CN102298184A

CN102298184A - Camera module and assembling method thereof

Info

Publication number: CN102298184A
Application number: CN2010102100839A
Authority: CN
Inventors: 林铭源; 张仁淙
Original assignee: Hongfujin Precision Industry Shenzhen Co Ltd; Hon Hai Precision Industry Co Ltd
Current assignee: Hongfujin Precision Industry Shenzhen Co Ltd; Hon Hai Precision Industry Co Ltd
Priority date: 2010-06-25
Filing date: 2010-06-25
Publication date: 2011-12-28
Anticipated expiration: 2030-06-25
Also published as: CN102298184B

Abstract

The invention relates to a camera module which comprises a lens component and a substrate component, wherein the substrate component is mounted on the lens component; the lens component comprises a lens, a lens cone and a lens base; the lens cone is used for accommodating the lens; the lens base is used for accommodating the lens cone; the substrate component comprises a plate body and an image sensing unit mounted on one surface of the plate body; a slant friction surface is formed on the side surface of the plate body; and the side surface is close to the surface on which the image sensing unit is mounted. The camera module provided by the invention has higher quality. The invention also provides an assembling method of the camera module.

Description

Shooting module and assemble method thereof

Technical field

The present invention relates to a kind of shooting module and assemble method thereof.

Background technology

General shooting module comprises eyeglass, holds the microscope base and the substrate of eyeglass.Substrate is provided with Image Sensor, is used for the light signal from eyeglass is converted to electric signal.During assembling, earlier eyeglass is installed in the microscope base, utilize again anchor clamps with substrate orientation in the precalculated position, adopt surface mounting technology that substrate is installed on the microscope base, thereby with microscope base and substrate package together, form the module of making a video recording.

In the above-mentioned assembling process, the position of substrate is for preestablishing, and still, may there be alignment error in eyeglass when being installed in the microscope base, causes the center of the Image Sensor on the substrate and the misalignment of eyeglass, influences image quality, perhaps causes defective products to increase.

Summary of the invention

In view of foregoing, be necessary the shooting module and the assemble method thereof that provide a kind of quality higher.

A kind of shooting module, it comprises lens assembly, is installed in the board unit on the lens assembly.Lens assembly comprises eyeglass, accommodate the lens barrel of this eyeglass and hold the microscope base of this lens barrel.Board unit comprises plate body and is installed in a lip-deep Image Sensor of this plate body.Be formed with the rubbing surface of inclination on contiguous this surperficial side of plate body.

A kind of assemble method of the module of making a video recording, it comprises the steps: to provide a lens assembly, and this lens assembly comprises eyeglass and accommodates the lens barrel of this eyeglass; One board unit is provided, this lens assembly comprises eyeglass, accommodate the lens barrel of this eyeglass and hold the microscope base of this lens barrel, board unit comprises that plate body and position are used to receive the Image Sensor of the light signal of comfortable eyeglass on this plate body one surface, and this light signal is converted into electric signal; Be formed with the rubbing surface of inclination on the side of plate body and Image Sensor vicinity; One first clamp body that moves this substrate is provided, and this first clamp body is formed with the clamping face that matches with this rubbing surface; One contact base is provided, and this contact base comprises the probe that electrically connects separably with plate body; One image display is provided, and image display links to each other with this contact base and Image Sensor institute electrical signal converted is shown as image; First clamp body according to the relative position of the shown picture quality of this image display fine setting lens assembly and board unit to aim at this eyeglass and this Image Sensor; Plate body is fixed on this camera lens module.

The assemble method of above-mentioned shooting module utilizes image display to monitor image quality in real time, and utilize the relative position of floating holder fine tuning video sensing element and lens assembly according to image quality, to aim at Image Sensor and camera lens, improve the shooting module quality after assembling.The plate body of above-mentioned shooting module has the rubbing surface that inclination is arranged, first clamp body has and the corresponding clamping face of the rubbing surface of plate body, in assembling process, the clamping face of first clamp body matches with the rubbing surface of plate body, can offset the power of replacing of probe, avoid plate body that displacement or fracture, the quality when helping improving assembly take place in assembling process.

Description of drawings

Fig. 1 is the cut-open view that the assemble method of employing shooting module of the present invention is assembled the shooting module of first embodiment.

Fig. 2 is the cut-open view of the shooting module of second embodiment of the invention.

Fig. 3 is the cut-open view of the shooting module of third embodiment of the invention.

Fig. 4 is the cut-open view of the shooting module of four embodiment of the invention.

Fig. 5 is the cut-open view of the shooting module of fifth embodiment of the invention.

The main element symbol description

The shooting module	?100、600、700、800、900
		Board unit	?20、90
Eyeglass	?21
		Lens barrel	?23
Light hole	?231
		Microscope base	?25
Container cavity	251
		Optical filter	26
Plate body	27、67、97
		Rubbing surface	270
Contact chip	271、871
		Passive device	29、69
Image Sensor	28、68、78、88
		Floating holder	30
First clamp body	31
		Clamping face	313
Second clamp body	32
		Contact base	50
Matrix	501
		Probe	503
Cylindrical shell	5031
		Spring	5033
Probe	5035
		Limiting section	5036
Connecting portion	5037
		Fixed part	5038
Contact site	5039
		Circuit board	505
Image display	51
		Host cavity	601、801
Integrated circuit	702
		Separate cavities	703、803
Add-in card	99

Embodiment

Below in conjunction with drawings and the embodiments shooting module of the present invention and assemble method thereof are described in further detail.

See also Fig. 1, assemble method of the present invention is used for assembling shooting module 100, and this shooting module 100 comprises lens assembly 10 and board unit 20.Lens assembly 10 comprises eyeglass 21, hold the lens barrel 23 of eyeglass 21, hold the microscope base 25 and the optical filter 26 of lens barrel 23.Eyeglass 21 is fixed in the lens barrel 23.Lens barrel 23 1 ends offer light hole 231, and microscope base 25 offers container cavity 251 at one end opening place, is used to hold optical filter 26.Optical filter 26 is installed on the diapire in the container cavity 251.Be formed with external thread (not indicating) on lens barrel 23 outer walls, be formed with on microscope base 25 inwalls and the corresponding internal thread of lens barrel 23 external threads, and, lens barrel 23 be installed in the microscope base 25 by threaded engagement, and lens barrel 23 offer light hole 231 1 ends away from optical filter 26, thereby with lens assembly 10 encapsulation.Board unit 20 comprises plate body 27 and a lip-deep Image Sensor 28 and a difference passive device 29 in these Image Sensor 28 both sides at plate body 27.Passive device 29 can be resistor, capacitor, inductor or the like, to strengthen the function of board unit 20.Board unit 20 is installed in lens barrel 23 proximity filter 26 1 ends, 29 of Image Sensor 28 and passive devices are in container cavity 251, light can be entered from this light hole 231, behind eyeglass 21, optical filter 26, penetrate to the Image Sensor 28 of board unit 20 successively from lens barrel 23 other ends.But optical filter 26 elimination infrared lights improve imaging effect.Certainly, optical filter 26 can be provided with or omit according to the actual requirements.The side of plate body 27 is formed with rubbing surface 270, and this rubbing surface 270 is the inclined-plane, makes plate body 27 on the direction of contiguous Image Sensor 28, and width reduces gradually.

The assemble method of shooting module of the present invention may further comprise the steps:

The lens assembly 10 of encapsulation is provided.

One board unit 20 is provided, and board unit 20 comprises a plate body 27 and a lip-deep Image Sensor 28 at plate body 27.Plate body 27 is a circuit board, and plate body 27 both sides of the edge are formed with a rubbing surface 270 that tilts respectively, so that clamping.Adopt lead (figure is mark) to be connected between Image Sensor 28 and plate body 27.Plate body 27 is provided with two at interval contact chips 271 away from the opposite side surface of Image Sensor 28, is used for being connected also transmission signals with motherboard (figure does not show) or other signal of video signal display device.

Floating holder 30 is provided.In the present embodiment, floating holder 30 comprises first clamp body 31 and second clamp body 32.First clamp body is used for clamping plate body 27.The inboard of first clamp body 31 is formed with the clamping face 313 corresponding with the rubbing surface 270 of plate body 27, is used for clamping plate body 27.Second clamp body 32 is used for clamping microscope base 25.Certainly, second clamp body 32 can omit according to actual conditions, and by 31 independent clampings of first clamp body and mobile plate body 27, the position of also adjustable integral basis board component 20 and microscope base 25.

Utilize above-mentioned first clamp body, 31 clamping board units 20, utilize first clamp body, 31 clamping microscope bases 25, movable substrate assembly 20 and/or microscope base 25 make eyeglass 21 and Image Sensor 28 centrally aligneds.

One contact base 50 and an image display 51 are provided.Contact base 50 comprises a matrix 501, two probes 503 and circuit boards 505.Probe 503 comprises cylindrical shell 5031, is contained in the spring 5033 in the cylindrical shell 5031 and pops one's head in 5035.The position is in matrix 501 in the cylindrical shell 5031, and expose outside matrix 501 at two ends.Cylindrical shell 5,031 one ends bend inwards and form limiting section 5036, and the other end is formed with the connecting portion 5037 of closed cylinder 5031.Probe 5035 comprises fixed part 5038 and contact site 5039, and wherein the diameter of fixed part 5038 is roughly suitable with cylindrical shell 5031 internal diameters, and the diameter of contact site 5039 is less than the diameter of fixed part 5038.Spring 5,033 one ends are fixed on fixed part 5038 away from contact site 5,039 one ends, and an other end is fixed on the connecting portion 5037.Spring 5033 supports probe 5035, makes contact site 5039 pass limiting section 5036, and gives prominence to outside cylindrical shell 5031.Because stopping of limiting section 5036, probe 5035 can't be deviate from cylindrical shell 5031.Circuit board 505 and image display 51 are connected through lead.In the present embodiment, image display 51 is a computing machine.

Floating holder 30 move plate body 27 and lens assembly 10 to the plate body 27 Image Sensor 28 centers and the position of eyeglass 21 center rough alignment.

Two contact chips 271 that two probes 503 of contact base 50 supported plate body 27 respectively with electric connection, the optical information of the external image that enters from the light hole 231 of lens barrel 23 is successively behind eyeglass 21 and optical filter, be radiated on the Image Sensor 28 and be converted into electrical information, transfer on the image display 51 through the circuit board 505 of plate body 27, probe 503, contact base 50.By the shown quality of image of image display 51, the eyeglass 21 of fine setting lens assembly 10 and the relative position of Image Sensor 28.When image display 51 shown picture qualities were best, promptly eyeglass 21 was aimed at fully with Image Sensor 28, and floating holder 30 location lens assemblies 10 and plate body 27 are installed in plate body 27 on the microscope base 25 of lens assembly 10.Remove floating holder 30 and contact base 50, promptly get the module 100 of making a video recording.The mode that plate body 27 is installed on the microscope base 25 can adopt surface mount mode or other fixed form.

The assemble method of this case shooting module utilizes image display 51 monitoring image quality in real time, and utilize the relative position of floating holder 30 fine tuning video sensing elements 28 and lens assembly 10 according to image quality, to aim at Image Sensor 28 and eyeglass 21, improve shooting module 100 yields and quality after assembling.

Support respectively in the process of two contact chips 271 of plate body 27 at two probes 503, because plate body 27 has rubbing surface 270, make plate body 27 near on the direction of lens barrel 23, width reduces gradually.And first clamp body 31 has the clamping face 313 corresponding with the rubbing surface 270 of plate body 27, behind first clamp body, 31 clamping plate bodys 27, clamping face 313 matches with rubbing surface 270, can prevent that plate body 27 from displacement or fracture taking place under the effect of the power of replacing of probe 503 in first clamp body 31, the influence assembling improves assembling yield and quality.

See also Fig. 2, the shooting module 600 of second embodiment of the invention and the similar of shooting module 100, its difference is: offer host cavity 601 on the plate body 67, Image Sensor 68 is installed in this host cavity 601, helps the distance of conserve space or adjustment Image Sensor 68 and eyeglass.

See also Fig. 3, the shooting module 700 of third embodiment of the invention is similar to the shooting module 600 of second embodiment, its difference is: the host cavity 701 of shooting module 700 is opened in Image Sensor 78 belows, and shooting module 700 also comprises the integrated circuit 702 that is contained in the host cavity 701.Integrated circuit 702 can be drive IC (integrated circuit), power supply control IC etc., and integrated circuit 702 also can be other functional IC certainly, to strengthen or to increase new function to board unit 70.Board unit 70 is arranged on the inside of plate body 67 with passive device 79 and integrated circuit 702, helps conserve space.

See also Fig. 4, the shooting module 800 of four embodiment of the invention is similar to shooting module 600, and its difference is: also offer separate cavities 803 on the plate body 87; Host cavity 801 and separate cavities 803 penetrate plate body 87 jointly, and 88 of Image Sensors are in host cavity 801 and separate this host cavity 801 and

separate cavities

803, and 871 corners in the bottom of plate body 87 of contact chip.This shooting module 800 is applicable to that side connects the camera head of (side contact).

See also Fig. 5, the shooting module 900 of fifth embodiment of the invention is similar to the shooting module 800 of the 4th embodiment, its difference is: this board unit 90 also comprises an add-in card 99, and add-in card 99 is a circuit board, its with plate body 97 between adopt lead to be connected.Add-in card 99 is provided with lug plate (figure does not show) away from the bottom surface of plate body 97, is used for linking to each other with probe or motherboard.Shooting module 900 is applicable to that the end connects the camera head of (bottom contact).In addition, those skilled in the art also can do other variation in spirit of the present invention.Certainly, the variation that these are done according to spirit of the present invention all should be included in the present invention's scope required for protection.

Claims

One kind the shooting module, it comprises lens assembly, is installed in the board unit on the lens assembly, this lens assembly comprises eyeglass, accommodate the lens barrel of this eyeglass and hold the microscope base of this lens barrel, this board unit comprises plate body and is installed in a lip-deep Image Sensor of this plate body, it is characterized in that: the rubbing surface that is formed with inclination on contiguous this surperficial side of this plate body.
2. shooting module as claimed in claim 1 is characterized in that: this plate body diminishes gradually at the direction width of contiguous lens assembly.
3. shooting module as claimed in claim 1 is characterized in that: offer host cavity on this plate body, this Image Sensor position is in this host cavity.
4. shooting module as claimed in claim 1 is characterized in that: also offer host cavity under this Image Sensor on this plate body, this shooting module also comprises passive device and the integrated circuit of position in this host cavity.
5. shooting module as claimed in claim 3 is characterized in that: also offer separate cavities on this plate body, this Image Sensor separates this host cavity and this separate cavities.
6. shooting module as claimed in claim 5 is characterized in that: this shooting module also comprises add-in card, and this add-in card position is used for linking to each other with the motherboard of camera head on the surface of this plate body away from lens assembly.
7. the assemble method of the module of making a video recording, it comprises the steps:

One lens assembly is provided, and this lens assembly comprises eyeglass, accommodate the lens barrel of this eyeglass and hold the microscope base of this lens barrel;

One board unit is provided, this board unit comprises that plate body and position are used to receive the Image Sensor of the light signal of comfortable eyeglass on this plate body one surface, and this light signal is converted into electric signal, be formed with the rubbing surface of inclination on the contiguous side of this plate body and Image Sensor;

The assemble method of this shooting module also comprises:

One first clamp body that moves this substrate is provided, and this first clamp body is formed with the clamping face that matches with this rubbing surface;

One contact base is provided, and this contact base comprises the probe that electrically connects separably with this plate body;

One image display is provided, and this image display links to each other with this contact base and Image Sensor institute electrical signal converted is shown as image;

This first clamp body according to the relative position of the shown picture quality of this image display fine setting lens assembly and this board unit to aim at this eyeglass and this Image Sensor;

This plate body is fixed on this camera lens module.
8. the assemble method of shooting module as claimed in claim 7 is characterized in that: this plate body adopts surface-pasted mode to be installed on this lens assembly.
9. the assemble method of shooting module as claimed in claim 7, it is characterized in that: this probe comprises cylindrical shell, be movably arranged on probe in the cylindrical shell and position in cylindrical shell and support the spring of this probe, and this substrate of this probe support also electrically connects separably with this substrate.
10. the assemble method of shooting module as claimed in claim 9 is characterized in that: this plate body is provided with away from the other surface of Image Sensor and is used for the contact chip that is connected with this probe.