CN201145455Y

CN201145455Y - Series integral type refrigerator evaporator

Info

Publication number: CN201145455Y
Application number: CNU200720061198XU
Authority: CN
Inventors: 冯广平; 孔三江; 刘石岩; 张健
Original assignee: QINGTIAN COMPLETE EQUIPMENT ENGINEERING Co Ltd
Current assignee: QINGTIAN COMPLETE EQUIPMENT ENGINEERING Co Ltd
Priority date: 2007-12-10
Filing date: 2007-12-10
Publication date: 2008-11-05
Anticipated expiration: 2017-12-10

Abstract

The utility model discloses a series integral type refrigerator evaporator, which comprises a freezing chamber evaporator and a refrigerating chamber evaporator. The freezing chamber evaporator and the refrigerating chamber evaporator are integrated up and down, each evaporator is formed by a cooling plate and an evaporating pipeline used for refrigeration, the freezing chamber evaporator is connected with the refrigerating chamber evaporator through a handle of the refrigerating chamber evaporator, the cooling plate and the evaporating pipeline are respectively and independently arranged, the evaporating pipeline surrounds the cooling plate and is fixed on the cooling plate, the tail end of the evaporating pipeline positioned at the freezing chamber evaporator passes through the handle and becomes the front end of the evaporating pipeline on the refrigerating chamber evaporator, the front end of the evaporating pipeline on the freezing chamber evaporator is connected with a capillary tube, and the tail end of the evaporating pipeline on the refrigerating chamber evaporator is connected with a buffer liquid storage. The series integral type refrigerator evaporator decreases the performance requirement to the cooling plates, thereby greatly reducing cost, avoiding indentations of the cooling plates, improving the utilization rate of raw materials and further reducing additional cost, and also beautifying the appearance inside the chambers of the refrigerator at the same time.

Description

Series connection monoblock type evaporator of refrigerator

Technical field

The utility model relates to a kind of refrigerating plant of refrigerator, particularly relates to a kind of series connection monoblock type evaporator of refrigerator.

Background technology

The refrigerator refrigeration industry develops so far, and technical comparatively ripe, according to the requirement on structure and the performance, the version of its crucial refrigeration part evaporimeter also has multiple.In the prior art, the version of evaporimeter mainly contains band-tube type, threaded pipe type, propels the price of formula and finned etc.Wherein, the formula evaporimeter of propelling the price of is to adopt two blocks of thick aluminium sheets of 0.6mm to press together by propelling the price of to make, it can directly place between refrigerator indoor or as the inwall of chamber between refrigerator, because propelling the price of air indoor between formula evaporator surface and refrigerator directly contacts, therefore its heat exchanger effectiveness is higher, refrigerating speed to refrigerator is very fast, and indoor temperature requires lower refrigerator design to adopt often and propels the price of the formula evaporimeter between refrigerator.

But the shortcoming that propels the price of the formula evaporimeter is: because its processing technology is very special, tend to cause its cost higher.Specifically, at first, evaporimeter is higher to the performance requirement of raw material aluminium sheet, and propelling the price of needs spraying after the moulding again, and the average thickness of evaporimeter is 1.2mm, and raw materials consumption is very big like this; Secondly, when evaporimeter need divide timing in refrigeration and refrigerating chamber, because the continuity of evaporation tubes, evaporimeter also needs integral body to propel the price of moulding, and then carry out cutting processing to reach structural requirement, this just need increase a plurality of breach on evaporimeter, so just reduced raw-material utilization rate.And when refrigerator assembling and foaming, above-mentioned breach needs again to seal with sealing plate, has both made its appearance not attractive in appearance, needs to increase fringe cost again.In addition, the formula evaporimeter of propelling the price of is easy to damage and causes leakage, thereby causes refrigerator to be scrapped too early.

The utility model content

The purpose of this utility model is to provide the series connection monoblock type evaporator of refrigerator that a kind of manufacturing process is simple, cost is lower and service life is long.

The purpose of this utility model realizes by following technical scheme: a kind of series connection monoblock type evaporator of refrigerator, comprise freezer evaporator and refrigerator evaporator, the two is wholely set up and down, each evaporimeter is made of heat sink and the evaporation tubes that is used to freeze, it is characterized in that described freezer evaporator is coupled by the shank of refrigerator evaporator, the heat sink of described each evaporimeter and evaporation tubes independently are provided with separately, evaporation tubes centers on and is fixed on the heat sink, is positioned at the terminal first end that becomes evaporation tubes on the refrigerator evaporator through shank of evaporation tubes on the freezer evaporator; Evaporation tubes on the described freezer evaporator is just held the connection capillary, the terminal buffer reservoir that connects of the evaporation tubes on the described refrigerator evaporator.

The utility model adopts the separate type setting of heat sink and evaporation tubes, reduced performance requirement to heat sink, make the utility model can adopt ordinary aluminum plate or exempt to spray Figured aluminium plate, and sheet metal thickness can be reduced to 0.5mm, and can only use lamina, thereby greatly reduce cost; The utility model is carrying out the branch timing of refrigerating chamber and refrigerating chamber, by evaporation tubes freezer evaporator and refrigerator evaporator are in series and realize, avoided on heat sink, offering breach, improved raw-material utilization rate, and do not had to need not to seal after the breach yet, and then reduced fringe cost, also beautified the indoor outward appearance of refrigerator simultaneously.

The utility model can be done following improvement: the cross section of described evaporation tubes is for oval, and oval-shaped evaporation tubes is fixed on the heat sink, can increase itself and the contact area of heat sink effectively, the raising refrigerating efficiency.

Described freezer evaporator is " U " shape, and opening is in refrigerating chamber.This is the shape behind the refrigerating evaporator installation forming, and this kind shape has increased the refrigeration area of refrigerating chamber, has strengthened refrigeration.

Described heat sink is an aluminium sheet, and described evaporation tubes is an aluminum pipe.

The utility model can also be done following improvement: described buffer reservoir is spiral pipeline, and the one end connects the evaporation tubes end on the refrigeration evaporator, and the other end connects muffler.Spiral pipe is the substitute of buffer reservoir in the prior art, and its manufacturing process is simple, and can realize the oil in the buffer compression machine and the effect of cold-producing medium well.

Compared with prior art, the utlity model has following significant effect:

1, the utility model has improved its anti-extrusion ability greatly, and buckling performance also is higher than the formula evaporimeter that propels the price of of the prior art.

2, the heat sink that propels the price of the formula evaporimeter of the prior art is exactly the evaporation tubes wall, when food contact evaporation plate or artificially clear up accumulated ice on the heat sink and during foul, may cause direct corrosion or destruction to evaporation tubes.What directly contact is heat sink and the utility model and refrigerator are indoor, divides the evaporation tubes that is arranged can access good protection with it, thereby has guaranteed service property (quality), and reduced the scrappage of refrigerator, has prolonged its service life.

3, the utility model manufacture craft is simple, employing be the manufacture craft of traditional plate pipe evaporator, realize easily technically, simple to the requirement of equipment, and cost of manufacture is lower.

Description of drawings

The utility model is described in further detail below in conjunction with the drawings and specific embodiments.

Fig. 1 is a structural representation of the present utility model;

Fig. 2 carries out bonding generalized section for the utility model heat sink and evaporation tubes.

The specific embodiment

As shown in Figures 1 and 2, the utility model series connection monoblock type evaporator of refrigerator, be divided into freezer evaporator 1 and refrigerator evaporator 2, the two is arranged at respectively up and down in the refrigerating chamber and refrigerating chamber of refrigerator, comprise heat sink 3 and evaporation tubes 4, heat sink 3 is an aluminium sheet, evaporation tubes 4 is an aluminum pipe, the two independently is provided with, the cross section ovalize of evaporation tubes 4, and it is snakelike shape and sticks on the heat sink 3, reduced performance requirement thus to heat sink 3, and sheet metal thickness can be reduced to 0.5mm, and can only use lamina, thereby greatly reduces cost of manufacture; Refrigerator evaporator 2 is square, and its upper end has a shank 5, and itself and refrigerator evaporator 2 are an integral manufacturing, perhaps make shank 5 separately, then itself and refrigerator evaporator 2 are welded as a whole.Freezer evaporator 1 is " U " shape, its opening is in refrigerating chamber, freezer evaporator 1 is welded on the shank 5 by its knee, lower end and links to each other with refrigerator evaporator 2, realize that with this freezer evaporator 1 and refrigerator evaporator 2 are in series, avoided on heat sink 3, offering breach, improved raw-material utilization rate.The evaporation tubes 4 terminal first ends that become evaporation tubes 4 on the refrigerator evaporator 2 through shank 5 on the freezer evaporator 1, evaporation tubes 4 on the freezer evaporator 1 just end is welded in capillary 6, the evaporation tubes 4 terminal buffer reservoir 7 that connect on the refrigerator evaporator 2.

Buffer reservoir 7 is spiral pipeline, and the one end connects evaporation tubes 4 ends on the refrigeration evaporator 2, and the other end connects muffler 8.

Above-mentioned buffer reservoir 7, evaporation tubes 4 and muffler 8 are same aluminum pipe, and the centre does not have welding junction, wherein, and the cross section ovalize of evaporation tubes 4, and buffer reservoir 7 and muffler 8 are pipe.Constituting of buffer reservoir 7: evaporation tubes 4 ends on the refrigerator evaporator 2 become pipe, and with the diameter coiling 3-4 circle of 90mm, its profile is similar to spring, and then draws then, and the aluminum pipe of drawing is a muffler 8.

In transportation, freezer evaporator 1 and refrigerator evaporator 2 are tabular, and the two welds together by shank 5, when assembling, freezer evaporator 1 bending are got final product for " U " type, use more convenient.

The utility model is identical with the operation principle of general evaporator of refrigerator.Refrigerant becomes the gas of HTHP by compressor compresses, through the condenser cooling, become the cryogenic high pressure liquid mixture of a small amount of gas (or and), reduce pressure by capillary-compensated then, become low-temp low-pressure liquid, evaporation heat absorption in evaporation tubes, become low-temp low-pressure gas, to there be the small amount of residual thing to stay in buffer reservoir 7 during this time, realize the oil in the buffer compression machine and the effect of cold-producing medium with this, then low-temp low-pressure gas cooled via return air pipe 8 is got back to compressor, so just finishes a working cycles.

Manufacture craft of the present utility model is compared to that to propel the price of the formula evaporimeter more simple, it adopts is the manufacture craft of traditional plate pipe evaporator, when making, post the aluminum pipe of hot melt adhesive film 9 by the heating pressurization with pressing to oval cross section and single face, the aluminium sheet that posts hot melt adhesive film 9 equally with single face holds tightly together and gets final product (referring to Fig. 2), this technology realizes easily that technically low for equipment requirements, cost of manufacture is lower.

Claims

1, a kind of series connection monoblock type evaporator of refrigerator, comprise freezer evaporator and refrigerator evaporator, the two is wholely set up and down, each evaporimeter is made of heat sink and the evaporation tubes that is used to freeze, it is characterized in that: described freezer evaporator is coupled by the shank of refrigerator evaporator, described heat sink and evaporation tubes independently are provided with separately, evaporation tubes centers on and is fixed on the heat sink, is positioned at the terminal first end that becomes evaporation tubes on the refrigerator evaporator through shank of evaporation tubes on the freezer evaporator; Evaporation tubes on the described freezer evaporator is just held the connection capillary, the terminal buffer reservoir that connects of the evaporation tubes on the described refrigerator evaporator.

2, evaporator of refrigerator according to claim 1 is characterized in that: the cross section of described evaporation tubes is for oval.

3, evaporator of refrigerator according to claim 1 is characterized in that: described freezer evaporator is " U " shape, and opening is in refrigerating chamber.

4, evaporator of refrigerator according to claim 1 is characterized in that: described heat sink is an aluminium sheet, and described evaporation tubes is an aluminum pipe.

5, evaporator of refrigerator according to claim 1 is characterized in that: described buffer reservoir is spiral pipeline, and the one end connects the evaporation tubes end on the refrigeration evaporator, and the other end connects muffler.