CN109151288B - Light filling module and terminal equipment - Google Patents
Light filling module and terminal equipment Download PDFInfo
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- CN109151288B CN109151288B CN201811278312.3A CN201811278312A CN109151288B CN 109151288 B CN109151288 B CN 109151288B CN 201811278312 A CN201811278312 A CN 201811278312A CN 109151288 B CN109151288 B CN 109151288B
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- 239000013589 supplement Substances 0.000 claims description 65
- 239000000758 substrate Substances 0.000 claims description 12
- 230000001502 supplementing effect Effects 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 description 4
- 239000000306 component Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000047 product Substances 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
- H04N23/56—Cameras or camera modules comprising electronic image sensors; Control thereof provided with illuminating means
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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
- H04N23/74—Circuitry for compensating brightness variation in the scene by influencing the scene brightness using illuminating means
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Studio Devices (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
Abstract
本发明公开一种补光模组，其包括补光灯(100)、SMA马达(200)和与所述补光灯(100)相对设置的配光镜片(300)，所述SMA马达(200)与所述配光镜片(300)相连、且驱动所述配光镜片(300)向着远离或靠近所述补光灯(100)的方向移动。本发明公开还一种终端设备。上述方案能解决目前的终端设备的补光模组无法匹配不同视场角的摄像头进行拍摄的问题。
The invention discloses a supplementary light module, which comprises a supplementary light (100), an SMA motor (200) and a light distribution lens (300) arranged opposite to the supplementary light (100), the SMA motor (200) ) is connected to the light distribution lens (300), and drives the light distribution lens (300) to move in a direction away from or close to the fill light (100). The invention also discloses a terminal device. The above solution can solve the problem that the current light-filling module of the terminal equipment cannot match the cameras with different viewing angles for shooting.
Description
Technical Field
The invention relates to a light supplementing module and terminal equipment.
Background
With the development of terminal devices, the terminal devices are continuously updated and iterated while integrating more and more functions. In order to obtain a better shooting effect, more and more terminal devices are currently configured with at least two cameras in the same shooting direction. For example, currently, more terminal devices are configured with rear dual cameras.
In order to improve the shooting performance, the terminal device at least comprises two cameras with unequal field angles, and the focal lengths of the cameras with unequal field angles are unequal. The larger the focal length of the camera is, the smaller the field angle of the camera is correspondingly; the smaller the focal length of the camera, the larger the field angle of the camera accordingly. The terminal equipment is provided with at least two cameras with unequal field angles, and the purpose of zooming and shooting can be indirectly achieved by switching the cameras, so that different shooting requirements of users can be met.
Terminal equipment still disposes the light filling module usually, and the light filling module can carry out the light filling for the shooting of camera, and then can make terminal equipment can accomplish in dark environment (for example, night, cloudy day, the basement that light is dark etc.) and shoot. However, the light supplement angle of the light supplement module of the current terminal device is set, and at least two cameras with different field angles cannot be matched at the same time, so that the purpose of matching the light supplement cannot be achieved. When the light supplementing angle of the light supplementing module is matched with the camera with the smaller field angle, if the camera with the larger field angle is switched to shoot, part of shooting areas cannot be supplemented with light, and the light supplementing effect is affected.
Disclosure of Invention
The invention discloses a light supplementing module, which aims to solve the problem that the conventional light supplementing module of terminal equipment cannot be matched with cameras with different field angles for shooting.
In order to solve the problems, the invention adopts the following technical scheme:
the utility model provides a light filling module, including light filling lamp, SMA motor and with the relative grading lens that sets up of light filling lamp, the SMA motor with the grading lens links to each other, and drives the grading lens is towards keeping away from or being close to the direction removal of light filling lamp.
The terminal equipment comprises a shell and the light supplementing module, wherein the light supplementing module is arranged in the shell.
The technical scheme adopted by the invention can achieve the following beneficial effects:
in the disclosed light filling module of this embodiment, the grading lens sets up with the light filling lamp is relative, and then carries out the grading for the light filling lamp. The light distribution lens is connected with the SMA motor, and further can move under the driving action of the SMA motor to adjust the distance between the light distribution lens and the light supplement lamp. The distance between grading lens and the light filling lamp changes and can make the regional light filling angle of light filling change for the shooting of the camera of different angles of vision of light filling module can the adaptation. Therefore, the light supplement module disclosed by the embodiment of the invention can solve the problem that the conventional light supplement module cannot be matched with cameras with different field angles for shooting.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic view of a local structure of a terminal device in a working state of a light supplement module according to an embodiment of the present invention;
fig. 2 is a schematic diagram illustrating a position change of a light supplement module of a terminal device according to an embodiment of the present invention.
Description of reference numerals:
100-a light supplement lamp, 200-an SMA motor, 210-a mounting groove, 300-a light distribution lens, 400-a power supply substrate, 500-a shielding case, 600-a circuit board, 700-a battery cover and 710-a mounting hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The technical solutions disclosed in the embodiments of the present invention are described in detail below with reference to the accompanying drawings.
Referring to fig. 1 and 2, an embodiment of the invention discloses a light supplement module, which is used for supplementing light for a camera of a terminal device. The disclosed light supplement module includes a light supplement lamp 100, an SMA motor 200, and a light distribution lens 300.
The light distribution lens 300 is disposed opposite to the fill-in light 100. The light distribution lens 300 is used for distributing light for light generated by the light supplement lamp 100, and finally the light can form a light supplement area after passing through the light distribution lens 300.
The SMA motor 200 is connected to the light distribution lens 300, and the SMA motor 200 is used to drive the light distribution lens 300 to move in a direction away from or close to the fill-in light 100. In an actual working process, the SMA motor 200 may drive the light distribution lens 300 to move toward a direction away from the light supplement lamp 100, or may drive the light distribution lens 300 to move toward a direction close to the light supplement lamp 100. The distance between the light distribution lens 300 and the light supplement lamp 100 can be adjusted by moving the light distribution lens 300, and then the light supplement angle of a light supplement area formed by the light of the light supplement lamp 100 after passing through the light distribution lens 300 can be changed. And when the light supplement angle of the light supplement area changes, the camera with different view angles can be matched for shooting.
In the light supplement module disclosed in the embodiment of the present invention, the light distribution lens 300 is disposed opposite to the light supplement lamp 100, so as to distribute light to the light supplement lamp 100. The light distribution lens 300 is connected to the SMA motor 200, and can move under the driving action of the light supplement lamp 100 to adjust the distance between the light supplement lamp 100 and the light supplement lamp. The distance between the light distribution lens 300 and the SMA motor 200 changes, so that the light supplement angle of the light supplement area changes, and the light supplement module can adapt to shooting of cameras with different field angles. Therefore, the light supplement module disclosed by the embodiment of the invention can solve the problem that the conventional light supplement module cannot be matched with cameras with different field angles for shooting.
The core component of the SMA motor 200 is a shape memory metal, and the greatest characteristic is that when the temperature of the material changes, the shape of the material changes, and the deformation quantity and the temperature have a corresponding relation. And has the conductivity and ductility of the metal. When current I passes through the SMA part, the resistance of the SMA part is R, the heating power is P, and according to the formula P, the material can generate heat, and the SMA part deforms in a specific direction after the temperature rises. Based on the correspondence between the deformation quantity and the temperature, the heating power is in direct proportion to the square of the current, namely the deformation quantity of the SMA material can be controlled by controlling the magnitude of the current. The SMA motor is based on the above principle, and changes the shape of the internal structural component by controlling the current, which drives the internal movable component to move in a specific direction. In the embodiment of the present invention, the SMA motor 200 is connected to the light distribution lens 300, so as to drive the light distribution lens 300 to move. The SMA motor 200 is a well-known product, and the structure thereof will not be described in detail.
The light supplement module disclosed in the embodiment of the present invention may further include a power supply substrate 400, and the SMA motor 200 is mounted on the power supply substrate 400 and is fixedly connected to the power supply substrate 400. The power supply substrate 400 provides a mounting base for the SMA motor 200, and simultaneously provides power for the operation of the SMA motor 200. In order to facilitate the assembly of the power supply substrate 400 in the terminal device, the power supply substrate 400 may be a flexible circuit board.
In order to facilitate assembly and improve assembly stability, preferably, the support surface of the SMA motor 200 may be provided with an installation groove 210, and the light distribution lens 300 may be fixed in the installation groove 210.
The light supplement module disclosed in the embodiment of the present invention is generally installed on a terminal device, and in order to reduce electromagnetic interference generated by other components of the terminal device on the terminal device, in a preferred scheme, the light supplement module disclosed in the embodiment of the present invention may further include a shielding cover 500, and the SMA motor 200 is covered by the shielding cover 500. Specifically, the shield case 500 may be a metal case.
In an actual design process, the light supplement angle of the light supplement area can be changed by moving the light distribution lens 300. A corresponding relationship can be established between the light supplement angle and the current of the SMA motor 200, and when a user needs a light supplement area at a certain light supplement angle, the current of the SMA motor 200 can be directly controlled. Based on this, in a preferred embodiment, the light supplement module disclosed in the embodiment of the present invention may further include a controller, and light emitted by the light supplement lamp 100 passes through the light distribution lens 300 to form a light supplement area. The controller controls the current of the SMA motor 200 according to the relationship between the light supplement angle of the light supplement area and the current of the SMA motor 200.
Based on the light supplement module disclosed in the embodiments of the present invention, the embodiments of the present invention disclose a terminal device, the disclosed terminal device includes a housing and a light supplement module disposed in the housing, the light supplement module is the light supplement module described in the embodiments above, and specific reference may be made to the description of the corresponding parts in the embodiments above, which is not repeated herein.
The circuit board 600 is usually disposed in the housing, the light supplement lamp 100 can be mounted on the circuit board 600, and the light supplement lamp 100 is electrically connected to the circuit board 600 and further powered by the circuit board 600. In this embodiment, the circuit board may be a main board of the terminal device or a sub-board of the terminal device, and the specific type of the circuit board 600 is not limited in this embodiment.
In general, the housing includes a battery cover 700, a mounting hole 710 is formed in the battery cover 700, and a light emitting end of the light distribution lens 300 can extend into the mounting hole 710, so that the light supplement lamp 100 can supplement light toward the rear side of the terminal device.
The terminal device disclosed by the embodiment of the invention can be a smart phone, a tablet computer, an electronic book reader, a wearable device (such as a smart watch) and the like, and the specific type of the terminal device is not limited by the embodiment of the invention.
In the above embodiments of the present invention, the difference between the embodiments is mainly described, and different optimization features between the embodiments can be combined to form a better embodiment as long as they are not contradictory, and further description is omitted here in view of brevity of the text.
The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (6)
1. The light supplement module is characterized by comprising a light supplement lamp (100), an SMA motor (200) and a light distribution lens (300) arranged opposite to the light supplement lamp (100), wherein the SMA motor (200) is connected with the light distribution lens (300) and drives the light distribution lens (300) to move towards a direction far away from or close to the light supplement lamp (100);
an installation groove (210) is formed in the supporting surface of the SMA motor (200), and the light distribution lens (300) is fixed in the installation groove (210);
the light supplementing module further comprises a power supply substrate (400), the power supply substrate (400) is a flexible circuit board, and the SMA motor (200) is mounted on the power supply substrate (400) and fixedly connected with the power supply substrate (400);
the light filling module still includes shield cover (500), shield cover (500) set up on power supply substrate (400), shield cover (500) cover is established SMA motor (200), the top of shield cover (500) has the perforation, grading lens (300) run through the top of shield cover (500) the perforation.
2. The light supplement module according to claim 1, further comprising a controller, wherein light emitted by the light supplement lamp (100) passes through the light distribution lens (300) to form a light supplement area, and the controller controls the current of the SMA motor (200) according to a relation between a light supplement angle of the light supplement area and the current of the SMA motor (200).
3. A terminal device, comprising a housing and the light supplement module of claim 1 or 2, wherein the light supplement module is disposed in the housing.
4. The terminal device according to claim 3, wherein a circuit board (600) is arranged in the housing, and the fill light (100) is mounted on the circuit board (600).
5. The terminal device according to claim 3, wherein the housing comprises a battery cover (700), the battery cover (700) is provided with a mounting hole (710), and the light emitting end of the light distribution lens (300) extends into the mounting hole (710).
6. The terminal device according to any one of claims 3-5, wherein the terminal device is a smartphone, a tablet, an e-book reader, or a wearable device.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811278312.3A CN109151288B (en) | 2018-10-30 | 2018-10-30 | Light filling module and terminal equipment |
| PCT/CN2019/112679 WO2020088316A1 (en) | 2018-10-30 | 2019-10-23 | Fill light module and terminal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811278312.3A CN109151288B (en) | 2018-10-30 | 2018-10-30 | Light filling module and terminal equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109151288A CN109151288A (en) | 2019-01-04 |
| CN109151288B true CN109151288B (en) | 2021-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811278312.3A Active CN109151288B (en) | 2018-10-30 | 2018-10-30 | Light filling module and terminal equipment |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109151288B (en) |
| WO (1) | WO2020088316A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109151288B (en) * | 2018-10-30 | 2021-01-08 | 维沃移动通信（杭州）有限公司 | Light filling module and terminal equipment |
| CN110545387B (en) * | 2019-09-04 | 2021-10-29 | 维沃移动通信有限公司 | A shooting method and terminal device |
| CN114584636B (en) * | 2020-11-28 | 2023-11-03 | 华为技术有限公司 | Shape memory alloy motors, motor modules, camera modules, electronic equipment |
| CN112505986B (en) * | 2020-12-11 | 2022-09-27 | 维沃移动通信有限公司 | Light filling lamp module and electronic equipment |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2020088316A1 (en) | 2020-05-07 |
| CN109151288A (en) | 2019-01-04 |
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