CN111213360A - Zooming camera module of intelligent terminal and use method thereof - Google Patents
Zooming camera module of intelligent terminal and use method thereof Download PDFInfo
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Abstract
The invention provides a zooming camera module of an intelligent terminal and a using method thereof, wherein the zooming camera module comprises: a fixed focus lens, an adjusting lens and an electromagnetic extrusion block; the adjusting lens is arranged on two sides of the fixed-focus lens and can be extruded and deformed under the extrusion of the electromagnetic extrusion block; the electromagnetic extrusion block is arranged between the fixed-focus lens and the adjusting lens and used for extruding the adjusting lens and adjusting the extrusion deformation of the adjusting lens, so that the focal length of the zooming camera module is adjusted. In the technical scheme of the invention, the zoom camera module has small volume, simple structure and low cost, does not need a complex telescopic mechanism, a synthesis algorithm or an externally hung lens, and easily realizes optical zooming.
Description
The invention relates to the field of intelligent terminals, in particular to a zoom camera module of an intelligent terminal and a using method thereof.
With the continuous development of electronic information technology, intelligent terminals such as smart phones and tablet computers have been widely used, and the intelligent terminals have become indispensable necessities in the life of users. Because the convenience that intelligent terminal carried and the improvement greatly of intelligent terminal camera pixel, more and more users more tend to shoot through intelligent terminal, enjoy constantly and take notes the beauty in the life, especially for women's user, the action of using intelligent terminals such as smart mobile phone to shoot or autodyne is more and more, and to a certain extent, intelligent terminal has replaced the camera gradually and has become the mainstream instrument of shooing at present.
The intelligent terminal has been developed to be unconscious for more than ten years nowadays, software and hardware of the intelligent terminal and user experience are subversive in the decades, and along with the continuous progress of the intelligent terminal technology, a user not only can be satisfied that a camera function of the intelligent terminal is used for simply shooting a photo for real-time recording, but also hopes to shoot the photo with better effect, more diversification and individuation. In order to meet the requirements of users on individuation and diversification of shot photos, cameras of the intelligent terminal provide more and more functions for the users to shoot the photos or the self-shot photos.
The zoom lens is a camera lens which can change focal length in a certain range, thereby obtaining different field angles, images with different sizes and different scene ranges. The zoom lens can change a photographing range by varying a focal length without changing a photographing distance, and thus is very advantageous for picture composition. Because one zoom lens can play the role of a plurality of fixed-focus lenses, the number of the carried photographic equipment is reduced and the time for replacing the lenses is saved during traveling.
Compared with a fixed focus lens, the zoom lens has the following defects:
1. the price is high;
2. the volume is large;
3. at any determined focal length, the image is often not as sharp as the best fixed-focus lens.
Without wishing to mention these inherent drawbacks, the optical industry has produced many excellent zoom lenses using computer-based lens design. Many zoom lenses have been very clear and relatively small, but still expensive.
The optical zoom camera can enable the intelligent terminal to realize optical zoom in the photographing process, and clear, lossless and high-quality pictures can be taken under the condition that the intelligent terminal is zoomed and photographed.
The optical zoom camera of the intelligent terminal mainly comprises the following schemes:
1. external-hanging zoom lens
The external optical lens on the intelligent terminal is used for realizing optical zooming, and zooming in higher times can be realized through different external lens designs.
2. Double cameras
The effect similar to stepless optical zooming is realized by matching a short-focus camera and a long-focus camera and synthesizing through a double-shooting algorithm, and the defect is that the effect is synthesized by software and is not really stepless lossless zooming.
3. Telescopic optical zoom camera
The intelligent terminal is basically not used any more, is mostly used for cameras, has extremely large lens volume and excellent optical zooming performance, and has the defects of large volume and is contrary to the development trend of lightness and thinness of the intelligent terminal.
Therefore, the invention provides a zoom camera module of an intelligent terminal and a use method thereof, wherein the zoom camera module comprises: a fixed focus lens, an adjusting lens and an electromagnetic extrusion block; the adjusting lens is arranged on two sides of the fixed-focus lens and can be extruded and deformed under the extrusion of the electromagnetic extrusion block; the electromagnetic extrusion block is arranged between the fixed-focus lens and the adjusting lens and used for extruding the adjusting lens and adjusting the extrusion deformation of the adjusting lens, so that the focal length of the zooming camera module is adjusted. When the intelligent terminal is used, the zooming camera module of the intelligent terminal is started; setting an adjusting switch of the zooming camera module, and setting a corresponding relation between the adjusting switch and the adjusting degree of the extrusion deformation of the adjusting lens by the electromagnetic extrusion block; detecting a change in the adjustment switch; and adjusting the extrusion deformation of the adjusting lens according to the change of the adjusting switch and the corresponding relation between the adjusting switch and the adjusting degree of the extrusion deformation of the adjusting lens by the electromagnetic extrusion block, so as to adjust the focal length of the zooming camera module. The technical scheme of the invention has small volume, simple structure and low cost, does not need a complex telescopic mechanism, a synthesis algorithm or an externally hung lens, and easily realizes optical zooming.
Disclosure of Invention
In order to overcome the technical defects, the invention aims to provide a zoom camera module of an intelligent terminal and a using method thereof.
In one aspect of the present invention, a zoom camera module of an intelligent terminal is disclosed, the zoom camera module includes: a fixed focus lens, an adjusting lens and an electromagnetic extrusion block;
the adjusting lens is arranged on two sides of the fixed-focus lens and can be extruded and deformed under the extrusion of the electromagnetic extrusion block;
the electromagnetic extrusion block is arranged between the fixed-focus lens and the adjusting lens and used for extruding the adjusting lens and adjusting the extrusion deformation of the adjusting lens, so that the focal length of the zooming camera module is adjusted.
Preferably, the thickness of the adjusting lens is smaller than that of the fixed-focus lens.
Preferably, the electromagnetic extrusion blocks are uniformly arranged between the fixed-focus lens and the adjusting lens.
Preferably, an accommodating space is formed between the fixed-focus lens and the adjusting lens, and the accommodating space accommodates the electromagnetic extrusion block.
Preferably, the number of the electromagnetic extrusion blocks is four;
and the four end points of the fixed-focus lens corresponding to the adjusting lens are respectively provided with an accommodating space, and the accommodating spaces accommodate the electromagnetic extrusion blocks.
In another aspect of the present invention, a method for using the zoom camera module is also disclosed, and the method comprises the following steps:
starting a zooming camera module of the intelligent terminal;
setting an adjusting switch of the zooming camera module, and setting a corresponding relation between the adjusting switch and the adjusting degree of the extrusion deformation of the adjusting lens by the electromagnetic extrusion block;
detecting a change in the adjustment switch;
and adjusting the extrusion deformation of the adjusting lens according to the change of the adjusting switch and the corresponding relation between the adjusting switch and the adjusting degree of the extrusion deformation of the adjusting lens by the electromagnetic extrusion block, so as to adjust the focal length of the zooming camera module.
Preferably, the step of setting an adjustment switch of the zoom camera module, and the step of setting a corresponding relationship between the adjustment switch and an adjustment degree of the extrusion deformation of the adjustment lens by the electromagnetic extrusion block, includes:
setting a corresponding relation between the driving current of the zooming camera module and the adjusting degree of the extrusion deformation of the adjusting lens by the electromagnetic extrusion block;
and setting the corresponding relation between the adjusting switch and the driving current of the zooming camera module, thereby setting the corresponding relation between the adjusting switch and the adjusting degree of the extrusion deformation of the adjusting lens by the electromagnetic extrusion block.
Preferably, the method of use further comprises the steps of:
setting a deformation threshold value in the zooming camera module;
detecting the extrusion deformation of the adjusting lens;
comparing the extrusion deformation of the adjusting lens with the deformation threshold value;
and when the extrusion deformation of the adjusting lens exceeds the deformation threshold value, stopping the adjustment of the extrusion deformation of the adjusting lens by the electromagnetic extrusion block.
Preferably, the method of use further comprises the steps of:
setting a first time threshold in the zoom camera module;
detecting the cumulative time for opening the zoom camera module;
comparing the cumulative time for opening the zoom camera module with the first time threshold;
and when the accumulated time for opening the zooming camera module exceeds the first time threshold, closing the zooming camera module.
Preferably, the method of use further comprises the steps of:
setting a second time threshold in the zoom camera module;
detecting the extrusion time of the electromagnetic extrusion block for extruding and deforming the adjusting lens after the zoom camera module is started;
comparing the extrusion time of the electromagnetic extrusion block for extruding and deforming the adjusting lens with the second time threshold;
and when the extrusion time of the electromagnetic extrusion block for extruding and deforming the adjusting lens exceeds the second time threshold, stopping the extrusion of the electromagnetic extrusion block for the adjusting lens.
After the technical scheme is adopted, compared with the prior art, the method has the following beneficial effects:
1. the invention provides a zoom camera module and a use method thereof, wherein the zoom camera module comprises: a fixed focus lens, an adjusting lens and an electromagnetic extrusion block; the adjusting lens is arranged on two sides of the fixed-focus lens and can be extruded and deformed under the extrusion of the electromagnetic extrusion block; the electromagnetic extrusion block is arranged between the fixed-focus lens and the adjusting lens and used for extruding the adjusting lens and adjusting the extrusion deformation of the adjusting lens, so that the focal length of the zooming camera module is adjusted. When the intelligent terminal is used, the zooming camera module of the intelligent terminal is started; setting an adjusting switch of the zooming camera module, and setting a corresponding relation between the adjusting switch and the adjusting degree of the extrusion deformation of the adjusting lens by the electromagnetic extrusion block; detecting a change in the adjustment switch; and adjusting the extrusion deformation of the adjusting lens according to the change of the adjusting switch and the corresponding relation between the adjusting switch and the adjusting degree of the extrusion deformation of the adjusting lens by the electromagnetic extrusion block, so as to adjust the focal length of the zooming camera module. The technical scheme of the invention has small volume, simple structure and low cost, does not need a complex telescopic mechanism, a synthesis algorithm or an externally hung lens, and easily realizes optical zooming.
Fig. 1 is a schematic structural diagram of a zoom camera module according to a preferred embodiment of the present invention;
fig. 2 is a schematic flow chart of a method for using a zoom camera module according to a preferred embodiment of the invention;
FIG. 3 is a schematic flow chart illustrating the step of setting the adjustment switch in the method of use of FIG. 2;
FIG. 4 is a flowchart illustrating a deformation limiting step for adjusting the lens in the using method of FIG. 2;
FIG. 5 is a schematic flowchart illustrating a timeout closing step of the zoom camera module in the use method of FIG. 2;
fig. 6 is a flowchart illustrating a step of adjusting lens morphing timeout closing in the using method of fig. 2.
Reference numerals: 100-a zoom camera module; 11-fixed focus lens; 12-adjusting the lens; 13-electromagnetic extrusion block.
The advantages of the invention are further illustrated in the following description of specific embodiments in conjunction with the accompanying drawings.
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the invention, as detailed in the appended claims.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used in this specification and the appended claims, the singular forms "a", "an", "the", and the like are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
It should be understood that although the terms first, second, etc. may be used herein to describe different time thresholds, this should not be limited to these terms. These terms are only used to distinguish one type of temporal threshold from another. For example, the first time threshold may also be referred to as a second time threshold, and similarly, the second time threshold may also be referred to as a first time threshold, without departing from the scope of the present invention. The word "when … …" as used herein may be interpreted as "when … …" or "when" or "in response to a determination," depending on the context.
In the description of the present invention, unless otherwise specified and limited, it is to be noted that the terms "disposed," "mounted," and the like are to be interpreted broadly, and may be, for example, mechanically or electrically connected, or may be communicated between two elements, directly or indirectly through an intermediate medium, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.
The zoom camera module and the method for using the same according to the present invention may be applied to a smart terminal, which may be in various forms, for example, the smart terminal described in the present invention may include a mobile terminal such as a mobile phone, a smart phone, a notebook computer, a PDA (personal digital assistant), a PAD (tablet computer), a PMP (portable multimedia player), a navigation device, a smart watch, and the like, and a fixed terminal such as a digital TV, a desktop computer, and the like. In the following, the present invention will be described assuming that the terminal is a mobile terminal and that the mobile terminal is a smartphone. However, it will be understood by those skilled in the art that the configuration according to the embodiment of the present invention can be applied to a fixed type terminal in addition to elements particularly used for moving purposes. For convenience of description, the embodiments of the present invention are described with reference to a smart phone as an example, and other application scenarios may be referred to each other.
Referring to fig. 1, a zoom camera module 100 according to a preferred embodiment of the present invention includes: a fixed focus lens 11, an adjusting lens 12 and an electromagnetic extrusion block 13;
the adjusting lens 12 is arranged on two sides of the fixed-focus lens 11 and can be extruded and deformed under the extrusion of the electromagnetic extrusion block 13;
the electromagnetic extrusion block 13 is arranged between the fixed-focus lens 11 and the adjusting lens 12, and is used for extruding the adjusting lens 12 and adjusting the extrusion deformation of the adjusting lens 12, so as to adjust the focal length of the zoom camera module 100.
The zoom camera module 100 of the present invention can be arranged on the back of the smart phone, firstly, a fixed focus lens 11 with a large thickness is arranged at the center of the zoom camera module 100, two adjusting lenses 12 with a small thickness are arranged on two sides of the fixed focus lens 11, and an electromagnetic extrusion block 13 for adjusting the extrusion deformation of the adjusting lens 12 is arranged between the fixed focus lens 11 and the adjusting lens 12.
The electromagnetic squeezing blocks 13 may be uniformly disposed between the fixed-focus lens 11 and the adjustable lens 12, or disposed at four end points of the zoom camera module 100. In order to facilitate the installation and assembly of the electromagnetic pressing block 13, in a preferred embodiment, an accommodating space is formed between the fixed-focus lens 11 and the adjusting lens 12, and the accommodating space accommodates the electromagnetic pressing block 13. Further, in a preferred embodiment, the number of the accommodating spaces is four, and the number of the electromagnetic extrusion blocks 13 is four; the four end points of the fixed-focus lens 11 corresponding to the adjusting lens 12 are respectively provided with the four accommodating spaces, the cross section of the fixed-focus lens 11 after the accommodating spaces are formed is in a cross shape, and the accommodating spaces accommodate the electromagnetic extrusion blocks 13.
The working principle of the zoom camera module 100 is as follows: when the zooming camera module 100 is started, the smart phone is powered on for the zooming camera module 100, the electromagnetic extrusion block 13 is driven to extrude the adjusting lens 12 through electromagnetic induction, the electromagnetic extrusion block 13 extrudes the adjusting lens 12, the adjusting lens 12 deforms after being extruded, the adjusting lens 12 forms different shapes, the optical system of the zooming camera module 100 is changed, different optical systems form different focal lengths, and zooming is finished.
The following takes an intelligent terminal as a mobile phone as an example to further explain the working principle of the mobile phone camera module:
the mobile phone camera mainly comprises components such as a PCB (printed circuit board), a lens, a fixer, a color filter, a DSP (for CCD), a sensor and the like, and the working principle is as follows: the shot scenery passes through the lens, the generated optical image is projected on the sensor, then the optical image is converted into an electric signal, the electric signal is converted into a digital signal through analog-to-digital conversion, the digital signal is processed by the DSP and then is sent to the mobile phone processor for processing, and finally the digital signal is converted into an image which can be seen on the mobile phone screen.
-PCB board
The PCB is a printed circuit board used in the camera and is divided into a hard board, a soft board and a soft and hard combined board.
-lens
A lens is a device for imaging a photographed subject on a sensor, and is generally composed of several lenses. From the material, the lens of the camera can be divided into a plastic lens and a glass lens. Glass transparency and imaging quality have great advantages, but glass lenses are also high in cost.
There are two more important parameters for a lens: aperture and focal length. The aperture is a device which is arranged on the lens and controls the quantity of light reaching the sensor through the lens, the aperture also has the function of controlling the depth of field besides controlling the light flux, the aperture is larger, the depth of field is smaller, and the background obscuration effect is embodied as small depth of field when people take photos at ordinary times. For example, the apertures of both Nokia 800 and Mei MX quad-nuclear plates are f/2.2, the aperture of millet 2 is f/2.0, the aperture of iPhone 4S is f/2.4, and the smaller the number, the larger the aperture, i.e., the maximum aperture of millet 2, and the theoretically the best imaging effect without adding other factors.
Another important parameter of a lens is additionally the "focal length". The focal length is the distance from the center point of the lens to the sharp image formed on the sensor plane. According to the imaging principle, the focal length of the lens determines the size of an image formed on the sensor by an object shot by the lens. For example, when the same object is photographed, the longer the focal length is, the larger the image of the object can be photographed. The long focal length is similar to a telescope.
(1) Fixed focus lens
A prime lens (prime lens) refers to a lens having only one fixed focal length, only one focal length, or only one field of view, and it has no zoom function.
The design of the fixed-focus lens is much simpler than that of the zoom lens, but the common zoom lens has influence on imaging in the zooming process, and the fixed-focus lens has the greatest advantages of high focusing speed and stable imaging quality relative to a zooming machine. The digital camera with the fixed-focus lens can shoot clear and stable moving object images, is very accurate in focusing, fine and smooth in picture, very slight in granular sensation and relatively accurate in photometry. The fixed focus lens has the defects that the fixed focus lens is inconvenient, the size of a shot object is adjusted only by the movement of a photographer, and the fixed focus lens cannot be used in some occasions which are not suitable for movement.
(2) Zoom lens
The zoom lens is a photographic lens which can change focal length in a certain range so as to obtain different field angles, images with different sizes and different scene ranges. The zoom lens can change a photographing range by varying a focal length without changing a photographing distance, and thus is very advantageous for picture composition. Because one zoom lens can play the role of a plurality of fixed-focus lenses, the number of the carried photographic equipment is reduced and the time for replacing the lenses is saved during traveling.
The focus of the Zoom lens is on the Zoom capability, and the Zoom capability includes various Optical Zoom (Optical Zoom), Digital Zoom (Digital Zoom), and telephoto Zoom (Hybrid Zoom). Although all the components are helpful for magnifying distant objects in telescopic shooting, after the imaging of the image main body can be supported only by optical zooming, more pixels are added, so that the main body is enlarged and relatively clearer. Generally, the larger the zoom factor, the more suitable it is for telephoto shooting. Optical zooming, like conventional camera designs, depends on the focal length of the lens, so the resolution and image quality do not change. Digital zoom can only cut down the original image size, making the image bigger on the LCD screen, but does not help to make the details clearer.
Optical zooming occurs by changing the position of the lens, the object and the focal point. When the imaging surface moves in the horizontal direction, vision and focal length change, the farther scenery becomes clearer, and people feel like the progressive feeling of objects. The optical zooming is to change the position of a focal point by moving a lens in a lens, change the length of the focal length of the lens and change the size of an angle of view of the lens, thereby realizing the enlargement and reduction of an image. When the position of the focal point is changed, the focal length is also changed. For example, if the focal point is moved in the opposite direction to the image plane, the focal length will be longer, and the angle of view in the figure will also be smaller. Thus, the subject in the viewing angle range becomes larger on the imaging plane.
-a holder and a color filter.
The fixer is used for fixing the lens, and the fixer is also provided with a color filter. The color filter is also called a color separation color filter, and at present, two color separation modes exist, one is an RGB primary color separation method, and the other is a CMYK complementary color separation method.
-DSP
The DSP is called as a digital signal processing chip, and has the functions of optimizing digital image signals through a series of complex mathematical algorithm operations and finally transmitting the processed signals to a display. At present, the design and production technology of DSP manufacturers are relatively mature, and various technical indexes are not very different. The above-mentioned DSP is used in the CCD because, in the camera of the CMOS sensor, the DSP chip is already integrated into the CMOS, and they are integral in appearance. The camera adopting the CCD sensor is divided into two independent parts of a CCD and a DSP.
-a sensor
Sensors on mobile phones are now CMOS. For the sensor, the CMOS is small compared with the CCD, low in price and high in yield. With the continuous development of CMOS technology, the difference between the image quality and the CCD is small, and the performance of high frame rate video is better than that of CCD.
Referring to fig. 2, the present invention also discloses a method for using the zoom camera module 100, which includes the following steps:
s100: starting a zooming camera module 100 of the intelligent terminal;
s200: setting an adjusting switch of the zoom camera module 100, and setting a corresponding relation between the adjusting switch and the adjusting degree of the electromagnetic extrusion block 13 to the extrusion deformation of the adjusting lens 12;
s300: detecting a change in the adjustment switch;
s400: and adjusting the extrusion deformation of the adjusting lens 12 according to the change of the adjusting switch and the corresponding relation between the adjusting switch and the adjusting degree of the extrusion deformation of the adjusting lens 12 by the electromagnetic extrusion block 13, so as to adjust the focal length of the zoom camera module 100.
The use method of the zoom camera module 100 of the present invention realizes the focal length adjustment of the zoom camera module 100 by setting an adjusting switch for controlling the electromagnetic extrusion block 13 to extrude and deform the adjusting lens 12 in the zoom camera module 100. The adjusting switch is connected with the adjusting degree of the extrusion deformation of the adjusting lens 12 by the electromagnetic extrusion block 13, a corresponding relation is set, the adjusting degree of the extrusion deformation of the adjusting lens 12 by the electromagnetic extrusion block 13 is controlled by controlling the adjusting switch, the extrusion deformation of the adjusting lens 12 is adjusted, and therefore the focal length of the zoom camera module 100 is adjusted.
It can be understood that the adjustment switch may be designed as an entity switch, a touch switch or only some specific gestures on the smart phone, and the adjustment switch may be various forms such as an entity switch, an entity button, an entity key, an entity rotation key, etc. existing or newly established on the smart phone, or various forms such as a touch switch, a touch key, etc. in a corresponding application program on the smart phone, or gestures such as long-press up-down sliding, long-press left-right sliding, etc. on a screen of the smart phone, and the specific form of the adjustment switch is not limited.
Referring to fig. 3, in a preferred embodiment, S200: the step of setting an adjusting switch of the zoom camera module 100, and setting a corresponding relationship between the adjusting switch and an adjusting degree of the extrusion deformation of the adjusting lens 12 by the electromagnetic extrusion block 13, includes:
s210: setting a corresponding relation between the driving current of the zoom camera module 100 and the adjustment degree of the extrusion deformation of the adjusting lens 12 by the electromagnetic extrusion block 13;
s220: and setting the corresponding relation between the adjusting switch and the driving current of the zoom camera module 100, so as to set the corresponding relation between the adjusting switch and the adjusting degree of the extrusion deformation of the adjusting lens 12 by the electromagnetic extrusion block 13.
The adjusting switch is linked with the adjusting degree of the electromagnetic extrusion block 13 to the extrusion deformation of the adjusting lens 12, and a corresponding relationship is set, specifically, the adjusting switch is linked with the driving current and/or driving voltage of the zoom camera module 100, and the driving current and/or driving voltage of the zoom camera module 100 controls the adjusting degree of the electromagnetic extrusion block 13 to the extrusion deformation of the adjusting lens 12, so that the adjusting switch is linked with the adjusting degree of the electromagnetic extrusion block 13 to the extrusion deformation of the adjusting lens 12.
Referring to fig. 4, in a preferred embodiment, the method of use further comprises the steps of:
setting a deformation threshold value in the zoom camera module 100;
detecting the extrusion deformation of the adjusting lens 12;
comparing the extrusion deformation of the adjusting lens 12 with the deformation threshold;
and when the extrusion deformation of the adjusting lens 12 exceeds the deformation threshold, stopping the adjustment of the extrusion deformation of the adjusting lens 12 by the electromagnetic extrusion block 13.
In order to prevent the electromagnetic extrusion block 13 from extruding the adjusting lens 12 beyond a certain limit, so as to cause the adjusting lens 12 and the zoom camera module 100 to be damaged, a deformation threshold value is set in the zoom camera module 100, when the extrusion of the electromagnetic extrusion block 13 on the adjusting lens 12 causes the extrusion deformation of the adjusting lens 12 beyond the deformation threshold value, the adjustment of the extrusion deformation of the adjusting lens 12 by the electromagnetic extrusion block 13 is stopped, the extrusion of the adjusting lens 12 by the electromagnetic extrusion block 13 is restored to a reasonable limit and is maintained within the reasonable limit, the extrusion of the adjusting lens 12 by the electromagnetic extrusion block 13 can also be stopped, and the pressure of the adjusting lens 12 by the electromagnetic extrusion block 13 is released.
Referring to fig. 5, in a preferred embodiment, the method of use further comprises the steps of:
setting a first time threshold in the zoom camera module 100;
detecting the cumulative time for opening the zoom camera module 100;
comparing the cumulative time for opening the zoom camera module 100 with the first time threshold;
and when the cumulative time for opening the zoom camera module 100 exceeds the first time threshold, closing the zoom camera module 100.
The use method provided by the invention can set a judgment condition, and automatically close the zooming camera module 100 when the judgment condition is met, so as to save electric quantity and be beneficial to prolonging the endurance time of the smart phone. For example, the determination condition may be designed to be a certain time, for example, the first time threshold may be 2min, and when it is detected that the time that the zoom camera module 100 has been turned on exceeds 2min, the zoom camera module 100 is automatically turned off; or, the judgment condition may be designed to be that the smartphone is in a screen-off state, and when it is detected that the smartphone automatically turns off the screen or manually locks the screen, the zoom camera module 100 is automatically closed. On this basis, the determination condition can be turned on or off in the smartphone.
Referring to fig. 6, in a preferred embodiment, the method of use further comprises the steps of:
setting a second time threshold in the zoom camera module 100;
detecting the extrusion time of the electromagnetic extrusion block 13 for extruding and deforming the adjusting lens 12 after the zoom camera module 100 is started;
comparing the extrusion time of the electromagnetic extrusion block 13 for extruding and deforming the adjusting lens 12 with the second time threshold;
and when the extrusion time of the electromagnetic extrusion block 13 for extruding the adjusting lens 12 exceeds the second time threshold, stopping the extrusion of the electromagnetic extrusion block 13 for the adjusting lens 12.
In the using method provided by the invention, in order to prevent the damage of the adjusting lens 12 and the zoom camera module 100 caused by the extrusion of the electromagnetic extrusion block 13 on the adjusting lens 12 exceeding a certain time, a second time threshold value is set in the zoom camera module 100, when the extrusion deformation time of the adjusting lens 12 caused by the extrusion of the electromagnetic extrusion block 13 on the adjusting lens 12 exceeds the second time threshold value, the adjustment of the extrusion deformation of the adjusting lens 12 by the electromagnetic extrusion block 13 is stopped, the extrusion of the adjusting lens 12 by the electromagnetic extrusion block 13 is recovered to a reasonable limit and is maintained within the reasonable limit, the extrusion of the adjusting lens 12 by the electromagnetic extrusion block 13 can also be stopped, and the pressure of the adjusting lens 12 by the electromagnetic extrusion block 13 is released.
It should be noted that the embodiments of the present invention have been described in terms of preferred embodiments, and not by way of limitation, and that those skilled in the art can make modifications and variations of the embodiments described above without departing from the spirit of the invention.
Claims (10)
- A zoom camera module of an intelligent terminal is characterized in that,the zoom camera module comprises: a fixed focus lens, an adjusting lens and an electromagnetic extrusion block;the adjusting lens is arranged on two sides of the fixed-focus lens and can be extruded and deformed under the extrusion of the electromagnetic extrusion block;the electromagnetic extrusion block is arranged between the fixed-focus lens and the adjusting lens and used for extruding the adjusting lens and adjusting the extrusion deformation of the adjusting lens, so that the focal length of the zooming camera module is adjusted.
- The zoom camera module of claim 1,the thickness of the adjusting lens is smaller than that of the fixed-focus lens.
- The zoom camera module of claim 1,the electromagnetic extrusion blocks are uniformly arranged between the fixed-focus lens and the adjusting lens.
- The zoom camera module of claim 1,an accommodating space is formed between the fixed-focus lens and the adjusting lens, and the accommodating space accommodates the electromagnetic extrusion block.
- The zoom camera module of claim 4,the number of the electromagnetic extrusion blocks is four;and the four end points of the fixed-focus lens corresponding to the adjusting lens are respectively provided with an accommodating space, and the accommodating spaces accommodate the electromagnetic extrusion blocks.
- A method of using a zoom camera module according to claim 1,the using method comprises the following steps:starting a zooming camera module of the intelligent terminal;setting an adjusting switch of the zooming camera module, and setting a corresponding relation between the adjusting switch and the adjusting degree of the extrusion deformation of the adjusting lens by the electromagnetic extrusion block;detecting a change in the adjustment switch;and adjusting the extrusion deformation of the adjusting lens according to the change of the adjusting switch and the corresponding relation between the adjusting switch and the adjusting degree of the extrusion deformation of the adjusting lens by the electromagnetic extrusion block, so as to adjust the focal length of the zooming camera module.
- The method of using a zoom camera module of claim 6,setting an adjusting switch of the zooming camera module, wherein the step of setting the corresponding relation between the adjusting switch and the adjusting degree of the extrusion deformation of the adjusting lens by the electromagnetic extrusion block comprises the following steps:setting a corresponding relation between the driving current of the zooming camera module and the adjusting degree of the extrusion deformation of the adjusting lens by the electromagnetic extrusion block;and setting the corresponding relation between the adjusting switch and the driving current of the zooming camera module, thereby setting the corresponding relation between the adjusting switch and the adjusting degree of the extrusion deformation of the adjusting lens by the electromagnetic extrusion block.
- The method of using a zoom camera module of claim 6,the use method further comprises the following steps:setting a deformation threshold value in the zooming camera module;detecting the extrusion deformation of the adjusting lens;comparing the extrusion deformation of the adjusting lens with the deformation threshold value;and when the extrusion deformation of the adjusting lens exceeds the deformation threshold value, stopping the adjustment of the extrusion deformation of the adjusting lens by the electromagnetic extrusion block.
- The method of using a zoom camera module of claim 6,the use method further comprises the following steps:setting a first time threshold in the zoom camera module;detecting the cumulative time for opening the zoom camera module;comparing the cumulative time for opening the zoom camera module with the first time threshold;and when the accumulated time for opening the zooming camera module exceeds the first time threshold, closing the zooming camera module.
- The method of using a zoom camera module of claim 6,the use method further comprises the following steps:setting a second time threshold in the zoom camera module;detecting the extrusion time of the electromagnetic extrusion block for extruding and deforming the adjusting lens after the zoom camera module is started;comparing the extrusion time of the electromagnetic extrusion block for extruding and deforming the adjusting lens with the second time threshold;and when the extrusion time of the electromagnetic extrusion block for extruding and deforming the adjusting lens exceeds the second time threshold, stopping the extrusion of the electromagnetic extrusion block for the adjusting lens.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2017/105748 WO2019071478A1 (en) | 2017-10-11 | 2017-10-11 | Smart terminal zoom camera module and usage method therefor |
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| Publication Number | Publication Date |
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| CN111213360A true CN111213360A (en) | 2020-05-29 |
| CN111213360B CN111213360B (en) | 2022-03-15 |
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| CN201780095913.8A Active CN111213360B (en) | 2017-10-11 | 2017-10-11 | Zooming camera module of intelligent terminal and use method thereof |
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| CN (1) | CN111213360B (en) |
| WO (1) | WO2019071478A1 (en) |
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| CN214623168U (en) * | 2021-01-09 | 2021-11-05 | 广东小天才科技有限公司 | External hanging microscope and intelligent terminal |
| CN214335353U (en) * | 2021-01-09 | 2021-10-01 | 广东小天才科技有限公司 | External hanging microscope and intelligent terminal |
| CN115166963B (en) * | 2021-04-02 | 2024-10-29 | 宁波舜宇光电信息有限公司 | Variable-focus optical device, lens and camera module |
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| WO2019071478A1 (en) | 2019-04-18 |
| CN111213360B (en) | 2022-03-15 |
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