CN1204038A - Refrigerator - Google Patents
Refrigerator Download PDFInfo
- Publication number
- CN1204038A CN1204038A CN 97125925 CN97125925A CN1204038A CN 1204038 A CN1204038 A CN 1204038A CN 97125925 CN97125925 CN 97125925 CN 97125925 A CN97125925 A CN 97125925A CN 1204038 A CN1204038 A CN 1204038A
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- wheel hub
- supporting member
- evaporimeter
- fan
- refrigerator
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- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
A refrigerator having an improved fan which blows air towards a heat exchanger such as an evaporator. The refrigerator has a body having a refrigerating chamber, a freezing chamber, and a chilled air passage which communicates with the refrigerating and freezing chambers. An evaporator is installed in the body. The evaporator has a spiral-shaped refrigerant pipe, and a plurality of heat exchange pins disposed around the spiral-shaped refrigerant pipe. A fan is installed in the chilled air passage. A motor is fixed to a wall of the body. The fan can be reciprocated towards the evaporator, so a blowing force applied to the evaporator is varied by a reciprocating movement of the fan so that an air flow formed from the fan to the evaporator is changed to a turbulent air flow. The refrigerator does not make a heat boundary layer, so the heat exchange efficiency is improved.
Description
The present invention relates to a kind of refrigerator, particularly, relate to a kind of refrigerator with improved fan, this fan blows to heat exchanger such as evaporimeter with air, and cold air is circulated in refrigerator.
Refrigerator is typically provided with evaporimeter and fan, and evaporimeter produces cold air, and fan blows to evaporimeter with air and makes cold air flow to refrigerating chamber and refrigerating chamber through conduit.
Fig. 1 is the side view with general refrigerator 100 of fan 141.
As shown in Figure 1, refrigerator 100 has fuselage 110, is provided with refrigerating chamber 111 and refrigerating chamber 112 in it, and a rotating door 120 that is connected in the front of fuselage 110.Air duct 117 all is communicated with refrigerating chamber 111 and refrigerating chamber 112, is positioned at dividing plate 115 and rear wall 116 that refrigerating chamber 111 and refrigerating chamber 112 are separated.The evaporimeter 131 that is installed in the air duct 117 receives from the next low-temperature low-pressure refrigerant of condenser (not shown), and condenser is arranged in machine chamber 150, is used to produce cold air.In addition, the motor 142 that is used for that air blowed to the fan 141 of evaporimeter 131 and is used for drive fan 141 also all is installed in the air duct 117.Fan 141 is sent to refrigerating chamber 111 and refrigerating chamber 112 with cold air by conduit, and the compressor of label 135 expression compressed refrigerants makes it have HTHP with compressed refrigerant.
Above-mentioned fan is installed on the fuselage wall that constitutes air duct.Specifically, motor is installed in the refrigerator rear wall, and fan is connected with motor shaft thereby can rotates.At this moment fan can not move on the motor axis direction.
Yet traditional refrigerator has following shortcoming, i.e. during air that blows when fan and evaporimeter generation heat exchange, if can form thermal boundary layer just the power of blowing of fan is constant on evaporimeter, thereby heat exchanger effectiveness is reduced.
On the other hand, the U.S. Patent application No.5 of Jerry C.Martin, 193,359 disclose a kind of fan that air can be blown into the evaporator of refrigerator chamber, but this fan of Martin also can form thermal boundary layer on evaporimeter, so heat exchanger effectiveness also reduces.
In addition, the U.S. Patent application No.5 of Adam C.Kennedy, 214,938 also disclose a kind of fan that air can be blown into the evaporator of refrigerator chamber, but the fan of Kennedy also can form thermal boundary layer on evaporimeter, therefore also can cause the problems referred to above.
Therefore the present invention is intended to overcome the problems referred to above of the prior art, the purpose of this invention is to provide a kind of refrigerator, and what its fan can be along motor is axially reciprocating.Thereby the wind-force of fan changes, and produces the turbulence air-flow by fan, thereby improves heat exchanger effectiveness.
In order to achieve the above object, the invention provides a kind of refrigerator, comprising: refrigerator fuselage, evaporimeter and first, second and the 3rd device.The cold air channel that refrigerating chamber, refrigerating chamber is arranged in the fuselage and be connected with refrigerating chamber and refrigerating chamber; Evaporimeter produces cold air by the heat exchange with air, evaporimeter has a spiral refrigerant pipe of vertically arranging along cold air channel, around this spirality refrigerant pipe, arranging a plurality of fin, to increase the heat exchange area between air and the snakelike refrigerant pipe; First device is in order to make air blow to evaporimeter and to make cold air flow into refrigerating chamber and refrigerating chamber, and this first device is installed in the cold air channel; Second device is used to drive first device; The 3rd device is used to make first device reciprocating towards evaporimeter, because the reciprocating motion of first device changes the wind-force that blows on the evaporimeter, thereby makes the air that blows to evaporimeter from first device become the turbulence air-flow.
According to the preferred embodiments of the present invention, first device comprises fan, and second device comprises motor, and fan has wheel hub and the blade integrally formed with wheel hub periphery, fan be used to make air along motor drive shaft to blowing.Wheel hub is pacified to motor shaft in rotating mode, makes wheel hub to do rectilinear motion along motor shaft.The bottom surface of wheel hub is oblique.
The 3rd device comprises first supporting member, second supporting member and flexible member.First supporting member contacts with the inclined end face of wheel hub, thereby reciprocating when wheel hub rotates; Second supporting member is positioned on the position relative with first supporting member, and it contacts with the end face of wheel hub, thereby reciprocating with wheel hub when wheel hub rotates; Flexible member is placed on second supporting member, can make wheel hub be returned to its initial position.
The inclined end face of wheel hub is towards motor, and first supporting member comprises that one is fixed on first cramp bar and one first roller of motor outer surface, and it is connected rotationally with first cramp bar, and contacts with the inclined end face of wheel hub.Second supporting member comprises one second cramp bar, is fixed on the fuselage surface that forms cooling air passage, and a flexible member is arranged on it; One second roller is connected rotationally with second cramp bar, and keeps in touch with the wheel hub upper surface.
The fuselage surface that forms cold air channel is provided with guide, and guide is connected on second cramp bar, make that second supporting member is done straight reciprocating motion with wheel hub when wheel hub is done straight reciprocating motion, and flexible member compresses constantly, extends.
Every fin comprises that all one is enclosed within the ring on the refrigerant pipe, and radioactivity is formed with a plurality of vanelets on the circumference of ring.
Fan repeatedly near and leave evaporimeter, the power of blowing that therefore acts on evaporimeter changes, so just turbulization, so can not form thermal boundary layer on evaporimeter, heat exchanger effectiveness thereby be improved.
Above-mentioned purpose of the present invention and other advantage can elaborate to preferred embodiment and more clear by the reference accompanying drawing, wherein:
Fig. 1 is the side view that shows the conventional refrigerator fan;
Fig. 2 is the side view of the refrigerator of one embodiment of the invention;
Fig. 3 is the perspective view of the evaporimeter of expression one embodiment of the invention;
Fig. 4 is the perspective view of the fan of expression one embodiment of the invention;
Fig. 5 A, 5B are the reciprocating work sheets of fan of expression one embodiment of the invention.
One embodiment of the present invention will elaborate with reference to accompanying drawing hereinafter.
Fig. 2 is the side view of refrigerator 200 according to an embodiment of the invention.As shown in Figure 2, refrigerator 200 comprises fuselage 210 and door 220, and fuselage comprises a refrigerating chamber 211 spaced apart from each other and a refrigerating chamber 212, and door 220 is hinged to the front of fuselage 210.Machine chamber 230 is positioned at the bottom of fuselage 210, and compressor 231 and condenser (not shown) all are installed in wherein.
In addition, the cold air channel 245 that is communicated with refrigerating chamber 211 and refrigerating chamber 212 is formed in the rear wall 242 of dividing plate 241 that refrigerating chamber 211 and refrigerating chamber 212 are separated and fuselage 210.Evaporimeter 250 is installed in cold air channel 245, and it accepts the cold-producing medium from condenser, is used for air is blowed to the fan 310 of evaporimeter 250 and the motor 320 of drive fan 310 to carry out heat exchange with air, also to be equipped with.Fan 310 makes cold air flow into refrigerating chamber 211 and refrigerating chamber 212 through conduit, and label 216 refers to defrost pan.
By evaporimeter of the present invention, form very big heat exchange area between air and the evaporimeter, thereby improved heat exchanger effectiveness.The structure of evaporimeter of the present invention hereinafter is described with reference to Fig. 3.
Fig. 3 illustrates evaporimeter perspective view according to an embodiment of the invention.Evaporimeter 250 comprises that one wherein flows through the refrigerant pipe 251 of cold-producing medium; One group of ring 253 of around cooler pipe 251; On a side of each ring 253, make a plurality of vanelets 252 of one with it.Refrigerant pipe 251 is along vertical spirally-wound of cold air channel 254.The low-temperature low-pressure refrigerant that transmits from the condenser refrigerant pipe 251 of flowing through.Spiral-shaped by refrigerant pipe 251, the heat exchange area between refrigerant pipe 251 and the air has increased, and fin 252 is accepted the heat of refrigerant pipe 251, carries out heat exchange with air then, thereby further increases heat exchange area.
Fig. 4 illustrates the perspective view of the fan 310 of one embodiment of the invention.As shown in Figure 4, motor 320 rotates fan 310, and fan 310 comprises by the wheel hub 311 of rotating shaft 321 drives of motor 320 and a plurality of vanelets 315 that are integrally formed therewith on the circumference of wheel hub 311.Leave splined hole 312 at the center of wheel hub 311, have spline 321a on the axle 321 of motor 320 to insert in the splined hole 312, at this moment, wheel hub 311 is set on the axle 321 of motor 320, and it can be moved back and forth along axle 321.Blade 315 and wheel hub 311 equidirectional rotations and to axle 321 blow air of motor 320.
When wheel hub 311 is connected with the rotating shaft 321 of motor 320, be oblique towards the bottom surface 311a of the wheel hub 311 of motor 320.In more detail, draw the straight line L1-L2 that passes wheel hub 311 centers in the bottom surface of wheel hub 311, make an end wheel hub 311 of L2-L2 line that minimum thickness be arranged, there is maximum ga(u)ge at its other end place.In addition if inclined-plane 311a be circular, then inclined-plane 311a passes wheel hub 311 centers and relatively with right angle and the crossing line L2-L2 symmetry of L1-L1.Being located between wheel hub 311 inclined-plane 311a and the motor 320 is one first supporting member 330, and it is support cage 311 not only, and can make wheel hub 311 make linear reciprocal movement.
First supporting member 330 has first cramp bar 311 and first roller 332.First cramp bar 311 is fixed to the outer surface of motor 320, and first roller 332 and first cramp bar 311 are rotationally connected, and contact with inclined-plane 331a.The inclined-plane 311a of wheel hub 311 contacts with first roller 332 of first supporting member 330, and first supporting member 330 is fixed on the motor 320.Therefore, when wheel hub 311 during by motor 320 driven rotary, just constantly move up and down in the scope of distance H, H is the thickness difference of inclined-plane 311a.Because wheel hub moves up and down, so fan 310 also moves up and down to evaporimeter 250 blowings the time.
In addition, reciprocating so that second supporting member 340 of wheel hub 311 stability of rotation is located on the surperficial 311b of wheel hub 311 with wheel hub 311.
Second supporting member 340 comprises second cramp bar 341 and second roller 342, second cramp bar 341 is fixed on the sidewall of the fuselage 210 that forms cold air channel 245, second roller 342 and second cramp bar 341 are rotatedly connected, and contact with the end face 311b of wheel hub 311.Second supporting member 340 is towards first roller 332, to rotate reposefully by first roller 332 and second roller 342.
Be equipped with as spring element 350 on second cramp bar 341, according to the reciprocating motion of wheel hub 311 and compress repeatedly and extend, make wheel hub 311 be returned to its initial position.When wheel hub 311 was reciprocating, flexible member 350 was not reciprocating.
In order to support flexible member 350, a guide 360 is set.This guide 360 has a fixed bar 361 to be fixed on the sidewall of the fuselage 210 that forms cold air channel 245, also has a pilot sleeve 362 to stretch out from fixed bar 361 ends also second cramp bar is inserted in wherein.Second cramp bar 341 of second supporting member 340 is reciprocating in pilot sleeve 362.At this moment, flexible member 350 contacts with the base of pilot sleeve 362, and therefore, flexible member 350 does not insert in the pilot sleeve 362.Therefore, the wheel hub 311 and second supporting member 340 are all done straight reciprocating motion, and flexible member 350 repeats to move up and down.
The refrigerator of said structure, its working condition explains hereinafter with reference to Fig. 5.Fig. 5 A and 5B are work sheets, are used to illustrate the reciprocating motion of fan 310 of the present invention.
Fig. 5 illustrates first roller 332 of first supporting member 330, and when inclined-plane 311a was in the thickness minimum position, first roller 332 contacted with the inclined-plane 311a of wheel hub 311.If at this moment motor 320 drives wheel hub 311 rotations, then first roller 332 of first supporting member 330 contacts situation shown in Fig. 5 B with the inclined-plane 311a of wheel hub 311, and wherein, inclined-plane 311a is in the thickness maximum position.At this moment, because first supporting member 330 is fixed on the motor 320 distance H so wheel hub 311 just moves up.Therefore, also move upward with contacted second supporting member 340 of wheel hub 311 upper surface 311b.At this moment, owing to the reason of guide can not move up flexible member 350, so flexible member 350 by compression.After this, if wheel hub 311 continues to turn to position shown in Fig. 5 A from the position of Fig. 5 B, then wheel hub 311 is returned to its initial position under the restoring force of flexible member 350 and wheel hub 311 weight effects.
Like this, fan just towards with move repeatedly away from evaporimeter 250.The displacement H of fan 310 can install to by the roller with different-diameter on first supporting member 330 and be adjusted.
As mentioned above, according to refrigerator of the present invention, its fan repeatedly near and leave the wind-force that evaporimeter therefore blows to evaporimeter and change, thereby turbulization can not form thermal boundary layer on the evaporimeter, thereby has improved heat exchanger effectiveness.
Though the present invention has done detailed description with reference to a preferred embodiment, but those skilled in the art should be understood that: do not breaking away under the prerequisite of the spirit and scope of the present invention that limited by appending claims, the variation on various forms and the details all is effective.
Claims (10)
1. refrigerator comprises:
One fuselage, the cold air channel that has a refrigerating chamber, a refrigerating chamber and communicate with described two Room;
One evaporimeter, can produce cold air by carrying out heat exchange with air, described evaporimeter has a spirality refrigerant pipe, vertical setting along cold air channel, with a plurality of fin that are located at the excircle of spirality refrigerant pipe, to increase the heat exchange area between air and the spirality refrigerant pipe;
One first device is used for air being blowed to evaporimeter and making cold air flow into refrigerating chamber and refrigerating chamber, and described first device is located in the cold air channel;
One second device is used to drive first device; And
One the 3rd device is used to make first device reciprocating towards evaporimeter, and the reciprocating motion of first device changes the wind-force that blows to evaporimeter, thereby the air that first device blows to evaporimeter becomes turbulent air flow.
2. refrigerator as claimed in claim 1, wherein, first device comprises fan and second device comprises motor, fan has wheel hub and blade, blade and wheel hub around integrally formed, be used to make air along motor drive shaft to blowing, wheel hub is pivotally connected on the motor drive shaft, make wheel hub along the motor shaft moving linearly, the bottom surface of wheel hub is the inclined-plane.
3. refrigerator as claimed in claim 2, wherein, the 3rd device comprises first supporting member, second supporting member and flexible member, first supporting member contacts with the wheel hub inclined end face, so that wheel hub is reciprocating when itself rotates; The position of second supporting member is relative with first supporting member, and second supporting member also contacts with the wheel hub end face, thereby also reciprocating with wheel hub when wheel hub rotates; Flexible member is located on second supporting member, is used to make wheel hub to be returned to its initial position.
4. refrigerator as claimed in claim 3, wherein, the wheel hub inclined end face is towards motor, and first supporting member comprises that one is fixed on one first cramp bar and one first roller of motor outer surface, first roller is connected rotationally with first cramp bar, and contacts with the wheel hub inclined end face; Second supporting member comprises one second cramp bar and one second roller, and second cramp bar is fixed on the fuselage surface that forms cold air channel and its flexible member is housed, and second roller is connected rotationally with second cramp bar, and contacts with the wheel hub upper surface.
5. refrigerator as claimed in claim 4, wherein, the surface that forms the fuselage of cold air channel is provided with a guide, guide is connected with second cramp bar, when wheel hub is done straight reciprocating motion, second supporting member is done straight reciprocating motion with wheel hub, and like this, flexible member just constantly compresses, extends.
6. refrigerator as claimed in claim 1, wherein, each fin all comprises a ring and a plurality of radial vanelets that stretches out of circumference around ring around described refrigerant pipe setting.
7. a refrigerator comprises:
One fuselage, the cold air channel that has a refrigerating chamber, a refrigerating chamber and communicate with two Room;
One evaporimeter, be used for carrying out heat exchange and producing cold air with air, described evaporimeter has a spirality refrigerant pipe, be located at the cold air channel y direction, with a plurality of around a plurality of fin of being provided with of spirality refrigerant pipe, be used to increase the heat exchange area between air and the spirality refrigerant pipe, each fin comprises a ring and a plurality of radial vanelets that stretches out of circumference around ring round refrigerant pipe
One motor is fixed on the fuselage wall, and described wall forms cold air channel;
One fan is used for that air blowed to evaporimeter and makes cold air flow into refrigerating chamber and refrigerating chamber, fan wheel hub is arranged and on circumference of hub integrally formed blade, be used for air along motor drive shaft to blowing; And
One device can make fan reciprocating towards evaporimeter, because the reciprocating motion of fan, the wind-force that blows to evaporimeter changes, thereby becomes turbulent air flow from the air-flow that fan blows to evaporimeter.
8. refrigerator as claimed in claim 7, wherein, make the reciprocating device of fan comprise first supporting member, second supporting member and flexible member, first supporting member contacts with the wheel hub inclined end face, thereby produce when wheel hub is rotated and move back and forth, the position of second supporting member is relative with first supporting member, and contact with the wheel hub end face, thereby second supporting member is just reciprocating with wheel hub when wheel hub rotates, flexible member is placed on second supporting member, is used to make wheel hub to be returned to its initial position.
9. refrigerator as claimed in claim 8, wherein, the inclined end face of wheel hub is towards motor, first supporting member comprises one first cramp bar and one first roller that is fixed on the motor outer surface, first roller is connected rotationally with first cramp bar and contacts with the wheel hub inclined end face, second supporting member comprises one second cramp bar and second roller, described second cramp bar is fixed on the sidewall of the fuselage that forms cold air channel and a flexible member is housed on it, described second roller is connected rotationally with second cramp bar, and contacts with the wheel hub end face.
10. refrigerator as claimed in claim 9, wherein, on the fuselage sidewall of formation cold air channel a guide is arranged, described guide links to each other with second cramp bar, thereby make second supporting member when wheel hub is done straight reciprocating motion, also do straight reciprocating motion, and flexible member constantly is compressed and extends with wheel hub.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97125925 CN1204038A (en) | 1997-06-30 | 1997-12-25 | Refrigerator |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR28966/97 | 1997-06-30 | ||
| CN 97125925 CN1204038A (en) | 1997-06-30 | 1997-12-25 | Refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1204038A true CN1204038A (en) | 1999-01-06 |
Family
ID=5177484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97125925 Pending CN1204038A (en) | 1997-06-30 | 1997-12-25 | Refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1204038A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100417890C (en) * | 2004-04-30 | 2008-09-10 | 乐金电子(天津)电器有限公司 | Mounting structure for refrigerator fan motor |
| CN102997504A (en) * | 2012-12-28 | 2013-03-27 | 合肥美的荣事达电冰箱有限公司 | Heat exchanger used for refrigerator and manufacturing method of heat exchanger |
| CN117606095A (en) * | 2023-02-15 | 2024-02-27 | C-肯兹株式会社 | Refrigerating machine |
-
1997
- 1997-12-25 CN CN 97125925 patent/CN1204038A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100417890C (en) * | 2004-04-30 | 2008-09-10 | 乐金电子(天津)电器有限公司 | Mounting structure for refrigerator fan motor |
| CN102997504A (en) * | 2012-12-28 | 2013-03-27 | 合肥美的荣事达电冰箱有限公司 | Heat exchanger used for refrigerator and manufacturing method of heat exchanger |
| CN117606095A (en) * | 2023-02-15 | 2024-02-27 | C-肯兹株式会社 | Refrigerating machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |