Evaporator with high refrigeration efficiency

Abstract

The utility model provides an evaporator with high refrigeration efficiency, which comprises a shell and an inner container sleeved in the shell, the outer wall of the inner container protrudes outwards to form a spiral guide part, and a spiral flow channel is formed between the outer wall of the inner container and the guide part. The inner container is fixed and sealed by welding the outer end face of the guiding part and the inner wall of the shell, a cavity is formed between the inner wall of the shell and the inner container, the guiding part divides the cavity, and therefore liquid can only flow in the cavity along a flow channel. According to the evaporator with the high refrigerating efficiency, the spiral protruding guide part is arranged on the outer wall of the inner container, so that refrigerating liquid can circulate along the spiral flow channel outside the inner container through the guide part, and a copper pipe flow channel on the inner surface of a conventional evaporator is replaced; a large amount of manufacturing cost is saved, meanwhile, a good refrigeration effect can be kept, the refrigeration effect is stable, use is reliable, and damage is not likely to happen.

Description

TECHNICAL FIELD

[0001] The utility model relates to evaporator technical field especially relates to a high refrigeration efficiency's evaporator. BACKGROUND

[0002] Evaporator is a heat exchanger, is make low pressure, low temperature refrigerant liquid absorbs the heat of the cooled medium in the process of boiling, thereby reach the purpose of refrigeration. Evaporator is widely used in the field of ice making, evaporator is equipped with the rotating shaft and the scraper which can rotate in the circumference, the scraper is connected on the rotating shaft. The cavity in the evaporator continuously circulates the refrigerant medium, the rotating shaft of the evaporator is slowly rotated under the driving of the speed reducer, the liquid on its surface is refrigerated by the refrigerant in the evaporator and forms the ice. The existing evaporator is usually equipped with the spiral copper pipe outside the ice making cylinder of the cylinder stainless steel, the refrigerant is arranged in the spiral copper pipe to achieve the purpose of refrigeration. But the effective contact area between the two is limited, and the copper pipe is welded on the outside of the cylinder of the stainless steel, so the welding difficulty of different melting points is larger, thereby leading to poor heat exchange efficiency, and the gap between the spiral copper pipe and the ice making cylinder cannot be tightly fitted, thereby affecting the ice making effect, and the processing cost is higher due to the large amount of copper pipe in the manufacturing process. SUMMARY

[0003] (I) technical problem to be solved

[0004] The problem to be solved by the utility model is to provide an evaporator with high refrigeration efficiency to overcome the defects of low refrigeration efficiency and high manufacturing cost of the evaporator in the prior art.

[0005] (II) technical scheme

[0006] To solve the technical problem, the utility model provides an evaporator with high refrigeration efficiency, which comprises an outer shell and an inner container sleeved in the outer shell, an outer wall of the inner container is outwardly convex to form a spiral guide portion, a spiral flow channel is formed between the outer wall of the inner container and the guide portion, the inner container is fixed and sealed by welding the outer end face of the guide portion with the inner wall of the outer shell, a cavity is formed between the inner wall of the outer shell and the inner container, the guide portion separates the cavity, and liquid can only circulate in the cavity along the flow channel.

[0007] In some embodiments, the cross section of the guide portion is semicircular, the upper and lower ends of the flow channel are respectively provided with a liquid inlet and a liquid outlet, a liquid inlet pipe is connected to the liquid inlet, and a liquid outlet pipe is connected to the liquid outlet.

[0008] In some embodiments, the shell is sleeved with a deicing assembly, the deicing assembly comprises a first connecting part, a second connecting part and a scraping strip arranged between the first connecting part and the second connecting part, and the scraping strip is helically rotationally symmetrically arranged on both sides of the deicing assembly.

[0009] In some embodiments, both ends of the scraping strip are fixed on the first connecting part and the second connecting part through a support part penetrating through the scraping strip, and the bottom of the shell is provided with a support plate abutting against the bottom of the inner container.

[0010] In some embodiments, the inner container is provided with a rotating shaft penetrating through the support plate and fixed at one end on the second connecting part, the liquid inlet pipe and the liquid outlet pipe are both stainless steel pipes, and the end of the liquid inlet pipe and the liquid outlet pipe is connected with a copper pipe through flaring of the copper pipe.

[0011] (Three) beneficial effects

[0012] The evaporator with high refrigeration efficiency provided by the utility model has the helically protruding guide part on the outer wall of the inner container, so that the refrigeration liquid can flow through the helical flow channel outside the inner container through the guide part, thereby replacing the copper pipe flow channel on the inner surface of the conventional evaporator, saving a large amount of manufacturing cost while maintaining good refrigeration effect, and the refrigeration effect is stable, reliable and not easy to be damaged. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0014] Fig. 1 It is a perspective view of the evaporator with high refrigeration efficiency of the utility model;

[0015] Fig. 2 It is a sectional view of the evaporator with high refrigeration efficiency of the utility model;

[0016] Fig. 3 It is a perspective view of the inner container of the evaporator with high refrigeration efficiency of the utility model;

[0017] Fig. 4 It is a sectional view of the inner container of the evaporator with high refrigeration efficiency of the utility model;

[0018] Fig. 5 It is a perspective view of the deicing assembly of the evaporator with high refrigeration efficiency of the utility model;

[0019] Fig. 6 The utility model discloses a high refrigeration efficiency evaporator's shell and pivot perspective view.

[0020] The corresponding component names of various reference numerals in the drawings are as follows: 1, shell; 2, inner container; 3, guide part; 4, flow channel; 5, cavity; 6, liquid inlet; 7, liquid outlet; 8, liquid inlet pipe; 9, liquid outlet pipe; 10, first connecting part; 11, second connecting part; 12, scraping strip; 13, support part; 14, support plate; 15, pivot; 16, copper pipe flaring; 17, copper pipe. DETAILED DESCRIPTION

[0021] The embodiments of the present application will be described in detail below with reference to the drawings.

[0022] The embodiments of the present application will be described in detail below with reference to the drawings.

[0023] It should be noted that the various aspects described below in the context of the accompanying claims are illustrative and not restrictive. It should be apparent that the aspects described herein can be carried out in a wide variety of forms and that any specific structure and / or function described herein is merely illustrative. Based on the teachings provided herein one skilled in the art should be capable of devising suitable alternatives without undue experimentation. For example, the devices described herein can be implemented using any number and combination of aspects described herein. Further, this device and / or method can be implemented using other structures and / or functionality in addition to or instead of one or more of the aspects described herein.

[0024] It should also be noted that the drawings included in the present description are included to illustrate certain aspects of the application and should not be considered limiting of certain aspects of the application. Indeed, those skilled in the art will be able to make modifications and variations in form and detail depending on specific application or implementations of elements of the application. It should be noted that all such modifications and variations are considered within the scope of the present application.

[0025] Also in the following description, specific details are provided to thoroughly understand examples. However, one of ordinary skill in the art will understand that the examples can be practiced without these specific details.

[0026] Referring to Figs. 1-6 The utility model provides a kind of evaporator of high refrigeration efficiency, including shell 1 and the inner container 2 of being sleeved in shell 1, wherein the outer wall of inner container 2 is outward convex and is formed with spiral guide portion 3, while the inner wall of inner container 2 will have recess, the outer wall of inner container 2 and guide portion 3 are formed with spiral flow channel 4, and liquid can only spiral flow along flow channel 4 when passing through the surface of inner container 2 by the blocking of guide portion 3, the outer end surface of inner container 2 is welded with the inner wall of shell 1 by guide portion 3 and is fixed and sealed, specifically vacuum brazing process, so that shell 1 and inner container 2 are stably connected and guide portion 3 can block the flow channel 4 of upper and lower ends, so that liquid does not flow, while increasing the contact area of liquid and inner container 2, the inner wall of shell 1 and inner container 2 are formed with cavity 5, and guide portion 3 separates cavity 5, so that liquid can only flow along flow channel 4 in cavity 5.

[0027] In some embodiments, as shown in Figs. 1-4 The cross section of guide portion 3 is semicircular, and the upper and lower ends of flow channel 4 are respectively provided with liquid inlet 6 and liquid outlet 7, liquid inlet 6 is connected with liquid inlet pipe 8, and liquid outlet 7 is connected with liquid outlet pipe 9, cooling liquid enters flow channel 4 from liquid inlet 6 through liquid inlet pipe 8, and after spiral movement along flow channel 4, it flows out from liquid outlet 7 through liquid outlet pipe 9, wherein cooling liquid flows in flow channel 4, and water or beverage, etc. flowing through the surface of shell 1 can be made into smoothie, in the embodiment, liquid inlet pipe 8 and liquid outlet pipe 9 are stainless steel pipes, the end of liquid inlet pipe 8 and liquid outlet pipe 9 is connected with copper pipe 17 through copper pipe flaring 16, and connecting copper pipe 17 through copper pipe flaring 16 can save the cost of liquid inlet pipe 8 and liquid outlet pipe 9, without making the whole pipeline through copper pipe.

[0028] In some embodiments, as shown in Fig. 5 And Fig. 6As shown, the outer shell 1 is sleeved with the ice scraping assembly, the ice scraping assembly comprises a first connecting part 10, a second connecting part 11 and a scraping strip 12 arranged between the first connecting part 10 and the second connecting part 11, the scraping strip 12 is distributed on both sides of the ice scraping assembly in spiral rotation symmetry, both ends of the scraping strip 12 are fixed on the first connecting part 10 and the second connecting part 11 through a support part 13, the support part 13 penetrates the scraping strip 12, the first connecting part is sleeved on the outer shell 1 to assemble the ice scraping assembly on the outer shell 1 as a whole, the second connecting part 11 is located at the other end of the outer shell 1, the spacing of the two scraping strips 12 is slightly larger than the diameter of the outer shell 1, so that the outer shell 1 passes through the ice scraping assembly; The bottom of the outer shell 1 is provided with a support plate 14, the support plate 14 abuts against the bottom of the inner container 2, the inner container 2 is provided with a rotating shaft 15, the rotating shaft 15 penetrates the support plate 14 and is fixed at one end on the second connecting part 11, when the rotating shaft 15 drives the outer shell 1 to rotate as a whole, the scraping strip 12 rotates relatively with the outer shell 1, since the inner side surface of the scraping strip 12 is close to the outer wall of the outer shell 1, the ice sand accumulated on the outer shell 1 can be scraped off, the cleaning effect is achieved, and the freezing of ice blocks to reduce the overall condensation effect of the evaporator is avoided.

[0029] The evaporator with high refrigeration efficiency has the spiral protruding guide part on the outer wall of the inner container, so that the refrigeration liquid can flow through the guide part along the spiral flow channel outside the inner container, thereby replacing the copper pipe flow channel on the inner surface of the conventional evaporator, a large amount of manufacturing cost is saved, and good refrigeration effect can be maintained, the refrigeration effect is stable, and the use is reliable and not easy to be damaged.

[0030] The above is only the preferred embodiment of the utility model, it should be pointed out that, for ordinary skilled person in the art, without departing from the technical principle of the utility model, a number of improvements and refinements can be made, these improvements and refinements should also be regarded as the protection scope of the utility model.

Claims

1. An evaporator with high refrigeration efficiency, comprising a shell (1) and an inner container (2) mounted inside the shell (1), characterized in that: The outer wall of the inner liner (2) protrudes outward to form a spiral guide portion (3), and a spiral flow channel (4) is formed between the outer wall of the inner liner (2) and the guide portion (3). The inner liner (2) is fixed and sealed by welding the outer end surface of the guide portion (3) to the inner wall of the outer shell (1). A cavity (5) is formed between the inner wall of the outer shell (1) and the inner liner (2), and the guide portion (3) separates the cavity (5) so that liquid can only flow along the flow channel (4) in the cavity (5).

2. The evaporator with high refrigeration efficiency according to claim 1, characterized in that: The cross section of the guide portion (3) is semicircular.

3. The evaporator with high refrigeration efficiency according to claim 1, characterized in that: The upper and lower ends of the flow channel (4) are respectively provided with a liquid inlet (6) and a liquid outlet (7); the liquid inlet (6) is connected to a liquid inlet pipe (8), and the liquid outlet (7) is connected to a liquid outlet pipe (9).

4. The evaporator with high refrigeration efficiency according to claim 1, characterized in that: An ice scraping assembly is mounted on the housing (1), and the ice scraping assembly comprises a first connecting portion (10), a second connecting portion (11), and a scraping strip (12) arranged between the first connecting portion (10) and the second connecting portion (11).

5. The evaporator with high refrigeration efficiency according to claim 4, characterized in that: The scraping strips (12) are spirally and rotationally symmetrically distributed on both sides of the ice scraping assembly.

6. The evaporator with high refrigeration efficiency according to claim 4, characterized in that: Both ends of the scraper strip (12) are fixed to the first connecting portion (10) and the second connecting portion (11) via a supporting portion (13), and the supporting portion (13) passes through the scraper strip (12).

7. The evaporator with high refrigeration efficiency according to claim 4, characterized in that: A support plate (14) is provided at the bottom of the outer shell (1), and the support plate (14) abuts against the bottom of the inner container (2).

8. The evaporator with high refrigeration efficiency according to claim 7, characterized in that: A rotating shaft (15) is provided in the inner container (2); the rotating shaft (15) passes through the support plate (14) and one end of the rotating shaft (15) is fixed on the second connecting portion (11).

9. The evaporator with high refrigeration efficiency according to claim 3, characterized in that: The liquid inlet pipe (8) and the liquid outlet pipe (9) are both stainless steel pipes, and the ends of the liquid inlet pipe (8) and the liquid outlet pipe (9) are connected to a copper pipe (17) through a copper pipe expansion (16).

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