CN113163100A

CN113163100A - Sensor-Shift camera module

Info

Publication number: CN113163100A
Application number: CN202110604469.6A
Authority: CN
Inventors: 王林; 钞晨; 吴雨函
Original assignee: Chengdu Yixun Photoelectric Technology Co ltd
Current assignee: Chengdu Yixun Photoelectric Technology Co ltd
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2021-07-23
Anticipated expiration: 2041-05-31
Also published as: CN113163100B

Abstract

The invention belongs to the technical field of VCM motors, and discloses a Sensor-Shift camera module, comprising a casing and a lens module, a sensor assembly is arranged in the casing, and the sensor assembly is movably connected with the casing through an elastic connection mechanism; The AF module and the OIS module are movably connected to the lens module, and the OIS module cooperates with the sensor assembly to realize sensor anti-shake; there is a gasket in the casing, and the gasket is provided with a first reed, the elastic The connecting mechanism has a suspension wire connecting the sensor assembly and the first reed. The invention adopts the sensor anti-shake structure design, and through the optimization of the internal structure, the middle area vacated by the suspension wire is used to set the AF module and the lens module, so as to provide the best support effect and elastic deformation as much as possible on the premise Compress the interior space and reduce the overall thickness.

Description

Sensor-Shift camera module

Technical Field

The invention belongs to the technical field of VCM motors, and particularly relates to a Sensor-Shift camera module.

Background

The VCM motor is a device that converts electric energy into mechanical energy and realizes linear and limited swing angle motion. The device generates regular movement by utilizing the interaction between the magnetic field from the permanent magnetic steel and the magnetic poles in the magnetic field generated by the conductor of the electrified coil. Because the voice coil motor is a non-commutation type power device, the positioning accuracy is completely dependent on the feedback and control system, and is independent of the voice coil motor. The VCM motor changes the smart phone camera from fixed focus to automatic focusing, and simultaneously endows a small or miniature camera with an anti-shake function, and the VCM motor has the greatest effect that the camera can automatically focus and also can provide motion compensation.

The VCM of the mobile phone camera needs DriverIC to complete focusing and anti-shake, the current VCM controls the magnitude of VCM power supply current through the DriverIC to determine the moving distance of a lens carried by the VCM, and therefore the VCM is adjusted to a proper position to shoot a clear image. The VCM motor is actually moved by the principle that an energized coil is subjected to a force in a magnetic field, and precise control needs to be performed by some external component, wherein the magnitude and time of the current is controlled and outputted by a DriveIC, thereby controlling the position to which the voice coil driver needs to reach. In the mobile phone, all control information of the drive IC is given by the SoC, and control logic and specific parameters are acquired by repeated teaching in the design and manufacturing process of an engineer.

In the current VCM motor market, a common VCM motor (open-loop motor) occupies most of the market share, up to 80%, and a closed-loop motor occupies 6%. Although both the closed-loop motor and the OIS motor are paid great attention and pursued, the OIS motor has the problems of tight resource, technical shortage, complex manufacturing process, high production difficulty, low yield, high cost, lagging focusing speed, high power consumption and the like in the aspect of mass production and quantity marketing. Wherein, the main factor who brings this problem is that present OIS motor mostly adopts the design of camera lens anti-shake, and this structure must lead to the electromagnetism anti-shake subassembly that is equipped with alone to occupy a large amount of inner spaces, and complicated structural design and motion control must bring bigger hindrance for assembly manufacturing process, make its yields lower, and manufacturing cost is higher.

Disclosure of Invention

In order to solve the problems in the prior art, the invention provides a Sensor-Shift camera module, which realizes the miniaturization of an OIS module by optimizing the internal structure, thereby effectively reducing the thickness of the whole camera module to adapt to terminal equipment with smaller installation space.

The technical scheme adopted by the invention is as follows:

the invention discloses a Sensor-Shift camera module, which comprises a shell and a lens module, wherein a Sensor assembly is arranged in the shell and is movably connected with the shell through an elastic connecting mechanism;

the shell is internally provided with an AF module and an OIS module, the AF module is movably connected with the lens module, and the OIS module is matched with the sensor component to realize the anti-shake of the sensor;

a gasket is arranged in the shell, a first reed is arranged on the gasket, and a suspension wire for connecting the sensor assembly and the first reed is arranged in the elastic connecting mechanism.

First, Sensor-Shift means that the motor has a Sensor anti-shake function. The existing micro camera module mainly comprises two functional components, namely a lens and a sensor, wherein the sensor is used for receiving light rays penetrated by the lens and converting light images on a photosensitive surface into electric signals in a corresponding proportional relation with the light images through a photoelectric conversion function and outputting the electric signals to the outside.

Because the input path of light can receive the influence of lens module, for more stable efficient formation of image, be equipped with AF module in many the modules of making a video recording and be connected with the lens module, realize the up-and-down directional removal of lens module along its axis direction through inside electromagnetism actuating structure to realize the auto focus function. However, the terminal equipment arranged by the camera module is influenced by external force, so that certain displacement is generated in the shutter time in the shooting process, and the received light can generate certain deviation in the exposure process to influence the imaging effect. Therefore, in order to improve the above situation, the prior art includes optical anti-shake and digital anti-shake, where the digital anti-shake is performed by performing image cropping or smoothing processing through an algorithm, and the processing effect is not generally enough to obtain a true and clear image. The optical anti-shake module is internally provided with an independent OIS module, and the movable part is subjected to motion compensation through a mechanical actuating mechanism, so that the effect of stabilizing the light path is achieved.

Mostly be camera lens anti-shake technique among the prior art, nevertheless because set up AF module and OIS module simultaneously in the miniature camera head and must lead to its volume can't further reduce, face with terminal equipment inner space constantly reduce, the thickness and the volume that further reduce the camera lens also are the developing direction of current module of making a video recording. In order to reduce the thickness and the volume as much as possible, the original OIS module for controlling the lens module is arranged on the sensor, and the optical anti-shake is realized through the motion compensation of the sensor.

The sensor assembly is movably connected with the shell, has a small movable range, and realizes action control through the arranged OIS module. Wherein, the first reed is used for providing main resilience force, gives the certain spacing effect of sensor subassembly. The invention is characterized in that a gasket is arranged on the upper part of the invention and connected with the shell, the gasket is used for fixing the first reed, and the first reed and the sensor component are connected through a plurality of suspension wires, so that a certain space is formed between the first reed and the sensor component and is used for arranging the AF module. And the suspension wire structure with a certain length can provide a better displacement stroke, and the turning amplitude of the sensor assembly is increased to realize a wider dynamic compensation range.

With reference to the first aspect, the present invention provides a first implementation manner of the first aspect, wherein the elastic connection mechanism further includes a connection member having one end fixed in the sensor assembly, and the connection member has a conductive end electrically connected to an FPC flexible printed circuit board provided in the housing;

the FPC soft board is provided with an end part connected with an external circuit;

the current entering from the FPC soft board enters the AF module through the connecting piece, the suspension wire and the first reed in sequence.

With reference to the first implementation manner of the first aspect, the present invention provides a second implementation manner of the first aspect, where the sensor assembly includes a base and an image sensor disposed on the base, and a sensor protection cover is snapped on the image sensor; the connecting piece is arranged on the base.

In combination with the second embodiment of the first aspect, the present invention provides a third embodiment of the first aspect, wherein the base is an injection molded part, the connecting member is fixed in the base, the sensor is fixed in the middle of the upper surface of the base, and a metal plate for supporting is arranged on the lower surface of the base.

With reference to the first aspect and the first to third embodiments thereof, the present invention provides a fourth embodiment of the first aspect, wherein the first leaf spring is an annular member having a plurality of corners and has an elastic wall at the corners, and the elastic wall has an end portion to which the suspension wire is connected.

In combination with the second and third embodiments of the first aspect, the present invention provides a fifth embodiment of the first aspect, wherein the OIS module includes a first magnet disposed at the bottom of the housing and a first coil disposed at the bottom of the base, the lower surface of the base has an annular sinking groove, a PCB connected to an external circuit is disposed in the annular sinking groove, and the first coil is disposed on the PCB.

With reference to the second and third embodiments of the first aspect, the present invention provides a sixth embodiment of the first aspect, wherein the housing further includes an FPC cable for connecting an external circuit to the sensor assembly, the FPC cable includes a bonding portion bonded to an outer peripheral portion of the image sensor on the upper surface of the base, and a surrounding portion bent at 90 ° from the bonding portion, and the surrounding portion and the bonding portion are connected by a plurality of bending portions.

With reference to the first aspect and the first to third embodiments thereof, the present invention provides a seventh embodiment of the first aspect, wherein the housing includes a casing and a bottom cover, and the bottom cover has a plurality of clips that are engaged with the casing.

With reference to the first aspect and the first to third embodiments thereof, the present invention provides an eighth embodiment of the first aspect, wherein the AF module has a plurality of bosses, and the AF module sinks into the housing from the opening on one side of the housing and is fixedly connected by the bosses against the edge of the opening of the housing.

In combination with the eighth implementation manner of the first aspect, the present invention provides a ninth implementation manner of the first aspect, wherein the AF module further comprises an FPC tape connected to an external circuit, and the FPC tape is connected to a hall sensor arranged in the AF module.

The invention has the beneficial effects that:

(1) according to the invention, a sensor anti-shake structure design is adopted, a first reed structure is arranged in a shell through optimization of an internal structure, a supporting force and an elastic restoring force are provided for a sensor component in a suspension mode through a suspension wire, and a middle area vacated by the suspension wire is used for arranging an AF module and a lens module, so that the internal space is compressed as far as possible on the premise of providing a better supporting effect and an elastic deformation amount, and the overall thickness is reduced;

(2) the AF module and the sensor assembly are relatively independent and are connected with the shell through the corresponding connecting structures, and due to the independent connection mode, the AF module and the sensor assembly can be independently adjusted according to an optical axis during assembly, so that the assembly efficiency is improved;

(3) the invention adopts the structural design of bending FPC flat cable, and can save the internal space while connecting the external circuit and the sensor assembly.

Drawings

FIG. 1 is a view showing a split structure of the entire lens module in which an AF module having the lens module is separated;

FIG. 2 is a schematic view of the internal structure of the lens module of the present invention after the housing is removed when the lens module is assembled;

FIG. 3 is an exploded view of the entire lens module of the present invention;

FIG. 4 is a schematic view of a first configuration of the OIS module and sensor assembly of the present invention in a disassembled state;

FIG. 5 is a second schematic illustration of the OIS module and sensor assembly of the present invention in a disassembled state;

FIG. 6 is a schematic view showing a connection structure of the base, the connecting member, the suspension wire and the first spring according to the present invention;

fig. 7 is a schematic view showing a connection structure of the connecting member, the suspension wire and the first spring in the present invention.

In the figure: the optical lens module comprises a shell 1, a lens module 3, a bottom cover 4, a FPC 5, a gasket 6, a first reed 7, an elastic part 7.1, an image sensor 8, a sensor protective cover 9, an AF bottom shell 10, an AF upper reed 11, a lower reed 12, an AF upper cover 13, a bracket 14, a suspension wire 15, a first magnet 16, a base 17, a metal plate 18, a PCB 19, a first coil 20, a connecting piece 21 and an A-AF module.

Detailed Description

The invention is further explained below with reference to the drawings and the specific embodiments.

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present application, it should be noted that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which is usually placed when the product of the application is used, the description is only for convenience and simplicity, and the indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation and be operated, and thus, should not be construed as limiting the present application. Furthermore, the appearances of the terms "first," "second," and the like in the description herein are only used for distinguishing between similar elements and are not intended to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like when used in the description of the present application do not require that the components be absolutely horizontal or overhanging, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present application, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

Example 1:

the embodiment discloses a camera module structure, as shown in fig. 1-7, which comprises a housing and a lens module 3, wherein a sensor assembly is arranged in the housing, and the sensor assembly is movably connected with the housing through an elastic connection mechanism; an AF module and an OIS module are further arranged in the shell, the AF module is movably connected with the lens module 3, and the OIS module is matched with the sensor assembly to realize sensor anti-shake; a gasket 6 is arranged in the shell, a first spring plate 7 is arranged on the gasket 6, and a suspension wire 15 for connecting the sensor assembly and the first spring plate 7 is arranged in the elastic connecting mechanism.

Wherein, the sensor module has base 17, and the shell includes casing 1 and bottom 4, and bottom 4 is the bottom baffle of whole module of making a video recording, and circuit and sensor among the prior art all set up in this position, because the wiring is more, adopts multilayer structure design more among the prior art, then the degree of difficulty is great when must leading to the assembly.

The base 17 is movably connected with the camera module, and the sensor is arranged on the base 17; a plurality of first coils 20 are provided on the base 17, and first magnets 16 corresponding to the first coils 20 are fixed in the housing. The base 17 is used for supporting the components of the sensor, and the base 17 and the shell are movably connected, so that the base 17 can have a certain degree of freedom in the camera module and can perform spatial displacement. Since motion compensation is required to be given to the sensor, motion control is achieved by the plurality of first coils 20 provided on the base 17 in cooperation with the external first magnet 16. The first coil 20 is connected to an external circuit, and can generate a stable magnetic field by energization control, and the magnet is mostly a permanent magnet, and an effective magnetic field environment can be generated in the vicinity of the first coil 20.

When a current passes through the first coil 20, a magnetic field is generated due to electromagnetic effect, and a force can be generated to perform directional movement, so that the base 17 carrying the image sensor 8 moves. The specific control signal is a corresponding control command generated by the external processor according to motion data transmitted by a gyroscope arranged in the same terminal equipment with the camera, and the anti-shake component of each camera module can be debugged after assembly, so that a better anti-shake effect is realized.

In order to realize better displacement control and volume control, can provide more direct effort with first coil 20 integration on base 17, set up first magnet 16 in the shell bottom of the module of making a video recording simultaneously, and be close to corresponding first coil 20 department, can have better space utilization, and can not take place the subassembly with image sensor 8 or AF module and disturb, consequently magnet and first coil 20 can present ideal shape in the plane direction, in order to reach the effect that reduces overall height. Note that the height refers to a dimension in the axial direction of the camera.

The whole base 17 is a resin casting, has a solid circuit structure inside, and can be connected with an external circuit to transmit data and supply electric energy to the sensor, and meanwhile, the thickness of the whole base 17 is reduced. Specifically, the base 17 includes a body formed by injection molding and a metal conductor disposed in the body, the metal conductor is the connecting member 21, and the metal conductor is used as the reference because the connecting member 21 in this embodiment has a plurality of strip-shaped metal objects with certain bending lengths.

Further, a metal conductor structure wrapped with an injection molded material is shown in fig. 7. The metal conductor in this embodiment has four identical parts, each of which includes a right-angle corner piece, and two connecting portions are provided on the concave side of the right-angle corner piece, and an extending portion is provided outside the corner. The metal conductor has the function of connecting the sensor bottom substrate with the coil at the lower part of the base 17 and is used for transmitting electric energy, and due to the split design, independent power transmission control can be carried out on each coil.

Further, an annular groove arranged around the outer edge of the sensor is formed in the bottom surface of the body. The inner edge of the annular groove is greater than or exactly equal to the outer edge dimension of the desired mounting location for the sensor, so that the plurality of first coils 20 disposed on the back side can be disposed circumferentially around the sensor. And a bottom plate is arranged in the annular groove, the bottom plate is a PCB 19, and the first coil 20 is arranged on the bottom plate and is connected with a circuit in the bottom plate. The so-called chassis is a circular PCB structure for connecting an external control circuit, inputting a control current to the coil, and performing motion detection through a plurality of sensor pairs on the chassis.

The base 17 is also provided with an FPC flat cable 5 which is positioned on the same plane with the sensor, the upper part of the base 17 is provided with a joint part of the FPC flat cable 5, the joint part is connected with an external control circuit, an image sensor 8 and a bottom plate, and the middle part of the inner ring of a part of coils is provided with a Hall sensor. The hall sensor is connected with an external control circuit, and transmits the motion information of the base 17 to the outside, thereby forming closed-loop control.

Simultaneously still be equipped with the encircleing portion of encircleing in vertical space, this encircleing portion is connected with this laminating portion through a plurality of portions of bending. And the surrounding part utilizes vertical space and its thinner structural feature to can be as little as possible occupy the inner space when guaranteeing to have better electrically conductive stability, leave more parts for other parts and expand.

Further, fig. 6 also specifically shows a base 17 as a main bearing main body, wherein the base 17 is a square plate structure, and four corners of the base are subjected to corner cutting. The protruding end of the metal conductor is extended from the chamfered position and connected to the suspension wire 15.

A square sink is provided at the center of the upper part of the base 17, and the image sensor 8 is provided in the sink. In order to strengthen the whole structure strength and increase the protection of the sensor, a metal plate 18 is arranged at the middle position of the bottom of the base 17, and a buckled sensor protection cover 9 is arranged at the upper part. The image sensor 8 is a photosensitive element of the camera module, specifically a CMOS photosensitive device in this embodiment, and has a flat cable pin on the base 17, which is connected to an external control circuit through the FPC flat cable 5.

The first reed 7 structure arranged on the upper part of the base 17 is a metal annular sheet structure with a certain width, the outer edge dimension of the first reed is the same as that of the base 17, and the first reed also has corner cutting treatment. The four cut corners of the projectile body are respectively provided with a string structure, the middle of the string structure is provided with an annular expansion end, the expansion end is connected with a suspension wire 15 which is vertically arranged, the lower end part of the suspension wire 15 is connected with the end part of the base 17 extending mechanism, and therefore the fixed structure formed by the projectile body, the string wire, the suspension wire 15 and the base 17 is formed.

Wherein, first reed 7 is connected with the casing 1 of module of making a video recording through the gasket 6 that is equipped with, and mode through direct fixed connection or spacing joint keeps stable at casing 1, owing to adopt the foil structural design, makes it have the bending deformation ability on longitudinal direction, can provide certain elastic restoring force, but mainly provides for base 17 and suspends in midair fixed effect. And the string wires at the four corners are of a plane structure integrally formed with the projectile body and comprise an expansion end, an elastic part 7.1 and a connecting part.

As shown in fig. 7, the string structure has a symmetrical structure with an enlarged part as the center, and two sides are sequentially provided with an elastic part 7.1 and a connecting part, wherein the elastic part 7.1 is a single metal wire with a plurality of bending structures and the connecting part is a metal wire with gradually increased width, and is mainly used for connecting with the projectile body and avoiding stress concentration through smooth transition.

Further, as can be seen in fig. 7, the elastic part 7.1 of the string wire has three bending areas, and the middle suspension wire 15 penetrates into the round hole of the expanded end, and the expanded end is connected with the suspension wire 15 by means of spot gluing or spot welding. The four corner cutting positions of the base 17 are all provided with metal structures protruding outwards, and the metal structures are the extending ends of the metal conductors in the base 17. A circular hole is arranged on the extending end, and the suspension wire 15 also penetrates through the circular hole and is connected in a dispensing or spot welding mode.

The suspension wires 15 have some elasticity, but the action of the base 17 provides elastic restoring force mainly by elongation and contraction of the string wires. Because base 17 four corners all is connected with suspension 15, and electromagnetic actuating mechanism sets up in its bottom for base 17 can carry out plane displacement and upset slope action. The plane displacement is to move along the plane where the plane displacement is located, and at the moment, the four string wires are pulled to be elongated or contracted simultaneously. The turning and tilting action is that the wire can be turned along the connecting line of the two suspension wires 15, at the moment, two groups of string wires are pulled down, and the other two groups are pulled up.

Example 2:

this embodiment is optimized and adjusted based on embodiment 1.

As shown in fig. 3, the whole camera module includes a housing and internal functional components, wherein the bottom of the housing has an opening for the internal FPC cable 5 to extend out, and the FPC cable 5 is used to connect the circuit board of the mobile terminal device and the circuit board of the camera module, so as to satisfy the electrical signal transmission of power supply and control.

The shell is formed by two mutual locks of part, specifically is casing 1 and bottom 4, and bottom 4 has buckle structure all around, realizes the joint lock through the hook slot cooperation with on the 1 bottom inside wall of casing. And the top of the shell 1 is provided with a square opening, and the cutting angle of the square opening forms a hexagon-like shape.

The upper part of the sensor component is also provided with an AF module A, namely an automatic focusing unit, and the AF module A is provided with a through channel for bearing and fixing the lens module 3. The lens module 3 in this embodiment is the same as the prior art, is an independent integral cylindrical structure, has a plurality of lenses with fixed intervals inside, has the effect of converging light, increases the resolution and contrast of the lens, and can improve the dispersion and reflection conditions caused by glare through the size optimization of the coating film and the plastic lens.

Since the lens module 3 is used for transmitting light, and the distance between the inner lenses is fixed, the angle of the light emitted from the tail part of the lens module is fixed, and in order to realize the automatic focusing function, an action component needs to be arranged on the AF module a, so that the lens module 3 can be adjusted to move axially in the housing.

Specifically, the whole AF module a includes an AF bottom case 10 and an AF top cover 13 that are engaged with each other, the AF top cover 13 and the AF bottom case 10 are both provided with openings, and the AF top cover 13 is engaged with one side of the AF bottom case 10 to form a limiting effect on components inside the AF bottom case 10. A support 14 is arranged in the AF bottom shell 10, an upper spring leaf 11 and a lower spring leaf 12 are respectively arranged on the upper side and the lower side of the support 14, the support 14 is connected with the AF bottom shell 10 through the upper spring leaf 11 and the lower spring leaf 12, and the spring leaves on the two sides have certain elastic extension length, so that the support 14 can move up and down in the AF bottom shell 10 along the axis.

As shown in fig. 3, the exploded view of the whole AF module a and the lens module 3 after detachment is included in the diagram to show the internal components of the whole AF module a and the correlation thereof. It can be seen that the bracket 14 is of annular configuration with a circular central portion and a focus actuator assembly disposed at each end of the diameter of the circular central portion. The focus actuation assembly includes a coil disposed on the bracket 14 and a magnet fixed to the inner wall of the AF bottom case 10. The magnet is close to the coil, the coil is a single-turn coil, two ends of the coil are communicated with an external circuit through an FPC (flexible printed circuit) or a flat cable, a certain magnetic field is generated by the coil through external input current, and the coil is matched with the magnet to realize the driving force of the support 14 in the axial direction, so that the zooming and distance adjusting effects are achieved.

The circular hole in the middle of the bracket 14 is provided with a limit groove or a thread, and is connected with the external lens module 3 through the limit groove and the thread.

Further, since the optical axis of the entire camera module needs to be adjusted during assembly, there is a certain correlation between the sensor and the lens module 3 in the prior art, which is inconvenient for adjustment. The sensor in this embodiment is disposed on a fixed plate, the fixed plate is connected to the housing through a reed, and the sensor anti-shake assembly disposed on the housing 1, the fixed plate and the bottom cover 4 controls the sensor anti-shake assembly to realize the anti-shake control. The AF module A enters from the opening at the top of the shell 1 and contacts with the edge of the opening at the top of the shell 1 to form a blocking limit.

Specifically, an outwardly protruding boss structure is provided at each of the four side positions of the AF bottom case 10 near the upper edge, and the boss structure is formed by bending and extending a certain length from the middle portion of the inner wall of the AF bottom case 10. And the external dimension of the whole AF bottom case 10 is just smaller than or equal to the opening edge of the case, so that the main body part of the AF bottom case can just sink into the case 1, and the four protruding boss structures just contact with the opening edge of the case 1 to form a barrier. At this time, the AF module a and the lens module 3 are independent structures with respect to the sensor and the sensor anti-shake assembly, and do not affect each other. Since the whole case 1 is placed on a certain table in the forward direction during assembly and the respective components are mounted in sequence, the AF module a can be placed in the case 1 and connected to the housing under the action of its gravity.

And an annular groove is also arranged at the edge of the opening at the top of the shell 1, the depth of the annular groove is more than or equal to the thickness of the lug boss, and the width of the bottom of the annular groove is more than the width of the lug boss. As shown in figure 1, when the whole camera module is assembled and molded, the boss just falls into the annular groove, has a certain pre-positioning effect, and is connected and fixed through viscose or welding and other modes.

It can also be seen that there is a cable outlet on any of the bosses, i.e. an opening is cut in the middle of the boss for the cable to drop out from the inside of the AF module a.

The surface of one side of the support 14 is provided with a mounting groove, a magnet is arranged in the mounting groove, the inner wall of the AF bottom shell 10 is provided with a PCB 19 with a Hall sensor, the Hall sensor is close to the magnet, and when the magnet acts along with the support 14, the Hall sensor can determine the displacement and the direction of the whole support 14 according to the change of a magnetic field, so that closed-loop control is formed after the magnet is fed back outwards.

The present invention is not limited to the above-described alternative embodiments, and various other forms of products can be obtained by anyone in light of the present invention. The above detailed description should not be taken as limiting the scope of the invention, which is defined in the claims, and which the description is intended to be interpreted accordingly.

Claims

1. The utility model provides a Sensor-Shift module of making a video recording which characterized in that: the sensor assembly is movably connected with the shell through an elastic connecting mechanism;

2. The Sensor-Shift camera module according to claim 1, wherein: the elastic connecting mechanism also comprises a connecting piece with one end fixed in the sensor component, and the connecting piece is provided with a conductive end electrically connected with an FPC (flexible printed circuit) soft board arranged in the shell;

3. The Sensor-Shift camera module according to claim 2, wherein: the sensor assembly comprises a base and an image sensor arranged on the base, and a sensor protective cover is buckled on the image sensor; the connecting piece is arranged on the base.

4. The Sensor-Shift camera module according to claim 3, wherein: the base is an injection molding piece, the connecting piece is fixed in the base, the sensor is fixed in the middle of the upper surface of the base, and a metal plate for bearing is arranged on the lower surface of the base.

5. A Sensor-Shift camera module according to any one of claims 1-4, characterized in that: the first spring plate is a ring-shaped member having a plurality of corners and has an elastic wall at the corners, the elastic wall having an end portion to which the suspension wire is connected.

6. A Sensor-Shift camera module according to claim 3 or 4, wherein: the OIS module comprises a first magnet arranged at the bottom of the shell and a first coil arranged at the bottom of the base, wherein an annular sinking groove is formed in the lower surface of the base, a PCB connected with an external circuit is arranged in the annular sinking groove, and the first coil is arranged on the PCB.

7. A Sensor-Shift camera module according to claim 3 or 4, wherein: still have in the shell and be used for connecting external line and sensor subassembly FPC winding displacement, the FPC winding displacement has the laminating portion of laminating in the image sensor peripheral part of base upper surface to and be the surrounding part of 90 buckling with laminating portion, surrounding part is connected through a plurality of kinks with laminating portion.

8. A Sensor-Shift camera module according to any one of claims 1-4, characterized in that: the shell comprises a shell body and a bottom cover, wherein the bottom cover is provided with a plurality of clips clamped with the shell body.

9. A Sensor-Shift camera module according to any one of claims 1-4, characterized in that: the AF module is provided with a plurality of bosses, and the AF module sinks into the shell from an opening at one side of the shell and is abutted against the edge of the opening of the shell by the bosses to realize fixed connection.

10. The Sensor-Shift camera module according to claim 9, wherein: the AF module is also provided with an FPC belt connected with an external circuit, and the FPC belt is connected with a Hall sensor arranged in the AF module.