CN201876592U

CN201876592U - Automatic focusing module

Info

Publication number: CN201876592U
Application number: CN201020643274XU
Authority: CN
Inventors: 黄澄仪; 曾德生; 许文鸿
Original assignee: Largan Precision Co Ltd
Current assignee: Largan Precision Co Ltd
Priority date: 2010-12-06
Filing date: 2010-12-06
Publication date: 2011-06-22
Anticipated expiration: 2020-12-06

Abstract

The utility model discloses an automatic focusing module, which at least comprises a bearing pedestal, an electric control zooming part and at least one power supply conductive part, wherein the bearing pedestal is at least accommodated with an ophthalmic lens, the electric control zooming part is assembled at one end of the bearing pedestal and is arranged on the same optical axis with the ophthalmic lens, the power supply conductive part is embedded in the bearing pedestal, and the power supply conductive part is respectively conducted with the electric control zooming part and an external power supply. The electric control zooming part is conducted with the power supply through the power supply conductive part. Through changing the amperage of the power supply, the curved surface of the electric control zooming part is adjusted to realize the automatic focusing. The automatic focusing module disclosed by the embodiment of the utility model can decrease the number of the parts of the module to reduce cost, has a simple manufacturing process since the power supply conductive part is embedded in the bearing pedestal with focus fixed in an injection molding way, and can avoid the power supply conductive part from contacting and conducting with the other parts since not the whole segment of the power supply conductive part are exposed outside.

Description

Automatic Focusing module

Technical field

The utility model relates to a kind of lens construction, particularly about a kind of automatic Focusing module.

Background technology

Along with digital development of science and technology is rapid, the frivolous day by day dexterity of electronic product requires simplifying with reduced volume and be easy to carry for member, and is simultaneously cumulative for the product demand of tool zoom function, impels the automatic focusing product that produces on the market with motor driven.Following disclosed automatic Focusing module, it is installed on outer side surface and upper surface plates a metal conduction layer, uses to connect electric control zooming spare and sensor:

Figure 1A is the vertical view of existing automatic Focusing module, and Figure 1B is the diagrammatic cross-section of the A-A along the line of Figure 1A.Fig. 2 A is the vertical view behind the member partly of removing of existing automatic Focusing module, and Fig. 2 B is the B-B diagrammatic cross-section along the line of Fig. 2 A.One existing automatic Focusing module 10 comprises a zoom and takes up seat 11, one an electric control zooming spare 12, and focus and take up seat 13, one camera lens 14 and a sensor 15.This zoom takes up seat 11 and comprises an electric control zooming spare storage tank 16 and be provided with a light hole, and this electric control zooming spare storage tank 16 is organized mutually with this electric control zooming spare 12 and established, and wherein this electric control zooming spare 12 can be controlled its curved transition and then reach the focusing demand by power supply.This focuses and takes up seat 13 and be provided with an internal screw thread 17 and organize mutually with this camera lens 14 and establish; And this focuses and takes up seat 13 and plate a metal conduction layer 18 at outer side surface and upper surface, by this metal conduction layer 18 this electric control zooming spare of conducting 12 and this sensor 15.Wherein this sensor 15 is provided with a substrate 19 and a sensing element 20, and this substrate 19 is provided with a power end, driving this electric control zooming spare 12, and then reaches focus function by power supply size that this power end provided.Yet above-mentioned existing automatic Focusing module 10 but has following shortcoming: 1. metal conduction layer conduction is unstable.2. the coating of metal conduction layer is made and is difficult for.3. the exposed metal conductting layer is easy to oxidation, and easily contacts conducting with other part or friction is peeled off.So prior art still has disappearance and haves much room for improvement.

The utility model content

The purpose of this utility model is for cutting down finished cost and increasing economic efficiency.

The automatic Focusing module that achieves the above object comprises at least: one takes up seat, an electric control zooming spare and a power supply conducting piece; Wherein, this takes up seat and is equipped with an eyeglass at least, and Yu Yiduan group establishes this electric control zooming spare, and this electric control zooming spare is positioned on the same optical axis with this eyeglass, and this power supply conducting piece imbeds this and takes up in the seat, and this power supply conducting piece is conducted with this an electric control zooming spare and an external power source respectively.

The automatic Focusing module of the utility model embodiment can reduce the module part number reducing cost, and because this power turn-on spare is imbedded this focuses and take up a back ejection formation, so manufacturing process is easy.And since this power turn-on spare be not whole section be exposed to outside, and then can avoid contacting conducting with other part.

Description of drawings

Accompanying drawing described herein is used to provide further understanding of the present utility model, constitutes the application's a part, does not constitute qualification of the present utility model.In the accompanying drawings:

Figure 1A is the vertical view of existing automatic Focusing module;

Figure 1B is the A-A diagrammatic cross-section along the line of Figure 1A;

Fig. 2 A removes vertical view behind the member partly for the existing automatic Focusing module of Figure 1A;

Fig. 2 B is the B-B diagrammatic cross-section along the line of Fig. 2 A;

Fig. 3 A is the vertical view of automatic Focusing module first embodiment of the utility model;

Fig. 3 B is the C-C diagrammatic cross-section along the line of Fig. 3 A;

Fig. 4 A is the vertical view behind the member partly of removing of automatic Focusing module first embodiment of the utility model;

Fig. 4 B is the D-D diagrammatic cross-section along the line of Fig. 4 A;

Fig. 5 A is the vertical view of the utility model sensor;

Fig. 5 B is the side view of the utility model sensor;

Fig. 6 A is the vertical view of automatic Focusing module second embodiment of the utility model;

Fig. 6 B is the E-E diagrammatic cross-section along the line of Fig. 6 A;

Fig. 7 A is the vertical view of automatic Focusing module the 3rd embodiment of the utility model;

Fig. 7 B is the F-F diagrammatic cross-section along the line of Fig. 7 A.

Drawing reference numeral:

100,200,300 automatic Focusing modules

110 zooms take up seat

120 electric control zooming spares

130 power supply conducting pieces

131 electrode tips

140 focus and take up seat

150 camera lenses

160 sensors

161 printed circuit board (PCB)s

162 power supplys are supplied with section

163 sensing elements

170 eyeglasses

180 conducting resinls

Embodiment

For making the purpose of this utility model, technical scheme and advantage clearer, the utility model embodiment is described in further details below in conjunction with accompanying drawing.At this, illustrative examples of the present utility model and explanation thereof are used to explain the utility model, but not as to qualification of the present utility model.

Automatic Focusing module of the present utility model will cooperate appended graphic detailed description the in detail by following specific embodiment.

See also Fig. 3 A and Fig. 3 B, show the schematic top plan view of first embodiment of the automatic Focusing module of the utility model and the C-C diagrammatic cross-section along the line of Fig. 3 A respectively.In this specific embodiment, the automatic Focusing module 100 of the utility model comprises a zoom at least and takes up seat 110, one an electric control zooming spare 120, at least one power supply conducting piece 130, and focus and take up seat 140, one camera lens 150 and a sensor 160, and wherein this camera lens 150 comprises an eyeglass 170 at least.

This zoom takes up the accommodation space that seat 110 has a penetration state.This electric control zooming spare 120 for example includes an optics of liquids camera lens; Preferably, this electric control zooming spare 120 can be flat, and this electric control zooming spare 120 and this zoom take up that seat 110 is relative to be mounted on this and to focus and take up seat 140 tops.This power supply conducting piece 130 is a conductive material, and this power supply conducting piece 130 takes up seat 110 with this zoom and is oppositely arranged, and is connected with 120 contacts of this electric control zooming spare.This camera lens 150 and this electric control zooming spare 120 relative actions on same optical axis, and this camera lens 150 with this focus take up the seat 140 bolts.This sensor 160 is provided with a printed circuit board (PCB) (PCB) 161, and this printed circuit board (PCB) 161 is provided with a plurality of power supplys at least one side and supplies with section 162 (seeing also Fig. 5 A), and wherein this sensor 160 focuses with this and takes up 140 relative groups and establish.This zoom take up seat 110, this focus take up seat 140 and this sensor 160 relatively group establish, and this focuses and takes up seat 140 and be disposed at this zoom and take up between seat 110 and this sensor 160.

This power supply conducting piece 130 is for impact briquetting and imbed this and focus and take up in the seat 140, and this power supply conducting piece 130 has the electrode tip 131 that extends towards horizontal direction more than at least two.Aforementioned two electrode tips 131 are formed at the top and the bottom of this power supply conducting piece 130 respectively, are conducted to supply with section 162 with these power supplys of this electric control zooming spare 120 and this printed circuit board (PCB) 161 respectively.Preferably, this electrode tip 131 of this power supply conducting piece 130 can be by a conducting resinl 180 with this power supply supply section 162 of this printed circuit board (PCB) 161 and is linked mutually.In addition, this electrode tip 131 of this power supply conducting piece 130 also can pass through a conducting resinl (scheming not shown) binding and mutual conduction with this electric control zooming spare 120.

Please continue to consult Fig. 3 B, when a power supply is supplied with this power supply give this sensor 160 and is supplied with section 162, this power supply is supplied with section 162 conduction power supplys this electrode tip 131 through this power supply conducting piece 130, this electric control zooming spare 120 so that electric current is flowed through, utilize the size of power supply supply and then allow the focal length of this electric control zooming spare 120 change, and then reach the effectiveness of autozoom, and not only reduce the complicacy of member and reduce optical mirror slip quantity, reduce cost greatly.

In sum, this zoom of the present utility model takes up seat 110 and focuses with this and take up 140 and utilize this electric control zooming spare 120, this power supply conducting piece 130 and this sensor 160 to link mutually; Wherein, this electric control zooming spare 120 size variation of utilizing power supply with change curved surface and adjust the focal position so that reach automatic focusing function.

Fig. 4 A is that this zoom of first embodiment of the automatic Focusing module 100 of the utility model takes up seat 110 and the vertical view of this electric control zooming spare 120 after being removed, and Fig. 4 B is the D-D diagrammatic cross-section along the line of Fig. 4 A.Fig. 5 A is the vertical view of the utility model sensor 160, and Fig. 5 B is the side view of the utility model sensor 160.This sensor 160 is provided with this printed circuit board (PCB) 161, and this printed circuit board (PCB) 161 is provided with a sensing element 163, and this printed circuit board (PCB) 161 is provided with a plurality of this power supplys in side and supplies with section 162, and its element connection relationship each other as mentioned before.

Fig. 6 A is the vertical view of second embodiment of the automatic Focusing module of the utility model, and Fig. 6 B is the E-E diagrammatic cross-section along the line of Fig. 6 A.In a second embodiment, the automatic Focusing module 200 of the utility model comprises an electric control zooming spare 120, at least one power supply conducting piece 130, focuses and takes up seat 140, one camera lens 150 and a sensor 160.

Second embodiment shown in Fig. 6 B is with respect to the difference of first embodiment shown in Fig. 3 B: the element of Fig. 6 B has been formed few " this zoom takes up seat 110 ", this electric control zooming spare 120 directly be mounted on this focus take up seat 140 epimeres partly in.The connection relationship of each element of second embodiment is identical with first embodiment with combination.

Fig. 7 A is the vertical view of the 3rd embodiment of the automatic Focusing module of the utility model, and Fig. 7 B is the F-F diagrammatic cross-section along the line of Fig. 7 A.In the 3rd embodiment, the automatic Focusing module 300 of the utility model comprises an electric control zooming spare 120, a power supply conducting piece 130, focuses and takes up seat 140 and one sensor 160.

The 3rd embodiment shown in Fig. 7 B is with respect to the difference of first embodiment shown in Fig. 3 B: the element of Fig. 7 B is formed and has been lacked " this zoom takes up seat 110 " and " this camera lens 150 ", wherein this electric control zooming spare 120 directly be mounted on this focus take up seat 140 epimeres partly in, and at least one eyeglass 170 is mounted on this and focuses and take up in the seat 140.Each element connection relationship each other of the 3rd embodiment is identical with first embodiment with combination.

No matter be first embodiment of the present utility model, second embodiment or the 3rd embodiment, its emphasis all is: the size variation of the power supply of this electric control zooming spare utilization supply is to change its curved surface, to adjust the focal position and then to reach automatic focusing.The utility model not only reduces the complicacy of member and then reduced volume and improves the utilization factor of accommodation space, and reduces member the convenience of assembling is provided, and then cuts down finished cost and enhance productivity.

Advantage of the present utility model is:

1. because this power turn-on spare is imbedded this focuses and take up a back ejection formation, so manufacturing process is easy.

This power turn-on spare be not whole section be exposed to outside, and then can avoid contacting conducting with other part.

3. can reduce the module part number to reduce cost.

After describing specific embodiment of the utility model in detail, those skilled in the art can clearly understand, can carry out various variations and change not breaking away under claim scope and the spirit, and the utility model also is not subject to the embodiment of the embodiment of instructions.

Claims

1. automatic Focusing module is characterized in that it comprises at least: one takes up seat, an electric control zooming spare and at least one power supply conducting piece; Wherein, describedly take up a ccontaining at least eyeglass in the seat, and in described take up the seat one an end group establish described electric control zooming spare, described electric control zooming spare is positioned on the same optical axis with described eyeglass, described power supply conducting piece is adopted to imbed to penetrate in described and is taken up in the seat, and described power supply conducting piece is conducted with a described electric control zooming spare and an external power source respectively.

2. automatic Focusing module as claimed in claim 1 is characterized in that, described electric control zooming element is flat.

3. automatic Focusing module as claimed in claim 1, it is characterized in that, more comprise a sensor and be mounted on the described other end that takes up seat, described sensor includes a substrate, described substrate is provided with at least one power supply at least one side and supplies with section, and described power supply is supplied with section and described power supply conducting piece mutual conduction.

4. automatic Focusing module as claimed in claim 1 is characterized in that, the electrode tip that described power supply conducting piece has more than two at least is exposed outside, and the described electrode tip of described power supply conducting piece is conducted with described electric control zooming spare and described external power source respectively.

5. automatic Focusing module as claimed in claim 4 is characterized in that, described power supply conducting piece is impact briquetting.

6. automatic Focusing module as claimed in claim 4 is characterized in that, the described electrode tip of described power supply conducting piece and described electric control zooming spare can link and mutual conduction by a conducting resinl.

7. automatic Focusing module as claimed in claim 4 is characterized in that, the described power supply of the described electrode tip of described power supply conducting piece and described substrate is supplied with section and can be linked and mutual conduction by a conducting resinl.