CN101749910A - Refrigerator - Google Patents

Refrigerator Download PDF

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Publication number
CN101749910A
CN101749910A CN200810244114A CN200810244114A CN101749910A CN 101749910 A CN101749910 A CN 101749910A CN 200810244114 A CN200810244114 A CN 200810244114A CN 200810244114 A CN200810244114 A CN 200810244114A CN 101749910 A CN101749910 A CN 101749910A
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CN
China
Prior art keywords
heater
refrigerator
distributor body
heat conducting
conducting element
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN200810244114A
Other languages
Chinese (zh)
Other versions
CN101749910B (en
Inventor
高亮
鲁松涛
朱启武
柏玉发
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BSH Electrical Appliances Jiangsu Co Ltd
BSH Home Appliances Co Ltd
Original Assignee
BSH Electrical Appliances Jiangsu Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=42243117&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CN101749910(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by BSH Electrical Appliances Jiangsu Co Ltd filed Critical BSH Electrical Appliances Jiangsu Co Ltd
Priority to CN2008102441145A priority Critical patent/CN101749910B/en
Priority to PCT/EP2009/066619 priority patent/WO2010066725A2/en
Priority to US13/133,155 priority patent/US20110283731A1/en
Priority to EP09805690.6A priority patent/EP2373941B2/en
Priority to PL09805690T priority patent/PL2373941T5/en
Publication of CN101749910A publication Critical patent/CN101749910A/en
Application granted granted Critical
Publication of CN101749910B publication Critical patent/CN101749910B/en
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Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/12—Arrangements of compartments additional to cooling compartments; Combinations of refrigerators with other equipment, e.g. stove
    • F25D23/126—Water cooler
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25C—PRODUCING, WORKING OR HANDLING ICE
    • F25C5/00—Working or handling ice
    • F25C5/20—Distributing ice
    • F25C5/22—Distributing ice particularly adapted for household refrigerators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
    • F25D21/04—Preventing the formation of frost or condensate
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25C—PRODUCING, WORKING OR HANDLING ICE
    • F25C2400/00—Auxiliary features or devices for producing, working or handling ice
    • F25C2400/10—Refrigerator units
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
    • F25D21/06—Removing frost
    • F25D21/08—Removing frost by electric heating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
    • F25D2400/06—Refrigerators with a vertical mullion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
    • F25D2400/36—Visual displays
    • F25D2400/361—Interactive visual displays

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Refrigerator Housings (AREA)
  • Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)

Abstract

The invention relates to a refrigerator which comprises a box body (2), a door (3), a distributor (8) and heaters (38 and 39). The box body (2) is provided with at least one storage space (7); the door (3) is connected with the box body (2) for closing at least one part of the storage space (7) and comprises a heat insulation layer (6); the distributor (8) is arranged on the door (3) and comprises a distributor shell (21) adjacent to the heat insulating layer (6); and the heaters (38 and 39) are at least set to be close to the inner side of the distributor shell (21). According to the suggestion of the invention, the refrigerator also comprises at least part of heat conduction elements (40 and 50) which cover the distributor shell (21) and face the inner surface of the heat insulating layer (6); and the heat conduction elements (40 and 50) are at least close to the heaters (38 and 39) for conducting heat generated by the heaters (38 and 39) to the distributor shell (21).

Description

Refrigerator
[technical field]
The present invention is about a kind of refrigerator, especially about a kind of family expenses or commercial refrigerator that is provided with distributor.
[background technology]
Temperature in the freezer compartment of refrigerator can reach subzero tens degree usually.Carry out heat exchange and lose cold with the cold air and the outside that reduce in the refrigerator though casing and Men Nei are provided with thermal insulation layer, yet along with the more setting of multicomponent (distributor that for example can distribute ice and water) on the increase of refrigerator capacity and the refrigerator doors, refrigerator doors still might have lower temperature because of the influence that is subjected to storeroom in the part that some are exposed to atmosphere.When these differences that are exposed to the temperature on surface of atmosphere and atmospheric temperature reached condensation point, condensed water will appear in these surfaces.The condensed water phenomenon is particularly outstanding around distributor.
In the prior art, by being set, heating element heater improves the temperature of particular surface of refrigerator to prevent that the technology that condensation produces from being known.For example, U.S. Pat 6,862,891B1 discloses a kind of refrigerator, and this refrigerator has heating element heater that is provided with near the ice distributor and the control module that is connected with this heating element heater.It is variable that control module is configured to make the voltage that provides to heating element heater, thereby heating element heater can be worked between different non-zero voltage to reduce energy consumption.
Run through owing to door has irregular shape, distributor body different piece distance usually at corresponding distributor body place that the distance of ice transfer passage of door is different, thermal insulation layer might equal reason at the thickness of distributor body different piece, the zones of different of distributor body produces the possibility difference of condensation, thereby anti-/ remove in the condensation process, some zone of door overheated some zone might occur and temperature then might occur and cross low and can't prevent effectively that condensation from producing.
[summary of the invention]
Therefore, the objective of the invention is to overcome at least one above-mentioned technical problem of prior art, thereby might condensation occur and/or remove the condensation that distributor body occurs to prevent distributor body with higher energy efficiency and the temperature that improves distributor body equably.
An aspect of of the present present invention is about a kind of refrigerator, and described refrigerator comprises the casing that limits at least one storage space; Be connected in the door of described casing with at least a portion of closing described storage space, described door comprises thermal insulation layer; Be arranged on the distributor on the described door, described distributor comprises the distributor body adjacent with described thermal insulation layer; And heater, be arranged at least inboard near described distributor body; It is characterized in that, described refrigerator comprises the heat conducting element of the described distributor body of covering towards at least a portion of the inner surface of described thermal insulation layer, and described heat conducting element conducts to described distributor body with the heat that described heater is produced near described heater at least.
By this way, the heat that heater produces can pass to distributor body quickly and evenly, this can prevent on the one hand the distributor body part nearer apart from heater take place overheated apart from heater part far away then underheat produce condensation, thereby just can realize that with reasonable energy consumption the condensation that prevents of distributor body can expect; On the other hand, propagation by heat conducting element, the coverage of the heat that heater produces can be enlarged by heat conducting element, that is to say, the heat that heater produces can become the thermal source of heat conducting element and be disseminated rapidly by heat conducting element, thereby, can reduce the zone that is covered by heater, for example distributor body can be only be provided with heater in the part that occurs condensation easily and be covered by heat conducting element in the lower part of the probability that condensation occurs that to obtain heat also be possible.
Other combine separately or with other features and the feature that is considered to characteristic of the present invention will be set forth in following appended claims.
Though it also is possible that heat conducting element does not directly contact with heater, preferred embodiment according to the present invention, described heat conducting element contacts with described heater, thus the heat that heater produces can directly and promptly pass to heat conducting element.
Preferred embodiment according to the present invention, described distributor body limits the distribution cavity in order at least a portion of accommodating external container, described distribution cavity comprises the distribution cavity wall that extends in the vertical, and described heat conducting element covers the most of at least of described distribution cavity wall.Thereby the distribution cavity wall can be heated equably and be reduced the possibility that it produces condensation.In addition, because the distribution cavity wall can be touched by the user, the setting of heat conducting element prevents that the distribution cavity wall from producing overheated situation, and then prevents the injury that overheated distribution cavity wall might cause the user.
Preferred embodiment according to the present invention, described heat conducting element only contacts with described heater at its fringe region.
Preferred embodiment according to the present invention, the upper end of described heat conducting element contacts with described heater.
Preferred embodiment according to the present invention, described heat conducting element comprises the metal forming with thermal conductive resin, described metal forming contacts with described distributor body face.
Preferred embodiment according to the present invention comprises in order to described heat conducting element is sticked on the sticker on the described distributor body.
Preferred embodiment according to the present invention, described heater is provided with near described ice transfer passage.By this way, can obtain more heat, thereby reduce the possibility that it produces condensation near the part of icing transfer passage.In addition, when the ice transfer passage by by the closing element of sealing through hole when closing, be positioned near the ice transfer passage primary heater and can help also preventing that closing element is frozen in and situation about can't open takes place.
Though heater is with near distributor body but directly not contact with distributor body also be possible, but preferred embodiment according to the present invention, described heater is connected described distributor body, thereby the heat that heater produces can pass to distributor body quickly, and then might reduce the influence of the heat of heater generation to storage space.
Preferred embodiment according to the present invention, described heater comprises primary heater and the secondary heater of independently being controlled.Preferred embodiment according to the present invention, described distributor body comprise the second area of first area and close described first area, and described first area and second area are adjacent with described thermal insulation layer; Described first and second heaters are distributed in respectively on described first area and the described second area.Thereby, prevent that more effectively condensation from producing, different heaters for example might rationally distribute according to the condensation generation characteristics of distributor body zones of different, and by to the control respectively of these different heating devices, can be more effectively and efficient more prevent that condensation from producing or removing the condensation that has produced in the highland.
Structure of the present invention and its other goals of the invention and beneficial effect will be in conjunction with the drawings and description of preferred embodiments and becoming apparent more.
[description of drawings]
The part of book and in order to providing as an illustration to further understanding of the present invention, the following drawings diagram the specific embodiment of the present invention, and be used for illustrating principle of the present invention with specification.Wherein,
Fig. 1 is the schematic perspective view according to the refrigerator of a preferred embodiment of the invention.
Fig. 2 is the show in schematic partial sections of I-I direction in Fig. 1.
Fig. 3 is the part assembling schematic diagram according to the door of the refrigerator of a preferred embodiment of the invention.
Fig. 4 is the schematic distribution map according to the heating unit of the distributor body of a preferred embodiment of the invention.
Fig. 5 is the module diagram according to the refrigerator of a preferred embodiment of the invention.
[specific embodiment]
Please refer to accompanying drawing, see figures.1.and.2 at first especially.As depicted in figs. 1 and 2, refrigerator 1 comprises casing 2 and two doors 3 that are connected in casing 2.
Casing 2 comprises shell 11, inner bag 12 and the thermal insulation layer 6 between shell 11 and inner bag 12.In the present embodiment, thermal insulation layer 6 is a fluid insulation, is formed by the foaming of heat insulation foaming agent.Casing 2 limits at least one storage space in order to stored food.In the present embodiment, storage space comprises refrigerating chamber 7 and the refrigerating chamber (not shown) that is arranged side by side.
Door 3 is pivotally connected to casing 2 by hinge 4 respectively, and can rotate around the corresponding turning cylinder that is parallel to the longitudinal axis.As shown in Figure 2, also be provided with fluid insulation 6 in the door 3.Under normal conditions, door 3 is closed to prevent that cold air from leaving refrigerating chamber 2 and refrigerating chamber.When needed, the user can open corresponding door 3 to carry out for example taking out food from refrigerating chamber or refrigerating chamber or the operation of food storage to corresponding storeroom.The user can the action that opposite house 3 enforcements open and close by handle 5.
A door 3 makes corresponding storeroom all open or close fully in the present embodiment.Should be appreciated that the present invention is not limited to this, but also other embodiment can be arranged.For example, in the enforcement of a replacement, a storeroom is opened or is closed by two doors 3, that is to say that a door 3 only opens or closes the part of such storeroom.
The door (to call refrigerating chamber door in the following text) 3 of corresponding refrigerating chamber 7 is provided with distributor 8 so that the user can open door 3 is desirable ice and/or beverage (for example water), for example is stored at interior ice of refrigerating chamber and the water that is positioned at the water tank of refrigerating chamber.Though in the present embodiment distributor 8 be arranged on corresponding to refrigerating chamber the door 3 on.Yet, should be appreciated that by rational arrangement distributor 8 be arranged on corresponding to refrigerating chamber the door on also be possible.
As shown in Figures 2 and 3, refrigerating chamber door 3 comprise the door-plate 13 that constitutes its front surface and when refrigerating chamber door 3 is in the closed position towards the liner 23 of refrigerating chamber 7.In the present embodiment, door-plate 13 is made by sheet metal, the both sides of door-plate 13 respectively backward bending extend to form first and second longitudinal side walls 48,49.Thermal insulation layer 6 closely contacts with the door-plate 13 and first and second longitudinal side walls 48,49.
Door-plate 13 has the opening 9 corresponding to distributor 8, and opening 9 is roughly square.Distributor 8 comprises the distributor body 10 that is housed between door-plate 13 and the liner 23.The cavity 14 that distributor body 10 forms and caves inward, front end is open.The shape and size of the front port of cavity 14 are roughly corresponding to opening 9.Liner 23 towards refrigerating chamber 7 projectioies, has preset distance with distributed heat insulating barrier 6 between the bossing of distributor body 10 and liner 23 at corresponding distributor body 10 places.
Distributor 8 comprises the demarcation strip 15 that is located in the cavity 14.Demarcation strip 15 is parallel to horizontal plane and cavity 14 is divided into two parts up and down.The part that cavity 14 is positioned at demarcation strip 15 belows has constituted the open distribution cavity 16 of front end maintenance.Distribution cavity 16 is configured to be suitable for accommodating for example at least a portion of cup of an external container.In the present embodiment, distribution cavity 16 is recessed to desired depth with certain radian backward from the front surface of door 3.
It roughly is flat supporting walls 17 that distribution cavity 16 has, so that external container can be placed on it reposefully.Supporting walls 17 has a plurality of tiny through holes (not shown), and ice or moisture are joined the liquid that spills accidentally in the process or overflow and flowed into the water receiving tank 19 that is positioned at supporting walls 17 belows by these through holes.
Refrigerator 1 comprises the control panel 20 that is arranged on the refrigerating chamber door 3.Control panel 20 comprises display screen 21 and a plurality of button or Petting Area 22 in order to control refrigerator 1.Display screen 21 can display refrigerator 1 state and/or information such as available parameter.
In the present embodiment, control panel 20 is provided with along the upper end of opening 9, and next-door neighbour's distribution cavity 16.The part that opening 9 is positioned at demarcation strip 15 tops adapts with the outline of control panel 20, thereby the respective edges of control panel 20 and opening 9 engages, and cavity 14 is positioned at the part of demarcation strip 15 tops by control panel 20 sealings.
Distributor body 10 comprises the chamber wall that limits cavity 14.The chamber wall comprises the first 24 that is positioned at demarcation strip 15 belows.First 24 comprises vertical wall 30 of the longitudinal boundary that constitutes distribution cavity 16.Vertically wall 30 has the cross section that is roughly arc perpendicular to horizontal plane.Vertically the rear surface of wall 30 is close to thermal insulation layer 6, and outer surface then is exposed in the atmosphere.
First 24 also comprises lower end that is connected vertical wall 30 and the diapire 31 that extends forward.Diapire 31 is positioned at the below of supporting walls 17, and with supporting walls 17 at intervals, to constitute above-mentioned water receiving tank 19.
The chamber wall of distributor body 10 comprises the second portion 25 that is connected and is positioned at the top of demarcation strip 15 with the upper end of first 24.Second portion 25 comprises the inclined wall 26 that turns forward and extend from vertical wall 30.Inclined wall 26 comprises the through hole 27 in order to allow ice to pass through.Through hole 27 has constituted the part of ice transfer passage 29.Wherein, ice transfer passage 29 is in order to carry ice from the ice storage unit 28 that is positioned at refrigerating chamber 7 to distribution cavity 16.Second portion 25 also comprises the roof 32 of the coboundary that constitutes cavity 14.Second portion 25 has the hole 33 of permission in order to carry the feed pipe (not shown) of drinkable water to pass through to distribution cavity 16.
The row who is embedded with the major part that constitutes ice transfer passage 29 in the refrigerating chamber door 3 ices pipe 34.One end of row's ice pipe 34 is connected with second portion 25, and is communicated with through hole 27.When refrigerating chamber door 3 was closed, the other end of row's ice pipe 34 was towards the outlet of the ice storage unit 28 that is positioned at refrigerating chamber 7.Thereby the ice that discharge ice storage unit 28 can the row of entering ice manages 34 and arrange to distribution cavity 16 by the ice mouth 18 that is arranged on the demarcation strip 15 at last.
As shown in Figure 2, though cavity 14 is positioned at demarcation strip 15 upper sections by control panel 20 sealings, yet because demarcation strip 15 is provided with the partially communicating ice mouth 18 that is positioned at demarcation strip 15 tops with cavity 14, therefore the second portion 25 of distributor body 10 is communicated with atmosphere, that is second portion 25 also is exposed in the atmosphere.
In order to prevent that the air in the refrigerating chamber 7 from leaving refrigerating chamber 7 or extraneous air enters refrigerating chamber 7 by ice transfer passage 29 from ice transfer passage 29, distributor 8 is provided with in order to open or to close the door ice transfer passage 29 closing elements 36.In the ordinary course of things, ice transfer passage 29 is closed element 36 and closes.When needs distributed ice, closing element 36 was opened ice transfer passage 29 to allow the conveying of ice.Closing element 36 has roughly the shape and size corresponding to through hole 27, with when the closed position, and sealing through hole 27 and then close ice transfer passage 29.In the present embodiment, closing element 36 is connected on the second portion 25 of distributor body 10, and is housed in the cavity 14.
Be subjected to the influence of refrigerating chamber 7, the temperature of distributor body 10 often is lower than temperature/environment temperature.When the temperature difference of environment temperature and distributor body 10 reaches condensation point, will form condensation water on the distributor body 10.The second portion 25 of distributor body 10 manages 34 because close row ices, and has constituted the part of ice transfer passage 29, so possibility of its generation condensation is higher relatively.Therefore, refrigerator 1 is provided with the heating unit 37 in order to the surface temperature that improves distributor body 10.As shown in Figure 2, heating unit 37 is distributed between distributor body 10 and the thermal insulation layer 6.
Fig. 4 illustrates the schematic diagram of heating unit 37 in accordance with a preferred embodiment of the present invention.As shown in Figure 4, heating unit 37 comprises in order to primary heater 38 that heat is provided to distributor body 10 and the secondary heater of arranging near primary heater 38 39.Primary heater 38 and secondary heater 39 are preferably based on resistance heated.
In order to pass to distributor body 10 in the heat balance ground that primary heater 38 and secondary heater 39 produced, heating unit 37 comprises the heat that produced by primary heater 38 and secondary heater 39 in order to conduction first heat conducting element 40 to distributor body 10.In the present embodiment, first heat conducting element 40 is the good aluminium foil of thermal conductivity.
First heat conducting element 40 is provided with the hole (not indicating) corresponding to through hole 27.Primary heater 38 and secondary heater 39 can distribute according to distributor body 10 condensation characteristic distributions.In the present embodiment, primary heater 38 comprise a plurality ofly be provided with round described hole, curved heating ring section 40.Secondary heater 39 is provided with near primary heater 38, preferably includes part between the heating ring section 35 of primary heater 38.Preferably, this part has the shape of corresponding heating ring section 35.
Primary heater 38 and secondary heater 39 with predetermined distribution of shapes after a side of first heat conducting element 40, the opposite side of first heat conducting element 40 closely is attached to the medial surface of distributor body 10.
Heating unit 37 sticks on the inboard of distributor body 10 by sticker (not shown), and makes the hole of first heat conducting element 40 corresponding with through hole 27.First heat conducting element 40 and the first hot device 38 and secondary heater 39 are soft, deformable, therefore, be distributed on the inclined wall 26 in the part of heating unit 37 between A line and B line, stick on the roof 32 after being positioned at the part bending of A line top, the part that is positioned at B line below then is connected to the upper end of vertical wall 30 after bending.Thereby in the present embodiment, primary heater 38 mainly is distributed on the inclined wall 26 and roof 32 of distributor body 10.The end portion of primary heater 38 extends to the upper end at vertical wall 30.Distribute round through hole 27 from through hole 27 nearest heating ring sections 35.The major part of heater 39 is distributed on the inclined wall 26.The part that is positioned at B line below extends to the upper end of vertical wall 30 with the first hot device 38.
In the present embodiment, the first hot device 38 and secondary heater 39 are distributed in respectively on the first area 51 and second area 52 of distributor body 10.First area 51 and second area 52 are close but not overlapping.Wherein, the most of of inclined wall 26 and roof 32 and the vertical upper part of the close inclined wall 26 of wall 30 are contained in first area 51.The area of second area 52 is less than first area 51, and surrounded by first area 51.
Preferably, the power of secondary heater 39 is less than primary heater 38.Preferably, the power density of secondary heater 39 is configured to: even secondary heater 39 is switched on a very long time or is opened always, distributor body 10 can be not overheated yet.
Preferred embodiment according to the present invention, vertically wall 30 is provided with second heat conducting element 50 towards a side of thermal insulation layer 6.The upper end of second heat conducting element 50 is connected with secondary heater 39 with primary heater 38, perhaps is connected with first heat conducting element 40.Thereby first, second heater 38,39 and/or first heat conducting element 40 constitute the thermal source of second heat conducting element 50.
Because second heat conducting element 50 has good thermal conductivity, the other parts that the heat that primary heater 38 and secondary heater 39 produce is not also established heating element heater for vertical wall 30 by conduction, thus vertically the temperature of wall 30 is raised and can prevents that condensation from producing.Because vertically wall 30 distance ice transfer passages 29 are far away relatively, such arrangement can need not on vertical wall 30, to be provided with heater or only vertical wall 30 be not easy by the fringe region that the user runs into heater is set and just is enough to prevent that vertical wall 30 from producing condensations, thereby reduce energy consumption.In addition, this also can be avoided the condition of overhigh temperature of vertical wall 30 that can be touched by the user to take place.
Preferably, second heat conducting element 50 comprises the metal forming with thermal conductive resin, for example aluminium foil.In a particularly preferred embodiment, second heat conducting element 50 covers the overwhelming majority at least of vertical wall 30, and for example vertically wall 30 is covered by second heat conducting element 50 fully.Second heat conducting element 50 is preferably by sticker adhesive tape and stick on vertical wall 30 inboards for example.
For the temperature that prevents the part that vertical wall 30 is touched by the user easily apparently higher than environment temperature, preferably, heat conducting element 50 is only in its fringe region and 38,39 contacts of first and second heaters.Particularly preferably, the upper end of heat conducting element 50 and 38,39 contacts of first and second heaters.
In above embodiment, first and second heaters 38,39 extend to the upper end of vertical wall 30.Yet the present invention should not be confined to this.For example, In an alternative embodiment, first and second heaters 38,39 do not extend to vertical wall 30, but by heat conducting element 50 extend to (for example extend to inclined wall 26) outside vertical wall 30 and with first and second heaters 38,39 contact that is positioned at outside vertical wall 30 also be possible.
First longitudinal side wall 48 of refrigerating chamber door 3 is near the turning cylinder of refrigerating chamber doors 3, and second longitudinal side wall 49 opposite with first longitudinal side wall 48 be then away from the turning cylinder of refrigerating chamber door 3, and near the door of refrigerating chamber.Preferred embodiment according to the present invention, refrigerating chamber door 3 are provided with in order to the 3rd heater 47 of heat being provided for second longitudinal side wall 49, produce condensation to prevent second longitudinal side wall 49 because of the difference of surface temperature and environment temperature.In the present embodiment, the 3rd heater 47 inboard of second longitudinal side wall 49 that is sticked.
Second longitudinal side wall 49 is provided with the 3rd heat conducting element 54 that is connected its inboard.The 3rd heat conducting element 54 passes to second longitudinal side wall 49 equably with the heat that the 3rd heater 47 is produced between the inner surface of the 3rd heater 47 and second longitudinal side wall 49.Preferably, the 3rd heat conducting element 54 sticks on the inner surface of second longitudinal side wall 49 by adhering device (for example adhesive tape).
The 3rd heater 47 and/or the 3rd heat conducting element 54 are preferably disposed on the zone of the corresponding in the vertical distributor 8 of second longitudinal side wall 49.Preferably, the 3rd heater 47 in the horizontal with distributor 8 to the small part crossover.
Fig. 5 illustrates the organigram according to the refrigerator of a preferred embodiment of the invention.Set forth the control method of primary heater 38 and secondary heater 39 below in conjunction with Fig. 4.
Refrigerator 1 comprises control module 41 and the input block 43 and the display unit 44 that couple respectively with control module 41, wherein input block 43 comprises button or the Petting Area 22 that is positioned on the control panel 20, and display unit 44 comprises the display screen 21 that is positioned on the control panel 20.Control module 41 comprises microprocessor and mnemon, thereby can be by being kept at for example primary heater 38 of some elements that program in the mnemon controls refrigerator 1 automatically.
Refrigerator 1 also comprises the detecting unit 42 in order to detect at least one ambient parameter.Detecting unit 42 couples with control module 41, and the parameter that is detected is fed back to control module 41.In the present embodiment, detecting unit 42 comprises the temperature sensor in order to the testing environment temperature.Detecting unit 42 is controlled the operation of primary heater 38 based on the environment temperature that is detected, comprise switching on and off of control primary heater 38.
In a preferred embodiment, when the environment temperature that is detected during less than zero degree, primary heater 38 disconnects.When the environment temperature that is detected when zero degree and 10 is spent, primary heater 38 is with first power output operation and/or with less than 0.3 dutycycle operation.When the environment temperature that is detected was spent less than 15 greater than 10 degree, primary heater 38 was connected with second power output, and perhaps primary heater 38 alternately switches on and off with second dutycycle (for example 0.4).When the environment temperature that is detected was spent less than 25 greater than 15 degree, primary heater 38 was connected with the 3rd power output and/or is moved with the 3rd predetermined dutycycle (for example 0.5).
In an alternative embodiment, detecting unit 42 also comprises the humidity sensor in order to testing environment relative humidity.Control module 41 is controlled the operation of primary heater 38 based on factors such as the environment temperature that is detected, envionmental humidities.
It is controlled that secondary heater 39 is independent of primary heater 38 ground.According to the present invention, secondary heater 39 only is switched in auxiliary heating mode, and wherein auxiliary heating mode must be manually booted by the user.Thereby, the user can be according to the condensation phenomenon of refrigerator 1 and flexibly decision whether connect secondary heater 38 to increase in order to remove condensation or anti-condensation heat.
In a preferred embodiment, above-mentioned auxiliary heating mode is started by the switching device 45 that is arranged on the refrigerating chamber door 3.Switching device 45 preferably be arranged on the distributor 8 or be arranged on distributor 8 near.Particularly preferably, switching device 45 is arranged on the demarcation strip 15.
In one embodiment, switching device 45 electrically connects with secondary heater 39, and switching on and off of switching device 45 determines switching on and off of secondary heater 39.Preferably, when switching device 45 was in off-state, refrigerator 1 was in normal mode, and primary heater 38 is switched on or switched off based on the instruction of control module 41, and secondary heater 39 disconnects.When user operable switch device 45 made it closed, refrigerator 1 started auxiliary heating mode, and secondary heater 39 is switched on and extra heat is provided for distributor body 10, and primary heater 38 is switched on or switched off based on the instruction of control module 41 simultaneously.
Switching device 45 can be independent of control module 41 and be provided with, and for example switching device 45 does not have annexation with the microprocessor of control module 41.In an alternative embodiment, switching device 45 is connected with control module 41, for example display unit 43 can display refrigerator 1 be to be in normal heating pattern or auxiliary heating mode, and perhaps the user can select to start auxiliary heating mode by the parameter that display unit 43 shows by switching device 45.
Thereby secondary heater 39 can disconnect by manual cut-off switch device 45 and withdraw from auxiliary heating mode.Yet In an alternative embodiment, secondary heater 39 also can be by automatic disconnections.For example, control module 41 is provided in secondary heater 39 and connects scheduled times for example after 15 minutes, automatic disconnection secondary heater 39.This can realize that timing means is configured to when secondary heater 39 is switched to the scheduled time by the timing means that is connected with control module 41, and timing means produces a signal, and secondary heater 39 is disconnected based on this signal.Switching device 45 not with situation that the microprocessor of control module 41 is connected under, this can realize by the timer that the timer that is connected with switching device 45 or switching device 45 carry.
In an alternative embodiment, secondary heater 39 are also controlled automatically by control module 41.For example secondary heater 39 only just is switched on greater than reservation value (for example 80%) time greater than predetermined value (for example 30 degree) and/or envionmental humidity in environment temperature.
In an alternative embodiment, secondary heater 39 are also controlled automatically by control module 41.For example secondary heater 39 only just is switched on greater than reservation value (for example 80%) time greater than predetermined value (for example 30 degree) and/or envionmental humidity in environment temperature.
In embodiment as shown in Figure 5, the control mode of the 3rd heater 47 is identical with the first hot device 38, is controlled automatically based on the parameter that is detected by control module 41.In a preferred embodiment, described parameter comprises environment temperature, envionmental humidity, and/or the temperature of sidewall 49, thereby control module 41 can be controlled the 3rd heater 47 based on the temperature of environment temperature, envionmental humidity and/or sidewall 49, for example whether connects the frequency or the dutycycle of the 3rd heater 47 and 47 connecting and disconnecting of the 3rd heater.

Claims (11)

1. a refrigerator (1) comprising:
Limit the casing (2) of at least one storage space (7);
Be connected in the door (3) of described casing (2) with at least a portion of closing described storage space (7), described door (3) comprises thermal insulation layer (6);
Be arranged on the distributor (8) on the described door (3), described distributor (8) comprises the distributor body (21) adjacent with described thermal insulation layer (6); And
Heater (38,39) is arranged at least the inboard near described distributor body (21),
It is characterized in that, also comprise and cover the heat conducting element (40 of described distributor body (21) towards at least a portion of the inner surface of described thermal insulation layer (6), 50), described heat conducting element (40,50) at least near described heater (38,39) conduct to described distributor body (21) with the heat that described heater (38,39) is produced.
2. refrigerator as claimed in claim 1 (1) is characterized in that, described heat conducting element (40,50) and described heater (38,39) contact.
3. refrigerator as claimed in claim 1 or 2 (1), it is characterized in that, described distributor body (21) limits the distribution cavity (16) in order at least a portion of accommodating external container, described distribution cavity (16) comprises the distribution cavity wall (30) that extends in the vertical, and described heat conducting element (50) covers the most of at least of described distribution cavity wall (30).
4. as above any described refrigerator of claim (1), it is characterized in that described heat conducting element (50) is only in its fringe region and described heater (38,39) contact.
5. as above any described refrigerator of claim (1), it is characterized in that the upper end of described heat conducting element (50) and described heater (38,39) contact.
6. as above any described refrigerator of claim (1), it is characterized in that described heat conducting element (40,50) comprises the metal forming with thermal conductive resin, described metal forming contacts with described distributor body (21) face.
7. as above any described refrigerator of claim (1), it is characterized in that, comprise in order to described heat conducting element (40,50) is sticked on the sticker on the described distributor body (21).
8. as above any described refrigerator of claim (1), it is characterized in that comprise the ice transfer passage (29) that penetrates described door (3), described heater (38,39) is provided with near described ice transfer passage (29).
9. as above any described refrigerator of claim (1), it is characterized in that described heater (40,50) is connected on the described distributor body (21).
10. as above any described refrigerator of claim (1), it is characterized in that described heater (38,39) comprises primary heater (38) and the secondary heater of independently being controlled (39).
11. as any described refrigerator (1) in the claim 10, it is characterized in that, described distributor body (21) comprises the second area (52) of first area (51) and close described first area (51), and described first area (51) and second area (52) are adjacent with described thermal insulation layer (6); Described first and second heaters (38,39) are distributed in respectively on described first area (51) and the described second area (52).
CN2008102441145A 2008-12-08 2008-12-08 Refrigerator Active CN101749910B (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CN2008102441145A CN101749910B (en) 2008-12-08 2008-12-08 Refrigerator
PCT/EP2009/066619 WO2010066725A2 (en) 2008-12-08 2009-12-08 Refrigerator
US13/133,155 US20110283731A1 (en) 2008-12-08 2009-12-08 Refrigerator
EP09805690.6A EP2373941B2 (en) 2008-12-08 2009-12-08 Refrigerator
PL09805690T PL2373941T5 (en) 2008-12-08 2009-12-08 Refrigerator

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CN101749910B CN101749910B (en) 2012-02-08

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CN (1) CN101749910B (en)
PL (1) PL2373941T5 (en)
WO (1) WO2010066725A2 (en)

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CN110375501A (en) * 2019-07-15 2019-10-25 合肥美的电冰箱有限公司 The control method and control device of refrigeration equipment and its distributor
WO2023088219A1 (en) * 2021-11-16 2023-05-25 青岛海尔电冰箱有限公司 Door assembly and refrigerator having same

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CN110375501A (en) * 2019-07-15 2019-10-25 合肥美的电冰箱有限公司 The control method and control device of refrigeration equipment and its distributor
WO2023088219A1 (en) * 2021-11-16 2023-05-25 青岛海尔电冰箱有限公司 Door assembly and refrigerator having same

Also Published As

Publication number Publication date
US20110283731A1 (en) 2011-11-24
EP2373941B2 (en) 2019-04-24
EP2373941A2 (en) 2011-10-12
PL2373941T3 (en) 2015-09-30
WO2010066725A2 (en) 2010-06-17
CN101749910B (en) 2012-02-08
PL2373941T5 (en) 2019-10-31
WO2010066725A3 (en) 2010-11-11
EP2373941B1 (en) 2015-04-15

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