CN209845031U - Mobile communication equipment with microscopic imaging function - Google Patents
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Abstract
The utility model discloses a mobile communication equipment with microcosmic imaging function, wherein: the mobile communication device comprises a shell of the mobile communication device and a microscopic camera arranged on the shell; the microscopic camera comprises a lens positioned in front, an area array photoelectric detector positioned in rear and a focusing structure; the relationship between a pair of conjugate object planes and an image plane determined by the lens is as follows: the image plane is positioned on a photosensitive surface of the area array photoelectric detector, and the distance between the object plane and the front surface of the lens is not more than 30 cm; the lens comprises a lens group consisting of more than one lens, and the focusing structure is used for changing the position of one or more lenses in the lens so as to change the distance between an object plane conjugated with an image plane on the photosensitive surface of the area array photoelectric detector and the front surface of the lens. The utility model discloses an image quality is superior to the microcosmic formation of image that carries out the range increase realization on ordinary camera commonly used on the mobile communication equipment, can approach to or reach the level of professional microcosmic imaging device.
Description
Technical Field
The utility model belongs to the microcosmic imaging field, concretely relates to mobile communication equipment with microcosmic imaging function.
Background
The microscope can observe the microstructure so that a person can observe the structure which cannot be directly observed by naked eyes. The conventional microscope is composed of an objective lens and an ocular lens, and is used for magnifying a microstructure and displaying the microstructure at a photopic distance of a human eye. The digital microscope uses the area array photoelectric detector to replace human eyes for detection, can record images into digital image files, and brings convenience for signal acquisition. The microscope is typically large in size, most commonly in the form of a bench-top microscope that rests on a table top.
The portability of the miniature portable digital microscope, the mobile phone microscope used by the matched mobile phone and the macro lens used by the matched camera compared with the traditional microscope is improved to some extent, but still lacks to some extent, and the main performance is as follows:
1. portability is insufficient, but the volume is significantly reduced compared to a conventional microscope, but still occupies extra volume;
2. the imaging quality is not enough, the professional microscope can reach the resolution of 1 micron and submicron level, the imaging resolution of the portable microscopic imaging product is usually more than 1 micron, and the object space sampling rate of the portable microscopic imaging product is usually more than 1 micron after the portable microscopic imaging product is detected by the area array photoelectric detector.
Mobile communication equipment represented by a mobile phone becomes a necessity for everyone in the modern society, the imaging effect of a camera is higher and higher, the imaging modes are more and more, and a long-focus camera with a telescopic function and a macro camera with a certain microscopic imaging function are available at present. The integrated microcosmic imaging function on mobile communication equipment can promote the functional type of mobile communication equipment on the one hand, and on the other hand provides convenience for the specific user who needs the microcosmic imaging function, and these users can realize microcosmic imaging under the condition that do not need additionally to carry equipment. However, the existing mobile communication device with the microscopic imaging function has a relatively limited microscopic imaging effect, which is represented as follows:
1. the aberration is great, and to current mobile communication equipment that has the microcosmic imaging function, its microcosmic formation of image is realized by the camera that possesses the microspur function, and its implementation mode is the focusing range that increases its camera for it can focus to closely department, realizes the formation of image to closely the object, and after the area array photoelectric detector of high pixel gathered, can gather and compare the more microcosmic structure of traditional camera. However, the camera is not specially designed for microscopic imaging, and common daily photographing is also required, so that when the camera is focused to a near place, extra aberration is inevitably generated, and the imaging quality is influenced.
2. The numerical aperture is small, as mentioned above, the microscopic imaging function of the existing mobile communication device is realized by focusing the camera to a close place, but the nearest distance is still more than 1 cm, and is limited by the requirements of lightness, thinness, portability and the like, the entrance pupil diameter of the camera cannot be very large, usually at the level of several millimeters, so that the equivalent numerical aperture is usually less than 0.1, the imaging limit resolution is determined by the numerical aperture according to the abbe imaging theory, even if the aberration factor is not considered, the limit resolution is still insufficient, and the requirement of daily close-distance photographing can only be met, and the professional microscopic imaging requirement cannot be met.
SUMMERY OF THE UTILITY MODEL
At least one in defect or improvement demand more than prior art, the utility model provides a mobile communication equipment with microcosmic imaging function, microcosmic camera are designed for the conjugate object image face when imaging closely, and the formation of image quality is superior to the microcosmic formation of image that carries out the distance increase realization on ordinary camera commonly used on mobile communication equipment, can approach to or reach the level of professional microcosmic imaging equipment.
To achieve the above object, according to one aspect of the present invention, there is provided a mobile communication device having a microscopic imaging function, wherein: the mobile communication device comprises a shell of the mobile communication device and a microscopic camera arranged on the shell;
the microscopic camera comprises a lens positioned in front, an area array photoelectric detector positioned in rear and a focusing structure;
the relationship between a pair of conjugate object planes and an image plane determined by the lens is as follows: the image plane is positioned on a photosensitive surface of the area array photoelectric detector, and the distance between the object plane and the front surface of the lens is not more than 30 cm;
the lens comprises a lens group consisting of more than one lens, and the focusing structure is used for changing the position of one or more lenses in the lens so as to change the distance between an object plane conjugated with an image plane on the photosensitive surface of the area array photoelectric detector and the front surface of the lens.
Preferably, the lens of the microscopic camera comprises a front lens and a rear lens;
the focusing structure is used for changing the position of the front lens, after the position of the front lens is changed, the position of an object plane conjugated with a photosensitive surface of the area array photoelectric detector correspondingly changes, and the position change relationship between the front lens and the corresponding object plane is as follows: when the front lens moves forward, the object plane also moves forward, and when the front lens moves backward, the object plane also moves backward.
Preferably, the lens of the microscopic camera comprises a front lens and a rear lens;
the focusing structure is used for changing the position of the rear lens, after the position of the rear lens is changed, the position of an object plane conjugated with the photosensitive surface of the area array photoelectric detector correspondingly changes, and the position change relationship between the rear lens and the corresponding object plane is as follows: when the rear lens moves forward, the object plane moves backward, and when the rear lens moves backward, the object plane moves forward.
Preferably, the lens of the microscopic camera is a single lens or a lens group composed of a plurality of lenses;
the focusing structure is used for changing the position of the single lens or the position of the lens group as a whole, after the position of the lens is changed, the position of an object plane conjugated with the photosensitive surface of the area array photoelectric detector correspondingly changes, and the position change relationship between the lens and the corresponding object plane is as follows: when the lens moves forward, the object plane moves backward, and when the lens moves backward, the object plane moves forward.
Preferably, the microscopic camera further comprises an illuminator, and the illuminator is positioned at the position close to the front end of the microscopic camera;
the illuminator comprises a light source which is a single luminous monomer and is arranged on the side surface of the lens; or the light source comprises a plurality of light-emitting monomers which surround the lens.
Preferably, the light emitting monomer is an LED or an LD.
Preferably, the illuminator further comprises a light guide ring which is positioned in front of the light source, and the light guide ring is annular and surrounds the lens of the microscopic camera.
Preferably, the inner wall of the light guide ring comprises a chamfer or a fillet expanding from inside to outside.
Preferably, the area array photodetector uses an area array CCD detector or an area array CMOS detector.
Preferably, the focus adjustment mechanism is driven by a voice coil motor.
The above-described preferred features may be combined with each other as long as they do not conflict with each other.
Generally, through the utility model discloses above technical scheme who conceives compares with prior art, has following beneficial effect:
1. the utility model discloses a mobile communication equipment with microcosmic imaging function, the microcosmic camera is designed for the conjugate image face when imaging closely, and the formation of image quality is superior to the microcosmic formation of image that carries out the distance increase realization on ordinary camera commonly used on mobile communication equipment, can approach to or reach the level of professional microcosmic imaging equipment.
2. The utility model discloses a mobile communication equipment with microcosmic imaging function through with microcosmic imaging function integrated to mobile communication equipment on, and mobile communication equipment is that everybody is personal must take to bring very big facility for the user that needs use microcosmic imaging function.
3. The utility model discloses a mobile communication equipment with microcosmic imaging function, because microcosmic camera focus the scope and keeping away from in the 30 centimetres scope of camera lens front surface, there is short working distance, works as when the clear aperture of camera lens is corresponding with conventional camera lens, according to triangle-shaped relation easy getting, this camera lens has bigger numerical aperture to can acquire more light incident volumes. Further, can obtain according to the optical imaging theory, when numerical aperture is bigger, microcosmic camera can obtain higher limit resolution.
4. The utility model discloses a mobile communication equipment with microcosmic imaging function, because the camera lens is for closely forming images specially, consequently compares conventional equipment, the utility model discloses the aberration under the microcosmic imaging situation is littleer, has higher resolution ratio to microcosmic imaging.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 is a rear view of the present invention;
fig. 3 is a first schematic structural view of the micro-camera of the present invention;
fig. 4 is a second schematic structural view of the micro camera of the present invention;
fig. 5a is a schematic view of a first embodiment of the microscopic camera of the present invention;
FIG. 5b is a schematic diagram showing the change in position of the object plane conjugate to the photosensitive surface of the area array photodetector when the front lens moves backward in FIG. 5 a;
FIG. 5c is a schematic diagram showing the change in position of the object plane conjugate to the photosensitive surface of the area array photodetector when the front lens in FIG. 5a is moved forward;
fig. 6a is a schematic view of a second embodiment of the micro-camera of the present invention;
FIG. 6b is a schematic diagram showing the change in position of the object plane conjugate to the photosensitive surface of the area array photodetector when the rear lens in FIG. 6a is moved forward;
FIG. 6c is a schematic diagram showing the change in position of the object plane conjugate to the photosensitive surface of the area array photodetector when the rear lens in FIG. 6a is moved backward;
fig. 7a is a schematic view of a third embodiment of the microscopic camera of the present invention;
FIG. 7b is a schematic diagram showing the change in position of the object plane conjugate to the photosensitive surface of the area array photodetector when the lens moves forward as a whole in FIG. 7 a;
FIG. 7c is a schematic diagram showing the change in position of the object plane conjugate to the photosensitive surface of the area array photodetector as the lens moves backward as a whole in FIG. 7 a;
fig. 8a is a schematic view of a first embodiment of the luminaire of the present invention;
fig. 8b is a schematic view of a second embodiment of the luminaire of the present invention;
fig. 9a is a schematic view of a first embodiment of the light guide ring of the present invention;
fig. 9b is a schematic view of a second embodiment of the light guiding ring according to the present invention;
fig. 10a is a schematic view of a first embodiment of the light source of the present invention;
fig. 10b is a schematic view of a second embodiment of the light source of the present invention;
fig. 10c is a schematic view of a third embodiment of the light source of the present invention;
fig. 10d is a schematic view of a fourth embodiment of the light source of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. Furthermore, the technical features mentioned in the embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other. The present invention will be described in further detail with reference to the following embodiments.
As a preferred embodiment of the present invention, as shown in fig. 1-10, the present invention provides a mobile communication device with a micro-imaging function, which comprises a housing 1 and a screen 2 located on the front surface of the housing, as shown in fig. 1; still including being located the conventional module of mobile communication equipment such as the inside mainboard of shell, treater, communication module, antenna, battery for realize the utility model discloses a mobile communication function is similar with conventional mobile communication equipment, no longer gives unnecessary details. Such as, but not limited to, a cellular phone.
And a microscopic camera 3 mounted on the housing 1. The microscopic camera 3 is preferably located on the back of the housing as shown in fig. 2. But the microscopic camera 3 may also be located at the front side of the housing.
The micro camera 3 includes a lens 31 at the front and an area array photodetector 32 at the rear, as shown in fig. 3. The area-array photodetector 32 uses a Charge-coupled Device (CCD) detector or a Complementary Metal Oxide Semiconductor (CMOS) detector. In the working state of the microscopic camera 3, the relationship between a pair of conjugate object planes and the image plane determined by the lens 31 is: the image plane is located on a photosensitive surface of the area array photoelectric detector 32, the distance from the object plane to the front surface of the lens 31 (the front and the back of the lens are defined as that the back is the side of the area array photoelectric detector opposite to the lens, and the front is the other side opposite to the back) is not more than 30cm, namely the lens 3 is special for short-distance imaging. To achieve this function, the lens 31 is also optimized for an object distance in the range described above in terms of optical design. After optimization, the relationship between the clear apertures of the front surface and the rear surface of the lens 31 is that the difference between the clear apertures of the front surface and the rear surface is within five times. After optimization, when the lens 31 images the object plane in the object distance range, the full width at half maximum of the point spread function on the image plane (i.e. the photosensitive plane of the area array photodetector 32) is not greater than the full width at half maximum of the point spread function of the lens 31 when the object plane in the object distance range is beyond the full width at half maximum of the point spread function. I.e. the lens 31 has a better quality of the image point spread function within the object distance range than outside the object distance range. The optimization method of camera lens 31 is, when using computer-aided optics design, its object distance value sets up in the object distance within range, then utilizes the iterative algorithm of computer to optimize, and its specific optimization method is optical design field common general knowledge, the utility model discloses no longer describe repeatedly. Because the camera lens 31 is closely imaging optimization, consequently has higher resolution ratio to the microcosmic formation of image.
The microscopic camera 3 further comprises a focusing structure 33, as shown in fig. 4. The lens 31 includes a lens assembly composed of more than one lens, and the focusing structure 33 is used for changing the position of one or more lenses in the lens 31, so as to change the distance between the object plane conjugate with the image plane on the photosensitive surface of the area array photodetector 32 and the front surface of the lens. Preferably, the focusing mechanism 33 is driven by a voice coil motor. Throughout the present disclosure, the lens assembly includes a single lens, a cemented lens formed by a plurality of lenses, and a plurality of separated single lenses or cemented lenses.
First embodiment of the microscopic camera 3 as shown in fig. 5a, the lens 31 of the microscopic camera 3 comprises a front lens 311 and a rear lens 312; the focusing structure 33 is configured to change a position of the front lens 311, and after the position of the front lens 311 is changed, a position of an object plane conjugate to a photosensitive surface of the area array photodetector 32 changes correspondingly, where a positional change relationship between the front lens 311 and the corresponding object plane is: when the front lens 311 moves forward, the object plane also moves forward, and when the front lens 311 moves backward, the object plane also moves backward, as shown in fig. 5b and 5 c.
Second embodiment of the microscopic camera 3 as shown in fig. 6a, the lens 31 of the microscopic camera 3 comprises a front lens 311 and a rear lens 312; the focusing structure 33 is configured to change a position of the rear lens 312, and after the position of the rear lens 312 is changed, a position of an object plane conjugate to a photosensitive plane of the area array photodetector 32 changes correspondingly, and a positional change relationship between the rear lens 312 and the corresponding object plane is as follows: when the rear lens 312 moves forward, the object plane moves backward, and when the rear lens 312 moves backward, the object plane moves forward, as shown in fig. 6b and 6 c.
In a third embodiment of the micro camera 3, as shown in fig. 7a, the lens 31 of the micro camera 3 is a single lens or a lens group consisting of a plurality of lenses; the focusing structure 33 is used to change the position of the single lens or the position of the lens assembly as a whole, and after the position of the lens 31 is changed, the position of the object plane conjugated with the photosensitive surface of the area array photodetector 32 changes correspondingly, and the position change relationship between the lens 31 and the corresponding object plane is as follows: when the lens 31 is moved forward, the object plane is moved backward, and when the lens 31 is moved backward, the object plane is moved forward, as shown in fig. 7b and 7 c.
As shown in fig. 4, the microscopic camera 3 further includes an illuminator 34, and the illuminator 34 is located at a position close to the front end of the microscopic camera 3.
As shown in fig. 8a and 8b, the illuminator 34 includes a light source 342, and the light source 342 is a single light-emitting unit disposed at a side of the lens 31, as shown in fig. 10 a; alternatively, the light source 342 includes a plurality of light-emitting units surrounding the lens 31, and the number and distribution of the light-emitting units are different as shown in fig. 10b, 10c, and 10 d.
Preferably, the Light Emitting unit is an LED (Light Emitting Diode), an LD (Laser Diode), or other small-volume Light source.
As shown in fig. 8a, the illuminator 34 further includes a light guiding ring 341 in front of the light source 342, and the light guiding ring is made of transparent or translucent material and can guide the light emitted from the light source 342 to more uniformly irradiate the front of the micro-camera 3. The light guide ring 341 is annular and surrounds the lens 31 of the micro camera 3. The position relationship between the light source 342 and the light guiding ring 341 is shown in fig. 10a-d, and the dashed line in fig. 10a-d represents the light guiding ring 341. An embodiment of the luminaire that does not comprise a light guiding ring is shown in fig. 8 b.
As shown in fig. 9b, the inner wall of the light guiding ring 341 includes a chamfer or fillet expanding from the inside to the outside. An embodiment of a light guiding ring that passes through the inner wall is shown in fig. 9 a.
Generally, the utility model discloses following beneficial effect has:
1. the utility model discloses a mobile communication equipment with microcosmic imaging function, the microcosmic camera is designed for the conjugate image face when imaging closely, and the formation of image quality is superior to the microcosmic formation of image that carries out the distance increase realization on ordinary camera commonly used on mobile communication equipment, can approach to or reach the level of professional microcosmic imaging equipment.
2. The utility model discloses a mobile communication equipment with microcosmic imaging function through with microcosmic imaging function integrated to mobile communication equipment on, and mobile communication equipment is that everybody is personal must take to bring very big facility for the user that needs use microcosmic imaging function.
3. The utility model discloses a mobile communication equipment with microcosmic imaging function, because microcosmic camera focus the scope and keeping away from in the 30 centimetres scope of camera lens front surface, there is short working distance, works as when the clear aperture of camera lens is corresponding with conventional camera lens, according to triangle-shaped relation easy getting, this camera lens has bigger numerical aperture to can acquire more light incident volumes. Further, can obtain according to the optical imaging theory, when numerical aperture is bigger, microcosmic camera can obtain higher limit resolution.
4. The utility model discloses a mobile communication equipment with microcosmic imaging function, because the camera lens is for closely forming images specially, consequently compares conventional equipment, the utility model discloses the aberration under the microcosmic imaging situation is littleer, has higher resolution ratio to microcosmic imaging.
It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A mobile communication device having a microscopic imaging function, characterized in that: the mobile communication equipment comprises a shell (1) of mobile communication equipment and a microscopic camera (3) arranged on the shell (1);
the microscopic camera (3) comprises a lens (31) positioned in front, an area array photoelectric detector (32) positioned in back and a focusing structure (33);
the relationship between a pair of conjugate object planes and the image plane determined by the lens (31) is as follows: the image plane is positioned on a photosensitive surface of the area array photoelectric detector (32), and the distance between the object plane and the front surface of the lens (31) is not more than 30 cm;
the lens (31) comprises a lens group consisting of more than one lens, and the focusing structure (33) is used for changing the positions of one or more lenses in the lens (31) so as to change the distance between an object plane conjugate with an image plane on the photosensitive surface of the area array photoelectric detector (32) and the front surface of the lens.
2. The mobile communication device with microscopic imaging function according to claim 1, wherein:
the lens (31) of the microscopic camera (3) comprises a front lens (311) and a rear lens (312);
the focusing structure (33) is used for changing the position of the front lens (311), after the position of the front lens (311) is changed, the position of an object plane conjugated with the photosensitive surface of the area array photoelectric detector (32) correspondingly changes, and the position change relationship between the front lens (311) and the corresponding object plane is as follows: when the front lens (311) moves forward, the object plane also moves forward, and when the front lens (311) moves backward, the object plane also moves backward.
3. The mobile communication device with microscopic imaging function according to claim 1, wherein:
the lens (31) of the microscopic camera (3) comprises a front lens (311) and a rear lens (312);
the focusing structure (33) is used for changing the position of the rear lens (312), after the position of the rear lens (312) is changed, the position of an object plane conjugated with the photosensitive surface of the area array photoelectric detector (32) correspondingly changes, and the position change relationship between the rear lens (312) and the corresponding object plane is as follows: when the rear lens (312) moves forward, the object plane moves backward, and when the rear lens (312) moves backward, the object plane moves forward.
4. The mobile communication device with microscopic imaging function according to claim 1, wherein:
the lens (31) of the microscopic camera (3) is a single lens or a lens group consisting of a plurality of lenses;
the focusing structure (33) is used for changing the position of the single lens or the position of the lens group as a whole, after the position of the lens (31) is changed, the position of an object plane conjugated with the photosensitive surface of the area array photoelectric detector (32) correspondingly changes, and the position change relationship between the lens (31) and the corresponding object plane is as follows: when the lens (31) moves forward, the object plane moves backward, and when the lens (31) moves backward, the object plane moves forward.
5. The mobile communication device with microscopic imaging function according to claim 1, wherein:
the microscopic camera (3) further comprises an illuminator (34), and the illuminator (34) is positioned at the position close to the front end of the microscopic camera (3);
the illuminator (34) comprises a light source (342), wherein the light source (342) is a single luminous monomer and is arranged on the side surface of the lens (31); or the light source (342) comprises a plurality of luminous monomers which surround the lens (31).
6. The mobile communication device with microscopic imaging function according to claim 5, wherein:
the light-emitting monomer is an LED or an LD.
7. The mobile communication device with microscopic imaging function according to claim 5, wherein:
the illuminator (34) further comprises a light guide ring (341) positioned in front of the light source (342), wherein the light guide ring (341) is annular and surrounds the lens (31) of the microscopic camera (3).
8. The mobile communication device with microscopic imaging function according to claim 7, wherein:
the inner wall of the light guide ring (341) comprises a chamfer or a fillet expanding from inside to outside.
9. The mobile communication device with microscopic imaging function according to claim 1, wherein:
the area array photoelectric detector (32) uses an area array CCD detector or an area array CMOS detector.
10. The mobile communication device with microscopic imaging function according to claim 1, wherein:
the focus adjustment structure (33) is driven by a voice coil motor.
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| CN201921033541.9U CN209845031U (en) | 2019-07-03 | 2019-07-03 | Mobile communication equipment with microscopic imaging function |
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| CN110351405A (en) * | 2019-07-03 | 2019-10-18 | 肯维捷斯（武汉）科技有限公司 | A kind of mobile communication equipment with microcosmic imaging function |
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| CN110351405A (en) * | 2019-07-03 | 2019-10-18 | 肯维捷斯（武汉）科技有限公司 | A kind of mobile communication equipment with microcosmic imaging function |
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Address after: Room 01, 21st Floor, Building 1, Huigu Space, No. 206 Laowuhuang Road, Guandong Street, Wuhan Donghu New Technology Development Zone, Wuhan City, Hubei Province, 430070 Patentee after: Xiaophoton (Wuhan) Technology Co.,Ltd. Address before: 430074 Hubei Province, Wuhan city Hongshan District Luoyu Road No. 1037 Patentee before: CONVERGENCE TECHNOLOGY Co.,Ltd. |