CN207351000U - A kind of evaporator and refrigeration plant - Google Patents

Abstract

The utility model provides a kind of evaporator, and the evaporator includes heat exchanger tube, and the first end of the heat exchanger tube is connected with capillary, and the second end of the heat exchanger tube is equipped with extension section, the extension section and axis of bore to and connect and form return-air heat exchanging pipe.The utility model by setting extension section in the second end of heat exchange pipe of evaporator, extension section and axis of bore to and connect and form return-air heat exchanging pipe, realize backheat.Without special air-returning pipe component, reduce the solder joint on evaporator, greatly reduce leakage rate, reduce product rejection rate, and cost is low, good reliability.Operated in addition, whole process is realized without fire, it is easy to operate and safe.

Description

A kind of evaporator and refrigeration plant

Technical field

It the utility model is related to technical field of refrigeration equipment, and in particular to a kind of evaporator and refrigeration plant.

Background technology

To improve refrigerator product suction temperature, the generation of dew condensation phenomenon is reduced, and improves product efficiency, common product is all set It is equipped with return-air heat-exchanger rig.

As shown in Figure 1, being set for the Conventional vaporizer of current refrigerator, it is made of 1 bending of heat exchanger tube.As shown in Fig. 2, For the air-returning pipe component set in current refrigerator refrigeration system, wrapped by capillary 5 with muffler 2 using welding or aluminum foil and adhesive tape 3 The mode wrapped up in simultaneously is formed together.As shown in figure 3, air-returning pipe component is passed through connecting tube 4 and evaporator again in production process Second end welds together.

But there are following defect for the above method：There are multiple solder joints 6 on air-returning pipe component, and air-returning pipe component goes out with evaporator Mouth is welded, but it is intact to ensure that whole solder joints 6 weld；Further, since solder joint 6 is in refrigerator foaming layer, once leakage, Product must be scrapped, and can not repair, and cause the heavy economic losses that can not be retrieved.

Utility model content

(1) technical problems to be solved

The purpose of this utility model is to provide a kind of evaporator and refrigeration plant, to solve the refrigerant in existing evaporator The problem of easily leakage and product rejection rate are high, reduces cost.

(2) technical solution

In order to solve the above-mentioned technical problem, the utility model provides a kind of evaporator, and the evaporator includes heat exchanger tube, institute The first end for stating heat exchanger tube is connected with capillary, and the second end of the heat exchanger tube is equipped with extension section, the extension section and capillary Axial direction simultaneously connects composition return-air heat exchanging pipe.

Wherein, it is pasted with film coated aluminum foil on the outside of the extension section.

Wherein, the extension section for being pasted with film coated aluminum foil is wrapped with capillary by film coated aluminum foil.

Wherein, the first end and capillary weld of the heat exchanger tube.

Wherein, the heat exchanger tube is aluminum pipe.

Wherein, the capillary is copper pipe.

The utility model also provides a kind of refrigeration plant, including above-mentioned evaporator.

Wherein, the refrigeration plant is refrigerator or refrigerator-freezer.

(3) beneficial effect

Compared with prior art, the utility model has the following advantages that：

The utility model provides a kind of evaporator and refrigeration plant, and extension section is set in the second end of heat exchange pipe of evaporator, By extension section and axis of bore to and connect and form return-air heat exchanging pipe, realize backheat；Without special air-returning pipe component, reduce Solder joint on evaporator, greatly reduces leakage rate, reduces product rejection rate, and cost is low, good reliability.It is in addition, whole A process is realized to be operated without fire, easy to operate and safe.

Brief description of the drawings

, below will be to embodiment or existing in order to illustrate more clearly of the embodiment of the present disclosure or technical solution of the prior art There is attached drawing needed in technology description to be briefly described, it should be apparent that, drawings in the following description are only this Some disclosed embodiments, for those of ordinary skill in the art, without creative efforts, can be with Other attached drawings are obtained according to these figures.

Fig. 1 is a kind of structure diagram of the heat exchanger tube of evaporator in the prior art；

Fig. 2 is a kind of structure diagram of the product heat cal rod of evaporator in the prior art；

Fig. 3 is a kind of structure diagram of evaporator in the prior art；

Fig. 4 is a kind of structure diagram of evaporator in the utility model；

Fig. 5 is the structure diagram that capillary wraps up frock in the utility model；

Description of reference numerals

1- heat exchanger tubes；2- mufflers；3- aluminum foil and adhesive tapes；4- connecting tubes；5- capillaries；6- solder joints；The first of 7- heat exchanger tubes End；The second end of 8- heat exchanger tubes；9- film coated aluminum foils；10- Duct fixing clamps；11- slidably pipe clamps；12- litter.

Embodiment

With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below Example is used to illustrate the utility model, but is not intended to limit the scope of the present invention.

, it is necessary to which explanation, unless otherwise indicated, " multiple " are meant that two or two in the description of the utility model More than a；The instruction such as term " on ", " under ", "left", "right", " interior ", " outer ", " front end ", " rear end ", " head ", " afterbody " Orientation or position relationship are based on orientation shown in the drawings or position relationship, are for only for ease of description the utility model and simplification Description, rather than the device or element of instruction or hint meaning must have specific orientation, with specific azimuth configuration and behaviour Make, therefore it is not intended that limitation to the utility model.In addition, term " first ", " second ", " the 3rd " etc. are only used for describing Purpose, and it is not intended that instruction or hint relative importance.

, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in the description of the utility model Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly Connection；Can mechanically connect or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition Concrete meaning of the language in the utility model.

As shown in figure 4, the present embodiment provides a kind of evaporator, evaporator includes heat exchanger tube 1, the first end 7 of heat exchanger tube with Capillary 5 connects, and the second end 8 of heat exchanger tube, which is equipped with extension section, extension section and 5 axial direction of capillary and connects, forms return-air heat exchanger tube Road.

Further, film coated aluminum foil 9 is pasted with the outside of extension section, avoids 5 direct contact heat transfer pipe 1 of capillary that electricity occurs Position corrosion.

Further, the extension section for being pasted with film coated aluminum foil is wrapped with capillary 5 by film coated aluminum foil 9.

In the present embodiment, first end 7 and the capillary 5 of heat exchanger tube weld.

In the present embodiment, heat exchanger tube 1 is aluminum pipe；Capillary 5 is copper pipe.

Below by specific process, further details of explanation.

The second end more than 8 of heat exchanger tube is first laid out into one section of extension section, then extension section is placed on capillary as shown in Figure 5 Wrap up in frock.Duct fixing clamp 10 fixes the extension section of heat exchanger tube 1 with slidably pipe clamp 11；Motor drives slidably 11 edge of pipe clamp Litter 12 moves, and extension section is stretched, and one layer of film coated aluminum foil is then attached on extension section；Again by film coated aluminum foil 9 by capillary Pipe 5 is wrapped with extension section, makes capillary 5 with posting the extension section axial direction of film coated aluminum foil and connecing；After the completion of parcel, then to prolonging Stretch section and carry out bending, form the evaporator of finished product.

The present embodiment also provides a kind of refrigeration plant, including above-mentioned evaporator.Refrigeration plant is refrigerator or refrigerator-freezer.

The present embodiment provides a kind of evaporator and refrigeration plant, sets extension section in the second end of heat exchange pipe of evaporator, leads to Cross extension section and axis of bore to and connect and form return-air heat exchanging pipe, realize backheat；Without special air-returning pipe component, reduce Solder joint on evaporator, greatly reduces leakage rate and product rejection rate, and cost is low, good reliability.In addition, whole process is real Now operated without fire, it is easy to operate and safe.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on, should be included in the utility model Protection domain within.

Claims (8)

1. a kind of evaporator, the evaporator includes heat exchanger tube, and the first end of the heat exchanger tube is connected with capillary, its feature exists Be equipped with extension section in the second end of, the heat exchanger tube, the extension section and axis of bore to and connect and form return-air heat exchanging pipe.

2. evaporator according to claim 1, it is characterised in that be pasted with film coated aluminum foil on the outside of the extension section.

3. evaporator according to claim 2, it is characterised in that be pasted with the extension section and the capillary of film coated aluminum foil Wrapped by film coated aluminum foil.

4. evaporator according to claim 1, it is characterised in that the first end and capillary weld of the heat exchanger tube.

5. according to claim 1-4 any one of them evaporators, it is characterised in that the heat exchanger tube is aluminum pipe.

6. according to claim 1-4 any one of them evaporators, it is characterised in that the capillary is copper pipe.

7. a kind of refrigeration plant, it is characterised in that including claim 1-6 any one of them evaporators.

8. refrigeration plant according to claim 7, it is characterised in that the refrigeration plant is refrigerator or refrigerator-freezer.