CN2416457Y - Non-frost electric refrigerator - Google Patents

Abstract

The utility model relates to a frostless refrigerator, which comprises a refrigerating pipeline 1, an aluminum alloy base 2, and a cover plate 3 for an air duct of a freezing chamber, wherein, the refrigerating pipeline 1 is formed in the method that a D-shaped or an elliptical refrigerating pipeline is arranged on the front of the aluminum alloy base 2 in a horizontal-vertical combination way; the aluminum alloy base 2 is rectangle without an opening; an air supply channel is composed of the aluminum alloy base 2 and the cover plate 3 for an air duct of a freezing chamber. The refrigeration effect of the refrigerator is nearly the same as the existing finned evaporator, the volume of the evaporator is small, an air supply chamber is omitted, cold air is directly blown towards to the freezing chamber, and more space can be vacated to be used as the effective volume of the refrigerator; so the cost of the refrigerator is reduced, and the effective volume of the refrigerator is enlarged.

Description

Frost-free refrigerator-freezer

The utility model relates to Refrigeration Technique, specifically, relates to the improvement of evaporimeter in the frost-free refrigerator refrigerating plant, more particularly, relates to a kind of frostless (free-floride) refrigerator that adopts New Evaporator.

In present air-cooled frost-free refrigerator refrigerating chamber refrigeration and air channel structure, adopt finned or wire-and-tube evaporator mostly, be characterized in the manufacturing process complexity, cost is higher, bulky, the practical space that takies in the refrigerator is more, simultaneously, because adopt the fin heat exchange, refrigerating capacity is bigger, heat exchange efficiency is higher, fan air-supply is all adopted in each of refrigerator chamber, with fan the refrigerating capacity of evaporimeter is taken away, be sent to a specific wind chamber (its function is equivalent to an air volume distributor), in the wind chamber, have a plurality of windows or different air-supply passages, with the cold wind in the wind chamber be sent to different between the chamber, evaporimeter and wind chamber can be placed in now same position according to the structure of refrigerator, as refrigerating chamber, refrigerating chamber or cross between several the chambers is if the volume of a chamber is bigger, and a plurality of chambers are arranged, it is feasible and effective adopting this kind wind chamber air supply mode, and simultaneously, evaporimeter also can provide enough colds.Present frostless freon-free refrigerator on the market, cold-producing medium is based on R134a, having only a spot of refrigerator is that R600a is cold-producing medium (mainly being the frost-free refrigerator of Ke Long company), R134a freon-free refrigerator and former R12 have the main distinction of fluorine refrigerator to be that refrigeration system has certain change, as capillary, groundwater increment etc., R600a freon-free refrigerator and former R12 have the main distinction of fluorine refrigerator not only in refrigeration system certain change to be arranged, and whole electrical system must adopt explosion-proof specially treated, as fan electromotor, bulb, the defrost heating tube, and the electronic system in the casing all adopts explosion-proof processing, the cost of this mode is high slightly, and the security reliability of explosion-proof processing can not definitely guarantee.

The purpose of this utility model is to provide a kind of novel fridge, has preferably refrigeration and lower cost increases the refrigerator inside dischargeable capacity by reducing the evaporimeter volume simultaneously, thereby reduces the cost of refrigerator unit volume.Specifically, its refrigeration of refrigerator of the present utility model and present evaporator fin are suitable, and cost is cheap relatively, the evaporimeter volume is less simultaneously, cancelled wind pushing cavity, allowed cold wind directly blow to refrigerating chamber, done the use of refrigerator dischargeable capacity to vacate more space.Like this, both reduced the cost of refrigerator, increased the dischargeable capacity of refrigerator, the price of refrigerator unit volume is obviously descended.

The purpose of this utility model is achieved in that a kind of frostless floride-free refrigerator of structure, it is characterized in that comprising refrigeration piping (1), aluminium alloy base (2), refrigerating chamber air channel cover plate (3), refrigeration piping (1) adopt the D type or Type refrigeration piping and being on the front that horizontal and vertical combination is arranged in described aluminium alloy base (2), the reverse side of described aluminium alloy base (2) and described refrigerating chamber air channel cover plate (3) are formed air-supply passage.

Frost-free refrigerator-freezer of the present utility model is characterized in that, aluminum alloy fin (21) is arranged on the reverse side of described aluminium alloy base (2), and described aluminum alloy fin (21) is divided into continuously arranged three fence (22), (23), (24).

Frost-free refrigerator-freezer of the present utility model, it is characterized in that, have prominent around described refrigerating chamber air channel cover plate (3) is rectangular along (37), two wind-guiding division boards (31) are arranged above, refrigerating chamber air channel cover plate (3) is divided into three parts (32), (33), (34), and refrigerating chamber air channel cover plate (3) is provided with return air inlet (35) and air outlet (36).

Frost-free refrigerator-freezer of the present utility model is characterized in that, the return air inlet (35) on the described refrigerating chamber air channel cover plate (3) is grid shape with air outlet (36).

Frost-free refrigerator-freezer of the present utility model, it is characterized in that, after described refrigerating chamber air channel cover plate (3) and aluminium alloy base (2) are overlapped, wind-guiding division board (31) on the refrigerating chamber air channel cover plate (3) contacts with aluminium alloy base (2), aluminum alloy fin (21) contact on the aluminium alloy base (2), three part fence (22) on the aluminium alloy base (2), (23), (24) respectively with refrigerating chamber air channel cover plate (3) on three parts (32), (33), (34) corresponding, be separated into the sealing air-supply passage that is the " trend by two wind-guiding division boards (31).The operation principle of described air-supply passage is as follows: with electric motor fan cold air between refrigerating chamber air channel cover plate and the evaporimeter is extracted out, directly send and blow to refrigerating chamber, cold wind is from (24), (34) return air, flow to (23), (33) from (22), (32) gradually then, again to (24), (34), three parts are except the cold wind flow-guiding mouth connects, other parts are sealings mutually, the kind of refrigeration cycle that can allow cold wind in evaporimeter, carry out like this with evaporimeter, can utilize the evaporator evaporation area preferably, obtain sufficient heat exchange effect.

Frost-free refrigerator-freezer of the present utility model is characterized in that, described refrigeration piping (1) is built in the foaming layer of refrigerator.

Implement frost-free refrigerator-freezer of the present utility model, have the following advantages: 1) owing to adopt D type or type refrigerator pipes, the contact area of pipeline and evaporimeter is bigger, and heat conducting speed is very fast, loss of refrigeration capacity is less, makes that the operating efficiency of this frostless floride-free refrigerator is higher; 2) because refrigeration piping adopts the mode of laterally and vertically arranging and combining, make cold-producing medium in refrigeration piping, form laminar flow before this on the one hand, and then form turbulent flow, like this will be to improve evaporation efficiency; On the other hand, refrigeration piping is carried out to go in ring around fan electromotor and is arranged, can reduce the fan air-supply temperature effectively, improves the refrigerating speed of refrigerator; 3) the cold-producing medium trend adopts reverse flow with the flow direction of air channel apoplexy, is beneficial to the heat exchange of cold-producing medium and circulated air, and the raising refrigeration is followed efficient not; 4) refrigeration piping of novel frostless (free-floride) of the present utility model refrigerator is built in the foaming layer, and taking up room of evaporimeter reduced half approximately on the one hand, increased the dischargeable capacity of refrigerator widely; On the other hand, evaporation tube built-in, the in-box electric appliance element need not adopt explosive-proof protector, can save certain manufacturing cost; 5) air delivery duct in the utility model refrigerator is belt " several " word trend, and air delivery duct and tube-in-sheet evaporator cooperate, and can give full play to the efficient of evaporimeter, and the air-supply efficient in air channel is increased substantially.

Below, in conjunction with the accompanying drawings and embodiments, further specify characteristics of the present utility model, in the accompanying drawing:

Fig. 1 is the plate tubular construction front view of explanation novel frostless floride-free refrigerator of the present utility model;

Fig. 2 is the plate tubular construction rearview of explanation novel frostless floride-free refrigerator of the present utility model;

Fig. 3 is the air channel cover plate front view of explanation novel frostless floride-free refrigerator of the present utility model;

Fig. 4 be explanation novel frostless floride-free refrigerator of the present utility model refrigerating chamber air channel cover plate and the structural representation of aluminium alloy base after overlapped,

As shown in Figure 1, the plate tubular construction of novel frostless floride-free refrigerator of the present utility model, adopt the D type or Type (not shown) refrigeration piping (1), D type refrigeration piping adopt the mode that combines of laterally and vertically arranging to be fixed on the front of aluminium alloy base (2), and aluminium alloy base (2) is for lacking the rectangle of a mouth.

As shown in Figure 2, on the reverse side of the aluminium alloy base (2) of the frostless floride-free refrigerator of the utility model type many aluminum alloy fins (21) are arranged, be arranged in three part fence (22), (23), (24).

As shown in Figure 3, have prominent around the refrigerating chamber air channel cover plate (3) of novel frostless floride-free refrigerator of the present utility model is rectangular along (37), two wind-guiding division boards (31) are arranged above, refrigerating chamber air channel cover plate (3) is divided into three parts (32), (33), (34), a return air inlet 35 and air outlet (36) are arranged on the refrigerating chamber air channel cover plate (3).

As shown in Figure 4, after refrigerating chamber air channel cover plate (3) in the frostless floride-free refrigerator of the present utility model and aluminium alloy base (2) are overlapped, wind-guiding division board (31) on the refrigerating chamber air channel cover plate (3) contacts with aluminium alloy base (2), aluminum alloy fin (21) contact on the aluminium alloy base (2), three part fence (22) on the aluminium alloy base (2), (23), (24) respectively with refrigerating chamber air channel cover plate (3) on three parts (32), (33), (34) corresponding, be separated into the sealing air-supply passage that is the " trend by two wind-guiding division boards (31).

Claims (7)

1, a kind of frost-free refrigerator-freezer is characterized in that comprising refrigeration piping (1), aluminium alloy base (2), refrigerating chamber air channel cover plate (3), described refrigeration piping (1) adopt the D type or

Type refrigeration piping and being on the front that horizontal, vertical combination is arranged in described aluminium alloy base (2), described aluminium alloy base (2) is formed air-supply passage with described refrigerating chamber air channel cover plate (3).

2, frost-free refrigerator-freezer according to claim 1 is characterized in that, the reverse side of described aluminium alloy base (2) is provided with aluminum alloy fin (21), and described aluminum alloy fin (21) is divided into continuously arranged three fence (22), (23), (24).

3, frost-free refrigerator-freezer according to claim 1, it is characterized in that, have prominent around described refrigerating chamber air channel cover plate (3) is rectangular along (37), two wind-guiding division boards (31) are arranged above, refrigerating chamber air channel cover plate (3) is divided into three parts (32), (33), (34), and refrigerating chamber air channel cover plate (3) is provided with return air inlet (35) and air outlet (36).

4, frost-free refrigerator-freezer according to claim 3 is characterized in that, the return air inlet (35) on the described refrigerating chamber air channel cover plate (3) is grid shape with air outlet (36).

5, frost-free refrigerator-freezer according to claim described 2, it is characterized in that, after described refrigerating chamber air channel cover plate (3) and aluminium alloy base (2) are overlapped, wind-guiding division board (31) on the refrigerating chamber air channel cover plate (3) contacts with aluminium alloy base (2), aluminum alloy fin (21) contact on the aluminium alloy base (2), three part fence (22) on the aluminium alloy base (2), (23), (24) respectively with refrigerating chamber air channel cover plate (3) on three parts (32), (33), (34) corresponding, be separated into the sealing air-supply passage that is the " trend by two wind-guiding division boards (31).

According to any one described frost-free refrigerator-freezer among the claim 1-5, it is characterized in that 6, described refrigeration piping (1) is built in the foaming layer of refrigerator.

According to any one described frost-free refrigerator-freezer among the claim 1-5, it is characterized in that 7, described frost-free refrigerator-freezer can be floride-free refrigerator.

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