CN101749915B

CN101749915B - Refrigerator

Info

Publication number: CN101749915B
Application number: CN200810244094A
Authority: CN
Inventors: 高亮; 鲁松涛; 朱启武; 柏玉发
Original assignee: BSH Electrical Appliances Jiangsu Co Ltd
Current assignee: BSH Electrical Appliances Jiangsu Co Ltd; BSH Home Appliances Co Ltd
Priority date: 2008-12-08
Filing date: 2008-12-08
Publication date: 2012-09-26
Anticipated expiration: 2028-12-08
Also published as: EP2373939A2; US20110289949A1; CN101749915A; WO2010066726A3; WO2010066726A2; EP2373939B1

Abstract

The invention relates to a refrigerator which comprises a box body (2), at least a part of door (3), a distributor (8), a first heater (38) and a control unit (41). 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 the storage space (7); the distributor (8) is arranged on the door (3) and comprises a distributor shell (10); the first heater (38) is used for supplying heat for the distributor shell (10); the control unit (41) is set to automatically control the first heater (38); and the operation of the first heater (38) at least comprises switching on/off the first heater (38). According to the suggestion of the invention, the refrigerator also comprises a second heater (39) near the first heater 938; and in a manually started auxiliary heating mode, the second heater (39) is switched on for providing extra heat for the distributor shell (10).

Description

Refrigerator

[technical field]

The present invention is about a kind of refrigerator, especially about a kind of family expenses or commercial refrigerator 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 receives storeroom in the part that some are exposed to atmosphere.When these differences of temperature and atmospheric temperature that are exposed to the surface of atmosphere reached condensation point, condensed water will appear in these surfaces.

In the prior art, through the temperature of particular surface that heating element heater improves refrigerator being set to prevent that the technology that condensation produces from being known.U.S. Pat 6,862,891 B1 disclose 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.The background parts of this patent is also open: two anti-condensation heaters can be installed by manufacturer, and one of them is as subsequent use heater and only behind another heater failure, re-use.

Produce on the refrigerator whether to produce condensation relevant with the temperature of the particular surface of environmental condition (for example temperature and humidity) and refrigerator, also relevant with the operation and the operating position of refrigerator.The anti-condensation heater that only is provided with the automatic control of a quilt can not prevent to entirely accurate the appearance of condensation sometimes and/or the superfluous situation of anti-condensation heater heat can take place; For the refrigerator that uses in the huge country variant of climate difference or area, this shortcoming is particularly evident.In addition; If consider influence whole factors (environment temperature for example of condensation generation; Envionmental humidity; Refrigerator surface temperature, refrigerator refrigeration system working conditions etc.), for example microprocessor and the mnemon etc. of control module might need to upgrade some parts of the obviously complicated and refrigerator of the construction of refrigerator.

[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 can prevent the generation of condensation with lower cost or remove to have produced condensation.

One side of the present invention comprises about a kind of refrigerator: limit the casing of at least one storage space, be connected in the door of said casing with at least a portion of closing said storage space; Be arranged on the distributor on the said door, said distributor comprises distributor body; Primary heater provides heat in order to give said distributor body; And control module, said control module is configured to control automatically the operation of said primary heater, and the operation of said primary heater comprises at least and switches on and off said primary heater; It is characterized in that, also comprise the secondary heater near said primary heater, said secondary heater is switched in by the assistant heating pattern that manually boots extra heat is provided for said distributor body.

Through intelligence and the mode that manually combines, the construction of control module can be simple relatively, thus can with lower cost realize to the refrigerator under the situation that is used in different climatic environments and/or different usage degrees anti-/ remove the condensation function.In addition, under the situation that does not have condensation to produce, secondary heater can directly be closed or kept shut by the user, therefore also reduced unnecessary energy consumption, and then anti-condensation/removing condensation efficient can improve.

Other combine separately or with other characteristics and the characteristic that is considered to characteristic of the present invention will require middle elaboration in following Rights attached thereto.

A special preferred embodiment comprises the switching device that is connected with said secondary heater according to the present invention, thereby wherein said secondary heater is switched on through the said switching device of manual control and starts said assistant heating pattern.

Special preferred embodiment according to the present invention, said secondary heater is disconnected through the said switching device of manual control.In an alternative embodiment uses timing means to close secondary heater, and said timing means is configured to: after said secondary heater is switched on a scheduled time, produce a signal that is used to break off said secondary heater.

Particularly preferably, the power of said secondary heater is less than the power of said primary heater.

Special preferred embodiment according to the present invention; Also comprise detecting unit; Said detecting unit is in order to detect at least one ambient parameter and to feed back to said control module, and said control module is configured to control said primary heater based on the ambient parameter that is detected.Particularly preferably, said ambient parameter comprises environment temperature and/or envionmental humidity.

Preferred embodiment according to the present invention, said primary heater and/or said secondary heater are disposed in the inboard of said distributor body, and the thermal insulation layer of the inboard of said distributor body and said door is adjacent.

Because door has irregular shape usually at corresponding distributor body place; Therefore zones of different produces the possibility difference of condensation; Therefore preferred embodiment according to the present invention; Said distributor body comprises the first area and near the second area of said first area, said primary heater is arranged on the said first area, and said secondary heater is arranged on the said second area.Thereby the condensation of preventing/remove of the distributor body of zones of different might be distinguished control, anti-to improve/except that condensation efficient.

Preferred embodiment according to the present invention, said distributor comprise the ice transfer passage that penetrates said door, and said distributor body comprises the through hole of a part that constitutes said ice transfer passage, and at least a portion of said primary heater is along said through hole setting.Because near the temperature the ice transfer passage is relatively low, therefore greatly reduce the possibility that this place produces condensed water.In addition, when the ice transfer passage through by the closing element of sealing through hole when closing, be positioned near the through hole primary heater and can help also preventing that closing element is frozen in and situation about can't open takes place.

Preferred embodiment according to the present invention, the inboard of said distributor body is provided with heat conducting element, and said heat conducting element is configured to the heat of said primary heater and/or said secondary heater is conducted to said distributor body.Thereby the heat that heater produces can pass to distributor body equably, and this also reduces the heat that is produced, transmitted to the storage space direction by heater to a certain extent.

Special preferred embodiment according to the present invention, said distributor body limits the distribution cavity in order at least a portion of accommodating external container, and said heat conducting element covers the major part at least of vertical wall of said distribution cavity.Thereby, might needn't be provided with at vertical wall of distribution cavity under the situation of the part that heater or heater only be arranged on vertical wall (for example be not easy run into upper edge region) by the user, effectively prevent to produce condensation on vertical wall.

Particularly preferably, said heat conducting element comprises the metal forming with thermal conductive resin, and said metal forming contacts with said distributor body face.

Preferred embodiment according to the present invention, said primary heater comprises the bringing-up section of two preset distances of being separated by, at least a portion of said secondary heater is between said two bringing-up sections.Thereby, when secondary heater is not activated, arrange that the zone of secondary heater can be covered by the heat of primary heater generation effectively.

Preferred embodiment according to the present invention comprises that also the longitudinal side wall in order to give said door provides the 3rd heater of heat, thereby can prevent on the longitudinal side wall of door, to produce condensation or remove the condensation that has produced.

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 more obviously understandable.

[description of drawings]

As the part of specification and in order to providing to further understanding of the present invention, the following accompanying drawing diagram specific embodiment of the present invention, and be used for explaining 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 sketch map 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, see figures.1.and.2 at first especially with reference to accompanying drawing.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 passes through hinge 4 pivotal connections respectively in casing 2, 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 from refrigerating chamber or refrigerating chamber, taking out food or the operation of food storage to corresponding storeroom.The user can the action that opposite house 3 enforcements open and close through 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 distributor 8 is arranged on the door 3 corresponding to refrigerating chamber in the present embodiment.Yet, should be appreciated that it also is possible being arranged on the door corresponding to refrigerating chamber through rational arrangement distributor 8.

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 processed 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 convexities, 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 the supporting walls 17 of putting down 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 through 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 information such as state and/or 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 back 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 through 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; The second portion 25 of distributor body 10 therefore and atmosphere, that is second portion 25 also is exposed in the atmosphere.

Perhaps extraneous air is through ice transfer passage 29 entering refrigerating chambers 7 in order to prevent refrigerating chamber 7 interior air to leave refrigerating chamber 7 from ice transfer passage 29, and 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.

Receive 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 owing to icing near row, 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 sketch map 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 give primary heater 38 that distributor body 10 provides heat 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 are 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 can distribute according to distributor body 10 condensation characteristic distributions with secondary heater 39.In the present embodiment, primary heater 38 comprise a plurality ofly be provided with round said 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 through sticker (not shown), and makes the hole of first heat conducting element 40 corresponding with through hole 27.First heat conducting element 40 is soft, deformable with primary heater 38 and secondary heater 39; 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 secondary 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 primary heater 38.

In the present embodiment, primary heater 38 is distributed in respectively on the first area 51 and second area 52 of distributor body 10 with secondary heater 39.First area 51 and second area 52 near but not overlapping.Wherein, the upper part near inclined wall 26 of most of and vertical wall 30 of inclined wall 26 and roof 32 is 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, primary heater 38 is also conducted other part of not establishing heating element heater for vertical wall 30 with the heat that secondary heater 39 produces, thereby 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, the condition of overhigh temperature of this vertical wall 30 that also can avoid being touched by the user takes place.

Preferably, second heat conducting element 50 comprises the metal forming with thermal conductive resin, for example aluminium foil.In a special 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 preferably is secured at vertical wall 30 inboards.

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,

second heater

38,39 contacts that are 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 door 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 and is connected its 3rd inboard heat conducting element 54.The 3rd heat conducting element 54 passes to second longitudinal side wall 49 with the heat that the 3rd heater 47 is produced equably 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 through 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 part crossover at least.

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 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 through being kept at for example primary heater 38 of some elements that program in the mnemon comes control 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 breaks off.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.

Secondary heater 39 is independent of primary heater 38 ground and is controlled.According to the present invention, secondary heater 39 only is switched in the assistant heating pattern, and wherein the assistant heating pattern 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 the heat of condensation or anti-condensation.

In a preferred embodiment, above-mentioned assistant heating pattern 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 breaks off.When user operable switch device 45 made it closed, refrigerator 1 started the assistant heating pattern, 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 assistant heating pattern, and perhaps the user can select to start the assistant heating pattern by the parameter that display unit 43 shows through switching device 45.

Thereby secondary heater 39 can break off the assistant heating pattern that withdraws from through manual cut-off switch device 45.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 through 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 through the timer that the timer that is connected with switching device 45 or switching device 45 carry.

In embodiment as shown in Figure 5, the control mode of the 3rd heater 47 is identical with primary heater 38, also is based on the parameter that is detected and by control automatically by control module 41.In a preferred embodiment; Said 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

1. a refrigerator (1) comprising:

Limit the casing (2) of at least one storage space (7),

Be connected in the door (3) of said casing (2) with at least a portion of closing said storage space (7);

Be arranged on the distributor (8) on the said door (3), said distributor (8) comprises distributor body (10);

Primary heater (38) provides heat in order to give said distributor body (10); And control module (41), said control module (41) is configured to control automatically the operation of said primary heater (38), and the operation of said primary heater (38) comprises at least and switches on and off said primary heater (38),

It is characterized in that, also comprise the secondary heater (39) near said primary heater (38), in by the assistant heating pattern that manually boots, said secondary heater (39) is switched on extra heat is provided for said distributor body (10).

2. refrigerator as claimed in claim 1 (1); It is characterized in that; Comprise the switching device (45) that is connected with said secondary heater (39), wherein said secondary heater (39) starts said assistant heating pattern through manually controlling said switching device (45) thereby being switched on.

3. refrigerator as claimed in claim 2 (1) is characterized in that, said secondary heater (39) is disconnected through the manual said switching device of control (45) and finishes said assistant heating pattern.

4. refrigerator as claimed in claim 1 (1) is characterized in that, also comprises timing means, and said timing means is configured to: after said secondary heater (39) is switched on a scheduled time, produce a signal that is used to break off said secondary heater (39).

5. refrigerator as claimed in claim 2 (1) is characterized in that, also comprises timing means, and said timing means is configured to: after said secondary heater (39) is switched on a scheduled time, produce a signal that is used to break off said secondary heater (39).

6. like above any described refrigerator of claim (1), it is characterized in that the power of said secondary heater (39) is less than the power of said primary heater (38).

7. like any described refrigerator (1) in the claim 1 to 5; It is characterized in that; Also comprise detecting unit (42); Said detecting unit (42) is in order to detect at least one ambient parameter and to feed back to said control module (41), and said control module (41) is configured to control said primary heater (38) based on the ambient parameter that is detected.

8. refrigerator as claimed in claim 6 (1); It is characterized in that; Also comprise detecting unit (42); Said detecting unit (42) is in order to detect at least one ambient parameter and to feed back to said control module (41), and said control module (41) is configured to control said primary heater (38) based on the ambient parameter that is detected.

9. refrigerator as claimed in claim 7 (1) is characterized in that said ambient parameter comprises environment temperature and/or envionmental humidity.

10. like any described refrigerator (1) in the claim 1 to 5; It is characterized in that; Said primary heater (38) and/or said secondary heater (39) are disposed in the inboard of said distributor body (10), and the thermal insulation layer (6) of the inboard of said distributor body (10) and said door (3) is adjacent.

11. like any described refrigerator (1) in the claim 1 to 5; It is characterized in that; Said distributor body (10) comprises first area (51) and near the second area (52) of said first area (51); Said primary heater (38) is arranged on the said first area (51), and said secondary heater (39) is arranged on the said second area (52).

12. like any described refrigerator (1) in the claim 1 to 5; It is characterized in that; Said distributor (8) comprises the ice transfer passage (29) that penetrates said door (3); Said distributor body (10) comprises the through hole (27) of a part that constitutes said ice transfer passage (29), and at least a portion of said primary heater (38) is provided with along said through hole (27).

13. like any described refrigerator (1) in the claim 1 to 5; It is characterized in that; The inboard of said distributor body (10) is provided with heat conducting element (40; 50), said heat conducting element (40) is configured to the heat of said primary heater (38) and/or said secondary heater (39) is conducted to said distributor body (10).

14. refrigerator as claimed in claim 13 (1); It is characterized in that; Said distributor body (10) limits the distribution cavity (16) in order at least a portion of accommodating external container, and said heat conducting element (50) covers the major part at least of vertical wall (30) of said distribution cavity (16).

15. refrigerator as claimed in claim 13 (1) is characterized in that, said heat conducting element (50) comprises the metal forming with thermal conductive resin, and said metal forming contacts with said distributor body (10) face.

16. like any described refrigerator (1) in the claim 1 to 5; It is characterized in that; Said primary heater (38) comprises the bringing-up section (40) of two preset distances of being separated by, and at least a portion of said secondary heater (39) is positioned between said two bringing-up sections (40).

17. like any described refrigerator (1) in the claim 1 to 5, it is characterized in that, also comprise the 3rd heater (47) that heat is provided in order to the longitudinal side wall (49) of giving said door (3).