CN220891549U

CN220891549U - Camera support for monitoring water bloom

Info

Publication number: CN220891549U
Application number: CN202322508505.6U
Authority: CN
Inventors: 刘海秋; 姚建恩; 冯金赢; 高彦伟; 江朝晖; 沈春山; 马慧敏; 褚刚秀
Original assignee: Anhui Agricultural University AHAU
Current assignee: Anhui Agricultural University AHAU
Priority date: 2023-09-14
Filing date: 2023-09-14
Publication date: 2024-05-03
Anticipated expiration: 2033-09-14

Abstract

The utility model discloses a camera bracket for monitoring water bloom, which comprises the following components: the fixing frame is rotationally connected with two screws; the movable seat is in threaded connection with the two screw rods, and a motor I is fixedly arranged on the movable seat; the control shaft is rotationally connected with the movable seat, and a spur gear II is fixedly arranged on the control shaft; the movable seat is symmetrically and rotatably connected with the driving shafts on two sides of the control shaft, one driving shaft is connected with the first motor, the driving shaft is fixedly provided with the first spur gear, and the first spur gear is meshed with the first motor; the first straight gears are fixedly provided with the arc racks, and the second straight gears are optionally meshed with one arc rack; the camera bracket for monitoring the water bloom can change the angle of the camera to enable the camera to rotate within a certain angle range, can continuously drive the camera to swing back and forth, enables the shooting range of the camera to be larger, and realizes video monitoring of the lake cyanobacteria bloom within a large field of view.

Description

Camera support for monitoring water bloom

Technical Field

The utility model relates to the field of monitoring of cyanobacteria bloom in lakes, in particular to a camera bracket for monitoring bloom.

Background

As a large amount of nutrient substances such as nitrogen, phosphorus and the like in industrial wastewater, domestic sewage and farmland runoff are discharged into the lake, the water body is seriously eutrophicated, and algae are rapidly propagated. The utility model provides a camera bracket for monitoring water bloom, which is used for carrying out large-scale observation on the water bloom of a lake.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides a camera bracket for monitoring the water bloom, and provides a video monitoring mode based on a mobile acquisition method to realize video monitoring of the lake blue algae water bloom in a large field of view, while the prior art only acquires the fixed position of the bank water body, the acquisition field of view is smaller, and the lake blue algae water bloom is difficult to observe in a large range.

The aim of the utility model can be achieved by the following technical scheme:

A camera support for monitoring water bloom, comprising:

The fixing frame is rotationally connected with two screws; the screw is driven by a belt;

The movable seat is in threaded connection with the screw rod; the movable seat is fixedly provided with a first motor;

The control shaft is rotationally connected with the movable seat; the control shaft is fixedly provided with a spur gear II; the control shaft is used for fixedly mounting a camera;

the movable seat is symmetrically and rotationally connected with the driving shaft at two sides of the control shaft; one of the drive shafts is connected with the first motor; the driving shaft is fixedly provided with a straight gear I; the first spur gears are meshed with each other, so that the steering directions of the two driving shafts are opposite;

the first straight gear is fixedly provided with the arc-shaped rack; the second spur gear is selectively meshed with one arc-shaped rack; the second straight gear is meshed with one arc-shaped rack firstly, then meshed with the other arc-shaped rack after the meshing is finished, and the actions are repeated; because the arc racks are arranged on the meshed first straight gears, the steering directions of the two arc racks are opposite, and the second straight gears do reciprocating rotation;

When the camera is used, the camera is arranged on the control shaft, the two screws are driven to rotate, and the screws drive the movable seat to move along the axial direction of the screws through threads, so that the position of the camera is changed;

When the angle of the camera needs to be adjusted, a motor drives a driving shaft to rotate, the steering directions of the two driving shafts are opposite, the steering directions of the fixed arc racks are opposite, and when the arc racks are meshed with the second spur gear, the two arc racks drive the second spur gear to steer oppositely, so that the control shaft drives the camera to swing reciprocally in an angle range; the first mode is to change the angle of the camera to enable the camera to rotate within a certain angle range, so that the wires are prevented from winding; secondly, can continuously drive the reciprocal swing of camera for the shooting scope of camera is bigger.

The noun, conjunctive or adjective parts referred to in the above technical solutions are explained as follows:

The fixed connection in the application refers to connection without any relative movement after parts or components are installed; the common way is to fix the parts together by using screw, spline, wedge pin, etc., the connection way can be disassembled during maintenance and the parts can not be damaged, and the way can also be called as detachable fixed connection; in addition, the parts and components can not be used secondarily in such a way as welding, riveting, tenon passing and matching and the like, and the parts and components can not be disassembled in the way of forging, sawing or oxygen cutting during maintenance or replacement. The rotating connection in the application is the connection that the parts or components are installed and then the parts generate relative rotation motion relative to the fixed parts, and the common mode is that the bearings are installed on the fixed parts, the parts are installed on the inner ring or the outer ring of the bearings, and the bearings are utilized to complete the rotation motion. The sliding connection in the present application is a connection in which the component can be moved on the fixing member after the component or the part is mounted.

In some embodiments, the fixing frame is fixedly provided with a second motor; the second motor is connected with one screw rod; the screw rods are fixedly provided with synchronous pulleys I; and the first synchronous belt pulley is connected through a synchronous belt.

In some embodiments, the fixed frame is rotatably connected with a rotary shaft; the rotary shaft is fixedly provided with a synchronous belt pulley II; the synchronous belt pulley II is connected with the synchronous belt pulley I through a synchronous belt; the fixing frame is fixedly provided with a conductive slip ring; the rotary shaft is provided with a rotary table; the turntable is wound with an electric wire; one end of the electric wire is connected with the movable seat; the other end of the electric wire penetrates through the rotating shaft to be connected with the conductive slip ring.

In some embodiments, the mount is slidably coupled with an adjustment plate; the adjusting plate is fixedly connected with the adjusting seat; the adjusting plates are uniformly distributed with adjusting holes; the fixing frame is provided with a mounting hole; the mounting hole is connected with one adjusting hole through a screw.

In some embodiments, a solar panel is fixedly mounted on top of the mount.

The application also discloses water bloom monitoring equipment, which comprises:

A shift module fixedly installed in the target monitoring area; the displacement module comprises the camera bracket for monitoring the water bloom;

The camera module is fixedly connected with the control shaft; the camera module is used for shooting a target monitoring area;

The image splicing module is fixedly connected with the movable seat; the image stitching module receives the shooting images from the camera module and stitches the shooting images into a large-view-field image;

The blue water bloom recognition module is fixedly connected with the movable seat; the blue water bloom recognition module receives the large-view-field image; the blue water bloom recognition module recognizes the bloom condition of the large-view-field image;

the storage module is fixedly connected with the movable seat; the storage module stores image information and identification information of the camera module, the image splicing module and the blue water bloom identification module;

The central control module is fixedly connected with the movable seat; the central control module sends control signals to the shifting module, the camera module, the image splicing module, the blue water bloom recognition module and the storage module.

In some embodiments, the camera module includes a camera and a high-speed image acquisition card.

In some embodiments, the movable seat is fixedly provided with a GPS module.

In some embodiments, the movable seat is fixedly provided with an internet of things module.

In some embodiments, the movable seat is fixedly provided with a power module; the power module comprises an energy storage unit, a direct current output unit and a voltage stabilizing unit.

The utility model has the beneficial effects that:

The utility model provides a video monitoring mode based on a mobile acquisition method, which realizes video monitoring of lake cyanobacterial bloom in a large visual field range, and the prior art only acquires a fixed position of a shore water body, the acquisition visual field is smaller, and large-scale observation of the lake cyanobacterial bloom is difficult. The power supply model is adopted to realize the conversion from solar energy to direct current of 5V and 12V, and power is supplied to each module, so that the problem of field power supply is solved.

Drawings

The utility model is further described below with reference to the accompanying drawings.

FIG. 1 is a schematic diagram of a module structure of the present application;

FIG. 2 is a schematic perspective view of the present application;

fig. 3 is a schematic view of the bottom structure of the present application.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "open," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like indicate orientation or positional relationships, merely for convenience in describing the present utility model and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Referring to fig. 1 to 3, a camera bracket for monitoring water bloom includes:

A fixing frame 1 which is rotatably connected with two screws 2; the screw 2 is driven by a belt;

The movable seat 3 is in threaded connection with the screw rod 2; the movable seat 3 is fixedly provided with a motor I4;

a control shaft 5 rotatably connected to the movable base 3; the control shaft 5 is fixedly provided with a spur gear II 6; the control shaft 5 is used for fixedly mounting a camera 21;

The driving shaft 7, the movable seat 3 is symmetrically and rotatably connected with the driving shaft 7 at two sides of the control shaft 5; one drive shaft 7 is connected with the motor one 4; the driving shaft 7 is fixedly provided with a spur gear I8; the first spur gears 8 are meshed with each other, so that the steering directions of the two driving shafts 7 are opposite;

The arc-shaped racks 9, wherein the arc-shaped racks 9 are fixedly arranged on the straight gears 8; the second spur gear 6 is optionally meshed with an arc-shaped rack 9; the second straight gear 6 is meshed with one arc-shaped rack 9 firstly, and then meshed with the other arc-shaped rack 9 after the meshing is finished, and the actions are repeated; the arc racks 9 are arranged on the meshed straight gears 8, so that the two arc racks 9 are opposite in steering, and the straight gears 6 are in reciprocating rotation;

When the camera 21 is used, the camera 21 is arranged on the control shaft 5, the two screws 2 are driven to rotate, and the screws 2 drive the movable seat 3 to move along the axial direction of the screws 2 through threads, so that the position of the camera 21 is changed;

When the angle of the camera 21 needs to be adjusted, the first motor 4 drives the driving shafts 7 to rotate, the steering directions of the two driving shafts 7 are opposite, the steering directions of the fixed arc racks 9 are opposite, and when the arc racks 9 are meshed with the second spur gears 6, the two arc racks 9 drive the second spur gears 6 to steer oppositely, so that the control shaft 5 drives the camera 21 to swing reciprocally in an angle range; the first way is to change the angle of the camera 21 to rotate within a certain angle range, so as to prevent the wire 15 from winding; secondly, can continuously drive the camera 21 to swing reciprocally, make the shooting scope of the camera 21 bigger.

The belt drive of the present application is a mechanical drive that utilizes a flexible belt that is tensioned over a pulley for movement or power transmission. According to the different driving principles, there are friction belt driving driven by friction force between the belt and the belt wheel, and synchronous belt driving driven by the belt and the teeth on the belt wheel engaged with each other. Of course, other modes can be adopted to carry out the replacement belt transmission, such as a mode of adopting a chain wheel and a chain, or adopting a gear set to connect the two screw rods 2 for synchronous rotation;

In some embodiments, the fixing frame 1 is fixedly provided with a second motor 10; the second motor 10 is connected with a screw rod 2; the screw rods 2 are fixedly provided with synchronous pulleys I11; the synchronous pulley I11 is connected through a synchronous belt; the second motor 10 drives the screw rod 2 to rotate, and the screw rod 2 synchronously rotates under the action of the synchronous belt and the synchronous belt pulley.

In some embodiments, the fixing frame 1 is rotatably connected with a rotary shaft 12; the rotary shaft 12 is fixedly provided with a synchronous pulley II 13; the synchronous pulley II 13 is connected with the synchronous pulley I11 through a synchronous belt; the fixed frame 1 is fixedly provided with a conductive slip ring 16; the rotary shaft 12 is provided with a rotary disk 14; the turntable 14 is wound with an electric wire 15; one end of the electric wire 15 is connected with the movable seat 3; the other end of the electric wire 15 passes through the rotary shaft 12 and is connected with the conductive slip ring 16; when the screw rod 2 drives the movable seat 3 to move, the rotary shaft 12 realizes synchronous rotation through the synchronous pulley II 13 and the synchronous belt, so that the electric wire 15 on the rotary table 14 is released, and one end of the electric wire 15 is arranged on the movable seat 3 and is used for supplying power to equipment in the movable seat 3; the guiding slip ring is used for preventing the electric wire 15 from twisting off in the rotating process, and the guiding slip ring is connected with an external power supply to supply power to the electric wire 15.

In some embodiments, the mount 1 is slidably connected with an adjustment plate 17; the adjusting plate 17 is fixedly connected with the adjusting seat 18; the adjusting plate 17 is uniformly provided with adjusting holes; the fixing frame 1 is provided with a mounting hole; the mounting hole is connected with an adjusting hole through a screw 19, the adjusting plate 17 and the fixing frame 1 can be adjusted according to the requirement, and then the adjusting plate is fixed through the screw 19, so that the height of the fixing frame 1 is changed.

In some embodiments, a solar panel 20 is fixedly installed on the top of the fixing frame 1, the solar panel 20 converts light energy into electric energy, the solar panel 20 can be connected with a power supply device, and the power supply device on the movable seat 3 is powered through the conductive slip ring 16.

The water bloom monitoring apparatus provided by the utility model is further described below with reference to the accompanying drawings and embodiments.

A bloom monitoring apparatus comprising:

A shift module fixedly installed in the target monitoring area; the displacement module comprises the camera bracket for monitoring the water bloom; the second motor 10 is controlled to drive the screw rod 2 to rotate, and the movable seat 3 and the camera 21 are driven to move; the shift module further includes an encoder and a controller; the encoder records the angular displacement of the motor, and the controller receives the encoder information and converts the encoder information into the movement displacement of the camera 21;

The camera module is fixedly connected with the control shaft 5; the camera module is used for shooting the target monitoring area; the camera module comprises a camera 21 and a high-speed image acquisition card; the camera 21 shoots a target water body for multiple times along with the movement, obtains multiple images, temporarily stores the images in a high-speed image acquisition card and transmits the images to an image splicing module;

The image splicing module is fixedly connected with the movable seat 3; the method comprises the steps of receiving a plurality of images acquired by a camera module, splicing the images into a large-view-field image by using an image splicing algorithm, and transmitting the large-view-field image to a blue water bloom recognition module;

The blue water bloom recognition module is fixedly connected with the movable seat 3; the blue water bloom recognition module receives a large-view-field image; extracting blue water bloom by using a blue water bloom recognition algorithm, calculating the area of the blue water bloom, and transmitting the large-view-field image and the area of the blue water bloom to a storage module;

The storage module is fixedly connected with the movable seat 3; the storage module stores image information and identification information of the camera module, the image splicing module and the blue water bloom identification module;

The central control module is fixedly connected with the movable seat 3; the central control module sends control signals to the shifting module, the camera module, the image splicing module, the blue water bloom recognition module and the storage module.

In some embodiments, the movable seat 3 is fixedly provided with a GPS module, and the GPS module calculates the position information of the camera 21 and transmits the position information to the storage module.

In some embodiments, the movable seat 3 is fixedly provided with an internet of things module, and the internet of things module periodically transmits the large-view-field image, the cyanobacteria bloom area data and the GPS position information in the storage module to the cloud.

In some embodiments, the movable seat 3 is fixedly provided with a power module; the power supply module comprises an energy storage unit, a direct current output unit and a voltage stabilizing unit; the energy storage unit is connected with the solar panel 20 and provides direct current of 5V and 12V for other modules, so that automatic power in the field is realized.

Specifically, the detection process of the water bloom monitoring equipment comprises the following steps:

The first step: according to the angle of view of the camera 21, the shooting position of the camera 21 is defined, a shooting position set P= [ P ₁,p₂,p₃,…,p_n ] is formed, and the shooting position set is stored in the shift module;

And a second step of: the power supply module outputs stable direct current power supplies of 5V and 12V to supply power to other modules, after the system is electrified, the control module initializes all the modules, the initial position of the camera 21 is detected, if the initial position of the camera 21 is not equal to the shooting position p ₁, the third step is carried out, namely the shift module is started; if the initial position of the camera 21 is equal to the shooting position p ₁, entering a fourth step, namely entering an automatic shooting mode by the system;

And a third step of: starting a shifting module, wherein a controller controls a second motor 10 to rotate to drive a screw rod 2 to rotate, so that a movable seat 3 drives a camera 21 to translate below, an encoder records the angular displacement of the second motor 10, the controller receives the angular displacement information of the encoder, converts the angular displacement information into the movement displacement of the camera 21, the movement displacement of the camera 21 and the initial position of the camera 21 are added to obtain the current position of the camera 21, and when judging whether the current position of the camera 21 is equal to p ₁, if the current position of the camera 21 is equal to p ₁, the controller stops the rotation of the second motor 10 and enters a fourth step; otherwise, the second motor 10 continuously rotates; in this process, the camera 21 can be driven to swing reciprocally through the first motor 4 to enlarge the shooting area of the camera 21, that is, the first motor 4 drives the driving shafts 7 to rotate, the two driving shafts 7 turn oppositely, the fixed arc-shaped racks 9 turn oppositely, when the arc-shaped racks 9 are meshed with the second spur gear 6, the two arc-shaped racks 9 drive the second spur gear 6 to turn oppositely, and the control shaft 5 drives the camera 21 to swing reciprocally in an angle range.

Fourth step: in an automatic shooting mode, firstly, a camera module is started to shoot a lake region, an image I ₁ corresponding to a shooting position p ₁ is obtained, and the image I ₁ is temporarily stored in a high-speed image acquisition card;

Fifth step: the controller controls the second motor 10 to rotate and drives the screw rod 2 to rotate, so that the movable seat 3 drives the camera 21 to translate below, the encoder records the angular displacement of the second motor 10, the controller receives the angular displacement information of the encoder, converts the angular displacement information into the movement displacement of the camera 21, the movement displacement of the camera 21 is added with the initial position of the camera 21 to obtain the current position of the camera 21, and when judging whether the current position of the camera 21 is equal to p ₂, if the current position of the camera 21 is equal to p ₂, the controller stops the rotation of the second motor 10 and enters a sixth step; otherwise, the second motor 10 continuously rotates; in this process, the camera 21 can be driven to swing reciprocally through the first motor 4 to enlarge the shooting area of the camera 21, that is, the first motor 4 drives the driving shafts 7 to rotate, the two driving shafts 7 turn oppositely, the fixed arc-shaped racks 9 turn oppositely, when the arc-shaped racks 9 are meshed with the second spur gear 6, the two arc-shaped racks 9 drive the second spur gear 6 to turn oppositely, and the control shaft 5 drives the camera 21 to swing reciprocally in an angle range.

Sixth step: starting a camera module to shoot a lake region, acquiring an image I ₂ corresponding to a shooting position p ₂, and temporarily storing the image I ₂ in a high-speed image acquisition card;

seventh step: and by analogy, respectively acquiring an image set I= [ I ₁,I₂,I₃,…,I_n ] corresponding to the shooting position set P= [ P ₁,p₂,p₃,…,p_n ], temporarily storing the image set I in a high-speed image acquisition card, and transmitting the image set I to an image splicing module;

Eighth step: starting an image stitching module, stitching the image set I into a large-view-field image I _Σ by utilizing a characteristic-based image stitching algorithm, and transmitting the large-view-field image I _Σ to a blue water bloom recognition module;

Ninth step: starting a blue water bloom recognition module, extracting blue water bloom by using a blue water bloom recognition algorithm based on a visible light image, calculating the area of the blue water bloom, and transmitting a large-view-field image and the area of the blue water bloom to a storage module;

Tenth step: starting the GPS module, calculating the position information of the camera 21, and transmitting the position information to the storage module

Eleventh step: and starting the Internet of things module, and transmitting the large-view-field image, the cyanobacteria bloom area data and the GPS position information in the storage module to the cloud.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. A camera support for monitoring of water bloom, its characterized in that includes:

The fixing frame (1) is rotatably connected with two screws (2); the screw (2) is driven by a belt;

the movable seat (3) is in threaded connection with the screw rod (2); the movable seat (3) is fixedly provided with a motor I (4);

A control shaft (5) which is rotatably connected with the movable seat (3); the control shaft (5) is fixedly provided with a spur gear II (6);

The driving shaft (7) is symmetrically and rotatably connected with the movable seat (3) at two sides of the control shaft (5); one of the drive shafts (7) is connected with the motor one (4); the driving shaft (7) is fixedly provided with a straight gear I (8); the first spur gears (8) are meshed with each other;

The first straight gears (8) are fixedly provided with the arc-shaped racks (9); the spur gear II (6) is selectively meshed with one arc-shaped rack (9).

2. The camera bracket for monitoring water bloom as in claim 1, wherein the fixed frame (1) is fixedly provided with a motor II (10); the second motor (10) is connected with one screw (2); the screw rods (2) are fixedly provided with synchronous pulleys I (11); and the first synchronous pulley (11) is connected through a synchronous belt.

3. Camera support for monitoring water bloom as in claim 2, characterized in that the fixed frame (1) is rotatably connected with a swivel shaft (12); the rotary shaft (12) is fixedly provided with a synchronous pulley II (13); the synchronous pulley II (13) is connected with the synchronous pulley I (11) through a synchronous belt; the fixing frame (1) is fixedly provided with a conductive slip ring (16); the rotary shaft (12) is provided with a rotary table (14); the turntable (14) is wound with an electric wire (15); one end of the electric wire (15) is connected with the movable seat (3); the other end of the electric wire (15) passes through the rotary shaft (12) and is connected with the conductive slip ring (16).

4. A camera support for monitoring water bloom as in claim 3, characterized in that the fixed frame (1) is slidingly connected with an adjusting plate (17); the adjusting plate (17) is fixedly connected with the adjusting seat (18); the adjusting plates (17) are uniformly distributed with adjusting holes; the fixing frame (1) is provided with a mounting hole; the mounting hole is connected with one of the adjusting holes by a screw (19).

5. Camera support for monitoring water bloom as in claim 4, characterized in that the top of the fixing frame (1) is fixedly provided with a solar panel (20).