KR101339258B1 - Separator cooler unit - Google Patents

Abstract

According to an embodiment of the present invention specification, a separator cooler unit comprises: a separator cooler for filtering foreign substances from supplied gas and discharging them at the same time; a drain valve for opening and closing a foreign substance discharge passage; and a noise remover which is installed at the end part of the foreign substance discharge passage for reducing the noise generated by the foreign substances being discharged with gas. The noise remover comprises: a noise remover housing having a drain port connected to the foreign substance discharge passage; a fixing pin which is fixed and arranged in the longitudinal direction at the center of the train port; a porous hole plate which is arranged to block the entrance of the drain port by being fixed on one end of the fixing pin and which has multiple through holes; and a diaphragm which is adhered closely to the outer periphery of the noise remover housing for blocking the exit of the drain port and which discharges the gas and foreign substances by forming a gap between the outer periphery. Hence, the foreign substances and gas which are passing through a drain port having relatively big inner diameter, pass through the through holes on the porous hole plate, which reduces the noise for the first time; and they passes through the gap between the diaphragm and noise remover housing, the noise is reduced for the second time.

Description

SEPARATOR COOLER UNIT

The present invention relates to a separator cooler unit which filters water components and foreign substances contained in the supplied compressed air and simultaneously cools them to the air treatment apparatus.

Generally, in a large vehicle such as a commercial vehicle, high-pressure compressed air generated from an air compressor is stored in an air tank, and compressed air in an air tank is used as a braking force when the vehicle is braked.

The high-pressure compressed air generated by the air compressor is cooled and purified through a separator cooler unit, an air dryer, which is a compressed air processing unit, and then supplied to a plurality of air tanks through a branch valve.

Generally, since the high-pressure compressed air generated by the air compressor is at a high temperature, moisture is generated by a difference in temperature from the outside, and the oil is supplied to the air compressor for smooth operation.

Therefore, the air dryer of the compressed air treatment apparatus provided between the air compressor and the air tank removes foreign matter, moisture, oil, etc. contained in the compressed air, so that purified compressed air can be supplied to the air tank.

However, it is difficult to sufficiently remove foreign matter, moisture, and oil contained in the compressed air by using only the air dryer.

In order to solve this problem, a compressed air treatment apparatus further comprising a separator cooler unit is provided between the air compressor and the air dryer, and this separator cooler unit primarily cools the hot compressed air supplied from the air compressor. In addition, foreign matter, moisture, and oil contained in the compressed air can be removed to further improve the efficiency of purifying the compressed air.

However, the separator cooler unit has a structure in which foreign substances, including moisture and oil separated from the compressed air, are automatically discharged together with the gas while cooling the compressed air, and noise is generated when the foreign substances are discharged together with the gas. .

As such, although a silencer may be installed to reduce noise generated in the process of discharging foreign matters and gases, the cost is high and the structure is complicated, and improvement is required in various aspects.

An object of the present invention is to provide a separator cooler unit having a silencer that can effectively reduce the noise generated when the foreign matter is discharged together with the gas in the separator cooler.

In order to solve the above problems, the separator cooler unit according to an embodiment of the present invention, the separator cooler for filtering and discharging the foreign matter at the same time, the foreign matter to discharge the gas together with the foreign matter filtered from the separator cooler to the outside A drain valve for opening and closing a discharge passage, and a silencer installed at an end of the foreign substance discharge passage to reduce noise generated from foreign substances discharged to the outside together with the gas, wherein the silencer is connected to the foreign substance discharge passage. A silencer housing having a drain port formed therein, a fixing pin fixedly disposed in a longitudinal direction at the center of the drain port, and fixed to one end of the fixing pin so as to block an inlet of the drain port. A porous hole plate in which a plurality of through holes are formed, and the fixing It is disposed fixed to the other end of the pin, one edge is in close contact with the outer surface of the muffler housing to block the outlet of the drain port, the one side of the edge includes a diaphragm to form a gap with the outer surface to discharge gas and foreign matter can do.

Fixing holes into which the upper end of the fixing pin is inserted may be formed in the center of the porous hole plate, and fixing holes into which the lower end of the fixing pin is inserted into the center of the diaphragm may be formed.

The porous hole plate may be made of a plastic material, and the diaphragm may be made of a rubber of a flexible material.

The porous hole plate and the diaphragm may be made of a rubber of a flexible material.

A central portion of the diaphragm is fixed to the fixing pin, and one surface of the diaphragm forms a gap with a lower surface of the muffler housing so that foreign matter and gas are discharged.

The plurality of through holes formed in the porous hole plate may be arranged along a circle centering on the fixing pin.

A support part for fixing the fixing pin by connecting the fixing pin and the silencer housing may be formed in the drain port.

An upper end and a lower end of the fixing pin may be formed with an extension part to prevent the hole plate and the diaphragm from being separated.

An inclined surface whose inner diameter gradually increases in a direction in which foreign matters are discharged together with gas between an outer surface of the muffler housing and one surface of the diaphragm may be formed at an outlet of the muffler housing along an edge of the diaphragm housing.

The drain valve includes a rod disposed to move forward and backward, and an elastic member for elastically supporting the rod forward so that the rod blocks the foreign substance discharge flow path, and the rod includes a piston formed at a front end thereof, and then It may include a head formed at the end, and a connecting bar connecting the piston and the head.

Protruding from the outer circumferential surface of the head, one side of the head projection is formed in the side groove, and the side groove is mounted, the side sealing is in close contact with the sealing projection formed in the foreign substance discharge passage to block the foreign substance discharge passage The member may further include.

And a stopper fixedly disposed at a predetermined interval from the head, protruding from an outer circumferential surface of the head to form a head protrusion, a rear end of the elastic member supported by the stopper, and a front end of the head protrusion of the head. Can be supported.

In the separator cooler unit according to the embodiment of the present invention, the foreign matter and gas that has passed the drain port having a relatively large inner diameter pass through the through hole of the porous hole plate, and the noise is primarily reduced. In addition, noise is secondarily reduced as it passes through the gap between the diaphragm and the silencer housing.

1 is a schematic configuration diagram of an air processing system.
Figure 2 is a perspective view showing the appearance of the separator cooler unit according to an embodiment of the present invention.
3 is a cross-sectional view illustrating an interior of a separator cooler unit according to an exemplary embodiment of the present invention.
4 is a cross-sectional view illustrating a closed state of a drain valve of a separator cooler unit according to an exemplary embodiment of the present invention.
5 is a cross-sectional view illustrating an open state of a drain valve of a separator cooler unit according to an exemplary embodiment of the present invention.
6 is an exploded perspective view of the silencer provided in the separator cooler unit according to the embodiment of the present invention.
7 is a perspective view of a silencer provided in the separator cooler unit according to the embodiment of the present invention.
8 is a perspective view illustrating a drain port of the silencer housing of the silencer provided in the separator cooler unit according to the embodiment of the present invention.

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

1 is a schematic configuration diagram of an air processing system.

1, the compressed air treatment system includes an air compressor 100, a separator cooler 110, a drain valve 140, an air processing unit 120, and an air tank 130.

The separator cooler 110 cools the compressed air and filters foreign matters before storing the air compressed in the air compressor 100 in the air tank 130.

The air processing unit 120 (APU) includes an air dryer, a governor, and a branch valve. The compressed air cooled and purified from the separator cooler 110 is dried and the air flows through a branch valve. Store each in a tank.

In addition, compressed air in the air processing unit 120 is used to operate the drain valve 140 disposed under the separator cooler 110. That is, control air is supplied to the drain valve through a port formed in the air processing unit 120, and the control air operates the drain valve 140 to discharge foreign matter to the outside.

2, 3, 4, and 5, the structure of the separator cooler will be described in more detail.

Figure 2 is a perspective view showing the appearance of the separator cooler unit according to an embodiment of the present invention.

Referring to FIG. 2, the separator cooler unit includes a separator cooler 110 disposed at an upper portion, a drain valve 140 disposed at a lower portion of the separator cooler 110, and a silencer 399 disposed at a lower portion of the drain valve. It includes.

The separator cooler 110 includes a main body 220 and an air inlet 202 through which the compressed air is sucked is formed at an upper portion of the main body 220. At the center of the upper portion, The air outlet 210 is formed.

In addition, a cooling fin 230 is formed on the outer side of the main body 220 to dissipate heat energy generated therein.

In addition, the drain valve 140 disposed below the separator cooler 110 discharges foreign substances filtered by the separator cooler 110 to the outside through the drain port 250 of the silencer 399 disposed below. Let's do it.

3 is a cross-sectional view illustrating an interior of a separator cooler unit according to an exemplary embodiment of the present invention.

Referring to FIG. 3, the separator cooler 110 includes a main body 220 and a screw pipe 300 mounted inside the main body 220.

The air outlet 210 is formed at the center of the upper end of the main body 220 and the screw pipe 300 is inserted into the mounting space formed in the main body 220 in correspondence with the air outlet 210. [ And are arranged in the vertical direction.

A screw 310 is formed on the outer circumferential surface of the screw pipe 300 and the screw 310 is formed spirally and downwardly along the periphery of the screw pipe 300.

The compressed air introduced through the air intake port 202 formed in the main body 220 flows from the upper portion to the lower portion along the screw 310 formed between the screw pipe 300 and the main body 220, The heat generated at this time is radiated to the outside through the cooling fin 230 of the main body 220.

The air moved downward moves upward along the internal passage 302 formed in the screw pipe 300 in the vertical direction and is supplied to the air processing unit 120 through the air outlet 210 do.

The drain valve 140 is disposed below the separator cooler 110, and the drain valve 140 has a large valve housing 350, a rod 360, a stopper 370, and an elastic member 380. Include.

As compressed air moves along the screw 310, foreign substances including oil contained in the compressed air are separated by the centrifugal force and the gravity. The compressed air is discharged to the air discharge port 210, And is filled in the foreign matter storage space 320.

The foreign matter filled in the foreign matter storage space 320 is discharged into the foreign substance discharge passage 354 formed in the valve housing 350, the foreign substance discharge passage 354 is selectively opened and closed according to the movement of the rod 360. do.

A rod 360 is disposed across the foreign substance discharge passage 354. A piston 362 is formed at the front end of the rod 360, a head 366 is formed at the rear end of the rod 360, and the piston 362 is disposed. And a connection bar 364 connecting the head 366 to each other.

A cylinder 352 is formed in the valve housing 350 corresponding to the piston 362, and a sealing structure is formed between the cylinder 352 and the piston 362. In addition, a control air port 392 for supplying control air to the cylinder 352 is formed.

A head protrusion 430 is formed on an outer circumferential surface of the head 366, one side of the head protrusion 430 is supported by the elastic member 380, and a side sealing member (side) on the other side of the head protrusion 430. 358 is mounted.

Here, one end of the elastic member 380 is supported by the stopper 370, the other end of the elastic member 380 elastically supports the head projection 430 of the head 366, The side sealing member 358 blocks the foreign substance discharge passage 354.

When air is supplied to the control air 392, the piston 362 is pushed backward so that the side sealing member 358 opens the foreign substance discharge passage 354, and the foreign substance discharges the foreign substance discharge passage 354. It is discharged to the bottom through.

As shown, the silencer 399 is disposed below the drain valve 140. The silencer 399 serves to reduce noise generated by foreign substances and gases discharged through the foreign substance discharge passage 354 of the drain valve 140.

4 is a cross-sectional view illustrating a closed state of a drain valve of a separator cooler unit according to an embodiment of the present invention, and FIG. 5 is a cross-sectional view illustrating an open state of a drain valve of a separator cooler unit according to an embodiment of the present invention.

4 and 5, the stopper 370 is inserted into the mounting space 372 formed in the valve housing 350 and fixed by the stopper ring 410, and the stopper 370. A stopper ring 405 is disposed on the outer circumferential surface thereof to form a sealing structure.

In addition, a handling protrusion 470 is formed to protrude from one side surface of the central portion of the stopper 370. The mounting protrusion 470 facilitates mounting of the stopper 370.

The side sealing member 358 is inserted into the side groove 450 formed on the other side of the head protrusion 430, the side sealing member 358 and the sealing protrusion 460 by the elastic member 380 Closely closes the foreign substance discharge passage 354.

Then, when the rod 360 is reversed by the pull ring or control air, the side sealing member 358 is separated from the sealing protrusion 460 to open the foreign substance discharge passage 354.

In the embodiment of the present invention, the surface sealing member 358 is formed by a compression molding method to prevent the head protrusion 430 and the separation is prevented from being separated during operation. In addition, the surface sealing member 358 is generally superior in sealing performance than the O-ring formed on the outer peripheral surface.

As shown, one oil ring 400 and two O-rings 405 are sequentially disposed on the outer circumferential surface of the piston 362 formed at the tip of the rod 360, one of the O-rings 405 is a low temperature Suitable for NBR, and the other one of the O-rings 405 includes a suitable fluorine material for high temperature.

Referring to FIG. 4, the silencer 399 includes a silencer housing 480 having a drain port 250 formed therein, and a fixing pin 488 fixedly disposed at a central portion in the center of the drain port 250. The hole hole plate 484 fixed to the inlet end of the fixing pin 488, the diaphragm 486 fixed to the outlet end of the fixing pin 488, and the fixing pin 488 to fix the porous hole plate 484 and a support 482 for supporting the diaphragm 486.

Extension portions 489 and 490 are formed at upper and lower ends of the fixing pins 488 to prevent the porous hole plate 484 and the diaphragm 486 from being separated from the outside.

Referring to FIG. 5, when the foreign substance discharge passage 354 is opened, foreign substances and gases move at high speed through the drain port 250, and the gas and foreign substances pass through the porous hole plate 484 to make noise primarily. This decreases.

In addition, while the upper edge of the diaphragm 486 is in close contact with the lower surface of the outlet portion of the drain port 250, the diaphragm 486 while the gas and foreign substances push the edge of the diaphragm 486 to the bottom A gap is formed between the substrate and the lower surface, through which the gas and foreign matter are injected.

Here, the inclined surface 606 is formed in the discharge portion of the muffler housing 480 along the edge of the diaphragm 486, the gas and foreign matter is effectively discharged through the inclined surface 606 to the muffler housing 480 Prevent foreign matter from adhering.

6 is an exploded perspective view of the silencer provided in the separator cooler unit according to the embodiment of the present invention, and FIG. 7 is a perspective view of the silencer provided in the separator cooler unit according to the embodiment of the present invention.

6 and 7, the porous hole plate 484 has a circular plate shape, and a fixing hole 602 fixed to an upper end of the fixing pin 488 is formed at the center thereof, and the fixing hole 602 is formed. Passing holes 600 are arranged at the center.

In addition, a fixing hole 604 is formed at the center of the diaphragm 486 fastened to the lower end of the fixing pin 488. In addition, an extension 489 is formed at the lower end of the fixing pin 488 so that the diaphragm 486 is not separated from the outside. Here, the diameters of the expansion portions 489 and 490 are larger than the diameters of the fixing holes 602 and 604.

In addition, the silencer housing 480 is formed with an inclined surface 606 whose inner diameter gradually increases in the injection direction. The inclined surface 606 is formed in the circumferential direction along the shape of the diaphragm 486. Therefore, the diameter of the jet port is gradually increased by the inclined surface 606.

8 is a perspective view illustrating a drain port of the silencer housing of the silencer provided in the separator cooler unit according to the embodiment of the present invention.

Referring to FIG. 8, the fixing pin 488 is disposed at the center of the drain port 250 formed in the muffler housing 480, and the expansion part 490 is disposed at the upper end of the fixing pin 488. Is formed.

In addition, the support part 482 connects the silencer housing 480 and the fixing pin 488 to fix the fixing pin 488. In addition, the support part 482 prevents the diaphragm 486 from moving upward, and prevents the porous hole plate 484 from moving downward.

In FIG. 8, three support parts 482 are formed in the drain port 250, but the present invention is not limited thereto.

In the exemplary embodiment of the present invention, the foreign matter and gas passing through the drain port 250 having a relatively large inner diameter pass through the through hole 600 of the porous hole plate 484, and the noise is reduced by about 10% or more.

In addition, about 90% of the secondary is reduced while passing through the gap between the diaphragm 486 and the lower surface of the muffler 399.

In the embodiment of the present invention, the diaphragm 486 has a hardness of 80 and a thickness of about 2 mm, and is a rubber material that reduces coarse noise when compressed air is discharged.

In addition, the porous hole plate 484 may be made of a plastic material, but may also be made of a rubber material. In addition, the porous hole plate 484 may be deleted, the thickness of the diaphragm 486 may be set to 2.4 mm, and the hardness may be increased to 85 degrees.

While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, And all changes to the scope that are deemed to be valid.

300: screw pipe 302: inner passage
310: screw 320: foreign matter storage space
350: valve housing 352: cylinder
354: foreign substance discharge passage 358: cotton sealing member
360: rod 362: piston
364: connecting bar 366: head
370: stopper 372: mounting space
380: elastic member 392: control air
399: silencer 400: oil ring
405: O-ring 410: stopper ring
430: head projection 450: side groove
460: sealing protrusion 470: handling protrusion
480: silencer housing 482: support
484: hole hole plate 486: diaphragm
488: fixing pins 489, 490: extension
600: through hole 602, 604: fixing hole
606: slope

Claims (12)

Separator cooler that filters and discharges foreign substances from the supplied gas, drain valves that open and close the foreign substance discharge passage to discharge the gas together with the foreign substances filtered from the separator cooler, and noise generated from the foreign substances discharged to the outside together with the gas To include a silencer installed at the distal end of the foreign matter discharge passage,
The silencer,
A silencer housing having a drain port connected to the foreign substance discharge passage therein;
A fixing pin fixed to the center of the drain port in a longitudinal direction;
A porous hole plate fixed to one end of the fixing pin to block an inlet of the drain port and having a plurality of passage holes through which foreign substances pass; And
The diaphragm is fixedly disposed at the other end of the fixing pin and one side of the edge is in close contact with the outer side of the silencer housing to block the outlet of the drain port, and one side of the edge forms a gap with the outer side to discharge gas and foreign matter. ; Separator cooler unit comprising a. In claim 1,
Fixing holes are respectively formed in the center of the porous hole plate is inserted into the upper end of the fixing pin,
Separator cooler unit, characterized in that the fixing hole for inserting the lower end of the fixing pin is formed in the center of the diaphragm. 3. The method of claim 2,
The porous hole plate is made of a plastic material, the diaphragm is a separator cooler unit, characterized in that made of a rubber of a flexible material. 3. The method of claim 2,
And the porous hole plate and the diaphragm are made of a rubber of a flexible material. 4. The method according to claim 3 or 4,
The central portion of the diaphragm is fixed to the fixing pin, the edge of one side of the separator cooler unit to form a gap with the lower surface of the muffler housing to discharge foreign matter and gas. In claim 1,
The separator cooler unit, characterized in that the plurality of passage holes formed in the porous hole plate are arranged along a circle centered on the fixing pin. In claim 1,
Separator cooler unit characterized in that the support portion for connecting the fixing pin and the silencer housing to fix the fixing pin is formed in the drain port. 3. The method of claim 2,
The upper end and the lower end of the fixing pin is a separator cooler unit, characterized in that the expansion portion is formed to prevent the diaphragm from being separated. In claim 1,
Separator cooler unit, characterized in that formed in the discharge port of the muffler housing along the edge of the diaphragm along the edge of the diaphragm gradually between the outer surface of the muffler housing and the one surface of the diaphragm in the direction that the foreign matter with the gas is discharged. In claim 1,
The drain valve
A rod disposed to move forward and backward; And
An elastic member for elastically supporting the rod forward so that the rod blocks the foreign substance discharge passage; Lt; / RTI >
The above-
A piston formed at its tip; A head formed at its rear end; And a connecting bar connecting the piston and the head. 11. The method of claim 10,
A head protrusion protruding from an outer circumferential surface of the head and having a side groove formed on one side thereof; And
A side sealing member mounted to the side groove and in close contact with a sealing protrusion formed in the foreign substance discharge passage to block the foreign substance discharge passage; Separator cooler unit characterized in that it further comprises. 11. The method of claim 10,
A stopper fixedly disposed at a predetermined distance from the head; Lt; / RTI >
Protruding from the outer circumferential surface of the head to form a head projection,
And a rear end portion of the elastic member is supported by the stopper, and a front end portion is supported by the head protrusion of the head.

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