TWI395988B - Adjusting apparatus for switching combination of optical elements - Google Patents

Description

Switching mechanism for switching optical component combinations

The invention relates to an adjustment mechanism for switching optical element combinations.

In everyday life, from the lighting of necessities to digital cameras for electronic consumer products, the use of optical components can be seen everywhere. Usually in a certain product, the mutual relationship of optical components is fixed. For example, in a lighting device, the illuminating light source is always combined with a fixed filter to emit a certain fixed color of light. In the lens module of a digital camera, the image sensor often cooperates with a series of fixed optical components to perform a relatively single function, and the performance thereof is also relatively simple.

In view of this, it is necessary to provide an adjustment mechanism for changing the mutual relationship between optical elements.

An adjustment mechanism for switching an optical component combination, comprising: a first carrier plate, a second carrier plate, a third carrier plate, a first rocker, a second rocker, a first optical component, a second optical component, and a third optical element. One end of the first rocker and one end of the second rocker are respectively pivotally connected to the first carrier plate. The first carrier plate is for carrying a first optical component. The other end of the first rocker and the other end of the second rocker are respectively pivotally connected to the second carrier plate and the third carrier plate. The second carrier board and the third carrier board are matched by a slide rail. The second carrier board and the third carrier board are provided with a plurality of receiving through holes for respectively carrying the second optical component and the third The optical component has a receiving through hole corresponding to the receiving through hole on the third carrying plate and has the same size.

Compared with the prior art, the adjusting mechanism of the switching optical component combination provided by the embodiment of the present invention can apply an external force to the first carrier plate, so that the first rocker and the second rocker respectively drive the second carrier and the third carrier to respectively slide. The accommodating through holes on the second carrier board are misaligned with the accommodating through holes on the third carrier board and are recombined, so that the relationship between the second optical element and the third optical element can be changed.

10,20‧‧‧Adjustment agency

100‧‧‧First carrier board

110,210‧‧‧First rocker

120,220‧‧‧second rocker

130,230‧‧‧Second carrier board

140,240‧‧‧3rd carrier board

150,152,156,158‧‧‧ pivot

154‧‧‧Image sensor

160,162,260,262‧‧‧ accommodating through holes

164,165‧‧‧ lens

170‧‧‧rails

172‧‧ ‧ ribs

254‧‧‧Light source

264, 265‧‧‧ Filters

1 is a perspective view of an adjustment mechanism of a first embodiment of the present invention.

Figure 2 is a top plan view of the adjustment mechanism of the first embodiment of the present invention.

Figure 3 is a side elevational view of the adjustment mechanism of the first embodiment of the present invention.

Figure 4 is a perspective view of the adjustment mechanism of the second embodiment of the present invention.

The adjusting mechanism of the switching optical component combination of the present invention comprises a first carrier, a first rocker, a second rocker, a second carrier and a third carrier. One end of the first rocker and one end of the second rocker are respectively pivotally connected to the first carrier plate. The first carrier plate is for carrying a first optical component. The other end of the first rocker and the other end of the second rocker are respectively pivotally connected to the second carrier plate and the third carrier plate. The second carrier plate and the third carrier plate are disposed parallel to the first carrier plate. And the second carrier plate and the third carrier plate are relatively slid by the rails. The second carrier board and the third carrier board are respectively provided with a plurality of receiving through holes for respectively carrying a plurality of different second optical elements and a plurality of different third optical elements. And the receiving through hole on the second carrier board corresponds to the receiving through hole on the third carrying board and has the same size.

The adjusting mechanism of the switching optical component combination can apply an external force to the first carrier plate, so that the first rocker and the second rocker respectively drive the second carrier plate and the third carrier plate to slide relative to each other. In this way, the accommodating through holes on the second carrier board are misaligned with the accommodating through holes on the third carrier board and are recombined, so that the relationship between the second optical element and the third optical element can be changed.

Referring to FIG. 1 to FIG. 3, a first embodiment of the present invention provides an adjustment mechanism 10 for switching optical component combinations, which can be used to implement optical zooming. The adjustment structure 10 includes a first carrier plate 100, a first rocker 110, a second rocker 120, a second carrier plate 130, and a third carrier plate 140.

One end of the first rocker 110 and one end of the second rocker 120 are connected to the first carrier plate 100 via pivots 150, 152, and the first rocker 110 and the second rocker 120 can be pivoted The shafts 150, 152 are oscillated in the same plane perpendicular to the first carrier plate 100. The first rocker 110 and the second rocker 120 are both rigid bodies, and their size and shape are not changed by external action. In this embodiment, the first carrier 100 is used to carry an image sensor 154. The image sensor 154 can be a charge coupled device (CCD) or a complementary metal oxide semiconductor (Complementary). Metal-oxide Semiconductor, CMOS). The image sensor is disposed between the pivots 150, 152.

The other end of the first rocker 110 and the other end of the second rocker 120 are connected to the second carrier 130 and the third carrier 140 via pivots 156158, 158156, respectively. The second carrier plate 130 and the third carrier plate 140 are disposed parallel to the first carrier plate 100. The first rocker 110 and the second rocker 120 maintain a certain angle. Preferably, in the initial state, the angle between the first rocker 110 and the second rocker 120 is between 30 degrees and 45 degrees.

A plurality of receiving through holes 160, 162 are respectively disposed on the second carrier plate 130 and the third carrier plate 140. The receiving through holes 160 of the second carrying board 130 correspond to the receiving through holes 162 of the third carrying board 140 and are the same size.

In this embodiment, a plurality of lenses 164 having different optical parameters are disposed in the plurality of circular receiving through holes 160 of the second carrier 130. The plurality of lenses 164 having different optical parameters may be spherical lenses or aspherical lenses. The optical parameters include a focal length, and the plurality of lenses 164 having different optical parameters have different focal lengths.

A plurality of lenses 165 having different optical parameters are disposed in the plurality of circular receiving through holes 162 on the third carrier plate 140. The plurality of lenses 165 having different optical parameters may be spherical lenses or aspherical lenses. The optical parameters include a focal length, and the plurality of lenses 165 having different optical parameters have different focal lengths.

A slide rail 170 is disposed on each side of the plurality of receiving through holes 160 of the second carrier plate 130. In this embodiment, the slide rail 170 is a T-shaped groove.

A rib 172 is disposed on each of the two sides of the plurality of receiving through holes 162 of the third carrier plate 140. In the embodiment, the ribs 172 are T-shaped bumps. The shape of the rib 172 matches the shape of the slide rail 170, and the rib 172 is embedded in the slide rail 170 and can slide relative to each other.

When the adjusting mechanism is used, the second carrier 130 and the third carrier 140 can be moved only in the Y direction and cannot move in the X direction using an external force or a fixing device (not shown). Applying force in the X direction to the first carrier plate 100. In the present embodiment, the first carrier 100 is moved in the X direction by a linear motor (not shown). Since the second carrier 130 and the third carrier 140 are only movable in the Y direction, the distance between the first carrier 100 and the second and third carrier plates 130, 140 is reduced by the motor. The angle between the first rocker 110 and the second rocker 120 increases. Since the first rocker 110 and the second rocker 120 are rigid bodies, and the size and shape thereof are not changed by the external action, the first rocker 110 and the second rocker 120 respectively drive the second carrier plate 130 under the external force. The third carrier plate 140 slides relative to both sides. At this time, the receiving through hole 160 of the second carrier 130 is misaligned and recombined with the receiving through hole 162 of the third carrying plate 140, and the lenses 164 and 165 having different optical parameter focal lengths are recombined to realize the zoom function. . Image sensor 154 is used to receive and The optical information produced by the scene after passing through the optical lens. The image sensor 154 is disposed opposite to the matching one of the plurality of through holes 160, 162.

Referring to FIG. 4, a second embodiment of the present invention provides an adjustment mechanism 20 for switching optical element combinations for adjusting a combination of filters to cause light sources to emit light of different colors. The adjustment mechanism 20 has the same structure as that of the adjustment mechanism 10 provided by the first embodiment, and the difference is that the first carrier 200 is used to carry the light source 254, and the receiving through hole 260 of the second carrier 230 is a square through hole and A filter 264 having different spectral characteristics is disposed therein, and the through hole 262 of the third carrier 240 is a square through hole and is provided with a filter 265 having different spectral characteristics. The light source 254 can be a point source, preferably a Light Emitting Diode (LED). The filters 264 and 265 may be infrared cut filters, infrared filters and various band pass filters, etc., and may also be red, green and blue three primary color filters.

When the adjusting mechanism 20 is used, the second carrier 230 and the third carrier 240 are fixed by using an external force or a fixing device (not shown), so that the second carrier 230 and the third carrier 240 can only move in the Y direction. Can't move in the X direction. Applying force in the X direction to the first carrier plate 200. In the present embodiment, the first carrier 200 is pushed in the X direction by a linear motor. Since the second carrier 230 and the third carrier 240 are only movable in the Y direction, the first rocker 210 and the second rocker 220 respectively drive the second carrier 230 and the third carrier 240 by the motor. Slide to the sides. At this time, the receiving through holes 260 of the second carrier 230 are misaligned with the receiving through holes 262 of the third carrying plate 240 and recombined, and the filters 264, 265 having different spectral characteristics are recombined. The light source 254 is disposed opposite the matching one of the plurality of through holes 260, 262. When the light source 254 emits white light, different adjustments of the filters can be changed by the adjustment mechanism 20 to differently process the light emitted by the light source 254 to achieve different effects. For example, when the light source 254 emits white light and the filter 264 is a long pass filter/short cut filter (above 380 nm or below /380 nm cut off), if the filter 265 combined therewith is a short pass filter Light film / long wave cut-off filter (Below 780 nm or above /780 nm or more), the light source 254 finally emits a light band between 380 nm and 780 nm. When the filter 265 combined with the other is a short pass filter/long-wave cut filter (below 560 nm or more / 560 nm or more cut off), the light source 254 finally emits a light band between 380 nm and 560 nm. , showing different colors of light. One of ordinary skill in the art can make different designs for the combination of filters according to different needs.

Compared with the prior art, the adjusting mechanism of the switching optical component combination provided by the embodiment of the present invention can apply an external force to the first carrier plate, so that the first rocker and the second rocker respectively drive the second carrier and the third carrier to respectively slide. The accommodating through holes on the second carrier board are misaligned with the accommodating through holes on the third carrier board and are recombined, so that the relationship between the second optical element and the third optical element can be changed. The adjustment mechanism can be used in optical components such as a camera module, an illumination source, and the like.

In summary, the present invention has indeed met the requirements of the invention patent, and has filed a patent application according to law. However, the above description is only a preferred embodiment of the present invention, and it is not possible to limit the scope of the patent application of the present invention. Equivalent modifications or variations made by those skilled in the art in light of the spirit of the invention All should be covered by the following patent application.

10‧‧‧Adjustment agency

100‧‧‧First carrier board

110‧‧‧First rocker

120‧‧‧Second rocker

130‧‧‧Second carrier board

140‧‧‧ Third carrier board

150,152‧‧‧ pivot

154‧‧‧Image sensor

160,162‧‧‧ accommodating through holes

164,165‧‧‧ lens

170‧‧‧rails

Claims (10)

An adjustment mechanism for switching an optical component combination, the improvement comprising: a first carrier plate, a second carrier plate, a third carrier plate, a first rocker, a second rocker, a first optical component, and a plurality of second optics And a plurality of third optical elements; one end of the first rocker and one end of the second rocker are respectively pivotally connected to the first carrier, and the first rocker and the second rocker can Swinging in a same plane perpendicular to the first carrier plate, the other end of the first rocker and the other end of the second rocker are respectively pivotally connected to the second carrier and the third carrier a first carrier is configured to carry a first optical component; a slide rail is disposed between the second carrier and the third carrier; and the second carrier and the third carrier are provided with a plurality of capacitors The through holes are respectively configured to carry the second optical element and the third optical element, and the receiving through holes on the second carrying plate correspond to the receiving through holes on the third carrying plate and have the same size. The adjustment mechanism of claim 1, wherein the first optical element is an image sensor, and the second optical element and the third optical element are lenses. The adjustment mechanism of claim 2, wherein the second optical element and the third optical element are spherical lenses or aspherical lenses, and the plurality of second optical elements and the plurality of third optical elements There are different focal lengths between them. The adjustment mechanism of claim 2, wherein the plurality of receiving through holes of the second carrier plate and the third carrier plate are circular through holes. The adjustment mechanism of claim 1, wherein the first optical element is a light source, and the second optical element and the third optical element are filters. The adjustment mechanism of claim 5, wherein the first optical element is a light emitting diode. The adjustment mechanism of claim 5, wherein the second optical element and the third optical element are an infrared cut filter, an infrared filter, or a band pass filter, and the plurality of second Between the optical elements and between the plurality of third optical elements are filters of different spectral characteristics. The adjusting mechanism of claim 5, wherein the plurality of receiving through holes of the second carrying plate and the third carrying plate are square through holes. The adjusting mechanism according to any one of the preceding claims, wherein the sliding rail comprises a groove and a protrusion, and the groove is disposed on two sides of the second receiving plate receiving through hole, The bumps are disposed on two sides of the third receiving plate receiving through hole, and the shape of the protruding block matches the shape of the groove, and the protruding block is embedded in the groove and is slidably engaged with the groove. The adjustment mechanism of claim 9, wherein the groove is a T-shaped groove.