CN101413747B - Improved refrigerator with temperature-variable room - Google Patents
Improved refrigerator with temperature-variable room Download PDFInfo
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- CN101413747B CN101413747B CN2007100472214A CN200710047221A CN101413747B CN 101413747 B CN101413747 B CN 101413747B CN 2007100472214 A CN2007100472214 A CN 2007100472214A CN 200710047221 A CN200710047221 A CN 200710047221A CN 101413747 B CN101413747 B CN 101413747B
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- temperature
- changing chamber
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Abstract
An improved refrigerator with a cool select zone comprises a refrigerating room, a cold room, the cool select zone and a control part. The cool select zone is arranged in the cold room and provided with an air inlet and an air outlet. The refrigerator also comprises an induced duct, one end of which is connected with the refrigerating room and the other end of which is connected with the air inlet of the cool select zone; as well as an air quantity control structure connected with the induced duct. The control method for the refrigerator comprises: when T is more than Ts-0.5, a controller opens an electric air door to lead cooling air and the on-state of an evaporator fan is retained, if the fan stops, the fan is forcedly started to speed up the flow of cooling air and lower the temperature; when T is less than Ts-0.5, the controller closes the electric air door, the fan recovers to the normal operating state for heat preservation. The refrigerator can conveniently set the temperature to satisfy the fresh-keeping requirements of most daily food; moreover, the refrigerator has the advantages of simple structure, high speed of temperature change, wide regulation range, no remaining frost formation, etc..
Description
Technical field
The invention belongs to technical field of electric appliances, relate to refrigerator, especially have the refrigerator of alternating temperature function.
Background technology
Existing refrigerator on the market is an example with the clamshell doors refrigerator, mostly comprises independently refrigerating chamber and refrigerating chamber, lays respectively at the left and right sides of refrigerator body.Wherein refrigerating chamber is positioned at the right side of casing, takies very big space, but its reserve temperature can only regulate in scope very limited more than 0 ℃, with present user the diversified temperature requirements of preserving food is contradicted.Existing temperature-changing chamber is introduced cold air through the method for digging a hole in the refrigerating chamber side and is carried out heat with the mode of free convection and transmit on the market; The temperature-changing chamber that adopts this mode is because temperature-changing chamber directly is communicated with refrigerating chamber, and refrigerating chamber is interior can to form residual white phenomenon in the refrigerating chamber side thereby the wet gas in the temperature-changing chamber will get into.Utilize the mode of free convection to carry out heat transmission simultaneously, thereby cooling velocity is also relatively slow.In a word, it is little that existing temperature-changing chamber has temperature regulating range usually, and temperature changing speed reaches because structure and control method are improper many shortcomings such as occurring the frosting phenomenon in the refrigerating chamber side slowly.
Summary of the invention
The object of the present invention is to provide a kind of improved refrigerator with temperature-changing chamber, realize that an internal temperature can change in the larger context and not can the refrigerating chamber side occur the frosting phenomenon the scalable temperature between the chamber.
For reaching above purpose, the solution that the present invention adopted is:
Improved refrigerator with temperature-changing chamber comprises refrigerating chamber, refrigerating chamber, temperature-changing chamber, and control section, temperature-changing chamber are arranged in the refrigerating chamber, and this temperature-changing chamber comprises outer box and drawer, and this temperature-changing chamber is provided with air inlet, return air inlet; Also comprise induced duct, the one of which end links to each other with refrigerating chamber, and the other end links to each other with the air inlet of temperature-changing chamber; Also comprise the air quantity control structure that links to each other with induced duct and link to each other with said control section, and by the evaporator fan of said control section according to its rotating speed of temperature control of temperature-changing chamber;
This induced duct is embedded in the interlayer between refrigerating chamber and the refrigerating chamber; Bottom in the middle of the open upper end of induced duct is positioned at from refrigerating chamber to the refrigerating chamber air channel; Link to each other with the evaporimeter air channel of refrigerating chamber, lower ending opening is positioned at temperature-changing chamber air inlet front, communicates with the return air inlet on outer box right side; Form a complete loop, air channel, said evaporator fan is arranged in loop, said air channel.
Further, the outer box of this temperature-changing chamber left side have one be convenient to induced duct the air inlet that gets into of cold air, outer box right side is the air port once, internal cavities is used for holding drawer.
This air quantity control structure is a MOD.
This MOD is arranged in the middle of the left side and induced duct lower ending opening of outer box.
Temperature sensor is arranged in the temperature-changing chamber, and the temperature of induction temperature-changing chamber is sent to the master control borad of control section, and on display board, shows.
Control section also comprises button, links to each other with master control borad, is used to set the temperature value of temperature-changing chamber, and through display unit, for example shows through 4 LED lamps.
Above-mentioned control method of refrigerator comprises: through the actual temperature T of temperature sensor senses temperature-changing chamber; The user is compared through temperature T s and actual temperature T by the key assignments temperature-changing chamber; When actual temperature T sets difference greater than the temperature T s that sets temperature-changing chamber; Control section instruction MOD is opened, and introduces cold air, and keeps the opening of evaporator fan; If evaporator fan is in and stops, then force start is to quicken cold air flow, to accelerate cooling; When actual temperature T set difference less than design temperature Ts, control section instruction MOD was closed, and evaporator fan is got back to normal operating condition to be incubated.
Also comprise: the design temperature Ts of temperature-changing chamber is shown by the LED lamp of display board; With temperature sensor senses to the actual temperature T of temperature-changing chamber on display board, show.
This setting difference is 0.5 degree centigrade.
Owing to adopted such scheme; The present invention has following characteristics: it is provided with a temperature-changing chamber in the refrigerating chamber of refrigerator; Can easily temperature be set at-10 ℃ (being fit to ice cream);-7 ℃ (being fit to meat) ,-4 ℃ (being fit to prepared food) and 0 ℃ (deepfreeze) can satisfy the fresh-keeping requirement of most of daily bread; And have simple in structurely, and alternating temperature speed is fast, and adjustable range is extensively and can not form advantage such as residual frost at refrigerating chamber.
Description of drawings
Fig. 1 is the clamshell doors refrigerator structure sketch map of the embodiment of the invention.
Fig. 2 is the theory diagram of the control section of the embodiment of the invention.
Fig. 3 is the temperature control flow figure of the embodiment of the invention.
The specific embodiment
Below in conjunction with the accompanying drawing illustrated embodiment the present invention is further described.
As shown in Figure 1, temperature-changing chamber is made up of structure division and control section two large divisions among the present invention.Wherein structure division is used for constituting the main body and the air channel of temperature-changing chamber, and control part assigns to accomplish the temperature-changing chamber temperature controlling.As shown in Figure 1, the left side of casing is a refrigerating chamber 10, in refrigerating chamber, is provided with evaporimeter 9, and an evaporator fan 1 is arranged on evaporimeter top, and refrigerating chamber 3 is positioned at the right side of casing, and temperature of refrigerating chamber carries out independent control by MOD 2.Temperature-changing chamber is positioned at the bottom of refrigerating chamber 3, adds a drawer 7 by outer box 6 and forms.Embedding in the interlayer between refrigerating chamber and refrigerating chamber have an induced duct 5, the bottom in the middle of the open upper end of this induced duct is positioned at from refrigerating chamber to the refrigerating chamber air channel, and lower ending opening is positioned at temperature-changing chamber air inlet front.One MOD 11 is arranged in the middle of the left side of box 6 and induced duct 5 lower ending openings outside, and cold air gets in the temperature-changing chamber via MOD from the lower ending opening of induced duct.Air port 8 once, the right side of box outside, thus this return air inlet 8 links to each other with the evaporimeter that is positioned at refrigerating chamber 10 9 air channels through the air channel and constitutes a complete loop, air channel.
As shown in Figure 2, control section of the present invention mainly is made up of master control borad, button, temperature sensor, MOD and display board.The temperature sensor 4 that the is positioned at temperature-changing chamber at first temperature signal of nernst cell is sent to master control borad, is judged current actual temperature and is shown by display board by master control borad.Button links to each other with master control borad, can set the temperature value of temperature-changing chamber through button, and the result of setting representes through 4 LED lamps.
The temperature-controlled process of temperature-changing chamber is as shown in Figure 3; At first require temperature through pressing the key assignments temperature-changing chamber according to the user; Microcontroller identification above the master control borad is represented on display board with different LED lamps by the result of key assignments and with the state of setting; The signal that the microcontroller temperature sensor sends from temperature-changing chamber identifies the actual temperature T in the current temperature-changing chamber and the temperature T s of this temperature and setting is compared; If actual temperature T is more than or equal to more than design temperature Ts+0.5 ℃ the time, controller sends instruction opens so that the cold of coming from induced duct can enter in the temperature-changing chamber MOD.This moment, controller also can be judged the ruuning situation of evaporator fan; If evaporator fan be open just to keep its present situation constant, if thereby fan be stop just open with convenient MOD unlatching through controller the time have cold in induced duct enters into temperature-changing chamber, to reach the purpose of fast cooling from evaporimeter through the running of fan always.After cooling after a while; When the temperature in the temperature-changing chamber dropped to below design temperature Ts-0.5 ℃, controller sends instruction closed MOD, thereby stops cold air to flow into temperature-changing chamber again; Cancel the force start evaporator fan simultaneously and make it get back to normal operating condition, get into holding stage.Open MOD again and start fan to time more than Ts+0.5 ℃ when temperature recovery and blow, so go round and begin again and just can control temperature in the temperature-changing chamber accurately in the temperature range that sets.
Structurally face of the present invention has increased induced duct; The control aspect is the force start evaporator fan after opening MOD; Mode with forced convertion is blown into cold air in the temperature-changing chamber through induced duct from evaporimeter; The normal operational mode of forced service recovering state of cancellation evaporator fan adopts the temperature-changing chamber of this implementation to avoid temperature-changing chamber to be communicated with the direct of refrigerating chamber after MOD is closed, and can thoroughly stop the generation of residual white phenomenon; In addition, adopt the heat transfer type of forced convertion, its cooling velocity is faster with respect to the free convection mode.
This temperature-changing chamber can be set at temperature-10 ℃ (being fit to ice cream) easily, and-7 ℃ (being fit to meat) ,-4 ℃ (being fit to prepared food) and 0 ℃ (deepfreeze) can satisfy the fresh-keeping requirement of most of daily bread.
The above-mentioned description to embodiment is can understand and use the present invention for ease of the those of ordinary skill of this technical field.The personnel of skilled obviously can easily make various modifications to these embodiment, and needn't pass through performing creative labour being applied in the General Principle of this explanation among other embodiment.Therefore, the invention is not restricted to the embodiment here, those skilled in the art should be within protection scope of the present invention for improvement and modification that the present invention makes according to announcement of the present invention.
Claims (9)
1. improved refrigerator with temperature-changing chamber comprises refrigerating chamber, refrigerating chamber, temperature-changing chamber, and control section is characterized in that: temperature-changing chamber is arranged in the refrigerating chamber, and this temperature-changing chamber comprises outer box and drawer, and this temperature-changing chamber is provided with air inlet, return air inlet; Also comprise induced duct, the one of which end links to each other with refrigerating chamber, and the other end links to each other with the air inlet of temperature-changing chamber; Also comprise the air quantity control structure that links to each other with induced duct and link to each other with said control section, and by the evaporator fan of said control section according to its rotating speed of temperature control of temperature-changing chamber;
This induced duct is embedded in the interlayer between refrigerating chamber and the refrigerating chamber; Bottom in the middle of the open upper end of induced duct is positioned at from refrigerating chamber to the refrigerating chamber air channel; Link to each other with the evaporimeter air channel of refrigerating chamber, lower ending opening is positioned at temperature-changing chamber air inlet front, communicates with the return air inlet on outer box right side; Form a complete loop, air channel, said evaporator fan is arranged in loop, said air channel.
2. improved refrigerator with temperature-changing chamber according to claim 1 is characterized in that: the outer box left side of this temperature-changing chamber have one be convenient to induced duct the air inlet that gets into of cold air, outer box right side is the air port once, internal cavities is used for holding drawer.
3. improved refrigerator with temperature-changing chamber according to claim 2 is characterized in that: this air quantity control structure is a MOD.
4. improved refrigerator with temperature-changing chamber according to claim 3 is characterized in that: this MOD is arranged in the middle of the left side and induced duct lower ending opening of outer box.
5. improved refrigerator according to claim 4 with temperature-changing chamber, it is characterized in that: temperature sensor is arranged in the temperature-changing chamber, and the temperature of induction temperature-changing chamber is sent to the master control borad of control section, and on display board, shows.
6. improved refrigerator with temperature-changing chamber according to claim 5, it is characterized in that: control section also comprises button, links to each other with master control borad, is used to set the temperature value of temperature-changing chamber, and shows through the LED lamp.
7. the said control method of refrigerator of claim 6 is characterized in that: comprising: through the actual temperature T of temperature sensor senses temperature-changing chamber; The user is compared through temperature T s and actual temperature T by the key assignments temperature-changing chamber; When actual temperature T sets difference greater than the temperature T s that sets temperature-changing chamber; Control section instruction MOD is opened, and introduces cold air, and keeps the opening of evaporator fan; If evaporator fan is in and stops, then force start is to quicken cold air flow, to accelerate cooling; When actual temperature T set difference less than design temperature Ts, control section instruction MOD was closed, and evaporator fan is got back to normal operating condition to be incubated.
8. control method of refrigerator according to claim 7 is characterized in that: also comprise: the design temperature Ts of temperature-changing chamber is shown by the LED lamp of display board; With temperature sensor senses to the actual temperature T of temperature-changing chamber on display board, show.
9. control method of refrigerator according to claim 8 is characterized in that: this setting difference is 0.5 degree centigrade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100472214A CN101413747B (en) | 2007-10-19 | 2007-10-19 | Improved refrigerator with temperature-variable room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100472214A CN101413747B (en) | 2007-10-19 | 2007-10-19 | Improved refrigerator with temperature-variable room |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101413747A CN101413747A (en) | 2009-04-22 |
| CN101413747B true CN101413747B (en) | 2012-07-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007100472214A Expired - Fee Related CN101413747B (en) | 2007-10-19 | 2007-10-19 | Improved refrigerator with temperature-variable room |
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Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101968663B (en) * | 2010-09-17 | 2013-09-25 | 合肥美的电冰箱有限公司 | Temperature control method and device of temperature changing subchamber and refrigerator with same |
| CN102538343B (en) * | 2010-12-10 | 2016-06-15 | 博西华家用电器有限公司 | The ducting system of a kind of refrigerator and therebetween chamber |
| CN102261803B (en) * | 2011-08-25 | 2013-09-04 | 合肥美的电冰箱有限公司 | Refrigerator and ice refreshing refrigeration box thereof |
| CN102374753A (en) * | 2011-09-30 | 2012-03-14 | 合肥美的荣事达电冰箱有限公司 | Refrigeration control method of air cooling refrigerator |
| CN102706069B (en) * | 2012-06-14 | 2014-12-10 | 海信容声（扬州）冰箱有限公司 | Refrigerator and control method for temperature-changing chamber of refrigerator |
| CN103423942B (en) * | 2013-08-13 | 2016-01-13 | 海信容声(广东)冰箱有限公司 | A kind of refrigerator being provided with separate variable-temperature |
| CN104344635A (en) * | 2013-12-23 | 2015-02-11 | 海尔集团公司 | Uniform temperature-changing chamber and refrigerator with same |
| CN104457094A (en) * | 2014-06-27 | 2015-03-25 | 青岛海尔股份有限公司 | Refrigerator |
| CN104180579A (en) * | 2014-09-10 | 2014-12-03 | 合肥美的电冰箱有限公司 | Refrigerator |
| CN104266433B (en) * | 2014-10-08 | 2018-03-16 | 合肥美的电冰箱有限公司 | Refrigerator |
| CN105157338B (en) * | 2015-08-20 | 2018-03-30 | 海信（山东）冰箱有限公司 | A kind of refrigerator temperature-changing chamber control method and device |
| CN105042987B (en) * | 2015-08-20 | 2017-09-29 | 海信（山东）冰箱有限公司 | A kind of refrigerator temperature-changing chamber control method and device |
| CN105806010B (en) * | 2016-05-17 | 2018-07-24 | 合肥美菱股份有限公司 | A kind of wind cooling refrigerator and its control method including temperature controllable humidity regions |
| CN107024062B (en) * | 2017-05-31 | 2020-07-28 | 青岛海尔股份有限公司 | Refrigerator and control method thereof |
| CN108088147B (en) * | 2017-12-07 | 2020-11-06 | 合肥华凌股份有限公司 | Refrigerator with a door |
| CN109696010B (en) * | 2018-02-09 | 2020-12-01 | 海尔智家股份有限公司 | Cold-stored air supply assembly and side by side combination refrigerator |
| CN109696009B (en) * | 2018-02-09 | 2020-12-04 | 海尔智家股份有限公司 | Cold-stored air supply assembly and refrigerator |
| CN109696001A (en) * | 2018-02-09 | 2019-04-30 | 青岛海尔股份有限公司 | Refrigeration air-supply assembly |
| CN112240677B (en) * | 2020-11-25 | 2021-11-30 | 合肥工业大学 | Control method for multifunctional chamber of refrigerator |
| CN113985951B (en) * | 2021-12-22 | 2022-03-22 | 广州市腾嘉自动化仪表有限公司 | Semiconductor material vacuum multi-temperature-zone control method and system |
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| CN101413747A (en) | 2009-04-22 |
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