CN110195704B

CN110195704B - Heat radiator for be used for helical-lobe compressor

Info

Publication number: CN110195704B
Application number: CN201910510668.3A
Authority: CN
Inventors: 杜贤平; 杭文斌; 华青梅; 杨旭; 徐根山
Original assignee: Kochem Electric Appliance Co Ltd
Current assignee: Kochem Electric Appliance Co Ltd
Priority date: 2019-06-13
Filing date: 2019-06-13
Publication date: 2020-11-13
Anticipated expiration: 2039-06-13
Also published as: CN110195704A

Abstract

The invention discloses a heat dissipation device for a screw compressor. Relates to the technical field of heat dissipation devices. The invention comprises a heat dissipation pipe cavity; an air blower is arranged at an air inlet of the heat dissipation pipe cavity; an exhaust fan is arranged at an air outlet of the heat dissipation pipe cavity; one end of the air inlet of the heat dissipation pipe cavity extends into a plurality of evenly distributed oil pipes; the oil pipe extends out of one end of the air outlet of the heat dissipation pipe cavity; a plurality of spiral radiators are arranged on any oil pipe; the spiral radiator comprises a spiral radiating structure positioned in the middle and guiding and shunting structures positioned at two ends. After the blower and the exhaust fan are turned on, air flow is formed in the radiating pipe cavity along the radial direction; under the action of wind force, the spiral radiator rotates; meanwhile, lubricating oil in the oil pipe enters the corresponding spiral radiating fins through the oil conveying pipe, the drainage hole and the drainage pipe, and when the spiral radiator rotates, the lubricating oil is filled in the cavities of the whole spiral radiating fins, so that heat dissipation and cooling are accelerated, and the heat dissipation and cooling efficiency is improved.

Description

Heat radiator for be used for helical-lobe compressor

Technical Field

The invention belongs to the technical field of heat dissipation devices, and particularly relates to a heat dissipation device for a screw compressor.

Background

The screw air compressor adopts a pre-manufactured screw air compressor which is only connected with a single power supply and compressed air, and is internally provided with a cooling system, so that the installation work is greatly simplified. The screw air compressor consistently provides high-quality compressed air for various industries due to the advantages of high efficiency, no maintenance, high reliability and the like.

After the lubricating oil and the air in the screw compressor are separated by the oil-gas separator, the compressed air is cooled and then utilized, and the separated lubricating oil is cooled and then utilized again.

The invention provides a heat dissipation device for a screw compressor, which realizes efficient and convenient heat dissipation and cooling of high-temperature lubricating oil, is convenient and quick, and is economical and efficient.

Disclosure of Invention

The invention aims to provide a heat dissipation device for a screw compressor, wherein lubricating oil in an oil pipe enters corresponding spiral heat dissipation fins through an oil pipe, a drainage hole and a drainage pipe, and when the spiral heat dissipation fins rotate, the lubricating oil fills cavities of the whole spiral heat dissipation fins, so that heat dissipation and cooling are accelerated, and the heat dissipation and cooling efficiency is improved.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the invention is a heat sink for a screw compressor, comprising: a heat dissipation tube cavity;

an air blower is arranged at an air inlet of the heat dissipation pipe cavity; an exhaust fan is arranged at an air outlet of the heat dissipation pipe cavity; one end of the air inlet of the heat dissipation pipe cavity extends into a plurality of evenly distributed oil pipes; the oil pipe extends out of one end of the air outlet of the heat dissipation pipe cavity; an annular fixing frame for fixing the oil pipe is arranged on the inner side wall of the heat dissipation pipe cavity; the annular fixing frame is provided with a clamp for clamping and fixing the oil pipe, so that the oil pipe can be conveniently fixed;

a plurality of spiral radiators are arranged on any oil pipe; the spiral radiator comprises a spiral radiating structure positioned in the middle and diversion flow structures positioned at two ends; the spiral heat dissipation structure comprises a first fixing shaft; a plurality of spiral radiating fins are annularly and uniformly distributed on the outer peripheral side of the first fixed shaft; the spiral radiating fin is provided with a cavity structure, two ends of the cavity structure are opened, the spiral radiating fin is of a hollow structure with a thin-wall structure, and lubricating oil flows through the spiral radiating fin to increase radiating and cooling; the spiral radiating fins form a spherical cut shape, wherein the spherical cut shape is the shape remained after the spherical body is cut off through two parallel planes; the channel formed by the two spiral radiating fins has the same direction with the wind flow;

the diversion structure comprises an oil pipeline; a drainage disc is fixed at the bottom of the oil delivery pipe; a second fixed shaft is fixed on the outer bottom surface of the drainage disc; a plurality of drainage tubes are annularly and uniformly distributed on the peripheral side of the second fixed shaft; one end of the drainage tube is communicated with the opening end of the spiral radiating fin; the other end of the drainage tube is communicated with a drainage hole formed in the bottom surface of the drainage tray; the oil delivery pipe is rotationally connected with the oil pipe through a rotary joint; in the using process, after the blower and the exhaust fan are turned on, air flow is formed in the radiating pipe cavity along the radial direction; at the moment, the first fixed shaft of the spiral radiator on the oil pipe is parallel to the radial direction of the radiating pipe cavity, and the spiral radiator rotates under the action of wind power. Simultaneously, lubricating oil in the oil pipe enters into corresponding spiral radiating fin through defeated oil pipe, drainage hole and drainage tube, and when spiral radiator was rotatory, lubricating oil was full of the cavity of whole spiral radiating fin, and the cooling of dispelling the heat with higher speed improves the cooling efficiency of dispelling the heat.

Preferably, the first fixed shaft is a tubular structure; the second fixed shaft is of a cylindrical structure; the side wall of the first fixed shaft is fixedly connected with the side wall of the second fixed shaft through screws, so that the mounting and dismounting are convenient; inside the fixed hemisphere lug in the outer bottom surface of second fixed axle stretched into defeated oil pipe, adopted the hemisphere lug, made things convenient for the intraductal lubricating oil of defeated oil to enter into the drainage hole along the cambered surface of hemisphere lug, indirectly improved radiating efficiency.

Preferably, constitute oil pipe, drainage dish, second fixed axle and the drainage tube formula structure as an organic whole of diversion structure adopts the integral type structure, reduces too much connection, improves the leakproofness.

Preferably, the open end of the spiral fin is provided with an annular notch; the annular notch is communicated with the interior of the spiral radiating fin; one end of the drainage tube is provided with a connecting convex ring; the connecting convex ring is connected with the annular notch in a matching way; the periphery of the connecting convex ring is also sleeved with a sealing gasket, so that the sealing property is improved.

Preferably, the spiral radiating fins correspond to the drainage tubes one by one; the shape and size of the opening end of the spiral radiating fin are the same as those of the opening end of the drainage tube.

The blower is fixed at one end of the heat dissipation pipe cavity through a plurality of connecting rods which are uniformly distributed in an annular manner; the exhaust fan is fixed at the other end of the heat dissipation pipe cavity through a plurality of connecting rods which are uniformly distributed in an annular manner; the connecting rod is parallel to the radial direction of the heat dissipation pipe cavity.

Preferably, a plurality of annular frames for installing oil pipes are arranged on the inner peripheral side of the radiating pipe cavity; the outer periphery of the annular frame is connected with the inner periphery of the cavity of the radiating pipe through a second connecting rod; the oil pipe is matched with a through hole formed in one end face of the annular frame.

The invention has the following beneficial effects:

after the blower and the exhaust fan are turned on, air flow is formed in the radiating pipe cavity along the radial direction; under the action of wind force, the spiral radiator rotates; meanwhile, lubricating oil in the oil pipe enters the corresponding spiral radiating fins through the oil conveying pipe, the drainage hole and the drainage pipe, and when the spiral radiator rotates, the lubricating oil is filled in the cavities of the whole spiral radiating fins, so that heat dissipation and cooling are accelerated, and the heat dissipation and cooling efficiency is improved.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a heat sink for a screw compressor according to the present invention;

FIG. 2 is a lower view of FIG. 1;

FIG. 3 is a schematic structural view of the spiral radiator with two ends connected with oil pipes;

FIG. 4 is a schematic structural diagram of a spiral heat dissipation structure of the spiral heat sink of the present invention and a top view thereof;

FIG. 5 is a schematic structural view and a top view of a heat dissipation tube cavity according to the present invention;

fig. 6 is a schematic structural view of the current-guiding and dividing structure of the spiral heat sink in the present invention and a left side view thereof.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.

The first embodiment is as follows:

referring to fig. 1-6, the present invention provides a heat dissipation device for a screw compressor, including: a heat dissipation tube cavity 1;

an air blower 11 is arranged at an air inlet of the heat dissipation pipe cavity 1; an exhaust fan 12 is arranged at an air outlet of the heat dissipation pipe cavity 1; one end of an air inlet of the heat dissipation pipe cavity 1 extends into a plurality of evenly distributed oil pipes 2; the oil pipe 2 extends out of one end of the air outlet of the heat dissipation pipe cavity 1; an annular fixing frame for fixing the oil pipe 2 is arranged on the inner side wall of the heat dissipation pipe cavity 1;

the annular fixing frame is provided with a clamp for clamping and fixing the oil pipe 2, so that the oil pipe can be conveniently fixed;

a plurality of spiral radiators 3 are arranged on any oil pipe 2; the spiral radiator 3 comprises a spiral radiating structure positioned in the middle and guiding and shunting structures positioned at two ends; the spiral heat dissipation structure includes a first fixing shaft 31; a plurality of spiral radiating fins 32 are annularly and uniformly distributed on the outer peripheral side of the first fixed shaft 31; the spiral radiating fins 32 are provided with cavity structures, and two ends of each cavity structure are opened; the spiral radiating fins 32 are hollow structures with thin-wall structures, and lubricating oil flows through the spiral radiating fins 32 to increase heat dissipation and cooling; the plurality of spiral radiating fins 32 form a spherical shape; the spherical cutting shape is the shape remained after the spherical body is cut off through two planes which are parallel to each other; the channels formed by the two spiral radiating fins 32 have the same direction with the wind flow;

the diversion structure comprises an oil delivery pipe 33; a flow guide disc 34 is fixed at the bottom of the oil delivery pipe 33; the outer bottom surface of the drainage plate 34 is fixed with a second fixed shaft 341; a plurality of drainage tubes 342 are annularly and uniformly distributed on the peripheral side of the second fixed shaft 341; one end of the draft tube 342 is communicated with the open end of the spiral radiating fin 32; the other end of the drainage tube 342 is communicated with a drainage hole 343 arranged on the bottom surface of the drainage tray 34; the oil delivery pipe 33 is rotationally connected with the oil pipe 2 through a rotary joint; in the specific use process, after the blower 11 and the exhaust fan 12 are turned on, air flow is formed in the heat dissipation pipe cavity 1 along the radial direction; at this time, the first fixing shaft 31 of the spiral radiator 3 on the oil pipe 2 is parallel to the radial direction of the radiating pipe cavity 1, and the spiral radiator 3 rotates under the action of wind. Meanwhile, the lubricating oil in the oil pipe 2 enters the corresponding spiral radiating fins 32 through the oil conveying pipe 33, the drainage hole 343 and the drainage pipe 342, and when the spiral radiator 3 rotates, the lubricating oil is filled in the cavities of the whole spiral radiating fins 32, so that the heat dissipation and cooling are accelerated, and the heat dissipation and cooling efficiency is improved.

Wherein, the first fixed shaft 31 is a tubular structure; the second fixed shaft 341 has a cylindrical structure; the side wall of the first fixed shaft 31 is fixedly connected with the side wall of the second fixed shaft 341 through screws, so that the assembly and disassembly are convenient; inside the fixed hemisphere lug 344 in second fixed axle 341 outer bottom surface stretched into defeated oil pipe 33, adopted the hemisphere lug, made things convenient for the lubricating oil in defeated oil pipe 33 to enter into drainage hole 343 along the cambered surface of hemisphere lug in, improved radiating efficiency indirectly.

The oil delivery pipe 33, the drainage disc 34, the second fixed shaft 341 and the drainage pipe 342 which form the drainage and distribution structure are of an integrated structure, and the integrated structure is adopted, so that excessive connection is reduced, and the sealing performance is improved.

Wherein, the open end of the spiral radiating fin 32 is provided with an annular notch; the annular notch is communicated with the inside of the spiral radiating fin 32; one end of the drainage tube 342 is provided with a connecting convex ring; the connecting convex ring is connected with the annular notch in a matching way; the periphery of the connecting convex ring is also sleeved with a sealing gasket, so that the sealing property is improved.

Wherein, the spiral radiating fins 32 are in one-to-one correspondence with the drainage tubes 342; the open end of the spiral fin 32 and the open end of the draft tube 342 are all the same size.

Wherein, the blower 11 is fixed at one end of the heat radiation pipe cavity 1 through a plurality of connecting rods 13 which are uniformly distributed in a ring shape; the exhaust fan 12 is fixed at the other end of the heat radiation pipe cavity 1 through a plurality of connecting rods 13 which are evenly distributed in a ring shape.

Wherein, the inner circumference of the heat dissipation pipe cavity 1 is provided with a plurality of annular frames 4 for installing the oil pipe 2; the outer periphery side of the annular frame 4 is connected with the inner periphery side of the heat dissipation pipe cavity 1 through a second connecting rod 41; the oil pipe 2 is matched with a through hole formed in one end face of the annular frame 4.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. A heat sink for a screw compressor, comprising: a heat dissipation tube cavity (1); an air blower (11) is arranged at an air inlet of the heat dissipation pipe cavity (1); an exhaust fan (12) is arranged at an air outlet of the heat dissipation pipe cavity (1); one end of an air inlet of the heat dissipation pipe cavity (1) extends into a plurality of evenly distributed oil pipes (2); the oil pipe (2) extends out of one end of an air outlet of the heat dissipation pipe cavity (1);

a plurality of spiral radiators (3) are arranged on any oil pipe (2); the spiral radiator (3) comprises a spiral radiating structure positioned in the middle and guiding and shunting structures positioned at two ends; the spiral heat dissipation structure comprises a first fixing shaft (31); a plurality of spiral radiating fins (32) are annularly and uniformly distributed on the outer peripheral side of the first fixed shaft (31); the spiral radiating fin (32) is provided with a cavity structure, and two ends of the cavity structure are opened; the spiral radiating fins (32) form a spherical shape;

the diversion structure comprises an oil delivery pipe (33); a diversion disc (34) is fixed at the bottom of the oil delivery pipe (33); a second fixed shaft (341) is fixed on the outer bottom surface of the drainage disc (34); a plurality of drainage tubes (342) are annularly and uniformly distributed on the peripheral side of the second fixed shaft (341); one end of the draft tube (342) is communicated with the open end of the spiral radiating fin (32); the other end of the drainage tube (342) is communicated with a drainage hole (343) formed in the bottom surface of the drainage disc (34); the oil delivery pipe (33) is rotatably connected with the oil pipe (2) through a rotary joint.

2. -heat sink for a screw compressor according to claim 1, characterised in that the first fixed shaft (31) is of tubular construction; the second fixed shaft (341) is of a cylindrical structure; the side wall of the first fixed shaft (31) is fixedly connected with the side wall of the second fixed shaft (341) through a screw; the hemispherical convex block (344) fixed on the outer bottom surface of the second fixed shaft (341) extends into the oil delivery pipe (33).

3. The heat dissipating arrangement for a screw compressor according to claim 1, wherein the oil delivery pipe (33), the drainage tray (34), the second fixed shaft (341) and the drainage pipe (342) constituting the drainage and flow dividing structure are of an integrated structure.

4. The heat sink for a screw compressor according to claim 1, wherein the open end of the helical fin (32) is provided with an annular notch; the annular notch is communicated with the inside of the spiral radiating fin (32); one end of the drainage tube (342) is provided with a connecting convex ring; the connecting convex ring is connected with the annular notch in a matching way; the periphery of the connecting convex ring is also sleeved with a sealing gasket.

5. The heat dissipating arrangement for a screw compressor according to claim 1, wherein the spiral fins (32) are in one-to-one correspondence with the draft tubes (342); the open end of the spiral radiating fin (32) and the open end of the draft tube (342) are the same in shape and size.

6. The heat sink of screw compressor according to claim 1, wherein the blower (11) is fixed at one end of the heat sink tube cavity (1) by a plurality of first connecting rods (13) distributed uniformly in a ring shape; the exhaust fan (12) is fixed at the other end of the heat dissipation pipe cavity (1) through a plurality of first connecting rods (13) which are uniformly distributed in an annular mode.

7. The heat sink of screw compressor according to claim 1, wherein the inner circumference of the heat sink pipe cavity (1) is provided with a plurality of annular frames (4) for mounting the oil pipe (2); the outer periphery of the annular frame (4) is connected with the inner periphery of the heat dissipation pipe cavity (1) through a second connecting rod (41); the oil pipe (2) is matched with a through hole formed in one end face of the annular frame (4).