CN218888614U - Camera module and electronic equipment - Google Patents
Camera module and electronic equipment Download PDFInfo
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- CN218888614U CN218888614U CN202223008748.5U CN202223008748U CN218888614U CN 218888614 U CN218888614 U CN 218888614U CN 202223008748 U CN202223008748 U CN 202223008748U CN 218888614 U CN218888614 U CN 218888614U
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Abstract
The utility model relates to a security protection equipment technical field discloses a module and electronic equipment make a video recording. The camera module comprises a lens, a lens component, an image sensor and a circuit board; the lens component and the image sensor are oppositely arranged, the lens is arranged on one side of the lens component, which is far away from the image sensor, and the circuit board is electrically connected with the lens so as to control the lens to be switched between a first state and a second state; under the condition that the lens is in the first state, the light can sequentially pass through the lens and the lens assembly to reach the image sensor; the lens is configured to prevent light from passing through the lens to the lens assembly when the lens is in the second state. The utility model discloses simple structure, not only accessible lens carry out the physics protection to the lens subassembly, also can form the physics to the lens subassembly and shelter from, are favorable to ensuring user's privacy to can not influence the outward appearance of module of making a video recording.
Description
Technical Field
The utility model relates to a security protection equipment technical field especially relates to a module and electronic equipment make a video recording.
Background
Along with security protection monitored control system's development, the applied scene of the module of making a video recording is more and more, and user's various daily life may expose in monitoring the scene, is unfavorable for the privacy protection to the user.
In the correlation technique, mainly carry out physics through mechanical system to the camera lens of the module of making a video recording and shelter from to reach privacy protection's purpose, however, this kind of privacy protection set up the structure complicacy, influence the outward appearance of the module of making a video recording.
SUMMERY OF THE UTILITY MODEL
The utility model provides a module and electronic equipment make a video recording for there is the problem that sets up the outward appearance of the module of making a video recording that structure is complicated, influences in the privacy protection mode of solving current based on physics covers the camera lens.
The utility model provides a camera shooting module, include: a lens, a lens assembly, an image sensor and a circuit board;
the lens assembly and the image sensor are oppositely arranged, the lens is arranged on one side of the lens assembly, which is far away from the image sensor, and the circuit board is electrically connected with the lens so as to control the lens to be switched between a first state and a second state;
with the lens in the first state, light can pass through the lens and the lens assembly in sequence to the image sensor;
the lens is configured to prevent light from passing through the lens to the lens assembly when the lens is in the second state.
According to the camera module provided by the utility model, the lens comprises a liquid crystal film, and the circuit board is electrically connected with the liquid crystal film;
the circuit board is used for controlling the liquid crystal film to be in a power-on state so that the liquid crystal film is in a light-transmitting state, and controlling the liquid crystal film to be in a power-off state so that the liquid crystal film is in a light-shading state.
According to the utility model provides a camera module, the liquid crystal film comprises a first transparent electrode layer, a liquid crystal layer and a second transparent electrode layer;
the liquid crystal layer is clamped between the first transparent electrode layer and the second transparent electrode layer, and the circuit board is electrically connected with the first transparent electrode layer and the second transparent electrode layer respectively.
According to the utility model provides a pair of module of making a video recording, first transparent electrode layer with second transparent electrode layer is the indium tin oxide layer.
According to the camera module provided by the utility model, the lens further comprises a first transparent substrate and a second transparent substrate; the liquid crystal film is sandwiched between the first transparent substrate and the second transparent substrate.
According to the utility model provides a camera module, the lens further comprises a first bonding layer and a second bonding layer; the first adhesive layer is disposed between the first transparent substrate and the liquid crystal film, and the second adhesive layer is disposed between the second transparent substrate and the liquid crystal film.
According to the utility model provides a camera module, the circuit board comprises a control board and a drive board; the image sensor is electrically connected with the control board, the control board is electrically connected with the driving board, and the driving board is electrically connected with the lens.
According to the utility model provides a camera module, the drive plate is provided with a power module, a control module and a transformer;
the control panel and the power module are respectively electrically connected with the control module, the control module is electrically connected with the primary side of the transformer, and the secondary side of the transformer is electrically connected with the lens.
According to the utility model, the camera module also comprises a shell and a bracket; the shell is provided with an accommodating cavity and an opening communicated with the accommodating cavity; the lens is arranged in the opening, and the lens assembly and the image sensor are arranged in the accommodating cavity; the shell is connected with the bracket, and the bracket is used for being connected with a component to be installed.
The utility model also provides an electronic equipment, electronic equipment installs as above the module of making a video recording.
The utility model provides a module and electronic equipment make a video recording sets up the lens through the one side that deviates from image sensor at the camera lens subassembly, and accessible circuit board control lens switches between first state and second state to change the transmittance of lens to visible light, realize when the lens is in the first state, ensure the normal monitoring function of module of making a video recording, and when the lens is in the second state, prevent to make a video recording the environment at its place and monitor.
Therefore, the utility model discloses a module of making a video recording simple structure, not only accessible lens carry out the physics protection to the lens subassembly, also can form the physics to the lens subassembly and shelter from, are favorable to guaranteeing user's privacy to can not influence the outward appearance of module of making a video recording.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the following briefly introduces the drawings required for the embodiments or the prior art descriptions, and obviously, the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is one of the schematic structural diagrams of the camera module according to the present invention;
fig. 2 is a second schematic structural view of the camera module according to the present invention;
fig. 3 is a block diagram of a control structure of the camera module provided by the present invention;
fig. 4 is a schematic structural view of the lens provided by the present invention in a first state;
fig. 5 is a schematic structural view of the lens provided by the present invention in the second state.
Reference numerals are as follows:
1. a lens; 11. a liquid crystal film; 111. a first transparent electrode layer; 112. a liquid crystal layer; 113. a second transparent electrode layer; 12. a first transparent substrate; 13. a second transparent substrate; 14. a first adhesive layer; 15. a second adhesive layer;
2. a lens assembly; 3. an image sensor;
4. a circuit board; 41. a control panel; 42. a drive plate; 421. a power supply module; 422. a control module; 423. a transformer;
5. a housing; 51. an accommodating chamber; 52. an opening; 6. and (4) a bracket.
Detailed Description
To make the objects, technical solutions and advantages of the present invention clearer, the drawings of the present invention are combined to clearly and completely describe the technical solutions of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The following describes the camera module and the electronic device provided by the embodiments of the present invention in detail through specific embodiments and application scenarios thereof with reference to fig. 1 to 5.
As shown in fig. 1 to fig. 3, the present embodiment provides a camera module, including: lens 1, lens assembly 2, image sensor 3 and circuit board 4.
Under the condition that the lens 1 is in the first state, the transmittance of the lens 1 to light is greater than a preset value, so that the light can sequentially pass through the lens 1 and the lens assembly 2 to reach the image sensor 3. Under the condition that the lens 1 is in the second state, the transmittance of the lens 1 to light is smaller than the preset value, so that the lens 1 is used for preventing the light from reaching the lens assembly 2 through the lens 1.
It is understood that the lens 1, the lens assembly 2, and the image sensor 3 are arranged in order in the optical axis direction of the lens assembly 2. The lens 1 and the image sensor 3 can be connected to the circuit board 4 respectively in this embodiment, so that the circuit board 4 can receive image information collected by the image sensor 3 and process the image information, thereby realizing imaging of a shooting object, and the circuit board 4 can also output a control signal to the lens 1 to control the lens 1 to switch between the first state and the second state according to actual requirements.
Meanwhile, the lens 1 may be a liquid crystal lens or an electro-birefringent lens known in the art; the lens assembly 2 may adopt a fixed focus lens or a zoom lens known in the art; the image sensor 3 may employ any one of a super-sensitive image sensor, a black-and-white image sensor, a color image sensor, and a depth image sensor, which are well known in the art.
Wherein, in the case that the lens 1 is a liquid crystal lens, the electric connection state between the liquid crystal lens and the power supply can be controlled by the circuit board 4, so that the liquid crystal lens is switched between the first state and the second state.
When the circuit board 4 controls the power supply to electrify the liquid crystal lens, the liquid crystal lens is in a first state, and the liquid crystal lens is transparent at the moment, so that light can sequentially pass through the lens 1 and the lens assembly 2 to reach the image sensor 3; when the circuit board 4 controls the liquid crystal lens to be powered off, the liquid crystal lens is in the second state, the liquid crystal lens is opaque (or frosted), light cannot reach the lens component 2 under the prevention of the liquid crystal lens, and the image sensor 3 cannot receive the reflected light of the shooting object, so that imaging cannot be performed.
Meanwhile, in the case that the lens 1 is an electric double refraction lens, the electric double refraction lens may include a first polarizing plate, a piezoelectric crystal and a second polarizing plate, the piezoelectric crystal is disposed between the first polarizing plate and the second polarizing plate, the piezoelectric crystal is electrically connected to the circuit board 4, and the first polarizing plate and the second polarizing plate are perpendicular to the polarization direction of the light beam.
In this case, when light is incident on the first polarizing plate, the intensity of light output from the second polarizing plate can be changed by controlling the voltage of the piezoelectric crystal by the circuit board 4.
Obviously, the electric double-refraction lens plays a role of an optical valve for light transmission, and in this embodiment, the electric double-refraction lens can be controlled to be switched between the first state and the second state by controlling the voltage of the piezoelectric crystal, and when the electric double-refraction lens is in the first state, the electric double-refraction lens is transparent, light can pass through the electric double-refraction lens and the lens component 2 in sequence to reach the image sensor 3, and when the electric double-refraction lens is in the second state, light cannot reach the lens component 2 through the electric double-refraction lens.
According to the above, the utility model discloses a set up lens 1 in one side that lens subassembly 2 deviates from image sensor 3, accessible circuit board 4 control lens 1 switches between first state and second state to change the transmissivity of lens 1 to visible light, realize when lens 1 is in the first state, ensure the normal monitoring function of module of making a video recording, and when lens 1 is in the second state, prevent to make a video recording the environment at its place and monitor.
Therefore, the utility model discloses a camera module simple structure, not only accessible lens 1 carries out the physics protection to lens subassembly 2, also can form the physics to lens subassembly 2 when lens 1 is in the second state and shelter from, is favorable to guaranteeing user's privacy to can not influence camera module's outward appearance.
In some embodiments, as shown in fig. 4 and 5, the lens 1 of the present embodiment includes a liquid crystal film 11, the circuit board 4 is electrically connected to the liquid crystal film 11, and the circuit board 4 is configured to control the liquid crystal film 11 to be in a power-on state so that the liquid crystal film 11 is in a light-transmitting state, and control the liquid crystal film 11 to be in a power-off state so that the liquid crystal film 11 is in a light-shielding state.
It can be understood that, when the circuit board 4 controls the liquid crystal film 11 to be in the power-on state, the liquid crystal film 11 is transparent and has a high transmittance for light, and at this time, the light can pass through the lens 1 and the lens assembly 2 in sequence to reach the image sensor 3, so that the normal operation of the camera module can be ensured.
When circuit board 4 control liquid crystal film 11 was in the outage state, liquid crystal film 11 was opaque form (switched into the shading state from the printing opacity state), and liquid crystal film 11 descends to the transmissivity of light this moment for light can not reach lens subassembly 2 through lens 1, causes the module of making a video recording can not normally work, thereby reaches the purpose of carrying out the privacy protection to the user.
It should be noted here that, when the circuit board 4 controls the liquid crystal film 11 to be in the power-off state, the liquid crystal film 11 is in the light-shielding state, and at this time, the lens 1 may exhibit a significant difference from an appearance of the lens in the high transmittance state, so that a user can conveniently perform visual identification on the non-transparent state of the lens 1, thereby being beneficial to eliminating the doubtful experience of the user.
In some embodiments, as shown in fig. 4 and 5, in order to facilitate control of the liquid crystal film 11 to switch between the light transmitting state and the light shielding state, the liquid crystal film 11 of the present embodiment includes a first transparent electrode layer 111, a liquid crystal layer 112, and a second transparent electrode layer 113.
Further, the liquid crystal layer 112 is sandwiched between the first transparent electrode layer 111 and the second transparent electrode layer 113, and the circuit board 4 is electrically connected to the first transparent electrode layer 111 and the second transparent electrode layer 113 respectively.
Specifically, the liquid crystal layer 112 includes a plurality of liquid crystal cells with a liquid crystal polymer disposed therebetween. Meanwhile, the first transparent electrode layer 111 is sheet-shaped, the second transparent electrode layer 113 may be formed as a Thin Film Transistor (TFT) driving circuit, the TFT driving circuit includes a plurality of TFT driving units, the TFT driving units are arranged in an array, the first transparent electrode layer 111 is connected to the plurality of liquid crystal units, and the plurality of liquid crystal units are connected to the plurality of TFT driving units in a one-to-one correspondence manner.
As shown in fig. 4, when the circuit board 4 controls the liquid crystal film 11 to be in the power-off state, there is no voltage between the first transparent electrode layer 111 and the second transparent electrode layer 113, the liquid crystal cells are arranged in an irregular manner in a natural state, and the refractive index of the liquid crystal cells is smaller than that of the liquid crystal polymer, so that incident light is scattered in the liquid crystal layer 112, and the liquid crystal layer 112 is frosted, that is, in a light-shielding state.
As shown in fig. 5, when the circuit board 4 controls the liquid crystal film 11 to be in the power-on state, a voltage is generated between the first transparent electrode layer 111 and the second transparent electrode layer 113, the voltage causes the discretely distributed liquid crystal cells to change from the random arrangement to the oriented regular arrangement, the refractive index of the liquid crystal cells is equal to that of the liquid crystal polymer, and thus the incident light can completely pass through the liquid crystal layer 112, so that the liquid crystal layer 112 is in the light-transmitting state.
Therefore, the liquid crystal film 11 can be controlled by the circuit board 4 to be switched between the power-off state and the power-on state, the transmittance of the lens 1 to visible light is changed under different voltage control signals, and therefore the purposes of physical protection of the camera module and privacy protection of users are achieved.
In some embodiments, in the case where the circuit board 4 controls the liquid crystal film 11 to be in the energized state, in order to ensure high transmittance of the lens 1 for light, the first transparent electrode layer 111 and the second transparent electrode layer 113 in the lens 1 are both selected to be indium tin oxide layers.
In some embodiments, as shown in fig. 4 and 5, in order to facilitate the process of the liquid crystal film 11 and protect the liquid crystal film 11, the lens 1 of the embodiment further includes a first transparent substrate 12 and a second transparent substrate 13; the liquid crystal film 11 is sandwiched between a first transparent substrate 12 and a second transparent substrate 13.
Specifically, a transparent glass substrate known in the art may be used for each of the first transparent substrate 12 and the second transparent substrate 13.
Meanwhile, in the present embodiment, the first transparent electrode layer 111 of the liquid crystal film 11 may be disposed on one side of the first transparent substrate 12 facing the liquid crystal film 11 by magnetron sputtering, and the second transparent electrode layer 113 of the liquid crystal film 11 may be disposed on one side of the second transparent substrate 13 facing the liquid crystal film 11 by magnetron sputtering.
In some embodiments, as shown in fig. 4 and 5, the lens 1 of the present embodiment further comprises a first adhesive layer 14 and a second adhesive layer 15. Wherein, the first adhesive layer 14 and the second adhesive layer 15 can both adopt EVA hot melt adhesive layer.
Here, the present embodiment may provide the first adhesive layer 14 between the first transparent substrate 12 and the first surface of the liquid crystal film 11 to achieve a good integration of the first transparent substrate 12 facing the side of the liquid crystal film 11 and the first surface of the liquid crystal film 11.
Meanwhile, the present embodiment may provide the second adhesive layer 15 between the second transparent substrate 13 and the second surface of the liquid crystal film 11 to achieve better integration of the side of the second transparent substrate 13 facing the liquid crystal film 11 and the second surface of the liquid crystal film 11.
Wherein the first surface and the second surface of the liquid crystal film 11 are oppositely disposed.
In some embodiments, as shown in fig. 1 and 2, the circuit board 4 of the present embodiment includes a control board 41 and a driving board 42; the image sensor 3 is electrically connected with the control board 41, the control board 41 is electrically connected with the driving board 42, and the driving board 42 is electrically connected with the lens 1.
Specifically, the control board 41 of the present embodiment may be communicatively connected to the image sensor 3 through an MIPI interface to receive the image information collected by the image sensor 3. The control board 41 may control the output voltage of the driving board 42 through a switching signal, a PWM signal, or a UART interface, etc. to control the lens 1 to switch between the first state and the second state through the driving board 42, so as to adjust the transmittance of the lens 1 to light.
In some embodiments, as shown in fig. 2, the driving board 42 of the present embodiment is provided with a power module 421, a control module 422, and a transformer 423. The power module 421 may include a voltage stabilizing module, the voltage stabilizing module is used to be connected to an external power supply, and the control module 422 may include a single chip or a Central Processing Unit (CPU).
Specifically, the control board 41 and the power module 421 are electrically connected to the control module 422, the control module 422 is electrically connected to the primary side of the transformer 423, and the secondary side of the transformer 423 is electrically connected to the lens 1.
In practical applications, the control module 422 on the driving board 42 may selectively output a voltage signal to the transformer 423 or not according to a control command sent by the control module 422, and the transformer 423 is configured to transform the voltage signal output by the control module 422, so that the voltage output by the driving board 42 matches the control voltage required by the lens 1.
It should be noted that, in the present embodiment, the control board 41 and the driving board 42 may also be integrated, that is, the control circuit and the driving circuit may be simultaneously disposed on the circuit board 4, so as to conveniently realize the collection and processing of the image information and the control of the power-on state of the lens 1.
In some embodiments, as shown in fig. 1 and fig. 2, in order to realize an integrated design of the camera module, the camera module of the present embodiment further includes a housing 5 and a bracket 6; the housing 5 is provided with an accommodating cavity 51 and an opening 52 communicated with the accommodating cavity 51; the lens 1 is arranged in the opening 52, and the lens assembly 2 and the image sensor 3 are arranged in the accommodating cavity 51; the housing 5 is connected to a bracket 6, the bracket 6 being intended to be connected to a component to be mounted.
Specifically, the camera module of the present embodiment may be a cylindrical camera or a hemispherical camera, and the lens 1 may be detachably mounted on the housing 5 through a locking member such as a bolt or a screw at the position of the opening 52.
Meanwhile, the support 6 may be a gimbal support known in the art so as to adjust the posture of the camera module, thereby monitoring different target positions.
In some embodiments, the present embodiment further provides an electronic device, where the camera module is installed on the electronic device.
Specifically, since the electronic device includes the camera module, and the specific structure of the camera module can refer to the above embodiment, the electronic device of this embodiment includes all technical solutions of the above embodiment, and therefore at least has all the beneficial effects obtained by all the technical solutions of the above embodiment, which are not described in detail herein.
It should be noted here that, in the case that the camera module is mainly used for security monitoring, the camera module may be detachably connected to the housing of the electronic device, for example, the camera module may be detachably disposed on one side of the electronic device, so as to synchronously display the image information monitored by the camera module through the electronic device, and upload the image information to the server.
In the case that the camera module is mainly used for shooting, the camera module can be integrated in the housing of the electronic device, and the electronic device can be a mobile terminal, for example: a smart phone, a Tablet Personal Computer (Tablet Personal Computer), a Laptop Computer (Laptop Computer), a Personal Digital Assistant (PDA), a Mobile Internet Device (MID), a Wearable Device (Wearable Device), and the like, and may also be other electronic devices, such as a digital camera, an electronic book, a navigator, and the like, which are not limited in this respect.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention; such modifications or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides a module of making a video recording which characterized in that includes: a lens, a lens assembly, an image sensor and a circuit board;
the lens assembly and the image sensor are oppositely arranged, the lens is arranged on one side of the lens assembly, which is far away from the image sensor, and the circuit board is electrically connected with the lens so as to control the lens to be switched between a first state and a second state;
with the lens in the first state, light can pass through the lens and the lens assembly in sequence to the image sensor;
the lens is configured to prevent light from reaching the lens assembly through the lens when the lens is in the second state.
2. The camera module according to claim 1, wherein the lens comprises a liquid crystal film, and the circuit board is electrically connected with the liquid crystal film;
the circuit board is used for controlling the liquid crystal film to be in a power-on state so that the liquid crystal film is in a light-transmitting state, and controlling the liquid crystal film to be in a power-off state so that the liquid crystal film is in a light-shading state.
3. The camera module according to claim 2, wherein the liquid crystal film comprises a first transparent electrode layer, a liquid crystal layer, and a second transparent electrode layer;
the liquid crystal layer is clamped between the first transparent electrode layer and the second transparent electrode layer, and the circuit board is electrically connected with the first transparent electrode layer and the second transparent electrode layer respectively.
4. The camera module of claim 3, wherein the first transparent electrode layer and the second transparent electrode layer are both indium tin oxide layers.
5. The camera module of claim 2, wherein the lens further comprises a first transparent substrate and a second transparent substrate; the liquid crystal film is sandwiched between the first transparent substrate and the second transparent substrate.
6. The camera module of claim 5, wherein the lens further comprises a first adhesive layer and a second adhesive layer; the first adhesive layer is disposed between the first transparent substrate and the liquid crystal film, and the second adhesive layer is disposed between the second transparent substrate and the liquid crystal film.
7. The camera module according to any one of claims 1 to 6, wherein the circuit board comprises a control board and a driving board; the image sensor is electrically connected with the control board, the control board is electrically connected with the driving board, and the driving board is electrically connected with the lens.
8. The camera module according to claim 7, wherein the driving board is provided with a power module, a control module and a transformer;
the control panel and the power module are respectively electrically connected with the control module, the control module is electrically connected with the primary side of the transformer, and the secondary side of the transformer is electrically connected with the lens.
9. The camera module of any one of claims 1-6, further comprising a housing and a stand;
the shell is provided with an accommodating cavity and an opening communicated with the accommodating cavity; the lens is arranged in the opening, and the lens assembly and the image sensor are arranged in the accommodating cavity; the shell is connected with the bracket, and the bracket is used for being connected with a component to be installed.
10. An electronic apparatus, characterized in that the electronic apparatus is mounted with the camera module according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223008748.5U CN218888614U (en) | 2022-11-11 | 2022-11-11 | Camera module and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223008748.5U CN218888614U (en) | 2022-11-11 | 2022-11-11 | Camera module and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218888614U true CN218888614U (en) | 2023-04-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223008748.5U Active CN218888614U (en) | 2022-11-11 | 2022-11-11 | Camera module and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218888614U (en) |
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2022
- 2022-11-11 CN CN202223008748.5U patent/CN218888614U/en active Active
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