CN103299144A

CN103299144A - Refrigeration device

Info

Publication number: CN103299144A
Application number: CN2011800422402A
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: 2013-09-11
Anticipated expiration: 2031-08-15
Also published as: EP2612090B1; CN103299144B; WO2012028447A3; RU2013110120A; EP2612090A2; TR201904657T4; RU2537533C2; DE102010040073A1; WO2012028447A2; PL2612090T3

Abstract

A refrigeration device (10) comprises a housing (12) and an evaporator (16) arranged inside said housing (12). An interior wall (19) of the housing (12) has a recessed portion (24). The evaporator (16) is fastened to the housing (12) by means of a guide element (22) that is arranged in the recess (24) of the interior wall (19).

Description

Chiller

The present invention relates to the chiller field.

Refrigeration can be used compression refigerating machine in chiller, wherein utilizes the conversion of refrigerant states of matter from the liquid state to the gaseous state in order to freeze.Refrigerant moves in the refrigerant cycles loop and passes through compressor compresses that is compression.Compressed refrigerant is introduced into heat exchanger, especially condenser, also heat release condensation there.The pressure variation takes place, reduces pressure and is introduced into another heat exchanger, especially evaporimeter in the refrigerant of condensation under the situation of using choke valve, for example expansion valve.Refrigerant evaporates in evaporimeter, absorbs heat at low temperatures, and then is admitted to compressor.In addition, heat exchanger often adds air stream, and described air stream for example produces by means of ventilation blower.

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

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

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

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

This task solves 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, have the housing of the inner space of an encirclement chiller, and have an evaporimeter that is placed in the inner space.Constructed a recess at the inwall of housing.This evaporimeter is fixed on the housing by the guide way in this recess that is arranged on inwall.

Being arranged on guide way in this recess makes evaporimeter be arranged on the diverse location in the housing to become possibility.This evaporimeter especially can be positioned at during the chiller manufacturing on another position different with chiller run duration according to the rules after its manufacturing.There is air flow stream to cross around this makes for example in chiller run duration evaporimeter both sides according to the rules and becomes possibility.

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

According to an embodiment, this recess has the inwall of a sealing or is configured to foam seal.In other words, recess forms to such an extent that do not pass the mouth of wearing of inwall, makes that the insulating foams that is in the recess back cannot enter in the recess when housing was injected into the insulating foams foaming.

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 be restricted on backstop by stop element backstop in the axially-movable on the first direction in this recess.This causes this guide way to be maintained in the recess, and can not skid off from recess fully.

According to an embodiment, a flexible member is set, in order to guide way is applied one in the power of axis direction effect in the recess of inwall.This power is towards pressing guide way from the outside direction of recess.This causes evaporimeter to have only under below the situation being on this primary importance, and namely it is forced on the primary importance, perhaps is fixed on the primary importance, and for example owing to being fixed on the primary importance by locking, otherwise evaporimeter can move on the second place automatically.

According to an embodiment, this guide way is constructed with elasticity at least in part.This makes and can it be applied on the guide way from the power on the direction of recess release with one.It is to substituting or additional measure of flexible member is set in recess that guide way is constructed with elasticity.

According to an embodiment, this guide way is arranged in the recess with being preloaded so that in power on axis direction of guide way effect, this power with guide way for example from recess to extrapolation.

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

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

According to an embodiment, this guide way end face has a fixture that is used for keeping evaporimeter.This makes and can especially simply evaporimeter be fixed on the guide way.This fixture can be constructed to such an extent that have elasticity in this wise, and the vibration that makes evaporimeter occur in running can not be delivered on the housing.

According to an embodiment, the inner wall area towards evaporimeter of this inwall comprises at least one distressed structure.This inwall can for example constitute the border of this inner space at least in part and constitute an inner casing.The distressed structure of inner wall area causes being diverted at chiller running hollow air-flow air stream owing to for example local turbulent flow between evaporimeter and inwall, and point to evaporimeter at least in part, can improve heat exchange between inner space and the evaporimeter with this.The air-flow of local turbulent flow can be for example distortion by the inner wall area of the contiguous evaporimeter of an inwall of chiller reach.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 can and have at the evaporimeter back side like this and produces the shape of an adaptation evaporimeter and the therefore air stream of turbulent flow between the inner wall area of this distortion.So a kind of distortion of inwall can particularly advantageously produce when the space of the inwall that the insulating foams introducing is subjected to chiller and housing restriction.If when injecting frostproof froth n, the evaporimeter back side is pressed towards inwall, then because the outside foam pressure of pointing to, this inwall is according to the structure at the evaporimeter back side, for example according to the extensional of evaporimeter coiled pipe.Evaporimeter can separate with inwall again after injecting foam.

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

According to an embodiment, this distortion is a negative impression of jut, for example the negative impression of a jut that forms by the evaporimeter coiled pipe or by the coolant channel of evaporimeter.

According to an embodiment, this jut constitutes by the coiled pipe of evaporimeter or 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 for example one between adjacent each section of evaporimeter coiled pipe or the negative impression of the intermediate space between the adjacent coolant channel.

Comprise a plurality of distortion according to an embodiment, this inner wall area, they form parallel passage, especially parallel vertical passage or parallel interconnection.This distortion can be for example corresponding to the extension of evaporimeter coiled pipe or the extension of coolant channel.

According to an embodiment, this distortion is set so that when loading with air stream, on the direction of the face of this inner wall area, produce an airflow component to of evaporimeter.This air stream can for example produce by means of a fan that is arranged in the inner space.But this air stream also can be heat flow.

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

According to an embodiment, the distortion in this inner wall area is corresponding to the distortion on the face of this inner wall area of evaporimeter.In other words, the distortion on this inner wall area is the negative shape of being out of shape on the evaporimeter.This helps to make this air to flow to small part ground sensing evaporimeter.In addition, this makes can make this distortion especially simply, and or rather, the distortion on this evaporimeter is used as the mould that this inner wall area of structure is out of shape.

According to a scheme, the present invention relates to the manufacturing of chiller.At this, construct recess at this inwall of housing.Being used for fixedly, the guide way of evaporimeter is arranged on this recess.This helps especially simply evaporimeter to be fixed on the housing.

According to an embodiment, before or after being placed in guide way in the recess, evaporimeter is fixed on the guide way.This helps to install especially simply evaporimeter.

According to an embodiment, this evaporimeter is placed on the primary importance.Insulating foams is added this inwall back foaming.Then, this evaporimeter is placed the second place, evaporimeter and its back are applied with distance between the inwall of insulating foams greater than the distance in the primary importance in this position.This helps to make chiller simply, because all keep on primary importance.In addition, this helps the high efficiency of chiller, because high on primary importance at the efficient ratio of evaporimeter on the second place.

According to another embodiment, this evaporimeter by means of the guide way in the recess remain on first and/or the second place on.When guide way moved between first and second positions, evaporimeter was led by guide way.Can make simply like this this evaporimeter be in first or the second place on.

According to another embodiment, this evaporimeter by means of the external orientation device in the inner space remain on this first and/or the second place on, and/or in the motion of evaporimeter between first and second positions by the guider of outside guiding.This outside guider does not comprise the assembly that comprises in chiller at according to the rules run duration of chiller basically after the chiller manufacturing.Can make simply like this this evaporimeter be in this first or this second place.As its replacement scheme, can will be bonded to each other by means of the guiding of guide way with by means of the guiding of external orientation device.For example, can lead this motion and keep this evaporimeter of this guide way, and outside guider can make the evaporimeter motion.

Referring now to accompanying drawing other embodiment are set forth.In the accompanying drawing:

Fig. 1 is the embodiment that has the chiller of evaporimeter;

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

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

Fig. 4 is the embodiment that evaporimeter is in the chiller that has flexible member on the second place;

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

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

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

Fig. 8 is an embodiment according to Fig. 7 chiller who has ventilation blower.

The element of identical construction or function all is marked with identical reference number on institute's drawings attached.

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

Inner space 14 is applicable to cools off be cooled article, for example food.Evaporimeter 16 absorbs the heat energy in the inner spaces 14 and it is transported away, so that by means of evaporimeter 16 cooled interior spaces 14.Cooling liquid moves in evaporimeter 16, and cooling liquid is under the low temperature, for example be cooled and just evaporate under the temperature of article.If the coolant pump that becomes gaseous state is walked, the mean kinetic energy of whole system reduces like this, and this is with lower temperature and therefore have same meaning with cooling.

For example, evaporimeter 16 is configured to tubular evaparator, roll bond evaporator (Rollbond evaporimeter) or plate-type evaporator, especially has the evaporimeter coiled pipe.Evaporimeter 16 is fixed on the housing 12 by means of guider 21.This guider 21 keeps evaporimeters 16 also evaporimeter 16 can be moved, and can change the distance between the inwall 19 of evaporimeter 16 and inner space 14 by this motion.

The recess 24 that guider 21 preferably includes one, two or more guide waies 22 and is associated therewith, guide way 22 is directed in the female portion.Evaporimeter 16 is fixed on the guide way 22 by means of fixture 20, and fixture 20 preferred at least part of flexibly structures for example, constitute as rubber-like ground, in order to the vibration of evaporimeter 16 is not delivered on the housing 12.This makes that noise is very little in chiller 10 runnings.Guide way 22 is at least partially disposed in the recess 24 of housing 12.For example, guide way 22 is configured to piston-like, and recess 24 for example is configured to the cylinder shape.Guide way 22 can be in recess 2, especially the axis direction motion be directed to.As its replacement scheme, guider 21 can also differently be constructed.

Housing 12 has some backstops 26 of giving recess 24 configurations, and described backstop for example is configured to projection or shoulder shape and in extending into corresponding recess 24 in the radial direction.Guide way 22 has the stop element 28 corresponding with backstop 26.Backstop 26 and stop element 28 engagement limits guide way 22 motions in the axial direction, and stop guide way 22 from recess 24, to skid off like this.

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

Fig. 2 illustrates the chiller 10 that has according to the evaporimeter 16 of Fig. 1 and is in the insertion state, and the distance in this insertion state between evaporimeter 16 and the inwall is less than shifting out state.For example evaporimeter 16 is in the insertion state during chiller 10 is made, and the distance that wherein arrives inwall is minimum.

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

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

Fig. 5 and alternative embodiment of 6 expressions, they are all consistent with the embodiment of Fig. 1 to 3 except the shape of evaporimeter 16 on 26S Proteasome Structure and Function.Opposite with the embodiment that explains above, evaporimeter 16 has arched part 36 forward, evaporimeter 16 these forward arched part be uneven, and arch upward to inwall 19 directions.Forward arched part 36 can for example be by structures shape and be the tubular conduit that liquid circulation is used.As its replacement scheme, arched part 36 can be configured to the air circulation in the inner space 14 is produced favorable influence forward, 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 constitutes a deformed region 32 at inwall 19.This deformed region 32 has some recess 37, and these recess are corresponding to arched part 36 forward.Recess 37 for example produces when inwall 19 back foamed insulation foams, and for example, recess 37 is configured as the negative impression of arched part 36 forward.

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

Next cooled air absorbs heat energy from the article that are cooled again.

Forward arched part 36 and therewith corresponding recess 37 to impel this air be not that straight line but turbulent flow ground flow through from evaporimeter 16 next doors on second flow direction 42.At this, stream is met with big relatively angle in a surface portion ground of evaporimeter 16, and transmission plays a part favourable to heat for this.For example, when air bumped against on the evaporimeter 16 with the right angle, described heat transmission was maximum; And when air and evaporimeter 16 flow through from evaporimeter 16 next doors abreast, heat was transmitted minimum.

The reference marker table

Claims

1. chiller (10) has housing (12), and this housing surrounds the inner space (14) of chiller (10); Have an evaporimeter (16) that is arranged in the inner space (14), it is characterized in that, inwall (19) in housing (12) has been constructed a recess (24), and evaporimeter (16) is fixed on the housing (12) by the guide way (22) in the recess (24) that is arranged on inwall (19).

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. one chiller (10) is characterized in that in requiring according to aforesaid right, and recess (24) has the inwall of a sealing or to foam seal.

4. one chiller (10) in requiring according to aforesaid right, it is characterized in that, 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, the axially-movable that makes guide way (22) come out from the female portion (24) is gone up in backstop (26) by stop element (28) backstop and is restricted.

5. one chiller (10) is characterized in that in requiring according to aforesaid right, is provided with a flexible member (34) in recess (24), in order to guide way (22) is loaded the power of axis direction effect.

6. one chiller (10) is characterized in that guide way (22) is constructed with elasticity at least in part in requiring according to aforesaid right.

7. one chiller (10) is characterized in that guide way (22) is arranged in the recess (24) with being preloaded in requiring according to aforesaid right.

8. one chiller (10) is characterized in that in requiring according to aforesaid right, is provided with a ventilation blower (38) in housing (12), in order to produce air flowing stream between evaporimeter (16) and inwall (19) at least.

9. one chiller (10) is characterized in that evaporimeter (16) is plate-type evaporator, tubular evaparator or pressure welding evaporimeter in requiring according to aforesaid right.

10. according to one chiller (10) in the above-listed claim, it is characterized in that guide way (22) end face has for the fixing fixture (20) of evaporimeter (16).

11. according to one chiller (10) in the above-listed claim, it is characterized in that the inner wall area towards evaporimeter (16) of described inwall (18) (19) has at least one distortion (36,37).

12. the chiller (10) according to claim 11 is characterized in that, described distortion (36,37) comprises the negative impression towards the face of this inner wall area (19) of evaporimeter (16).

13. the chiller (10) according to claim 1 or 12 is characterized in that, described distortion (36,37) is the negative impression towards the jut (36) of the face of inner wall area (19) of evaporimeter (16).

14. the chiller (10) according to claim 11,12 or 13 is characterized in that, jut (36) is by coiled pipe or coolant channel or the Rollbond device formation of evaporimeter (16).

15. require in 11 to 14 one chiller (10) according to aforesaid right, it is characterized in that described distortion (36,27) comprises at least one recessed structure (37) and/or a projection (36).

16. according to one chiller (10) in the claim 11 to 15, it is characterized in that inner wall area (19) has a plurality of distortion (36,37), they form a plurality of parallel passages, especially parallel vertical passage or parallel interconnection.

17. according to one chiller (10) in the above-listed claim 11 to 16, it is characterized in that, described distortion (36,37) is set, makes when loading with air stream, to produce an air-flow component towards the direction of the face of inner wall area (19) towards evaporimeter (16).

18., it is characterized in that inner wall area (19) has a space that is equal to or less than the cross-sectional area of evaporimeter (16) and extends according to one chiller (10) in the above-listed claim 11 to 17.

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

Inwall (19) the structure recess of the housing (12) of chiller (10) and

In the recess (24) of inwall (19), a guide way (22) is set, is used for fixedly evaporimeter (16).

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

In the female portion (24), settle guide way (22) afterwards or before, evaporimeter (16) is fixed on the guide way (22).