CN107302665B - Camera device, aperture adjusting method and electronic equipment - Google Patents
Camera device, aperture adjusting method and electronic equipment Download PDFInfo
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- CN107302665B CN107302665B CN201710714253.9A CN201710714253A CN107302665B CN 107302665 B CN107302665 B CN 107302665B CN 201710714253 A CN201710714253 A CN 201710714253A CN 107302665 B CN107302665 B CN 107302665B
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- aperture
- electric control
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- diaphragm
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/70—Circuitry for compensating brightness variation in the scene
- H04N23/73—Circuitry for compensating brightness variation in the scene by influencing the exposure time
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
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- Exposure Control For Cameras (AREA)
- Diaphragms For Cameras (AREA)
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Abstract
The invention provides an image pickup apparatus, an aperture adjusting method and an electronic device, wherein the image pickup apparatus includes: the aperture assembly comprises a plurality of electric control films, and the electric control films are sequentially overlapped according to aperture values of the electric control films; and the voltage control unit is electrically connected with each electric control film and applies corresponding voltage signals to each electric control film according to the received diaphragm adjusting signals so that the diaphragm assembly forms a diaphragm corresponding to the diaphragm adjusting signals. The invention has simple structure and can improve the shooting quality.
Description
Technical Field
The embodiment of the invention relates to the field of electronic equipment, in particular to a camera device, an aperture adjusting method and electronic equipment.
Background
In the existing camera device, the aperture value of the camera device needs to be adjusted at a low value due to different use requirements of users. For example, the large-aperture lens has the advantages of good night scene shooting quality and background blurring shooting effect obtained by shallow depth of field; the small-aperture lens has the advantages of small system aberration, good image sharpness and large depth of field, and can obtain a panoramic clear shooting effect. The existing iris diaphragms for adjusting the size of the diaphragm are all mechanical blade structures, and the structures are large in size, occupy space of equipment and are difficult to apply to thinner and thinner electronic equipment.
Disclosure of Invention
The embodiment of the invention provides a small-size camera device, an aperture adjusting method and electronic equipment, wherein the camera device is more convenient for adjusting an aperture value.
An embodiment of the present invention provides an image pickup apparatus, including:
the aperture assembly comprises a plurality of electric control films, and the electric control films are sequentially overlapped according to aperture values of the electric control films;
and the voltage control unit is electrically connected with each electric control film and applies corresponding voltage signals to each electric control film according to the received diaphragm adjusting signals so that the diaphragm assembly forms a diaphragm corresponding to the diaphragm adjusting signals.
As a preferred embodiment, among others, it further includes: a signal generating section configured to generate the aperture adjustment signal according to at least one of an exposure rate, a focal length, and an exposure time of the image pickup device.
As a preferred embodiment, wherein the signal generating section further generates the aperture adjustment signal according to an input instruction of a user.
As a preferred embodiment, the voltage control unit determines the currently required aperture value according to the aperture adjustment signal, and determines the electric control films to which the voltage signal needs to be applied according to the prestored aperture values of the electric control films.
As a preferred embodiment, wherein the electrically controllable film is configured in a circular shape.
In addition, an embodiment of the present invention further provides a diaphragm adjusting method, which is applied to the image pickup apparatus according to the above embodiment, and includes:
receiving an aperture adjustment signal through a voltage control unit;
applying corresponding voltage signals to each electric control film in each diaphragm assembly according to the diaphragm adjusting signals so that the diaphragm assembly forms a diaphragm corresponding to the diaphragm adjusting signals;
the aperture assembly comprises a plurality of electric control films, and the electric control films are sequentially overlapped according to aperture values of the electric control films.
As a preferred embodiment, wherein the method further comprises:
and generating the aperture adjusting signal according to at least one of the exposure rate, the focal length and the exposure time of the image pickup device, and outputting the aperture adjusting signal to a voltage control unit.
As a preferred embodiment, wherein the method further comprises:
and generating the aperture adjusting signal according to an input instruction of a user, and outputting the aperture adjusting signal to a voltage control unit.
As a preferred embodiment, wherein the applying a corresponding voltage signal to each electrically controlled film in each aperture assembly according to the aperture adjustment signal comprises:
and the voltage control unit determines the current required aperture value according to the aperture adjusting signal and determines the electric control films needing to apply voltage signals according to the prestored aperture values of the electric control films.
In addition, the embodiment of the invention also provides electronic equipment which comprises the image pickup device in the embodiment.
Based on the disclosure of the above embodiments, the embodiments of the present invention have the following beneficial effects:
1. the aperture assembly provided by the embodiment of the invention can greatly reduce the size of the original mechanical iris diaphragm, so that the aperture assembly can be applied to light and thin electronic equipment, the photographing quality of the existing photographing device is improved, good night photographing and background blurring effects can be realized, the outdoor imaging quality is improved, and large-depth-of-field photographing is realized;
2. the circular diaphragm effect which cannot be realized by the vane type mechanical diaphragm is realized.
3. Light in weight, thickness are thin, can integrate other function module in the camera module.
Drawings
Fig. 1 is a schematic structural view of an image pickup apparatus in an embodiment of the present invention;
FIG. 2 is a schematic view of an embodiment of the present invention showing an electrically controlled film under pressure;
FIG. 3 is a schematic view of an embodiment of the present invention showing an electrically controlled film in a non-pressurized state;
fig. 4 is a schematic flow chart of a method for adjusting an aperture according to an embodiment of the present invention.
Detailed Description
The following detailed description of specific embodiments of the present invention is provided in connection with the accompanying drawings, which are not intended to limit the invention.
It will be understood that various modifications may be made to the embodiments disclosed herein. Accordingly, the foregoing description should not be construed as limiting, but merely as exemplifications of embodiments. Other modifications will occur to those skilled in the art within the scope and spirit of the disclosure.
The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the disclosure and, together with a general description of the disclosure given above, and the detailed description of the embodiments given below, serve to explain the principles of the disclosure.
These and other characteristics of the invention will become apparent from the following description of a preferred form of embodiment, given as a non-limiting example, with reference to the accompanying drawings.
It should also be understood that, although the invention has been described with reference to some specific examples, a person of skill in the art shall certainly be able to achieve many other equivalent forms of the invention, having the characteristics as set forth in the claims and hence all coming within the field of protection defined thereby.
The above and other aspects, features and advantages of the present disclosure will become more apparent in view of the following detailed description when taken in conjunction with the accompanying drawings.
Specific embodiments of the present disclosure are described hereinafter with reference to the accompanying drawings; however, it is to be understood that the disclosed embodiments are merely examples of the disclosure that may be embodied in various forms. Well-known and/or repeated functions and structures have not been described in detail so as not to obscure the present disclosure with unnecessary or unnecessary detail. Therefore, specific structural and functional details disclosed herein are not to be interpreted as limiting, but merely as a basis for the claims and as a representative basis for teaching one skilled in the art to variously employ the present disclosure in virtually any appropriately detailed structure.
The specification may use the phrases "in one embodiment," "in another embodiment," "in yet another embodiment," or "in other embodiments," which may each refer to one or more of the same or different embodiments in accordance with the disclosure.
Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings, and embodiments of the present invention provide an image pickup apparatus that does not need an iris diaphragm having a mechanical structure, and therefore does not need to be limited by the volume of the existing iris diaphragm, and can achieve the effect of different depths of field.
Specifically, as shown in fig. 1, a schematic structure diagram of an image capturing apparatus according to an embodiment of the present invention is shown, where the image capturing apparatus may include: an aperture assembly 1, a voltage control unit 2 and a camera assembly 3. The image capturing apparatus in the embodiment of the present invention may include a camera, a video camera, or an electronic device integrated with a function of capturing images or taking pictures, such as a mobile phone, a portable computer, and the like.
The aperture assembly 1 may include a plurality of electrically controlled films 11, and the electrically controlled films may be sequentially stacked according to aperture values thereof. The aperture value of the electrically controlled film refers to the diameter of the light-passing hole of the electrically controlled film 11. The electric control films 11 in the embodiment of the invention are circular, and all the electric control films 11 can be sequentially overlapped from large to small according to the caliber values of the electric control films. According to the embodiment of the invention, the plurality of superposed electric control films 11 replace the existing mechanical iris diaphragm, so that the occupied volume of the camera device can be reduced. In other embodiments, the electrically controlled film may have other shapes, and is not limited herein.
As shown in fig. 2 and 3, the schematic diagrams of the state change of the photoelectric film in the embodiment of the present invention are shown, wherein the photoelectric film in the aperture assembly 1 is in a transparent state when being pressurized (as shown in fig. 2) and in an opaque state when not being pressurized (as shown in fig. 3), so that the aperture value of the image capturing apparatus can be adjusted by pressurizing the corresponding photoelectric film. Specifically, the aperture value of each photoelectric film may be stored in the voltage control unit 2, and the number of layers (i.e., position information) where each photoelectric film is located may also be stored, so that the corresponding photoelectric film may be selectively pressurized to be transparent according to the required aperture value, and the non-pressurized photoelectric film is in an opaque state, thereby implementing the adjustment of the aperture value.
In the embodiment of the present invention, the voltage control unit 2 may be electrically connected to each of the electrically controlled films 11, and may respectively pressurize each of the electrically controlled films 11, thereby implementing a state change of each of the optoelectronic films 11. The voltage applied by the voltage control unit 2 to each power supply film may be 3.3V, 5V or 12V, and may be specifically determined according to the characteristics of the electrically controlled film. Generally, a larger aperture value is desirable, which means that the aperture size is smaller and less light enters the film. The smaller the required aperture value, the larger the aperture size, and the more light enters the film.
In the embodiment of the present invention, the voltage control unit 2 may apply a corresponding voltage signal to each of the electrically controlled films according to the received aperture adjustment signal, so that the aperture assembly 1 forms an aperture corresponding to the aperture adjustment signal. The voltage control unit 2 can perform the pressurizing operation of the diaphragm assembly 1 by the diaphragm adjustment signal sent from a signal generating section 4. In the embodiment of the present invention, the signal generating section 4 may generate the aperture adjustment signal according to at least one of the exposure rate, the focal length, and the exposure time set by the image pickup device. Meanwhile, the signal generating section 4 may also generate the aperture adjustment signal according to an input instruction of a user. The aperture adjustment signal may be a currently required aperture parameter value, and the voltage control unit 2 may apply a voltage to at least one of the electrically controlled films according to a selection corresponding to the aperture parameter value, so as to achieve the aperture parameter value.
That is, the signal generating section 4 may monitor parameters such as the exposure rate, the transaction, and the exposure time set in the imaging device in real time, and may receive an input command from the user, the input command may be transmitted by another electronic device, or may be an input command from the user by manually operating the imaging device by the user.
In addition, the photographing assembly 3 in the embodiment of the present invention may include components of the image pickup apparatus that perform an image pickup operation, such as a focusing module, a photographing module, and a display module, which may include necessary electronic devices for photographing an image. The image pickup module 3 may be connected to the signal generating unit 4 to transmit information on an aperture value required for performing image pickup to the signal generating unit 4, and the voltage control unit 2 may be controlled by the signal generating unit 4, or the image pickup module may be directly connected to the voltage control unit 2 to transmit a required aperture value thereto, so that the electronic control module 2 may directly adjust the pressing state of the corresponding photoelectric film according to the aperture value.
It should be noted that, in the embodiments of the present invention, the design of the diaphragm is improved, and other electronic devices for performing shooting of the image capturing apparatus can be implemented by using the prior art, which is not described herein again.
The aperture assembly provided by the embodiment of the invention can greatly reduce the size of the original mechanical iris diaphragm, so that the aperture assembly can be applied to light and thin electronic equipment, the photographing quality of the existing photographing device is improved, good night photographing and background blurring effects can be realized, the outdoor imaging quality is improved, and large-depth-of-field photographing is realized; the invention can also realize the circular diaphragm effect which cannot be realized by the blade type mechanical diaphragm, and has the characteristics of light weight and thin thickness, and other functional modules can be integrated in the camera module due to the reduction of the volume of the shooting device.
In addition, an embodiment of the present invention further provides a method for adjusting an aperture, which can be applied to the image capturing apparatus described in the above embodiment, as shown in fig. 4, which is a schematic flowchart of the method for adjusting an aperture in the embodiment of the present invention, and the method includes:
receiving an aperture adjustment signal through a voltage control unit;
applying corresponding voltage signals to each electric control film in each diaphragm assembly according to the diaphragm adjusting signals so that the diaphragm assembly forms a diaphragm corresponding to the diaphragm adjusting signals;
the aperture assembly comprises a plurality of electric control films, and the electric control films are sequentially overlapped according to aperture values of the electric control films.
The aperture assembly 1 may include a plurality of electrically controlled films 11, and the electrically controlled films may be sequentially stacked according to aperture values thereof. The aperture value of the electrically controlled film refers to the diameter of the light-passing hole of the electrically controlled film 11. The electric control films 11 in the embodiment of the invention are circular, and all the electric control films 11 can be sequentially overlapped from large to small according to the caliber values of the electric control films. According to the embodiment of the invention, the plurality of superposed electric control films 11 replace the existing mechanical iris diaphragm, so that the occupied volume of the camera device can be reduced. In other embodiments, the electrically controlled film may have other shapes, and is not limited herein.
The photoelectric film in the aperture assembly 1 in the embodiment of the present invention is in a transparent state when pressurized and in an opaque state when not pressurized, and therefore, the aperture value of the image pickup apparatus can be adjusted by pressurizing the corresponding photoelectric film.
In the embodiment of the present invention, the voltage control unit 2 may be electrically connected to each of the electrically controlled films 11, and may respectively pressurize each of the electrically controlled films 11, thereby implementing a state change of each of the optoelectronic films 11. The voltage applied by the voltage control unit 2 to each power supply film may be 3.3V, 5V or 12V, and may be specifically determined according to the characteristics of the electrically controlled film.
Further, in a preferred embodiment of the present invention, the method further comprises:
and generating the aperture adjusting signal according to at least one of the exposure rate, the focal length and the exposure time of the image pickup device, and outputting the aperture adjusting signal to a voltage control unit.
Further, in a preferred embodiment of the present invention, the method further comprises:
and generating the aperture adjusting signal according to an input instruction of a user, and outputting the aperture adjusting signal to a voltage control unit.
In an embodiment of the present invention, the applying a corresponding voltage signal to each of the electrically controlled films in each of the aperture assemblies according to the aperture adjustment signal includes:
and the voltage control unit determines the current required aperture value according to the aperture adjusting signal and determines the electric control films needing to apply voltage signals according to the prestored aperture values of the electric control films.
In the embodiment of the present invention, the voltage control unit 2 may apply a corresponding voltage signal to each of the electrically controlled films according to the received aperture adjustment signal, so that the aperture assembly 1 forms an aperture corresponding to the aperture adjustment signal. The voltage control unit 2 can perform the pressurizing operation of the diaphragm assembly 1 by the diaphragm adjustment signal sent from a signal generating section 4. In the embodiment of the present invention, the signal generating section 4 may generate the aperture adjustment signal according to at least one of the exposure rate, the focal length, and the exposure time set by the image pickup device. Meanwhile, the signal generating section 4 may also generate the aperture adjustment signal according to an input instruction of a user. The aperture adjustment signal may be a currently required aperture parameter value, and the voltage control unit 2 may apply a voltage to at least one of the electrically controlled films according to a selection corresponding to the aperture parameter value, so as to achieve the aperture parameter value.
That is, the signal generating section 4 may monitor parameters such as the exposure rate, the transaction, and the exposure time set in the imaging device in real time, and may receive an input command from the user, the input command may be transmitted by another electronic device, or may be an input command from the user by manually operating the imaging device by the user.
In addition, the photographing assembly 3 in the embodiment of the present invention may include components of the image pickup apparatus that perform an image pickup operation, such as a focusing module, a photographing module, and a display module, which may include necessary electronic devices for photographing an image. The embodiment of the invention improves the design of the diaphragm, and other electronic devices of the camera device for executing shooting can be realized by adopting the prior art, and are not described again here.
The aperture adjusting method provided by the embodiment of the invention can greatly reduce the size of the original mechanical iris diaphragm, so that the size can be applied to light and thin electronic equipment, the photographing quality of the existing photographing device is improved, good night photographing and background blurring effects can be realized, the outdoor imaging quality is improved, and large-depth-of-field photographing is realized; the invention can also realize the circular diaphragm effect which cannot be realized by the blade type mechanical diaphragm, and has the characteristics of light weight and thin thickness, and other functional modules can be integrated in the camera module due to the reduction of the volume of the shooting device.
In addition, the embodiment of the invention also provides electronic equipment which comprises the image pickup device in the embodiment. The electronic device may include a mobile phone, a portable computer, a PAD, and other electronic devices having a photographing or imaging function.
By arranging the electronic equipment
It can be clearly understood by those skilled in the art that, for convenience and brevity of description, the electronic device to which the data processing method described above is applied may refer to the corresponding description in the foregoing product embodiments, and details are not repeated herein.
The signal generating unit 4 of the image capturing apparatus may be connected to an input/output module of the electronic device, and receives a diaphragm adjustment signal for adjusting the diaphragm input by a user. The input/output module may include a touch display screen, a keyboard, a mouse, and the like. The user may adjust parameters such as exposure rate, focal length, exposure time, and the like of the photographing based on the input/output module, and the signal generation section may generate the aperture adjustment signal based on at least one of the parameters. Alternatively, the user may directly receive a desired aperture value through the input/output module, and the signal generation unit may generate one aperture adjustment signal based on the aperture value. So as to adjust the aperture value formed by the electric control film by using the camera device.
The electronic equipment in the embodiment of the invention not only has a smaller volume structure, but also can automatically set the required aperture value according to the requirement of a user, so that the user experience is better.
The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the scope of the present invention is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present invention, and such modifications and equivalents should also be considered as falling within the scope of the present invention.
Claims (10)
1. An image pickup apparatus, comprising:
the aperture assembly comprises a plurality of electric control films, wherein each electric control film is provided with a light through hole and is sequentially overlapped according to the aperture value of the electric control film, the aperture value of each electric control film refers to the diameter of the light through hole of the electric control film, the electric control films are in a transparent state when voltage is applied, and the electric control films are in an opaque state when the voltage is not applied;
and the voltage control unit is electrically connected with each electric control film and applies corresponding voltage signals to each electric control film according to the received diaphragm adjusting signals so that the diaphragm assembly forms a diaphragm corresponding to the diaphragm adjusting signals.
2. The image pickup apparatus according to claim 1, further comprising: a signal generating section configured to generate the aperture adjustment signal according to at least one of an exposure rate, a focal length, and an exposure time of the image pickup device.
3. The image pickup apparatus according to claim 2, wherein the signal generation section further generates the aperture adjustment signal in accordance with an input instruction of a user.
4. The image pickup apparatus according to claim 1, wherein the voltage control unit determines a currently required aperture value from the aperture adjustment signal, and determines the electrically controlled film to which the voltage signal is required to be applied from a prestored aperture value of each electrically controlled film.
5. The image pickup apparatus according to claim 1, wherein the electrically controlled film is configured in a circular shape.
6. An aperture adjustment method applied to the image pickup apparatus according to any one of claims 1 to 5, comprising:
receiving an aperture adjustment signal through a voltage control unit;
applying corresponding voltage signals to each electric control film in each diaphragm assembly according to the diaphragm adjusting signals so that the diaphragm assembly forms a diaphragm corresponding to the diaphragm adjusting signals;
the aperture assembly comprises a plurality of electric control films, each electric control film is provided with a light through hole, the electric control films are sequentially overlapped according to aperture values of the electric control films, the aperture value of each electric control film refers to the diameter of the light through hole of each electric control film, the electric control films are in a transparent state when voltage is applied to the electric control films, and the electric control films are in an opaque state when the voltage is not applied to the electric control films.
7. The method of claim 6, wherein the method further comprises:
and generating the aperture adjusting signal according to at least one of the exposure rate, the focal length and the exposure time of the image pickup device, and outputting the aperture adjusting signal to a voltage control unit.
8. The method of claim 6, wherein the method further comprises:
and generating the aperture adjusting signal according to an input instruction of a user, and outputting the aperture adjusting signal to a voltage control unit.
9. The method of claim 6, wherein said applying a corresponding voltage signal to each electronically controlled film in each aperture assembly in accordance with the aperture adjustment signal comprises:
and the voltage control unit determines the current required aperture value according to the aperture adjusting signal and determines the electric control films needing to apply voltage signals according to the prestored aperture values of the electric control films.
10. An electronic apparatus comprising the image pickup device according to any one of claims 1 to 5.
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| CN201710714253.9A CN107302665B (en) | 2017-08-18 | 2017-08-18 | Camera device, aperture adjusting method and electronic equipment |
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| CN201710714253.9A CN107302665B (en) | 2017-08-18 | 2017-08-18 | Camera device, aperture adjusting method and electronic equipment |
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