CN1442718A - Camera apparatus - Google Patents
Camera apparatus Download PDFInfo
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- CN1442718A CN1442718A CN 03100688 CN03100688A CN1442718A CN 1442718 A CN1442718 A CN 1442718A CN 03100688 CN03100688 CN 03100688 CN 03100688 A CN03100688 A CN 03100688A CN 1442718 A CN1442718 A CN 1442718A
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Abstract
The present invention provided an imaging apparatus capable of shutting off a light leaked from a joining face between a holder and a lens frame to an image device. The imaging apparatus 1 is characterized in that the lens frame 2 and the imaging device holder 5 are joined together, a first projection 6a projected toward the imaging device holder 5 is formed to a lens frame joining part 6 of the lens frame 2 joined with the imaging device holder 5 so as to extend to a circumferential edge 2a of the lens frame 2, and a second projection 7a projected toward the lens frame 2 is formed to a holder joining part 7 of the imaging device holder 5 joined with the lens frame 2 so as to extend to a circumferential edge 5a of the imaging device holder 5, and the lens frame 2 and the imaging device holder 5 are joined in a way that the first and second projections are overlapped in a direction in crossing with the projected directions of the first and second projections in order to solve the task above.
Description
Technical field
The present invention relates to a kind of camera head of taking subject.
Background technology
As shown in Figure 7, the existing camera head 100 that uses in camera (カ メ ラ) etc. has: be installed in the pick-up lens of being made up of two pieces of camera lens 30a, 30b 30 in the camera lens frame 20; Be arranged on the optical filter (light filter) 40 at pick-up lens 30 rears; And the light accepting part 50 that is arranged on these optical filter 40 rears.
Optical filter 40 is optical filters such as the quartzy optical filter that is complementary of the characteristic with CCD (charge-coupled image sensor) imaging apparatus 50a, cutoff filter, is made of by vertically disposed parallel flat components with respect to optical axis with exit facet the plane of incidence.In addition, this optical filter 40 is inserted among the optical filter installation portion 20a that is arranged on camera lens frame 20 rear portions.
Light accepting part 50 by CCD imaging apparatus 50a, keep outer package (package) 50b of this CCD imaging apparatus 50a and seal glass (glass) 50c that in front CCD imaging apparatus 50a is sealed among the outer package 50b constitutes, be fixed by the relative keeper of bonding agent (holder) 60.In addition, this keeper 60 is installed in the rearward end of camera lens frame 20, and 60a is fixed by bolt.And, in the flat 11-345955 of patent documentation TOHKEMY, disclose, with adhesive camera lens part and imaging apparatus, overcome the deviation of size without bolt with the thickness of bonding agent.
But, in existing camera head, the keeper of having fixed light accepting part is fixed on the rearward end of camera lens frame with bolt, therefore, when bolt is not fully tightened, or when camera lens frame and keeper can not fluid-tight engagement, the light that bleeds from the junction surface of keeper and camera lens frame might enter the CCD imaging apparatus.In addition, though consider to replace bolt to engage camera lens frame and keeper with bonding agent, the light that the bonding coat that form from bonding agent this moment bleeds also might enter the CCD imaging apparatus.
Summary of the invention
The present invention proposes in order to address the above problem, and its purpose is to interdict the light leak that enters imaging apparatus from the junction surface of keeper and camera lens frame.
For overcoming the above problems, camera head of the present invention for example as depicted in figs. 1 and 2, has: the camera lens frame, and it is equipped with pick-up lens in inside; And imaging apparatus keeper (CCD outer package), the imaging apparatus (CCD photoelectric sensor) that the image of the subject that photographs by above-mentioned pick-up lens is carried out opto-electronic conversion is equipped with in its inside; Above-mentioned camera lens frame and imaging apparatus keeper are bonded with each other, and it is characterized in that:
On the camera lens frame junction surface (flange part) that is engaged with the camera lens frame on the above-mentioned imaging apparatus keeper, form to the 1st side-prominent protuberance of imaging apparatus keeper one along the periphery of camera lens frame;
On the keeper junction surface that is engaged with the imaging apparatus keeper on the above-mentioned camera lens frame (outer package junction surface),, form to the 2nd side-prominent protuberance of camera lens frame one along the periphery of imaging apparatus keeper;
Above-mentioned camera lens frame and imaging apparatus keeper are joined so, and above-mentioned the 1st protuberance and the 2nd protuberance are overlapping on the direction of intersecting with the projection direction of these the 1st protuberances and the 2nd protuberance.
According to the present invention, camera lens frame and imaging apparatus keeper are joined so, the 1st protuberance and the 2nd protuberance are overlapping on the direction of intersecting with these projection direction, so can cover the light that bleeds from the outside by the lap of the 1st protuberance and the 2nd protuberance, therefore can cover the light leak that enters imaging apparatus from the gap at keeper junction surface and camera lens frame junction surface.
In addition, camera head of the present invention, for example as depicted in figs. 1 and 2, it is characterized in that: between the keeper junction surface of the camera lens frame junction surface of above-mentioned camera lens frame and above-mentioned imaging apparatus keeper, the knitting layer that existence is formed by bonding agent, above-mentioned camera lens frame and imaging apparatus keeper engage by this knitting layer.
According to the present invention,,, can adjust the distance between camera lens frame and the imaging apparatus keeper so pass through to adjust the thickness of this knitting layer because knitting layer is present between camera lens frame junction surface and the keeper junction surface.Thereby, even in the profile deviation that exists on camera lens frame and the imaging apparatus keeper on making,, also can easily adjust focus with respect to the imaging apparatus of pick-up lens by adjusting the distance of camera lens frame and imaging apparatus keeper.
In addition, camera head of the present invention for example as shown in Figure 3 and Figure 4, is characterized in that: in above-mentioned camera lens frame junction surface and above-mentioned keeper junction surface, one squarely become teat (flank), form the groove that embeds above-mentioned teat the opposing party,
Be present in the knitting layer between above-mentioned camera lens frame junction surface and the keeper junction surface, engage above-mentioned teat and groove.
Here, above-mentioned teat and groove also can form along the periphery at camera lens frame junction surface and the periphery at keeper junction surface, also can form with predetermined space.
In addition, above-mentioned teat and groove also can form one group, also can form more than two groups.
Have, teat can be held concurrently and is the side in above-mentioned at least the 1st protuberance and the 2nd protuberance again, and teat also can form respectively with the 1st protuberance and the 2nd protuberance.
In addition, also can be by on above-mentioned keeper junction surface, forming the 2nd protuberance of a plurality of parallel interval, with the part between the 2nd adjacent protuberance as above-mentioned groove, also can be by on camera lens frame junction surface, forming the 1st protuberance of a plurality of parallel interval, with the part between the 2nd adjacent protuberance as above-mentioned groove.Have again, also can be by on the keeper junction surface, forming groove, with the position of the both sides of this groove as the 2nd protuberance, also can be by on camera lens frame junction surface, forming groove, with the position of the both sides of this groove as above-mentioned the 1st protuberance.
According to the present invention, be present in knitting layer and projection and fillister joint between camera lens frame junction surface and the keeper junction surface, so, also will improve the bond strength at camera lens frame junction surface and keeper junction surface along with the increase of this bonding area.
In addition, camera head of the present invention is characterized in that as shown in Figure 5 and Figure 6: above-mentioned projection is outstanding towards the direction that the optical axis O with above-mentioned pick-up lens intersects, the direction depression that groove intersects towards the optical axis O with above-mentioned pick-up lens.
According to the present invention, projection is outstanding towards the direction that the optical axis with pick-up lens intersects, the direction depression that groove intersects towards the optical axis with pick-up lens, promptly, projection and groove are formed on the outside surface and inside surface at camera lens frame junction surface and keeper junction surface, therefore, along with further increase bonding area, also will further improve the bond strength at camera lens frame junction surface and keeper junction surface.
In addition, camera head of the present invention is characterized in that as depicted in figs. 1 and 2: above-mentioned bonding agent has light-proofness.
According to the present invention, bonding agent has light-proofness, so can improve the light-proofness of knitting layer, can improve the ability of blocking from the light leak at camera lens frame junction surface and keeper junction surface.
Description of drawings
Fig. 1 is an example of the 1st embodiment of the present invention, (a) is the planimetric map of camera head, (b) is the sectional view of A-A line among Fig. 1 (a).
Fig. 2 is an example of the 2nd embodiment of the present invention, (a) is the planimetric map of camera head, (b) is the A-A sectional view among Fig. 2 (a).
Fig. 3 is an example of the 3rd embodiment of the present invention, is the sectional view of the summary of expression camera head.
Fig. 4 is an example of the 4th embodiment of the present invention, is the sectional view of the summary of expression camera head.
Fig. 5 is an example of the 5th embodiment of the present invention, is the sectional view of the summary of expression camera head.
Fig. 6 is the planimetric map of expression CCD outer package major part.
Fig. 7 is the sectional view of existing camera head.
Embodiment
Below, about the camera head relevant, its embodiment is described with accompanying drawing with the present invention.But, do not limit invention scope in the illustrated example.
(the 1st embodiment)
As shown in Figure 1, the camera head 1 of the 1st embodiment is to use the camera head of pan focus camera (pan-foucus camera) etc., has: camera lens frame 2, its inside are provided with the pick-up lens 3 of taking subject; CCD outer package (imaging apparatus keeper) 5, its inside are equipped with the CCD photoelectric sensor (imaging apparatus) 4 that the subject image that photographs by pick-up lens 3 is carried out opto-electronic conversion; And camera lens frame 2 and CCD outer package 5 are bonded with each other.And in the following description, the top during photography among subject one side Fig. 1 (b) of camera is called the place ahead, is that below among Fig. 1 (b) is called the rear away from the direction of subject.
In addition, the outside in camera lens frame 2 rear ends along the periphery of camera lens frame 2, forms flange (flange) portion 6 that level is laterally stretched out, and this flange part 6 forms the camera lens frame junction surface 6 that is bonded on the camera lens frame 2 on the CCD outer package 5.And in the substantial middle position of the end face 6c of flange part 6,5 one the 1st side-prominent protuberance 6a extend and form at the periphery 2a of camera lens frame 2 to the CCD outer package.
CCD outer package 5 is the highly low rectangular plate shape things of width and, aspect ratio camera lens frame more bigger than the profile of the camera lens frame 2 that comprises flange part 6 to the length of inboard 2, and at the middle position of front end face 7c, being provided with more rearward, diameter becomes the stepped depression of dwindling 12 more.This depression 12 is formed by 4 stair-stepping steps that the front end face 7c from CCD outer package 5 begins.
And, on the 4th the stage portion 14b that begins from the place ahead that forms this depression 12, CCD photoelectric sensor (imaging apparatus) 4 is installed.In addition, the place ahead at this CCD photoelectric sensor 4, promptly begin on the 2nd the stage portion 12b of number, the OLPF (Optical Low Pass Fillter light low-pass filter) 15 of cover plate (cover glass) effect of playing CCD photoelectric sensor 4 is installed from the place ahead that forms this depression 12.
This OLPF15 be the plane of incidence and exit facet with respect to optical axis by vertically disposed parallel plane parts, the front end face of OLPF15 is arranged on the 1st a stage portion 5b side more on the front that begins than the place ahead from CCD outer package 5.And, respectively OLPF15 is fixed on the stage portion 12b with bonding agent etc., CCD photoelectric sensor 4 is fixed on the stage portion 14b.
In addition, by the front end face 7c of CCD outer package 5 and the 1st the step 7b that begins from the place ahead, the 2nd protuberance 7a forms to the side-prominent appearance of camera lens frame 2 one.The 2nd protuberance 7a extends and forms at the periphery 5a of CCD outer package 5, is the outer package junction surface (keeper junction surface) 7 that is bonded on the CCD outer package 5 on the camera lens frame 2.At this, the front end face 7c of CCD outer package 5 is arranged on the place ahead of OLPF15 front end face.
In addition, above-mentioned camera lens frame 2 is joined so with imaging apparatus keeper 5, and above-mentioned the 1st protuberance 6a and the 2nd protuberance 7a are nearly on the direction of intersecting with the projection direction of these the 1st protuberance 6a and the 2nd protuberance 7a, and half is overlapping.In the space that the front end face 7c with the end face 6c of the sidewall 6b in the 1st protuberance 6a outside, flange part 6 and CCD outer package 5 surrounds, there is the knitting layer 9 that forms by bonding agent 8 with light-proofness, make camera lens frame 2 and CCD outer package 5 joints by this knitting layer 9.In addition, dispose the sidewall 6b in the 1st protuberance 6a outside and the sidewall 7b of the 2nd protuberance 7a inboard with predetermined spacing distance.
Then, illustrate about the camera lens frame 2 of the 1st embodiment and the joint method of CCD outer package 5.
At first, on the front end face 7c of CCD outer package 5, scribble bonding agent 8 with light-proofness.And, the 1st protuberance 6a of camera lens frame 2 and the 2nd protuberance 7a of CCD outer package 5 are closely connect, make the 1st protuberance 6a embed the inboard of the 2nd protuberance 7a, on the direction of intersecting with the projection direction of these the 1st protuberance 6a and the 2nd protuberance 7a, make them that half coincidence roughly be arranged.Like this, in the space that the front end face 7c with the end face 6c of the sidewall 6b in the 1st protuberance 6a outside, flange part 6 and CCD outer package 5 surrounds, there is the knitting layer 9 that forms by bonding agent 8, makes camera lens frame 2 and CCD outer package 5 joints by this knitting layer 9.
At this moment, for before bonding agent 8 solidifies, adjusting the focus of the CCD photoelectric sensor 4 of pick-up lens 3, and adjust the distance of the sidewall 7b of sidewall 6b outside the 1st protuberance 6a and the 2nd protuberance 7a inboard, and the distance of the front end face 7c of the end face 6c of flange part 6 and CCD outer package 5.
According to aforesaid the 1st embodiment, camera lens frame 2 is joined so with imaging apparatus keeper 5, the 1st protuberance 6a and the 2nd protuberance 7a are only about half of overlapping on the direction of intersecting with the projection direction of these the 1st protuberances and the 2nd protuberance, therefore, can cover light leak by the 1st protuberance 6a and the 2nd protuberance 7a superposed part, can block from entering the light leak of CCD photoelectric sensor 4 between flange part 6 and the outer package junction surface 7 from the outside.
In addition, the front end face 7c of CCD outer package 5 is configured in the place ahead of OLPF15 front end face, therefore, when camera lens frame 2 engages with CCD outer package 5, can prevent OLPF15 front end face contact camera lens frame 2, can protect the OLPF15 front end face.
In addition, in the space that the front end face 7c with the end face 6c of the sidewall 6b in the 1st protuberance 6a outside, flange part 6 and CCD outer package 5 surrounds, there is knitting layer 9, therefore, by adjusting the thickness of this knitting layer 9, can adjust the distance of the front end face 7c of the end face 6c of flange part 6 and CCD outer package 5.Therefore, under the situations such as flatness error of flange part 6 end face 6c that the manufacture deviation that exists because of camera lens frame 2 and CCD outer package 5 produces and CCD outer package 5 front end face 7c, or under the thickness of OLPF15 situation devious, by adjusting the above-mentioned distance of camera lens frame 2 and CCD outer package 5, also can easily adjust focus to the CCD photoelectric sensor 4 of pick-up lens 3.
In addition, the bonding agent 8 that is clipped in the knitting layer 9 has light-proofness, therefore, can improve the light-proofness of knitting layer 9, can improve the barrier property from the light leak between flange part 6 and the outer package junction surface 7.
(the 2nd embodiment)
Then, relevant the 2nd embodiment is described.
The camera head 10 of the 2nd embodiment, as shown in Figure 2, be the 1st protuberance 6a of the 1st embodiment in the outside, the 2nd protuberance 7a is at the mutual camera head that changes the position of inboard, other textural element is the same with the 1st embodiment.Therefore, in camera head 10, give identical figure number to the textural element identical, and omit its explanation with the camera head 1 of the 1st embodiment.
At the end face 6c of flange part 6 outer ledge, the same with the 1st embodiment, 5 one the 1st side-prominent protuberance 6a extend and form at the periphery 2a of camera lens frame 2 to the CCD outer package.
Be provided with the stage portion 5c of depression rearward at the edge in CCD outer package 5 the place aheads, the height of height and the 1st stage portion 5b beginning from the place ahead that forms depression 12 about equally.And, by CCD outer package 5 front end face 7c, form the 1st the step 7b of depression 12 and the step 7d at CCD outer package 5 edges, formed to the 2nd side-prominent protuberance 7a of camera lens frame 2 one.In addition, the same with the 1st embodiment, the 2nd protuberance 7a extends and forms at the periphery 5a of CCD outer package 5, is the outer package junction surface 7 that is bonded on the CCD outer package 5 on the camera lens frame 2.
Then, illustrate about the camera lens frame 2 of the 2nd embodiment and the joint method of CCD outer package 5.
At first, on the stage portion 5c of CCD outer package 5, coat bonding agent 8 with light-proofness, the same with the 1st embodiment, the 1st protuberance 6a and the 2nd protuberance 7a are closely connect, make the 1st protuberance 6a embed the outside of the 2nd protuberance 7a, make these the 1st protuberance 6a and the 2nd protuberance 7a with direction that its projected direction intersects on roughly have half to overlap.Like this, in the space that the sidewall 7d by the stage portion 5c outside front end face 6e, the 2nd protuberance 7a of the 1st protuberance 6a and the 2nd protuberance 7a outside surrounds, there is the knitting layer 9 that forms by bonding agent 8, camera lens frame 2 and CCD outer package 5 engaged by this knitting layer 9.
At this moment, for the CCD photoelectric sensor 4 to pick-up lens 3 before cement solidifies is adjusted focus, and adjust the distance of the sidewall 7d in the sidewall 6d of the 1st protuberance 6a inboard and the 2nd protuberance 7a outside and the distance of the front end face 6e of the stage portion 5c in the 2nd protuberance 7a outside and the 1st protuberance 6a.
According to aforesaid the 2nd embodiment, except the effect the same with the 1st embodiment, camera lens frame 2 is joined so with imaging apparatus keeper 5, and the 1st protuberance 6a and the 2nd protuberance 7a are only about half of overlapping on the direction of intersecting with the projection direction of these the 1st protuberances and the 2nd protuberance.Therefore, even the 1st protuberance 6a of the 1st embodiment in the outside, the 2nd protuberance 7a is at the mutual camera head that changes the position of inboard, can cover light leak by the 1st protuberance 6a and the 2nd protuberance 7a superposed part, can block from entering the light leak of CCD photoelectric sensor 4 between flange part 6 and the outer package junction surface 7 from the outside.
In addition, in the space that the sidewall 7d by the stage portion 5c outside front end face 6e, the 2nd protuberance 7a of the 1st protuberance 6a and the 2nd protuberance 7a outside surrounds, there is knitting layer 9, therefore, by adjusting the thickness of this knitting layer 9, can adjust the distance of the front end face 6e of the stage portion 5c in the 2nd protuberance 7a outside and the 1st protuberance 6a.Therefore, under the situations such as flatness error of the front end face 6e of the stage portion 5c in the 2nd protuberance 7a outside that the manufacture deviation that exists because of camera lens frame 2 and CCD outer package 5 produces and the 1st protuberance 6a, also can easily adjust focus by adjusting the above-mentioned distance of camera lens frame 2 and CCD outer package 5 to the CCD photoelectric sensor 4 of pick-up lens 3.
(the 3rd embodiment)
Then, with reference to Fig. 3 the 3rd embodiment is described.
In the camera head 21 of the 3rd embodiment, the pick-up lens 3 of camera lens frame 2 and portion configuration within it, CCD outer package (imaging apparatus keeper) 5 and CCD photoelectric sensor (imaging apparatus) 4 that dispose of portion and OLPA15 etc. are the same with the 1st and the 2nd embodiment within it, therefore, in the illustrated while of simplifying them, give identical figure number to the textural element identical, and omit its explanation with the camera head 1,10 of the 1st and the 2nd embodiment.
The difference of the 3rd embodiment and the 1st and the 2nd embodiment is the structure at camera lens frame junction surface 6 and outer package junction surface (keeper junction surface) 7, therefore, below at length is illustrated with regard to these differences.
That is, on the end face 6c at camera lens frame junction surface 6, extend and form flank (rib) (teat) 18 along the periphery of camera lens frame 2.The section of this flank 18 becomes rectangle, the 1st protuberance 6a among double as the 1st and the 2nd embodiment.
In addition, on the front end face 7c at outer package junction surface 7, extend and form the groove 19 that embeds above-mentioned flank 18, the 2nd protuberance 7a among the position double as the 1st of the both sides of this groove 19 and the 2nd embodiment along the periphery of CCD outer package 5.
And, between the front end face 7c at the front end face 6c at camera lens frame junction surface 6 and outer package junction surface 7, the knitting layer 9 that existence is formed by the bonding agent with light-proofness, this knitting layer 9 are bonded on the medial surface and bottom surface of two sides of flank 18 and front end face, groove 19.
For engaging camera lens frame 2 and CCD outer package 5, at first, on the groove 19 of CCD outer package 5, coat the bonding agent of ormal weight, secondly, make camera lens frame 2 embed CCD outer package 5 by this flank 18 is embedded in grooves 19, and make flank 18 (the 1st protuberance 6a) and the 2nd protuberance 7a, 7a with direction that their projected directions intersect on overlap.At this moment, bonding agent in flank 18 compression pockets 19, therefore, this bonding agent that has been compressed is to groove 19 and diffusion on every side thereof, between the front end face 7c at the end face 6c at camera lens frame junction surface and outer package junction surface 7, the knitting layer 9 that existence is formed by bonding agent, this knitting layer 9 are bonded on the medial surface and bottom surface of two sides of front end face 7c, flank 18 at end face 6c, the outer package junction surface 7 at camera lens frame junction surface 6 and front end face, groove 19.Like this, by knitting layer 9 camera lens frame 2 and CCD outer package 5 are engaged.
And, for the CCD photoelectric sensor 4 to pick-up lens 3 before bonding agent solidifies is adjusted focus, and the distance of the medial surface of the side of adjustment flank 18 (the 1st protuberance 6a) and groove 19, and the distance of the front end face 7c of the end face 6c at camera lens frame junction surface 6 and CCD outer package 5.
According to the 3rd embodiment, camera lens frame 2 and CCD keeper 5 are joined so, flank 18 (the 1st protuberance 6a) and the 2nd protuberance 7a, 7a with direction that their projected direction intersects on overlap, therefore, intersection by the 1st protuberance 6a and the 2nd protuberance 7a, 7a can cover from the outside and enter light leak, can block from entering the light leak of CCD photoelectric sensor 4 between camera lens frame junction surface 6 and the outer package junction surface 7.
In addition,, can adjust the distance of camera lens frame 2 and CCD outer package 5, therefore, can easily adjust focal length the CCD photoelectric sensor 4 of pick-up lens 3 by adjusting the thickness of knitting layer 9.
Have again, the knitting layer 9 that is present between camera lens frame junction surface 6 and the outer package junction surface 7 engages with flank 18 and groove 19, therefore, along with the increase of this part bonding area, the effect of the bond strength at can be improved camera lens frame junction surface 6 and outer package junction surface 7.
(the 4th embodiment)
Then, with reference to Fig. 4 the 4th embodiment is described.
The difference of the camera head 22 of the 4th embodiment and the camera head 21 of the 3rd embodiment is the structures at camera lens frame junction surface 6 and outer package junction surface (keeper junction surface) 7, therefore followingly is illustrated with regard to these differences.And, to giving identical figure number, and omit its explanation with the 3rd embodiment same structure key element.
On the end face 6c at camera lens frame junction surface, extend and form two flanks (projection) 18,18 along the periphery of camera lens frame 2, and parallel interval ground forms.The section of flank 18 becomes rectangle, the 1st protuberance 6a among double as the 1st and the 2nd embodiment.
And, on the front end face at outer package junction surface 7, peripheral direction along CCD outer package 5 extends and 2 grooves 19,19 of the above-mentioned flank 18,18 of formation embedding, and parallel interval ground forms, a position between this groove 19,19 and a side's of groove 19 position difference double as the 1st and the 2nd protuberance 7a of the 2nd embodiment.
And, between the front end face 7c at the end face 6c at camera lens frame junction surface 6 and outer package junction surface 7, the knitting layer 9 that existence is formed by the bonding agent with light-proofness, the medial surface and the bottom surface of two sides of this knitting layer 9 and flank 18,18 and front end face, groove 19,19 engage.
According to the 4th embodiment, obtain with the same effect of the 3rd embodiment outside, be present in the knitting layer 9 between camera lens frame junction surface 6 and the outer package junction surface 7, two flanks 18 and two grooves 19 are engaged, so compare bonding area increases with the 3rd embodiment, therefore, the bond strength at camera lens frame junction surface 6 and outer package junction surface 7 will further be improved.
And, in the 3rd embodiment, formed two flanks 18 and two grooves 19 respectively, but also can form more than three.
In addition, in the 3rd and the 4th embodiment, on camera lens frame junction surface 6, form flank 18, on outer package junction surface 7, form groove 19, but in contrast, also can form flank 18 on the outer package junction surface 7, on camera lens frame junction surface 6, form groove 19.
Have again, also can be on the stage portion 5c in front end face 6e, the 2nd protuberance 7a outside of the front end face 7c of the end face 6c of the flange part among the 1st embodiment 6, CCD outer package 5 and the 1st protuberance 6a among the 2nd embodiment, the flank 18, the groove 19 that form among the above-mentioned the 3rd and the 4th embodiment engage.Block the light leak that enters CCD photoelectric sensor 4 better, and improve bond strength.
(the 5th embodiment)
Then, with reference to Fig. 5 and Fig. 6 the 5th embodiment is described.
The camera head 23 of the 5th embodiment, with camera head 21 differences of the 3rd embodiment are the structures at camera lens frame junction surface 6 and outer package junction surface (keeper junction surface) 7, therefore followingly be illustrated with regard to these differences.And, give identical figure number to the textural element identical, and omit its explanation with the 3rd embodiment.
At first, on camera lens frame junction surface 6, extend along the edge of camera lens frame 2 and form to the 1st side-prominent protuberance 6a of CCD outer package 5 one.On the 1st protuberance 6a outer surface, form the flank (projection) 24 of a plurality of rectangular plate shape with predetermined interval, it is outstanding to the direction vertical with the optical axis O of pick-up lens 3.
In addition, on outer package junction surface 7, extend and form to the 2nd side-prominent protuberance 7a of camera lens frame 2 one along the peripheral direction of CCD outer package 5.In the interior perimeter surface of the 2nd protuberance 7a, on periphery, form the groove 25 that embeds above-mentioned flank (projection) 24 with predetermined interval.This groove 25 form with the direction of light shaft positive cross on rectangular caving inward.
And, the 1st protuberance 6a and the 2nd protuberance 7a with direction that their projected direction intersects on overlap, and camera lens frame 2 and CCD outer package 5 are engaged.Between the front end face 7c at the end face 6c of the 1st protuberance 6a and outer package junction surface 7, the knitting layer 9 that existence is formed by the bonding agent with light-proofness, this knitting layer 9 extends laterally, and the medial surface and the bottom surface of two sides of flank 24 and front end face, groove 25 are engaged.
When engaging camera lens frame 2 and CCD outer package 5, at first, on the groove 25 of CCD outer package 5 and front end face 7c, coat the bonding agent of specified quantity, secondly, by making the 1st protuberance 6a embed the inboard of the 2nd protuberance 7a and making flank 24 embed groove 25, camera lens frame 2 is positioned on the CCD outer package 5, and make the 1st protuberance 6a and the 2nd protuberance 7a, 7a with direction that their projected direction intersects on overlap.At this moment, bonding agent on the front end face 7c at the 1st protuberance 6a end face 6c compression outer package junction surface 7, and the bonding agent in flank 24 compression pockets 25, therefore, this bonding agent that has been compressed diffusion around the front end face 7c at outer package junction surface 7 and groove 19 and them, between the front end face 7c at the end face 6c at camera lens frame junction surface 6 and outer package junction surface 7, the knitting layer 9 that existence is formed by bonding agent, this knitting layer 9 makes the end face 6c at camera lens frame junction surface 6, the front end face 7c at outer package junction surface 7, two sides of flank 24 and front end face, the inside surface of groove 25 and bottom surface engage.Like this, camera lens frame 2 and CCD outer package 5 are engaged by knitting layer 9.
According to the 5th embodiment, make the 1st protuberance 6a and the 2nd protuberance 7a with direction that their projected direction intersects on overlap, engage camera lens frame 2 and CCD outer package 5, the intersection of the 1st protuberance 6a and the 2nd protuberance 7a can cover the outside and enter light leak, can cover from entering the light leak of CCD photoelectric sensor 4 between camera lens frame junction surface 6 and the outer package junction surface 7.
In addition,, can adjust the distance of camera lens frame 2 and CCD outer package 5, therefore, can easily adjust focus the CCD photoelectric sensor 4 of pick-up lens 3 by adjusting the thickness of knitting layer 9.
Have again, flank 24 is outstanding on the direction vertical with optical axis O, groove 25 caves on the direction that the optical axis with pick-up lens intersects, promptly, on the interior perimeter surface at the outer surface at camera lens frame junction surface 6 and outer package junction surface 7, form flank 24 and groove 25, therefore, can further increase bonding area, thereby further improve the bond strength of camera lens frame junction surface 6a and keeper junction surface 7a.
And, by flank 24 is embedded grooves 25, can be easily the peripheral direction of camera lens frame 2 and CCD outer package 5 be positioned.
And the content of recording and narrating in the 1 one 5th embodiment is to carry out suitable change without departing from the spirit and scope of the present invention.
For example, in the 1st and the 2nd embodiment, be fixed on the OLPF on the 2nd stage portion in the place ahead of forming CCD outer package depression, play the effect of the cover plate of CCD photoelectric sensor, but also it can be changed over optical glass, OLPF is arranged on the 2nd inwall at the 2nd pick-up lens rear.In addition at this moment, the place after the front end face of the 1st protuberance is arranged on and more leans on than the surface at OLPF rear.
The effect of invention
As mentioned above, according to the present invention, make outstanding with them of the 1st protuberance and the 2nd protuberance Overlap on the direction that direction is intersected, engage camera lens frame and imaging apparatus keeper, therefore, can To interdict from entering the light leak of imaging apparatus between keeper junction surface and the camera lens frame junction surface.
According to the present invention, except obtaining above effect, because in camera lens frame junction surface and maintenance Therefore there is knitting layer in part between the junction surface, can adjust camera lens frame and imaging apparatus keeper Distance. Like this, even camera lens frame and imaging apparatus keeper have deviation on the profile during fabrication, Also can be easily to the imaging apparatus adjusting focal length of pick-up lens.
According to the present invention, except obtaining above effect, because camera lens frame junction surface and keeper In the middle of, at a square one-tenth protuberance, form the groove that embeds protuberance the opposing party, connect at the camera lens frame Close the knitting layer that exists between section and the keeper junction surface and be bonded on protuberance and the groove, so connect Close area and increase, will improve thus the bond strength at camera lens frame junction surface and keeper junction surface.
According to the present invention, except obtaining above effect, because protuberance and groove are formed on camera lens The outer surface at frame junction surface and keeper junction surface and interior perimeter surface are so can further increase Add the joint area, will improve thus the bond strength at camera lens frame junction surface and keeper junction surface.
According to the present invention, except obtaining above effect, because adhesive has light-proofness, institute Can improve the light-proofness of knitting layer, can improve between camera lens frame junction surface and the keeper The barrier property of the light leak that enters.
Claims (5)
1. camera head has: the camera lens frame, and it is equipped with pick-up lens in inside; And the imaging apparatus keeper, the imaging apparatus that the image of the subject that photographs by above-mentioned pick-up lens is carried out opto-electronic conversion is equipped with in its inside; Above-mentioned camera lens frame and imaging apparatus keeper are bonded with each other, and it is characterized in that:
On the camera lens frame junction surface that is engaged with the camera lens frame on the above-mentioned imaging apparatus keeper,, form to the 1st side-prominent protuberance of imaging apparatus keeper one along the periphery of camera lens frame;
On the keeper junction surface that is engaged with the imaging apparatus keeper on the above-mentioned camera lens frame,, form to the 2nd side-prominent protuberance of camera lens frame one along the periphery of imaging apparatus keeper;
Above-mentioned camera lens frame and imaging apparatus keeper are joined so, and above-mentioned the 1st protuberance and the 2nd protuberance are overlapping on the direction of intersecting with the projection direction of these the 1st protuberances and the 2nd protuberance.
2. according to the camera head of claim 1, it is characterized in that: between the keeper junction surface of the camera lens frame junction surface of above-mentioned camera lens frame and above-mentioned imaging apparatus keeper, the knitting layer that existence is formed by bonding agent, above-mentioned camera lens frame and imaging apparatus keeper engage by this knitting layer.
3. according to the camera head of claim 2, it is characterized in that: form teat on the side in above-mentioned camera lens frame junction surface and above-mentioned keeper junction surface, form the groove that embeds above-mentioned teat the opposing party,
Be present in the knitting layer between above-mentioned camera lens frame junction surface and the keeper junction surface, engage above-mentioned teat and groove.
4. according to the camera head of claim 3, it is characterized in that: above-mentioned projection is outstanding towards the direction that the optical axis with above-mentioned pick-up lens intersects, the direction depression that groove intersects towards the optical axis with above-mentioned pick-up lens.
5. according to each camera head among the claim 2-4, it is characterized in that: above-mentioned bonding agent has light-proofness.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP200213080 | 2002-01-22 | ||
| JP2002013080 | 2002-01-22 | ||
| JP2002343525 | 2002-11-27 | ||
| JP2002343525A JP2003289457A (en) | 2002-01-22 | 2002-11-27 | Image apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1442718A true CN1442718A (en) | 2003-09-17 |
| CN1316277C CN1316277C (en) | 2007-05-16 |
Family
ID=27806900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031006884A Expired - Fee Related CN1316277C (en) | 2002-01-22 | 2003-01-17 | Camera apparatus |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2003289457A (en) |
| CN (1) | CN1316277C (en) |
| TW (1) | TW571173B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100462763C (en) * | 2004-11-08 | 2009-02-18 | 松下电器产业株式会社 | Lens unit |
| US7626773B2 (en) | 2004-11-08 | 2009-12-01 | Panasonic Corporation | Lens unit |
| CN103336349A (en) * | 2008-04-03 | 2013-10-02 | 柯尼卡美能达株式会社 | Imaging device and imaging device manufacturing method |
| CN104749857A (en) * | 2013-12-27 | 2015-07-01 | 三星电机株式会社 | Camera module |
| CN109416454A (en) * | 2016-07-05 | 2019-03-01 | 夏普株式会社 | Optical device |
| CN112492135A (en) * | 2014-12-17 | 2021-03-12 | Lg伊诺特有限公司 | Camera module |
| CN112824946A (en) * | 2019-11-18 | 2021-05-21 | 宁波舜宇车载光学技术有限公司 | Optical lens |
| CN113132595A (en) * | 2015-07-27 | 2021-07-16 | Lg伊诺特有限公司 | Camera module |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006086672A (en) * | 2004-09-15 | 2006-03-30 | Nidec Copal Corp | Imaging module |
| JP4582407B2 (en) * | 2005-02-04 | 2010-11-17 | ソニー株式会社 | Image sensor unit, lens barrel, and image pickup apparatus |
| JP4695968B2 (en) * | 2005-11-21 | 2011-06-08 | アルプス電気株式会社 | The camera module |
| JP5047679B2 (en) * | 2007-04-26 | 2012-10-10 | オリンパスメディカルシステムズ株式会社 | Imaging unit and method for manufacturing the imaging unit |
| JP2009115847A (en) * | 2007-11-01 | 2009-05-28 | Alps Electric Co Ltd | Camera module |
| DE102009055088B4 (en) | 2009-12-21 | 2015-04-02 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Method for producing a structure, optical component, optical layer stack |
| DE102009055083B4 (en) * | 2009-12-21 | 2013-12-05 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Optical layer stack and method for its production |
| US10715710B2 (en) * | 2016-08-29 | 2020-07-14 | Kyocera Corporation | Camera module, imaging apparatus, and vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0627359A (en) * | 1992-07-10 | 1994-02-04 | Canon Inc | Light shielding device of optical apparatus |
| JPH0628917U (en) * | 1992-09-10 | 1994-04-15 | スタンレー電気株式会社 | Mounting structure for lens and extension |
| JPH11345955A (en) * | 1998-05-29 | 1999-12-14 | Sony Corp | Integrated lens solid-state image sensor and method and device for mounting lens thereof |
| JP4432182B2 (en) * | 2000-01-26 | 2010-03-17 | 株式会社ニコン | Shielding device and camera equipped with shielding device |
| JP3651577B2 (en) * | 2000-02-23 | 2005-05-25 | 三菱電機株式会社 | Imaging device |
| JP2003032525A (en) * | 2001-05-09 | 2003-01-31 | Seiko Precision Inc | Solid state imaging apparatus |
| CN1237363C (en) * | 2001-06-15 | 2006-01-18 | 雅客设计有限公司 | Harmful light leakage preventer for digital still life camera lens assembly area |
-
2002
- 2002-11-27 JP JP2002343525A patent/JP2003289457A/en active Pending
-
2003
- 2003-01-17 CN CNB031006884A patent/CN1316277C/en not_active Expired - Fee Related
- 2003-01-21 TW TW92101187A patent/TW571173B/en not_active IP Right Cessation
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100462763C (en) * | 2004-11-08 | 2009-02-18 | 松下电器产业株式会社 | Lens unit |
| US7626773B2 (en) | 2004-11-08 | 2009-12-01 | Panasonic Corporation | Lens unit |
| CN103336349A (en) * | 2008-04-03 | 2013-10-02 | 柯尼卡美能达株式会社 | Imaging device and imaging device manufacturing method |
| CN104749857A (en) * | 2013-12-27 | 2015-07-01 | 三星电机株式会社 | Camera module |
| CN112492135A (en) * | 2014-12-17 | 2021-03-12 | Lg伊诺特有限公司 | Camera module |
| CN112492135B (en) * | 2014-12-17 | 2022-11-04 | Lg伊诺特有限公司 | Camera module |
| CN113132595A (en) * | 2015-07-27 | 2021-07-16 | Lg伊诺特有限公司 | Camera module |
| CN109416454A (en) * | 2016-07-05 | 2019-03-01 | 夏普株式会社 | Optical device |
| CN112824946A (en) * | 2019-11-18 | 2021-05-21 | 宁波舜宇车载光学技术有限公司 | Optical lens |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2003289457A (en) | 2003-10-10 |
| CN1316277C (en) | 2007-05-16 |
| TW200305047A (en) | 2003-10-16 |
| TW571173B (en) | 2004-01-11 |
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