Disclosure of Invention
Therefore, the camera module adjusting jig and the camera module adjusting device are provided for solving the problem that the current focusing condition cannot be checked in time after the lens is clamped by the existing jig, and the lens focusing test efficiency is reduced.
According to an aspect of the application, a camera module adjustment tool is provided, the camera module includes sensitization device, lens cone and lens, sensitization device with the lens sets up relatively, just the lens install in the lens cone, camera module adjustment tool includes: the bearing seat is used for bearing the camera module; the rotating platform is arranged on the bearing seat and can rotate around a preset axis relative to the bearing seat, an accommodating groove penetrating through the rotating platform is formed in the rotating platform, and the accommodating groove is configured to accommodate the camera module; and the clamping mechanism is arranged on the bearing seat and is configured to be used for clamping the lens barrel so that the lens and the photosensitive device can be close to or far away from each other along with the rotation of the rotating platform relative to the bearing seat.
The utility model provides a module adjustment tool of making a video recording through set up revolving stage and fixture on bearing the seat, sets up the holding tank on the revolving stage for the module of making a video recording on bearing the seat can hold in the holding tank, and, utilize fixture centre gripping lens cone, when making the revolving stage bear the seat rotation relatively, the lens that is located the lens cone can be close to or keep away from the sensitization device along with the rotation of lens cone, realizes the regulation of focus. Therefore, the driving circuit of the camera module is electrically connected with the display device, so that the condition of focal length adjustment can be known in real time according to the definition of the image output by the display device.
In some embodiments, the lens barrel is provided with a focusing groove; the clamping mechanism is provided with a clamping head, and the clamping head deviates from one end of the bearing seat and is matched with the focusing groove in a clamping mode. When the clamping joint of the clamping mechanism is clamped with the focusing groove on the lens cone, the clamping mechanism is arranged on the bearing seat, so that the lens cone is fixed relative to the bearing seat, the lens seat can be fixed with the rotating platform, and based on the structure, when the rotating platform rotates relative to the bearing seat, the lens cone rotates relative to the lens seat, and the adjustment of the focal length is realized.
In some embodiments, the lens barrel is provided with a plurality of focusing grooves at intervals along the circumference thereof; the clamping mechanism is provided with a plurality of clamping joints, the clamping joints and the focusing grooves are arranged in a one-to-one correspondence mode, and therefore the clamping mechanism can clamp the lens barrel more stably through the cooperation of the clamping joints and the focusing grooves, and the lens barrel can be kept stable better in the focusing process.
In some embodiments, the bearing seat is provided with a mounting groove; the clamping mechanism comprises a supporting column and a buckling piece, one end of the supporting column is installed in the installation groove, the other end of the supporting column extends in the direction deviating from the bearing seat, the buckling piece is connected to the supporting column, and the length extending direction of the buckling piece is perpendicular to the extending direction of the supporting column to form the clamping head. Based on this, when the module of making a video recording bears on bearing the seat and holds in the holding tank of revolving stage, will connect the cramp on the support column and push down from the top of the module of making a video recording, make cramp and the focusing groove joint on the microscope base to the realization is to the centre gripping of microscope base.
In some embodiments, the mounting groove is configured as a threaded groove, and the support pillar is provided with a threaded section adapted to the threaded groove. Through the screw thread section cooperation of thread groove and support column for the installation of support column is convenient and fast more, and the installation effect is stable, and can adjust the degree of depth that the support column inserted in the mounting groove, thereby adjusts the height of the cramp of connecting on the support column, so that adjust the elasticity degree of cramp to the mirror base centre gripping.
In some embodiments, a spring is sleeved outside the supporting column, and one end of the spring abuts against the bearing seat and the other end of the spring abuts against the buckle piece. The spring is utilized to play a role in supporting and buffering between the bearing seat and the buckle piece, so that the buckle piece can clamp the lens seat more stably.
In some embodiments, the bearing seat is provided with a buffer member, the buffer member extends in a direction away from the bearing seat, and an orthographic projection of the buffer member to the bearing seat is overlapped with an orthographic projection of the buckle piece to the bearing seat. Based on this, at the in-process of the degree of depth that the adjustment support column inserted in the mounting groove, the bolster can block the cramp, reaches the effect of buffering, places the cramp and to the too big lens holder's extrusion force and lead to the lens holder to damage. Wherein, the material of the buffer piece is the same as or different from the shape of the buckle piece.
In some embodiments, the rotary table is configured as a ball bearing including an outer ring and an inner ring disposed within the outer ring, an inner space of the inner ring forming the receiving groove. Utilize the relative rotation between ball bearing's inner ring and the outer loop to realize the relative rotation between microscope base and the camera lens for the focus adjustment process is more smooth and easy, thereby promotes focus adjustment's stability.
In some embodiments, the camera module further comprises a circuit board, and a driving circuit is arranged on the circuit board; the photosensitive device is arranged on the circuit board and electrically connected with the driving circuit, and the lens is positioned on one side of the photosensitive device, which deviates from the circuit board. Based on this, in the focusing process, the circuit board of the module of will making a video recording is fixed in the below of revolving stage to make the lens cone stretch into in the holding tank of revolving stage, so, the lens can not sheltered from, and it is rotatory to drive the lens cone through the rotation of revolving stage, thereby drives the lens and is close to or keeps away from photosensitive element, realizes the regulation of focus. Therefore, the circuit board is electrically connected with the display device, so that the condition of focal length adjustment can be known in real time through the definition of the image output by the display device.
According to another aspect of the present application, a camera module adjusting device is provided, which includes the camera module adjusting jig.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is capable of embodiments in many different forms than those described herein and that modifications may be made by one skilled in the art without departing from the spirit and scope of the application and it is therefore not intended to be limited to the specific embodiments disclosed below.
In the description of the present application, 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 are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and encompass, for example, both fixed and removable connections or integral parts thereof; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
In electronic devices such as mobile phones, a camera module generally includes an optical lens and a photosensitive chip, and during an assembly process of the camera module, a position where an image of the optical lens is clear needs to be determined by adjusting a distance between the optical lens and the photosensitive chip to complete focusing. For example, in the focal length adjustment process of a depth lens (Time of Flight, TOF), whether an image is clear or not needs to be adjusted manually, and the current focusing jig needs to be detached to check the focusing condition in the focusing process, which is Time-consuming and labor-consuming, so that the lens focusing test efficiency is reduced.
For solving the above problem, the application provides a module of making a video recording adjustment tool, through set up the revolving stage of being connected with it rotation on bearing the seat, utilize the revolving stage to hold the module of making a video recording of placing on bearing the seat, and utilize the fixture centre gripping lens cone of the module of making a video recording on bearing the seat, when making the revolving stage bear the seat rotation relatively, the lens cone of the module of making a video recording can drive the relative photosensitive device removal of lens, thereby realize the regulation of focus, therefore, through the display device of electric connection in the drive circuit of the module of making a video recording, can know the condition of focus regulation in real time.
Fig. 1 shows a schematic structural diagram of a camera module adjustment fixture in an embodiment of the present application. Fig. 2 is a schematic structural diagram illustrating another view angle of the camera module adjustment fixture according to an embodiment of the present application.
Referring to fig. 1 and fig. 2, an embodiment of the present application provides a camera module adjusting jig for adjusting a camera module 10, where the camera module 10 includes a photosensitive device, a lens barrel, and a lens. The camera module adjusting jig comprises a bearing seat 20, a rotating platform 30 and a clamping mechanism 40, wherein the bearing seat 20 is used for bearing the camera module 10, the rotating platform 30 is arranged on the bearing seat 20 and can rotate around a preset axis relative to the bearing seat 20, a containing groove penetrating through the rotating platform 30 is formed in the rotating platform 30, and the containing groove is used for containing the camera module 10; the clamping mechanism 40 is disposed on the carriage 20, and the clamping mechanism 40 is configured to clamp the lens barrel so that the lens and the optical sensor device can move closer to or away from each other as the rotating platform 30 rotates relative to the carriage 20.
The utility model provides a module adjustment tool of making a video recording through set up revolving stage 30 and fixture 40 on bearing seat 20, sets up the holding tank on revolving stage 30 for the module 10 of making a video recording on bearing seat 20 can hold in the holding tank, and, utilize fixture 40 centre gripping lens cone, when making revolving stage 30 rotate relatively bearing seat 20, the lens that is located the lens cone can be close to or keep away from the photosensitive device along with the rotation of lens cone, realizes the regulation of focus. Therefore, the driving circuit of the camera module 10 is electrically connected with the display device, so that the condition of focal length adjustment can be known in real time according to the definition of the image output by the display device.
Optionally, the rotating platform 30 is arranged in a circular ring shape, and the preset axis coincides with the central axis of the rotating platform 30. It can be understood that the lens barrel of the conventional camera module 10 is generally cylindrical, and therefore, the entire camera module 10 is cylindrical, and based on this, the rotating platform 30 is configured to be circular, and the preset axis coincides with the central axis of the rotating platform 30, so that the space utilization rate in the rotating platform 30 can be improved.
In some embodiments, a focusing groove is provided on the lens barrel, the holding mechanism 40 has a clamping head 41, and one end of the clamping head 41 facing away from the bearing base 20 is in clamping fit with the focusing groove. When the clamping head 41 of the clamping mechanism 40 is clamped with the focusing groove on the lens barrel, since the clamping mechanism 40 is disposed on the bearing base 20, the lens barrel is fixed relative to the bearing base 20, and the lens base can be fixed with the rotating base 30, based on this, when the rotating base 30 rotates relative to the bearing base 20, the lens barrel rotates relative to the lens base, thereby realizing the adjustment of the focal length.
Optionally, the camera module 10 further includes a housing, the housing is disposed in a cylindrical shape, the photosensitive device is mounted on the housing, and the lens barrel is mounted in the housing and is in threaded connection with the housing, so that by rotating the lens barrel, the lens barrel moves relative to the housing, and the distance between the lens mounted in the lens barrel and the photosensitive device mounted on the housing can be changed, thereby adjusting the focal length.
In some embodiments, a plurality of focusing grooves are formed in the lens barrel at intervals along the circumferential direction thereof, the clamping mechanism 40 has a plurality of snap joints 41, and the plurality of snap joints 41 are arranged in one-to-one correspondence with the plurality of focusing grooves. The clamping mechanism 40 clamps the lens barrel more stably through the matching of the clamping heads 41 and the focusing grooves, so that the lens barrel is kept stable better in the focusing process.
Optionally, a plurality of focusing grooves are evenly arranged along the circumference of the lens base at intervals, so that the clamping force of the clamping mechanism 40 on the lens base can be evenly dispersed, and the stability of the clamping process is further improved. For example, in a specific embodiment, the number of the focus adjustment grooves is two, and the two focus adjustment grooves are symmetrically distributed at two radial ends of the lens holder, so that the lens holder is stably held by the holding mechanism 40.
In some embodiments, the carrying seat 20 is provided with a mounting groove; the clamping mechanism 40 includes a supporting column 42 and a buckle 43, one end of the supporting column 42 is installed in the installation slot, the other end extends in a direction away from the carrier 20, the buckle 43 is connected to the supporting column 42, and a length extending direction of the buckle 43 is perpendicular to an extending direction of the supporting column 42 to form a snap joint 41. When the camera module 10 is carried on the carrying base 20 and accommodated in the accommodating slot of the rotating base 30, the fastening piece 43 connected to the supporting post 42 is pressed down from above the camera module 10, so that the fastening piece 43 is engaged with the focusing groove of the lens base, thereby clamping the lens base.
In an alternative embodiment, the upper surface of the lens holder is provided with a groove, and the groove penetrates through the side surface of the lens holder, so that the buckle 43 can be lapped in the groove to realize the clamping connection between the clamping joint 41 and the groove. In another alternative embodiment, the upper surface of the mirror base is provided with a groove, and one end of the buckle piece 43 away from the support column 42 is bent downwards and inserted into the groove, so as to realize clamping between the buckle piece 43 and the groove, and further realize clamping of the mirror base. Optionally, the material of the cramp 43 is metal, such as iron, stainless steel. Alternatively, the flap 43 is elongated in shape.
In some embodiments, the mounting groove is configured as a threaded groove, and the support post 42 is provided with a threaded section that mates with the threaded groove. Through the screw thread section cooperation of thread groove and support column 42 for support column 42's installation is convenient and fast more, and the installation effect is stable, and can adjust the degree of depth that support column 42 inserted in the mounting groove, thereby adjusts the height of cramp 43 of connecting on support column 42, so that adjust the elasticity degree of cramp 43 to the mirror base centre gripping.
Optionally, the cross-sectional shape of the supporting column 42 is circular, and an operating head is arranged at one end of the supporting column 42, which is away from the carrier 20, and the diameter of the operating head is larger than that of the supporting column 42, so that an operator can adjust the depth of the supporting column 42 inserted into the mounting groove through the operating head, thereby improving the comfort level of operation.
Optionally, the spring 421 is sleeved outside the supporting column 42, and one end of the spring 421 abuts against the bearing seat 20, and the other end abuts against the buckle 43, so that the spring 421 can play a role of supporting and buffering between the bearing seat 20 and the buckle 43, so that the buckle 43 can clamp the mirror base more stably.
Optionally, the bearing seat 20 is provided with a buffer member 21, the buffer member 21 extends in a direction away from the bearing seat 20, and an orthographic projection of the buffer member 21 toward the bearing seat 20 overlaps with an orthographic projection of the buckle piece 43 toward the bearing seat 20. Based on this, in the in-process of the degree of depth of adjustment support column 42 insertion mounting groove, bolster 21 can block cramp 43, reaches the effect of buffering, places the too big lens holder damage of the extrusion force of cramp 43 to the lens holder. The material of the buffer 21 is the same as or different from the shape of the buckle 43.
In some embodiments, the rotary table 30 is configured as a ball bearing 31, and the ball bearing 31 includes an outer ring and an inner ring disposed within the outer ring, and an inner space of the inner ring forms the receiving groove. The ball bearing 31 is a kind of rolling bearing, and spherical alloy steel balls are installed between an inner steel ring and an outer steel ring, so as to reduce friction force in a power transmission process and improve transmission efficiency of mechanical power in a rolling manner. The relative rotation between the lens holder and the lens is realized by the relative rotation between the inner ring and the outer ring of the ball bearing 31, so that the focal length adjusting process is smoother, and the stability of focal length adjustment is improved.
Fig. 3 is a schematic structural diagram illustrating an adjustment fixture for a camera module according to another embodiment of the present application.
Referring to fig. 2 and 3, in some embodiments, the camera module 10 further includes a circuit board 11, and the circuit board 11 is provided with a driving circuit; the photosensitive device is installed on the circuit board 11 and electrically connected with the driving circuit, and the lens is located on one side of the photosensitive device departing from the circuit board 11. In the focusing process, the circuit board 11 of the camera module 10 is fixed below the rotary table 30, and the lens barrel extends into the accommodating groove of the rotary table 30, so that the lens cannot be shielded, the lens barrel is driven to rotate through the rotation of the rotary table 30, and the lens is driven to be close to or far away from the photosensitive device, so that the adjustment of the focal length is realized. Therefore, the circuit board 11 is electrically connected with the display device, so that the condition of focal length adjustment can be known in real time through the definition of the output image of the display device.
Referring to fig. 1 to 3, in an embodiment, the camera module 10 includes a housing, a circuit board 11, a photosensitive device, a lens barrel, and a lens. The shell is arranged in a cylindrical shape; the circuit board 11 is provided with a driving circuit, the photosensitive device is mounted on the circuit board 11 and electrically connected with the driving circuit on the circuit board 11, and the circuit board 11 is mounted on the shell; the lens barrel is arranged in the shell and is in threaded connection with the shell, the lens is arranged in the lens barrel and is opposite to the photosensitive device, and a focusing groove is formed in the lens barrel.
The camera module adjusting jig comprises a bearing seat 20, a ball bearing 31 and a clamping mechanism 40, wherein the bearing seat 20 is used for bearing the camera module 10, the ball bearing 31 and the clamping mechanism 40 are arranged on the bearing seat 20, the ball bearing 31 comprises an outer ring and an inner ring arranged in the outer ring, the inner space of the inner ring forms an accommodating groove, and the accommodating groove is used for accommodating the camera module 10 on the bearing seat 20. The clamping mechanism 40 includes a supporting column 42 mounted on the carrier 20 and a buckle 43 connected to the supporting column 42, wherein the supporting column 42 can move relative to the supporting seat to adjust the height of the buckle 43.
In the focusing process, place the module 10 of making a video recording on bearing the seat 20, place ball bearing 31 on the circuit board 11 of the module 10 of making a video recording, and make the casing of the module 10 of making a video recording hold in the holding tank, again with the cramp 43 of fixture 40 and the focusing groove joint on the lens cone, at this moment, the lens cone that is detained by cramp 43 is fixed for bearing seat 20, so, utilize joint or other modes to fix the casing of the module 10 of making a video recording and ball bearing 31, it is rotatory for the lens cone to drive the casing through rotatory ball bearing 31, thereby realize the regulation of focus. The camera module adjusting jig provided by the embodiment of the application has the advantages of simple structure and easiness in processing and forming, and does not influence the light incoming amount of the camera module 10 in the focusing process, so that the accuracy of the current backbone parameters in the focusing process is guaranteed. In addition, the connection mode between the clamping mechanism 40 and the lens cone is simple and flexible, so that the camera module adjusting jig can be suitable for different camera modules 10, the application range of the camera module adjusting jig is expanded, and the cost is reduced.
Based on the same purpose, the application also provides a camera module adjusting device. In an embodiment of the present application, the camera module adjusting device includes the camera module adjusting jig in the above embodiment.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent application shall be subject to the appended claims.