CN103299144B

CN103299144B - Chiller

Info

Publication number: CN103299144B
Application number: CN201180042240.2A
Authority: CN
Inventors: D·切希利克; C·福泽; C·海因; B·普夫洛姆
Original assignee: BSH Bosch und Siemens Hausgeraete GmbH
Current assignee: BSH Hausgeraete GmbH
Priority date: 2010-08-31
Filing date: 2011-08-15
Publication date: 2015-09-30
Anticipated expiration: 2031-08-15
Also published as: EP2612090A2; TR201904657T4; WO2012028447A2; EP2612090B1; DE102010040073A1; PL2612090T3; CN103299144A; RU2013110120A; WO2012028447A3; RU2537533C2

Abstract

Chiller (10), has a housing (12) and an evaporimeter (16) be arranged in housing (12).The inwall (19) of housing (12) constructs a recess (24).Evaporimeter (16) is fixed on housing (12) by the guide way (22) that is arranged in the recess (24) of inwall (19).According to an embodiment, guide way (22) can move axially in recess (24).This makes the special distance changed simply between inwall (19) and evaporimeter (16) in the fabrication process become possibility.

Description

Chiller

The present invention relates to chiller field.

In chiller, refrigeration can use compression refigerating machine, wherein utilizes the conversion of refrigerant states of matter from liquid state to gaseous state to freeze.Refrigerant moves and passes through compressor compresses in refrigerant cycles loop, that is compression.Heat exchanger is introduced into, especially condenser exothermic condensation there by the refrigerant compressed.Pressure change is there is, reduces pressure and be introduced into another heat exchanger, especially evaporimeter in the refrigerant of condensation when applying choke valve, such as expansion valve.Refrigerant evaporates in evaporimeter, absorbs heat at low temperatures, and is then admitted to compressor.In addition, heat exchanger often adds air stream, and described air stream such as produces by means of ventilation blower.

From DE 199 52 330 A1 known a kind of laboratory cooling and/or hot cabinet, with an inner space and air circulation space that it is surrounded from many sides.At least one heating and/or cooling device can have been settled with unloading in this air circulation space.

From US 2, the cooling element of 267,432 known a kind of refrigerators.This cooling element separates by means of all the other inner spaces of a door and refrigerator.

Open source literature EP 05 24 451 A2 shows the chiller of the plastic wall with forming part.Rub in this forming part and a clamping element is set in locking manner, so that by a member grip on plastic wall.

Utility model document DE 20 005 803 U1 shows the retaining element on the rear wall in the chilled goods chamber for evaporator plate being fixed to a cooling device.

Task of the present invention is, proposes a kind of chiller with the thermal characteristics of improvement.

So-called chiller is especially interpreted as family expenses chiller, such chiller also has diet hotel industry when being used for housework or possibility, especially be used at the temperature determined, preserving food and/or beverage with quantity common in housework, such as, refrigerator, reach in freezer, refrigerating combine or storage wine cabinet.

This task is solved by the feature of independent claims.Favourable expansion is the technical scheme of dependent claims.

According to a scheme, the present invention relates to a kind of chiller, with the housing of the inner space of an encirclement chiller, and be placed in the evaporimeter in inner space with one.The inwall of housing constructs a recess.This evaporimeter is fixed on housing by the guide way that is arranged in this recess of inwall.

The diverse location that the guide way be arranged in this recess makes evaporimeter be arranged in housing becomes possibility.This evaporimeter especially can be positioned at one from chiller after its manufacture according on different another position of the run duration specified during chiller manufacture.This makes such as to become possibility at chiller according to having air-flow to flow through around the run duration evaporimeter both sides specified.

According to an embodiment, this guide way can axially-movable in this recess.This makes it possible to the spacing changed during manufacture process in a particularly simple way between this inwall and this evaporimeter.

According to an embodiment, this recess has a closed inwall or is configured to foam seal.In other words, what recess was formed not through inwall wears mouth, when making housing be injected into insulating foams foaming, is in recess insulating foams below and cannot enters in recess.

According to an embodiment, this recess has a backstop, and guide way has a stop element.The acting in conjunction in this wise of this backstop and stop element, makes guide way axially-movable in a first direction in this recess be restricted in backstop by stop element backstop.This causes this guide way to be maintained in recess, and can not skid off from recess completely.

According to an embodiment, a flexible member is set in the recess of inwall, to apply the power acted in the axial direction to guide way.This power presses guide way towards the direction outside from recess.This is in this primary importance when causing evaporimeter to only have below, and namely it is forced in primary importance, or is fixed in primary importance, and such as, owing to being fixed in primary importance by locking, otherwise evaporimeter can move in the second place automatically.

According to an embodiment, this guide way is configured with elasticity at least in part.This makes it possible to it be applied on guide way from the power the direction that recess is released with one.Guide way being configured with elasticity is to arranging substituting or supplementary measure of flexible member in recess.

According to an embodiment, this guide way is arranged in recess with being preloaded, to act on a power in the axial direction on guide way, this power by guide way such as from recess to extrapolation.

According to an embodiment, a ventilation blower is set in this wise in inner space, the air produced is flow to flow through between evaporimeter and inwall less by means of ventilation blower.

According to an embodiment, this evaporimeter is plate-type evaporator, tubular evaparator or Rollbond evaporimeter.This contributes to can manufacturing this chiller simply.

According to an embodiment, this guide way end face has one for keeping the fixture of evaporimeter.This makes it possible to be fixed on guide way by evaporimeter simply especially.This fixture can construct have elasticity in this wise, and the vibration that evaporimeter is occurred in running can not be delivered on housing.

According to an embodiment, the inner wall area towards evaporimeter of this inwall comprises at least one distressed structure.This inwall such as can form the border of this inner space at least in part and form an inner casing.The distressed structure of inner wall area causes being diverted due to the air stream of such as local turbulent between evaporimeter and inwall at chiller running air flow, and point to evaporimeter at least in part, the heat exchange between inner space and evaporimeter can be improved with this.The air-flow of local turbulent can such as be reached by the distortion of the inner wall area of the contiguous evaporimeter of an inwall of chiller.If this distortion comprises a structure, this structure is the negative impression at the back side of evaporimeter at least in part, especially the negative impression of evaporimeter coiled pipe or coolant channel, then like this can the evaporimeter back side and with this distortion inner wall area between produce an adaptation evaporimeter shape and therefore turbulent flow air stream.So a kind of distortion of inwall can particularly advantageously produce when insulating foams being introduced the space limited by inwall and the housing of chiller.If when injecting frostproof froth n, the evaporimeter back side is pressed towards inwall, then due to foam pressure outwardly, this inwall is according to the structure at the evaporimeter back side, such as according to the extensional of evaporimeter coiled pipe.Can again separate with inwall at the finisher injecting foam.

According to an embodiment, this distortion comprises the negative impression in the face towards inner wall area of evaporimeter.So-called " negative impression " is interpreted as a kind of structure in inner wall area, and it receives a structure in the face towards this inner wall area of evaporimeter.If the face towards this inner wall area of evaporimeter such as comprises a jut, then this negative impression is consisted of a recess, and it can hold this jut at least in part.

According to an embodiment, this distortion is a negative impression of jut, and such as one by evaporimeter coiled pipe or the negative impression of jut that formed by the coolant channel of evaporimeter.

According to an embodiment, this jut is by the coiled pipe of evaporimeter or form by coolant channel or by pressure welding (Rollbond) device.

According to an embodiment, this distortion comprises at least one recessed structure and/or a projection.This projection can be the negative impression of such as one intermediate space between adjacent each section of evaporimeter coiled pipe or between adjacent coolant channel.

Comprise multiple distortion according to an embodiment, this inner wall area, they form parallel passage, especially parallel vertical passage or parallel interconnection.This distortion can such as corresponding to the extension of evaporimeter coiled pipe or the extension of coolant channel.

According to an embodiment, this distortion being set so that when loading with air stream, on the direction in the face of this inner wall area, producing an airflow component to one of evaporimeter.The fan that this air stream can such as be arranged in inner space by means of one produces.But this air stream also can be heat flow.

According to an embodiment, this inner wall area comprises the extension spatially that is equal to or less than evaporimeter cross-sectional area.Like this, the air stream of local can advantageously be produced.

According to an embodiment, the distortion in this inner wall area corresponding to evaporimeter towards the distortion on the face of this inner wall area.In other words, the distortion in this inner wall area is the negative shape that evaporimeter is out of shape.This contributes to making this air stream point to evaporimeter at least in part.In addition, this makes it possible to manufacture this distortion simply especially, and or rather, the distortion on this evaporimeter is used as constructing the mould that this inner wall area is out of shape.

According to a scheme, the present invention relates to the manufacture of chiller.At this, this inwall of housing constructs recess.Guide way for fixing evaporimeter is arranged in this recess.This contributes to being fixed on housing by evaporimeter simply especially.

According to an embodiment, before or after guide way is placed in recess, evaporimeter is fixed on guide way.This contributes to installing evaporimeter simply especially.

According to an embodiment, this evaporimeter is placed in primary importance.Insulating foams is added after this inwall and foams.Then, this evaporimeter is placed in the second place, the distance in this position between evaporimeter and the inwall being applied with insulating foams after it is greater than the distance in primary importance.This contributes to manufacture chiller simply, all keeps because all in primary importance.In addition, this contributes to the high efficiency of chiller, because the efficiency of evaporimeter is than high in primary importance in the second place.

According to another embodiment, this evaporimeter remains in first and/or the second place by means of the guide way in recess.When guide way moves between the first and second positions, evaporimeter leads by guide way.This evaporimeter can be made so to be simply in first or the second place.

According to another embodiment, this evaporimeter by means of the external orientation device in inner space remain on this first and/or the second place on, and/or to be led by the guider of outside in evaporimeter motion between the first and second positions.The guider of this outside substantially do not comprise chiller after chiller manufacture at the assembly that the run duration according to regulation comprises in chiller.Can make simply like this this evaporimeter be in this first or this second place.Alternatively scheme, by the guiding by means of guide way and can be bonded to each other by means of the guiding of external orientation device.Such as, this guide way can lead this motion and keep this evaporimeter, and the guider of outside can make evaporimeter move.

Referring now to accompanying drawing, other embodiments are set forth.In accompanying drawing:

Fig. 1 is the embodiment of the chiller with evaporimeter;

Fig. 2 is the embodiment that evaporimeter is in the chiller in primary importance;

Fig. 3 is the embodiment that evaporimeter is in the chiller in the second place;

Fig. 4 is the embodiment that evaporimeter is in the chiller that the band in the second place has elastic component;

Fig. 5 is the embodiment that evaporimeter is in the chiller in the second place;

Fig. 6 is the embodiment that evaporimeter is in the chiller in primary importance;

Fig. 7 is the embodiment that evaporimeter is in the chiller in the second place; And

Fig. 8 is the embodiment according to Fig. 7 chiller with ventilation blower.

Identical structure or the element of function are all marked with identical reference number on all drawings.

Fig. 1 represents the partial view of a section by chiller 10.This chiller 10 is such as family expenses chiller, especially refrigerator.This chiller 10 has a housing 12, and this housing surrounds an inner space 14.An evaporimeter 16 is provided with in inner space 14.Evaporimeter 16 can with unshowned introducing and introduction pipe and be used for controlling or regulate the electric wire of evaporimeter 16 to be connected.

Inner space 14 is applicable to cool cooled article, such as food.Evaporimeter 16 absorbs the heat energy in inner space 14 and is transported away, so that by means of evaporimeter 16 cooled interior space 14.Cooling liquid moves in evaporimeter 16, and cooling liquid just evaporates at low temperatures, such as at the temperature of cooled article.With lower temperature and therefore if the coolant pump becoming gaseous state is walked, the mean kinetic energy of such whole system reduces, and this has same meaning with cooling.

Such as, evaporimeter 16 is configured to tubular evaparator, roll bond evaporator (Rollbond evaporimeter) or plate-type evaporator, especially with evaporimeter coiled pipe.Evaporimeter 16 is fixing on housing 12 by means of guider 21.This guider 21 keeps evaporimeter 16 and evaporimeter 16 can be moved, the distance between the inwall 19 that can be changed evaporimeter 16 and inner space 14 by this motion.

Guider 21 preferably includes one, two or more guide waies 22 and recess 24 related to this, and in the female portion, guide way 22 is directed to.Evaporimeter 16 is fixed on guide way 22 by means of fixture 20, and fixture 20 preferably flexibly constructs at least partly, such as, forms as rubber-like, to make the vibration of evaporimeter 16 not be delivered on housing 12.This makes noise in chiller 10 running very little.Guide way 22 is at least partially disposed in the recess 24 of housing 12.Such as, guide way 22 is configured to piston-like, and recess 24 is such as configured to cylinder shape.Guide way 22 can be directed in recess 2, especially in the axial direction with moving.Alternatively scheme, guider 21 can also differently construct.

Housing 12 has some backstops 26 configured to recess 24, and described backstop is such as configured to projection or shoulder and extend in radial directions in corresponding recess 24.Guide way 22 has the stop element 28 corresponding with backstop 26.Backstop 26 coordinates restricted guidance body 22 motion in the axial direction with stop element 28, and stops guide way 22 to skid off from recess 24 like this.

Fig. 1 represents that guider 21 is in and maximumly shifts out state.In other words, evaporimeter 16 and and its immediate inwall 19 between distance maximum or maximum substantially.Evaporimeter 16 is such as in when chiller 10 uses according to the rules the state of shifting out after the fabrication.This makes the air in inner space 14 flow around the both sides of evaporimeter 16, and this is conducive to the high efficiency of evaporimeter 16.

Fig. 2 illustrates that the chiller 10 with the evaporimeter 16 according to Fig. 1 is in insert state, and the distance in this insert state between evaporimeter 16 and inwall is less than the state of shifting out.Such as during chiller 10 manufactures, evaporimeter 16 is in insert state, and the distance wherein arriving inwall is minimum.

Fig. 3 represents that the chiller 10 with the evaporimeter 16 according to Fig. 1 is in the state of shifting out, and the distance wherein arriving inwall is maximum.

Fig. 4 represents an embodiment of the chiller 10 according to Fig. 1 to 3, comprises flexible member 34 at this guider 21.Flexible member 34 side is partly arranged in the recess of guide way 22, and opposite side is bearing on the bottom of recess 24.Flexible member 34 is by prestrain in this wise, and make a masterpiece be used on guide way 22, guide way 22 is pressed to its direction of shifting out state by this power, and this can make guider 21 that evaporimeter 16 is such as automatically placed in the state of shifting out.As substituting or supplementing flexible member 34, guide way 22 also can be made up of elastomeric material, such as rubber in whole or in part, and due to it self elasticity and/or be preloaded due to the flexible member 34 in recess 24.

Fig. 5 and 6 represents an alternative embodiment, and they are all consistent with the embodiment of Fig. 1 to 3 except the shape of evaporimeter 16 on 26S Proteasome Structure and Function.Contrary with the embodiment explained above, evaporimeter 16 has arched part 36 forward, and evaporimeter 16 is uneven on these forward arched part, and arches upward to inwall 19 direction.Arched part 36 can be such as by structures shape and be the tubular conduit of liquid circulation forward.Alternatively scheme, the air circulation that arched part 36 can be configured in internal volume 14 forward produces favorable influence, and this is referenced accompanying drawing 7 and 8 and explains below.

Fig. 7 represents the embodiment according to Fig. 6, and wherein evaporimeter 16 is in the state of shifting out, and wherein on inwall 19, forms a deformed region 32.This deformed region 32 has some recess 37, and these recess are corresponding to arched part 36 forward.Recess 37 such as inwall 19 below foamed insulation foam time produce, such as, recess 37 is configured as the negative impression of arched part 36 forward.

Fig. 8 represents the embodiment according to Fig. 7, wherein in inner space 14, is additionally provided with a ventilation blower 38, and it produces an air stream in inner space 14, especially air circulation.At this, air substantially flows at the first flow direction 40 with on the second flow direction 42 in inner space 14.On this first flow direction 40, air absorbs heat from cooled object product and is aspirated by ventilation blower 38.Air to flow through between evaporimeter 16 and inwall 19 and absorbed heat is passed to evaporimeter 16 and self is cooled thus on the second flow direction 42.

Following cooled air absorbs heat energy from cooled object product again.

Forward arched part 36 and therewith corresponding recess 37 impel this air on the second flow direction 42, be not straight line but turbulently flow through from evaporimeter 16 side.At this, stream is met with relatively large angle in a surface portion ground of evaporimeter 16, and this plays a part favourable to heat trnasfer.Such as, when air bumps against on evaporimeter 16 with right angle, described heat trnasfer is maximum; And when air and evaporimeter 16 flow through from evaporimeter 16 side abreast, heat trnasfer is minimum.

Reference marker table

Claims

1. chiller (10), with housing (12), this housing surrounds the inner space (14) of chiller (10), the evaporimeter (16) in inner space (14) is arranged on one, it is characterized in that, the inwall (19) of housing (12) constructs a recess (24), evaporimeter (16) is fixed on housing (12) by the guide way (22) be arranged in the recess (24) of inwall (19), wherein, recess (24) has backstop (26), guide way (22) has stop element (28), this backstop (26) and stop element (28) acting in conjunction in this wise, guide way (22) is restricted from the female portion (24) axially-movable out by stop element (28) backstop on backstop (26).

2. according to the chiller (10) of claim 1, it is characterized in that, guide way (22) can axially-movable in the female portion (24).

3. according to the chiller (10) any one of the claims, it is characterized in that, recess (24) has a closed inwall or to foam seal.

4. according to the chiller (10) of claim 1 or 2, it is characterized in that, in recess (24), be provided with a flexible member (34), to load the power of axis direction effect to guide way (22).

5. according to the chiller (10) of claim 1 or 2, it is characterized in that, guide way (22) is configured with elasticity at least in part.

6. according to the chiller (10) of claim 1 or 2, it is characterized in that, guide way (22) is arranged in recess (24) with being preloaded.

7. according to the chiller (10) of claim 1 or 2, it is characterized in that, a ventilation blower (38) is provided with, to produce the air stream at least flow through between evaporimeter (16) and inwall (19) in housing (12).

8. according to the chiller (10) of claim 1 or 2, it is characterized in that, evaporimeter (16) is plate-type evaporator, tubular evaparator or pressure welding evaporimeter.

9. according to the chiller (10) of claim 1 or 2, it is characterized in that, guide way (22) end face has the fixture (20) for fixing evaporimeter (16).

10. according to the chiller (10) of claim 1 or 2, it is characterized in that, the inner wall area towards evaporimeter (16) of described inwall (19) has at least one distortion (36,37).

11. according to the chiller (10) of claim 10, and it is characterized in that, described distortion (36,37) comprises the negative impression in the face towards this inner wall area of evaporimeter (16).

12. according to the chiller (10) of claim 10, and it is characterized in that, described distortion (36,37) is the negative impression of the jut (36) in the face towards inner wall area of evaporimeter (16).

13., according to the chiller (10) of claim 12, is characterized in that, jut (36) is consisted of the coiled pipe of evaporimeter (16) or coolant channel or press welding device.

14. according to the chiller (10) of the claims 10, and it is characterized in that, described distortion (36,37) comprises at least one recessed structure (37) and/or a projection (36).

15. according to the chiller (10) of claim 10, and it is characterized in that, inner wall area has multiple distortion (36,37), and they form multiple parallel passage.

16. according to the chiller (10) of above-listed claim 10, it is characterized in that, described distortion (36,37) being set, making the air flow component produced when loading with air stream towards the direction in the face towards inner wall area of evaporimeter (16).

17., according to the chiller (10) of above-listed claim 10, is characterized in that, inner wall area has a space being equal to or less than the cross-sectional area of evaporimeter (16) and extends.

18. according to the chiller (10) of claim 10, and it is characterized in that, inner wall area has multiple distortion (36,37), and their form multiple parallel vertical passage or parallel interconnection.

19., for the manufacture of the method for chiller (10), is characterized in that:

The inwall (19) of the housing (12) of chiller (10) there is the recess of backstop (26), and

The guide way (22) that one has stop element (28) is set in the recess (24) of inwall (19), for fixing evaporimeter (16), wherein, this backstop (26) and stop element (28) acting in conjunction in this wise, make guide way (22) be restricted on backstop (26) from the female portion (24) axially-movable out by stop element (28) backstop.

20., according to the method for claim 19, is characterized in that:

After settling guide way (22) in the female portion (24) or before, evaporimeter (16) is fixed on guide way (22).