CN1206820A - Refrigerator with cooling air distributing board capable of central supplying to local area - Google Patents

Refrigerator with cooling air distributing board capable of central supplying to local area Download PDF

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Publication number
CN1206820A
CN1206820A CN 98103589 CN98103589A CN1206820A CN 1206820 A CN1206820 A CN 1206820A CN 98103589 CN98103589 CN 98103589 CN 98103589 A CN98103589 A CN 98103589A CN 1206820 A CN1206820 A CN 1206820A
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China
Prior art keywords
cold air
rotating shaft
temperature
connector
lifting
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Pending
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CN 98103589
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Chinese (zh)
Inventor
朴海辰
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Samsung Electronics Co Ltd
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Samsung Electronics Co Ltd
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Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Priority to CN 98103589 priority Critical patent/CN1206820A/en
Publication of CN1206820A publication Critical patent/CN1206820A/en
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Abstract

A refrigerator with cooling air distributing board, the distributing board is disposed adjacent to the cooling air discharge hole of the wind pipe and is controlled by a motor which can control angle position. Multiple temperature sensors are disposed in a storage chamber. A microprocessor controls the motor based on the temperature measured by the sensors. When the temperature in local area is rising, the cooling air is supplied to the area by the distributing board facing this area, when the temperature in the cooling chamber is low, the distributing board will keep rotate. Therefore, the high temperature area is cooled in centralized way, so the temperature in the cooling chamber will keep uniform.

Description

Has the refrigerator that cold air can be concentrated the cold air distribution plate of supplying with regional area
The present invention relates to a kind of refrigerator that cold air is evenly distributed to the device in the cooling chamber that has, relate in particular to and have the refrigerator that cold air can be supplied with in a concentrated manner the cold air distribution plate of a regional area.
Usually, refrigerator has: one is used to form a pair of cooling chamber, i.e. the refrigerating chamber of being separated by with partition wall and the bin of a refrigerating chamber; Be used for a refrigerating chamber and a refrigerating-chamber door of each cooling chamber of On/Off respectively; And a refrigeration system that is used for to refrigerating chamber and refrigerating chamber supply cold air, this system comprises a compressor, a condenser and an evaporimeter.The cold air that evaporimeter produced is carried along the ajutage that is arranged on each chamber rear wall, by fan cold air is infeeded each cooling chamber via being opened in each indoor cold air drainage hole then.
Yet, in above-mentioned traditional refrigerator, have zone and the less zone of supply tolerance that a Quilt with air conditioning that is discharged via the cold air drainage hole is concentrated, cause the temperature deviation in each cooling chamber thus, thereby can not obtain uniform refrigeration.Therefore, a kind of refrigerator that adopts the so-called three-dimensional refrigerating method of this class problem of solution has been proposed, in the refrigerator of so-called three-dimensional refrigerating method, in order to improve the uniformity of refrigeration, the cold air drainage hole not only is arranged on the rear wall of cooling chamber, and is arranged on two sidewalls.
Yet, in the refrigerator of so-called three-dimensional refrigerating method because cold air with fixing direction via the discharging of cold air steam vent, so edge region just may exist one can not the effective supply cold air " dead band ".Special because ajutage not only is arranged on the rear wall and is arranged on the two side, so, just there is such problem: the one, the space that is used for storage food reduces; The 2nd, because of needs increase parts and process increases cost of manufacture.
When being tending towards using under the situation of large-size refrigerator, the uniform distribution of cold air has risen to an important problem.
In view of the above problems, in International Patent Application WO 95/27278, applicant of the present invention has proposed a kind of refrigerator that distributes thermantidote that has.Fig. 1 to Fig. 3 is respectively the side view of the critical piece with the refrigerator that distributes thermantidote, local cross sectional view, the decomposition diagram that amplifies.
Traditional having distributes the refrigerator of thermantidote to be provided with cooling chamber 2 and 3 in bin 1, is separated by with partition wall 5 between above-mentioned two Room.This cool but chamber 2 and 3 is respectively refrigerating chamber 2 with lower temperature and the refrigerating chamber 3 with higher temperature.In the open front of cooling chamber 2 and 3, be separately installed with the door 6 and 7 that is used for each cooling chamber of On/Off.Be provided with a refrigeration system in bin 1, this system comprises a compressor 11, a condenser (not shown), freezer evaporator 12a, a refrigerator evaporator 12b.The cold air that evaporimeter 12a and 12b are produced is transported in each cooling chamber 2 and 3 by refrigerating chamber fan 13a and refrigerating chamber fan 13b.
Have out and be half-terete tube sheet 9 to the part in the cold air drainage hole 16 of refrigerating chamber 3 and link to each other with the inside panel 23 of the back internal face that is used to form refrigerating chamber 3, ajutage 15 and backwind tube 17 that sealed plate 25 is isolated are arranged between the rear wall 4 of tube sheet 9 and bin 1.A pipe fitting 21 is installed in the ajutage 15, and this pipe fitting 21 is used for the cold air that guiding is downwards carried by refrigerating chamber fan 13b.Carry by refrigerating chamber fan 13b by the cold air that refrigerator evaporator 12b is produced, be supplied in the refrigerating chamber 3 via ajutage 15 and cold air drainage hole 16 then.
One cold air distribution device 130 is installed in ajutage 15.This cold air distribution device 130 comprises: the rotating shaft 131 with vertical axis is provided in, is used for cold air drainage hole 16 132, one of corresponding cold air distribution plates respectively the drive motors 135 of rotating shaft 131 with rotating shaft 131.Each cold air distribution plate 132 comprises: three dishes 136,137,138 that are set parallel to each other along axis direction are arranged on first plate 133 and second plate 134 between the dish 136,137,138.Each first plate 133 and second plate 134 all are bent to cross section and are approximate alphabetical S shape.The bending direction of this first plate 133 and second plate 134 is opposite.
In having the refrigerator of above-mentioned structure, when drive motors 135 when slowly running rotating shaft 131, the cold air that flows along ajutage 15 correspondingly changes along the flexure plane of cold air distribution plate 132 and flows to, and flatly is assigned in the refrigerating chamber 3.Simultaneously, when needs carried out central refrigerating to a part, drive motors 135 was according to the rotating shaft 131 that stops operating of the direction of cold air distribution plate 132, was fed to above-mentioned part thereby cold air concentrated.
Yet, because of first plate 133 of this cold air distribution device 130 and second plate 134 are bent to approximate alphabetical S shape, according to turning to of rotating shaft 131, the left side of refrigerating chamber 3 or right side just may not have enough cold air supplies, and the cold air eddy current that forms around the cold air drainage hole 16 can disturb the smooth flow of cold air.
In addition, although this traditional cold air distribution device 130 can make cold air uniform distribution slightly, when the temperature of certain part of refrigerating chamber 3 at short notice during flip-flop, cold air just can not distribute equably.If promptly because of certain reason (as having added extra food in the refrigerating chamber 3) when causing local temperature to increase, it is just not enough to supply with this local cold air.Therefore, the effect of local refrigeration is relatively poor, or makes this zone cold excessively because of suitably having cooled off this regional area.Like this, above-mentioned traditional cold air distribution device 130 can not be realized evenly cooling in the whole zone of refrigerating chamber 3.
For overcoming above-mentioned the problems of the prior art, the present invention has been proposed.Therefore the object of the present invention is to provide a kind of refrigerator with cold air distribution device, this device can prevent the cold air eddy current, and in a concentrated manner the cool-air feed regional area is obtained effectively the uniform distribution of cold air.
For reaching above-mentioned purpose, the invention provides a kind of refrigerator, it has the cooling chamber that is used for storage food, and the airduct on sidewall that is arranged on this cooling chamber, this airduct is used for forming cold air channel, and this airduct has at least one and opens cold air drainage hole in this cooling chamber.This refrigerator comprises: a writing board shape be rotatably installed near the cold air drainage hole in this airduct horizontal distribution plate, this horizontal distribution plate is controlled the discharge direction of the cold air that discharges through the tap level according to himself angle position; A rotating shaft that connects mutually with described horizontal distribution plate, this rotating shaft is extended along vertical axis; One is used to drive the motor that this rotating shaft is rotated, and this motor can be controlled the angle position of rotating shaft; Be installed on a plurality of temperature-sensing element (device)s in this cooling chamber; A control assembly, these parts are controlled this drive motors according to the measured temperature of said temperature sensing element makes it stop operating at certain angle direction, and like this, cold air is supplied to high-temperature area.
Described control assembly is controlled this drive motors, thereby when the temperature deviation that records when temperature-sensing element (device) was lower than predetermined value, this horizontal distribution plate rotated serially.
Best refrigerator of the present invention also comprises: a plurality of mechanisms that have the vertical dispersing blades of horizontal rotating shaft and be used for the vertical dispersing blades of pivot rotation vertically.
This pivot means (pivoting means) comprising: a connector with a plurality of hinge components, and this assembly and this vertical dispersing blades assemble respectively in a distance at a distance of above-mentioned horizontal rotating shaft, and this connector can vertically move up and down; A mechanism that is used for this connector of lifting/lowering.This raising/lowering mechanism comprises: the lifter cam in rotating shaft that is installed in this horizontal distribution plate, and this lifting/lowering cam and this rotating shaft are rotated simultaneously; One forms the action component of one with connector, and this action component interacts with this lifting/lowering cam, so that rotatablely moving of lifting/lowering cam passed to this connector, makes this connector make lifting/lowering and moves.
Drive motors is stepper motor preferably.
In the present invention, Quilt with air conditioning is concentrated the supply high-temperature area and is not produced the cold air eddy current.Like this, the temperature in the cooling chamber can keep even.
By the following explanation of reference accompanying drawing, the present invention will should be readily appreciated that more and goal of the invention and advantage will be clearer.Wherein:
Fig. 1 is the lateral plan of traditional refrigerator with cold air distribution plate;
Fig. 2 is that cross sectional view is amplified in the part of Fig. 1;
Fig. 3 is the amplification decomposition diagram of the major part of Fig. 2;
Fig. 4 is the front view of refrigerator of the present invention;
Fig. 5 is the lateral plan of Fig. 4;
Fig. 6 is the amplification decomposition diagram of the cold air distribution device among Fig. 5;
Fig. 7 is the block diagram of control cold air distribution device;
The cross-sectional view of Fig. 8 to Figure 10 for amplifying is used for the cold air assigning process that the horizontal distribution plate of expression is finished continuously;
The lateral plan of Figure 11 to Figure 13 for amplifying is used to the cold air assigning process of representing that vertical dispersing blades is finished continuously;
Figure 14 is a flow chart, is used to represent to control the step of refrigerator of the present invention.
Below, with reference to accompanying drawing the present invention is described in detail.To adopt same Reference numeral with same or analogous parts in the prior art shown in Fig. 1 to Fig. 3.In each embodiment, omitted with the description of essentially identical parts of parts in the background technology.
Fig. 4 and Figure 5 shows that refrigerator of the present invention.The same to conventional refrigerator shown in Figure 3 with Fig. 1, this refrigerator also has a bin 1, and this bin 1 is formed with refrigerating chamber 2 and refrigerating chamber 3, and refrigerating chamber 2 is positioned at top and refrigerating chamber 3 is positioned at the bottom, and separates by partition wall 5.Be provided with respectively in open front place of refrigerating chamber 2 and refrigerating chamber 3 and be used for the door 6 and 7 of each cooling chamber of On/Off.In refrigerating chamber 3, the shelf 8 that is used to place food is installed, shelf 8 is separated into three zones with refrigerating chamber 3, i.e. Shang Qu, middle district and inferior segment.Be provided with a special fresh-keeping chamber 18 on the top of refrigerating chamber 3.This special fresh-keeping chamber 18 is used to store the food that is suitable for storing in specific range of temperatures.Be provided with a vegetable compartment 19 in the bottom of refrigerating chamber 3.This vegetable compartment 19 is used to store vegetables.
Be provided with a refrigeration system in bin 1, this system comprises a compressor 11, a condenser (not shown), freezer evaporator 12a, a refrigeration evaporator 12b.It is in refrigerating chamber 2 and the refrigerating chamber 3 that the cold air that evaporimeter 12a and 12b are produced is transported to each cooling chamber by refrigerating chamber fan 13a and refrigerating chamber fan 13b.
The rear side of refrigerating chamber 3 is provided with ajutage 15 and backwind tube 17.The cold air that is produced by refrigerator evaporator 12b blows by refrigerating chamber fan 13b, is supplied in the refrigerating chamber 3 via ajutage 15 and cold air drainage hole 16.A device that is used for flatly distributing cold air is installed in the ajutage 15.
A pair of temperature sensor 9a and 9b are installed in refrigerating chamber 3. Temperature sensor 9a and 9b comprise: one is installed in upper left temperature sensor 9a in the refrigerating chamber 3, and one is installed in bottom-right temperature sensor 9b in the refrigerating chamber 3.
Fig. 6 is the amplification decomposition diagram of the cold air distribution device among Fig. 5.Refrigerator of the present invention has the device 40 that a level is distributed the vertical distribution with of device 30 cold air of cold air.
This horizontal distributor 30 comprises: the rotating shaft 31 with vertical axis; Three plate shaped horizontal distribution plates 33; And drive motors 35 that is used for rotating shaft 31.Above-mentioned three horizontal distribution plates 33 be arranged on each along axially be opened in cold air drainage hole 16 on the tube sheet 9 near.Attaching parts 39 that are connected with the driving shaft 36 of drive motors 35 are arranged on the upper end of rotating shaft 31, and a journal element 32 is arranged on the lower end of rotating shaft 31, and this journal element 32 is inserted rotationally in the dead eye 9g of the bottom that is opened in tube sheet 9 and is supported.This drive motors 35 preferably can be controlled the stepper motor of angle stop position.
So when drive motors 35 operations, horizontal distribution plate 33 is driven by rotating shaft 31, thereby cold air is flatly discharged by cold air drainage hole 16.
Vertical distributor 40 comprises: a plurality of vertical dispersing blades 57 that are provided with near cold air drainage hole 16, and vertical dispersing blades 57 can rotate around the horizontal axis pivot; A connector 61 that is installed in the ajutage 15, this connector 61 can move up and down; And lifting/lowering cam 63 that is used for lifting/lowering connector 61.
This vertical dispersing blades 57 is circular-arc plate, so that match with horizontal distribution plate 33, horizontal rotating shaft 53 is arranged at the two ends, the left and right sides of vertical dispersing blades 57 and extends along horizontal direction.Correspondingly, tube sheet 9 is provided with from the back of its dual-side and extends back and flange 9e respect to one another, and this flange 9e is provided with a plurality of axis hole 9f, and this axis hole 9f is used for taking in and this horizontal rotating shaft 53 of rotatably support.After horizontal rotating shaft 53 inserted axis hole 9f, vertical dispersing blades 57 can pivotally rotate in cold air drainage hole 16.
Connector 61 is provided with abreast with rotating shaft 31.Connector 61 is bar-shaped and has a plurality of hinge components 62, and hinge component 62 is notched annular and protrudes to vertical dispersing blades 57.In order to be complementary with this hinge component 62, each vertical dispersing blades 57 has a hinge 55 that is positioned at its inboard central part, and this hinge 55 is cylindricality, and along the horizontal direction setting.Hinge component 62 matches with hinge 55, can relatively rotate to guarantee them.
Lifting/lowering cam 63 is installed in the rotating shaft 31 of horizontal distributor 30.This lifting/lowering cam 63 comprises that a cam body 66 and one are formed on the cam path 65 on the outer surface of cam body 66.Cam path 65 is a closed loop, and has the curve of lifting/lowering cam contour along the face of cylinder.Be provided with one perpendicular to vertically outstanding action component 67 on connector 61, the free end of this action component 67 inserts in the cam path 65 of lifting/lowering cam 63.
In addition, connector 61 has a bootstrap block 69 that protrudes towards tube sheet 9, and this bootstrap block 69 matches with lifting/lowering leader 49 on the inwall that is formed at tube sheet 9.This lifting/lowering leader 49 is equipped with mutually with bootstrap block 69 and guarantees that this bootstrap block 69 of guiding moves up and down, and prevents that connector 61 is around its rotation.
Fig. 7 is the block diagram of control cold air distribution device.Cold air distribution device is controlled by a microprocessor 70.This microprocessor 70 receives the signal that transmits from the first and second temperature sensor 9a and 9b, thereby has detected the temperature in the refrigerating chamber 3 and calculated Temperature Distribution according to detected thermometer.This microprocessor 70 is according to the Temperature Distribution control drive motors 35 that is calculated.In addition, although do not express among Fig. 7, in fact microprocessor 70 is also controlled this compressor 11 and fan 13a and 13b so that the supply and the generation of control cold air.
Fig. 8 to Figure 10 is a cross-sectional view, is used to represent the situation that the rotation by horizontal distribution plate 33 distributes cold air.As shown in Figure 8, when this horizontal distribution plate 33 during over against the front, the cold air in the ajutage 15 along the both sides row of this horizontal distribution plate 33 forwards.When this horizontal distribution plate 33 as Fig. 9 with turn to the left side as shown in Figure 10 or during the right side, Quilt with air conditioning row is to the left or the right side.
When 30 runnings of horizontal distributor and during rotating shaft 31, lifting/lowering cam 63 also rotates simultaneously.Connector 61 rises/descends by the effect of the action component 67 that is meshed with cam path 65 on the lifting/lowering cam 63.Because the rising/descending motion of connector 61 makes vertical dispersing blades 57 pivotally rotate around horizontal rotating shaft 53 by the effect between the hinge 55 on hinge component 62 and the vertical dispersing blades 57.
Simultaneously, the rising of connector 61 is directed piece 69 and the 49 vertical guidings of lifting/lowering leader with decline.Therefore, connector 61 does not rotate when 63 rotations of lifting/lowering cam, but reciprocating along vertical direction.
Figure 11 to Figure 13 is a lateral plan, is used to represent that rotation because of rotating shaft 31 makes the situation of vertical dispersing blades 57 lifting/lowerings.As shown in figure 11, when this vertical dispersing blades 57 kept level, Quilt with air conditioning flatly discharged.After these rotating shaft 31 half-twists, vertical dispersing blades 57 is inclined upwardly as shown in Figure 12, and at this moment, Quilt with air conditioning upwards is discharged into the upper area of refrigerating chamber 3.When this rotating shaft 31 is further rotated after 90 ° by position shown in Figure 12, vertical dispersing blades 57 turns back to level shown in Figure 11, and when rotating shaft 31 again after the half-twist, this vertical dispersing blades 57 is downward-sloping as shown in Figure 13.Like this, Quilt with air conditioning discharges downwards.
Below, the motion of 14 pairs of refrigerators of the present invention is illustrated with reference to the accompanying drawings.
Microprocessor 70 checks whether refrigerating chamber fan 13b opens (S1).If refrigerating chamber fan 13b is in opening, microprocessor 70 detects the Temperature Distribution situation in the refrigerating chambers 3, so that concentrate cooling according to the present invention.
Describe in detail, carry out S2, promptly microprocessor 70 utilizes the first and second temperature sensor 9a and 9b to detect temperature in the refrigerating chamber 3, and carries out S3, promptly calculates the temperature difference of institute detection position.Whether microprocessor 70 surpasses the difference degree that predetermined value X judges temperature by calculating the temperature difference.In this case, this predetermined value X is that type, size and the refrigerating capacity according to refrigerator determined, the optimum range of this X is 2-3 ℃.
Then, if the temperature difference is lower than predetermined value X, microprocessor 70 carries out S4, promptly with constant speed rotating shaft 31 continuously.Therefore, make cold air distribute equably by rotating horizontal distribution plate 33.Vertical distributor 40 moves simultaneously with horizontal distributor 30, and cold air is all distributed in the horizontal and vertical directions equably like this.In addition, because horizontal distribution plate 33 is tabular, vortex can not take place because of the existence of horizontal distribution plate 33 in cold air.
Simultaneously, if the temperature difference is higher than predetermined value X, microprocessor 70 carries out S5, promptly to comparing by the measured first area temperature of the first temperature sensor 9a with by the measured second area temperature of the second temperature sensor 9b, drive motors 35 stops operating so that make horizontal distribution plate 33 over against high-temperature area.Like this, high-temperature area has just been realized concentrated cooling.
In other words, if the temperature of first area is higher than the second area temperature, microprocessor 70 carries out S6, promptly controls drive motors 35 so that make this horizontal distribution plate 33 turn to right-hand as shown in Figure 10.In this case, vertical dispersing blades 57 turns to up as shown in figure 13, is disposed to the first area so Quilt with air conditioning is concentrated.
The situation that another is similar, if the temperature of second area is higher than the first area temperature, microprocessor 70 carries out S7, promptly controls drive motors 35, so that make horizontal distribution plate 33 turn to left as shown in Figure 9.In this case, vertical dispersing blades 57 is rotated down as shown in Figure 12.So Quilt with air conditioning is concentrated and is disposed to second area.Because cold air is arranged in a concentrated manner to high-temperature area, so the temperature in the refrigerating chamber 3 keeps evenly.
Simultaneously, in an embodiment of the present invention, horizontal distribution plate 33 and the 16 corresponding settings of cold air drainage hole certainly, only are provided with a horizontal distribution plate 33 with respect to all cold air drainage holes 16 and also are fine.
In addition, in an embodiment of the present invention, vertical dispersing blades 57 moves simultaneously with horizontal distribution plate 33, and certainly, above-mentioned two parts also can be driven respectively by independent driving mechanism.If promptly be provided with an additional drives motor of being controlled by microprocessor 70, connector 61 does not pass through the additional drives Electric Machine Control by lifting/lowering cam 63, and vertical dispersing blades 57 is stopped on the direction of certain angle.Then, by continuous reciprocating motion, also can concentrate cooling or cold air to distribute to regional area in vertical direction.
In this case, be preferably in a plurality of positions a plurality of temperature sensors are set.Use a plurality of temperature sensors, just can between a plurality of zones, detect high-temperature area.The vertical dispersing blades 57 of control independently of one another and horizontal distribution plate 33 are just with the detected high-temperature area of cool-air feed.
As mentioned above, in the present invention, Quilt with air conditioning is concentrated the supply high-temperature area and is not produced eddy current.Like this, the temperature in the cooling chamber keeps evenly.Though the present invention has been done detailed description and explanation, above-mentioned description and explanation only are explanations and give an example, rather than limitation of the invention, and design of the present invention and protection domain only limit by additional claim.

Claims (9)

1. refrigerator, it has the airduct on the cooling chamber that is used for storage food and the sidewall that is arranged on described cooling chamber, described airduct is used for forming cold air path, and described airduct has at least one and offers cold air drainage hole in described cooling chamber, and described refrigerator comprises:
The discharge direction of the cold air that near the horizontal distribution plate plate shaped rotatable cold air drainage hole that is installed in the described airduct, described horizontal distribution plate flatly discharge through tap according to himself angle position control;
A rotating shaft that connects mutually with described horizontal distribution plate, described rotating shaft is extended along vertical axis;
One is used to drive the motor that described rotating shaft is rotated, and described motor can be controlled the angle position of rotating shaft;
Be installed on a plurality of temperature-sensing element (device)s in the described cooling chamber;
A control assembly, described parts are controlled described drive motors according to the measured temperature of temperature-sensing element (device), make motor stop by the direction of certain angle, and like this, cold air is supplied to high-temperature area.
2. refrigerator according to claim 1 is characterized in that, described control assembly control drive motors, thus when the temperature deviation that records when described temperature-sensing element (device) was lower than predetermined value, described horizontal distribution plate rotated continuously.
3. refrigerator according to claim 1 is characterized in that, comprises in addition: a plurality of vertical dispersing blades with horizontal rotating shaft; Be used for the mechanism that pivot vertically rotates described vertical dispersing blades.
4. refrigerator according to claim 3 is characterized in that described pivot means comprises; Connector with a plurality of hinge components, described assembly and vertical dispersing blades assemble respectively in a distance at a distance of described horizontal rotating shaft, and described connector can vertically move up and down; And
A mechanism that is used for the described connector of lifting/lowering.
5. refrigerator according to claim 4 is characterized in that, described raising/lowering mechanism comprises: the lifting/lowering cam in rotating shaft that is installed in described horizontal distribution plate, and described lifting/lowering cam and described rotating shaft are rotated simultaneously; And
One forms the action component of one with described connector, and described action component interacts with the lifting/lowering cam, so that rotatablely moving of lifting/lowering cam passed to connector, makes connector make lifting/lowering and moves.
6. refrigerator according to claim 5, it is characterized in that, described lifting/lowering cam comprises: one coaxial is installed in circular cylindrical projection wheel body in the described rotating shaft and the cam path on outer surface that is formed on cam body, and described cam path forms a closed loop and along cylindrical mask described lifting/lowering cam profile curve arranged.
7. refrigerator according to claim 6 is characterized in that, also comprises: be used to guide the member of described connector, can vertically move up and down to guarantee described connector, and prevent the rotation of described connector.
8. refrigerator according to claim 7 is characterized in that, described guide comprises:
A bootstrap block that goes out along a crown of roll of described connector;
Guide member on inner wall surface that is formed on described airduct, bootstrap block inserts in the guide member and can move up and down.
9. refrigerator according to claim 1 is characterized in that, described drive motors is a stepper motor.
CN 98103589 1997-07-24 1998-07-24 Refrigerator with cooling air distributing board capable of central supplying to local area Pending CN1206820A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 98103589 CN1206820A (en) 1997-07-24 1998-07-24 Refrigerator with cooling air distributing board capable of central supplying to local area

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR34633/97 1997-07-24
CN 98103589 CN1206820A (en) 1997-07-24 1998-07-24 Refrigerator with cooling air distributing board capable of central supplying to local area

Publications (1)

Publication Number Publication Date
CN1206820A true CN1206820A (en) 1999-02-03

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Application Number Title Priority Date Filing Date
CN 98103589 Pending CN1206820A (en) 1997-07-24 1998-07-24 Refrigerator with cooling air distributing board capable of central supplying to local area

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100371665C (en) * 2004-12-29 2008-02-27 财团法人工业技术研究院 Temperature control equipment of refrigerator and method
CN102927780A (en) * 2012-11-21 2013-02-13 合肥美的荣事达电冰箱有限公司 Energy-saving control method and energy-saving control device for air-cooled refrigerator
WO2018050118A1 (en) * 2016-09-19 2018-03-22 Midea Group Co., Ltd. Refrigerator with targeted cooling zone
US10627150B2 (en) 2016-09-19 2020-04-21 Midea Group Co., Ltd. Refrigerator with targeted cooling zone

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100371665C (en) * 2004-12-29 2008-02-27 财团法人工业技术研究院 Temperature control equipment of refrigerator and method
CN102927780A (en) * 2012-11-21 2013-02-13 合肥美的荣事达电冰箱有限公司 Energy-saving control method and energy-saving control device for air-cooled refrigerator
WO2018050118A1 (en) * 2016-09-19 2018-03-22 Midea Group Co., Ltd. Refrigerator with targeted cooling zone
US10563899B2 (en) 2016-09-19 2020-02-18 Midea Group Co., Ltd. Refrigerator with targeted cooling zone
US10627150B2 (en) 2016-09-19 2020-04-21 Midea Group Co., Ltd. Refrigerator with targeted cooling zone

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