Economizer for refrigeration device

Abstract

The utility model discloses an economizer for a refrigeration device, which comprises a cylinder body assembly and a heat exchange assembly, the cylinder body assembly comprises a hollow cylinder body and two end covers, the two end covers are respectively covered at two ends of the cylinder body, the heat exchange assembly is fixedly arranged in the cylinder body, the cylinder body assembly further comprises two sealing discs, the number of the sealing discs is two, and the sealing discs correspond to the positions of the end covers. The barrel and the end covers are fixedly arranged at the two ends of the sealing disc respectively, the sealing disc and the end covers located at the same end of the barrel form a cavity, the two end covers are provided with a main path inlet pipe and a main path outlet pipe respectively, the heat exchange assembly communicates with the two cavities, and a flow channel formed by the main path inlet pipe, the main path outlet pipe and the heat exchange assembly is defined as a main path flow channel; an auxiliary path inlet pipe and an auxiliary path outlet pipe are respectively arranged on the barrel body, and a flow channel formed by the auxiliary path inlet pipe, the auxiliary path outlet pipe and the heat exchange assembly is defined as an auxiliary path flow channel; the main flow channel and the auxiliary flow channel are not communicated with each other; by means of the arrangement, the heat exchange assembly is integrally arranged in the economizer, the space utilization rate is fully improved, the heat exchange efficiency is effectively improved, and energy consumption is low.

Description

Technical Field

[0001] The utility model belongs to the technical field of refrigeration devices, and particularly relates to an economizer used in a refrigeration device. Background Art

[0002] With the improvement of people's living standards and the change of consumption concepts, the demand for refrigeration equipment has increased year by year. With the rise of cold chain logistics driven by consumption upgrades, refrigeration equipment has continued to shift to the commercial market, and the market size has continued to grow. As a major energy consumer, refrigeration equipment is under increasing pressure to save energy and reduce emissions, and the demand for technological innovation in the refrigeration industry is becoming increasingly high.

[0003] Existing refrigeration equipment usually includes separate economizers and heat exchangers, which not only take up a large space and have low space utilization, but also have low heat exchange efficiency, which is not conducive to energy conservation and emission reduction. Utility Model Content

[0004] The purpose of the present invention is to provide an economizer for a refrigeration device, in which a heat exchange component is integrated to improve space utilization and heat exchange efficiency, so as to solve at least one of the above technical problems.

[0005] In order to achieve the above-mentioned purpose of the utility model, the technical solution adopted by the utility model is as follows:

[0006] An economizer for a refrigeration device, comprising:

[0007] A cylinder assembly, comprising a hollow cylinder and two end covers, wherein the two end covers are respectively provided at both ends of the cylinder;

[0008] A heat exchange component, the heat exchange component is fixedly arranged in the cylinder;

[0009] The cylinder assembly further includes two sealing discs, which are provided corresponding to the positions of the end covers. The cylinder and the end covers are fixedly provided at both ends of the sealing discs, respectively. The sealing discs and the end covers located at the same end of the cylinder form a cavity.

[0010] A main inlet pipe and a main outlet pipe are respectively provided on the two end covers, and the heat exchange component is connected to the two cavities, defining the flow channel formed by the main inlet pipe, the main outlet pipe and the heat exchange component as the main flow channel;

[0011] An auxiliary inlet pipe and an auxiliary outlet pipe are respectively provided on the cylinder, and a flow channel formed by the auxiliary inlet pipe, the auxiliary outlet pipe and the heat exchange component is defined as an auxiliary flow channel;

[0012] The main flow channel and the auxiliary flow channel are not connected to each other;

[0013] The heat exchange assembly includes a plurality of harmonica tubes and fins arranged at intervals. The harmonica tubes and the fins abut against each other. The harmonica tubes pass through the sealing disk to connect the cavities of the two end covers. The fins are located in the cylinder and do not pass through the sealing disk.

[0014] By such arrangement, the heat exchange component is integrated inside the economizer of the present invention, which fully improves the space utilization, effectively improves the heat exchange efficiency, and reduces energy consumption.

[0015] Preferably, a plurality of harmonica tubes are clamped between any two adjacent fins, and the harmonica tubes are connected to the main inlet pipe and the main outlet pipe;

[0016] The communication direction of the harmonica tubes is defined as the Z direction, and the arrangement direction of two adjacent fins is defined as the Y direction; the arrangement direction of the multiple harmonica tubes located between two adjacent fins is defined as the X direction, and the Z direction, the Y direction and the X direction are perpendicular to each other.

[0017] Preferably, a gap is provided between any two adjacent harmonica pipes, and the auxiliary channel inlet pipe and the auxiliary channel outlet pipe are connected to the gap.

[0018] Preferably, the heat exchange assembly further includes an inner sleeve, which is arranged to be sleeved on the fins and the harmonica tube along the Z direction, and the inner sleeve does not abut against the two sealing disks in the Z direction.

[0019] Preferably, the cylinder assembly also includes a partition, which is fixedly connected to the cylinder to divide the cylinder into two parts, and the two parts of the cylinder are defined as a first cylinder and a second cylinder, one of the auxiliary road inlet pipe and the auxiliary road outlet pipe is arranged in the first cylinder, and the other is arranged in the second cylinder.

[0020] Preferably, the first cylinder and the second cylinder are integrally formed or separately provided.

[0021] Preferably, the inner sleeve is passed through the partition, and the inner sleeve is connected to the partition by welding.

[0022] Preferably, the cross section of the inner sleeve along the Z direction is configured as a "mouth" shape.

[0023] Preferably, the harmonica tube is a component formed by extrusion of steel or aluminum alloy.

[0024] Preferably, the inner sleeve is a component formed by laser welding of a plate.

[0025] Beneficial effects:

[0026] The utility model is an economizer for a refrigeration device, comprising a cylinder assembly and a heat exchange assembly, the cylinder assembly comprising a hollow cylinder and two end covers, the two end covers are respectively covered at both ends of the cylinder, the heat exchange assembly is fixedly arranged in the cylinder, the cylinder assembly further comprises a sealing disk, two sealing disks are provided, corresponding to the positions of the end covers, the cylinder and the end covers are respectively fixedly arranged at both ends of the sealing disk, the sealing disk and the end cover located at the same end of the cylinder form a cavity, the two end covers are respectively provided with a main inlet pipe and a main outlet pipe, the heat exchange assembly is connected to the two cavities, and the main inlet pipe, the main outlet pipe and the heat exchange assembly are defined. The flow channel formed by the component is the main flow channel; an auxiliary inlet pipe and an auxiliary outlet pipe are respectively provided on the cylinder body, and the flow channel formed by the auxiliary inlet pipe, the auxiliary outlet pipe and the heat exchange component is defined as the auxiliary flow channel; the main flow channel and the auxiliary flow channel are not connected to each other; the heat exchange component includes a plurality of harmonica tubes and fins arranged at intervals, the harmonica tubes and the fins abut against each other, the harmonica tubes pass through the sealing plate, so that the cavities of the two end covers are connected, and the fins are located in the cylinder body and do not pass through the sealing plate. With such an arrangement, the heat exchange component is integrated inside the economizer of the utility model, which fully improves the space utilization rate, effectively improves the heat exchange efficiency, and has low energy consumption. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is a three-dimensional structural diagram of the economizer according to an embodiment of the present utility model;

[0028] Figure 2 For the Figure 1 Cross-sectional view in the AA direction;

[0029] Figure 3 For the Figure 1 Cross-sectional view in the middle BB direction;

[0030] Figure 4 This is an exploded three-dimensional structural diagram of the economizer according to an embodiment of the present utility model;

[0031] Figure 5 This is a schematic diagram of the cross-sectional structure of the economizer along the Z direction according to an embodiment of the utility model;

[0032] Figure 6 for.

[0033] Reference numerals

[0034] 1-first end cover; 11-main inlet pipe; 12-first cavity; 2-second end cover; 21-main outlet pipe; 22-second cavity; 3-first cylinder; 31-auxiliary inlet pipe; 32-first sealing disk; 33-partition; 34-third cavity; 4-second cylinder; 41-auxiliary outlet pipe; 42-fourth cavity; 43-second sealing disk; 5-harmonica tube; 51-gap; 6-fin; 7-inner sleeve. DETAILED DESCRIPTION

[0035] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the specific implementation methods of the present invention will be described below with reference to the accompanying drawings. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings and other implementation methods can be obtained based on these drawings without inventive work.

[0036] The technical solution of the present utility model is described in detail below with reference to specific embodiments.

[0037] Please also refer to Figure 1 and Figure 4 This embodiment discloses an economizer for a refrigeration device, including a cylinder assembly and a heat exchange assembly. The cylinder assembly includes a hollow cylinder and two end covers. The two end covers are respectively covered at both ends of the cylinder. The heat exchange assembly is fixedly arranged in the cylinder. The cylinder assembly also includes a sealing disk. There are two sealing disks, which correspond to the positions of the end covers. The cylinder and the end covers are respectively fixed at both ends of the sealing disk. The sealing disk and the end cover at the same end of the cylinder form a cavity. The two end covers are respectively provided with a main inlet pipe 11 and a main outlet pipe 21. The heat exchange assembly is connected to The two cavities define the flow channel formed by the main inlet pipe 11, the main outlet pipe 21 and the heat exchange component as the main flow channel; the cylinder is respectively provided with an auxiliary inlet pipe 31 and an auxiliary outlet pipe 41, and the flow channel formed by the auxiliary inlet pipe 31, the auxiliary outlet pipe 41 and the heat exchange component is defined as the auxiliary flow channel; the main flow channel and the auxiliary flow channel are not connected to each other, and are respectively used for the flow and heat exchange of low-pressure refrigerant and high-pressure refrigerant. With such an arrangement, the heat exchange component is integrated inside the economizer of the embodiment of the utility model, which fully improves the space utilization rate, effectively improves the heat exchange efficiency, and has low energy consumption.

[0038] Furthermore, for the sake of distinction, the two end covers are defined as the first end cover 1 and the second end cover 2, and similarly, the two sealing discs are defined as the first sealing disc 32 and the second sealing disc 43, respectively. The main inlet pipe 11 is fixed to the first end cover 1, and the main outlet pipe 21 is fixed to the second end cover 2. Figure 2 and Figure 3 The first sealing disk 32 and the first end cover 1 form a first cavity 12, the second sealing disk 43 and the second end cover 2 form a second cavity 22, and the heat exchange component includes a plurality of harmonica tubes 5 and fins 6 arranged at intervals. The harmonica tubes 5 are components extruded from steel or aluminum alloy. The harmonica tubes 5 and the fins 6 abut against each other. The harmonica tubes 5 pass through the first sealing disk 32 and the second sealing disk 43, connecting the first cavity 12 and the second cavity 22. The high-pressure refrigerant enters the first cavity 12 from the main inlet pipe 11, then flows into the second cavity 22 through the harmonica tubes 5, and finally flows out from the main outlet pipe 21.

[0039] Combine Figure 5 and Figure 6, the communication direction of the harmonica tube 5 is defined as the Z direction, that is, the direction from the first cavity 12 to the second cavity 22 is the Z direction, and the arrangement direction of the two adjacent fins 6 is the Y direction; the arrangement direction of the multiple harmonica tubes 5 located between the two adjacent fins 6 is the X direction, the Z direction, the Y direction and the X direction are perpendicular to each other, and a gap 51 is provided between any two adjacent harmonica tubes 5 arranged along the X direction, and the auxiliary inlet pipe 31 and the auxiliary outlet pipe 41 are connected to the gap 51. More specifically, the heat exchange component in this embodiment also includes an inner sleeve 7, which is a component formed by laser welding of a plate, and the inner sleeve 7 is arranged along the Z direction and sleeved on the fins 6 and the harmonica tube 5.

[0040] The cylinder assembly also includes a partition 33, which is fixedly connected to the cylinder, dividing the cylinder into two parts, which are defined as the first cylinder 3 and the second cylinder 4. The first cylinder 3 and the second cylinder 4 are both made of aluminum alloy to ensure the overall load-bearing strength and structural strength of the economizer. One of the auxiliary line inlet pipe 31 and the auxiliary line outlet pipe 41 is provided in the first cylinder 3, and the other is provided in the second cylinder 4. The first cylinder 3 and the second cylinder 4 are integrally formed or separately provided. Specifically, as shown in FIG. Figure 3 and Figure 4 As shown, in this embodiment, the first cylinder 3 and the second cylinder 4 are separately arranged, the auxiliary road inlet pipe 31 is fixed to the first cylinder 3, the auxiliary road outlet pipe 41 is fixed to the second cylinder 4, the first cylinder 3, the first sealing disk 32 and the partition 33 form a third cavity 34, the second cylinder 4, the second sealing disk 43 and the partition 33 form a fourth cavity 42, the first cavity 12 is not connected to the third cavity 34, and the second cavity 22 is not connected to the fourth cavity 42. Figure 2 and Figure 3 As shown, the inner sleeve 7 is passed through the partition 33, and the inner sleeve 7 is welded to the partition 33. The inner sleeve 7 does not abut the first sealing disk 32 and the second sealing disk 43 in the Z direction. The low-pressure refrigerant enters the third cavity 34 from the auxiliary inlet pipe 31. Preferably, in the third cavity 34, the low-pressure refrigerant enters the gap 51 between the harmonica tubes 5 from the gap between the inner sleeve 7 and the first sealing disk 32, flows into the fourth cavity 42, and finally flows out from the auxiliary outlet pipe 41. When the low-pressure refrigerant flows in the gap 51, it exchanges heat with the high-pressure refrigerant in the harmonica tube 5. Due to the arrangement of the fins 6 and the harmonica tube 5, sufficient flow contact area is guaranteed between the low-pressure refrigerant and the high-pressure refrigerant, thereby improving the heat exchange efficiency. It can be seen from the above that the cylinder assembly is a sealed pressure-resistant structure, and the heat exchange assembly is sleeved in the cylinder assembly, which can effectively improve the pressure resistance of the product and is suitable for new high-pressure refrigerants.

[0041] Preferably, the cross-section of the inner sleeve 7 along the Z direction is configured as a "mouth" shape. Accordingly, the flow channel formed by the array of fins 6 and harmonica tubes 5 is square in the Z direction, matching the shape of the inner sleeve 7, thereby ensuring the stability of the overall structure of the heat exchange assembly.

[0042] In summary, the utility model is an economizer for a refrigeration device, comprising a cylinder assembly and a heat exchange assembly, the cylinder assembly comprising a hollow cylinder and two end covers, the two end covers are respectively covered at both ends of the cylinder, the heat exchange assembly is fixedly arranged in the cylinder, the cylinder assembly further comprises a sealing disk, the sealing disk is provided with two, corresponding to the position of the end covers, the cylinder and the end covers are respectively fixedly arranged at both ends of the sealing disk, the sealing disk and the end cover located at the same end of the cylinder form a cavity, the two end covers are respectively provided with a main inlet pipe 11 and a main outlet pipe 21, the heat exchange assembly is connected to the two cavities, and the main inlet pipe 11, the main outlet pipe 21 and the heat exchange assembly are defined. The flow channel formed by the assembly is the main flow channel; an auxiliary inlet pipe 31 and an auxiliary outlet pipe 41 are respectively provided on the cylinder body, and the flow channel formed by the auxiliary inlet pipe 31, the auxiliary outlet pipe 41 and the heat exchange assembly is defined as the auxiliary flow channel; the main flow channel and the auxiliary flow channel are not connected to each other; the heat exchange assembly includes a plurality of harmonica tubes 5 and fins 6 arranged at intervals, the harmonica tubes 5 and the fins 6 abut against each other, the harmonica tubes 5 pass through the sealing disk, so that the cavities of the two end covers are connected, and the fins 6 are located in the cylinder body and do not pass through the sealing disk. With such an arrangement, the heat exchange assembly is integrated inside the economizer of the utility model, which fully improves the space utilization rate, effectively improves the heat exchange efficiency, and has low energy consumption.

[0043] The above describes in detail an embodiment of an economizer for a refrigeration system provided by the present invention. Specific examples are used herein to illustrate the principles and implementation methods of the present invention. The description of the above embodiments is intended only to facilitate understanding of the core concept of the present invention. It should be noted that those skilled in the art may make various improvements and modifications to the present invention without departing from the principles of the present invention, and such improvements and modifications fall within the scope of protection of the claims of the present invention.

Claims

1. An economizer for a refrigeration device, characterized in that: include: A cylinder assembly, comprising a hollow cylinder and two end covers, wherein the two end covers are respectively provided at both ends of the cylinder; A heat exchange component, the heat exchange component is fixedly arranged in the cylinder; The cylinder assembly further includes two sealing discs, which are provided corresponding to the positions of the end covers. The cylinder and the end covers are fixedly provided at both ends of the sealing discs, respectively. The sealing discs and the end covers located at the same end of the cylinder form a cavity. A main inlet pipe (11) and a main outlet pipe (21) are respectively provided on the two end covers, and the heat exchange component is connected to the two cavities, defining a flow channel formed by the main inlet pipe (11), the main outlet pipe (21) and the heat exchange component as a main flow channel; An auxiliary inlet pipe (31) and an auxiliary outlet pipe (41) are respectively provided on the cylinder, and a flow channel formed by the auxiliary inlet pipe (31), the auxiliary outlet pipe (41) and the heat exchange component is defined as an auxiliary flow channel; The main flow channel and the auxiliary flow channel are not connected to each other; The heat exchange assembly comprises a plurality of harmonica tubes (5) and fins (6) arranged at intervals, wherein the harmonica tubes (5) and the fins (6) abut against each other, the harmonica tubes (5) pass through the sealing disk, so that the cavities of the two end covers are connected, and the fins (6) are located in the cylinder and do not pass through the sealing disk.

2. The economizer according to claim 1, characterized in that A plurality of harmonica tubes (5) are clamped between any two adjacent fins (6), and the harmonica tubes (5) are connected to the main inlet pipe (11) and the main outlet pipe (21); The communication direction of the harmonica tube (5) is defined as the Z direction, and the arrangement direction of two adjacent fins (6) is defined as the Y direction; the arrangement direction of the plurality of harmonica tubes (5) located between two adjacent fins (6) is defined as the X direction, and the Z direction, the Y direction and the X direction are perpendicular to each other.

3. The economizer according to claim 2, characterized in that A gap (51) is provided between any two adjacent harmonica pipes (5), and the auxiliary path inlet pipe (31) and the auxiliary path outlet pipe (41) are connected to the gap (51).

4. The economizer according to claim 2, characterized in that The heat exchange assembly further comprises an inner sleeve (7), which is arranged to be sleeved on the fins (6) and the harmonica tube (5) along the Z direction, and the inner sleeve (7) does not abut against the two sealing disks in the Z direction.

5. The economizer according to claim 4, characterized in that The cylinder assembly further comprises a partition (33), wherein the partition (33) is fixedly connected to the cylinder, dividing the cylinder into two parts, wherein the two parts of the cylinder are defined as a first cylinder (3) and a second cylinder (4), and one of the auxiliary road inlet pipe (31) and the auxiliary road outlet pipe (41) is provided in the first cylinder (3), and the other is provided in the second cylinder (4).

6. The economizer according to claim 5, characterized in that The first cylinder (3) and the second cylinder (4) are integrally formed or separately arranged.

7. The economizer according to claim 5, characterized in that The inner sleeve (7) is passed through the partition (33), and the inner sleeve (7) is connected to the partition (33) by welding.

8. The economizer according to claim 5, characterized in that The cross section of the inner sleeve (7) along the Z direction is configured as a "mouth" shape.

9. The economizer according to claim 1 or 2, characterized in that: The harmonica tube (5) is a component formed by extrusion of steel or aluminum alloy.

10. The economizer according to claim 4, characterized in that The inner sleeve (7) is a component formed by laser welding of a plate.

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