CN201203320Y - Indirect cold type three-door three-temperature zone refrigerator - Google Patents
Indirect cold type three-door three-temperature zone refrigerator Download PDFInfo
- Publication number
- CN201203320Y CN201203320Y CNU2008201106785U CN200820110678U CN201203320Y CN 201203320 Y CN201203320 Y CN 201203320Y CN U2008201106785 U CNU2008201106785 U CN U2008201106785U CN 200820110678 U CN200820110678 U CN 200820110678U CN 201203320 Y CN201203320 Y CN 201203320Y
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- refrigerating chamber
- cooling
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Abstract
The utility model relates to an intermittent-cooling three-door three-temperature-zone refrigerator, which comprises a controller, a compressor, a condenser, an evaporator, a fan, a door and a casing, the casing is divided into a chilling chamber, a variable temperature chamber and a freezing chamber, wherein the chilling chamber, the variable temperature chamber and the freezing chamber are arranged from up to down in order, the compressor, the condenser and one evaporator form a refrigeration circulation system, a motor and a circulation air channel led to the chilling chamber, the variable temperature chamber and the freezing chamber form a cooling air circulation system. By the single fan matched with multi-way circulation air channel, the efficiency of the fan is improved and the air feeding mechanism is simplified; controllable air door is adopted to control circulation quantity of cooling air and consider systematic balance, thereby meeting the requirement of multi-temperature-zone control.
Description
Technical field
The utility model relates to three three-temperature-zone refrigerators of a kind of indirect-cooling.
Background technology
The household refrigerator-freezer that is commonly called as is made a general reference two-door two temperature, three three temperature, cabinet type multi-door refrigerator.Generally have independently refrigerating chamber external door, the volume of refrigerating chamber is also bigger, is about 1/4～1/2 of total measurement (volume), can store more frozen food.The refrigerating chamber that has also is provided with compartment and door, so that according to the different storage temperature of food and separate storage.
The refrigeration principle of this household refrigerator-freezer is divided into direct-cooling type and indirect-cooling.The flow direction of the refrigeration system of direct-cooling type solenoid control refrigerant commonly used is supplied with refrigerant to the evaporimeter of each refrigeration (freezing) chamber respectively, and it is temperature required that each space is cooled to.Common two-door double temperature double control refrigerator adopts two-position three way magnetic valve to control the refrigerant of supplying with refrigeration and refrigerating chamber respectively; The household refrigerator-freezer of indirect-cooling need be provided with corresponding wind channels and be each space air-supply.
Raising along with people's living standard, people have higher requirement to refrigerator, as: more can adapt to the refrigeration of various foods for making refrigerator, on refrigerator, have additional ice greenhouse (fruit chamber, thin dish chamber), be used to refrigerate the high slightly food of refrigerated storage temperature such as fruit, vegetables.Therefore, three three-temperature-zone derect refrigerated refrigerators that a compressor is supplied with refrigerant have respectively appearred, for realizing the refrigeration respectively of three Room, need to adopt one advance three go out magnetic valve to cryogen flow to control respectively.Because increasing of control channel, single reciprocating type spool difficulty is accomplished, thereby existing refrigerator advances three with one and goes out magnetic valve, more employing rotary valve form, its structure is provided with three outlets for the valve wall, by the rotation of a step motor control spool, when spool rotates to a certain angle one of them outlet is communicated with inlet tube, other two are sealing, reach three passages of control connection three Room respectively with this.Yet rotary valve arrangement complexity, requirement on machining accuracy is high, not only the manufacturing process complexity, present domestic processing technology is difficult to accomplish that even make the also difficult internal leakage requirement of satisfying valve, and spool anglec of rotation control accuracy requires also high, the control circuit complexity, so manufacturing cost is higher.
For three three-temperature-zone refrigerators of inter cold type structure, the structure that has all adopted multi-evaporator, multi fan to control respectively solves the problem of kind of refrigeration cycle and control.This design makes complex structure, and manufacturing cost improves and efficient reduces.
In view of the above problems, the utility model is proposed.
The utility model content
The purpose of this utility model is to provide a kind of indirect-cooling three three-temperature-zone refrigerators, and it can also can realize kind of refrigeration cycle and control under the situation that does not adopt multi-evaporator, multi fan to control respectively.
The utility model provides a kind of indirect-cooling three three-temperature-zone refrigerators, comprise controller, compressor, condenser, evaporimeter, blower fan, chamber door and casing, be divided into refrigerating chamber, temperature-changing chamber and refrigerating chamber in the casing, wherein, refrigerating chamber, temperature-changing chamber and refrigerating chamber set gradually from top to bottom, compressor, condenser and an evaporimeter constitute cooling cycle system, constitute cold air circulating system by a blower fan and the circulation air path that leads to refrigerating chamber, temperature-changing chamber, refrigerating chamber.
Adopt single blower fan to cooperate the multichannel circulation air path, improved fan efficiency, simplified the wind pushing mechanism setting; Employing can be controlled air door, and the internal circulating load of control cold wind is taken into account system balancing, satisfies the requirement that many warm areas are controlled respectively.
The preferred evaporimeter of the utility model is arranged on the rear portion of refrigerating chamber.
Be beneficial to air channel layout spatially like this, like this.
The preferred blower fan of the utility model is located at the rear portion of temperature-changing chamber, is positioned at the top of evaporimeter.
Because temperature improved after cold wind and evaporimeter carried out heat exchange, be easy to the characteristics that upwards flow and save power so such setting can make full use of the high air-flow of temperature.
The utility model preferably is provided with the temperature-changing chamber air door of the regulated aperture that is used to regulate intake on the circulation air path that leads to refrigerating chamber, temperature-changing chamber.
By the adjusting of temperature-changing chamber throttle opening, can realize the refrigerator storeroom temperature controlling.
The preferred temperature-changing chamber air door of the utility model comprises the air door seat, is located at rotatable blinker on the air door seat, and an end of this rotatable blinker is provided with the driving section that is connected with control part.
By the control of control part, can realize control to throttle opening to the driving section.
Be provided with in the preferred refrigerating chamber of the utility model, refrigerating chamber and the temperature-changing chamber and detect the temperature sensor of indoor temperature separately.
Can monitor indoor temperature separately in real time like this, and carry out adjustment according to detected temperature.
It is relatively independent that the utility model preferably leads to the circulation air path of refrigerating chamber, temperature-changing chamber, refrigerating chamber.
Can make the air-flow in the air channel separately relatively independent like this, not interact.
The compound overlap joint of circulation air path that the utility model preferably leads to refrigerating chamber, temperature-changing chamber, refrigerating chamber forms.
Be beneficial to conserve space like this.
The preferred air channel of the utility model is arranged on the outside of the cavity of inner bag and cabinet shell formation.
This makes technology simple, is convenient to maintenance.
The cross section in the utility model preferred cycle air channel is roughly rectangular.
Be beneficial to the layout on the space like this.
The utility model uses an evaporimeter owing to common in freezing, refrigeration, alternating temperature work, and utilizes the formed circulation air path of blower fan of the present utility model, air channel and air door, therefore can reach required temperature by the intake of regulating each interior space.
In addition, the utility model is separated soft freezing chamber in refrigerating chamber, forms an independent space, fully independently realizes its alternating temperature function, and the temperature of drawer type temperature-changing chamber can be regulated continuously from-18 ℃～10 ℃.
Description of drawings
Fig. 1 is three integrally-built front views of three-temperature-zone refrigerator of expression the utility model indirect-cooling.
Fig. 2 is three integrally-built side views of three-temperature-zone refrigerator of expression the utility model indirect-cooling.
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present utility model is described in further detail.
As shown in Figure 1 and Figure 2, refrigerator 1 has refrigerating chamber 2, temperature-changing chamber 3 and refrigerating chamber 4, and temperature-changing chamber 3 is arranged between refrigerating chamber 2 and the refrigerating chamber 4.Refrigerator 1 also has an evaporimeter 5 and a blower fan 6, and evaporimeter 5 is arranged on the rear portion of refrigerating chamber 4, and blower fan 6 is arranged on the rear portion of temperature-changing chamber 3, the top of evaporimeter 5.
In the utility model, compressor (not shown), condenser (not shown) and an evaporimeter 5 constitute cooling cycle system, and a blower fan 6 constitutes cold air circulating system with the circulation air path that leads to refrigerating chamber 2, temperature-changing chamber 3, refrigerating chamber 4.
During work, compressor promotes the refrigerant circulation, enters the refrigerant heat absorption evaporation of evaporimeter 5, and blower fan 6 is delivered to corresponding chamber with cold wind through circulation air path.Be cold wind through refrigerating chamber, enter refrigerating chamber and temperature-changing chamber.
The glide path of air-flow is shown in arrow among the figure.
Refrigerating chamber 4 has refrigerating chamber air outlet 11 and refrigerating chamber return air inlet 12, blower fan 6 is delivered to refrigerating chamber 4 with cold wind via refrigerating chamber air outlet 11, cold wind returns the air channel by refrigerating chamber return air inlet 12 finish heat exchange in refrigerating chamber 4 after, and upwards flows, and does heat exchange with evaporimeter 5.As shown in Figure 1, refrigerating chamber air outlet 11 separately is provided with four at refrigerating chamber 4 inner bag trailing flanks.
Mixing air after the heat exchange enters temperature-changing chamber 3 by temperature-changing chamber air inlet 13.Temperature-changing chamber air inlet 13 is provided with one, is arranged on temperature-changing chamber 3 inner bag trailing flank center upper portion, is beneficial to flowing of cold wind like this, and temperature-changing chamber air inlet 13 also can be arranged on other positions certainly.Temperature-changing chamber air inlet 13 is provided with temperature-changing chamber air door 16.Temperature-changing chamber air door 16 is the control air doors that can regulate aperture.Comprise air door seat and the rotatable blinker that is located on the air door seat, an end of this rotatable blinker is provided with the driving section that is connected with control part.The user can be according to the aperture of adjustment temperature-changing chamber air door 16.
Temperature-changing chamber 3 also has temperature-changing chamber air outlet 14 and temperature-changing chamber return air inlet 15.Air-flow part in the temperature-changing chamber 3 enters the air channel via temperature-changing chamber air outlet 14, and another part enters refrigerating chamber 4 via temperature-changing chamber return air inlet 15.Temperature-changing chamber air outlet 14 is provided with four, and the part of leaning on around the temperature-changing chamber air inlet 13 on temperature-changing chamber 3 tops arranged apart can utilize the principle that easily rises than thermal current that the air-flow that finishes heat exchange in the temperature-changing chamber 3 is discharged from temperature-changing chamber 3 like this.Temperature-changing chamber return air inlet 15 is arranged on one jiao of the inner bag trailing flank bottom of temperature-changing chamber 3, and this is beneficial to colder air-flow is entered in the refrigerating chamber 4.
In addition, also be provided with refrigerating chamber air inlet 17 at temperature-changing chamber 3, it is used for cold wind is directed to refrigerating chamber 2 near a superposed setting in the temperature-changing chamber air outlet 14.
Link to each other with refrigeration air inlet 17, be provided with refrigerating chamber air inlet duct 20 at refrigerating chamber 2, and offer refrigerating chamber air door 19 in the bottom of refrigerating chamber air inlet duct 20, this refrigerating chamber air door 19 is the control air door that can regulate aperture, and is identical with the structure of temperature-changing chamber air door 16.The user can be according to the aperture of adjustment refrigerating chamber air door 19.
In addition, be provided with refrigerating chamber return air inlet 18 in refrigerating chamber 2, this refrigerating chamber return air inlet 18 is arranged on one jiao of the inner bag trailing flank bottom of refrigerating chamber 2.Cold wind carries out entering this refrigerating chamber return air inlet 18 after the heat exchange in refrigerating chamber 2, and enters into refrigerating chamber 4 through the air channel.
As mentioned above, air-flow is finished a circulation in refrigerator 1.
In the present embodiment, the circulation air path that leads to refrigerating chamber 2, temperature-changing chamber 3, refrigerating chamber 4 is relatively independent.Can certainly constitute by compound overlap joint, that is, the circulation air path that is communicated with different storerooms adopts a pipeline.For example, make air-flow enter the air channel of refrigerating chamber 4 and can adopt a pipeline, to not influence of realization of the present utility model from the air channel that refrigerating chamber return air inlet 18 enters refrigerating chamber 4 from temperature-changing chamber return air inlet 15.
In the present embodiment, on the circulation air path that leads to refrigerating chamber 2, temperature-changing chamber 3, air door is arranged.Certainly on the circulation air path that leads to refrigerating chamber 4, also air door can be arranged.
In the present embodiment, the section configuration in described air channel is a rectangle roughly, can certainly be for circular or square.
In addition, in described refrigerating chamber 2, refrigerating chamber 3 and temperature-changing chamber 4, be provided with and detect the temperature sensor of indoor temperature (not shown) separately.The signal that controller (not shown) transmits according to the temperature sensor that is installed in refrigerating chamber 2, temperature-changing chamber 3 and the refrigerating chamber 4, adjustment is located at the door opening degree on refrigerating chamber 2 and temperature-changing chamber 3 circulation air paths and the operating mode of compressor, makes whole system maintain set condition.
By the formation of described embodiment, the utility model can be provided at free adjustable temperature-changing chamber between 10 degree～-18 degree.
In addition, the utility model adopts the direct connection of single compressor and single evaporator, has simplified the setting of evaporimeter and the control loop of cold-producing medium.
The utility model is not limited to the structure described in the above-mentioned embodiment, and in the scope of described technological thought, the utility model can be made any variations.As long as its technological thought in scope of the present utility model, then all falls into technical protection scope of the present utility model.
Claims (10)
1. three three-temperature-zone refrigerators of an indirect-cooling, comprise evaporimeter (5), blower fan (6) and casing, be divided into refrigerating chamber (2), temperature-changing chamber (3) and refrigerating chamber (4) in the casing, it is characterized in that: refrigerating chamber (4) is arranged on the lower side, compressor, condenser and an evaporimeter (5) constitute cooling cycle system, by a blower fan (6) with lead to the circulation air path formation cold air circulating system of refrigerating chamber (2), temperature-changing chamber (3), refrigerating chamber (4).
2. three three-temperature-zone refrigerators of indirect-cooling as claimed in claim 1 is characterized in that: described evaporimeter (5) is arranged on the rear portion of described refrigerating chamber (4).
3. three three-temperature-zone refrigerators of indirect-cooling as claimed in claim 1 is characterized in that: described blower fan (6) is located at the rear portion of described temperature-changing chamber (3), is positioned at the top of evaporimeter (5).
4. three three-temperature-zone refrigerators of indirect-cooling as claimed in claim 1 is characterized in that: the temperature-changing chamber air door (16) that is provided with the regulated aperture that is used to regulate intake on the circulation air path that leads to described refrigerating chamber (2), temperature-changing chamber (3).
5. three three-temperature-zone refrigerators of indirect-cooling as claimed in claim 1, it is characterized in that: described temperature-changing chamber air door (16) comprises the air door seat, is located at rotatable blinker on the air door seat, and an end of this rotatable blinker is provided with the driving section that is connected with control part.
6. three three-temperature-zone refrigerators of indirect-cooling as claimed in claim 1 is characterized in that: be provided with in described refrigerating chamber (4), refrigerating chamber (2) and the temperature-changing chamber (3) and detect the temperature sensor of indoor temperature separately.
7. three three-temperature-zone refrigerators of indirect-cooling as claimed in claim 1 is characterized in that: the circulation air path that leads to described refrigerating chamber (2), temperature-changing chamber (3), refrigerating chamber (4) is relatively independent.
8. three three-temperature-zone refrigerators of indirect-cooling as claimed in claim 1 is characterized in that: the compound overlap joint of circulation air path that leads to described refrigerating chamber (2), temperature-changing chamber (3), refrigerating chamber (4) forms.
9. three three-temperature-zone refrigerators of indirect-cooling as claimed in claim 1 is characterized in that: described air channel is arranged on the outside of the cavity of inner bag and cabinet shell formation.
10. three three-temperature-zone refrigerators of indirect-cooling as claimed in claim 1, it is characterized in that: the cross section of described circulation air path is roughly rectangular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201106785U CN201203320Y (en) | 2008-04-30 | 2008-04-30 | Indirect cold type three-door three-temperature zone refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201106785U CN201203320Y (en) | 2008-04-30 | 2008-04-30 | Indirect cold type three-door three-temperature zone refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201203320Y true CN201203320Y (en) | 2009-03-04 |
Family
ID=40425632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201106785U Expired - Fee Related CN201203320Y (en) | 2008-04-30 | 2008-04-30 | Indirect cold type three-door three-temperature zone refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201203320Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104677018A (en) * | 2015-03-17 | 2015-06-03 | 合肥美的电冰箱有限公司 | Refrigerator and air passage system thereof |
| CN107062759A (en) * | 2017-05-25 | 2017-08-18 | 青岛海尔股份有限公司 | Refrigerator |
| CN108870832A (en) * | 2017-05-11 | 2018-11-23 | 博西华电器（江苏）有限公司 | Refrigerator |
| CN108955037A (en) * | 2018-09-05 | 2018-12-07 | 长虹美菱股份有限公司 | A kind of six refrigerators of thin-wall construction |
-
2008
- 2008-04-30 CN CNU2008201106785U patent/CN201203320Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104677018A (en) * | 2015-03-17 | 2015-06-03 | 合肥美的电冰箱有限公司 | Refrigerator and air passage system thereof |
| CN108870832A (en) * | 2017-05-11 | 2018-11-23 | 博西华电器（江苏）有限公司 | Refrigerator |
| CN108870832B (en) * | 2017-05-11 | 2021-05-04 | 博西华电器（江苏）有限公司 | Refrigerator with a door |
| CN107062759A (en) * | 2017-05-25 | 2017-08-18 | 青岛海尔股份有限公司 | Refrigerator |
| CN108955037A (en) * | 2018-09-05 | 2018-12-07 | 长虹美菱股份有限公司 | A kind of six refrigerators of thin-wall construction |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Qingdao Haier Refrigerator Co., Ltd. Assignor: Haier Group Company|Qingdao Haier, Limited by Share Ltd Contract record no.: 2010370000661 Denomination of utility model: Temperature-variable chamber of indirect-cooling three-door three-temperature-range refrigerator Granted publication date: 20090304 License type: Exclusive License Record date: 20101230 |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090304 Termination date: 20170430 |