KR100549302B1 - Device for change to exhaust of projector LCD - Google Patents

Abstract

The present invention relates to an exhaust switching device of an LCD projector, comprising: a projector configured to exhaust exhaust to exhaust internal hot air to the outside;

Various types of exhaust direction switching brackets are coupled to the exhaust outlets to switch the direction of the air discharged to the outside in multiple directions, thereby eliminating the discomfort felt by the hot air around the lamp that has been discharged to the front of the user. Excellent effect

LCD projector, exhaust direction switch, exhaust direction switch bracket, switching path

Description

Device for change to exhaust of projector LCD

1 is a schematic configuration diagram of a typical LCD projector.

2 is a state in which the hot air around the lamp in the projector is discharged to the user side through the exhaust discharge.

3 is an exploded perspective view of the exhaust direction switching device of the present invention.

Figure 4 is an embodiment of the first coupling member and the second coupling member of the present invention.

5 is another embodiment of an exhaust direction switching bracket which is a component of the present invention.

Figure 6 is another embodiment of an exhaust direction switching bracket that is a component of the present invention.

Figure 7 is another embodiment of an exhaust direction switching bracket that is a component of the present invention.

8 is yet another embodiment of an exhaust direction switching bracket which is a component of the present invention.

Figure 9 is another embodiment of an exhaust direction switching bracket which is a component of the present invention.

Figure 10 is another embodiment of an exhaust direction switching bracket that is a component of the present invention.

Figure 11 is another embodiment of the exhaust direction switching device of the present invention.

12 is an exemplary embodiment showing a state in which an exhaust direction switching bracket, which is a component of the present invention, is coupled to an exhaust outlet so that the air outlet is directed upward of the projector.

Fig. 13 is an embodiment showing a state in which an exhaust direction switching bracket, which is a component of the present invention, is coupled to an exhaust outlet so that the air outlet is directed toward the left or right direction of the projector.

14 is an exemplary embodiment showing a state in which an exhaust direction switching bracket, which is a component of the present invention, is coupled to an exhaust outlet so that the air outlet faces downward of the projector.

Explanation of symbols on the main parts of the drawings

1. Exhaust direction changer

2, 2a, 2b, 2c, 2d, 2e, 2f, 2g. Exhaust Directional Bracket

3, 3a. Air inlet 4, 4a. Air outlet

5, 5a, 5b, 5c. Switching paths 6, 6a, 6b. First coupling member

7, 7a, 7b, 7c, 7d. Binding protrusions 8, 8a. Jam

9, 9a, 9b, 9c, 9d. Insertion Groove 11. Velcro Tape

12. Switching member 13. Cover member

15. Exhaust outlet 15a. Grill

15b. Guide grooves 16, 16a, 16b. Second coupling member

17. Frame

18, 33, 49. Air flow path switching plate

19. Operating member 20. Body

21. Departure preventing protrusion 22. Vertical coupling protrusion

23. Fixing protrusion of elastic member 25. Sliding hole of body

26. Slip-proof protrusion sliding hole 27. Sliding hole for vertical coupling protrusion

28. Locking member 30. Locking member

31. Rotating member 32. Round grille

34. Locking member 46. Rotating guide member

47. Front grille 48. Rear grille

The present invention relates to an LCD projector, and more particularly, to an exhaust direction in which hot air around a lamp in the projector discharged through an exhaust outlet installed at the rear of the projector is switched in a predetermined direction according to a user's position. It relates to a switching device.

In general, an LCD (Liquid Crystal Display) projector is an image device that implements a very large screen by projecting light from a lamp onto a screen, which is an LCD projector optical engine that is fired by forming a certain image therein as shown in FIG. 100 and a projection lens 95 for controlling and adjusting the image to be projected in a desired size and direction, and in particular to the LCD panel 81, 82, 83 using the lamp 10 as a light source. The LCD projector optical engine 100, which is an apparatus that causes an image to form and emits the image, includes a lamp 10 having white light generated therein and a reflector for collecting white light generated by the lamp 10 and reflecting it in one direction. And a FEL (Fly Eye Lens) lens unit 30 for matching the illumination area of the white light reflected through the reflector 20 to the size of the LCD panel and equalizing the light intensity. In the lens unit 30 Total reflection mirrors 41, 42, 43 and 44 for reflecting a predetermined white light, a condenser lens 50 for correcting the straightness of the light, and a dichro for passing light of a certain color and reflecting all other light. Dichroic lenses (71, 72, 73) in which a predetermined color of light passing through the dichroic mirrors (61) and (62) and the dichroic mirrors (61) and (62) is once again filtered. And LCD panels 81, 82, 83, which are activated by light of a predetermined color passing through the dichroic lenses 71, 72, 73, and the LCD panels 81, 82 ( A dichroic prism 90 in which a certain color image generated in the image 83 is combined and converted into a complete image, and a projection lens 95 for enlarging and projecting the image combined in the dichroic prism 90 onto a screen. Consists of

Referring to the operation of the LCD projector configured as described above, first, the white light generated in the lamp 10 of the components of the LCD projector optical engine 100 and emitted in one direction by the reflector 20 is the FEL lens unit 30. It is adjusted at and then reflected on the total reflection mirror 41 and passes through the condenser lens 50. Thereafter, the white light passes through only the red color in the dichroic mirror 61 and reaches the LCD panel 81 through the total reflection mirror 42 and the dichroic lens 71. 81 is activated to generate an image corresponding to red color.

In addition, the light from which red is removed from the dichroic mirror 61 passes through blue light and reflects green light by the next dichroic mirror 62, wherein the green light is a dichroic lens 72. After reaching the LCD panel 82, the LCD panel 82 to which the green light is incident is activated to generate an image corresponding to the green color. The blue light passing through the dichroic mirror 62 reaches the LCD panel 83 through the total reflection mirrors 43 and 44 and the dichroic lens 73. By activation, an image corresponding to blue color is generated. In this way, the red, green, and blue images generated by the three LCD panels 81, 82, and 83 are combined by the dichroic prism 90, and converted into a complete image, through the projection lens 95. It will be displayed on the screen.

As described above, in order to form an image on the screen as described above, light should be emitted from the lamp 10 to the optical engine 100 including a plurality of lenses and mirrors. As the high heat (about 300 ℃ or more) occurs due to the emission of the air around the lamp 10 is changed to a high temperature state due to high heat, the hot air around the lamp 10 changed as described above to the outside of the projector In order to discharge, as shown in FIG. 2, the hot air around the lamp 10 is sucked by the driving of the exhaust fan to be discharged to the outside of the projector via the exhaust exhaust unit 15 installed on the rear surface of the exhaust fan 14. Thus, the inside of the projector, that is, the lamp 10 and around the lamp 10 can be cooled smoothly.

However, the hot air around the lamp 10 discharged through the exhaust discharge unit 15 by the driving of the exhaust fan 14 as described above is not discharged in a state in which the direction is switched from the user, that is, toward the user side, that is, in front of the user. Since it is discharged, there is a big problem that the user feels uncomfortable by the hot air around the discharged lamp (10).

In addition, the exhaust discharge unit 15 is covered with a book or a document such that hot air around the lamp 10 discharged from the exhaust discharge unit 15 is not discharged to the user side due to the above problem. In this case, since the hot air around the lamp 10 is not discharged to the outside of the projector smoothly, the temperature inside the projector rises, thereby adversely affecting a large number of lenses and mirrors installed in the projector and causing a breakdown of the projector. there was.

The present invention has been made in order to solve the above problems, so that the hot air around the lamp in the projector discharged through the exhaust exhaust portion installed in the rear of the projector when using the projector to be switched out in a predetermined direction according to the user's position, The purpose is to resolve the discomfort felt by the hot air around the lamp that has been discharged in front of the user.

The object of the present invention can be solved by the exhaust switching device of the present invention the LCD projector which is configured so that the hot air around the lamp discharged through the exhaust discharge section is switched in a predetermined direction according to the user's position, It will be described in detail with reference to the drawings.

Figure 3 shows an exploded perspective view of the exhaust direction switching device of the present invention.

The exhaust direction switching device (1) of the LCD projector according to the present invention comprises: a projector that constitutes an exhaust exhaust section (15) to exhaust internal hot air to the outside;

In order to switch the direction of the air discharged to the outside in one direction or multi-direction, various forms of exhaust direction switching bracket (2) is configured to be coupled to the exhaust outlet (15).

Reference numeral 16 is a second coupling member, and 9 is an insertion groove.

EMBODIMENT OF THE INVENTION Hereinafter, the exhaust direction switching apparatus of this invention is demonstrated in detail.

Figure 4 shows an embodiment of the first coupling member and the second coupling member of the present invention.

Exhaust direction switching device 1 of the present invention, by switching the discharge of the hot air around the lamp that has been discharged to the user side through the conventional exhaust outlet 15 in a predetermined direction, the exhaust outlet so as to solve the discomfort felt by the user (15) A detailed configuration of the exhaust switching device 1, which is coupled to the periphery thereof, will be described in detail as follows.

As shown in FIG. 3, the exhaust switching device 1 includes: an exhaust direction switching bracket 2 for switching a discharge direction of hot air discharged through the exhaust discharge unit 15; A first coupling member (6) integrally formed at an end surface of the exhaust direction switching bracket (2) so as to be coupled to a predetermined position of the exhaust discharge portion (15); The first coupling member 6 is composed of a plurality of second coupling members 16 formed around the exhaust discharge portion 15 so as to correspond correspondingly.

In addition, the exhaust direction switching bracket (2) as a component of the exhaust direction switching device (1), the air inlet (3) to which the air discharged from the exhaust discharge portion 15 is introduced; An air outlet 4 for discharging air introduced through the air inlet 3; One side is connected to the air inlet (3), the other side is composed of a switching passage (5) connected to the air outlet (4) for switching the air direction.

At this time, the first coupling member 6 is formed of a binding protrusion 7 having a locking jaw 8, and the second coupling member 16 is inserted into and fixed to the binding protrusion 7. It is formed of the insertion groove (9), in particular, as shown in the embodiment of the first coupling member (6a) and the second coupling member (16a) shown in Figure 4 (a), the first coupling member (6a) And second coupling members 16a are formed of Velcro tapes 11 so that the first coupling members 6a and the second coupling members 16a are attached to each other, or as shown in FIG. As shown in the embodiment of the first coupling member 6b and the second coupling member 16b, the binding projection 7a having a locking projection 8a formed at one end of the end surface of the exhaust direction switching bracket 2a formed in a cylindrical shape. In addition, the first coupling member 6b and the second coupling member 16b may be formed as the insertion groove 9a to which the binding protrusion 7a is correspondingly coupled. At this time, the coupling of the first coupling member 6b and the second coupling member 16b shown in FIG. 4 (b) is performed by connecting the binding protrusion 7a of the first coupling member 6b to the second coupling member 16b. Inserted into the insertion groove (9a), and then rotated in a predetermined direction is a locking jaw (8a) formed on one side of the binding projection (7a) is fastened to each other by the insertion groove (9a).

5 shows another embodiment of the exhaust direction switching bracket, which is a component of the present invention, wherein the exhaust direction switching bracket 2a is formed in a cylindrical shape and discharged from the exhaust discharge unit 15. An air inlet port 3 through which air is introduced; An air outlet 4 for discharging air introduced through the air inlet 3; A switching passage 5a connected between the air inlet 3 and the air outlet 4 so that the air inlet 3 and the air outlet 4 are bent at a predetermined angle to switch the air direction. Consists of.

6 shows another embodiment of the exhaust direction switching bracket, which is a component of the present invention, wherein the exhaust direction switching bracket 2b includes the air inlet 3 and the air outlet 4 shown in FIG. The switching passage 5a connected therebetween is bent in multiple directions to form a flexible pipe 5b capable of switching the air direction.

Fig. 7 shows another embodiment of the exhaust direction switching bracket, which is a component of the present invention. The exhaust direction switching bracket 2c has a semi-cylindrical shape in its entire shape, and is discharged from the exhaust discharge section 15. An air inlet port 3 through which air is introduced; An air outlet 4 for discharging air introduced through the air inlet 3; One side is connected to the air inlet (3), the other side is composed of a switching passage (5c) connected to the air outlet (4) for switching the air direction.

8 shows another embodiment of the exhaust direction switching bracket, which is a component of the present invention, wherein the exhaust direction switching bracket 2d is configured such that hot air discharged from the exhaust discharge unit 15 flows into the member. A sealing member 12 having an inlet 3; Air outlets (4) and cover members (13) which are formed on the slopes of the switching member (12) so that hot air around the lamp introduced through the air inlet (3) is switched out in a predetermined direction; The switching member 12 is composed of a plurality of binding projections 7b formed integrally with the end surface of the switching member 12 so as to be coupled to the insertion groove 9b around the exhaust outlet 15. .

Fig. 9 shows another embodiment of the exhaust direction switching bracket, which is a component of the present invention, wherein the exhaust direction switching bracket 2e includes: a frame 17 for maintaining an appearance;

A plurality of air outlets (4) formed inside the frame (17) to allow air introduced from the exhaust discharge unit (15) to pass therethrough;

An air flow path switching plate 18 inclined at a predetermined angle to a predetermined position of the air outlet 4 so as to be discharged to the outside by switching the flow path of the air passing through the air outlet 4 in one direction;

It is coupled to both sides of the frame 17, it consists of a detachable portion to be attached to or detached from the exhaust outlet (15).

At this time, the removable portion and the sliding hole formed in the side of the frame 17; It is coupled so as not to be separated from the sliding hole of the frame 17, it is composed of an operating member 19 to allow the binding or detachment to one side of the exhaust outlet (15).

In addition, the operating member 19 is inserted into the sliding hole of the frame 17 and the body portion 20 is a portion of one side protruding outward side of the frame 17;

A departure prevention protrusion (21) formed with a projection to prevent the departure from the sliding hole to the other side;

A vertical coupling protrusion 22 formed integrally with the body portion 20 and having a protrusion coupled to the exhaust discharge portion 15 in a vertical direction of the body portion 20;

It is made of an elastic member 24 located between the body portion 20 in which the separation preventing protrusion 21 is formed in the inner side of the sliding hole to push the body portion 20 to the outside.

The sliding hole may include a body sliding hole 25 for allowing the body 20 to move to the side of the frame 17;

A vertical coupling protrusion sliding hole 27 formed to move together with the vertical coupling protrusion 22 when the body portion 20 moves to the side;

The separation preventing protrusion 21 is coupled to the body portion 20 is composed of a separation preventing projection sliding hole 26 to enable the sliding so as not to be separated from the frame 17.

In addition, one side of the body portion 20 in contact with the elastic member 24 is formed with an elastic member fixing projection 23 to prevent the flow of the elastic member 24, both sides of the bottom of the frame 17 The locking member 28 is formed on the grill 15a of the exhaust outlet 15 so that the lower end of the frame 17 can be fixedly fixed.

The exhaust direction switching method of the exhaust direction switching bracket 2e configured as described above rotates the bracket 2e in a predetermined direction for discharging the hot air discharged through the exhaust discharge part 15, and then exhausts the exhaust. By attaching the bracket 2e to the grille 15a, the hot air whose air direction is switched through the air flow path switching plate 18 of the bracket 2e rotated in the predetermined direction is the exhaust direction. It is discharged to the outside of the switching bracket (2e).

Fig. 10 shows another embodiment of the exhaust direction switching bracket, which is a component of the present invention, wherein the exhaust direction switching bracket 2f is formed around the exhaust exhaust portion 15 of the projector through the binding projection 7c. A cylindrical fixing member 30 which is fixed and fixed to the formed insertion groove 9c;

A rotating member 31 having a cylindrical shape coupled to the fixing member 30 so that the air direction discharged from the exhaust discharge part 15 is switched through a predetermined angle rotation;

Hot air, which is integrally formed at the end of the rotating member 31 and flows into the rotating member 31 through the air inlet 3 of the fixing member 30 from the exhaust outlet 15, is rotated by the rotating member ( 31) a circular grill part 32 in which a plurality of air outlets 4 are formed to be discharged to the outside;

An air flow path switching plate inclined at a predetermined angle to a predetermined position in the air outlet port 4 so that the air flow path discharged through the air outlet port 4 of the circular grill part 32 can be discharged to one direction. 33;

The rotating member 31 is fixed between the fixing member 30 and the rotating member 31 which are coupled to each other while being pressed / restored by the fixing member 30 when the predetermined angle of the rotating member 31 is rotated. Is composed of a locking member 34 to prevent the rotation to be limited to more than a predetermined angle.

The rotating member 31 is rotated by a predetermined angle on the inner circumferential surface of the fixing member 30 at a predetermined angle so that the discharge direction of the hot air discharged to the outside can be switched in a predetermined direction. A plurality of spaced grooves 35 are formed.

In addition, the outer peripheral surface of one side of the rotating member 31 is formed with a fixed groove 36 of a predetermined length spaced apart at a predetermined angle so that the engaging member 34 can be slid and coupled, one end of the rotating member 31 In the cross-section of the separation prevention cover 38 of the hollow shape in which the engaging projection 37 protrudes so as to correspond to the fixing groove 36 to prevent the separation of the locking member 34 fixed through the fixing groove 36. Is fixed.

The locking member 34 corresponds to a recess 35 formed on an inner circumferential surface of the fixing member 30 to limit the rotation of the rotating member 31 coupled to the fixing member 30 by a predetermined angle or more. A half moon-shaped locking projection 39;

A locking step for preventing the locking projection 39 press-fitted through a predetermined angle rotation of the rotating member 31 to be separated from the fixing groove 36 formed on one outer peripheral surface of the rotating member 31 while being restored by the elastic force ( 40);

An elastic member fixing protrusion formed on a bottom surface of the locking protrusion 39 and inserted into the elastic member 42 so that the locking protrusion 39 can be press-fitted / restored by an elastic force according to a predetermined angle of rotation of the rotating member 31. It consists of 41.

11 is a view showing another embodiment of the exhaust direction switching apparatus of the present invention, wherein the exhaust direction switching apparatus includes an exhaust discharge portion in which a circular guide groove 15b and a grille 15a are integrally formed at the center of the exhaust discharge portion. 15);

Rotating guide member 46 rotatably coupled with the guide groove 15b when the first coupling member 6 and the second coupling member 16 are separated by one end coupled with the exhaust outlet 15. And an exhaust direction switching bracket provided with an air outlet port 4a through which air introduced from the exhaust outlet unit 15 passes through the other end, and an air flow path switching plate 49 for switching the discharge direction of the introduced air. 2g). Reference numeral 3a denotes an air inlet 3a formed to penetrate the hot air discharged through the exhaust discharge unit 15 into the exhaust direction switching bracket 2g.

At this time, hot air discharged through the exhaust discharge unit 15 is introduced into the switching bracket 2g through the air inlet 3a at both ends of the exhaust direction switching bracket 2g. The front grille 47 and the rear grille 48 having the same shape as the grille 15a of the exhaust outlet 15 are respectively formed so as to be smoothly discharged to the outside through 4a.

In addition, the outer guide surface of the rotary guide member 46 which is inserted into and fixed to the guide groove 15b of the exhaust discharge portion 15 is provided with the rotary guide member 46 in the guide groove 15b in the center of the exhaust discharge portion 15. A binding projection 7d is formed to prevent the separation.

In addition, the rotation guide member 46 has the switching bracket 2g separated from the insertion groove 9 which is the second coupling member 16 around the exhaust outlet 15 by an external force. It protrudes by a predetermined length to the front of the switching bracket (2g) so that it can be changed to the free rotation state through the 46.

In addition, the exhaust direction switching bracket (2g) may be formed in the hollow rectangular shape, as well as the hollow cylindrical shape.

Thus, the exhaust direction switching method through the exhaust direction switching bracket (2g) is as follows.

In order to discharge the hot air discharged through the exhaust discharge portion 15 in a predetermined direction, the grille of the exhaust discharge portion 15 is formed by the binding projection 7d of the first coupling member 6 and the rotation guide member. 15a) When the exhaust direction switching bracket 2g fixed to the center guide groove 15b and the insertion groove 9, which is the second coupling member 16 around the exhaust discharge portion 15, is pulled out, the exhaust discharge portion (15) The first coupling member 6, which is fastened to the insertion groove 9, is separated from the insertion groove 9, that is, the second coupling member 16, and at the same time, the exhaust direction switching bracket 2g. This freewheeling state is changed.

At this time, when the first coupling member 6 and the second coupling member 16 are separated as described above, the rotation guide member 46 is not separated from the guide groove 15b of the exhaust outlet 15. It should be noted that the exhaust direction switching bracket (2g) must be pulled out.

Thereafter, the exhaust direction switching bracket 2g is rotated through the rotation guide member 46 in a predetermined direction to discharge hot air discharged through the exhaust discharge unit 15, and then the exhaust discharge unit ( 15) The switching bracket 2g rotated in the predetermined direction by binding the first coupling member 6 of the exhaust direction switching bracket 2g to the insertion groove 9, which is the second coupling member 16 around. Air direction is switched through the air flow path switching plate 49 of the () to be discharged to the outside of the exhaust direction switching bracket (2g).

12 to 14 are state diagrams showing a state in which the exhaust direction switching bracket, which is a component of the present invention, is coupled to an exhaust outlet of the projector by way of example, which will be described in detail with reference to the accompanying drawings.

12 is coupled around the exhaust outlet 15 so that the air outlet 4 of the exhaust direction switching bracket 2, which is a component of the present invention, is directed upward of the projector and discharged through the exhaust outlet 15. The hot air around the lamp is to be discharged to the upper side of the projector in the direction of the air outlet 4 of the exhaust direction switching bracket 2, Figure 13 is an air outlet of the exhaust direction switching bracket (2) which is a component of the present invention The hot air around the lamp discharged through the exhaust outlet 15 is coupled to the exhaust outlet 15 so that 4 is directed to the left or right side of the projector, and the air outlet of the exhaust direction switching bracket 2 (4) is to be discharged to the left or right side of the projector, Figure 14 is an exhaust outlet 15 so that the air outlet 4 of the exhaust direction switching bracket (2) which is a component of the present invention is directed to the lower side of the projector ) It is coupled over to one so that the hot air around the discharge lamp via the exhaust outlet (15) discharging into the lower side of the air outlet of the projector (4) direction of the exhaust gas direction switching bracket (2).

Hereinafter, the operation of the exhaust direction switching device of the present invention will be described in detail.

First, the action of the present invention is to exhaust the exhaust so that the air outlet 4 of the exhaust direction switching bracket 2 is directed to the upper side of the projector during the embodiment engagement state of the exhaust direction switching bracket 2 shown in FIGS. 12 to 14. The state mounted in the insertion groove 9 around the part 15 is demonstrated as an example.

As shown in FIG. 12, the heat of the air outlet 4 of the exhaust direction switching bracket 2 is mounted so as to be directed upward of the exhaust outlet 15 of the projector. When the air around the lamp, which has been changed to a high temperature state due to occurrence, is sucked by the driving of an exhaust fan (not shown) to be discharged to the outside of the projector device through the exhaust exhaust unit 15, the hot air around the lamp is exhausted It is introduced into the exhaust direction switching bracket (2) through the air inlet (3) of the exhaust direction switching bracket (2) fixed to communicate with the discharge portion 15, and introduced into the exhaust direction switching bracket (2) The hot air around the lamp is projected through the air outlet port 4 of the exhaust direction switching bracket 2 in which the exhaust direction outside the projector is switched from the user side to the predetermined direction, that is, the upper side of the projector. To the upper side it is discharged outside.

In addition, in order to discharge the hot air around the lamp discharged to the outside of the projector to the left and right or lower sides of the projector, respectively, as shown in Figs. 13 and 14, the air outlet 4 of the exhaust direction switching bracket (2) By mounting the exhaust direction switching bracket 2, which is a component of the present invention, around the exhaust discharge section 15 so that) is directed to the left and right or lower side of the projector, the hot air around the lamp receives the exhaust direction switching bracket ( 2) is discharged to the left and right or lower side of the projector.

The exhaust direction switching device of the present invention discharges the hot air around the lamp in the projector that is discharged through the exhaust exhaust unit installed on the rear surface of the projector when the projector is used, in a predetermined direction according to the user's position, and discharges it to the front of the conventional user. There is an excellent effect that can relieve the discomfort felt by the hot air around the lamp.
In addition, the present invention has the effect of dispersing the hot air discharged faster by discharging the hot air around the lamp in the projector in various multi-direction according to the user's position.

Claims (17)

In the projector configured to exhaust the internal hot air to the outside, Exhaust direction switching device, characterized in that the exhaust direction switching brackets of various types are coupled to the exhaust outlet in order to switch the direction of the air discharged to the outside in multiple directions. According to claim 1, wherein the exhaust direction switching bracket is provided with a first coupling member to be coupled to a predetermined position of the exhaust discharge portion, the second coupling member in a position corresponding to the first coupling member around the exhaust discharge portion Exhaust direction switching device characterized in that provided. The air conditioner of claim 1, wherein the exhaust direction switching bracket comprises: an air inlet through which air discharged from the exhaust outlet is introduced; An air outlet for discharging air introduced through the air inlet; One side is connected to the air inlet, the other side is connected to the air outlet, the exhaust direction switching device characterized in that composed of a switching passage for switching the air direction. The exhaust direction switching apparatus of claim 2, wherein the first coupling member is formed of a locking projection having a locking jaw, and the second coupling member is formed of an insertion groove to insert and fix the binding projection. . The exhaust direction switching apparatus of claim 2, wherein the first coupling member and the second coupling member are formed of Velcro tape so that the first coupling member and the second coupling member are fixed to each other. According to claim 1, The exhaust direction switching bracket is formed in a cylindrical shape of the entire cylinder, and the air inlet port for the air discharged from the exhaust discharge portion; An air outlet for discharging air introduced through the air inlet; And a switching passage connected between the air inlet port and the air outlet port, the air inlet port and the air outlet port being bent to switch the air direction at a predetermined angle. The exhaust direction switching device according to claim 6, wherein the switching passage is formed of a flexible tube so that the air inlet and the air outlet can switch the air direction at a predetermined angle. According to claim 1, wherein the exhaust direction switching bracket is formed in a semi-cylinder of the overall shape, the air inlet port for the air discharged from the exhaust discharge portion; An air outlet for discharging air introduced through the air inlet; One side is connected to the air inlet, the other side is connected to the air outlet, the exhaust direction switching device characterized in that composed of a switching passage for switching the air direction. According to claim 1, The exhaust direction switching bracket is a sealing member having an air inlet is provided so that the hot air discharged from the exhaust discharge portion into the member; Air outlets and cover members respectively formed on the slopes of the switching member to allow the hot air around the lamp introduced through the air inlet to be switched out in a predetermined direction; And a plurality of fastening protrusions integrally formed on an end surface of the switching member so that the switching member can be coupled to an insertion groove around the exhaust discharge part. According to claim 1, wherein said exhaust direction switching bracket and the frame for maintaining the appearance; A plurality of air outlets formed inwardly of the frame to allow air flowing from the exhaust outlets to pass therethrough; An air flow path switching plate which is inclined at a predetermined angle to the air outlet predetermined position so as to be discharged to the outside by switching the flow path of the air passing through the air outlet in one direction; Coupled to both sides of the frame, the exhaust direction switching device characterized in that made of a detachable portion to be attached to or detached from the exhaust outlet. 11. The apparatus of claim 10, wherein the detachable part comprises: a sliding hole formed inside the side surface of the frame; It is coupled so as not to be separated from the sliding hole of the frame, the exhaust direction switching device, characterized in that made of an operating member that is capable of binding or detachment to one side of the exhaust outlet. 12. The method of claim 11, wherein the operating member is inserted into the sliding hole of the frame body portion protruding part of one side to the outer side of the frame; A separation prevention protrusion formed with a projection to prevent the separation from the sliding hole toward the other side; A vertical coupling protrusion formed integrally with the body portion and having a protrusion coupled to the exhaust discharge portion in a vertical direction of the body portion; Exhaust direction switching device characterized in that made of an elastic member which is located between the body portion formed with the departure prevention projections in the inner side of the sliding hole to push the body portion outward. The apparatus of claim 11, wherein the sliding hole comprises: a body part sliding hole allowing the body part to move to a side of the frame; A vertical coupling protrusion sliding hole formed to move together with the vertical coupling protrusion when the body portion moves to the side; Exhaust direction projection device characterized in that the release prevention projections sliding hole coupled to the departure prevention projections coupled to the body portion does not escape from the frame. The exhaust direction switching apparatus according to claim 12, wherein an elastic member fixing protrusion is formed at one side of the body portion in contact with the elastic member to prevent the elastic member from flowing. The apparatus of claim 11, wherein the detachable part is formed at both sides of the lower end of the frame, and a locking member is formed on the grill of the exhaust outlet so that the lower end of the frame is fixed. According to claim 1, The exhaust direction switching bracket has a binding protrusion formed at one end to be coupled to the exhaust outlet, and the fixing member is hollow inside to pass the inlet air; It is rotatably coupled to the other end of the fixing member, the exhaust direction characterized in that consisting of a rotating member formed with an air outlet for discharging the air flowing from the fixing member, and the air flow path switching plate for switching the direction of the inlet air Switching device. According to claim 2, Exhaust exhaust portion formed integrally with the circular guide groove and the grill in the center of the exhaust exhaust portion; When the first coupling member and the second coupling member are separated by one end coupled to the exhaust discharge portion, a rotation guide member is rotatably coupled to the guide groove, and the other end of the air introduced from the exhaust discharge portion is used. An exhaust direction switching device comprising an exhaust direction switching bracket provided with an air outlet port for passing through and an air flow path switching plate for switching the discharge direction of the introduced air.

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