CN111935387A - Anti-shake camera module, camera anti-shake system and method and mobile terminal - Google Patents
Anti-shake camera module, camera anti-shake system and method and mobile terminal Download PDFInfo
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- CN111935387A CN111935387A CN202010956319.7A CN202010956319A CN111935387A CN 111935387 A CN111935387 A CN 111935387A CN 202010956319 A CN202010956319 A CN 202010956319A CN 111935387 A CN111935387 A CN 111935387A
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- shake
- circuit board
- driving
- camera module
- camera
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- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000006073 displacement reaction Methods 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 3
- 238000009826 distribution Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000010923 batch production Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Classifications
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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
- H04N23/50—Constructional details
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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
- H04N23/50—Constructional details
- H04N23/54—Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
-
- 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
- H04N23/68—Control of cameras or camera modules for stable pick-up of the scene, e.g. compensating for camera body vibrations
- H04N23/681—Motion detection
- H04N23/6812—Motion detection based on additional sensors, e.g. acceleration sensors
-
- 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
- H04N23/68—Control of cameras or camera modules for stable pick-up of the scene, e.g. compensating for camera body vibrations
- H04N23/682—Vibration or motion blur correction
- H04N23/685—Vibration or motion blur correction performed by mechanical compensation
- H04N23/687—Vibration or motion blur correction performed by mechanical compensation by shifting the lens or sensor position
Abstract
The invention discloses an anti-shake camera module, a camera anti-shake system, a camera anti-shake method and a mobile terminal, wherein the camera anti-shake system comprises a camera module body, an anti-shake circuit board and a bottom board circuit board; two or four first driving pieces are arranged on the bottom board circuit board, when the number of the first driving pieces is two, the two first driving pieces are vertically arranged, and when the number of the first driving pieces is four, the four first driving pieces are distributed in a rectangular shape; the anti-shake circuit board is positioned right above the bottom board circuit board, and the anti-shake circuit board or the module circuit board is connected with the bottom board circuit board through a connecting column; the anti-shake circuit board is provided with second driving pieces corresponding to the first driving pieces in quantity and arrangement mode; the first driving piece is a driving magnet or a coil, and when the first driving piece is the driving magnet, the second driving piece is the coil; when the first driving part is a coil, the second driving part is a driving magnet. The invention has the function of anti-shake during photographing.
Description
Technical Field
The invention belongs to the technical field of camera modules, and particularly relates to an anti-shake camera module, a camera anti-shake system, a camera anti-shake method and a mobile terminal.
Background
The traditional camera module without the anti-shake function can cause the problem of unclear image quality due to shaking of a hand-held user when taking a picture. At present, the anti-shake camera module which can be seen usually achieves the purpose of anti-shake through a movable lens, the anti-shake camera module easily causes dark corners, the edge image quality loss and the like, the anti-shake effect is limited, and the anti-shake deviation correction range is not as good as the anti-shake effect of the camera module. In the existing module anti-shake scheme, because the structure is more complicated, the size is bigger, the cost is higher, the soft board line is too long, the signal attenuation is bigger, the pulling force of the soft board to the camera module itself can not be eliminated, and the applicability is more limited.
Therefore, it is necessary to develop a new anti-shake camera module, a camera anti-shake system, a camera anti-shake method and a mobile terminal.
Disclosure of Invention
The invention aims to provide an anti-shake camera module, a camera anti-shake system, a camera anti-shake method and a mobile terminal, which can achieve a better anti-shake effect.
In a first aspect, the anti-shake camera module provided by the invention comprises a camera module body, an anti-shake circuit board and a bottom board circuit board;
two or four first driving pieces are arranged in the middle of the bottom board circuit board, when the number of the first driving pieces is two, the two first driving pieces are vertically arranged, and when the number of the first driving pieces is four, the four first driving pieces are distributed in a rectangular shape;
the anti-shake circuit board is positioned right above the bottom board circuit board, and the anti-shake circuit board or the module circuit board of the camera module body is connected with the bottom board circuit board through a connecting column; the anti-shake circuit board is provided with second driving pieces corresponding to the first driving pieces in quantity and arrangement mode, and gaps are formed between the second driving pieces and the corresponding first driving pieces;
the first driving piece is a driving magnet or a coil, and when the first driving piece is the driving magnet, the second driving piece is the coil; when the first driving piece is a coil, the second driving piece is a driving magnet; after the coils are electrified, the coils interact with corresponding driving magnets to generate ampere force to drive the anti-shake circuit board to generate corresponding displacement change in the X direction/Y direction so as to realize anti-shake;
the camera module body is installed on the anti-shake circuit board, and the module circuit board of camera module body passes through conductor wire and bottom plate circuit board electric connection.
Furthermore, the module circuit board of the anti-shake circuit board or the camera module body is connected with the bottom board circuit board through four connecting columns, and the four connecting columns are distributed in a rectangular shape.
Furthermore, the connecting column is a metal column.
In a second aspect, the camera anti-shake system provided by the invention comprises a control module, a gyroscope and the anti-shake camera module provided by the invention;
the gyroscope is used for detecting the angular velocity information of the camera and sending the angular velocity information to the control module, and the gyroscope is electrically connected with the control module;
the control module calculates a target coil and compensation quantity based on the detected angular velocity information, and sends a control instruction to the anti-shake camera module based on the target coil and the compensation quantity, and the anti-shake camera module is electrically connected with the control module;
the anti-shake camera module controls a target coil on the anti-shake circuit board to input current corresponding to the compensation quantity based on the control instruction, and after the target coil is electrified, the anti-shake camera module interacts with a corresponding driving magnet to generate ampere force so as to drive the anti-shake circuit board to generate corresponding displacement change in the X direction/Y direction.
In a third aspect, the camera shake prevention method according to the present invention is a camera shake prevention system according to the present invention, and the method includes:
detecting angular velocity information of the camera through the gyroscope and sending the angular velocity information to the control module;
the control module calculates a target coil and compensation quantity based on the detected angular speed information and sends a control instruction to the anti-shake camera module based on the target coil and the compensation quantity;
the anti-shake camera module controls a target coil on the anti-shake circuit board to input current corresponding to the compensation quantity based on the control instruction, and after the target coil is electrified, the anti-shake camera module interacts with a corresponding driving magnet to generate ampere force so as to drive the anti-shake circuit board to generate corresponding displacement change in the X direction/Y direction.
In a fourth aspect, the anti-shake camera module is adopted in the mobile terminal of the present invention.
The invention has the following advantages:
(1) the compensation direction and the compensation amount are calculated through the detected angular velocity information, so that the anti-shake circuit board is driven to move by a corresponding displacement amount, and the camera module body is driven to move while the anti-shake circuit board moves, so that a nondestructive anti-shake function is realized;
(2) the camera module body is a rotor, so that the problems of dark corners, edge image quality loss and the like cannot be caused;
(3) the structure is simple, the length of the flexible board line cannot be increased, the process is supported by the existing production equipment, the batch production is easy, and the cost is low.
Drawings
Fig. 1 is a schematic structural diagram of the anti-shake camera module according to this embodiment (with the protective cover removed);
fig. 2 is a second schematic structural diagram of the anti-shake camera module according to the present embodiment;
FIG. 3 is a diagram showing the distribution of two driving magnets and two coils in the present embodiment;
FIG. 4 is a diagram showing the distribution of four driving magnets and four coils in the present embodiment;
fig. 5 is a schematic block diagram of the camera anti-shake system according to the present embodiment;
FIG. 6 is a schematic view in the X-direction and Y-direction in the present embodiment;
in the figure: 1. the camera module comprises a protective cover, 2, an anti-shake circuit board, 3, a connector, 4, a connecting column, 5, a conducting wire, 6, a bottom board circuit board, 7, a camera module body, 8, a driving magnet, 9, a coil, 10, a gyroscope, 11 and a control module.
Detailed Description
The following detailed description of the present embodiments is made with reference to the accompanying drawings.
Example one
As shown in fig. 1 and fig. 2, in the present embodiment, an anti-shake camera module includes a camera module body 7, an anti-shake circuit board 2, and a bottom board circuit board 6.
As shown in fig. 3, two first driving members are disposed in the middle of the bottom board circuit board 6, and the two first driving members are disposed vertically.
As shown in fig. 1 and 2, the connector 3 is further disposed on the bottom board circuit board 6, and if the anti-shake camera module is used in a mobile phone, the bottom board circuit board 6 is connected to a main board of the mobile phone through the connector 3, and the power is supplied to the entire anti-shake camera module through the main board of the mobile phone.
As shown in fig. 1 to fig. 3, the anti-shake circuit board 2 is located right above the bottom board circuit board 6, and the anti-shake circuit board 2 or the module circuit board of the camera module body 7 is connected to the bottom board circuit board 6 through the connecting column 4. In this embodiment, the connecting column 4 is a metal column, which can support the anti-shake circuit board 2 and the camera module body 7, and the metal column has a certain elastic deformation capability in the X direction/Y direction. The anti-shake circuit board 2 is provided with second driving parts corresponding to the first driving parts in quantity and arrangement mode, and a gap is formed between the second driving parts and the corresponding (namely directly above) first driving parts.
In this embodiment, the first driving element is a driving magnet 8, the second driving element is a coil 9 (each coil 9 installed on the anti-shake circuit board 2 is powered by the bottom board circuit board 6), and after the coil is powered on, the coil interacts with the corresponding driving magnet to generate an ampere force, so that the anti-shake circuit board 2 is driven to generate a corresponding displacement change in the X direction/Y direction (see fig. 6), so as to realize anti-shake.
As shown in fig. 1 and fig. 2, the camera module body 7 is mounted on the anti-shake circuit board 2, and the module circuit board of the camera module body 7 (i.e., a circuit board for controlling the operation of the motor and the photosensitive chip inside the camera module, which is the prior art and is not described herein again) is electrically connected to the bottom board circuit board 6 through the conductive wire 5. In this embodiment, the conductive wire 5 is a gold wire or other conductive metal wire that is easy to bend, and the gold wire or other conductive metal wire that is easy to bend is used for conducting the module circuit board and the bottom board circuit board 6, and provides a power supply for the camera module body 7.
As shown in fig. 1 and fig. 2, in this embodiment, the anti-shake circuit board 2 is connected to the bottom board circuit board 6 through four connection posts 4, or the module circuit board of the camera module body 7 is connected to the bottom board circuit board 6 through four connection posts 4; one of them is selected. The four connecting columns 4 are distributed in a rectangular shape.
As shown in fig. 1, the camera module body 7 is provided with a protective cover 1, which has an effect of protecting the camera module body 7.
As shown in fig. 5, in the present embodiment, a camera anti-shake system includes a control module 11, a gyroscope 10, and an anti-shake camera module as described in the present embodiment. The gyroscope 10 is used for detecting angular velocity information of the camera and sending the angular velocity information to the control module 11, and the gyroscope 10 is electrically connected with the control module 11. The control module 11 calculates a target coil and a compensation amount based on the detected angular velocity information, and sends a control instruction to the anti-shake camera module based on the target coil and the compensation amount, and the anti-shake camera module is electrically connected with the control module 11 through the connector 3. The anti-shake camera module controls to input current corresponding to the compensation quantity to the target coil on the anti-shake circuit board 2 based on the control instruction, and after the target coil is electrified, the current interacts with the corresponding driving magnet to generate ampere force so as to drive the anti-shake circuit board 2 to generate corresponding displacement change in the X direction/Y direction. That is, when the detected camera shakes towards the positive direction X, a compensation amount towards the negative direction X is given, so that the anti-shake function is achieved. When the detected camera shakes towards the positive direction of Y, a compensation amount towards the negative direction of Y is given, so that the anti-shake function is achieved.
In this embodiment, if the anti-shake camera module is installed on a mobile phone, the control module 11 is a main board of the mobile phone. At present, a gyroscope is generally configured on a mobile phone, and the gyroscope on the mobile phone is adopted.
In this embodiment, a camera anti-shake method adopts the camera anti-shake system as described in this embodiment, and the method includes:
detecting the angular velocity information of the camera through the gyroscope 10 and sending the information to the control module 11;
the control module 11 calculates a target coil and a compensation amount based on the detected angular velocity information, and sends a control instruction to the anti-shake camera module based on the target coil and the compensation amount;
the anti-shake camera module controls to input current corresponding to the compensation quantity to the target coil on the anti-shake circuit board 2 based on the control instruction, and after the target coil is electrified, the current interacts with the corresponding driving magnet to generate ampere force so as to drive the anti-shake circuit board 2 to generate corresponding displacement change in the X direction/Y direction.
In this embodiment, a mobile terminal adopts the anti-shake camera module described in this embodiment.
Example two
As shown in fig. 4, in this embodiment, four first driving members are disposed in the middle of the bottom board circuit board 6, and the four first driving members are distributed in a rectangular shape. The anti-shake circuit board 2 is provided with the second driving parts corresponding to the first driving parts in quantity and arrangement mode, namely, in the embodiment, the number of the second driving parts is four. The four second driving pieces and the four first driving pieces are arranged in a one-to-one correspondence mode. Wherein, two first driving pieces that are located X to cooperate with the second driving piece that corresponds, control anti-shake circuit board 2 and move in X. And the two first driving parts positioned in the Y direction are matched with the corresponding second driving parts to control the anti-shake circuit board 2 to move in the Y direction.
The rest is the same as the first embodiment.
EXAMPLE III
The first driving piece is a coil 9, the second driving piece is a driving magnet 10, and the coil 9 is powered by the bottom board circuit board 6.
The rest is the same as the first embodiment.
Claims (7)
1. The utility model provides an anti-shake camera module, includes camera module body (7), its characterized in that: the anti-shake circuit board is characterized by also comprising an anti-shake circuit board (2) and a bottom board circuit board (6);
two or four first driving pieces are arranged in the middle of the bottom board circuit board (6), when the number of the first driving pieces is two, the two first driving pieces are vertically arranged, and when the number of the first driving pieces is four, the four first driving pieces are distributed in a rectangular shape;
the anti-shake circuit board (2) is positioned right above the bottom board circuit board (6), and the anti-shake circuit board (2) or the module circuit board of the camera module body (7) is connected with the bottom board circuit board (6) through the connecting column (4); second driving pieces corresponding to the first driving pieces in quantity and arrangement are arranged on the anti-shake circuit board (2), and gaps are formed between the second driving pieces and the corresponding first driving pieces;
the first driving piece is a driving magnet (8) or a coil (9), and when the first driving piece is the driving magnet (8), the second driving piece is the coil (9); when the first driving piece is a coil (9), the second driving piece is a driving magnet (8); after the coils (9) are electrified, the coils interact with the corresponding driving magnets (8) to generate ampere force to drive the anti-shake circuit board (2) to generate corresponding displacement change in the X direction/Y direction so as to realize anti-shake;
the camera module body is installed on the anti-shake circuit board (2), and the module circuit board of the camera module body (7) is electrically connected with the bottom board circuit board (6) through the conducting wire (5).
2. The anti-shake camera module according to claim 1, wherein: the anti-shake circuit board (2) or the module circuit board of the camera module body (7) is connected with the bottom board circuit board (6) through four connecting columns (4), and the four connecting columns (4) are distributed in a rectangular shape.
3. The anti-shake camera module according to claim 1 or 2, wherein: the connecting column (4) is a metal column.
4. The anti-shake camera module according to claim 3, wherein: and the bottom board circuit board (6) is also provided with a connector (3).
5. The utility model provides a camera anti-shake system which characterized in that: comprising a control module (11), a gyroscope (10) and an anti-shake camera module according to any of claims 1 to 4;
the gyroscope (10) is used for detecting angular velocity information of the camera and sending the angular velocity information to the control module (11), and the gyroscope (10) is electrically connected with the control module (11);
the control module (11) calculates a target coil and a compensation amount based on the detected angular velocity information, and sends a control instruction to the anti-shake camera module based on the target coil and the compensation amount, and the anti-shake camera module is electrically connected with the control module (11);
the anti-shake camera module controls a target coil on the anti-shake circuit board (2) to input current corresponding to the compensation quantity based on the control instruction, and after the target coil is electrified, the current interacts with a corresponding driving magnet to generate ampere force so as to drive the anti-shake circuit board (2) to generate corresponding displacement change in the X direction/Y direction.
6. A camera anti-shake method is characterized in that: the camera anti-shake system according to claim 5, wherein the method comprises:
angular speed information of the camera is detected through the gyroscope (10) and is sent to the control module (11);
the control module (11) calculates a target coil and a compensation amount based on the detected angular speed information, and sends a control instruction to the anti-shake camera module based on the target coil and the compensation amount;
the anti-shake camera module controls a target coil on the anti-shake circuit board (2) to input current corresponding to the compensation quantity based on the control instruction, and after the target coil is electrified, the current interacts with a corresponding driving magnet to generate ampere force so as to drive the anti-shake circuit board (2) to generate corresponding displacement change in the X direction/Y direction.
7. A mobile terminal, characterized by: comprising an anti-shake camera module according to any of claims 1 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010956319.7A CN111935387A (en) | 2020-09-11 | 2020-09-11 | Anti-shake camera module, camera anti-shake system and method and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010956319.7A CN111935387A (en) | 2020-09-11 | 2020-09-11 | Anti-shake camera module, camera anti-shake system and method and mobile terminal |
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| CN111935387A true CN111935387A (en) | 2020-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010956319.7A Pending CN111935387A (en) | 2020-09-11 | 2020-09-11 | Anti-shake camera module, camera anti-shake system and method and mobile terminal |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112995473A (en) * | 2021-02-07 | 2021-06-18 | 维沃移动通信有限公司 | Electronic device |
| CN113183879A (en) * | 2021-04-23 | 2021-07-30 | 恒大恒驰新能源汽车研究院(上海)有限公司 | Anti-shake module, electron outside rear-view mirror and vehicle |
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2020
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| CN102262280A (en) * | 2010-05-24 | 2011-11-30 | 思考电机（上海）有限公司 | Lens driving device, auto focus camera and mobile terminal device |
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