A self-circulation cooling device for air compressor

Abstract

The application discloses a kind of self-circulation cooling device for air compressor, the air compressor includes static scroll and dynamic scroll, and a set of cooling structure is respectively arranged outside two scrolls;Each set of cooling structure includes multiple horizontal radiators, the import end of multiple horizontal radiators is gathered on a import longitudinal radiator, the export end of multiple horizontal radiators is gathered on a export longitudinal radiator, the inside of horizontal radiator is provided with three layers of cavities from inside to outside, three layers of cavities are in turn from inside to outside as inner cavity, intermediate cavity and outer cavity, the both ends of intermediate cavity are sealed to form closed cavity and are filled with acetone liquid, the import end of inner cavity and the import end of outer cavity are respectively connected with the water cavity of import longitudinal radiator, and the export end of inner cavity and the export end of outer cavity are respectively connected with the water cavity of export longitudinal radiator.The advantages of the present application: while reducing the volume of cooling device, the cooling effect is guaranteed.

Description

TECHNICAL FIELD

[0001] The present application relates to air compressor cooling device technical field, especially to be a kind of for air compressor self-circulation cooling device. BACKGROUND

[0002] Air compressor is a kind of mechanical energy conversion into gas pressure energy device, air compressor works, since the need to compress air, will produce a large amount of heat, make air compressor dynamic, static volute temperature sharply rises, destroys its use performance, thus need to adopt heat sink to carry out cooling.It is through the way of additional axial fan to dissipate heat, but axial fan volume, make air compressor whole equipment volume becomes large, can not meet the requirement of equipment fine development, thus under the premise of ensuring the effective heat dissipation of air compressor, further reduce the volume of air compressor is the problem urgently to be solved in industry. SUMMARY

[0003] The present application aims at overcoming the deficiencies of prior art, provides a kind of for air compressor self-circulation cooling device, to realize in reducing the volume of cooling device while ensuring cooling effect.

[0004] The present application is realized by the following technical solutions:

[0005] A kind of for air compressor self-circulation cooling device, the air compressor includes the static volute and dynamic volute of opposite arrangement, two volutes opposite side is inside, the side of opposite direction is outside, each volute inside is respectively equipped with scroll tooth, two volute outsides are respectively equipped with a group of cooling structure;

[0006] Each cooling structure includes multiple horizontal radiators, multiple horizontal radiators import end converges to a import longitudinal radiator, multiple horizontal radiators export end converges to a export longitudinal radiator, each horizontal radiator and each longitudinal radiator are in contact with volute surface on the side close to volute, import longitudinal radiator is provided with water inlet cavity inside, export longitudinal radiator is provided with water outlet cavity inside, horizontal radiator is provided with three layers of cavities from inside to outside, three layers of cavities are inside cavity, intermediate cavity and outer cavity from inside to outside in turn, intermediate cavity both ends are sealed to form airtight cavity, intermediate cavity is filled with acetone liquid, inside cavity import end and outer cavity import end are connected with the water inlet cavity of import longitudinal radiator respectively, inside cavity export end and outer cavity export end are connected with the water outlet cavity of export longitudinal radiator respectively.

[0007] As a preferred scheme of the self-circulation cooling device, the inlet longitudinal heat dissipation pipe of each cooling structure is connected with a branch inlet water pipe, and the inlet ends of the two branch inlet water pipes of the two cooling structures are connected with a total inlet water pipe; the outlet longitudinal heat dissipation pipe of each cooling structure is connected with a branch outlet water pipe, and the inlet ends of the two branch outlet water pipes of the two cooling structures are connected with a total outlet water pipe; the inlet end of the total inlet water pipe is connected with the water outlet end of the circulating water tank, and the outlet end of the total outlet water pipe is connected with the water return end of the circulating water tank.

[0008] As a preferred scheme of the self-circulation cooling device, the inlet longitudinal heat dissipation pipe is connected with the branch inlet water pipe through an inlet auxiliary heat dissipation structure, the inlet auxiliary heat dissipation structure comprises an inlet auxiliary longitudinal pipe closely attached to the outer side of the vortex disc and a plurality of inlet auxiliary transverse pipes, the inlet auxiliary longitudinal pipe is located beside the inlet longitudinal heat dissipation pipe, the longitudinal length of the inlet auxiliary longitudinal pipe is shorter than that of the inlet longitudinal heat dissipation pipe, the inlet auxiliary longitudinal pipe and the inlet longitudinal heat dissipation pipe are connected in communication through the plurality of inlet auxiliary transverse pipes, a plurality of water inlet openings are arranged on the inlet auxiliary longitudinal pipe in the longitudinal direction, the plurality of water inlet openings are respectively connected with a plurality of water inlet branch pipes, and the inlet ends of the plurality of water inlet branch pipes are connected with the branch inlet water pipe.

[0009] As a preferred scheme of the self-circulation cooling device, the outlet longitudinal heat dissipation pipe is connected with the branch outlet water pipe through an outlet auxiliary heat dissipation structure, the outlet auxiliary heat dissipation structure comprises an outlet auxiliary longitudinal pipe closely attached to the outer side of the vortex disc and a plurality of outlet auxiliary transverse pipes, the outlet auxiliary longitudinal pipe is located beside the outlet longitudinal heat dissipation pipe, the longitudinal length of the outlet auxiliary longitudinal pipe is shorter than that of the outlet longitudinal heat dissipation pipe, the outlet auxiliary longitudinal pipe and the outlet longitudinal heat dissipation pipe are connected in communication through the plurality of outlet auxiliary transverse pipes, a plurality of water outlet openings are arranged on the outlet auxiliary longitudinal pipe in the longitudinal direction, the plurality of water outlet openings are respectively connected with a plurality of water outlet branch pipes, and the outlet ends of the plurality of water outlet branch pipes are connected with the branch outlet water pipe.

[0010] As a preferred scheme of the self-circulation cooling device, the internal structure of the inlet auxiliary transverse pipe is the same as that of the transverse heat dissipation pipe.

[0011] As a preferred scheme of the self-circulation cooling device, the internal structure of the outlet auxiliary transverse pipe is the same as that of the transverse heat dissipation pipe.

[0012] Compared with the prior art, the self-circulation cooling device has the following advantages:

[0013] The self-circulation cooling device for the air compressor provided by the application effectively saves the occupied space of the cooling device by arranging the longitudinal and transverse heat dissipation pipelines on the outer side of the scroll as the cooling structure, so that the air compressor can be miniaturized to meet the requirement of the development of the equipment refinement; and the internal structure of the multiple transverse heat dissipation pipelines as the main heat dissipation components is designed as a three-layer cavity structure, the middle cavity is closed and filled with acetone liquid, the inner and outer cavities are respectively connected with the cooling water, the acetone is evaporated by heat absorption, and the continuous and efficient cooling of the scroll is realized, the cooling effect is remarkable, and the normal work of the scroll is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 is the overall view of the application.

[0015] Fig. 2 is the structure schematic view of the cooling structure on the moving scroll.

[0016] Fig. 3 is the structure schematic view of the cooling structure on the static scroll.

[0017] Fig. 4 is the cross-sectional view of the transverse heat dissipation pipeline.

[0018] Mark No. in the drawing: 1 static scroll, 2 moving scroll, 3 cooling structure, 4 transverse heat dissipation pipeline, 5 inlet longitudinal heat dissipation pipeline, 6 inner cavity, 7 middle cavity, 8 outer cavity, 9 water outlet, 10 outlet longitudinal heat dissipation pipeline, 11 divided water inlet pipeline, 12 total water inlet pipeline, 13 divided water outlet pipeline, 14 total water outlet pipeline, 15 inlet auxiliary longitudinal pipeline, 16 inlet auxiliary transverse pipeline, 17 water inlet branch pipeline, 18 outlet auxiliary longitudinal pipeline, 19 outlet auxiliary transverse pipeline, and 20 water outlet branch pipeline. DETAILED DESCRIPTION

[0019] The embodiments of the application will be described in detail below, the embodiments are implemented on the premise of the technical scheme of the application, the detailed implementation mode and specific operation process are given, but the protection scope of the application is not limited to the following embodiments.

[0020] Reference Figs. 1 to 4 The embodiment discloses a self-circulation cooling device for an air compressor, the air compressor comprises a static scroll 1 and a moving scroll 2 arranged oppositely, the opposite side of the two scrolls is the inner side, and the side away from each other is the outer side, the inner side of each scroll is respectively provided with scroll teeth, and the outer side of the two scrolls is respectively provided with a group of cooling structures 3.

[0021] Each cooling structure 3 comprises a plurality of transverse heat dissipation pipes 4, the inlet ends of the plurality of transverse heat dissipation pipes 4 are connected to an inlet longitudinal heat dissipation pipe 5, and the outlet ends of the plurality of transverse heat dissipation pipes 4 are connected to an outlet longitudinal heat dissipation pipe 10, each of the transverse heat dissipation pipes 4 and each of the longitudinal heat dissipation pipes are in contact with the surface of the scroll at the side close to the scroll, the inlet longitudinal heat dissipation pipe 5 is internally provided with a water inlet cavity, the outlet longitudinal heat dissipation pipe 10 is internally provided with a water outlet cavity, the transverse heat dissipation pipe 4 is internally provided with three layers of cavities from inside to outside, the three layers of cavities are an inner cavity 6, an intermediate cavity 7 and an outer cavity 8 from inside to outside, the intermediate cavity 7 is sealed at both ends to form a closed cavity, the intermediate cavity 7 is filled with acetone liquid, the inlet end of the inner cavity 6 and the inlet end of the outer cavity 8 are respectively connected to the water inlet cavity of the inlet longitudinal heat dissipation pipe 5, and the outlet end of the inner cavity 6 and the outlet end of the outer cavity 8 are respectively connected to the water outlet cavity of the outlet longitudinal heat dissipation pipe 10.

[0022] The inlet longitudinal heat dissipation pipe 5 of each cooling structure 3 is externally connected to a water inlet branch pipe 11, the inlet ends of the two water inlet branch pipes 11 of the two cooling structures 3 are connected to a total water inlet pipe 12, the outlet longitudinal heat dissipation pipe 10 of each cooling structure 3 is externally connected to a water outlet branch pipe 13, the inlet ends of the two water outlet branch pipes 13 of the two cooling structures 3 are connected to a total water outlet pipe 14, the inlet end of the total water inlet pipe 12 is connected to the water outlet end of a circulating water tank, and the outlet end of the total water outlet pipe 14 is connected to the water return end of the circulating water tank. A water pump is arranged on the circulating water tank, and the water pump is used to pump the cooling water in the circulating water tank into the total water inlet pipe 12.

[0023] The inlet longitudinal heat dissipation pipe 5 is connected to the water inlet branch pipe 11 through an inlet auxiliary heat dissipation structure, the inlet auxiliary heat dissipation structure comprises an inlet auxiliary longitudinal pipe 15 close to the outer side of the scroll and a plurality of inlet auxiliary transverse pipes 16, the inlet auxiliary longitudinal pipe 15 is located beside the inlet longitudinal heat dissipation pipe 5, the longitudinal length of the inlet auxiliary longitudinal pipe 15 is shorter than the longitudinal length of the inlet longitudinal heat dissipation pipe 5, the inlet auxiliary longitudinal pipe 15 and the inlet longitudinal heat dissipation pipe 5 are connected through the plurality of inlet auxiliary transverse pipes 16, a plurality of water inlets are arranged on the inlet auxiliary longitudinal pipe 15 in the longitudinal direction, the plurality of water inlets are externally connected to a plurality of water inlet branch pipes 17, and the inlet ends of the plurality of water inlet branch pipes 17 are connected to the water inlet branch pipe 11.

[0024] The internal structure of the inlet auxiliary transverse pipe 16 is the same as the internal structure of the transverse heat dissipation pipe 4. The intermediate cavity 7 in the inlet auxiliary transverse pipe 16 is filled with acetone liquid, and the inner and outer cavities in the inlet auxiliary transverse pipe 16 are respectively connected to the inlet auxiliary longitudinal pipe 15 and the inlet longitudinal heat dissipation pipe 5.

[0025] The outlet longitudinal heat dissipation pipe 10 is connected with the branch water outlet pipe 13 through an outlet auxiliary heat dissipation structure, which comprises an outlet auxiliary longitudinal pipe 18 close to the outer side of the scroll and a plurality of outlet auxiliary transverse pipes 19, the outlet auxiliary longitudinal pipe 18 is located beside the outlet longitudinal heat dissipation pipe 10, the longitudinal length of the outlet auxiliary longitudinal pipe 18 is shorter than that of the outlet longitudinal heat dissipation pipe 10, the outlet auxiliary longitudinal pipe 18 and the outlet longitudinal heat dissipation pipe 10 are connected through the plurality of outlet auxiliary transverse pipes 19, a plurality of water outlets 9 are arranged on the outlet auxiliary longitudinal pipe 18 in the longitudinal direction, the plurality of water outlets 9 are respectively connected with a plurality of water outlet branch pipes 20, and the outlet ends of the plurality of water outlet branch pipes 20 are connected with the branch water outlet pipe 13.

[0026] The internal structure of the outlet auxiliary transverse pipe 19 is the same as that of the transverse heat dissipation pipe 4. The middle cavity 7 in the outlet auxiliary transverse pipe 19 is filled with acetone liquid, and the inner and outer cavities in the outlet auxiliary transverse pipe 19 are respectively connected with the outlet auxiliary longitudinal pipe 18 and the outlet longitudinal heat dissipation pipe 10.

[0027] In operation, cold water in the circulating water tank is pumped into the total water inlet pipe 12 through the water pump, and then flows into the two sets of cooling structures 3 through the two branch water inlet pipes 11. In each set of cooling structure 3, the cold water flows through the inlet auxiliary longitudinal pipe 15, the plurality of inlet auxiliary transverse pipes 16, the inlet longitudinal heat dissipation pipe 5, the plurality of transverse heat dissipation pipes 4, the outlet longitudinal heat dissipation pipe 10, the plurality of outlet auxiliary transverse pipes 19 and the outlet auxiliary longitudinal pipe 18 in sequence, and then flows into the branch water outlet pipe 13 from the outlet auxiliary longitudinal pipe 18. The cold water in the two branch water outlet pipes 13 is then collected into the total water outlet pipe 14 and flows back to the circulating water tank, and the cold water is recycled.

[0028] The scroll of the air compressor generates heat. When the cold water flows through the plurality of inlet auxiliary transverse pipes 16 and the plurality of transverse heat dissipation pipes 4, the cold water in the outer cavities 8 of the transverse pipes absorbs the heat of the scroll to cool the scroll, and the cold water in the outer cavities 8 of the transverse pipes is heated to cause the acetone liquid in the middle cavities 7 to absorb heat and evaporate, thereby cooling the cold water in the outer cavities 8 of the transverse pipes. During the process of absorbing heat and evaporating of the acetone liquid in the middle cavities 7, the cold water in the inner cavities 6 of the transverse pipes continuously cools the acetone in the middle cavities 7, so that the acetone liquid continuously cools the water in the outer cavities 8, thereby continuously cooling the scroll with the cold water in the outer cavities 8, and ensuring the cooling effect of the scroll.

[0029] Each cooling structure 3 provided by the embodiment considers the disc structure of the vortex disc, adopts multiple horizontal heat dissipation pipes 4 as main heat dissipation components, adopts multiple outlet auxiliary horizontal pipes 19 on the left and right sides as auxiliary heat dissipation components, and realizes the communication of the horizontal pipes through longitudinal pipes, that is, the cooling structure 3 is designed as a longitudinal and horizontal staggered pipe structure, the contact area of the cooling pipe and the vortex disc is increased as much as possible, and thus the cooling effect is ensured; and the internal structures of the horizontal heat dissipation pipes 4 and the outlet auxiliary horizontal pipes 19 are designed as three-layer cavity structures, acetone is used for heat absorption and evaporation, and thus the continuous and efficient cooling of the vortex disc is realized.

[0030] The above only provides the preferred embodiment of the present application, and is not used to limit the present application, and any modification, equivalent replacement and improvement within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A self-circulating cooling device for an air compressor, the air compressor comprising a static scroll (1) and a dynamic scroll (2) arranged oppositely, the opposite side of the two scrolls is the inner side, and the side away from each other is the outer side, and each scroll is provided with scroll teeth on the inner side, characterized in that: Two volute discs are respectively provided with a group of cooling structures (3); Each group of cooling structures (3) comprises a plurality of transverse heat dissipation pipes (4), the inlet ends of the plurality of transverse heat dissipation pipes (4) are gathered on an inlet longitudinal heat dissipation pipe (5), the outlet ends of the plurality of transverse heat dissipation pipes (4) are gathered on an outlet longitudinal heat dissipation pipe (10), each transverse heat dissipation pipe (4) and each longitudinal heat dissipation pipe are in contact with the surface of the volute disc on the side close to the volute disc, the inlet longitudinal heat dissipation pipe (5) is internally provided with a water inlet cavity, the outlet longitudinal heat dissipation pipe (10) is internally provided with a water outlet cavity, the transverse heat dissipation pipe (4) is internally provided with three layers of cavities from inside to outside, the three layers of cavities are an inner cavity (6), an intermediate cavity (7) and an outer cavity (8) from inside to outside in sequence, the intermediate cavity (7) is sealed at both ends to form a closed cavity, the intermediate cavity (7) is filled with acetone liquid, the inlet end of the inner cavity (6) and the inlet end of the outer cavity (8) are respectively connected with the water inlet cavity of the inlet longitudinal heat dissipation pipe (5), the outlet end of the inner cavity (6) and the outlet end of the outer cavity (8) are respectively connected with the water outlet cavity of the outlet longitudinal heat dissipation pipe (10); The inlet longitudinal heat dissipation pipe (5) of each group of cooling structures (3) is externally connected with a water inlet branch pipe (11), the inlet ends of the two water inlet branch pipes (11) of the two groups of cooling structures (3) are gathered on a total water inlet pipe (12); the outlet longitudinal heat dissipation pipe (10) of each group of cooling structures (3) is externally connected with a water outlet branch pipe (13), the outlet ends of the two water outlet branch pipes (13) of the two groups of cooling structures (3) are gathered on a total water outlet pipe (14); the inlet end of the total water inlet pipe (12) is connected to the water outlet end of a circulating water tank, the outlet end of the total water outlet pipe (14) is connected to the water return end of the circulating water tank; The inlet longitudinal heat dissipation pipe (5) is connected with the water inlet branch pipe (11) through an inlet auxiliary heat dissipation structure, the inlet auxiliary heat dissipation structure comprises an inlet auxiliary longitudinal pipe (15) close to the volute disc and a plurality of inlet auxiliary transverse pipes (16), the inlet auxiliary longitudinal pipe (15) is located on the side of the inlet longitudinal heat dissipation pipe (5), the longitudinal length of the inlet auxiliary longitudinal pipe (15) is shorter than the longitudinal length of the inlet longitudinal heat dissipation pipe (5), the inlet auxiliary longitudinal pipe (15) and the inlet longitudinal heat dissipation pipe (5) are connected through the plurality of inlet auxiliary transverse pipes (16), a plurality of water inlets are arranged on the inlet auxiliary longitudinal pipe (15) in the longitudinal direction, the plurality of water inlets are externally connected with a plurality of water inlet branch pipes (17), the inlet ends of the plurality of water inlet branch pipes (17) are connected with the water inlet branch pipe (11). The outlet longitudinal heat dissipation pipe (10) is connected with the branch water outlet pipe (13) through an outlet auxiliary heat dissipation structure, the outlet auxiliary heat dissipation structure comprises an outlet auxiliary longitudinal pipe (18) close to the outer side of the scroll and a plurality of outlet auxiliary transverse pipes (19), the outlet auxiliary longitudinal pipe (18) is located beside the outlet longitudinal heat dissipation pipe (10), the longitudinal length of the outlet auxiliary longitudinal pipe (18) is shorter than the longitudinal length of the outlet longitudinal heat dissipation pipe (10), the outlet auxiliary longitudinal pipe (18) and the outlet longitudinal heat dissipation pipe (10) are connected in communication through the plurality of outlet auxiliary transverse pipes (19), a plurality of water outlets (9) are arranged on the outlet auxiliary longitudinal pipe (18) in the longitudinal direction, the plurality of water outlets (9) are respectively connected with a plurality of water outlet branch pipes (20), and outlet ends of the plurality of water outlet branch pipes (20) are connected with the branch water outlet pipe (13).

2. A self-circulation cooling device for an air compressor according to claim 1, wherein: The internal structure of the inlet auxiliary transverse pipe (16) is the same as that of the transverse heat dissipation pipe (4).

3. A self-circulating cooling device for an air compressor as claimed in claim 1, characterized in that: The internal structure of the outlet auxiliary transverse pipe (19) is the same as that of the transverse heat dissipation pipe (4).

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