present invention, can avoid the problem that compressor can't start at low temperatures occurring by the cooperation of environment temperature sensor and temperature control magnetic switch, improve the reliability of direct cooling refrigerator.
In this embodiment, timer 1140 is connected between temperature controller 1120 and the compensating heater 1000, and timer 1140 is controlled 1000 pairs of refrigerator evaporators 100 of compensating heater and heated with Keep cool room temperature stable when direct cooling refrigerator carries out fast-refrigerating.Wherein, in one embodiment of the invention, this direct cooling refrigerator also comprises the quick-frozen knob, and this quick-frozen knob can be arranged on refrigeration chamber courage inboard, regulates for the user.Certainly in other embodiments of the invention, also can select other adjusting device.Wherein, the rotation scale of quick-frozen knob was set according to the quick-frozen time, and for example the quick-frozen time of every scale correspondence is 5 minutes.Particularly, timer 1140 starts after the quick-frozen knob is opened, and the setting value of timer 1140 is associated with the angle of quick-frozen knob rotation, and timer 1140 is surpassing setting value timer 1140 disconnection compensating heaters 1000 afterwards.For example, the quick-frozen time that the user selects is 10 minutes, then the setting value of timer 1140 just is 10 minutes, and timer 1140 was controlled 1000 pairs of refrigerator evaporators 100 of compensating heater and heated within these 10 minutes, to guarantee that temperature of refrigerating chamber keeps stable in the meantime.Schematic diagram when working for embodiment of the invention timer as shown in Figure 4.
By in the embodiment of the invention timer being associated with the quick-frozen knob, timer just can be regulated the temperature of refrigerating chamber according to the quick-frozen time that user's needs are set, thereby guarantee that temperature of refrigerating chamber acute variation can not take place in the quick-frozen stage, thereby further improved control accuracy.
In one embodiment of the invention; this refrigerator also comprises overload protective device 1150; wherein; overload protective device 1150 is connected between temperature controller 1120 and the compressor 300; overload protective device 1150 can carry out overload protection to compressor 300, thereby further improves the service life of compressor 300.
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 invention 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 embodiments of the invention, those having ordinary skill in the art will appreciate that: can carry out multiple variation, modification, replacement and modification to these embodiment under the situation that does not break away from principle of the present invention and aim, scope of the present invention is limited by claim and equivalent thereof.
Claims (6)
1. a direct cooling refrigerator is characterized in that, comprising:
Refrigerator evaporator and freezer evaporator;
One or more condensers;
Compressor, described compressor and described refrigerator evaporator, freezer evaporator and one or more condenser are interconnected;
Compensating heater, described compensating heater are used for described refrigerator evaporator is heated, and described compensating heater and described compressor are connected in series; With
Control circuit, described control circuit links to each other with described compensating heater with described compressor respectively, described control circuit is used for described compressor is controlled, and when carrying out fast-refrigerating, described compressor start or described direct cooling refrigerator start described compensating heater so that described refrigerator evaporator is heated, wherein, described control circuit comprises:
Temperature controller, described temperature controller links to each other with described compressor, and described temperature controller is controlled described compressor;
The temperature control magnetic switch, described temperature control magnetic switch is connected between described temperature controller and the described compensating heater, and described temperature control magnetic switch is controlled described compensating heater described refrigerator evaporator is heated that described compressor is carried out low temp compensating when described compressor start; With
Timer, described timer are connected between described temperature controller and the described compensating heater, and described timer is controlled described compensating heater and heated with Keep cool room temperature stable to described refrigerator evaporator when described direct cooling refrigerator carries out fast-refrigerating.
2. direct cooling refrigerator as claimed in claim 1 is characterized in that, also comprises:
The quick-frozen knob, the rotation scale of described quick-frozen knob was set according to the quick-frozen time.
3. direct cooling refrigerator as claimed in claim 2, it is characterized in that, described timer starts described compensating heater after the quick-frozen knob is opened, and the setting value of described timer is associated with the angle of quick-frozen knob rotation, and described timer described timer after surpassing described setting value disconnects described compensating heater.
4. direct cooling refrigerator as claimed in claim 1 is characterized in that, described condenser is two, is connected with dew eliminating tube between described two condensers.
5. direct cooling refrigerator as claimed in claim 1 is characterized in that, also comprises:
Overload protective device, described overload protective device are connected between described temperature controller and the described compressor, and described overload protective device carries out overload protection to described compressor.
6. direct cooling refrigerator as claimed in claim 1 is characterized in that, also comprises:
Environment temperature sensor, described environment temperature sensor links to each other with described temperature control magnetic switch, described environment temperature sensor testing environment temperature, described temperature control magnetic switch closure heats described refrigerator evaporator to control described compensating heater when described environment temperature is lower than threshold value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110244584 CN102278847B (en) | 2011-08-23 | 2011-08-23 | Direct cooling refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110244584 CN102278847B (en) | 2011-08-23 | 2011-08-23 | Direct cooling refrigerator |
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| Publication Number | Publication Date |
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| CN102278847A CN102278847A (en) | 2011-12-14 |
| CN102278847B true CN102278847B (en) | 2013-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110244584 Active CN102278847B (en) | 2011-08-23 | 2011-08-23 | Direct cooling refrigerator |
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| CN (1) | CN102278847B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103307850B (en) * | 2013-07-05 | 2015-06-17 | 合肥美的电冰箱有限公司 | Start control method of electronic refrigerator and electronic refrigerator |
| CN103335488B (en) * | 2013-07-16 | 2015-08-26 | 合肥美的电冰箱有限公司 | For quick-frozen control method and the electronic refrigerator of electronic refrigerator |
| CN104729200B (en) * | 2013-12-23 | 2018-09-25 | 博西华电器（江苏）有限公司 | Refrigeration equipment |
| CN103994596A (en) * | 2014-05-28 | 2014-08-20 | 合肥美的电冰箱有限公司 | Refrigeration equipment and refrigeration system |
| CN104089459A (en) * | 2014-06-25 | 2014-10-08 | 六安索伊电器制造有限公司 | Single-system direct-cooling multi-temperature zone control system for Bi-parting refrigerator |
| CN115014023A (en) * | 2021-03-05 | 2022-09-06 | 海信容声(广东)冰箱有限公司 | Refrigerator with a door |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1435664A (en) * | 2002-01-29 | 2003-08-13 | 乐金电子(天津)电器有限公司 | Electric refrigerator with temp. regulating device |
| CN1448680A (en) * | 2002-03-28 | 2003-10-15 | 乐金电子(天津)电器有限公司 | Refrigerator temperature control device |
| US6772601B1 (en) * | 2003-03-12 | 2004-08-10 | Maytag Corporation | Temperature control system for a refrigerated compartment |
| SI22068A (en) * | 2005-05-19 | 2006-12-31 | Gorenje Gospodinjski Aparati, D.D. | Control of a fridge-freezer appliance |
| CN202229502U (en) * | 2011-08-23 | 2012-05-23 | 合肥美的荣事达电冰箱有限公司 | Direct cooling refrigerator |
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Owner name: HEFEI MIDEA REFRIGERATOR CO., LTD. Free format text: FORMER NAME: HEFEI MEDIA RONGSHIDA REFRIGERATOR CO., LTD. |
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| 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. |
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Free format text: FORMER OWNER: HEFEI HUALING CO., LTD. Effective date: 20140509 Owner name: HUBEI MIDEA REFRIGERATOR CO., LTD. Free format text: FORMER OWNER: HEFEI MIDEA REFRIGERATOR CO., LTD. Effective date: 20140509 |
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Free format text: CORRECT: ADDRESS; FROM: 230601 HEFEI, ANHUI PROVINCE TO: 434000 JINGZHOU, HUBEI PROVINCE |
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Effective date of registration: 20140509 Address after: 434000 Dongfang Road, Hubei, Jingzhou, No. 38 Patentee after: Hubei Midea Refrigerator Co., Ltd. Address before: 230601 Hefei Changjiang Road, Anhui, No. 669 Patentee before: Hefei Midea Refrigerator Co., Ltd. Patentee before: Hefei Hualing Co., Ltd. |