CN1123789C - Image packing-up device with elastic light source pedestal - Google Patents
Image packing-up device with elastic light source pedestal Download PDFInfo
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- CN1123789C CN1123789C CN 00115417 CN00115417A CN1123789C CN 1123789 C CN1123789 C CN 1123789C CN 00115417 CN00115417 CN 00115417 CN 00115417 A CN00115417 A CN 00115417A CN 1123789 C CN1123789 C CN 1123789C
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- light source
- image capture
- pedestal
- module
- capture unit
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Abstract
The present invention discloses an image packing-up device provided with an elastic light source pedestal. The present invention is composed of a light source, a slide base block, a light source pedestal, a sliding element or a rolling element, an elastic element, a lens die set, a transparent window, etc. The light source pedestal is connected to the lens die set by the elastic element by the present invention, and thus, the light source approaches to the scanning transparent window to obtain maximal light source intensity. The elastic element can absorb dimensional errors of other elements to enhance a qualified rate of an integral combined product.
Description
The invention relates to a kind of image capture unit, especially a kind of image capture unit with elastic light source pedestal.
The optics module can be subdivided into light source module and eyeglass module two parts, and this all is the same in single optics module or two optics module, and the light source module is meant the assembly that light source is provided, and comprises light source and light source base; The eyeglass module then is an assembly of handling the light that has image information, the module framework that comprises reflecting optics and have the light groove.Conventional lighting sources module and eyeglass module two parts interfix.
Fig. 1 is the structural representation of existing technology;
The optics module of existing image capture unit, include light source 16, with light source retaining element 18 light source 16 is fixed in light source base 12 tops, 12 of light source base are fixed in the top appropriate location of eyeglass module 10, so that the optical path of light source 16 is in exposing to the later light that contains image information of scanning object, can enter in the light groove 14, carry out the processing of next step.
Fig. 2 is the lateral plan of Fig. 1;
The ejaculation light of light source 16 arrives transparency window 20, and the scanning object 50 of transparency window 20 tops is found a view, and the information light 22 that contains image enters in the eyeglass module 10, arrives first eyeglass 102, carries out the processing of next step.
Because the permissible aberration of each element manufacture process must be set the change in size amount of permission after assembling is finished, so that improve the qualification rate of integral product.In order to absorb the change in size amount of these permissions, typical mode, be when design, the peak of desirable optics module is remained on the 3mm place, below of transparency window 20, to avoid the optics module in coming the process of flyback retrace, excessive because of the error of aforementioned each element or processing procedure, cause the flaw that blocks below the transparency window 20 of image capture unit.As shown in Figure 2, light source base 12 is in the extreme higher position in the optics module usually, and arrow is denoted as distance among the figure, promptly keeps the extreme higher position in the optics module, makes the distance that keeps about 3mm.After actual product assembling, the optics module of size summation deviation maximum is exactly almost the permissible aberration of 3mm to be eaten up and be close to and pasting the transparency window below and slide.
The purpose of this invention is to provide a kind of increase intensity of light source, reduce element or foozle, improve the image capture unit with elastic light source pedestal of product percent of pass.
The object of the present invention is achieved like this: the present invention is made up of light source, slip matrix, light source base, sliding members or rolling element, flexible member, eyeglass module and transparency window etc.;
For design, be modified to the below of light source 16 with the permissible aberration of aforementioned existing technology.Make light source 16 can be close to the below of pasting and slide, so, can make full use of the intensity of light source 16 in transparency window 20.Then, be connected and fixed on light source base 12 belows on the eyeglass module 10 of below with flexible member, like this, flexible member can absorb the variation of the component size that fabrication errors produces, when fully can be not excessive, cause the optics module to block flaw below the transparency window 20 of image capture unit because of the error of each element or manufacture process.
Fig. 1 is the prior art constructions synoptic diagram;
Fig. 2 is the lateral plan of Fig. 1;
Fig. 3 is the embodiment of the invention one;
Fig. 4 is the partial enlarged drawing of Fig. 3;
Fig. 5 is embodiments of the invention two;
Fig. 6 is embodiments of the invention three;
Fig. 7 is embodiments of the invention four;
Fig. 8 is embodiments of the invention five;
Fig. 9 is the lateral plan of Fig. 8;
Figure 10 is embodiments of the invention six;
Figure 11 is that slip matrix of the present invention changes design one;
Figure 12 is that slip matrix of the present invention changes design two;
Figure 13 is that slip matrix of the present invention changes design three;
Figure 14 is the sectional view of Figure 13;
Figure 15 is embodiments of the invention seven;
Figure 16 is the lateral plan of Figure 15;
Figure 17 is embodiments of the invention eight;
Figure 18 is the lateral plan of Figure 17;
With reference to accompanying drawing, in conjunction with the embodiments, the present invention is described in further detail.
Fig. 3 is the embodiment of the invention one;
By diagram as can be known, the present invention is made up of light source (16), glide base (38), light source base (12), flexible member (30), eyeglass module (10) and transparency window (20) etc.Wherein light source 16 is fixed in the light source base 12 with slip matrix 38, the light source module with near or pasting transparency window 20 belows and sliding, light source 16 is very near transparency window 20, the maximum intensity effect of performance light source 16, the below of light source module with flexible member 30 flexible fastenings on eyeglass module 10.
Fig. 4 is the partial enlarged drawing of Fig. 3, illustrates the same.Slip matrix 38 wherein can be made as nylon etc. with the material of low frictional factor, and light source module smooth-going friction wheel function below transparency window 20 can be provided.
Fig. 5 is embodiments of the invention two;
The other materials of matrix 38 non-low frictional factors is made if the design and previous design difference are to slide, then can make the sliding members 382 of a low frictional factor on the top, light source module smooth-going friction sliding function below transparency window 20 is provided.
Fig. 6 is embodiments of the invention three;
The design is designed to the n type with slip matrix 68, and make with the material of low frictional factor; The top end face 682 of slip matrix 68 is as sliding members, and light source module smooth-going friction wheel function below transparency window 20 is provided.
Fig. 7 is embodiments of the invention four;
The other materials of matrix 68 non-low frictional factors is made if the design and previous design difference are to slide, then can make the sliding members 782 of a low frictional factor on the top, the smooth-going friction wheel function in transparency window 20 belows of light source module is provided.
Fig. 8 is embodiments of the invention five;
The design is used as sliding members with 182 two of the long strip type materials of low frictional factor, be separately fixed at the below of transparency window 20, correspond respectively to the set slip matrix in light source 16 both sides, light source module smooth-going friction wheel function below transparency window 20 is provided.Light source module below is connected in eyeglass module 10 with flexible member 30.
The lateral plan of Fig. 8 on Fig. 9;
The long strip type material 182 that shows low frictional factor is used as sliding members, is fixed in the situation of the below of transparency window 20, and light source module smooth-going friction wheel function below transparency window 20 is provided.Light source module below is connected in eyeglass module 10 with flexible member 30.
Figure 10 is embodiments of the invention six;
The long strip type material 182 that shows low frictional factor is fixed in the situation of the below of transparency window 20, cooperates the running of n slip matrix 68, and light source module smooth-going friction wheel function below transparency window 20 is provided.
Figure 11 is that slip matrix of the present invention changes design one;
Show that slip matrix 78 of the present invention has been designed to arm U type, flexible member 30 can be settled in two arms below.Like this, can utilize above the module housing of eyeglass module 10 as its light source base.
Figure 12 is that slip matrix of the present invention changes design two;
What the design was different with last design is that slip matrix 88 has been designed to arm sealing U type, and flexible member 30 can be settled in two arms below.
Figure 13 is that slip matrix of the present invention changes design three;
The design is the material with low frictional factor, with coating, electroplate or the mode of parcel, as thin as a wafer sliding members 98 directly is produced on both sides on the surface of light source 16, and smooth-going sliding function is provided.
Figure 14 is the sectional view of Figure 13;
Its display light source 16 is very near transparency window 20, and distance only is the thickness of sliding members 98 at interval.Like this, can bring into play the maximum efficiency of light source.
Figure 15 is embodiments of the invention seven;
What the design was different with the front is, sliding members adopts the design of rolling element, and remaining principle is constant, and light source base 12 is provided with light source retaining element 108, and rolling element is arranged on the light source retaining element 108.Show among the figure to be placed on the light source retaining element 108, as the interface member between light source base 12 and the transparency window 20 with two rollers 70.
Figure 16 is the lateral plan of Figure 15;
Show among the figure that two rollers 70 are placed on the light source retaining element 108, be illustrated as and settle two rollers 70.Two rollers 70 roll in the mode of rolling and are connected in the below of transparency window 20.
The alternate embodiment of roller also can use impartial elements such as ball or steel ball to replace it.
Figure 17 is embodiments of the invention eight;
What embodiment of the design and front was different is, rolling element adopts the design of single roller, and remaining principle is constant.Show among the figure to be placed on the light source retaining element 108, as the interface member between light source base 12 and the transparency window 20 with single roller 702.
Figure 18 is the lateral plan of Figure 17;
Show among the figure that single roller 702 is placed on the light source retaining element 108, be illustrated as and settle single roller 702.Single roller 702 rolls in the mode of rolling and is connected in the below of transparency window 20.
The alternate embodiment of two rollers also can be used on two or two above less roller side by side, also can use ball or steel ball etc. to be placed on the light source retaining element 108 and the position between the transparency window 20.
In the prior art, the thickness of typical transparency window 20 is 3mm, and the peak that typical tolerant distance promptly is the light source module to the bottom surface distance of transparency window 20 is 3mm; In the present invention, the peak of light source module to the bottom surface distance of transparency window 20 is less than 0.2MM.According to the calculating that square is inversely proportional to of the intensity of light source and distance, can learn that when an ad-hoc location the former strength factor is 1/ (3+3)
2=1/36, the latter's strength factor is 1/ (3+0.2)
2=1/10.24; Two compare it, promptly are, the latter's intensity will be the former intensity (1/10.24)/(1/36)=3.52 times.Show that the present invention can make full use of the maximum intensity of light source, not only for the utilization performance maximum function of the energy, because intensity increases, and the required time shutter of Image sensor apparatus just shortens relatively, therefore sweep velocity can improve simultaneously.There are two tubes of use to increase the intensity of light source (two tubes only are increased to the intensity of twice in principle) in the prior art, also there is the tubes of use to add reflection lampshade and focusing cylindrical mirror, be increased to 1.6 times intensity approximately according to experiment) increase the intensity of light source, though these do not conflict mutually with the present invention in order to the prior art that increases the intensity of light source, in other words, the use of also can arranging in pairs or groups mutually each other, yet compare mutually as independent and the present invention, can clearly find, the present invention not only cost is low far beyond prior art, it is excellent especially incomparable than prior art on this major subjects of increase of the intensity of light source.In addition, the present invention more can solve the error of each element or processing procedure when excessive fully because slide the transparency window below that is attached to image capture unit that can be smooth-going, causes the optics module to block the danger of the flaw below the transparency window of image capture unit.
It can be to make so that the material of low frictional factor is direct that slip matrix of the present invention is wanted, and the function of sliding members also just is provided this moment; It can be material with non-low frictional factor that glide base of the present invention returns matrix, at this moment, the then surperficial thereon sliding members of making a low frictional factor, or make the sliding members 182 of a long strip type low frictional factor at transparency window 20 lower surfaces, smooth-going wheel function is provided.
Slip matrix of the present invention can be served as the retaining element of light source 16 simultaneously and the smooth-going function that slides is provided; Also can be separately for the smooth-going function setting that slides is provided, and be different from the retaining element of other light source; Perhaps also can be attached on the light source base, and be the part of light source base.Flexible member 30 used in the present invention be with leaf spring as synoptic diagram, other are every can to provide the flexible members that equate function, including but not limited to the simple substitute of impartial elements such as volute spring, elastic belt, remains feasible.
In sum, compared with prior art, the present invention really have increase the intensity of light source, reduce element or Fabrication errors, the product percent of pass effect that improves.
Claims (12)
1, a kind of image capture unit with elastic light source pedestal is made up of light source, light source base, sliding members or rolling element, slip matrix, flexible member, eyeglass module and transparency window etc.; It is characterized in that: wherein light source (16) is fixed in the light source base (12) with slip matrix (38), the light source module near or pasting the below of transparency window (20), light source (16) is near transparency window (20), the below of light source module with flexible member (30) flexible fastening on eyeglass module (10).
2, the image capture unit with elastic light source pedestal as claimed in claim 1 is characterized in that: wherein said slip matrix (38) is made with the material of low frictional factor.
3, the image capture unit with elastic light source pedestal as claimed in claim 1 or 2, it is characterized in that: the material of wherein said low frictional factor is meant nylon.
4, the image capture unit with elastic light source pedestal as claimed in claim 1 is characterized in that: wherein said sliding members (98) is the surface that directly is produced on light source (16).
5, the image capture unit with elastic light source pedestal as claimed in claim 1 is characterized in that: wherein said slip matrix (68) is the n type, and made with the material of low frictional factor; The top end face (682) of slip matrix (68) is as sliding members.
6, the image capture unit with elastic light source pedestal as claimed in claim 1, it is characterized in that: wherein said sliding members is two long strip type materials (182), be individually fixed in the below of transparency window (20), correspond respectively to the set slip matrix in light source (16) both sides, light source module below is connected in eyeglass module (10) with flexible member (30).
7, the image capture unit with elastic light source pedestal as claimed in claim 1, it is characterized in that: wherein said slip matrix (78) is for there being arm U type, flexible member (30) can be settled in two arms belows, above the module housing of eyeglass module (10) as its light source base.
8, the image capture unit with elastic light source pedestal as claimed in claim 1 is characterized in that: wherein said slip matrix (88) is for there being arm sealing U type, and flexible member (30) can be settled in two arms below.
9, the image capture unit with elastic light source pedestal as claimed in claim 1, it is characterized in that: wherein said light source base (12) is provided with light source retaining element (108), rolling element is arranged on the light source retaining element (108), and rolling is connected in the below of transparency window (20).
10, as claim 1 or 9 described image capture units with elastic light source pedestal, it is characterized in that: wherein said rolling element is meant roller or steel ball.
11, as claim 1 or 9 described image capture units with elastic light source pedestal, it is characterized in that: wherein said rolling element is meant single roller (702).
12, as claim 1 or 9 described image capture units with elastic light source pedestal, it is characterized in that: wherein said rolling element is meant two rollers (70).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00115417 CN1123789C (en) | 1999-09-16 | 2000-04-20 | Image packing-up device with elastic light source pedestal |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN99116878.X | 1999-09-16 | ||
| CN99116878 | 1999-09-16 | ||
| CN 00115417 CN1123789C (en) | 1999-09-16 | 2000-04-20 | Image packing-up device with elastic light source pedestal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1289059A CN1289059A (en) | 2001-03-28 |
| CN1123789C true CN1123789C (en) | 2003-10-08 |
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ID=25739439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00115417 Expired - Lifetime CN1123789C (en) | 1999-09-16 | 2000-04-20 | Image packing-up device with elastic light source pedestal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1123789C (en) |
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2000
- 2000-04-20 CN CN 00115417 patent/CN1123789C/en not_active Expired - Lifetime
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| Publication number | Publication date |
|---|---|
| CN1289059A (en) | 2001-03-28 |
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Granted publication date: 20031008 |