CN202792806U - Refrigerator with device capable of accurately controlling temperature - Google Patents
Refrigerator with device capable of accurately controlling temperature Download PDFInfo
- Publication number
- CN202792806U CN202792806U CN 201220391854 CN201220391854U CN202792806U CN 202792806 U CN202792806 U CN 202792806U CN 201220391854 CN201220391854 CN 201220391854 CN 201220391854 U CN201220391854 U CN 201220391854U CN 202792806 U CN202792806 U CN 202792806U
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- chamber
- refrigerator
- temperature
- refrigerating chamber
- cooling device
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Abstract
The utility model discloses a refrigerator with a device capable of accurately controlling temperature. By means of keeping temperature of certain areas of the refrigerator stable, the refrigerator has good functions in food fresh keeping and nutrition keeping. The refrigerator with the device capable of accurately controlling the temperature comprises a refrigerating chamber, a freezing chamber and a third chamber, wherein the temperature of the third chamber is slightly lower than the temperature of the refrigerating chamber. A temperature sensor is arranged in the third chamber. The refrigerating chamber is adjacent with the third chamber, and a semiconductor refrigeration device is arranged on a separating layer between the refrigerating chamber and the third chamber. The semiconductor refrigeration device and the temperature sensor are respectively connected with a refrigerator main control panel. The operation of the semiconductor refrigeration device is controlled through the refrigerator main control panel according to temperature datum of the temperature sensor.
Description
Technical field
The utility model relates to the refrigerator technical field, more specifically says refrigeration for refrigerator and temperature control technique field.
Background technology
In general, food places under the lower temperature its freshness date can keep longer a period of time, food just as greengrocery, usually place the indoor placement of refrigerator cold-storage, because in 2 ℃ to 6 ℃ scopes, the activity of microorganism and enzyme greatly reduces, and the cryopreservation of food can be slowed down the impact of the decomposition of the putrefaction of microorganism and enzyme.But in fact, guarantee that the constant temperature in the refrigerator also is very crucial, because the fluctuation of temperature can make moisture in the food, vitamins and other nutritious components greatly reduce, and the generation of increase nitrite, edible rear insalubrity.Domestic refrigerator mainly rests on comparatively ripe many warm areas technology at present, and accurate temperature controlling is the technological difficulties of fridge freshness retaining always.It is reported that some producer has spent a large amount of manpower and materials in order to develop the common refrigerator of accurate temperature controlling refrigerator.In present refrigerator technical field, generally adopt the refrigerator of common compression, the refrigerating capacity of its compressor is larger, and evaporator area is enough large, thereby the refrigerating capacity of refrigerator foot, can cool off rapidly the food in the refrigerator; But its shortcoming is so that the temperature fluctuation when the compressor start-stop of each chamber compression of refrigerator is larger, generally can be in about 2～30 ℃ of scopes, and the temperature difference makes food moisture, nutritional labeling greatly run off too greatly easily, is unfavorable for the preservation of food; If by reducing the start-stop control temperature difference of compressor, make the high frequent start and stop, can reduce to a certain extent the fluctuation of temperature, but often power is very large because compressor is when just starting, start and stop not only make the life-span of compressor be affected greatly frequently, and the power consumption of refrigerator is increased to some extent.In the cold refrigerator in the prior art, temporarily also fail science and reasonably solve the relatively constant problem of refrigerator temperature, the temperature inside the box temperature difference is larger, can not accurate temperature controlling.
The utility model content
The technical problems to be solved in the utility model is, a kind of refrigerator with precision temperature-controlling device is provided, and makes the temperature in some specific zone of refrigerator keep stable, makes refrigerator have the function that good food fresh keeping, nutrition keep, to overcome the deficiencies in the prior art.
For solving the problems of the technologies described above, the utility model comprises that refrigerating chamber, refrigerating chamber, temperature are a little less than the 3rd chamber of refrigerating chamber, at the 3rd the indoor temperature sensor of establishing, described refrigerating chamber and the 3rd chamber interlayers adjacent and between two Room are provided with semiconductor cooling device, described semiconductor cooling device is connected with the refrigerator master control borad respectively with temperature sensor, and the refrigerator master control borad is according to the work of the temperature data control semiconductor cooling device of temperature sensor.
In the above-mentioned refrigerator with precision temperature-controlling device, described semiconductor cooling device comprises and the hot junction heat transfer sheet of refrigerating chamber heat exchange, and the cold junction heat transfer sheet of the 3rd chamber heat exchange, be clipped in the semiconductor chilling plate between hot junction heat transfer sheet and cold junction heat transfer sheet.
In the above-mentioned refrigerator with precision temperature-controlling device, be pasted with the 3rd evaporimeter on described the 3rd the chamber internal chamber wall.
In the above-mentioned refrigerator with precision temperature-controlling device, described the 3rd evaporimeter is connected with refrigerator evaporator.
The utility model compared with prior art has the following advantages and beneficial effect:
1. increase semiconductor cooling device at refrigerator, made stable being controlled on the setting value of the 3rd compartment temperature of refrigerator, reduced the fluctuation of compartment temperature.
2. the 3rd of accurate temperature controlling the chamber is conducive to the fresh-keeping of food, makes the food fresh-keeping phase can keep longer a period of time.
Description of drawings
Below in conjunction with accompanying drawing the utility model is described in further detail.
Description of drawings
Fig. 1 is the installation site structural representation of semiconductor device in the precision temperature-controlling device of the present utility model;
Fig. 2 is the semiconductor device enlarged drawing;
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with the specific embodiment and accompanying drawing, the utility model is described in further details.At this, exemplary embodiment of the present utility model and explanation thereof are used for explanation the utility model, but not as the restriction to utility model.
The first embodiment
Such as Fig. 1, the topology layout of this each chamber of refrigerator and the installation site of semiconductor cooling device have been shown in the drawings.Label 1 expression refrigerating chamber, the 3rd chamber of label 2 expressions, that is independently chamber between accurate temperature controlling provided by the utility model, label 3 expression refrigerating chambers, label 4 expression semiconductor cooling devices.Accurate temperature controlling chamber 2 places between refrigerating chamber 1 and the refrigerating chamber 3.Refrigerating chamber 1 is at the top, and refrigerating chamber 3 is in the bottom.For the utility model, each chamber of refrigerator can be by different layout designs, and for example, a chamber layout is respectively refrigerating chamber 3, accurate temperature controlling chamber 2, refrigerating chamber 1 from top to bottom; Also can be accurate temperature controlling chamber 2, refrigerating chamber 1, refrigerating chamber 3; Or refrigerating chamber 3, refrigerating chamber 1, accurate temperature controlling chamber 2.Crucial is: accurate temperature controlling chamber 2 is adjacent with refrigerating chamber 1, and semiconductor cooling device 4 is mounted on the heat-insulation layer of 2 centres, chamber between refrigerating chamber 1 and independent accurate temperature controlling.Such structure so that the cold and hot end heat transfer sheet of semiconductor cooling device respectively and chamber heat exchange between refrigerating chamber, accurate temperature controlling, to reach the purpose that has a narrow range of temperature.Semiconductor cooling device specific refrigerating effect commonly used is less, and its outstanding advantages is to adopt the DC low-voltage power supply to realize refrigeration, and its refrigerating capacity is not different simultaneously when magnitude of voltage; And when changing the electric power polarity of semiconductor chilling plate, the cold junction of cooling piece can be converted into the hot junction, can realize freezing and the exchange that heats.The utility model utilizes the characteristics of semiconductor refrigerating just, provides the refrigerating capacity of adjusting because of real time temperature to chamber between accurate temperature controlling, makes compartment temperature stable, and temperature fluctuation is small.
The mean temperature of cold compartment of refrigerator is generally 5 ℃, and between accurate temperature controlling the design temperature of chamber near 0 ℃, the hot junction of semiconductor cooling device is placed the refrigerating chamber direction, the air heat-exchange that hot junction and temp. in refrigerating chamber are lower, the temperature difference of cold and hot end is less, can realize the purpose that energy consumption is little, adopt the refrigerator of semiconductor cooling device, the power consumption that whole refrigerator increases is the energy consumption of semiconductor work itself.
As shown in Figure 1 and Figure 2, chamber 2 is clipped between refrigerating chamber 1 and the refrigerating chamber 3 between independent accurate temperature controlling, and semiconductor cooling device 4 is mounted on the interlayer 12 of 2 centres, chamber between refrigerating chamber 1 and independent accurate temperature controlling.This interlayer 12 generally is heat-insulation layer, but also being mainly used in chamber between accurate temperature controlling 2 separated separate layer from refrigerating chamber of making of passable other material.On the enlarged drawing of semiconductor cooling device 4, an end of semiconductor chilling plate 13 is hot junction heat transfer sheets 14, and the other end is cold junction heat transfer sheet 15.Semiconductor chilling plate 13, hot junction heat transfer sheet 14 and cold junction heat transfer sheet 15 combine by the silica gel of high thermal conductivity coefficient, and are connected into a refrigerating plant by sunk screw 11.Interlayer between whole semiconductor device and refrigerating chamber, the accurate temperature controlling chamber is in aggregates by the foaming combination, the cold junction heat transfer sheet places on the accurate temperature controlling chamber 2, cold is provided for the accurate temperature controlling chamber, the temperature range that the accurate temperature controlling chamber is set is 0～5 ℃, the hot junction heat transfer sheet places refrigerating chamber 1, the cold and hot end temperature difference is less, can reach the little purpose of semiconductor cooling device power consumption.When the temperature difference of cold and hot end was 5 ℃, 24 hours energy consumption of semiconductor cooling device work declined to a great extent.
The second embodiment
In the first embodiment, the refrigerating capacity of chamber is only provided by semiconductor chilling plate between accurate temperature controlling.As a kind of improvement, the chamber increases by the 3rd evaporimeter between accurate temperature controlling, the 3rd evaporimeter and refrigerator evaporator series winding, the work of two evaporimeters is synchronous, the part cold of chamber is provided by the 3rd evaporimeter between accurate temperature controlling, but only be not enough so that the temperature of a chamber reaches setting value by the cold of this evaporimeter, at this moment, semiconductor cooling device is to a chamber refrigeration, make temperature reach requirement, when the 3rd evaporator operation, the temperature inside the box descends, and the voltage that at this moment outputs to semiconductor cooling device descends thereupon.When the 3rd evaporator stops operation, the temperature inside the box is on the rise, and the voltage that at this moment outputs to semiconductor cooling device rises, and provides more cold to a chamber.In the present embodiment, the semiconductor cooling device cold that affords redress to chamber between accurate temperature controlling is on the stationary value compartment temperature.
Claims (4)
1. refrigerator with precision temperature-controlling device, comprise that refrigerating chamber, refrigerating chamber, temperature are a little less than the 3rd chamber of refrigerating chamber, it is characterized in that: at the 3rd the indoor temperature sensor of establishing, described refrigerating chamber and the 3rd chamber interlayers adjacent and between two Room are provided with semiconductor cooling device, described semiconductor cooling device is connected with the refrigerator master control borad respectively with temperature sensor, and the refrigerator master control borad is according to the work of the temperature data control semiconductor cooling device of temperature sensor.
2. a kind of refrigerator with precision temperature-controlling device according to claim 1 is characterized in that: described semiconductor cooling device comprises and the hot junction heat transfer sheet of refrigerating chamber heat exchange, and the cold junction heat transfer sheet of the 3rd chamber heat exchange, be clipped in the semiconductor chilling plate between hot junction heat transfer sheet and cold junction heat transfer sheet.
3. a kind of refrigerator with precision temperature-controlling device according to claim 1 and 2 is characterized in that: be pasted with the 3rd evaporimeter on described the 3rd the chamber internal chamber wall.
4. a kind of refrigerator with precision temperature-controlling device according to claim 3, it is characterized in that: described the 3rd evaporimeter is connected with refrigerator evaporator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220391854 CN202792806U (en) | 2012-08-06 | 2012-08-06 | Refrigerator with device capable of accurately controlling temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220391854 CN202792806U (en) | 2012-08-06 | 2012-08-06 | Refrigerator with device capable of accurately controlling temperature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202792806U true CN202792806U (en) | 2013-03-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220391854 Expired - Fee Related CN202792806U (en) | 2012-08-06 | 2012-08-06 | Refrigerator with device capable of accurately controlling temperature |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202792806U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106766349A (en) * | 2016-12-08 | 2017-05-31 | 青岛海尔股份有限公司 | The control method of semiconductor cooling device |
| CN107192199A (en) * | 2017-06-30 | 2017-09-22 | 青岛海尔股份有限公司 | Multi-door refrigerator |
| CN107192200A (en) * | 2017-06-30 | 2017-09-22 | 青岛海尔股份有限公司 | Multi-door refrigerator |
| CN107270640A (en) * | 2017-06-30 | 2017-10-20 | 青岛海尔股份有限公司 | Multi-door refrigerator |
| CN110094911A (en) * | 2018-01-29 | 2019-08-06 | 青岛海尔股份有限公司 | Refrigerator |
| CN110671865A (en) * | 2019-10-12 | 2020-01-10 | 珠海格力电器股份有限公司 | Parallel double-circulation refrigerator and control method thereof |
-
2012
- 2012-08-06 CN CN 201220391854 patent/CN202792806U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106766349A (en) * | 2016-12-08 | 2017-05-31 | 青岛海尔股份有限公司 | The control method of semiconductor cooling device |
| CN106766349B (en) * | 2016-12-08 | 2019-05-31 | 青岛海尔股份有限公司 | The control method of semiconductor cooling device |
| CN107192199A (en) * | 2017-06-30 | 2017-09-22 | 青岛海尔股份有限公司 | Multi-door refrigerator |
| CN107192200A (en) * | 2017-06-30 | 2017-09-22 | 青岛海尔股份有限公司 | Multi-door refrigerator |
| CN107270640A (en) * | 2017-06-30 | 2017-10-20 | 青岛海尔股份有限公司 | Multi-door refrigerator |
| CN110094911A (en) * | 2018-01-29 | 2019-08-06 | 青岛海尔股份有限公司 | Refrigerator |
| CN110671865A (en) * | 2019-10-12 | 2020-01-10 | 珠海格力电器股份有限公司 | Parallel double-circulation refrigerator and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20140806 |
|
| EXPY | Termination of patent right or utility model |