KR101310363B1 - Optical semiconductor based illuminating apparatus - Google Patents

Abstract

According to the present invention, the first unit is reciprocated up and down by forward and reverse rotation of the second unit, and the third unit limits the reciprocating range of the first unit, and the first unit is equipped with an optical member, and corresponds to the optical member. The light emitting module is formed in the heat sink and the housing is related to the optical semiconductor-based lighting device that can change the orientation angle of the lighting device based on the optical semiconductor from the embodiment formed in the heat sink with a simple operation.

Description

[0001] OPTICAL SEMICONDUCTOR BASED ILLUMINATING APPARATUS [0002]

The present invention relates to an optical semiconductor-based lighting device, and more particularly, to an optical semiconductor-based lighting device that can change the orientation angle of the lighting device based on the optical semiconductor with a simple operation.

Optical semiconductor such as LED or ELD has a lower power consumption than an incandescent lamp and a fluorescent lamp, has a long service life, is excellent in durability, and is one of components widely used for lighting in recent years due to its much higher luminance.

Recently, the above-described optical semiconductor has been introduced to produce a lighting function by being coupled to the existing socket connection, such as halogen lamps or incandescent lamps.

That is, the above-described lighting device based on the optical semiconductor has a structure in which an optical semiconductor as a light source is arrayed in a housing provided with a heat sink and the like in a socket base having the same shape as a halogen lamp or an incandescent lamp, and a lens is mounted in the housing. have.

However, since the optical semiconductor-based lighting apparatus is shipped with the lens and the optical semiconductor fixed to the housing, it is difficult to install in consideration of light distribution characteristics according to the lighting environment to be installed.

Patent Application No. 10-2005-0084643 Patent Application No. 10-2006-0031118 Patent Application No. 10-2008-0030056 Patent Application No. 10-2008-0066187 Patent Application No. 10-2009-0001226 Patent Application No. 10-2010-0085880 Japanese Patent Laid-Open No. 3-43903

The present invention has been invented to improve the above problems, and to provide an optical semiconductor-based lighting device that can change the orientation angle of the lighting device based on the optical semiconductor with a simple operation.

In order to achieve the above object, the present invention provides a light emitting module including at least one semiconductor optical device, and an optical member having a lens formed at a position corresponding to the semiconductor optical device; A heat sink having a light emitting module at one end and a power connection at the other end, and a housing formed along an edge of one end of the heat sink and having an inner space; A first unit coupled to the optical member to vary the distance from the semiconductor optical element to the lens while entering and exiting from the housing; A second unit mounted between the housing and the first unit and converting the forward and reverse rotational motion into a linear reciprocating motion of the first unit; It is formed on the inner side of the housing and the outer side of the second unit, and restricts the forward and reverse rotation range of the second unit to within the reciprocating range of the first unit so that the orientation angle of the light irradiated from the semiconductor optical element can be adjusted. It can provide an optical semiconductor-based lighting apparatus comprising a third unit.

Here, it can be seen that the lens has a structure that is spaced apart from or close to the semiconductor optical device when the second unit rotates forward and reverse.

In this case, the first unit may include an embodiment including a cylindrical first body having an optical member mounted thereon and at least one protrusion protruding from a lower outer peripheral surface of the first body and corresponding to an inner peripheral surface of the second unit. Can be.

The second unit is mounted between the housing and the first unit to form a cylindrical second body that rotates forward and backward and at least one inclined along the inner circumferential surface of the second body to correspond to protrusions protruding from the first unit. It includes a rail, and the third unit may be applied to an embodiment formed on the outer surface of the second body and the inner surface of the housing, respectively.

Here, the second unit is mounted between the housing and the first unit and has a cylindrical second body that rotates forward and backward, extends along an upper edge of the second body, is exposed to the outside of the housing, and has an optical member in the center. It includes a ring-shaped rotating body to go in and out, the third unit is also applicable to the embodiment is formed on the outer surface of the second body and the inner surface of the housing, respectively.

At this time, the second unit further includes a communication portion extending from the lower edge of the second body to the end of the rail in the vertical length direction of the second body, the projection is inserted from the communication portion to the forward and reverse rotation of the second body As the rail moves along, it can be seen that the protrusion is raised and lowered.

In addition, a point where an imaginary first straight line extending from the one end of the rail along the vertical length direction of the second main body and an imaginary second straight line extending parallel to the upper and lower edges of the second main body at the other end of the rail meet each other. The distance from the end of the rail to one end of the rail is preferably equal to or longer than the reciprocating distance of the first body.

In addition, the second unit preferably includes a seating recess recessed to the bottom of the rotating body to surround the upper edge of the housing.

Meanwhile, the third unit includes at least one rack block that forms a pattern in which peaks and valleys are sequentially repeated on the outer surface of the second unit, and a locking piece formed from the inner side of the housing to correspond to the valley of the rack block. The embodiment including the hook provided in the can be applied.

Here, the third unit is formed on the upper side of the rail which is inclined upwardly from the lower side of the second body, at least one rack block forming a pattern in which the peaks and valleys are sequentially repeated on the outer surface of the second body, and the housing An embodiment including a cylindrical third body mounted on the inner circumferential surface and a hook having a end portion with a locking piece protruding from the upper side of the third body toward the rack block side and corresponding to the valley may be applied.

At this time, the third unit is disposed on the lower side of the rotating body, at least one rack block forming a pattern in which peaks and valleys are sequentially repeated on the outer surface of the second main body, mounted on the inner peripheral surface of the housing, and rotated on the bottom of the rotating body The upper edge of the upper end is seated in the recessed recess recessed along the entire forming direction, and a cylindrical shaped main body which is mounted on the inner circumferential surface of the housing and a locking piece protruding from the upper side of the third main body to the rack block side to correspond to the valleys. The application of the embodiment including the hook provided at the end is also possible.

In addition, it is preferable that a plurality of rails are formed in the second body, and the rack block is disposed between the rails and the adjacent rails.

The third unit further includes a plurality of cutouts cut out from an upper edge of the third body, and a protrusion piece disposed between the cutout portions adjacent to the cutout portions and protruding from the outside of the third body to contact the inner surface of the housing; The hook is preferably extended from one side of the cutout in the rotational direction of the third body to allow elastic deformation while sequentially contacting the hill and the valley.

In addition, the term "semiconductor optical element" described in the claims and the detailed description means an element including or using an optical semiconductor such as a light emitting diode chip.

Such a 'semiconductor optical device' is a package level that includes various kinds of optical semiconductors including the light emitting diode chip described above.

According to the present invention having the above structure, the following effects can be achieved.

First, the present invention can adjust the orientation angle while elevating the first unit on which the optical member is mounted by forward and reverse rotation of the second unit, and of course, fine rotation angle of the second unit can be adjusted by the third unit. As a result, compared to the conventional optical semiconductor-based lighting device, the degree of freedom of light distribution characteristics can be greatly improved by the user directly adjusting the distance between the lens and the light source.

In addition, the present invention can be used as it is without the need to significantly replace or re-install the existing equipment such as the socket for mounting the existing electrical wiring and lighting fixtures, it is possible to significantly reduce the cost of the implementation of a new lighting environment.

1 is a conceptual diagram showing an operating state of an optical semiconductor-based lighting apparatus according to an embodiment of the present invention
2 is an exploded side conceptual view showing the overall configuration of an optical semiconductor-based lighting apparatus according to an embodiment of the present invention
3 to 7 are views illustrating a coupling state of a first unit and a second unit, which are main parts of an optical semiconductor based lighting apparatus, and an operating state of the first unit according to forward and reverse rotation of the second unit, according to an embodiment of the present invention. Conceptual diagram shown
8 is a cross-sectional view taken along the line A-A 'of FIG.
9 and 10 are side cross-sectional conceptual views illustrating a change in an orientation angle according to a change in distance between a lens of an optical member, which is a main part of an optical semiconductor-based lighting apparatus, and a semiconductor optical device of a light emitting module according to an embodiment of the present invention;

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

1 is a conceptual diagram showing an operating state of an optical semiconductor based lighting apparatus according to an embodiment of the present invention, Figure 2 is an exploded side conceptual view showing the overall configuration of an optical semiconductor based lighting apparatus according to an embodiment of the present invention.

3 to 7 illustrate an operation of the first unit according to the combined state of the first unit and the second unit and the forward and reverse rotations of the second unit, which are the main parts of the optical semiconductor-based lighting apparatus according to the embodiment of the present invention. It is a conceptual diagram showing the state.

3 and 5 are side conceptual views showing a state before and after the first unit protrudes with respect to the second unit, respectively, and FIGS. 4 and 6 show the first unit protruding with respect to the second unit, respectively. It is a perspective view which shows the state before and after protrusion, and FIG. 7 is a perspective view seen from the lower side of the 1st, 2nd unit in order to see before and after a 1st unit protrudes with respect to a 2nd unit.

8 is a cross-sectional view taken along the line A-A 'of FIG. 2, and the illustration of the first unit 100 and the optical member 500 in the center is omitted for convenience of understanding the drawings.

First, as illustrated in the present invention, the first unit 100 reciprocates up and down by forward and reverse rotation of the second unit 200, and the third unit 300 controls the reciprocation range of the first unit 100. The optical unit 500 is mounted on the first unit 100, the light emitting module 400 corresponding to the optical member 500 is formed on the heat sink 600, and the housing 700 is a heat sink 600. It can be seen that the structure formed in the).

The light emitting module 400 is formed with at least one semiconductor optical device 401, the optical member 500 is a lens 501 is formed at a position corresponding to the semiconductor optical device 401,

Here, the optical member 500 is made of a transparent or translucent material to serve to diffuse or reduce the light emitted from the semiconductor optical device 401 and to protect the semiconductor optical device 401.

The heat sink 600 is provided with a light emitting module 400 at one end and a power connection unit 601 at the other end, and serves to effectively release heat generated from the light emitting module 400.

The housing 700 is formed along an edge of one end of the heat sink 600 and has an inner space, and provides a space in which the first and second units 200 are to be mounted together with the third unit 300 to be described later. .

Here, the housing 700 may be made of a separate material from the heat sink 600, of course, may be made of the same material as the heat sink 600, and may be formed integrally, in one embodiment of the present invention The housing 700 is integrally formed to extend along the edge of the heat sink 600.

Meanwhile, the first unit 100 is coupled to the optical member 500 to vary the distance from the semiconductor optical element 401 to the lens 501 while entering and exiting from the housing 700 as shown in the left and right views of FIG. 1. It is to play a role.

The second unit 200 is mounted between the housing 700 and the first unit 100, and serves to convert the forward and reverse rotational motion into a linear reciprocating motion of the first unit 100.

The third unit 300 is formed on the inner side of the housing 700 and the outer side of the second unit 200, and the second unit can adjust the orientation angle of the light emitted from the semiconductor optical element 401. It serves to limit the forward and reverse rotation range of the 200 within the reciprocating range of the first unit (100).

That is, the third unit 300 may allow the user to directly change the orientation angle by finely adjusting the rotation angle of the second unit 200 and fixing the adjusted position.

It is to be understood that the present invention may be embodied in many other specific forms without departing from the spirit or scope of the invention.

First, as described above, the first unit 100 is configured to vary the position of the lens 501 of the optical member 500 while reciprocating up and down with respect to the semiconductor optical device 401. And it can be seen that the structure including the protrusion 120.

The first body 110 is a cylindrical member in which the optical member 500 is mounted on the upper side, and the protrusion 120 protrudes at least one or more from the lower outer circumferential surface of the first body 110 so that the second unit 200 may be formed. It corresponds to the inner circumference.

On the other hand, as described above, the second unit 200 is for changing the forward and reverse rotational motion by the linear reciprocating lifting motion of the first unit 100. The second unit 210 and the rail 220 and It can be seen that the structure including the rotating body 230.

For reference, when the second unit 200 rotates forward and backward, the lens 501 rotates only in conjunction with the forward and reverse rotation of the second unit 200, but only moves away from or close to the semiconductor optical device 401. I do not.

First, the second main body 210 is a cylindrical member mounted between the housing 700 and the first unit 100 to rotate forward and reverse.

The rail 220 may be formed to be inclined at least one along the inner circumferential surface of the second main body 210 to correspond to the protrusion 120 of the first unit 100 to serve as a cam.

The rotating body 230 extends along the upper edge of the second main body 210, is a ring-shaped member which is exposed to the outside of the housing 700, and the optical member 500 enters and exits from the center. It is a member that can carry out the operation of holding it forward and reverse by holding it as if it is turning.

Here, the third unit 300 to be described later is formed on the outer surface of the second body 210 and the inner surface of the housing 700, respectively.

In this case, the second unit 200 may further include a communication part 221 extending from the lower edge of the second body 210 to the end of the rail 220 in the vertical length direction of the second body 210. desirable.

That is, the communication unit 221 is to allow the protrusion 120 to be inserted smoothly for convenience when assembling the first unit 100 with the second unit 200 at first.

Therefore, the protrusion 120 is inserted from the communication unit 221 to raise and lower the protrusion 120 while the rail 220 moves in accordance with the forward and reverse rotation of the second main body 210. The optical member 500 mounted on 100 may also be lifted.

Meanwhile, referring to FIG. 3, a virtual first straight line L1 extending along the vertical length direction of the second body 210 at one end of the rail 220 and the second body 210 at the other end of the rail 220. The distance h 'from the point P at which the virtual second straight line L2 extending in parallel to the upper and lower edges of () to one end of the rail 220 is the reciprocating distance of the first body 110. It is preferable to be longer than or equal to (h, see FIGS. 1 and 7).

That is, the reciprocating distance h of the first body 110 (the distance to the dotted line indicated inside the first body 110 as the protrusion 120 reciprocates between ① and ② in FIG. 7) is determined by the rail 220. It is determined by the length and the inclination of the rail 220.

In addition, the reciprocating distance h of the first body 110 may be limited by the third unit 300 to be described later, and the first body within the length of the rail 220 by the third unit 300. It is also possible to adjust the fine lifting height of 110.

In addition, the second unit 200 may further include a seating recess 232 recessed to the bottom surface of the rotating body 230 to surround the upper edge of the housing 700.

The seating groove 232 is provided to determine the rotation path so that the second unit 200 can rotate accurately and smoothly without shaking, and also maintain the airtightness so that foreign matter such as dust does not flow into the housing 700. will be.

On the other hand, as described above, the third unit 300 is for restricting the minute rotation angle of the second unit 200 and limiting the lifting range of the first unit 100, and the rack block 310 and the hook 320. It can be seen that the structure including the.

At least one rack block 310 is formed on the upper side of the rail 220 formed to be inclined upwardly from the lower side of the second body 210, and the hill 311 and the valley 312 are formed on the outer side of the second body 210. ) Forms a pattern that is repeated sequentially.

The hook 320 is a member formed from the inside of the housing 700 and provided with an end portion of the hook piece 322 having a shape corresponding to the valley 312 of the rack block 310.

That is, the hook piece 322 and the rack block 310 of the hook 320 will be a structure that can be compared to the combination of the pinion and the rack gear.

Here, the hook 320 is formed on the cylindrical third body 330 mounted on the inner circumferential surface of the housing 700.

In detail, the third body 330 is mounted on the inner circumferential surface of the housing 700, and the upper edge of the third body 330 is seated on the seating recess 232 recessed along the forming direction of the rotor 230 on the bottom of the rotor 230. It is a cylindrical member attached to the inner circumferential surface of the housing 700.

The hook 320 protrudes from the upper side of the third main body 330 toward the rack block 310 and includes a hook piece 322 having a shape corresponding to the valley 312 at the end.

At this time, the rail 220 is formed in plurality in the second body 210, the rack block 310 is disposed between the rail 220 and the adjacent rail 220, within the range in which the rack block 310 is formed The engaging piece 322 of the hook 320 is able to reciprocate.

Meanwhile, the third unit 300 further includes a cut piece 331 for allowing elastic deformation of the hook 320, and a protrusion 333 for maintaining a firmly coupled state on the inner surface of the housing 700. desirable.

The cutouts 331 are a plurality of portions cut at equal intervals from the upper edge of the third body 330, and the hook 320 is along the direction of rotation of the third body 330 from one side of the cutouts 331. It extends to allow elastic deformation while sequentially contacting the hill 311 and the valley 312.

Here, the protrusion piece 333 is disposed between the cutout portion 331 and the adjacent cutout portion 331, and protrudes from the outside of the third body 330 to contact the inner surface of the housing 700.

Accordingly, the protrusion piece 333 may be referred to as a technical means in consideration of the free space when the hook 320 is elastically deformed in the process of contacting the peak 311 and the valley 312 as shown by the dotted line in FIG. 8. have.

That is, the housing 700 and the third body 330 are fixed, and the first unit 100 is lifted while only the second body 210 is rotated forward and backward.

Therefore, when the first unit 100 is lifted as the second unit 200 is rotated forward and backward by the optical semiconductor-based lighting device according to an embodiment of the present invention, the optical mounted on the first unit 100 is provided. The lens 501 of the member 500 may adjust a range in which light is radiated from the semiconductor optical device 401 while being approached or spaced apart from the semiconductor optical device 401 as shown in FIGS. 9 and 10.

As described above, it can be seen that the present invention has as its basic technical idea to provide an optical semiconductor-based lighting apparatus that can change the orientation angle of the lighting apparatus based on the optical semiconductor with a simple operation.

It will be apparent to those skilled in the art that many other modifications and applications are possible within the scope of the basic technical idea of the present invention.

100 ... first unit 200 ... second unit
300 ... 3rd unit 400 ... light emitting module
500 ... optical element 600 ... heat sink
700 ... Housing

Claims (13)

A light emitting module in which at least one semiconductor optical device is formed;
An optical member having a lens formed at a position corresponding to the semiconductor optical device;
A heat sink having one end of the light emitting module and a second end thereof having a power connection;
A housing formed along an edge of one end of the heat sink and having an internal space formed therein;
A first unit coupled to the optical member to vary a distance from the semiconductor optical device to the lens while entering and exiting from the housing;
A second unit mounted between the housing and the first unit and converting forward and reverse rotational motion into linear reciprocating motion of the first unit; And
It is formed on the inner side of the housing and the outer side of the second unit, and the forward and reverse rotation range of the second unit to adjust the orientation angle of the light irradiated from the semiconductor optical element of the first unit A third unit limiting within the reciprocating range;
The second unit comprising:
A second cylindrical body which is mounted between the housing and the first unit and rotates forward and backward;
At least one inclination is formed along the inner circumferential surface of the second body and includes a rail corresponding to a protrusion protruding from the first unit,
And the third unit is formed on an outer surface of the second body and an inner surface of the housing, respectively.
The method according to claim 1,
The lens,
And the second unit is spaced apart from or in close proximity to the semiconductor optical device when the second unit rotates forward and reverse.
The method according to claim 1,
The first unit includes:
A cylindrical first body having the optical member mounted thereon;
And at least one protrusion protruding from the lower outer circumferential surface of the first body and corresponding to the inner circumferential surface of the second unit.
delete A light emitting module in which at least one semiconductor optical device is formed;
An optical member having a lens formed at a position corresponding to the semiconductor optical device;
A heat sink having one end of the light emitting module and a second end thereof having a power connection;
A housing formed along an edge of one end of the heat sink and having an internal space formed therein;
A first unit coupled to the optical member to vary a distance from the semiconductor optical device to the lens while entering and exiting from the housing;
A second unit mounted between the housing and the first unit and converting forward and reverse rotational motion into linear reciprocating motion of the first unit; And
It is formed on the inner side of the housing and the outer side of the second unit, and the forward and reverse rotation range of the second unit to adjust the orientation angle of the light irradiated from the semiconductor optical element of the first unit A third unit limiting within the reciprocating range;
The second unit comprising:
A second cylindrical body which is mounted between the housing and the first unit and rotates forward and backward;
A ring-shaped rotating body extending along an upper edge of the second body, exposed to the outside of the housing, and having the optical member in and out of the center;
And the third unit is formed on an outer surface of the second body and an inner surface of the housing, respectively.
The method according to claim 1,
The second unit comprising:
Further comprising a communication portion extending from the lower edge of the second body to the end of the rail in the vertical length direction of the second body,
And the protrusion is inserted from the communication unit to lift and raise the protrusion while the rail moves in accordance with forward and reverse rotation of the second body.
The method according to claim 1,
An imaginary first straight line extending from the one end of the rail along the vertical length direction of the second main body and an imaginary second straight line extending parallel to the upper and lower edges of the second body at the other end of the rail The distance from the point of meeting to the one end of the rail is greater than or equal to the reciprocating distance of the first body is equipped with the optical member on the upper side.
The method according to claim 5,
The second unit comprising:
And a seating recess recessed in a bottom surface of the rotating body to surround an upper edge of the housing.
The method according to claim 1,
The third unit,
At least one rack block forming a pattern in which peaks and valleys are sequentially repeated on an outer surface of the second unit;
And hooks formed at an inner side of the housing and having hooks at ends thereof, the hook pieces having a shape corresponding to the valleys of the rack blocks.
The method according to claim 1,
The third unit,
At least one rack block formed on an upper side of a rail formed to be inclined upwardly from a lower side of the second body, and forming a pattern in which peaks and valleys are sequentially repeated on an outer surface of the second body;
A cylindrical third body mounted on an inner circumferential surface of the housing;
And a hook that protrudes from the upper side of the third body to the rack block side and has a hook piece at an end thereof corresponding to the valley.
The method according to claim 5,
The third unit,
At least one rack block disposed under the rotor and forming a pattern in which peaks and valleys are sequentially repeated on an outer surface of the second body;
A cylindrical third body mounted on an inner circumferential surface of the housing and mounted on an inner circumferential surface of the housing, the upper edge of which is mounted on an inner circumferential surface of the housing;
And a hook that protrudes from the upper side of the third body to the rack block side and has a hook piece at an end thereof corresponding to the valley.
The method of claim 10,
And a plurality of rails formed on the second body, and the rack block is disposed between the rails and adjacent rails.
The method according to claim 10 or 11,
The third unit,
A plurality of cutouts cut from an upper edge of the third body,
A protrusion piece disposed between the cutout portion and the adjacent cutout portion and protruding from the outside of the third body to contact the inner surface of the housing;
And the hook extends from one side of the cutout along the rotational direction of the third body to allow elastic deformation while sequentially contacting the peaks and valleys.

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