CN112822395B - Angle-adjustable underwater camera device based on magnetic coupling - Google Patents
Angle-adjustable underwater camera device based on magnetic coupling Download PDFInfo
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- CN112822395B CN112822395B CN202011612520.XA CN202011612520A CN112822395B CN 112822395 B CN112822395 B CN 112822395B CN 202011612520 A CN202011612520 A CN 202011612520A CN 112822395 B CN112822395 B CN 112822395B
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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
- H04N23/69—Control of means for changing angle of the field of view, e.g. optical zoom objectives or electronic zooming
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D3/00—Control of position or direction
- G05D3/12—Control of position or direction using feedback
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- Automation & Control Theory (AREA)
- Studio Devices (AREA)
- Structure And Mechanism Of Cameras (AREA)
- Accessories Of Cameras (AREA)
Abstract
The invention discloses an angle-adjustable underwater camera device based on magnetic coupling, which realizes power supply and signal output of a camera through non-contact electric energy and data transmission and realizes non-contact torque transmission through magnetic coupling, so that the camera can rotate at an unlimited angle while being electrified and operated. And because the camera and the base are respectively packaged, no conductor is contacted, and the use depth of the camera is not limited by the connector.
Description
Technical Field
The invention relates to an underwater camera device, in particular to an angle-adjustable underwater camera device based on magnetic coupling.
Background
If the traditional underwater camera needs to rotate an angle, an expensive tripod head needs to be matched, the cost is high, and the mode is limited by the water depth. The invention provides a novel magnetic coupling type underwater camera, which realizes power supply and signal output of the camera through non-contact electric energy and data transmission, and realizes non-contact torque transmission through magnetic coupling, so that the camera can rotate at an unlimited angle while being powered on to operate. And because the camera and the base are respectively packaged, no conductor is contacted, and the use depth of the camera is not limited by the connector.
Disclosure of Invention
Aiming at the problems in the technical scheme, the invention provides an angle-adjustable underwater camera device based on magnetic coupling.
The invention is realized by adopting the following technical scheme:
an angle-adjustable underwater camera device based on magnetic coupling comprises a base and a camera module, wherein the camera module is arranged on the base through a bearing;
the base comprises a circuit module B, a hollow motor, a rotary coupling body and a coupling magnet; the circuit module B comprises a magnetic coupling electric energy transmission and emission module, a WiFi module and a motor control circuit, the magnetic coupling electric energy transmission and emission module is used for transmitting electric energy to the camera module, the WiFi module is used for receiving image data transmitted by the camera module, the motor control circuit is used for controlling the movement of the hollow motor, a shaft of the hollow motor is fixedly connected with the rotary coupling body, and the hollow motor generates torque to drive the rotary coupling body to rotate; the coupling magnet is arranged on the rotary coupling body;
the camera module comprises a camera cabin body, a camera, a circuit module A, a rotary coupling body and a coupling magnet; the circuit module A and the camera are arranged in the camera cabin body; the circuit module A comprises a camera circuit, a magnetic coupling electric energy transmission and reception module and a WiFi module, the camera circuit is connected with a camera, and the magnetic coupling electric energy transmission and reception module is used for receiving electric energy sent by the magnetic coupling electric energy transmission and transmission module and supplying power to the circuit module A; the WiFi module realizes the communication of image data between the camera and the base; the camera module is arranged on the rotary coupling body;
the magnetic coupling electric energy transmission transmitting module and the magnetic coupling electric energy transmission receiving module form a coupler, each module comprises a coil and a magnetic core, and the coil is directly wound on the iron core; the magnetic coupling electric energy transmission sending module generates an alternating magnetic field, and a coil of the magnetic coupling electric energy transmission receiving module induces voltage through the electromagnetic induction principle so as to supply power to the circuit module A;
the coupling magnet of base and camera module's coupling magnet coaxial arrangement and polarity are opposite, and the effect is passed the moment of torsion from the base to camera module through the principle that magnet opposite poles attract, and when the rotatory coupling body of base was rotatory, camera module's rotatory coupling body also can follow the rotation.
In the above technical solution, further, the base further includes a watertight socket, and the watertight socket is used for realizing external power supply and signal transmission with a user.
Furthermore, the coupling magnets in the base are annularly arranged around the magnetic coupling electric energy transmission emission module; and the coupling magnet in the camera module is annularly arranged around the magnetic coupling electric energy transmission and receiving module.
Further, a waveguide hole is reserved on the coupler and used for electromagnetic signal transmission.
Further, the working method of the magnetic coupling-based angle-adjustable underwater camera device is as follows:
1) electrifying the base, transmitting the electric energy to the camera module through magnetic coupling, and starting the camera module to work;
2) the image information is transmitted back to the base through wifi and then transmitted to other equipment through a wired network of the base;
3) when the camera is required to rotate, the hollow motor is controlled to rotate to drive the rotary coupling body of the base to rotate, and the rotary coupling body drives the camera to rotate through magnetic force; after the hollow motor rotates to a specified angle, the hollow motor stops rotating, and the camera also stops rotating along with the rotation;
4) and repeating the process to finish shooting at different angles.
Further, in the step 3), the process of controlling the rotation of the camera by the hollow motor is specifically as follows:
the hollow motor rotates to drive the rotary coupling body of the base to rotate, the rotary coupling body drives the coupling magnet of the base to rotate, so that the coupling magnet of the camera module is driven to rotate, the coupling magnet drives the rotary coupling body of the camera module to rotate, finally, the whole camera module rotates along with the rotation, and the camera also rotates to a specified angle;
the mode of judging whether the camera reaches the specified angle is to adopt an encoder or an angle sensor.
In the invention, the camera cabin body is high-pressure resistant and waterproof, the high pressure resistance is determined according to the water depth, and the thickness of the cabin shell can be adjusted to adapt to the water depth; the hollow motor is used for generating torque, so that the rotary coupling body drives the coupling magnet to rotate, and finally the shooting angle of the camera is adjusted.
The invention has the beneficial effects that:
the angle-adjustable underwater camera device based on magnetic coupling adopts brand-new coupling power supply and coupling type torque transmission to enable the camera to rotate 360 degrees at the same time of power-up; the camera and the base are respectively packaged, and the use depth is not limited by the connector; the camera device does not need a special underwater pressure-resistant waterproof camera, and can carry a common camera.
Drawings
Fig. 1 is a structural view of the entire image pickup apparatus;
FIG. 2 is a diagram of a coupler and magnet configuration;
FIG. 3 is a diagram of a waveguide aperture for transmitting signals;
FIG. 4 is a structural view of a hollow motor, a rotary coupling body, a coupling magnet, and a coupler;
FIG. 5 is a block diagram of two modules of a coupler;
FIG. 6 shows a coaxial mating relationship between two modules of a coupler;
wherein 1 is a camera cabin body, 2 is a circuit module A, 3 is a coupler, 4 is a circuit module B, 5 is a watertight socket, 6 is a camera, 7 is a coupling magnet, 8 is a rotary coupling body, 9 is a hollow motor, 10 is a waveguide hole, 11 is a magnetic core, and 12 is a coil.
Detailed Description
The invention comprises a camera module and a base, wherein as shown in figure 1, the base transmits electric energy to the camera module through magnetic coupling for power supply and receives image information shot by a camera through high-frequency electromagnetic wave communication (WiFi). The camera module is capable of rotation relative to the base, this function being achieved by magnetically coupled torque transfer. The camera module is installed on the base through a bearing. The camera module comprises a traditional camera cabin body 1, a camera 6, a circuit module A2, a rotary coupling body 8 and a coupling magnet 7. The circuit module A2 comprises a camera circuit, a magnetic coupling electric energy transmission and reception module and a WiFi module, the camera circuit is connected with the camera 6, and the magnetic coupling electric energy transmission and reception module is used for receiving electric energy sent by the magnetic coupling electric energy transmission and transmission module and supplying power to the circuit module A2; the WiFi module realizes the communication of image data between the camera 6 and the base; the camera module is arranged on the rotary coupling body 8.
The base comprises a watertight socket, a circuit module B4, a hollow motor 9, a rotary coupling body 8 and a coupling magnet 7; the circuit module B4 comprises a magnetic coupling electric energy transmission and emission module, a WiFi module and a motor control circuit, the magnetic coupling electric energy transmission and emission module is used for transmitting electric energy to the camera module, the WiFi module is used for receiving image data transmitted by the camera module, the motor control circuit is used for controlling the hollow motor 9 to move, a hollow motor shaft is fixedly connected with the rotary coupling body 8, and the hollow motor 9 generates torque to drive the rotary coupling body 8 to rotate; the coupling magnet 7 is arranged on the rotary coupling body 8;
the magnetic coupling electric energy transmission transmitting module and the magnetic coupling electric energy transmission receiving module are coaxially arranged to form a coupler 3 (see fig. 6 in particular), each module comprises a coil and a magnetic core, and the coil is directly wound on the iron core; the magnetic coupling electric energy transmission sending module generates an alternating magnetic field, and a coil of the magnetic coupling electric energy transmission receiving module induces voltage through the electromagnetic induction principle, so that power is supplied to the circuit module A. The magnetic coupling power transmission transmitting module and the coupling magnet 7 of the base are distributed as shown in fig. 2 (the distribution is the same as that of the magnetic coupling power transmission receiving module and the coupling magnet 7 of the camera module), and the coupling magnet 7 is annularly arranged around the magnetic coupling power transmission transmitting module.
The coupling magnet of the base and the coupling magnet 7 of the camera module are coaxially arranged and have opposite polarities, and S poles and N poles are distributed in a staggered mode. When the rotary coupling body 8 rotates, the camera 6 rotates due to the magnetic force. The contactless coupling of the base and the camera module is shown in fig. 4. The end wires of the coupler 3 pass through the center of the hollow motor 9 and are connected to the electrical block B4 of fig. 5.
Fig. 5 shows a block diagram of two modules of the coupler. The iron core comprises two parts, namely an inner cylinder and an outer cylinder which are coaxially arranged, and the bottoms of the two cylinders are connected; the coil is wound on an inner cylinder.
The two modules of the coupler are fixed at their respective end positions by means of epoxy potting, leaving a waveguide aperture below the coupler, as shown in fig. 3. High frequency electromagnetic wave signals can pass through the waveguide holes and the epoxy potting layer to form a communication link.
The working process of the angle-adjustable underwater camera device based on magnetic coupling is as follows:
1. electrifying the base, transmitting the electric energy to the camera module through magnetic coupling, and starting the camera module to work;
2. the image information is transmitted back to the base through wifi and then transmitted to other equipment through a wired network of the base;
3. when the camera 6 needs to rotate, the hollow motor 9 is controlled to rotate to drive the rotary coupling body 8 to rotate, and the rotary coupling body 8 drives the camera 6 to rotate through magnetic force; after the hollow motor 9 rotates to a specified angle, the hollow motor stops rotating, and the camera 6 also stops rotating along with the rotation;
4. and repeating the process to finish shooting at different angles.
In step 3, the process of controlling the rotation of the camera by the hollow motor is as follows:
the hollow motor 9 is rotatory 8 rotatory rotary coupling bodies that will drive the base, and rotary coupling body 8 drives coupling magnet 7 and rotates to it is rotatory to drive the coupling magnet of module of making a video recording, makes 8 rotary coupling bodies of the module of making a video recording rotatory, and final whole module of making a video recording can rotate, and the camera is also along with rotatory to appointed angle.
External instruction (angle information etc.) gives circuit module B4 through the watertight socket, and circuit module B4 control hollow motor 9 is rotatory to appointed angle, also follows rotatory angle with the fixed base of rotatory coupling body 8, and rotatory coupling body 8 that drives camera module through coupling magnet 7 also follows rotatory angle to change the angle of making a video recording. After the hollow motor 9 rotates to a specified angle, the hollow motor stops rotating, and the camera 6 also stops rotating along with the rotation; the mode of judging whether the specified angle is reached is not limited, and an encoder or other convenient angle sensors can be used.
Claims (5)
1. An angle-adjustable underwater camera device based on magnetic coupling is characterized by comprising a base and a camera module, wherein the camera module is arranged on the base through a bearing;
the base comprises a circuit module B, a hollow motor, a rotary coupling body and a coupling magnet; the circuit module B comprises a magnetic coupling electric energy transmission and emission module, a WiFi module and a motor control circuit, the magnetic coupling electric energy transmission and emission module is used for transmitting electric energy to the camera module, the WiFi module is used for receiving image data transmitted by the camera module, the motor control circuit is used for controlling the movement of the hollow motor, a shaft of the hollow motor is fixedly connected with the rotary coupling body, and the hollow motor generates torque to drive the rotary coupling body to rotate; the coupling magnet is arranged on the rotary coupling body;
the camera module comprises a camera cabin body, a camera, a circuit module A, a rotary coupling body and a coupling magnet; the circuit module A and the camera are arranged in the camera cabin body; the circuit module A comprises a camera circuit, a magnetic coupling electric energy transmission and reception module and a WiFi module, the camera circuit is connected with a camera, and the magnetic coupling electric energy transmission and reception module is used for receiving electric energy sent by the magnetic coupling electric energy transmission and transmission module and supplying power to the circuit module A; the WiFi module realizes the communication of image data between the camera and the base; the camera module is arranged on the rotary coupling body;
the magnetic coupling electric energy transmission transmitting module and the magnetic coupling electric energy transmission receiving module are coaxially arranged to form a coupler together, each module comprises a coil and a magnetic core, and the coil is directly wound on the iron core; the magnetic coupling electric energy transmission sending module generates an alternating magnetic field, and a coil of the magnetic coupling electric energy transmission receiving module induces voltage through the electromagnetic induction principle so as to supply power to the circuit module A;
the coupling magnet of the base and the coupling magnet of the camera module are coaxially arranged and have opposite polarities; the coupling magnets in the base are annularly arranged around the magnetic coupling electric energy transmission and emission module; and the coupling magnet in the camera module is annularly arranged around the magnetic coupling electric energy transmission and receiving module.
2. The magnetically-coupled, angle-adjustable underwater imaging device as claimed in claim 1, wherein the base further comprises a watertight socket for external power supply and signal transmission to and from a user.
3. The magnetically-coupled, angle-adjustable underwater imaging device according to claim 1, wherein a waveguide hole is left in the coupler for electromagnetic signal transmission.
4. The magnetically-coupled angle-adjustable underwater image pickup apparatus according to any one of claims 1 to 3, wherein the operation method is as follows:
1) electrifying the base, transmitting the electric energy to the camera module through magnetic coupling, and starting the camera module to work;
2) the image information is transmitted back to the base through wifi and then transmitted to other equipment through a wired network of the base;
3) when the camera is required to rotate, the hollow motor is controlled to rotate to drive the rotary coupling body of the base to rotate, and the rotary coupling body drives the camera to rotate through magnetic force; after the hollow motor rotates to a specified angle, the hollow motor stops rotating, and the camera also stops rotating along with the rotation;
4) and repeating the process to finish shooting at different angles.
5. The magnetically-coupled angle-adjustable underwater image pickup device according to claim 4, wherein in the step 3), the process of controlling the rotation of the camera by the hollow motor is as follows:
the hollow motor rotates to drive the rotary coupling body of the base to rotate, the rotary coupling body drives the coupling magnet of the base to rotate, so that the coupling magnet of the camera module is driven to rotate, the coupling magnet drives the rotary coupling body of the camera module to rotate, finally, the whole camera module rotates along with the rotation, and the camera also rotates to a specified angle;
the mode of judging whether the camera reaches the specified angle is to adopt an encoder or an angle sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011612520.XA CN112822395B (en) | 2020-12-30 | 2020-12-30 | Angle-adjustable underwater camera device based on magnetic coupling |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011612520.XA CN112822395B (en) | 2020-12-30 | 2020-12-30 | Angle-adjustable underwater camera device based on magnetic coupling |
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| CN112822395A CN112822395A (en) | 2021-05-18 |
| CN112822395B true CN112822395B (en) | 2022-01-25 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105450265A (en) * | 2015-11-10 | 2016-03-30 | 浙江大学 | Underwater signal electrical-coupling non-contact type bi-directional transmission connector |
| CN205415657U (en) * | 2016-03-17 | 2016-08-03 | 天津超智海洋科技有限公司 | Underwater camera |
| CN110881434A (en) * | 2019-11-29 | 2020-03-17 | 上海埃威航空电子有限公司 | Offshore deepwater aquaculture system with wireless charging monitoring function |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7071591B2 (en) * | 2003-01-02 | 2006-07-04 | Covi Technologies | Electromagnetic circuit and servo mechanism for articulated cameras |
| US7711322B2 (en) * | 2005-06-15 | 2010-05-04 | Wireless Fibre Systems | Underwater communications system and method |
| KR20110114057A (en) * | 2010-04-12 | 2011-10-19 | 삼성전자주식회사 | Stereo camera module and method for driving thereof |
| CN107991831A (en) * | 2017-12-07 | 2018-05-04 | 真善美创新科技有限公司 | Underwater photography equipment |
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2020
- 2020-12-30 CN CN202011612520.XA patent/CN112822395B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105450265A (en) * | 2015-11-10 | 2016-03-30 | 浙江大学 | Underwater signal electrical-coupling non-contact type bi-directional transmission connector |
| CN205415657U (en) * | 2016-03-17 | 2016-08-03 | 天津超智海洋科技有限公司 | Underwater camera |
| CN110881434A (en) * | 2019-11-29 | 2020-03-17 | 上海埃威航空电子有限公司 | Offshore deepwater aquaculture system with wireless charging monitoring function |
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Inventor after: Zhang Feng Inventor after: Ning Yang Inventor after: Jin Bo Inventor before: Zhang Feng Inventor before: Ning Yang |
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