CN101946146A

CN101946146A - Refrigeration device comprising a water tank

Info

Publication number: CN101946146A
Application number: CN2009801055314A
Authority: CN
Inventors: M·布赫施塔布; I·杜姆考; A·菲瑙尔; K·弗林纳; B·黑格尔; P·纳尔巴赫; K·亚赞; N·伦奇
Original assignee: BSH Bosch und Siemens Hausgeraete GmbH
Current assignee: BSH Hausgeraete GmbH
Priority date: 2008-02-19
Filing date: 2009-02-16
Publication date: 2011-01-12
Also published as: DE102008009788A1; WO2009103676A1; US20100326120A1; EP2242972A1; RU2010135808A

Abstract

The invention relates to a refrigeration device comprising a water tank (13) having at least one wall surface (23) and a bottom surface (24), and a flat heating system (33) arranged on the water tank and extending upwards from the bottom surface (24) of the water tank (13).

Description

The refrigerating plant that comprises water tank

Technical field

The present invention relates to comprise the refrigerating plant of water tank.Comprise that the refrigerating plant of this water tank such as refrigerator or refrigerator-freezer more and more are subjected to consumer's welcome, wherein said water tank provides the drinking water of cooling for the joint that is attached at the refrigerator outside.

Background technology

Water in this water tank must never freeze, and at first this is because the water expansion relevant with refrigerating process can damage water tank, and secondly this is because water can not take out from the water tank that freezes.Therefore, if inside can be cooled to temperature below 0 ℃, then water tank can not contact with the excessively tight calorifics in described inside.

Known refrigerating plant makes it outwards and towards inside all be surrounded by heat insulation layer by water tank is embedded in the refrigeration device housing wall, realize this requirement whereby as possible.The ratio of the thermal conductivity of these layers and internal temperature and environment temperature have been determined the residing temperature of object in the limit lower header.Yet the problem of Chu Xianing is an internal temperature and to also have environment temperature to a greater degree than this be to change here.Be designed for the refrigerating plant that uses in the temperate zone, when it uses, the water tank content can not be cooled to gratifying temperature in tropical environment.On the contrary, for providing the refrigerating plant with satisfactory temperature cold water to have such danger in tropical environment, that is, in the temperate zone, when especially using in the room of not heating, the water tank content will freeze.Therefore, this traditional refrigerating plant is can not the manufactured place identical for different climate zones.Being manufactured on the different model of water tank both sides upper thermal insulating layer thickness proportion can increase manufacturing expense, and if install and only can use also in restricted ambient temperature range and can bring very big restriction to the user.

In addition, the needs that make water tank and refrigerating plant internal insulation are meaned, if open joint make water flow out from water tank after fresh water flow out with environment temperature, cool off this fresh water so and will spend long time.

Summary of the invention

The object of the present invention is to provide a kind of refrigerating plant, it can use in the environment temperature of marked change.

This purpose realizes by a kind of refrigerating plant, the smooth heating system that described refrigerating plant comprises water tank and settles on described water tank, wherein said water tank has at least one sidewall and basal surface, basal surface to the small part that described smooth heating system is used to prevent that the water tank content is freezing and traverses water tank extends upward, and described smooth heating system contacts with described water tank heat conduction.By from the below heating water tank, guaranteed hot water in water tank efficient distribute and thereby isothermal distribute, thereby can prevent reliably that the water tank content is freezing.The basal surface of water tank advantageously contacts with the complete heat conduction of smooth heating system.

If embed water tank in the housing wall of refrigerating plant, then owing to the thickness that is restricted of housing wall, basal surface is little more a lot of than sidewall substantially.In order to ensure abundant heating, heating system is also advantageously traversed the sidewall extension and is contacted with its heat conduction.

The sidewall that is provided with heating system is preferably towards the outside of housing, make it can with the inside of refrigerating plant and with water tank and its content thermal insulation.

Second sidewall of water tank preferably adjoins hollow space, and described hollow space communicates with the cooled interior of refrigerating plant, thereby makes the content of water tank can access cooling efficiently if necessary.

For fixing heating system, water tank can be advantageously provided clamp mechanism.Thus, can avoid heating system is adhered on the water tank,, then exist in the danger that occurs bubble or fold between water tank and the heating system if this is enough not finish exactly because of bonding in this case.

If on two water tank surfaces that clamp between the protuberance are convexs, then can guarantee tight contact between flexible heating system and water tank surface in simple mode.

Description of drawings

To read following description to one exemplary embodiment with reference to the accompanying drawings to understand other features and advantages of the present invention better, wherein:

Fig. 1 shows the schematic cross sectional views by refrigerating plant of the present invention, and described refrigerating plant is included in the water tank of installing in the recess of door;

Fig. 2 shows the perspective view of water tank;

Fig. 3 shows the detailed cross sectional view of water tank; And

Fig. 4 shows second detailed cross sectional view of improving embodiment according to another.

The specific embodiment

Fig. 1 shows the schematic cross sectional views of refrigerating plant, and described refrigerating plant comprises according to water tank of the present invention.Shown refrigerating plant can be the refrigerator-freezer or the refrigerator-freezer part of modular appliance side by side.The wall of the inside 3 of the encirclement device of body 1 and door 2 is set to solid outer wall plate (skin) and inside panel respectively in known mode, described solid outer wall plate and inside panel sealing are by the resin expanded intermediate space of foam insulation.The inside panel 4 of door 2 is formed by plastics one deep-drawing and has extension 5, and described extension extend in inner 3 in the central area.Exterior panel comprises smooth basically front panel 6, and this front panel is shown here to cover and be cut to the center window by decorative panel 7; And square basically housing 8, described housing is offered forward and is formed by injection-moulding plastic, and described housing 8 engages and is full of the window of front panel 6 in the extension 5 of inside panel 4.The recess that two rod members 9 on the diapire of housing 8 and the roof will form in the inside of described housing is arranged to inner region 10 and the exterior domain of offering towards the device front side 11.By a panel 12 sealings, wherein said panel 12 inserts the housing 8 from the place ahead and seating rod member 9 basically for inner region 10.Water tank 13 holds in inner region 10.Pipeline 14 and/or 15 is connected to water tank 13 drinks the network of rivers on the one hand, is connected to the joint 16 in the exterior domain 11 of housing 8 on the other hand.

Hollow space 17 is between the rear wall of the rear portion of general square shape water tank 13 and housing 8.A plurality of passages 18 (wherein only having one can see in the cutaway view of Fig. 1) are connected to inner 3 with hollow space 17.Settle at least one in these passages 18 of control element (not shown in Figure 1) such as flap or fan, if the water temperature of the sensor senses by being attached to water tank 13 is enough low, then described control element can make the air circulation between hollow space 17 and inner 3 be limited to minimum; And/or if the water temperature in the water tank 13 is higher than desired value after new water flows in the water tank 13, then described control element allows or drives air circulation.

Automatic ice maker 19 and automatic ice maker 19 are provided with the storage container 20 that freezing ice cube is input to wherein in inner 3.The outlet opening of storage container 20 is above hoistway 21, and wherein said hoistway extends through the wall of door 2 and feeds in the housing 8 at the top of exterior domain 11.The container of settling in exterior domain 11 can be filled with from the cold water of water tank 13 and from the ice cube of storage container 20.

Fig. 2 shows the perspective view of the water tank of watching from the front side towards recess 11 of water tank 13.It is square that water tank 13 is designed to be essentially.Water tank consists essentially of smooth shell 22 and rear wall 28, and wherein said smooth hull shape becomes antetheca 23, basal surface 24, top 25 and the sidewall 26 of water tank 13, and described rear wall 28 is soldered to the packing ring 27 around described basal surface 24, top 25 and sidewall 26 of shell 22.Inlet connecting portion 29 and outlet connecting portion 30 stretch out from the top edge of antetheca 23.The bag of being made by plastic tab 31 is soldered to and exports one of them adjacent sidewall 26 of connector 30, described bag be arranged to hold insert from the top in order to detect the temperature sensor of the water temperature the water tank 1.

Sealed by the represented smooth weld part of Reference numeral 39 in Fig. 4 by between packing ring 27 and rear wall 28 of water tank 13.

By moulding, described support utilizes pressure to keep thin slice heating system 33 to abut against wall 23 on antetheca 23 for two supports 32.Major part and basal surface 24 that the thin slice heating system is traversed antetheca 23 extend, and near arrival packing ring 27, there, described thin slice heating system is held by additional support (not shown in this view).Because thin slice heating system 33 extends beyond upper bracket is connected the plane with the imagination between the lower carriage the lower limb that traverses of wall 23, described thin slice heating system 33 is retained its whole surface and closely contacts with shell 22.

In order can be easily to insert thin slice heating system 33 in the supports 32 and to keep this thin slice heating system continuously, the top edge of thin slice heating system 33 and lower limb be as being reeled around rigid rod type press strip 34 by means of the otch of the upper edge region by thin slice heating system 33 as described in the embodiment of Fig. 3.This press strip 34 inserts required rigidity in the support 32 for flexible flake heating system 33 provides, and provides continuous maintenance by means of the form fit connection.Simultaneously apply the tractive force that is directed upwards towards from wall 23 by the support 32 of press strip 34 resiliency supported in thin slice heating system 33, thus the surface that the thin slice heating system is held under the tension force effect and closely seating water tank 13.

Can realize the lower limb of thin slice heating system 33 and the anchoring of basal surface 24 by the support similar to support 32.Fig. 4 shows one type anchoring at remodeling aspect this.Here, the edge also distaff type press strip 34 of thin slice heating system 33 is reeled.Perimeter gasket 27 extend outwards of shell 22 have the web 36 at oblique angle, thereby occur receiving the groove 35 of press strip 34 before packing ring 27.Rear wall 28 is provided with peripheral web 37, and wherein said peripheral web support is from the every side-prominent of web 36 and the protuberance 38 of closed pockets 35 partly.Web 37 and protuberance 38 are used as a support together, and this support keeps press strip 34 and utilizes described press strip to keep the lower limb of thin slice heating system 33 in groove 35.

Can expect top edge with the thin slice heating system be anchored between the top 25 of water tank 13 and the rear wall 28, with respect in the symmetrical structure of mirror image shown in the figure.In this case, the section that extends across top 25 of thin slice heating system does not advantageously have heater, and this is because the heat that discharges on basal surface 24 and antetheca 23 obviously is passed to the content of water tank 13 more efficiently.

Claims

1. refrigerating plant, it comprises water tank (13) and the smooth heating system (33) that goes up setting at described water tank (13), wherein said water tank comprises at least one wall surface (23) and basal surface (24), it is characterized in that described heating system (33) goes up attached to described basal surface (24) at least in part extends.

2. refrigerating plant according to claim 1 is characterized in that, described heating system (33) covers described basal surface (24) fully.

3. refrigerating plant according to claim 1 and 2 is characterized in that, described water tank (13) embeds in the housing wall of described refrigerating plant, and described heating system (33) also goes up extension attached to described wall surface (23).

4. refrigerating plant according to claim 3 is characterized in that, the wall surface (23) of described water tank (13) is towards the outside of described housing.

5. according to claim 3 or 4 described refrigerating plants, it is characterized in that a hollow space (17) adjoins second wall surface (28) of described water tank (13), described hollow space is communicated with the cooled interior (3) of described refrigerating plant.

6. according to the refrigerating plant described in the claim 5, it is characterized in that described hollow space (17) is set to an air duct, the cold air of circulation can flow in the described air duct in described inside (3).

7. according to the arbitrary described refrigerating plant of aforementioned claim, it is characterized in that described water tank (13) supporting inserts and puts protuberance (32,38), described heating system (33) is fixed to the described protuberance that inserts and puts.

8. refrigerating plant according to claim 4 is characterized in that, described heating system (33) is flexible, and to insert and put between the protuberance (32,38) at two be convex on the surface of described water tank (13).