Evaporator structure

Abstract

The utility model relates to the technical field of refrigeration, and discloses an evaporator structure which comprises an inner evaporation cylinder and an outer evaporation cylinder, the outer evaporation cylinder is sleeved on the periphery of the inner evaporation cylinder, the outer evaporation cylinder is fixedly connected with the inner evaporation cylinder, a volume cavity is arranged between the outer evaporation cylinder and the inner evaporation cylinder, and the volume cavity is communicated with the inner evaporation cylinder. A volume cavity is formed in the evaporation outer cylinder, a heat exchange surface is arranged in the volume cavity, raised lines are fixedly arranged on the outer wall of the heat exchange surface and surround the heat exchange surface, a heat exchange groove is formed between the two raised lines, an injection pipe and an outflow pipe are further arranged on the evaporation outer cylinder, and the injection pipe and the outflow pipe are both communicated with the volume cavity. According to the evaporator structure, the refrigeration contact area of the outer wall of the evaporation inner cylinder is increased by arranging the heat exchange grooves, and the refrigeration effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to refrigeration technical field especially relates to an evaporator structure. BACKGROUND

[0002] Evaporator is a heat exchanger, is low pressure, low temperature refrigerant liquid absorbs the heat of the cooled medium in the boiling process, thereby achieves the purpose of refrigeration.

[0003] The existing evaporator usually adopts the ice making cylinder of the cylinder of stainless steel, and the copper pipe of spiral disc is externally equipped, the refrigerant is arranged in the copper pipe of spiral disc, and the purpose of refrigeration is achieved. But the effective contact area between the two is limited, and the copper pipe is welded on the outer wall of the stainless steel cylinder, which is difficult to weld with different melting points, thereby leading to poor heat exchange efficiency, and the gap between the copper pipe of spiral disc and the ice making cylinder cannot be tightly fitted, thereby affecting the ice making effect. UTILITY MODEL CONTENT

[0004] In order to overcome the defects in the prior art, the utility model aims at providing an evaporator structure.

[0005] In order to achieve the above object, the utility model adopts the following technical scheme:

[0006] An evaporator structure, comprising an evaporation inner cylinder and an evaporation outer cylinder, the evaporation outer cylinder is sleeved on the periphery of the evaporation inner cylinder, the evaporation outer cylinder is fixedly connected with the evaporation inner cylinder, a volume cavity is arranged between the evaporation outer cylinder and the evaporation inner cylinder, a heat exchange surface is arranged inside the volume cavity, a convex strip is fixedly arranged on the outer wall of the heat exchange surface, the convex strip surrounds the heat exchange surface, a heat exchange groove is arranged between two convex strips, an injection pipe and an outflow pipe are further arranged on the evaporation outer cylinder, and the injection pipe and the outflow pipe are in communication with the volume cavity.

[0007] Compared with the prior art, the evaporator structure has the following beneficial effects:

[0008] In practical application, the convex strip is arranged on the outer wall of the evaporation inner cylinder, the convex strip uniformly divides the volume cavity into several heat exchange grooves, which is different from the ordinary copper pipe welded on the outer wall of the evaporation inner cylinder, the heat exchange groove surrounds the periphery of the evaporation inner cylinder, so that the contact area of the refrigerant and the cylinder wall is larger, the refrigeration efficiency is improved, and the refrigeration effect is improved.

[0009] Preferably, the convex strip is threadedly annularly arranged on the heat exchange surface, the top end of the convex strip abuts against the inner wall of the evaporation outer cylinder, the convex strip divides the volume cavity into several heat exchange grooves in communication, and the heat exchange grooves are threadedly annularly arranged on the outer wall of the evaporation inner cylinder.

[0010] Beneficial effect: the convex strip divides the volume cavity into several communicating heat exchange grooves, so that when the refrigerant is injected into the volume cavity, the refrigerant can uniformly flow through the heat exchange grooves around the heat exchange surface, and the cooling effect of the evaporator is improved.

[0011] Preferably, the convex strips are annularly arranged on the heat exchange surface, the distance between the convex strips is equal, and a blocking strip is fixedly arranged on the inner wall of the evaporating outer cylinder and crosses the convex strips in the volume cavity.

[0012] Beneficial effect: the regular arrangement of the blocking strip and the convex strip slows down the flow rate of the refrigerant through the volume cavity, increases the contact time of the refrigerant with the heat exchange grooves, and improves the cooling effect of the evaporator.

[0013] Preferably, the injection pipe is arranged at one end of the evaporating outer cylinder, the injection pipe is internally provided with an injection hole, the outflow pipe is arranged at the other end of the evaporating outer cylinder, and the outflow pipe is internally provided with an outflow hole.

[0014] Beneficial effect: in actual use, the refrigerant is injected into the volume cavity through the injection pipe, flows through the heat exchange surface along the heat exchange grooves in the volume cavity, and then flows back to the collecting tank through the outflow pipe.

[0015] Preferably, the inner wall of the evaporating inner cylinder is fixedly provided with annular convex strips, and a plurality of annular convex strips are regularly arranged on the inner wall and have equal distances between them.

[0016] Beneficial effect: the regular arrangement of the annular convex strips on the inner wall of the evaporating inner cylinder can block the liquid flowing through the evaporating inner cylinder, slow down the flow rate of the liquid and the inner wall of the evaporating inner cylinder, increase the contact time of the refrigeration, and improve the cooling effect.

[0017] Preferably, the evaporating outer cylinder is provided with sealing interfaces on both sides, and the sealing interfaces are welded to the outer wall of the evaporating inner cylinder.

[0018] Beneficial effect: the sealing interfaces arranged on both sides of the evaporating outer cylinder can make the evaporating outer cylinder more fixed and sealed when the evaporating outer cylinder is welded to the outer wall of the evaporating inner cylinder.

[0019] Preferably, the two ends of the evaporating inner cylinder are provided with threaded connectors.

[0020] Beneficial effect: the threaded connectors arranged at the two ends of the evaporating inner cylinder can facilitate the assembly and installation of the evaporator and other pipelines. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 The structure of the evaporator structure provided in the embodiment of the utility model is shown in the structure diagram.

[0022] Figure 2The structure schematic diagram of the evaporating inner cylinder is provided for the embodiment of the utility model.

[0023] Figure 3 The structure sectional view of the evaporator is provided for the embodiment of the utility model.

[0024] Figure 4 The structure schematic diagram of the evaporating inner cylinder is provided for the embodiment of the utility model.

[0025] Figure 5 The structure sectional view of the evaporator is provided for the embodiment of the utility model. Specific implementation

[0026] The following is further explained in detail through specific implementation:

[0027] The reference signs in the drawings of the specification include: evaporating inner cylinder 1, evaporating outer cylinder 2, volume cavity 3, heat exchange surface 4, convex strip 5, heat exchange groove 6, injection pipe 7, outflow pipe 8, injection hole 9, outflow hole 10, annular convex strip 11, sealing interface 12, threaded connection head 13, blocking strip 14.

[0028] Embodiment:

[0029] As shown in the accompanying Figures 1-4 The embodiment shows an evaporator structure, which comprises an evaporating inner cylinder 1 and an evaporating outer cylinder 2, the evaporating outer cylinder 2 is sleeved on the periphery of the evaporating inner cylinder 1, the evaporating outer cylinder 2 is fixedly connected with the evaporating inner cylinder 1, a volume cavity 3 is arranged between the evaporating outer cylinder 2 and the evaporating inner cylinder 1, a heat exchange surface 4 is arranged inside the volume cavity 3, a convex strip 5 is fixedly arranged on the outer wall of the heat exchange surface 4, the convex strip 5 surrounds the heat exchange surface 4, a heat exchange groove 6 is arranged between the two convex strips 5, an injection pipe 7 and an outflow pipe 8 are further arranged on the evaporating outer cylinder 2, the injection pipe 7 and the outflow pipe 8 are both in communication with the volume cavity 3, the convex strip 5 surrounds the heat exchange surface 4 in a threaded annular shape, the top end of the convex strip 5 abuts against the inner wall of the evaporating outer cylinder 2, the convex strip 5 divides the volume cavity 3 into a plurality of heat exchange grooves 6 in communication, and the heat exchange grooves 6 surround the outer wall of the evaporating inner cylinder 1 in a threaded annular shape.

[0030] Specifically, the volume cavity 3 is evenly divided into a plurality of heat exchange grooves 6 in communication by arranging the annular surrounding convex strip 5 inside the volume cavity 3, the top of the convex strip 5 abuts against the inner wall of the evaporating outer cylinder 2, the contact area of the heat exchange groove 6 and the heat exchange surface 4 is increased, the refrigeration effect can be improved when the refrigerant flows through the heat exchange groove 6, and the overall refrigeration effect of the evaporator is improved.

[0031] The injection pipe 7 of the embodiment is arranged at one end of the evaporating outer cylinder 2, the injection pipe 7 is internally provided with an injection hole 9, the outflow pipe 8 is arranged at the other end of the evaporating outer cylinder 2, and the outflow pipe 8 is internally provided with an outflow hole 10.

[0032] Specifically, the refrigerant enters the volumetric cavity 3 through the injection pipe 7, flows around the heat exchange groove 6 and through the heat exchange surface 4, and then flows out through the outlet pipe 8, thus realizing the circulation of the entire cooling channel.

[0033] In this embodiment, annular protrusions 11 are fixedly provided on the inner wall of the evaporation inner cylinder 1. Multiple annular protrusions 11 are regularly arranged on the inner wall and the distance between them is equal.

[0034] Specifically, the inner wall of the evaporator cylinder 1 is provided with multiple annular protrusions 11. When the liquid flows through the inner wall, the annular protrusions 11 block and slow down the flow rate of the liquid, thereby slowing down the liquid flow rate, increasing the cooling time, and improving the overall cooling effect of the evaporator.

[0035] In this embodiment, the outer evaporator cylinder 2 is provided with sealing interfaces 12 on both sides, and the sealing interfaces 12 are welded to the outer wall of the inner evaporator cylinder 1.

[0036] Specifically, by setting sealing interfaces 12 on both sides, the outer evaporator cylinder 2 and the inner evaporator cylinder 1 are welded more tightly, resulting in better sealing.

[0037] In this embodiment, threaded connectors 13 are provided at both ends of the evaporation inner cylinder 1.

[0038] Specifically, the threaded connectors 13 provided at both ends of the evaporator inner cylinder 1 facilitate threaded assembly of the evaporator inner cylinder 1 with other pipelines.

[0039] Example 2:

[0040] As attached Figure 5 As shown: This embodiment illustrates an evaporator structure, including an inner evaporator cylinder 1 and an outer evaporator cylinder 2. The outer evaporator cylinder 2 is sleeved around the outer evaporator cylinder 1 and is fixedly connected to the inner evaporator cylinder 1. A volumetric cavity 3 is provided between the outer evaporator cylinder 2 and the inner evaporator cylinder 1. A heat exchange surface 4 is provided inside the volumetric cavity 3. A protruding strip 5 is fixedly provided on the outer wall of the heat exchange surface 4. The protruding strip 5 surrounds the heat exchange surface 4. A heat exchange groove 6 is provided between two protruding strips 5. An injection pipe 7 and an outlet pipe 8 are also provided on the outer evaporator cylinder 2. Both the injection pipe 7 and the outlet pipe 8 are connected to the volumetric cavity 3. The protruding strips 5 are circumferentially surrounding the heat exchange surface 4, and the distance between the protruding strips 5 is equal. A blocking strip 14 is fixedly provided on the inner wall of the outer evaporator cylinder 2. The blocking strip 14 and the protruding strips 5 are arranged intersectingly in the volumetric cavity 3.

[0041] Specifically, the blocking strip 14 and the protruding strip 5 are arranged in a cross pattern inside the volume cavity 3, and the flow channel inside the volume cavity 3 is set as a curved sawtooth flow channel. This setting slows down the flow rate of the refrigerant inside the volume cavity 3 and increases the contact time between the refrigerant and the heat exchange surface 4, thereby improving the cooling effect of the evaporator.

[0042] The above only is the embodiment of the present application, and the well-known specific technical solutions and / or common knowledge in the scheme are not described in detail. It should be pointed out that, for those skilled in the art, without departing from the technical solutions of the present application, a number of modifications and improvements can be made, which should also be considered as the protection scope of the present application, and these will not affect the effect and practicality of the present application. The protection scope claimed in the present application should be subject to the content of its claims, and the specific implementation mode and the like recorded in the specification can be used to explain the content of the claims.

Claims

1. An evaporator structure, characterized by: The utility model provides an evaporative inner cylinder (1) and evaporative outer cylinder (2) are included, the evaporative outer cylinder (2) is sleeved in the periphery of evaporative inner cylinder (1), the evaporative outer cylinder (2) is fixedly connected with evaporative inner cylinder (1), be provided with volume cavity (3) between evaporative outer cylinder (2) with evaporative inner cylinder (1), be provided with heat exchange surface (4) inside volume cavity (3), fixedly set up convex strip (5) on the outer wall of heat exchange surface (4), the convex strip (5) is around heat exchange surface (4), be provided with heat exchange groove (6) between two convex strip (5), still set up injection pipe (7) and outflow pipe (8) on evaporative outer cylinder (2), injection pipe (7) with outflow pipe (8) all are linked with volume cavity (3) intercommunication, the convex strip (5) annularly surrounds heat exchange surface (4), the distance between convex strip (5) is equal, fixedly set up blocking strip (14) on the inner wall of evaporative outer cylinder (2), blocking strip (14) and convex strip (5) cross arrangement in volume cavity (3).

2. An evaporator structure according to claim 1, characterized in that: The convex strip (5) is threadedly annularly surrounded on the heat exchange surface (4), the top end of the convex strip (5) is abutted on the inner wall of the evaporative outer cylinder (2), the convex strip (5) divides the volume cavity (3) into several heat exchange grooves (6) in communication, the heat exchange groove (6) is threadedly annularly surrounded on the outer wall of the evaporative inner cylinder (1).

3. The evaporator structure of claim 1, wherein: The injection pipe (7) is arranged at one end of the evaporative outer cylinder (2), the injection pipe (7) is internally provided with an injection hole (9), the outflow pipe (8) is arranged at the other end of the evaporative outer cylinder (2), and the outflow pipe (8) is internally provided with an outflow hole (10).

4. The evaporator structure of claim 1, wherein: The inner wall of the evaporative inner cylinder (1) is fixedly provided with annular convex strips (11), and a plurality of annular convex strips (11) are regularly arranged on the inner wall with equal distances therebetween.

5. The evaporator structure of claim 1, wherein: The evaporative outer cylinder (2) is provided with sealing interfaces (12) on both sides, and the sealing interfaces (12) are welded to the outer wall of the evaporative inner cylinder (1).

6. The evaporator structure of claim 1, wherein: The two ends of the evaporative inner cylinder (1) are provided with threaded connectors (13).

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