CN105605858A - Refrigerator and temperature control method for thermostatic chamber in refrigerator - Google Patents
Refrigerator and temperature control method for thermostatic chamber in refrigerator Download PDFInfo
- Publication number
- CN105605858A CN105605858A CN201610149140.4A CN201610149140A CN105605858A CN 105605858 A CN105605858 A CN 105605858A CN 201610149140 A CN201610149140 A CN 201610149140A CN 105605858 A CN105605858 A CN 105605858A
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- chamber
- thermostatic chamber
- temperature
- thermostatic
- refrigerator
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
- F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
- F25D17/062—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators
- F25D17/065—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators with compartments at different temperatures
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/003—Arrangement or mounting of control or safety devices for movable devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/005—Mounting of control devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
- F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
- F25D2317/066—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the air supply
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention discloses a refrigerator and a temperature control method for a thermostatic chamber in the refrigerator. The refrigerator comprises a refrigerating system. The refrigerating system comprises a compressor, a condenser, an evaporator, a condensation heating pipe, a connecting pipe and a switchover device. The compressor is provided with an air inlet and an air outlet. One end of the condenser is connected with the air outlet, and the other end of the condenser is connected with one end of the evaporator; the other end of the evaporator is connected with the air inlet; the condensation heating pipe and the connecting pipe are connected between the air outlet and one end of the condenser in parallel; the condensation heating pipe is located in the thermostatic chamber, and the switchover device is designed for switch between a first switchover position where the air outlet is communicated with the condensation heating pipe and a second switchover position where the air outlet is communicated with the connecting pipe. The method comprises the following steps that a set temperature of the thermostatic is acquired; a ventilation door of the thermostatic chamber and the switchover device are controlled through the set temperature of the thermostatic chamber so that the temperature of the thermostatic chamber can be the set temperature all the time, storage requirements of different food materials are met, and safety is high.
Description
Technical field
The present invention relates to technical field of electric appliances, especially relate to the temperature control of thermostatic chamber in a kind of refrigerator and a kind of refrigeratorMethod.
Background technology
In correlation technique, refrigerator only has refrigerating chamber, temperature-changing chamber and refrigerating chamber, and the maximum temperature of temperature-changing chamber is all at 5 DEG CBelow, can not be used for receiving whole food materials. In addition, in temperature-changing chamber, without temperature regulating device, the temperature in temperature-changing chamber is and then coldHide chamber and fluctuate, can not accomplish constant temperature. Moreover, a chamber for example temperature-changing chamber in order to reach higher temperature, conventionally allTo heat by heater strip, but, because the firing rate of heater strip is very fast, cause temperature fluctuation larger, simultaneouslyAlso increase potential safety hazard, and increased power consumption.
Summary of the invention
The present invention is intended at least solve one of technical problem existing in above-mentioned technology. For this reason, one object of the present invention existsIn proposing a kind of refrigerator, this refrigerator can meet the storage request of different food materials and safe.
On the one hand, according to refrigerator of the present invention, comprising: casing, has thermostatic chamber in described casing; Refrigeration system, instituteState refrigeration system and be located on described casing, described refrigeration system comprises compressor, condenser, evaporimeter, condensation heatingPipe, connecting line and switching device shifter, described compressor has air entry and exhaust outlet, one end of described condenser and instituteState exhaust outlet and be connected, and the other end of described condenser and one end of described evaporimeter be connected, another of described evaporimeterEnd is connected with described air entry, and described condensation heating pipe and described connecting line are connected in parallel on described exhaust outlet and described condensationBetween described one end of device, described condensation heating pipe is positioned at described thermostatic chamber, and described switching device shifter is formed at and connectsThe first switching position of logical described exhaust outlet and described condensation heating pipe and the described exhaust outlet of connection and described connecting lineChangeable between the second switching position; Control module, described control module is used for obtaining the design temperature of described thermostatic chamber,And the air door to described thermostatic chamber and described switching device shifter are controlled according to the design temperature of described thermostatic chamber, so that instituteThe temperature of stating thermostatic chamber remains on described design temperature.
According to refrigerator of the present invention, by condensation heating pipe is set in thermostatic chamber, and switch dress by control module controlWhether put to control condensation heating pipe carries out heating work and whether blows to realize system by the air door of controlling thermostatic chamberCold, thus make the temperature constant of thermostatic chamber, can meet the storage request of different food materials, realize full category food materialsStorage. In addition, use condensation heating pipe belt is replaced the heater strip in traditional heating etc., has effectively reduced constant temperatureIndoor temperature fluctuation, the security that has improved refrigerator, and greatly reduced energy consumption.
According to some embodiments of the present invention, in described casing, there is at least one in refrigerating chamber, refrigerating chamber and temperature-changing chamber,Wherein said thermostatic chamber chamber is located at least one in described refrigerating chamber, described refrigerating chamber and described temperature-changing chamber, described inOn thermostatic chamber, be formed with air inlet and return air inlet, the air door of described thermostatic chamber is arranged on described air inlet and sentences described in controlIn thermostatic chamber and described refrigerating chamber, described refrigerating chamber and described temperature-changing chamber described at least one except described thermostatic chamberConducting and the partition of inner space.
Particularly, when the design temperature of described thermostatic chamber is lower than in described refrigerating chamber, described refrigerating chamber and described temperature-changing chamberWhen described at least one the preset temperature of the inner space except described thermostatic chamber, cut described in described control module controlChanging device switches to described the second switching position, and, when the establishing higher than described thermostatic chamber of the temperature in described thermostatic chamberWhen fixed temperature, the air door of thermostatic chamber is opened described in described control module control; When the temperature in described thermostatic chamber is lower than instituteWhile stating the design temperature of thermostatic chamber, the air door of thermostatic chamber is closed described in described control module control.
And, when the design temperature of described thermostatic chamber is higher than the institute in described refrigerating chamber, described refrigerating chamber and described temperature-changing chamberWhile stating the preset temperature of the inner space except described thermostatic chamber of at least one, switch described in described control module controlDevice switches to described the first switching position, and the air door of controlling described thermostatic chamber is in closed condition, wherein, works as instituteWhile stating temperature in thermostatic chamber higher than the design temperature of described thermostatic chamber, switching device shifter is cut described in described control module controlChange to described the second switching position.
Further, described refrigerator also comprises: heat accumulating part, and described heat accumulating part is located in described thermostatic chamber, itsDescribed in condensation heating pipe be located on described heat accumulating part.
According to some embodiments of the present invention, the exposing at least partly outside described heat accumulating part of described condensation heating pipe.
Alternatively, the part at the described thermostatic chamber of the vicinity of the periphery wall of described condensation heating pipe center is exposed described heat accumulatingOutside part.
Alternatively, the part that described condensation heating pipe is described condenser.
Alternatively, described switching device shifter is dynamoelectric switching valve.
On the other hand, the invention allows for the temperature-controlled process of thermostatic chamber in a kind of refrigerator, wherein, described refrigerator bagDraw together refrigeration system, described refrigeration system comprise compressor, condenser, evaporimeter, condensation heating pipe, connecting line andSwitching device shifter, described compressor has air entry and exhaust outlet, and one end of described condenser is connected with described exhaust outlet,And the other end of described condenser is connected with one end of described evaporimeter, the other end of described evaporimeter and described air entryBe connected, described condensation heating pipe and described connecting line be connected in parallel on described exhaust outlet and described condenser described one end itBetween, described condensation heating pipe is positioned at described thermostatic chamber, described switching device shifter be formed at be communicated with described exhaust outlet andThe first switching position of described condensation heating pipe and be communicated with described exhaust outlet and described connecting line the second switching position itBetween changeable, said method comprising the steps of: the design temperature that obtains described thermostatic chamber; According to described thermostatic chamberAir door and the described switching device shifter of design temperature to described thermostatic chamber controlled, so that the temperature of described thermostatic chamber keepsAt described design temperature.
According to the temperature-controlled process of thermostatic chamber in refrigerator of the present invention, control condensation heating pipe by controlling switching device shifterWhether carry out heating work and whether blow to realize refrigeration by controlling the air door of thermostatic chamber, thereby make thermostatic chamberTemperature constant, can meet the storage request of different food materials, realizes the storage of full category food materials. In addition, use condensationHeating tube replaces the heater strip in traditional heating etc., has effectively reduced the temperature fluctuation in thermostatic chamber, improvesThe security of refrigerator, and greatly reduced energy consumption.
According to one embodiment of present invention, in described refrigerator, there is at least one in refrigerating chamber, refrigerating chamber and temperature-changing chamber,Wherein said thermostatic chamber chamber is located at least one in described refrigerating chamber, described refrigerating chamber and described temperature-changing chamber, wherein,Air door according to the design temperature of described thermostatic chamber to described thermostatic chamber and described switching device shifter are controlled and are comprised: work as instituteThe design temperature of stating thermostatic chamber lower than in described refrigerating chamber, described refrigerating chamber and described temperature-changing chamber described at least oneWhen the preset temperature of the inner space except described thermostatic chamber, control described switching device shifter and switch to described the second toggle bitPut, and, when the temperature in described thermostatic chamber is during higher than the design temperature of described thermostatic chamber, control described thermostatic chamberAir door is opened; When the temperature in described thermostatic chamber is during lower than the design temperature of described thermostatic chamber, control described thermostatic chamberAir door is closed.
According to one embodiment of present invention, according to the design temperature of described thermostatic chamber to the air door of described thermostatic chamber and described inSwitching device shifter is also controlled and is comprised: when the design temperature of described thermostatic chamber higher than described refrigerating chamber, described refrigerating chamber andWhen described at least one the preset temperature of the inner space except described thermostatic chamber in described temperature-changing chamber, described in controlSwitching device shifter switches to described the first switching position, and the air door of controlling described thermostatic chamber is in closed condition, wherein,When the temperature in described thermostatic chamber is during higher than the design temperature of described thermostatic chamber, control described in described switching device shifter switches toThe second switching position.
Additional aspect of the present invention and advantage in the following description part provide, and part will become from the following descriptionObviously, or by practice of the present invention recognize.
Brief description of the drawings
Above-mentioned and/or additional aspect of the present invention and advantage from conjunction with below accompanying drawing to becoming bright the description of embodimentAobvious and easy understanding, wherein:
Fig. 1 is the refrigeration system schematic diagram of refrigerator according to an embodiment of the invention;
Fig. 2 is the structural representation of refrigerator according to an embodiment of the invention;
Fig. 3 is the profile of the refrigerator shown in Fig. 2;
Fig. 4 is the structural representation of refrigerator in accordance with another embodiment of the present invention;
Fig. 5 is the profile of the refrigerator shown in Fig. 4;
Fig. 6 is the structural representation of the refrigerator of another embodiment according to the present invention;
Fig. 7 is the profile of the refrigerator shown in Fig. 6;
Fig. 8 is according to the flow chart of the temperature-controlled process of thermostatic chamber in the refrigerator of the embodiment of the present invention;
Fig. 9 is the flow chart of the temperature-controlled process of thermostatic chamber in refrigerator according to an embodiment of the invention.
Reference numeral:
Refrigerator 100,
Refrigeration system 1, compressor 11, condenser 12, evaporimeter 13, condensation heating pipe 14, connecting line 15, cutsChanging device 16, filter 17, throttling arrangement 18,
Thermostatic chamber 21, air inlet 211, return air inlet 212, refrigerating chamber 22, refrigerating chamber 23, temperature-changing chamber 24,
Heat accumulating part 3.
Detailed description of the invention
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, wherein phase from start to finishSame or similar label represents same or similar element or has the element of identical or similar functions. Below by referenceThe embodiment that accompanying drawing is described is exemplary, only for explaining the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention, it will be appreciated that, term " " center ", " on ", D score, 'fornt', 'back'," left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", " outward ", " axially "," radially ", orientation or the position relationship of the instruction such as " circumferentially " be based on orientation shown in the drawings or position relationship, onlyBe the present invention for convenience of description and simplified characterization, instead of device or the element of instruction or hint indication must have spyFixed orientation, with specific orientation structure and operation, therefore can not be interpreted as limitation of the present invention. In addition term," first ", " second " be only for describing object, and can not be interpreted as instruction or hint relative importance or implicitIndicate the quantity of indicated technical characterictic. Thus, the feature that is limited with " first ", " second " can express orPerson impliedly comprises one or more these features. In description of the invention, except as otherwise noted, " multiple "Implication be two or more.
In description of the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation "," be connected ", " connection " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect,Or connect integratedly; Can be mechanical connection, can be also electrical connection; Can be to be directly connected, in also can passing throughBetween medium be indirectly connected, can be the connection of two element internals. For the ordinary skill in the art, canUnderstand above-mentioned term concrete meaning in the present invention with concrete condition.
In the present invention, unless otherwise clearly defined and limited, First Characteristic Second Characteristic it " on " or itD score can comprise that the first and second features directly contact, and also can comprise that the first and second features are not direct contactsBut by the other feature contact between them. And, First Characteristic Second Characteristic " on ", " top "" above " comprise First Characteristic directly over Second Characteristic and oblique upper, or only represent First Characteristic level heightHigher than Second Characteristic. First Characteristic Second Characteristic " under ", " below " and " below " comprise that First Characteristic existsDirectly over Second Characteristic and oblique upper, or only represent that First Characteristic level height is less than Second Characteristic.
Describe according to the refrigerator 100 of the embodiment of the present invention below with reference to Fig. 1-Fig. 7.
As shown in Figure 1-Figure 3, refrigerator 100 according to an embodiment of the invention, comprises casing and refrigeration system 1.
Wherein, have thermostatic chamber 21 in casing, refrigeration system 1 is located on casing. Refrigeration system 1 comprise compressor 11,Condenser 12, evaporimeter 13, condensation heating pipe 14, connecting line 15 and switching device shifter 16. Alternatively, switch dressPutting 16 can be transfer valve etc., but is not limited to this. Further, transfer valve can be dynamoelectric switching valve etc.
Compressor 11 has air entry and exhaust outlet, and wherein, air entry is for inhaling the gaseous coolant of refrigeration system 1Enter to compressor 11 for example in rotary compressor 11, exhaust outlet is cold for the high-pressure gaseous after compressor 11 is compressedMatchmaker transports out, and in refrigeration system 1, circulates.
One end (for example, the right-hand member in Fig. 1) of condenser 12 is connected with the exhaust outlet of compressor 11, and condenser12 the other end (for example, the left end in Fig. 1) for example, is connected with one end (, the upper end in Fig. 1) of evaporimeter 13,The other end (for example, the lower end in Fig. 1) of evaporimeter 13 is connected with the air entry of compressor 11. Condensation heating pipe14 and connecting line 15 be connected in parallel between the exhaust outlet of compressor 11 and above-mentioned one end of condenser 12.
Condensation heating pipe 14 is positioned at thermostatic chamber 21, and switching device shifter 16 is located at condensation heating pipe 14 and connecting line 15The side (for example, the downside in Fig. 1) of exhaust outlet of contiguous compressor 11, and switching device shifter 16 is formed atBe communicated with the exhaust outlet of compressor 11 and the first switching position of condensation heating pipe 14 and be communicated with compressor 11 exhaust outlet andChangeable between the second switching position of connecting line 15.
In an embodiment of the present invention, above-mentioned refrigerator also comprises control module, and control module is for obtaining thermostatic chamber 21Design temperature, and the air door to thermostatic chamber 21 and switching device shifter 16 are controlled according to the design temperature of thermostatic chamber 21,So that the temperature of thermostatic chamber 21 remains on design temperature.
Alternatively, refrigeration system 1 can also comprise such as device for drying and filtering of filter 17 etc. and for example hair of throttling arrangement 18Tubules etc., its middle filtrator 17 and throttling arrangement 18 are connected between condenser 12 and evaporimeter 13. Particularly,One end (for example, the right-hand member in Fig. 1) of filter 17 is connected with above-mentioned one end of condenser 12, filter 17The other end (for example, the left end in Fig. 1) for example, is connected with one end (, the right-hand member in Fig. 1) of throttling arrangement 18,The other end (for example, the left end in Fig. 1) of throttling arrangement 18 is connected with above-mentioned one end of evaporimeter 13. Thus,Can improve the stability of refrigeration system 1.
According to some embodiments of the present invention, in casing, have in refrigerating chamber 22, refrigerating chamber 23 and temperature-changing chamber 24 extremelyFew one, that is to say in casing, only to there is wherein one in refrigerating chamber 22, refrigerating chamber 23 and temperature-changing chamber 24Chamber between individual, also can have the wherein chamber between two in refrigerating chamber 22, refrigerating chamber 23 and temperature-changing chamber 24, can also toolThere is chamber between 24 3 of refrigerating chamber 22, refrigerating chamber 23 and temperature-changing chambers. Temperature-changing chamber 24 can be the temperature-changing chamber in conventional refrigerator,Temperature in this temperature-changing chamber is generally below 5 DEG C. Wherein thermostatic chamber 21 is located at refrigerating chamber 22, refrigerating chamber 23 and alternating temperatureAbove-mentioned at least one in chamber 24.
For example, between one of them that, can be in refrigerating chamber 22, refrigerating chamber 23 and the temperature-changing chamber 24 indoor thermostatic chamber that arranges21, the wherein indoor thermostatic chamber that arranges respectively between two that also can be in refrigerating chamber 22, refrigerating chamber 23 and temperature-changing chamber 2421, can also three in refrigerating chamber 22, refrigerating chamber 23 and temperature-changing chamber 24 between the indoor thermostatic chamber 21 that arranges respectively.
Particularly, in the example of Fig. 2 and Fig. 3, in the casing of refrigerator 100, there is refrigerating chamber 22 and refrigerating chamber 23Chamber between two, wherein thermostatic chamber 21 is located in refrigerating chamber 22, and thermostatic chamber 21 is positioned at the bottom of refrigerating chamber 22. ?In the example of Fig. 4 and Fig. 5, in the casing of refrigerator 100, there is 24 3 of refrigerating chamber 22, refrigerating chamber 23 and temperature-changing chambersBetween chamber, wherein thermostatic chamber 21 is located in temperature-changing chamber 24, and thermostatic chamber 21 occupies whole temperature-changing chamber 24. At Fig. 6 and TuIn 7 example, in the casing of refrigerator 100, there is chamber between 24 3 of refrigerating chamber 22, refrigerating chamber 23 and temperature-changing chambers, itsMiddle thermostatic chamber 21 is also located in temperature-changing chamber 24, and thermostatic chamber chamber 21 is positioned at the top of temperature-changing chamber 24.
On thermostatic chamber 21, be formed with air inlet 211 and return air inlet 212, the air door of thermostatic chamber 21 is arranged on air inlet 211Sentence control in thermostatic chamber 21 and refrigerating chamber 22, refrigerating chamber 23 and temperature-changing chamber 24 above-mentioned at least one except thermostatic chamberThe conducting of the inner space outside 21 and partition.
For example, in the time that air door is opened, at least one in thermostatic chamber 21 and refrigerating chamber 22, refrigerating chamber 23 and temperature-changing chamber 24The individual inner space conducting except thermostatic chamber 21, thus, can reduce the temperature in thermostatic chamber 21. When air door is closedTime, at least one in thermostatic chamber 21 and refrigerating chamber 22, refrigerating chamber 23 and temperature-changing chamber 24 except thermostatic chamber 21Inner space cuts off.
Wherein, when extremely described lower than in refrigerating chamber 22, refrigerating chamber 23 and temperature-changing chamber 24 of the design temperature of thermostatic chamber 21While lacking the preset temperature of the inner space except thermostatic chamber 21 of, control module control switching device shifter 16 switches toThe second switching position, and, when the temperature in thermostatic chamber 21 is during higher than the design temperature of thermostatic chamber, control module controlThe air door of thermostatic chamber is opened; When the temperature in thermostatic chamber is during lower than the design temperature of thermostatic chamber, control module control constant temperatureThe air door of chamber is closed.
And, as at least one higher than in refrigerating chamber 22, refrigerating chamber 23 and temperature-changing chamber 24 of the design temperature of thermostatic chamber 21When the preset temperature of the individual inner space except thermostatic chamber 21, control module control switching device shifter 16 switches to firstSwitching position, and the air door of controlling thermostatic chamber 21 is in closed condition, wherein, when the temperature in thermostatic chamber is higher than constant temperatureWhen the design temperature of chamber, control module control switching device shifter 16 switches to the second switching position.
Particularly, when the design temperature of thermostatic chamber 21 higher than refrigerating chamber 22, refrigerating chamber 23 and temperature-changing chamber 24 at leastWhen the preset temperature of the inner space except thermostatic chamber 21 of, switching device shifter 16 switches to the first switching position,The exhaust outlet of compressor 11 is communicated with condensation heating pipe 14, and air door is in closed condition, the portion in condensation heating pipe 14Divide heat by pipeline, thermostatic chamber 21 to be heated; In the time that the temperature in thermostatic chamber 21 reaches design temperature, switchDevice 16 switches to the second switching position. When the design temperature of thermostatic chamber 21 is lower than refrigerating chamber 22, refrigerating chamber 23 with becomeWhen the preset temperature of the inner space except thermostatic chamber 21 of at least one in greenhouse 24, switching device shifter 16 switches toThe second switching position, and open or close by air door, with the temperature in regulating constant greenhouse 21.
For example, when the temperature in thermostatic chamber 21 is lower during for example lower than design temperature, switching device shifter 16 switches to firstSwitching position, the exhaust outlet of compressor 11 is communicated with condensation heating pipe 14, and now HTHP gaseous coolant is from compressionThe exhaust outlet of machine 11 enters condensation heating pipe 14, and heat release liquefaction in condensation heating pipe 14. Now, can be by high temperatureThermal release in high-pressure gaseous refrigerant, in thermostatic chamber 21, makes the temperature in thermostatic chamber 21 raise to reach settingTemperature. In the time that the temperature in thermostatic chamber 21 reaches the design temperature of thermostatic chamber 21, switching device shifter 16 switches to second and cutsChange place.
In an embodiment of the present invention, refrigerator inside can arrange one independently between chamber as thermostatic chamber, and temperature canRegulate, while having refrigeration demand in this thermostatic chamber like this, can blow to freeze by air door; When this thermostatic chamber hasWhen the demand of high temperature storage, can heat by condensation heating pipe, thereby meet user's different memory requirements.
Thus, can be according to the design temperature in user's storage requirements regulating constant greenhouse 21, thus can meet different food materialsStorage request, realize the storage of full category food materials.
For example, when banana is put into traditional refrigerator, banana can blackening, and adopts above-mentioned according to the embodiment of the present inventionRefrigerator 100, the design temperature that user can regulating constant greenhouse 21, to the temperature that is suitable for storing banana, is put into this by bananaIn refrigerator 100 in invention, store, thereby solved the problem that banana stores.
According to some embodiments of the present invention, the design temperature of thermostatic chamber 21 is T, and T meets: 5 DEG C≤T≤25 DEG C. ItsConcrete numerical value adjusted design according to the actual requirements. The present invention does not do concrete restriction to this.
Further, refrigerator 100 also comprises heat accumulating part 3, and heat accumulating part 3 is located in thermostatic chamber 21, whereinCondensation heating pipe 14 is located on heat accumulating part 3. For example, in the time that switching device shifter 16 is positioned at the first switching position, storageHot material part 3 can absorption condensation heating tube 14 a part of heat, in the time of the 14 not heat release of condensation heating pipe, heat accumulationMaterial pieces 3 can be to release heat lentamente in thermostatic chamber 21. Thus, can reduce temperature fluctuation, improve thermostatic chamber 21In the stability of temperature, thereby improved the overall performance of refrigerator 100.
Alternatively, heat accumulating part 3 can be heat accumulation glue etc., but is not limited to this. Thus, can make in thermostatic chamber 21Temperature stabilization, and can effectively reduce material cost, thereby reduce the holistic cost of refrigerator 100.
Particularly, exposing at least partly outside heat accumulating part 3 of condensation heating pipe 14. That is to say, can be by condensationHeating tube 14 is embedded in heat accumulating part 3 completely, also can make a part for cold and hot heating tube be exposed at heat accumulating part 3Outward. For example, with reference to Fig. 3, Fig. 5 and Fig. 7, the portion at contiguous thermostatic chamber 21 centers of the periphery wall of condensation heating pipe 14Divide and expose outside heat accumulating part 3. Thus, can improve the heating effect of condensation heating pipe 14.
According to some embodiments of the present invention, on the internal perisporium of thermostatic chamber 21, be equipped with condensation heating pipe 14, thus, canImprove the heating effect of condensation heating pipe 14, improve the programming rate in thermostatic chamber 21.
Alternatively, condensation heating pipe 14 can be a part for condenser 12. Thus, reduced further refrigerator100 holistic cost. For example, condenser 12 comprises condenser pipe, and a part for condenser pipe can be used as condensation heating pipe14 are arranged in thermostatic chamber 21. Wherein, condenser 12 can, directly on the case courage of thermostatic chamber 21, also can makeSuch as, coordinate blower fan to realize temperature control with air-cooled condenser (fiber tube, revolve tooth, fin etc.).
Describe according to three specific embodiments of the refrigerator 100 of the embodiment of the present invention below with reference to Fig. 1-Fig. 7.
Embodiment mono-:
As shown in Figure 1-Figure 3, refrigerator 100 according to an embodiment of the invention, comprises casing and refrigeration system 1. CaseIn body, have refrigerating chamber 22, refrigerating chamber 23 and thermostatic chamber 21, wherein thermostatic chamber 21 is located in refrigerating chamber 22, and positionIn the bottom of refrigerating chamber 22.
Refrigeration system 1 is located on casing. Refrigeration system 1 comprises compressor 11, condenser 12, evaporimeter 13, condensationHeating tube 14, connecting line 15 and dynamoelectric switching valve. Compressor 11 has air entry and exhaust outlet, condenser 12Right-hand member be connected with the exhaust outlet of compressor 11, and the left end of condenser 12 is connected with evaporimeter 13 upper ends, evaporimeter13 lower end is connected with the air entry of compressor 11. Condensation heating pipe 14 and connecting line 15 are connected in parallel on compressor 11Exhaust outlet and the right-hand member of condenser 12 between.
On the internal perisporium of thermostatic chamber 21, be equipped with condensation heating pipe 14. Dynamoelectric switching valve is located at condensation heating pipe 14 and connectsTake over a side of the exhaust outlet of the contiguous compressor 11 on road 15, and dynamoelectric switching valve is formed at connection compressor 11Exhaust outlet and the first switching position of condensation heating pipe 14 and be communicated with the exhaust outlet of compressor 11 and connecting line 15Changeable between the second switching position.
Refrigeration system 1 also comprises filter 17 and throttling arrangement 18, and its middle filtrator 17 and throttling arrangement 18 are connected onBetween condenser 12 and evaporimeter 13. Thus, can improve the stability of refrigeration system 1.
On thermostatic chamber 21, be formed with air inlet 211 and return air inlet 212, air inlet 211 places are provided with air door to control constant temperatureConducting and the partition of chamber 21 and the inner space of refrigerating chamber 22 except thermostatic chamber 21.
For example, in the time that air door is opened, the inner space conducting except thermostatic chamber 21 of thermostatic chamber 21 and refrigerating chamber 22,Thus, can reduce the temperature in thermostatic chamber 21. In the time that air door is closed, thermostatic chamber 21 and refrigerating chamber 22 except thermostatic chamberInner space outside 21 cuts off, and in the time that switching device shifter 16 switches to the first switching position, can improve thermostatic chamber 21 like thisInterior temperature.
Particularly, when pre-higher than the inner space except thermostatic chamber 21 of refrigerating chamber 22 of the design temperature of thermostatic chamber 21If when temperature, switching device shifter 16 switches to the first switching position, and the exhaust outlet of compressor 11 and condensation heating pipe 14 connectLogical, air door is in closed condition, and the part heat in condensation heating pipe 14 heats thermostatic chamber 21 by pipeline;In the time that the temperature in permanent chamber 21 reaches the design temperature of thermostatic chamber 21, switching device shifter 16 switches to the second switching position.When the design temperature of thermostatic chamber 21 is during lower than the preset temperature of the inner space except thermostatic chamber 21 of refrigerating chamber 22, cutChanging device 16 switches to the second switching position, and air door opens, to reduce the temperature in thermostatic chamber 21.
Further, refrigerator 100 is provided with heat accumulation glue, and heat accumulation glue is located in thermostatic chamber 21, wherein condensation heating pipe 14Be located on heat accumulation glue, and the part at contiguous thermostatic chamber 21 centers of the periphery wall of condensation heating pipe 14 is exposed heat accumulatingOutside part 3. Thus, can improve the heating effect of condensation heating pipe 14. When switching device shifter 16 is positioned at the first switching positionTime, a part of heat that heat accumulation glue can absorption condensation heating tube 14, in the time of the 14 not heat release of condensation heating pipe, heat accumulationGlue can be to release heat lentamente in thermostatic chamber 21. Thus, can reduce temperature fluctuation, improve in thermostatic chamber 21The stability of temperature, thus the overall performance of refrigerator 100 improved.
Embodiment bis-:
As shown in Figure 1, Figure 4 and Figure 5, the structure of the present embodiment and embodiment mono-is roughly the same, and wherein identical parts adoptIdentical Reference numeral, difference is: in embodiment mono-, refrigerator 100 has refrigerating chamber 22, refrigerating chamber 23 and constant temperatureChamber between 21 3 of chambers, wherein thermostatic chamber 21 is located in refrigerating chamber 22 and is positioned at the bottom of refrigerating chamber 22, and in the present embodimentRefrigerator 100 there is chamber, wherein thermostatic chamber 21 between 24 4 of refrigerating chamber 22, refrigerating chamber 23, thermostatic chamber 21 and temperature-changing chambersBe located in temperature-changing chamber 24, and thermostatic chamber 21 occupies whole temperature-changing chamber 24.
Embodiment tri-:
As shown in Fig. 1, Fig. 6 and Fig. 7, the structure of the present embodiment and embodiment bis-is roughly the same, and wherein identical parts adoptIdentical Reference numeral, difference is: the thermostatic chamber 21 in embodiment bis-is located in temperature-changing chamber 24, and thermostatic chamber 21Occupy whole temperature-changing chamber 24, and thermostatic chamber 21 in the present embodiment is located in temperature-changing chamber 24, and is positioned at the upper of temperature-changing chamber 24Portion, only occupies the part of temperature-changing chamber 24.
According to the refrigerator of the embodiment of the present invention, by condensation heating pipe is set in thermostatic chamber, and by control module controlWhether switching device shifter is controlled condensation heating pipe and whether is carried out heating work and blow real by controlling the air door of thermostatic chamberNow refrigeration, thus make the temperature constant of thermostatic chamber, can meet the storage request of different food materials, realize full category foodThe storage of material. In addition, use condensation heating pipe belt is replaced the heater strip in traditional heating etc., has effectively reducedTemperature fluctuation in thermostatic chamber, the security that has improved refrigerator, and greatly reduced energy consumption.
In addition, embodiments of the invention have also proposed the temperature-controlled process of thermostatic chamber in a kind of refrigerator. Wherein, this refrigeratorCan be the refrigerator that above-described embodiment is described, it comprises refrigeration system, described refrigeration system comprise compressor, condenser,Evaporimeter, condensation heating pipe, connecting line and switching device shifter, described compressor has air entry and exhaust outlet, described inOne end of condenser is connected with described exhaust outlet, and the other end of described condenser and one end of described evaporimeter be connected,The other end of described evaporimeter is connected with described air entry, described in described condensation heating pipe and described connecting line are connected in parallel onBetween described one end of exhaust outlet and described condenser, described condensation heating pipe is positioned at described thermostatic chamber, described switchingDevice is formed at and is communicated with the first switching position of described exhaust outlet and described condensation heating pipe and is communicated with described exhaust outletAnd changeable between the second switching position of described connecting line. As shown in Figure 8, the temperature control of thermostatic chamber in this refrigeratorMethod processed comprises the following steps:
S1, obtains the design temperature of thermostatic chamber.
S2, air door and switching device shifter according to the design temperature of thermostatic chamber to thermostatic chamber are controlled, so that the temperature of thermostatic chamberDegree remains on design temperature. Wherein, design temperature can regulate according to user's demand.
According to one embodiment of present invention, in described refrigerator, there is at least one in refrigerating chamber, refrigerating chamber and temperature-changing chamber,Wherein said thermostatic chamber chamber is located at least one in described refrigerating chamber, described refrigerating chamber and described temperature-changing chamber, wherein,Air door according to the design temperature of described thermostatic chamber to described thermostatic chamber and described switching device shifter are controlled and are comprised: work as instituteThe design temperature of stating thermostatic chamber lower than in described refrigerating chamber, described refrigerating chamber and described temperature-changing chamber described at least oneWhen the preset temperature of the inner space except described thermostatic chamber, control described switching device shifter and switch to described the second toggle bitPut, and, when the temperature in described thermostatic chamber is during higher than the design temperature of described thermostatic chamber, control described thermostatic chamberAir door is opened; When the temperature in described thermostatic chamber is during lower than the design temperature of described thermostatic chamber, control described thermostatic chamberAir door is closed.
And the air door according to the design temperature of described thermostatic chamber to described thermostatic chamber and described switching device shifter are also controlledComprise: when the design temperature of described thermostatic chamber is higher than described in described refrigerating chamber, described refrigerating chamber and described temperature-changing chamberWhen the preset temperature of the inner space except described thermostatic chamber of at least one, control described in described switching device shifter switches toThe first switching position, and the air door of controlling described thermostatic chamber is in closed condition, wherein, when the temperature in described thermostatic chamberDegree during higher than the design temperature of described thermostatic chamber, is controlled described switching device shifter and is switched to described the second switching position.
Particularly, in the time that thermostatic chamber is in refrigerating chamber, as shown in Figure 9, the temperature control of thermostatic chamber in above-mentioned refrigeratorMethod comprises the following steps:
S11, refrigerator energising.
S12, obtains the design temperature of thermostatic chamber.
S13, whether the design temperature that judges thermostatic chamber is higher than the preset temperature of refrigerating chamber. If so, execution step S14;If not, execution step S17.
S14, controls switching device shifter and switches to the first switching position, makes condensation heating pipe access refrigerant circulation, and controlsThe air door of thermostatic chamber is in closed condition.
S15, judges that whether temperature in thermostatic chamber is higher than design temperature. If so, execution step S16; If not,Return to step S14.
S16, controls switching device shifter and switches to the second switching position, and condensation heating pipe is shifted out to refrigerant circulation.
S17, controls switching device shifter and switches to the second switching position, condensation heating pipe is shifted out to refrigerant circulation, and judgement is permanentWhether the temperature in greenhouse is higher than design temperature. If so, execution step S18; If not, execution step S19.
S18, controls the air door of thermostatic chamber and opens.
S19, controls the air door of thermostatic chamber and closes.
According to the temperature-controlled process of thermostatic chamber in refrigerator of the present invention, control condensation heating pipe by controlling switching device shifterWhether carry out heating work and whether blow to realize refrigeration by controlling the air door of thermostatic chamber, thereby make thermostatic chamberTemperature constant, can meet the storage request of different food materials, realizes the storage of full category food materials. In addition, use condensationHeating tube replaces the heater strip in traditional heating etc., has effectively reduced the temperature fluctuation in thermostatic chamber, improvesThe security of refrigerator, and greatly reduced energy consumption.
In the description of this description, reference term " embodiment ", " some embodiment ", " illustrative examples ",It is concrete that the description of " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or exampleFeature, structure, material or feature are contained at least one embodiment of the present invention or example. In this manual, rightThe schematic statement of above-mentioned term not necessarily refers to identical embodiment or example. And, the specific features of description, structure,Material or feature can be with suitable mode combinations 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: not de-In the situation of principle of the present invention and aim, can carry out multiple variation, amendment, replacement and modification to these embodiment,Scope of the present invention is limited by claim and equivalent thereof.
Claims (12)
1. a refrigerator, is characterized in that, comprising:
Casing, has thermostatic chamber in described casing;
Refrigeration system, described refrigeration system is located on described casing, and described refrigeration system comprises compressor, condenser, steamingHair device, condensation heating pipe, connecting line and switching device shifter, described compressor has air entry and exhaust outlet, described coldOne end of condenser is connected with described exhaust outlet, and the other end of described condenser and one end of described evaporimeter be connected, instituteThe other end of stating evaporimeter is connected with described air entry, and described condensation heating pipe and described connecting line are connected in parallel on described rowBetween described one end of gas port and described condenser, described condensation heating pipe is positioned at described thermostatic chamber, described switching dressPut be formed at be communicated with the first switching position of described exhaust outlet and described condensation heating pipe and be communicated with described exhaust outlet andChangeable between the second switching position of described connecting line;
Control module, described control module is for obtaining the design temperature of described thermostatic chamber, and establishing according to described thermostatic chamberAir door and the described switching device shifter of fixed temperature to described thermostatic chamber controlled, so that the temperature of described thermostatic chamber remains onDescribed design temperature.
2. refrigerator according to claim 1, is characterized in that, in described casing, have refrigerating chamber, refrigerating chamber andAt least one in temperature-changing chamber, wherein said thermostatic chamber chamber is located at described refrigerating chamber, described refrigerating chamber and described temperature-changing chamberIn at least one in,
On described thermostatic chamber, be formed with air inlet and return air inlet, the air door of described thermostatic chamber is arranged on described air inlet and sentences controlMake in described thermostatic chamber and described refrigerating chamber, described refrigerating chamber and described temperature-changing chamber described at least one except described perseveranceThe conducting of the inner space outside greenhouse and partition.
3. refrigerator according to claim 2, is characterized in that, when the design temperature of described thermostatic chamber is lower than describedDescribed at least one the inner space except described thermostatic chamber in refrigerating chamber, described refrigerating chamber and described temperature-changing chamberWhen preset temperature, switching device shifter switches to described the second switching position described in described control module control, and,
When the temperature in described thermostatic chamber is during higher than the design temperature of described thermostatic chamber, constant temperature described in described control module controlThe air door of chamber is opened;
When the temperature in described thermostatic chamber is during lower than the design temperature of described thermostatic chamber, constant temperature described in described control module controlThe air door of chamber is closed.
4. refrigerator according to claim 2, is characterized in that, when the design temperature of described thermostatic chamber is higher than describedDescribed at least one the inner space except described thermostatic chamber in refrigerating chamber, described refrigerating chamber and described temperature-changing chamberWhen preset temperature, switching device shifter switches to described the first switching position described in described control module control, and described in controllingThe air door of thermostatic chamber is in closed condition, wherein,
When the temperature in described thermostatic chamber is during higher than the design temperature of described thermostatic chamber, switch described in described control module controlDevice switches to described the second switching position.
5. according to the refrigerator described in any one in claim 1-4, it is characterized in that, further comprise:
Heat accumulating part, described heat accumulating part is located in described thermostatic chamber, and wherein said condensation heating pipe is located at described storageOn hot material part.
6. refrigerator according to claim 5, is characterized in that, described condensation heating pipe expose at least partly instituteState outside heat accumulating part.
7. refrigerator according to claim 6, is characterized in that, the vicinity institute of the periphery wall of described condensation heating pipeStating the part at thermostatic chamber center exposes outside described heat accumulating part.
8. refrigerator according to claim 1, is characterized in that, described condensation heating pipe is described condenser onePart.
9. refrigerator according to claim 1, is characterized in that, described switching device shifter is dynamoelectric switching valve.
10. a temperature-controlled process for thermostatic chamber in refrigerator, is characterized in that, described refrigerator comprises refrigeration system, instituteState refrigeration system and comprise compressor, condenser, evaporimeter, condensation heating pipe, connecting line and switching device shifter, described inCompressor has air entry and exhaust outlet, and one end of described condenser is connected with described exhaust outlet, and described condenserThe other end is connected with one end of described evaporimeter, and the other end of described evaporimeter is connected with described air entry, described condensationHeating tube and described connecting line are connected in parallel between described one end of described exhaust outlet and described condenser, and described condensation addsHeat pipe is positioned at described thermostatic chamber, and described switching device shifter is formed at and is communicated with described exhaust outlet and described condensation heating pipeThe first switching position and be communicated with between the second switching position of described exhaust outlet and described connecting line changeable, described inMethod comprises the following steps:
Obtain the design temperature of described thermostatic chamber;
Air door according to the design temperature of described thermostatic chamber to described thermostatic chamber and described switching device shifter are controlled, so that instituteThe temperature of stating thermostatic chamber remains on described design temperature.
11. methods according to claim 10, is characterized in that, have refrigerating chamber, refrigerating chamber in described refrigeratorWith at least one in temperature-changing chamber, wherein said thermostatic chamber chamber is located at described refrigerating chamber, described refrigerating chamber and described alternating temperatureIn at least one in chamber, wherein, according to the design temperature of described thermostatic chamber to the air door of described thermostatic chamber and described in cutChanging device is controlled and is comprised:
When at least described lower than in described refrigerating chamber, described refrigerating chamber and described temperature-changing chamber of the design temperature of described thermostatic chamberWhen the preset temperature of the inner space except described thermostatic chamber of, control described switching device shifter and switch to described secondSwitching position, and,
When the temperature in described thermostatic chamber is during higher than the design temperature of described thermostatic chamber, control the air door of described thermostatic chamber and beatOpen;
When the temperature in described thermostatic chamber is during lower than the design temperature of described thermostatic chamber, the air door of controlling described thermostatic chamber closesClose.
12. methods according to claim 11, is characterized in that, according to the design temperature of described thermostatic chamber to instituteStating the air door of thermostatic chamber and described switching device shifter also controls and comprises:
When at least described higher than in described refrigerating chamber, described refrigerating chamber and described temperature-changing chamber of the design temperature of described thermostatic chamberWhen the preset temperature of the inner space except described thermostatic chamber of, control described switching device shifter and switch to described firstSwitching position, and the air door of controlling described thermostatic chamber is in closed condition, wherein,
When the temperature in described thermostatic chamber is during higher than the design temperature of described thermostatic chamber, control described switching device shifter and switch to instituteState the second switching position.
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| CN112146335A (en) * | 2019-06-26 | 2020-12-29 | 青岛海尔电冰箱有限公司 | Refrigerator with heat preservation function and control method |
| CN113390217A (en) * | 2020-03-12 | 2021-09-14 | 合肥华凌股份有限公司 | Refrigerating device, refrigerator and control method thereof, food material processing method and control device |
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