CN213244124U

CN213244124U - Camera module, mobile terminal and vehicle-mounted equipment

Info

Publication number: CN213244124U
Application number: CN202022065149.1U
Authority: CN
Inventors: 张芳磊
Original assignee: Nanchang OFilm Optoelectronics Technology Co Ltd
Current assignee: Nanchang OFilm Optoelectronics Technology Co Ltd
Priority date: 2020-09-18
Filing date: 2020-09-18
Publication date: 2021-05-18
Anticipated expiration: 2030-09-18

Abstract

The utility model discloses a module of making a video recording, mobile terminal and mobile unit, the module of making a video recording includes: the device comprises a bottom shell, a photosensitive chip, a driving mechanism and a supporting piece, wherein a first magnetic support is arranged on one side of the photosensitive chip facing the bottom shell, the first support and the bottom shell are spaced in the direction of an optical axis, the bottom shell has magnetism, and the bottom shell and the first support are magnetically attracted in the direction of the optical axis; the driving mechanism is connected with the photosensitive chip to drive the photosensitive chip to translate; the supporting piece is clamped between the bottom walls of the photosensitive chip and the bottom shell, and the supporting piece is in rolling friction fit with the photosensitive chip and the bottom shell. Therefore, optical anti-shake is achieved while the image sensing element is prevented from moving along the optical axis direction, sliding friction is converted into rolling friction by the rolling bodies, moving friction force and driving force for driving the image sensing element to move are reduced, and the driving effect is better.

Description

Camera module, mobile terminal and vehicle-mounted equipment

Technical Field

The utility model belongs to the technical field of the optical module group and specifically relates to a module of making a video recording, mobile terminal and mobile unit are related to.

Background

The function of the module of making a video recording on mobile terminal is powerful day by day, and in order to generate clear stable picture quality, the module of making a video recording usually needs to have the optics anti-shake function, and existing module of making a video recording adopts the fixed mode of suspension wire, and image sensing element's translation can lead to photosensitive element to produce the displacement along the optical axis direction, like the micro-lift in the position, influences the length of effective focal length. Moreover, the increase of the focal length affects the size of the whole module, which is not favorable for miniaturization.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the utility model is to provide a the utility model discloses a module of making a video recording, mobile terminal and mobile unit.

According to the utility model discloses module of making a video recording includes: the magnetic photosensitive device comprises a bottom shell, a photosensitive chip, a driving mechanism and a supporting piece, wherein a magnetic first support is arranged on one side of the photosensitive chip, which faces the bottom shell, the first support and the bottom shell are spaced in the direction of an optical axis, the bottom shell has magnetism, and the bottom shell and the first support are magnetically attracted in the direction of the optical axis; the driving mechanism is connected with the photosensitive chip to drive the photosensitive chip to translate; the supporting piece is clamped between the photosensitive chip and the bottom wall of the bottom shell, and the supporting piece is in rolling friction fit with the photosensitive chip and the bottom shell.

According to the utility model discloses the module of making a video recording, one side through the first support that supports sensitization chip sets up support piece, in order when optics anti-shake adjusts, utilize support piece make sensitization chip can and support piece between produce rolling friction, and then can remove along predetermineeing the direction for the drain pan, thereby realized optics anti-shake at the displacement compensation of predetermineeing the direction, in addition because first support and drain pan magnetic adsorption, when avoiding sensitization chip to remove along the optical axis direction, optics anti-shake has been realized, utilize support piece to turn into rolling friction with sliding friction, the frictional force of motion and the drive power that drive sensitization chip removed have been reduced, the drive effect is better. Moreover, the influence of the increase of the focal length on the volume of the whole module is weakened, and the miniaturization of the module is more facilitated.

In some embodiments, the support includes a plurality of support frames and a plurality of rolling elements, and the rolling elements are disposed between the support frames and the bottom case and between the support frames and the photosensitive chip. Therefore, the supporting piece adopts the structure, and the structure is simple and convenient to disassemble and assemble.

In some embodiments, the supporting frame is provided with placing grooves for accommodating the rolling bodies on two sides, and the supporting frame is in a square frame shape, wherein a plurality of the placing grooves on one side are respectively positioned on two frames which are parallel to each other, and a plurality of the placing grooves on the other side are positioned on the other two frames which are parallel to each other. Therefore, when the first support and the image sensing element move along the first direction, rolling friction is generated between the rolling body on one side of the support frame and the first support, and when the first support and the image sensing element move along the second direction, rolling friction is generated between the rolling body on the other side of the support frame and the bottom shell, so that the rolling bodies on two sides of the support frame are respectively used for guiding the image sensing element to move along two mutually vertical directions, and the structure is simple and ingenious.

In some embodiments, the support frame has a plurality of recessed ribs, the placement groove is formed in the recessed ribs, and the placement groove is a groove having a trapezoidal or inverted trapezoidal cross section. Like this, sunken muscle not only can form the standing groove to hold the rolling element and carry out spacing and direction to the rolling element, sunken muscle can play the effect of reinforcing to support frame self intensity moreover.

In some embodiments, the number of the placement grooves on the same side is three, the placement groove on one of the frames is located in the middle of the length direction of the frames, and the placement groove on the other frame is located at both ends of the length direction of the frames. Therefore, the rolling bodies on one side of the support frame are distributed in a triangular mode, the rolling bodies on the other side are also distributed in a triangular mode and are mutually staggered with the rolling bodies on the opposite side, and therefore the first support and the image sensing element are supported more stably.

In some embodiments, the supporting member has a middle hole, the first support passes through the middle hole along the optical axis direction, one end of the first support facing the bottom shell is provided with a first magnetic member, and the bottom wall of the bottom shell is provided with a second magnetic member magnetically attracted to the first magnetic member. Therefore, the first magnetic part arranged at the end part of the first support and the second magnetic part arranged on the bottom shell are mutually attracted so as to limit the image sensing element along the direction of the optical axis and ensure that the vertical position of the image sensing element is not changed.

In some embodiments, the first mount comprises: the bottom plate and the fixing frame, one end of the fixing frame is embedded into the bottom plate to be connected with the bottom plate, and the first magnetic piece is installed at the other end of the fixing frame. Therefore, the first magnetic part is arranged on the fixed frame of the first support, so that the center of the first support is magnetically attracted with the bottom shell, and the attraction is more stable.

In some embodiments, the photosensitive chip includes a circuit board and a photosensitive element, a through hole is formed in one side of the circuit board facing the bottom case, the bottom plate is fixedly bonded to the circuit board, and the photosensitive element extends into the through hole; the light filter is arranged on one side of the circuit board, which is far away from the bottom plate, and the light filter is bonded with the circuit board through a second support. Therefore, the first support and the circuit board are connected more tightly, and the second support and the circuit board are connected more tightly.

In some embodiments, the side wall of the bottom case is square, and the side wall of the bottom case is used for limiting the movement of the circuit board. Therefore, the two opposite side walls of the bottom shell are used for limiting the movement of the circuit board along the first direction, and the other two side walls of the bottom shell are used for limiting the movement of the circuit board along the second direction, so that the movement limitation of the image sensing element is realized by the contact of the bottom shell and the circuit board.

According to the utility model discloses mobile terminal of second aspect embodiment, include the module of making a video recording. Therefore, the mobile terminal has the following advantages: 1) under the condition of not changing the longitudinal distance of the image sensing element at all, the optical anti-shake adjustment of the camera module is realized; 2) by using the supporting piece, the friction force of movement is reduced, and the driving force is reduced.

According to the utility model discloses the mobile terminal is included to the mobile terminal of third aspect embodiment. Therefore, the image quality of the vehicle-mounted equipment is clearer, the structure is more simplified, the size is smaller, and convenience is provided for arrangement on the whole vehicle.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a three-dimensional splitting schematic diagram of the camera module according to the embodiment of the present invention.

Fig. 2 is another three-dimensional splitting schematic diagram of the camera module according to the embodiment of the present invention.

Fig. 3 is a perspective view of a camera module according to an embodiment of the present invention.

Fig. 4 is a schematic top view of a camera module according to an embodiment of the present invention.

Fig. 5 is a schematic sectional view taken along line a-a of fig. 4.

Reference numerals:

the image-taking module 100 is provided with a camera module,

a bottom shell 110, a bottom wall 111, a side wall 112, a second magnetic member 113,

the number of the circuit boards 120 is,

the light-sensing element 130 is provided with a light-sensing element,

the optical filter (140) is provided with,

a support 150, a rolling body 151, a support frame 152, a placing groove 1521, a concave rib 1522, a middle hole 1523,

a first support 160, a bottom plate 161, a fixing frame 162, a first magnetic member 163,

a second seat 170, an annular flange 171.

Detailed Description

Embodiments of the present invention are described in detail below, and the embodiments described with reference to the drawings are exemplary.

The camera module 100 according to an embodiment of the present invention is described below with reference to fig. 1 to 5.

According to the utility model discloses module 100 of making a video recording includes: a bottom case 110, a photosensitive chip, a support 150, and a driving mechanism (not shown).

As shown in fig. 1 and 5, the photosensitive chip includes a circuit board 120 and a photosensitive element 130, an accommodating space is defined in the bottom casing 110, and the circuit board 120 is disposed in the accommodating space. The bottom chassis 110 may have a shell structure with one side opened, and is finally assembled with a lens barrel of a lens.

The side of the photosensitive chip facing the bottom case 110 is provided with a magnetic first support 160, the first support 160 is spaced apart from the bottom case 110 in the optical axis direction, the bottom case 110 has magnetism, and the bottom case 110 is magnetically attracted to the first support 160 in the optical axis direction.

The photosensitive element 130 is configured to generate an image and send image information to a control element in the circuit board 120, and when the image capturing module 100 is applied to an on-vehicle device, the control element of the circuit board 120 is electrically connected to a general controller of the on-vehicle device to control focusing and focusing of the image capturing module 100, or control the photosensitive chip and the first support 160 to move in a preset direction to perform optical anti-shake.

The driving mechanism is connected with the photosensitive chip to drive the photosensitive chip to move horizontally. The driving mechanism may drive the photosensitive chip to move through the suspension wire to implement Optical Image Stabilization (OIS), and the driving mechanism may be a Voice Coil Motor (VCM), a linear motor (SMA), a piezoelectric ceramic (piezoo), and the like, and all of the driving mechanisms may be used to drive the photosensitive element 130 to move.

The supporting member 150 is sandwiched between the photosensitive chip and the bottom wall of the bottom casing 110, and the supporting member 150 and the photosensitive chip, and the supporting member 150 and the bottom casing 110 are in rolling friction fit. Specifically, the support 150 is disposed between the first holder 160 and the bottom wall 111 of the bottom case 110, and the photosensitive element is rolling-rubbed with the support 150 to move relative to the bottom case 110 during the optical anti-shake adjustment.

According to the utility model discloses module 100 of making a video recording, one side through the first support 160 at support photosensitive element 130 sets up support piece 150, in order when optics anti-shake adjusts, the messenger photosensitive element 130 that utilizes support piece 150 can and support piece 150 between produce rolling friction, and then can be for drain pan 110 along predetermineeing the direction removal, thereby realized optics anti-shake at the displacement compensation of predetermineeing the direction, in addition because first support 160 and drain pan 110 magnetic adsorption, when avoiding photosensitive element 130 to remove along the optical axis direction, optics anti-shake has been realized, utilize support piece 150 to turn into rolling friction with sliding friction, the frictional force of motion and the drive power that drive photosensitive element 130 removed have been reduced, the drive effect is better.

It can be understood that the existing camera module 100 usually adopts the mode of adjusting the position of the lens to realize optical anti-shake, and the mode of adjusting the photosensitive element 130 is adopted to adjust the optical anti-shake in the application, so that the increase of the size of the camera module 100 caused by the lens with larger moving size is avoided, the influence of the increase of the focal length on the size of the whole module is weakened, and the miniaturization of the module is facilitated.

In some embodiments, the supporting member 150 includes a plurality of supporting frames 152 and a plurality of rolling bodies 151, and the rolling bodies 151 are disposed between the supporting frames 152 and the bottom case 160 and between the supporting frames 152 and the photosensitive chip. That is, the rolling bodies 151 are distributed on two sides of the supporting frame 152, and some of the rolling bodies 151 are located on one side of the supporting frame 152 facing the bottom case 110, so that the supporting frame 152 contacts the inner bottom wall 111 of the bottom case 110 through the rolling bodies 151, thereby enabling the supporting frame 152 to move some of the rolling bodies 151 relative to the bottom case 110, located on one side of the supporting frame 152 facing the first mount 160, so that the supporting frame 152 contacts the first mount 160 through the rolling bodies 151, thereby enabling the first mount 160 and the photosensitive element 130 to be supported by the supporting frame 152 through the rolling bodies 151, and further to move in a preset direction relative to the supporting frame 152. Therefore, the supporting member 150 has the above structure, and is simple in structure and convenient to disassemble and assemble.

In the specific embodiment shown in fig. 2, two sides of the supporting frame 152 are respectively provided with a placing groove 1521 for accommodating the rolling body 151, and the supporting frame 152 is in a square frame shape, wherein the placing grooves 1521 on one side are respectively located on two frames parallel to each other, and the placing grooves 1521 on the other side are located on the other two frames parallel to each other. Therefore, when the first support 160 and the photosensitive element 130 move along the first direction, rolling friction is generated between the rolling bodies 151 on one side of the support frame 152 and the first support 160, and when the first support 160 and the photosensitive element 130 move along the second direction (the second direction is perpendicular to the first direction), rolling friction is generated between the rolling bodies 151 on the other side of the support frame 152 and the bottom shell 110, so that the rolling bodies 151 on the two sides of the support frame 152 are respectively used for guiding the photosensitive element 130 to move along two mutually perpendicular directions, and the structure is simple and ingenious.

Further, the support bracket 152 has a plurality of recessed ribs 1522, a placement groove 1521 is formed in the recessed ribs 1522, and the placement groove 1521 is a groove having a trapezoidal or inverted trapezoidal cross section. Like this, sunken muscle 1522 not only can form standing groove 1521 to hold rolling element 151 and carry out spacing and direction to rolling element 151, sunken muscle 1522 can play the effect of reinforcing to support frame 152 self intensity moreover.

In some embodiments, there are three placement slots 1521 located on the same side, the placement slot 1521 located on one of the frames is located in the middle of the length direction of the frame, and the placement slots 1521 located on the other frame are located at both ends of the length direction of the frame. Accordingly, the number and distribution of the rolling bodies 151 are the same as those of the placement grooves 1521, that is, the rolling bodies 151 located on the same side are distributed in a triangular shape. Therefore, the rolling elements 151 on one side of the supporting frame 152 are distributed in a triangular shape, and the rolling elements 151 on the other side are also distributed in a triangular shape and staggered with the rolling elements 151 on the opposite side, so as to form a more stable support for the first support 160 and the photosensitive element 130.

Optionally, the supporting member 150 has a middle hole 1523, the first holder 160 passes through the middle hole 1523 along the optical axis direction, referring to fig. 1, one end of the first holder 160 facing the bottom shell 110 is provided with a first magnetic member 163, and the bottom wall 111 of the bottom shell 110 is provided with a second magnetic member 113 magnetically attracted to the first magnetic member 163. Thus, the first magnetic member 163 disposed at the end of the first holder 160 and the second magnetic member 113 disposed on the bottom case 110 attract each other to limit the position of the photosensitive element 130 along the optical axis direction, so that the vertical position thereof is not changed.

Specifically, the two magnetic members may both adopt magnets, the two magnets attract each other, so that the circuit board 120 is pressed against the rolling bodies 151 above the supporting frame 152, the rolling bodies 151 below the supporting frame 152 are in close contact with the module base plate 161, when the PCB moves, the rolling bodies 151 roll on the support, and the vertical position of the photosensitive element 130 is not changed.

In some embodiments, referring to fig. 3-5, first pedestal 160 comprises: a base plate 161 and a fixing bracket 162, wherein one end of the fixing bracket 162 is embedded in the base plate 161 to be connected with the base plate 161, and a first magnetic member 163 is installed at the other end of the fixing bracket 162. Therefore, the first magnetic member 163 is mounted on the fixing frame 162 of the first support 160, so that the center of the first support 160 is magnetically attracted to the bottom case 110, and the attraction is more stable.

The circuit board 120 has a through hole on a side facing the bottom casing 110, the bottom plate 161 is fixed to the circuit board 120 by adhesion, and the photosensitive element 130 extends into the through hole.

In the embodiment shown in fig. 1, the camera module 100 further includes an optical filter 140, the optical filter 140 is disposed on a side of the circuit board 120 away from the base plate 161, and the optical filter 140 is bonded to the circuit board 120 through a second support 170.

Thus, the first support 160 and the circuit board 120 are connected more tightly, and the second support 170 and the circuit board 120 are connected more tightly.

In other embodiments, as shown in fig. 4 and 5, the side wall of the bottom housing 110 is square, and the side wall of the bottom housing 110 is used for limiting the movement of the circuit board 120. Therefore, two opposite side walls of the bottom case 110 are used for limiting the movement of the circuit board 120 along the first direction, and the other two side walls of the bottom case 110 are used for limiting the movement of the circuit board 120 along the second direction, so that the movement limitation of the photosensitive element 130 is realized by the contact of the bottom case 110 and the circuit board 120.

According to the present invention, the mobile terminal includes the camera module 100 of the above embodiment. The mobile terminal may be a mobile phone. Therefore, the mobile terminal has the following advantages: 1) under the condition of not changing the longitudinal distance of the photosensitive element 130 at all, the optical anti-shake adjustment of the camera module 100 is realized; 2) with the support 150, the friction of the movement is reduced, reducing the driving force.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, "the first feature" and "the second feature" may include one or more of the features. In the description of the present invention, "a plurality" means two or more. In the description of the present invention, the first feature "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features being in contact with each other not directly but through another feature therebetween. In the description of the invention, the first feature being "on", "above" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. The utility model provides a module of making a video recording which characterized in that includes:

a bottom case defining an accommodating space therein;

the magnetic light-sensing device comprises a light-sensing chip, wherein a magnetic first support is arranged on one side of the light-sensing chip, which faces the bottom shell, the first support and the bottom shell are spaced in the direction of an optical axis, the bottom shell has magnetism, and the bottom shell and the first support are magnetically attracted in the direction of the optical axis;

the driving mechanism is connected with the photosensitive chip to drive the photosensitive chip to translate;

the supporting piece is clamped between the photosensitive chip and the bottom wall of the bottom shell, and the supporting piece is in rolling friction fit with the photosensitive chip and the bottom shell.

2. The camera module according to claim 1, wherein the support member includes a plurality of support frames and rolling elements, and the rolling elements are disposed between the support frames and the bottom chassis and between the support frames and the photosensitive chips.

3. The camera module according to claim 2, wherein the support frame is provided with two side slots for accommodating the rolling elements, and the support frame is square, wherein the side slots are respectively located on two frames parallel to each other, and the side slots are located on the other two frames parallel to each other.

4. The camera module of claim 3, wherein the support frame has a plurality of recessed ribs, the placement groove is formed in the recessed ribs, and the placement groove is a groove having a trapezoidal or inverted trapezoidal cross section.

5. The camera module according to claim 3, wherein the number of the placement grooves on the same side is three, the placement groove on one of the frames is located in the middle of the frames in the longitudinal direction, and the placement groove on the other frame is located at both ends of the frames in the longitudinal direction.

6. The camera module according to any one of claims 1 to 5, wherein the supporting member has a central hole, the first support passes through the central hole along the optical axis, a first magnetic member is disposed at an end of the first support facing the bottom housing, and a second magnetic member magnetically attracted to the first magnetic member is disposed at a bottom wall of the bottom housing.

7. The camera module of claim 6, wherein the first mount comprises: the bottom plate and the fixing frame, one end of the fixing frame is embedded into the bottom plate to be connected with the bottom plate, and the first magnetic piece is installed at the other end of the fixing frame.

8. The camera module according to claim 7, wherein the photosensitive chip comprises a circuit board and a photosensitive element, a through hole is formed in one side of the circuit board facing the bottom case, the bottom plate is fixedly bonded to the circuit board, and the photosensitive element extends into the through hole;

the light filter is arranged on one side of the circuit board, which is far away from the bottom plate, and the light filter is bonded with the circuit board through a second support.

9. The camera module of claim 8, wherein the side wall of the bottom housing is square, and the side wall of the bottom housing is used for limiting the movement of the circuit board.

10. A mobile terminal, characterized in that it comprises a camera module according to any one of claims 1-9.

11. A vehicle-mounted device characterized by comprising the mobile terminal according to claim 10.