CN202229502U - Direct cooling refrigerator - Google Patents
Direct cooling refrigerator Download PDFInfo
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- CN202229502U CN202229502U CN2011203104625U CN201120310462U CN202229502U CN 202229502 U CN202229502 U CN 202229502U CN 2011203104625 U CN2011203104625 U CN 2011203104625U CN 201120310462 U CN201120310462 U CN 201120310462U CN 202229502 U CN202229502 U CN 202229502U
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- compressor
- refrigerator
- direct cooling
- compensating heater
- cooling refrigerator
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Abstract
The utility model provides a direct cooling refrigerator, which comprises a refrigerating chamber evaporator, a freezing chamber evaporator, one or a plurality of condensers, a compressor, a compensating heater and a control circuit. The compensating heater is used for heating the refrigerating chamber evaporator. The control circuit is used for controlling the compressor, and starts the compensating heater to heat the refrigerating chamber evaporator when the compressor is started or the direct cooling refrigerator performs rapid refrigeration. The direct cooling refrigerator not only can achieve low temperature compensation on the compressor through the compensating heater, but also can heat the refrigerating chamber evaporator through the compensating heater when the direct cooling refrigerator performs the rapid refrigeration, thereby stabilizing temperature of a refrigerating chamber.
Description
Technical field
The utility model 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.
The utility model content
The utility model 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 utility model embodiment has proposed a kind of direct cooling refrigerator, comprising: refrigerator evaporator and freezer evaporator; One or more condensers; Compressor, said compressor and said refrigerator evaporator, freezer evaporator and one or more condenser are interconnected; Compensating heater, said compensating heater are used for said refrigerator evaporator is heated; And control circuit; Said control circuit links to each other with said compensating heater with said compressor respectively; Said control circuit is used for said compressor is controlled, and when said compressor start or said direct cooling refrigerator carry out fast-refrigerating, starts said compensating heater so that said refrigerator evaporator is heated.
In the embodiment of the utility model, can either realize low temp compensating through compensating heater to compressor, also can when direct cooling refrigerator carries out fast-refrigerating, heat refrigerator evaporator, thereby stablize the temperature of refrigerating chamber through compensating heater.The direct cooling refrigerator refrigeration that just can under the non-stop-machine situation of compressor, continue like this to refrigerating chamber, thus realize fast-refrigerating.And; In the embodiment of the utility model; 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 that warp detects the direct cooling refrigerator of the utility model embodiment is 16kg/100L by existing 4.5kg/100L lifting.
In an embodiment of the utility model, said compensating heater and said compressor are connected in series.
In an embodiment of the utility model, said control circuit comprises: temperature controller, and said temperature controller links to each other with said compressor, and said temperature controller is controlled said compressor; The temperature control magnetic switch; Said temperature control magnetic switch is connected between said temperature controller and the said compensating heater, and said temperature control magnetic switch is controlled said compensating heater said refrigerator evaporator is heated so that said compressor is carried out low temp compensating when said compressor start; And timer; Said timer is connected between said temperature controller and the said compensating heater, and said timer is controlled said compensating heater and heated with Keep cool room temperature stable to said refrigerator evaporator when said direct cooling refrigerator carries out fast-refrigerating.Wherein, also comprise the quick-frozen knob, the rotation scale of said quick-frozen knob was set according to the quick-frozen time.Particularly, said timer starts after the quick-frozen knob is opened, and the setting value of said timer is associated with the angle that the quick-frozen knob rotates, and said timer breaks off said compensating heater above said timer after the said setting value.
Through among the utility model embodiment 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 an embodiment of the utility model, said condenser is two, is connected with dew eliminating tube between said two condensers.
In an embodiment of the utility model, also comprise: overload protective device, said overload protective device are connected between said temperature controller and the said compressor, and said overload protective device carries out overload protection to said compressor.
In an embodiment of the utility model; Also comprise: environment temperature sensor; Said environment temperature sensor links to each other with said temperature control magnetic switch; Said environment temperature sensor testing environment temperature, said temperature control magnetic switch closure heats said refrigerator evaporator to control said compensating heater when said environment temperature is lower than threshold value.In the utility model embodiment, can avoid the problem that compressor can't start at low temperatures occurring through the cooperation of environment temperature sensor and temperature control magnetic switch, improved the reliability of direct cooling refrigerator.
Additional aspect of the utility model and advantage part in the following description provide, and part will become obviously from the following description, or recognize through the practice of the utility model.
Description of drawings
Above-mentioned and/or additional aspect of the utility model and advantage obviously with are easily understood becoming the description of embodiment from combining figs, wherein:
Shown in Figure 1, be the structure chart of the direct cooling refrigerator refrigeration system of the utility model embodiment;
Shown in Figure 2, be the control circuit sketch map of the utility model embodiment;
Shown in Figure 3, carry out the sketch map of low temp compensating when closed for the utility model embodiment temperature control magnetic switch;
Shown in Figure 4, the sketch map when working for the utility model embodiment timer.
The specific embodiment
Describe the embodiment of the utility model 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 utility model, and can not be interpreted as restriction the utility model.
In the description of the utility model; Term " vertically ", " laterally ", " on ", the orientation of indications such as D score, " preceding ", " back ", " left side ", " right side ", " vertically ", " level ", " top ", " end " or position relation be for based on orientation shown in the drawings or position relation; Only be for the ease of describing the utility model rather than requiring the utility model therefore can not be interpreted as restriction with specific azimuth configuration and operation to the utility model.
As shown in Figure 1, be the structure chart of the direct cooling refrigerator refrigeration system of the utility model embodiment.Compressor that this direct cooling refrigerator comprises refrigerator evaporator 100, freezer evaporator 200, link to each other with refrigerator evaporator 100 300, first condenser 400, second condenser 500, be 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 an embodiment of the utility model, compensating heater 1000 can obedient spread on the surface of refrigerator evaporator 100, for example coil pipe side.Certainly can also compensating heater 1000 be arranged on other positions, perhaps contact with refrigerator evaporator 100, as long as can heat to refrigerator evaporator 100 through other modes.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; Promptly 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, through the utility model embodiment, compressor 300 can carry out work so that refrigeration continuously and healthily to be provided constantly, causes compressor 300 often to be shut down and need not to control temperature of refrigerating chamber, the life-span that therefore also can improve compressor.
In the embodiment of the utility model; Can either realize low temp compensating through compensating heater 1000 to compressor 300; Also can when direct cooling refrigerator carries out fast-refrigerating, heat, thereby stablize the temperature of refrigerating chamber through 1000 pairs of refrigerator evaporators 100 of compensating heater.The direct cooling refrigerator refrigeration that just can under the non-stop-machine situation of compressor, continue like this to refrigerating chamber, thus realize fast-refrigerating.And; In the embodiment of the utility model; 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 the refrigerating capacity and the compressor 300 of direct cooling refrigerator, the refrigerating capacity that warp detects the direct cooling refrigerator of the utility model embodiment is 16kg/100L by existing 4.5kg/100L lifting.
As shown in Figure 2, be the control circuit sketch map of the utility model embodiment.As can be seen from Figure 2, compensating heater 1000 is connected in series with compressor 400, the control of all 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 relevant with the utility model in the control circuit 1100 is described in detail, lamp switch 1180 and illuminating lamp 1190 etc. is thought and present known technology is repeated no more at this.Wherein, temperature controller 1120 links to each other with compressor 300, can control compressor 300 through 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 so that compressor 300 is carried out low temp compensating at 1000 pairs of refrigerator evaporators 100 of compressor 300 startup control system compensating heaters, thereby avoids compressor because outdoor temperature is crossed low and can't be started.As shown in Figure 3, carry out the sketch map of low temp compensating when closed for the utility model embodiment temperature control magnetic switch.
In an embodiment of the utility model, 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 used for the testing 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 the utility model embodiment, can avoid the problem that compressor can't start at low temperatures occurring through the cooperation of environment temperature sensor and temperature control magnetic switch, improved 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 an embodiment of the utility model, this direct cooling refrigerator also comprises the quick-frozen knob, and it is inboard that this quick-frozen knob can be arranged on refrigeration chamber courage, supplies the user to regulate.Certainly in other embodiment of the utility model, also can select other adjusting device.Wherein, the rotation scale of quick-frozen knob was set according to the quick-frozen time, and the quick-frozen time that for example every scale is corresponding 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.As shown in Figure 4, the sketch map when working for the utility model embodiment timer.
Through among the utility model embodiment 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 an embodiment of the utility model; This refrigerator also comprises overload protective device 1150; Wherein, Overload protective device 1150 is connected between temperature controller 1120 and the compressor 300, and 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, 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 among at least one embodiment or example of the utility model.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 the embodiment of the utility model; Those having ordinary skill in the art will appreciate that: under the situation of principle that does not break away from the utility model and aim, can carry out multiple variation, modification, replacement and modification to these embodiment, the scope of the utility model is limited claim and equivalent thereof.
Claims (8)
1. a direct cooling refrigerator is characterized in that, comprising:
Refrigerator evaporator and freezer evaporator;
One or more condensers;
Compressor, said compressor and said refrigerator evaporator, freezer evaporator and one or more condenser are interconnected;
Compensating heater, said compensating heater are used for said refrigerator evaporator is heated; With
Control circuit; Said control circuit links to each other with said compensating heater with said compressor respectively; Said control circuit is used for said compressor is controlled, and when said compressor start or said direct cooling refrigerator carry out fast-refrigerating, starts said compensating heater so that said refrigerator evaporator is heated.
2. direct cooling refrigerator as claimed in claim 1 is characterized in that, said compensating heater and said compressor are connected in series.
3. direct cooling refrigerator as claimed in claim 2 is characterized in that, said control circuit comprises:
Temperature controller, said temperature controller links to each other with said compressor, and said temperature controller is controlled said compressor;
The temperature control magnetic switch; Said temperature control magnetic switch is connected between said temperature controller and the said compensating heater, and said temperature control magnetic switch is controlled said compensating heater said refrigerator evaporator is heated so that said compressor is carried out low temp compensating when said compressor start; With
Timer, said timer are connected between said temperature controller and the said compensating heater, and said timer is controlled said compensating heater and heated with Keep cool room temperature stable to said refrigerator evaporator when said direct cooling refrigerator carries out fast-refrigerating.
4. direct cooling refrigerator as claimed in claim 3 is characterized in that, also comprises:
The quick-frozen knob, the rotation scale of said quick-frozen knob was set according to the quick-frozen time.
5. direct cooling refrigerator as claimed in claim 4; It is characterized in that; Said timer starts said compensating heater after the quick-frozen knob is opened; And the setting value of said timer is associated with the angle of quick-frozen knob rotation, and said timer said timer after surpassing said setting value breaks off said compensating heater.
6. direct cooling refrigerator as claimed in claim 1 is characterized in that, said condenser is two, is connected with dew eliminating tube between said two condensers.
7. direct cooling refrigerator as claimed in claim 3 is characterized in that, also comprises:
Overload protective device, said overload protective device are connected between said temperature controller and the said compressor, and said overload protective device carries out overload protection to said compressor.
8. direct cooling refrigerator as claimed in claim 3 is characterized in that, also comprises:
Environment temperature sensor; Said environment temperature sensor links to each other with said temperature control magnetic switch; Said environment temperature sensor testing environment temperature, said temperature control magnetic switch closure heats said refrigerator evaporator to control said compensating heater when said environment temperature is lower than threshold value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203104625U CN202229502U (en) | 2011-08-23 | 2011-08-23 | Direct cooling refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203104625U CN202229502U (en) | 2011-08-23 | 2011-08-23 | Direct cooling refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202229502U true CN202229502U (en) | 2012-05-23 |
Family
ID=46080087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203104625U Withdrawn - After Issue CN202229502U (en) | 2011-08-23 | 2011-08-23 | Direct cooling refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202229502U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102278847A (en) * | 2011-08-23 | 2011-12-14 | 合肥美的荣事达电冰箱有限公司 | Direct cooling refrigerator |
| CN109974372A (en) * | 2019-03-22 | 2019-07-05 | 青岛海尔电冰箱有限公司 | Refrigerator |
| CN110094931A (en) * | 2019-05-30 | 2019-08-06 | 海信（山东）冰箱有限公司 | A kind of freezer temperature control method and device, refrigerator |
-
2011
- 2011-08-23 CN CN2011203104625U patent/CN202229502U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102278847A (en) * | 2011-08-23 | 2011-12-14 | 合肥美的荣事达电冰箱有限公司 | Direct cooling refrigerator |
| CN109974372A (en) * | 2019-03-22 | 2019-07-05 | 青岛海尔电冰箱有限公司 | Refrigerator |
| CN110094931A (en) * | 2019-05-30 | 2019-08-06 | 海信（山东）冰箱有限公司 | A kind of freezer temperature control method and device, refrigerator |
| CN110094931B (en) * | 2019-05-30 | 2021-08-17 | 海信（山东）冰箱有限公司 | Refrigerator temperature control method and device and refrigerator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120523 Effective date of abandoning: 20130814 |
|
| RGAV | Abandon patent right to avoid regrant |