KR101464952B1 - Cooling apparatus of compact type - Google Patents

Abstract

The present invention relates to a compact type cooling apparatus for an air compressor which installs each composition for cooling and filtering compressed air inside a square frame to be appropriately arranged in order to constitute the same in a compact way, and improves exterior suction and discharge structures. According to the present invention, the compact type cooling apparatus for an air compressor comprises: a rectangular box-shaped cooling frame having an accommodation part inside; a cooling unit to cool high-temperature and high-pressure compressed air flowed in from the air compressor; a heat exchanger tank where the compressed air cooled by the cooling unit is stored thereto; a refrigerant inlet pipe and a refrigerant outlet pipe which are connected to the heat exchanger tank; a refrigerant connection pipe mutually connecting the inlet pipe and the outlet pipe; a refrigerating cycle unit for refrigerating operation of a refrigerant; and a discharging unit to discharge the compressed air stored in the heat exchanger tank to the outside.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a cooling apparatus for an air compressor,

The present invention relates to a cooling device in which a structure for cooling and filtering compressed air in one frame is designed so as to be disposed in a proper place, thereby making the overall size compact.

With respect to the cooling device in the air compressor,

(Hereinafter referred to as "prior art") of the Korean Utility Model Registration No. 20-0303920 (registered on Jan. 29, 2003), a cooling unit fixing structure for a screw air compressor,

In the prior art, the vertical base is fixed on the upper corner of the square bottom plate, the auxiliary base is vertically fixed between the front base and the back base, and the upper base and the auxiliary base are connected to the horizontal / A horizontal support for supporting a cooling unit is provided between the front and rear auxiliary supports, a motor is fixed to a side of the horizontal support, and a motor And a circulation pipe assembly is installed on the upper part of the blowing fan to effectively fix the cooling unit for cooling the compressed air and the compression oil to the proper place of the main frame without a separate frame.

The present applicant has proposed a compact type air conditioner in which a high-temperature and high-pressure compressed air generated by an air compressor is cooled and filtered through a separate cooling device, Cooling system.

An object of the present invention is to provide a cooling device that is compactly designed by arranging a cooling device structure connected to an air compressor and capable of cooling compressed air generated by an air compressor, in a separate frame.

According to an aspect of the present invention, there is provided a compact type cooling apparatus for an air compressor,

A rectangular box-shaped cooling frame having an inner receiving portion;

A cooling unit disposed in a receiving portion of the cooling frame for cooling the high-temperature, high-pressure compressed air introduced from the air compressor;

A heat exchange tank disposed in a receiving portion of the cooling frame and storing the compressed air cooled by the cooling unit;

A refrigerant inlet pipe and an outlet pipe connected to the heat exchange tank;

A refrigerant relay pipe interconnecting the inflow pipe and the outflow pipe to pass through the heat exchange tank;

A refrigerating cycle unit disposed in a receiving portion of the cooling frame and interposed in the inlet pipe and the outlet pipe for refrigerating the refrigerant; And

A discharge unit for discharging the compressed air stored in the heat exchange tank to the outside;

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The receiving portion of the cooling frame is divided into upper and lower receiving portions and bottom receiving portions by being partitioned by the partition walls,

Wherein the cooling frame further includes a top and bottom ventilation openings respectively formed in the top and bottom housing side walls,

Wherein the cooling unit includes a housing coupled to an inner wall of a receiving portion of the cooling frame, a compressed air supply pipe for interconnecting the air compressor and the housing, a compressed air relay tube for interconnecting the housing and the heat exchange tank, And a blower having an impeller for blowing the air introduced from the tower vent to the housing side,

Wherein the heat exchange tank has a vertical structure having vertical lengths and is disposed upright on the bottom receiving portion side in the receiving portion of the cooling frame,

The refrigeration cycle unit includes a compressor connected to the inflow pipe and mounted on the bottom of the bottom accommodating portion for compressing the refrigerant, a high-temperature and high-pressure refrigerant installed in the bottom accommodating portion side wall of the refrigeration frame, An expansion valve connected to the outlet pipe for reducing the pressure of the liquid refrigerant by the condenser to a low pressure and an evaporator interposed between the outlet pipe and the expansion valve to vaporize the refrigerant decompressed by the expansion valve .

The heat exchange tank is fixed to the bottom housing wall of the cooling frame, and an upper end of the heat exchange tank is supported by the partition wall,

And the compressed air relay pipe of the cooling unit is connected to the heat exchange tank through the partition wall.

And the cooling frame further includes a duct case having a lower side and a lower side, the lower side of which is connected to the top and bottom ventilation openings, and an inflow passage formed to be spaced apart from the installation floor .

And the cooling frame is formed with a top base portion on an upper side of the housing of the cooling unit and a bottom exhaust portion on a wall adjacent to the bottom air outlet in the bottom accommodating portion.

In the compact type cooling device for an air compressor according to the present invention,

There is a great effect in providing a cooling device in which cooling and filtration processing structures are appropriately arranged in one frame.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a three-dimensional view showing a compact type cooling device for an air compressor according to the present invention,
Fig. 2 is a front structural view of Fig. 1,
3 is a side structural view of Fig.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Prior to this, terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary terms, and the inventor should appropriately interpret the concepts of the terms appropriately It should be interpreted in accordance with the meaning and concept consistent with the technical idea of the present invention based on the principle that it can be defined. Therefore, the embodiments described in the present specification and the configurations shown in the drawings are merely the most preferred embodiments of the present invention and are not intended to represent all of the technical ideas of the present invention. Therefore, various equivalents It should be understood that water and variations may be present.

1, the top accommodating portion side is designated as the upper or upper side, and the bottom accommodating portion side is specified as the lower or lower direction.

1 to 3, a compact type cooling apparatus for an air compressor according to the present invention includes:

The cooling unit 20, the heat exchange tank 30, the inflow and outflow pipes 40A and 40B, the refrigerant relay pipe 40C, the refrigeration cycle unit 50 and the discharge unit 60 .

Looking at each configuration,

The cooling frame 10

As shown in Figs. 1 and 2,

The inner accommodating portion (11)

(A four-sided surface and a top and a bottom cage).

At this time, the receiving portion 11 is divided into upper and lower receiving portions 11A and 11B by the partition wall 12,

The partition wall 12 functions to block the convection phenomenon between the cooling unit 20 and the refrigeration cycle unit 50 and to prevent the heat exchange tank 30 and the compressed air relay pipe 23 As shown in Fig.

The cooling frame 10 further includes top and bottom ventilation openings 13A and 13B respectively formed in the top and bottom accommodating portions 11A and 11B,

The top and bottom ventilation openings 13A and 13B are formed with a plurality of holes, and external air can flow in.

The cooling frame 10 has a top base portion 14A on the housing 21 side of a cooling unit 20 to be described later and a bottom exhaust portion 13B on the wall adjacent to the bottom air outlet 13B in the bottom accommodating portion 13B. (14B) are formed.

At this time, the top and bottom exhaust portions 14A and 14B are formed of a plurality of holes, and the internal air can be discharged.

3, the cooling frame 10 covers the rear side of the tower and the bottom ventilation openings 13A and 13B and the inner passages to the top and bottom ventilation openings 13A and 13B, that is, the top and bottom ventilation openings 13A and 13B and a duct case 15 having a lower opening to be connected therewith and an inflow passage 152 formed to be spaced from the installation floor.

Therefore, the outside air flows into the inflow passage 152 of the duct case 15 and flows into the top and bottom ventilation openings 13A and 13B through the inside passage 151, respectively.

In this case, the inflow passage 152 of the duct case 15 is formed at a position spaced apart from the installation floor adjacent to the installation floor. The cold air staying in the floor is introduced into the cooling unit The blower 24 of the refrigeration cycle unit 20 and the condenser 52 of the refrigeration cycle unit 50 to be described later to maximize the cooling efficiency.

The cooling unit 20

As shown in Figure 2,

For cooling the high-temperature, high-pressure compressed air introduced from the air compressor,

A housing 21 coupled to the upper inner wall of the tower accommodating portion 11A in the accommodating portion 11 of the cooling frame 10 and having a hollow structure,

A compressed air supply pipe 22 interconnecting the air compressor and the housing 21,

A compressed air relay tube (23) for interconnecting the housing (21) and the heat exchange tank (30), and

A blower 24 mounted on the lower portion of the housing 21 and having an impeller 241 for blowing the air introduced from the tower air vent 13A to the housing 21 side,

.

One end of the supply pipe 22 is connected to one side of the housing 21 and the other end of the supply pipe 22 is connected to the air compressor through the wall in which the tower ventilation hole 13A is formed in the cooling frame 10 do.

One end of the compressed air relay pipe 23 is connected to the other side of the housing 21 and the other end of the compressed air relay pipe 23 is connected to the side of the heat exchange tank 30 after vertically penetrating the partition wall 12.

The air flowing into the tower ventilation hole 13A is blown toward the lower side of the housing 21 by the rotation operation of the impeller 241 of the blower 24 so that the air passes through the housing 21 from the supply pipe 22, The compressed air flowing into the compressed air relay pipe 23 is cooled.

The air blown by the impeller 241 of the blower 24 is exhausted to the outside via the top base portion 14A of the cooling frame 10. [

The heat exchange tank (30)

As shown in Figure 2,

The compressed air cooled by the cooling unit 20 is stored,

And is vertically fixed to the bottom portion 11B side of the receiving portion 11 of the cooling frame 10 so that the top end of the bottom portion 11B is supported by the partition wall 12 .

The inlet pipe 40A

As shown in Figs. 1 and 2,

And a tube connected to a lower portion of the heat exchange tank 30 to receive the refrigerant.

The outlet pipe 40B

As shown in Figs. 1 and 2,

And a tube which is connected to the lower part of the heat exchange tank 30 adjacent to the inflow pipe 40A and through which the refrigerant flows.

The refrigerant relay pipe (40C)

As shown in Figure 1,

And a pipe connecting the inlet pipe (40A) and the outlet pipe (40B) so as to pass through the inside of the heat exchange tank (30).

In other words, the refrigerant relay pipe 40C has an end connected to the heat exchange tank 30 at the inlet pipe 40A and an end connected to the heat exchange tank 30 at the outlet pipe 40B And a tube having a structure that is interconnected and embedded in the heat exchange tank (30).

Therefore, the refrigerant flowing through the inlet pipe 40A passes through the refrigerant relay pipe 40C to the outlet pipe 40B.

The refrigeration cycle unit (50)

As shown in Figure 2,

And is interposed in the inflow pipe (40A) and the outflow pipe (40B) for cooling the refrigerant.

A compressor 51 connected to the inflow pipe 40A and mounted on the bottom of the bottom accommodating portion 11B to compress the refrigerant,

A condenser 52 mounted on the wall of the bottom portion 11B of the cooling frame 10 for condensing and liquefying the high temperature and high pressure refrigerant by the compressor 51,

An expansion valve (53) connected to the outflow pipe (40B) for reducing the pressure of the liquid refrigerant by the condenser (52) to a low pressure, and

An evaporator 54 disposed in the outlet pipe 40B and the expansion valve 53 for evaporating the refrigerant decompressed by the expansion valve 53;

.

At this time, the condenser 52 includes two supports 521 installed on both sides of the bottom vent 13B in the wall where the bottom vent 13B of the cooling frame 10 is positioned, A condensing relay pipe 523 for connecting the compressor 51 and the condensing pipe 522 and a condenser pipe 523 fixedly installed between the two supports 521, And a condensing impeller 524 for sucking air from the bottom vent 13B.

The other end of the outlet pipe 40B, that is, the opposite end of the end connected to the heat exchange tank 30 is connected to the condensing pipe 522.

Accordingly, the air introduced from the bottom ventilation opening 13B is blown into the condensing tube 522 by the rotation operation of the condensing impeller 524, thereby condensing and liquefying the refrigerant passing through the condensing tube 522, Flows into the outflow pipe 40B,

The liquefied refrigerant flowing into the expansion valve (53) connected to the outlet pipe (40B) is depressurized to a low pressure by the expansion valve (53)

The refrigerant decompressed by the expansion valve 53 is vaporized while passing through the evaporator 54. The vaporized refrigerant passes through the refrigerant relay pipe 40C through the outlet pipe 40B and flows into the heat exchange tank 30 The heat of the compressed air in the air is absorbed.

The discharge unit (60)

As shown in Figs. 1 and 2,

And is for discharging the compressed air stored in the heat exchange tank 30 to the outside by being disposed in the bottom accommodating portion 11B in the accommodating portion 11 of the cooling frame 10,

A discharge pipe 61 whose one end is connected to the intermediate side of the heat exchange tank 30 and whose other end is exposed to the outside through the wall of the cooling frame 10,

Two or more filter members 62 for filtering contaminants contained in the compressed air provided on the discharge pipe 61,

.

Accordingly, the compressed air cooled in the heat exchange tank 30 is filtered by the two or more filter members 62 while being discharged through the discharge pipe 61, and then discharged to the outside.

While the present invention has been described with reference to the accompanying drawings, it should be understood that various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the present invention as defined by the appended claims. Modifications are to be construed as falling within the scope of protection of the present invention.

10: Cooling frame
11: accommodating portion 11A: tower accommodating portion
11B: bottom receptacle 12: partition wall
13A: Top ventilation hole 13B: Bottom ventilation hole
14A: Upper base portion 14B: Bottom exhaust portion
15: duct case 151: internal passage
152: inlet passage
20: cooling unit
21: housing 22: supply pipe
23: Compressed air relay tube 24: Blower
241: Impeller
30: Heat exchange tank
40A: inlet pipe
40B: Outflow tube
40C: Refrigerant relay tube
50: Refrigeration cycle unit
51: compressor 52: condenser
521: Support 522: Condenser tube
523: condensation relay tube 524: condensing impeller
53: expansion valve 54: evaporator
60: exhaust unit
61: exhaust pipe 62: filter member

Claims (4)

A rectangular box-shaped cooling frame having an inner receiving portion;
A cooling unit disposed in a receiving portion of the cooling frame for cooling the high-temperature, high-pressure compressed air introduced from the air compressor;
A heat exchange tank disposed in a receiving portion of the cooling frame and storing the compressed air cooled by the cooling unit;
A refrigerant inlet pipe and an outlet pipe connected to the heat exchange tank;
A refrigerant relay pipe interconnecting the inflow pipe and the outflow pipe to pass through the heat exchange tank;
A refrigerating cycle unit disposed in a receiving portion of the cooling frame and interposed in the inlet pipe and the outlet pipe for refrigerating the refrigerant; And
A discharge unit for discharging the compressed air stored in the heat exchange tank to the outside;
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The receiving portion of the cooling frame is divided into upper and lower receiving portions and bottom receiving portions by being partitioned by the partition walls,
Wherein the cooling frame further includes a top and bottom ventilation openings respectively formed in the top and bottom housing side walls,
Wherein the cooling unit includes a housing coupled to an inner wall of a receiving portion of the cooling frame, a compressed air supply pipe for interconnecting the air compressor and the housing, a compressed air relay tube for interconnecting the housing and the heat exchange tank, And a blower having an impeller for blowing the air introduced from the tower vent to the housing side,
Wherein the heat exchange tank has a vertical structure having vertical lengths and is disposed upright on the bottom receiving portion side in the receiving portion of the cooling frame,
The refrigeration cycle unit includes a compressor connected to the inflow pipe and mounted on the bottom of the bottom accommodating portion for compressing the refrigerant, a high-temperature and high-pressure refrigerant installed in the bottom accommodating portion side wall of the refrigeration frame, An expansion valve connected to the outlet pipe for reducing the pressure of the liquid refrigerant by the condenser to a low pressure and an evaporator interposed between the outlet pipe and the expansion valve to vaporize the refrigerant decompressed by the expansion valve And a cooling device for the air compressor.
The method according to claim 1,
Wherein the heat exchange tank is fixed to the bottom receiving wall of the cooling frame,
And the compressed air relay tube of the cooling unit is connected to the heat exchange tank through the partition wall.
The method according to claim 1,
The cooling frame further includes a duct case having a lower side and a lower side, and a duct case having an inner passage to the top and bottom ventilation openings and an inflow passage opening downwardly connected to the top and bottom ventilation openings, And a cooling device for cooling the air compressor.
4. The method according to any one of claims 1 to 3,
Wherein the cooling frame is formed with a top bulk portion on an upper side of the housing of the cooling unit and a bottom exhaust portion on a wall adjacent to the bottom vent in the bottom accommodating portion.

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