CN101263352A - No-frost cooling device - Google Patents

No-frost cooling device Download PDF

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Publication number
CN101263352A
CN101263352A CNA2006800334805A CN200680033480A CN101263352A CN 101263352 A CN101263352 A CN 101263352A CN A2006800334805 A CNA2006800334805 A CN A2006800334805A CN 200680033480 A CN200680033480 A CN 200680033480A CN 101263352 A CN101263352 A CN 101263352A
Authority
CN
China
Prior art keywords
cooling device
tubular type
ridge
type heater
pipe bend
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CNA2006800334805A
Other languages
Chinese (zh)
Inventor
M·马利希
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BSH Hausgeraete GmbH
Original Assignee
BSH Bosch und Siemens Hausgeraete GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Publication of CN101263352A publication Critical patent/CN101263352A/en
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/40—Heating elements having the shape of rods or tubes
    • H05B3/42—Heating elements having the shape of rods or tubes non-flexible
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
    • F25D21/06—Removing frost
    • F25D21/08—Removing frost by electric heating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/006—General constructional features for mounting refrigerating machinery components
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
    • F25D2317/065—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the air return
    • F25D2317/0655—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the air return through the top
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
    • F25D2317/066—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the air supply
    • F25D2317/0665—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the air supply from the top
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
    • F25D2317/068—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the fans
    • F25D2317/0683—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the fans the fans not of the axial type

Abstract

The invention relates to an evaporator unit for a no-frost cooling device which comprises an evaporator (8), a tubular heating device (20) and a housing (7) which surrounds the evaporator (20) and the tubular heating device (8). Said tubular heating device (20) comprises a plurality of parallel tubular sections (21) which are connected together in such a manner that they form a single piece. Two parallel tubular sections (21) which are directly adjacent to each other are located at the beginning and at the end of the tubular heating device (20).

Description

No-frost cooling device
Technical field
The present invention relates to a kind of no-frost cooling device.This subassembly comprises carriage traditionally, accommodates evaporimeter and heater on the carriage.This subassembly is installed in the refrigerating space near the cooling device at top, limiting chamber, and is connected with refrigerating space or a plurality of refrigerating space by forced ventilation system.When forced ventilation was closed, the evaporator room that is separated with refrigerating space allowed evaporimeter to heat by means of heater, to remove the ice that is condensed on the evaporimeter in the process of cooling device operation.
Background technology
The heater subassembly of known this type is embodied in the tubular type heater, that is to say that with the form of pipe, what hold in the pipe is weak electric conductor, switches on weak electric conductor and can heat it.The pipe of known tubular type heater is arranged on the heat-conducting plate with zigzag, that is to say, it has a plurality of parallel portion, and two adjacent parts are connected by bend pipe among each parallel portion in each case.This means the top and the terminal opposite side that is positioned at heat-conducting plate of pipe.In order to couple a wire to the two ends of pipe, and it is drawn in slave body together, one of them wire must be arranged through certain distance, this distance is roughly corresponding to the length that the edge enters body and fixes of heat-conducting plate, after this made the tubular type heater be installed in the body, it was necessary carrying out other operation.
Summary of the invention
Target of the present invention is to describe the no-frost cooling device that has the evaporimeter subassembly in detail, can omit for this step of this subassembly.
The fact of the present invention is that the top and the terminal parallel pipe that is positioned at two direct neighbors of tubular type heater partly located, and makes the power lead that is connected thereto draw evaporator room on short path, and this does not just require that electric wire is fixed on the supporting member individually.
For the top of tubular type heater and end are placed on the parallel pipe part, the two parallel pipes part that is positioned on the opposite side of tubular type heater is preferably directly connected by pipe bend.
In first embodiment, this pipe bend and parallel pipe part are extended in same plane.In such cases, pipe bend can be placed on below the evaporimeter accurately as the parallel pipe part, and can be from following heating fumigators.
According to second embodiment, pipe bend extends in the outside on parallel pipe part plane, preferably extends along the positive of evaporimeter or across the pervaporation device.
In order to simplify the installation of tubular type heater, preferably it is fixed on the height place that parallel pipe partly is connected to the pipe bend of the ridge on the carriage.This fixing carriage of the redundance of traditional conducting strip that especially can make as the tubular type heater.
Ridge preferably includes at least one first ridge, first ridge contacts with the outside of elbow core, and second ridge, the transition position of second ridge between elbow and the parallel pipe part that is connected thereto contacts with the inboard at elbow two ends.Second ridge also can be divided into two independent ridges, and each contacts with an end of elbow.
For the tubular type heater is fixed on the carriage, first ridge preferably forms the hook around elbow.
Description of drawings
With reference to institute's accompanying drawing, the present invention further feature and advantage displays from the description for exemplary embodiment given below.Accompanying drawing shows:
Fig. 1 is by the schematic cross sectional view according to the upper area of no-frost cooling device of the present invention;
Fig. 2 is the view as desired tubular type heater in first embodiment of the invention;
Fig. 3 is as the perspective view of desired tubular type heater in a second embodiment;
Fig. 4 is mounted in the tubular type heater among Fig. 2 on the carriage;
Fig. 5 is the detailed view that illustrates as the assembly of desired tubular type heater in revising embodiment; And
Fig. 6 is the profile of details among Fig. 5.
The specific embodiment
Fig. 1 shows the schematic cross sectional view by no-frost cooling device upper area of the present invention.Cooling device has body 1 and door 2, and above-mentioned body 1 and door 2 all are provided with in a conventional manner, fill with heat-insulating foam layer 3 in the body of hollow.The inside of body 1 is divided into evaporator room 5 and refrigerating chamber 6 with same adiabatic partition wall 4.Partition wall 4 is formed by the bottom of the carriage 7 that is used for the evaporimeter subassembly, and known laminar evaporimeter 8 itself is installed on the carriage 7.Carriage 7 is installed in apart from a distance, body 1 top, and lumps together with the sidewall structures of body 1, thereby defines evaporator room 5.Carriage 7 also has at its inlet channel 9 on door 2 one sides, and in its exhaust passage 10 on rear wall one side 16 of body 1.In the Background Region of evaporator room 5, the back of the exhaust passage 10 on the carriage 7 accommodates the ventilation blower 11 that has blower fan wind wheel 12 and motor 13, and ventilation blower 11 is extracted air out from evaporator room 5, and it is sent into air duct 14.
With in the profile shown in the mode of example, air duct 14 only extends through partition wall 4, and the refrigerating chamber under being arranged in it 6 exposes among Fig. 1.Air duct 14 optionally can also be arranged in the rear wall of body 1, and is provided with many passages that are communicated to refrigerating chamber 6, and the cold air in the air duct is uniformly distributed on the whole height of refrigerating chamber 6 via these passages.In addition, in air duct 14, valve can also be set, be used for the cold air of upstream is flowed through by different air duct branches, one of them of a plurality of compartments of the cooling device that preferably leads, for example: refrigerating chamber 6 and the refrigerating chamber that does not illustrate in the drawings.
Fig. 2 shows the perspective view of the tubular type heater 20 on the carriage 7 that is contained under the evaporimeter 8.Tubular type heater 20 comprise a plurality of parallel linear tube part 21a, 21b, 21c ..., except the pipe 21a of a left side, rear portion, each linear tube part is connected to direct neighbor part 21 by pipe bend 22.Tube portion 21a is connected to anterior right hand linear segment 21r, the whole width of pipe bend 23 extend through tubular type heaters 20 by the pipe bend 23 of elongation.The top of tubular type heater 20 and end are located to such an extent that be close to parallel portion 21a, b, make power lead 24 to connect with the shortest path from evaporator room 5.Represented evaporimeter 8 with the cube of dotted lines on the tubular type heater 20.Evaporimeter 8 can for example be known laminar evaporimeter itself, at this its details is not shown, and evaporimeter 8 is furnished with laminated construction, and laminated construction is parallel to tube portion 21 or forms the right angle with tube portion 21.
Fig. 3 shows the modification embodiment of tubular type heater 20, and wherein Shen Chang pipe bend 23 is set the plane of leaving tube portion 21, and extends towards the front of a side of exhaust outlet 10 at evaporimeter 8.
Fig. 4 shows the perspective view of the tubular type heater 20 among the Fig. 2 that is installed on the carriage 7.Tube portion 21 is positioned on the base plate 25 of carriage 7, and it slopes down to edge 27 slightly from the antetheca 26 around air inlet 9.After edge 27 steeper sloping portion 28 and raceway groove 29, wherein-since its evaporation water of having represented the minimum zone of base plate 25-therefore come from evaporimeter 8 collect at this, and, arrive self known vaporizer by 30 outflows of the opening in the raceway groove base plate, be not described at this.Each pipe bend 22 towards carriage 7 rear portions 16 is fixed on the base plate 25 by ternary column bolt 31, wherein a column bolt in the outside of pipe bend contacts with the summit of elbow 22 in all cases, and two other column bolt contacts with elbow inboard to the transitional region of linear tube part 21.The position of each pipe bend 22 in horizontal plane is accurately limited by three column bolts.
Four fork-shaped supporting members 32 that setting is stretched out from base plate 25 are to be connected to evaporimeter 8, and wherein the coolant hose of evaporimeter is inserted in the fork of supporting member 32, and lock advances broad (widened-out) part of fork.
Fig. 5 shows the detailed view according to the bottom of the carriage 7 in 27 zones, edge of embodiment, it is compared slightly with embodiment shown in Figure 4 and revises, in this embodiment, replaced by tapered broad ridge 33 with pipe bend 22 inboard contacted two column bolts 31 towards the top, has recess 34 with the contacted column bolt 31 in the summit of pipe bend 22, pipe bend 22 joins in the recess 34, can better see in this section in Fig. 6.As among Fig. 5,6 respectively by shown in the dotted line, its pipe bend 22 by at first will being close to rear side in the vertical direction location, is assembled tubular type heater 20 on the part 28 of base plate 25.In such cases, it is unessential that pipe bend 22 accurately is placed to symmetry with respect to column bolt 31 and ridge 33; The linear tube part 21 that is connected to pipe bend 22 is only just enough on the not homonymy at ridge 33 tops.If tubular type heater 20 is pivoted to against base plate 25 in the position of being described by solid line, pipe bend self centering on ridge 33 automatically, thus its summit reaches the recess 34 that accurately is arranged in column bolt 31.
Recess 34 means that column bolt 31 has played the function of hook, and it has stoped pipe bend 22 to break away from from part 28.Broad ridge 33 has stoped pipe bend to slide into left side among Fig. 6, makes pipe bend not break away from from recess 33, and therefore, tubular type heater 20 is locked securely.
Preceding pipe bend 22 towards air inlet 9 can be locked on the base plate 25 by being similar to column bolt 31 shown in Fig. 5 and 6 and ridge 33, but ridge with these latter, the recess that the summit of pipe bend engages into must be very flat, makes it possible to the orientation of level that pipe bend 22 ' between column bolt and the ridge is pressed into.
As the result of the different gradient base plates 25 in 27 front and back, edge, the tubular type heater 20 after the assembling has born bending stress, and this bending stress has stoped the click of the tubular type heater that the vibration that produced in the cooling device running causes to ring.

Claims (7)

1. no-frost cooling device, have evaporimeter (8), tubular type heater (20) and carriage (7), described carriage (7) carries described evaporimeter (8) and described tubular type heater (20), and described tubular type heater (20) comprises the parallel pipe part (21 of the vicinity of a plurality of monolithics; 21a-21r), it is characterized in that: (21a 21b) locates for the top of described tubular type heater (20) and the terminal parallel pipe part that is positioned at two direct neighbors.
2. no-frost cooling device as claimed in claim 1 is characterized in that: (21a 21r) directly connects by pipe bend (23) two parallel pipe parts on described tubular type heater opposite side.
3. no-frost cooling device as claimed in claim 2 is characterized in that: described pipe bend (23) with described parallel pipe part (21; 21a-21r) extend in the identical plane.
4. no-frost cooling device as claimed in claim 2 is characterized in that: described pipe bend (23) is in described parallel pipe part (21; Plane 21a-21r) is outside extends.
5. the described no-frost cooling device of one of claim as described above, it is characterized in that: described tubular type heater (20) is fixed on described parallel pipe part (21; 21a-21r) be connected to the height place of the pipe bend (22) on the ridge (31,32) of shell (7).
6. no-frost cooling device as claimed in claim 5, it is characterized in that: described ridge (31,32) comprise at least one first ridge (31) and second ridge (31,32), described first ridge contacts with the outside of the core of described pipe bend (22), and described second ridge contacts with the inboard at the place, two ends of pipe bend (22).
7. no-frost cooling device as claimed in claim 6 is characterized in that: described first ridge (31) forms the hook around described pipe bend (22).
CNA2006800334805A 2005-09-12 2006-09-08 No-frost cooling device Pending CN101263352A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202005014373U DE202005014373U1 (en) 2005-09-12 2005-09-12 No-frost refrigerating appliance
DE202005014373.1 2005-09-12

Publications (1)

Publication Number Publication Date
CN101263352A true CN101263352A (en) 2008-09-10

Family

ID=35613246

Family Applications (1)

Application Number Title Priority Date Filing Date
CNA2006800334805A Pending CN101263352A (en) 2005-09-12 2006-09-08 No-frost cooling device

Country Status (6)

Country Link
US (1) US20090133427A1 (en)
EP (1) EP1929218A2 (en)
CN (1) CN101263352A (en)
DE (1) DE202005014373U1 (en)
RU (1) RU2411429C2 (en)
WO (1) WO2007031470A2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103353203A (en) * 2013-05-31 2013-10-16 镇江天信电器有限公司 Improved mounting structure of defrosting heater
CN105229396B (en) * 2013-03-18 2017-03-15 Bsh家用电器有限公司 Refrigerating appliance and its air distributor valve

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DE102006015994A1 (en) * 2006-04-05 2007-10-11 BSH Bosch und Siemens Hausgeräte GmbH Refrigerating appliance with defrost heating
ITVA20070010U1 (en) * 2007-02-16 2008-08-17 Whirlpool Co NO-FROST REFRIGERATOR
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EP2324305B1 (en) * 2008-07-07 2017-09-20 Arçelik Anonim Sirketi An evaporator
CN101749910B (en) * 2008-12-08 2012-02-08 博西华家用电器有限公司 Refrigerator
DE102009052048A1 (en) * 2009-11-05 2011-05-12 Liebherr-Hausgeräte Ochsenhausen GmbH Evaporator for refrigerating and/or freezing device, has defrost heater installed at evaporator by retainer, which is connected with evaporator and/or defrost heater by toolless connection i.e. plug connection
KR101103031B1 (en) * 2010-07-13 2012-01-05 강연균 Storage refrigerator for chemical reagents
DE102011006248A1 (en) 2011-03-28 2012-10-04 BSH Bosch und Siemens Hausgeräte GmbH Refrigeration device with a heater
DE102011006862A1 (en) 2011-04-06 2012-10-11 BSH Bosch und Siemens Hausgeräte GmbH Evaporator assembly for a refrigeration device
JP6636699B2 (en) * 2015-02-06 2020-01-29 ホシザキ株式会社 Cooling storage
DE102018201786A1 (en) * 2018-02-06 2019-08-08 BSH Hausgeräte GmbH Refrigeration unit with evaporation tray

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105229396B (en) * 2013-03-18 2017-03-15 Bsh家用电器有限公司 Refrigerating appliance and its air distributor valve
CN103353203A (en) * 2013-05-31 2013-10-16 镇江天信电器有限公司 Improved mounting structure of defrosting heater

Also Published As

Publication number Publication date
DE202005014373U1 (en) 2006-01-05
US20090133427A1 (en) 2009-05-28
WO2007031470A2 (en) 2007-03-22
RU2008109817A (en) 2009-10-20
EP1929218A2 (en) 2008-06-11
RU2411429C2 (en) 2011-02-10
WO2007031470A3 (en) 2007-05-03

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Application publication date: 20080910