CN113295148B

CN113295148B - Remote sea wave observation method based on shore optical wave meter

Info

Publication number: CN113295148B
Application number: CN202110612092.9A
Authority: CN
Inventors: 萧庆锐; 于建军; 刘忠民; 杨智勇; 李德鑫; 王大瑞
Original assignee: Yantai Perceptual Line Intelligent Technology Co ltd; State Oceanic Administration People's Republic Of China Yantai Marine Environmental Monitoring Center Station
Current assignee: Yantai Perceptual Line Intelligent Technology Co ltd; State Oceanic Administration People's Republic Of China Yantai Marine Environmental Monitoring Center Station
Priority date: 2021-06-02
Filing date: 2021-06-02
Publication date: 2022-06-07
Anticipated expiration: 2041-06-02
Also published as: CN113295148A

Abstract

The invention relates to the technical field of ocean monitoring, in particular to a remote sea wave observation method based on an optical wave meter for shore. The electronic eyepiece device and the electronic dial monitoring device are additionally arranged on the wave meter, so that the observation picture of the wave meter can be remotely observed; the electric device for controlling the left-right rotation function of the wave meter is additionally arranged, so that the remote left-right rotation control function of the wave meter is realized, and the inconvenience that the traditional wave meter needs to frequently reach an observation site for testing by manpower is solved. Meanwhile, the invention also realizes the automatic reading function of the dial data through the automatic image processing technology, and the use is more convenient.

Description

Remote sea wave observation method based on shore optical wave meter

Technical Field

The invention relates to the technical field of ocean monitoring, in particular to a remote sea wave observation method based on an optical wave meter for shore.

Background

Currently, the marine hydrological observation industry commonly uses a "shore optical wavemeter" (hereinafter referred to as a wavemeter) to observe sea conditions, wave patterns and wave directions (hereinafter referred to as 3 elements) of sea waves by manual visual observation. The wave meter is shown in fig. 1, wherein: 1 is a lens cone, 2 is a manual knob, 3 is a base, 4 is an ocular lens, and 5 is a dial (scales are not shown). During observation, sea surface waveforms are observed through the ocular, the orientation of the ocular is adjusted through the manual knob, and the actual orientation numerical value corresponding to the ocular is read through the dial, so that 3-element manual observation is realized.

Since the sixth and seventies of the last century, the use of wave detectors has been extended to manual observation. That is, the wave meter is fixed to an indoor work platform on duty close to the seaside, and the wave meter is manually operated to read 3-factor data. Due to the high observation frequency, the operators on duty need to go to the duty room for controlling the wave measuring instrument for a plurality of times every day, which wastes time and labor. In order to solve the problem, the invention designs a remote sea wave observation method based on an optical wave meter for shore.

Disclosure of Invention

The technical principle comprises the following steps: the invention designs a remote wave measuring system which can realize remote control of a wave measuring instrument. The method comprises the steps of controlling a wave meter to rotate left and right in the horizontal direction, remotely obtaining wave-measuring real-time video images (including sea surface images seen by an eyepiece and dial images of the wave meter), measuring wave direction elements by reading dial azimuth data, measuring sea conditions and wave type elements by watching the sea surface images, and having the functions of data recording, statistics, analysis and the like.

The technical scheme is as follows: the wave meter comprises the following components: lens cone, manual knob, base, eyepiece, calibrated scale. The invention is characterized in that the remote wave measuring function is realized by upgrading the wave measuring instrument. Namely, an electronic eyepiece is additionally arranged on the eyepiece, a video camera is additionally arranged on the dial to read the azimuth scale value, and an electric knob mechanism is additionally arranged on the manual knob. The method comprises the following specific steps:

1. the electronic eyepiece mechanism includes: the electronic eyepiece bracket is fixedly connected to the circumferential outer circular surface of the lens cone and has an L-shaped section; an eyepiece camera support is fixedly connected to the transverse plate of the bracket; a camera is mounted on the brace and aimed at the eyepiece.

2. The electronic dial mechanism includes: the dial plate camera support is fixedly connected below the electronic eyepiece support transverse plate; and a dial camera is arranged on the support and is aligned with the dial.

3. The electric knob mechanism includes: the motor support and the limit switch support are fixedly connected to the upper end face of the dial and are aligned to the center of the dial; a left limit switch contact and a right limit switch contact are fixedly connected to the circumferential outer circular surface of the base; the motor support is provided with a motor, the axial direction of the motor is consistent with the axial direction of the manual knob, and a motor shaft is connected with the manual knob through a coupler; a left limit switch and a right limit switch are installed on the limit switch support and are located in a triggerable range above contacts of the left limit switch and the right limit switch, and the contacts of the left limit switch and the right limit switch are arranged at left limit positions and right limit positions when the wave meter rotates.

(III) remote control

The controller connected with the remote monitoring center through a network is connected with the motor controller, the ocular lens camera and the dial lens camera are connected with the controller through a USB interface or a network interface, and the left limit switch and the right limit switch are connected with an IO interface of the controller; the motor is connected to a motor controller.

The remote monitoring center receives video signals from the eyepiece camera and the dial camera through the controller and sends a left-right rotation instruction to the motor through the controller and the motor controller; after the controller receives the trigger signals of the left and right limit switches, the motor controller sends a signal for stopping rotation to the motor, but the motor controller does not prevent the motor from rotating in the opposite direction. The controller is a raspberry pie.

The remote monitoring center is provided with digital image processing software to automatically read the dial data from the video signal from the dial camera. And the video signals from the ocular lens camera and the dial scale camera are collected, processed, stored, counted and analyzed.

Compared with the existing using method of the wave meter, the invention realizes the remote observation of the observation picture of the wave meter by additionally arranging the electronic eyepiece device and the electronic dial monitoring device on the wave meter; the electric device for controlling the left-right rotation function of the wave meter is additionally arranged, so that the remote left-right rotation control function of the wave meter is realized, and the inconvenience that the traditional wave meter needs to frequently reach an observation site for testing by manpower is solved. Meanwhile, the invention also realizes the automatic reading function of the dial data through the automatic image processing technology, and the use is more convenient.

Drawings

Fig. 1 is a schematic structural diagram of a conventional wave meter.

Fig. 2 is a schematic structural diagram of the improved wave meter of the invention.

Fig. 3 is a schematic view of another aspect of the present invention.

Fig. 4 is a control flow diagram of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The invention will be further explained with reference to the drawings.

The remote sea wave observation method based on the optical wave meter for the shore shown in fig. 1-4 is upgraded and modified on the basis of the wave meter. The wave meter comprises the following components: the lens barrel comprises a lens barrel 1, a manual knob 2, a base 3, an ocular 4 and a dial 5. An electronic eyepiece mechanism 6 is additionally arranged on the eyepiece 4, an electronic dial mechanism 7 is additionally arranged on the dial 5, and an electric knob mechanism 8 is additionally arranged on the manual knob 2.

1. The electronic eyepiece mechanism 6 includes: an electronic eyepiece bracket 60 which is fixedly connected to the circumferential outer circular surface of the lens cone 1 and has an L-shaped section; an eyepiece camera support 63 is fixedly connected to a transverse plate of the electronic eyepiece bracket 60 in front of the eyepiece 4; an eyepiece camera 62 is arranged on the eyepiece camera support 63; the eyepiece lens 61 of the eyepiece camera 62 is aligned with the eyepiece 4.

2. The electronic dial mechanism 7 includes: a dial camera support 70 fixedly connected below the transverse plate of the electronic eyepiece bracket 60; the dial camera support 70 is provided with a dial camera 71; the dial lens 72 of the dial camera 71 is aligned with the scale on the dial 5.

3. The electric knob mechanism 8 includes: a motor support 80 and a limit switch support 83 which are fixedly connected on the upper end surface of the dial 5 are oppositely arranged relative to the center of the dial 5; left and right limit switch contacts 86 and 87 are fixedly connected to the circumferential outer circular surface of the base 3 respectively; a motor 81 with the axial direction consistent with the axial direction of the manual knob 2 is arranged on the motor support 80; the motor shaft is connected with a manual knob 2 through a coupler 82; the limit switch holder 83 is provided with left and right limit switches 84 and 85, respectively, which are installed in a triggerable range above left and right limit switch contacts 86 and 87.

4. The left and right limit switch contacts 86 and 87 are located at left and right limit positions of the wave meter when the wave meter rotates, so that the wave meter is prevented from being out of rotation and damaging a cable of the wave meter. When the limit switch reaches the upper part of the contact, a limit signal is triggered and sent to the controller so as to send a stop instruction to the motor controller, and the motor controller controls the motor to stop rotating. The working principle of the right limit switch is the same.

(II) connection, control and signal transmission

1. The motor controller is connected with a controller of a remote monitoring center through a network; the eyepiece camera 62 and the dial camera 71 are connected to the controller through a USB interface or a network interface, and in this embodiment, a USB interface mode is adopted; the left limit switch 84 and the right limit switch 85 are connected to an IO interface of the controller; the motor 81 is connected to a motor controller;

2. the remote monitoring center can receive video signals from the eyepiece camera 62 and the dial camera 71 through the controller, and send left-right rotation instructions to the motor 81 through the controller and the motor controller. After receiving the trigger signal of the left and right limit switches 84 or 85, the controller sends a signal to the motor 81 through the motor controller to stop rotating, but does not prevent the motor from rotating in the opposite direction. The motor is powered by mains supply, and can be powered by the photovoltaic power generation device when no mains supply exists. The controller and the motor controller convert the power supply of the commercial power or the photovoltaic power generation device into a low-voltage direct-current power supply through the power supply converter. The controller is a raspberry pie.

3. The remote monitoring center can collect, process, store, count and analyze the video signals from the eyepiece camera 62 and the dial camera 71. Digital image processing software is installed in the remote monitoring center, and dial data can be automatically read out through video signals of the dial camera 71.

4. According to the remote wave measuring system, the electronic eyepiece device and the electronic dial monitoring device are additionally arranged on the wave measuring instrument, so that the observation picture of the wave measuring instrument can be remotely watched; the electric control device is additionally arranged, so that the remote left-right rotation control function of the wave meter is realized, and the inconvenience that the traditional wave meter needs to frequently reach an observation site for testing is solved. Meanwhile, the invention also realizes the automatic reading function of the dial data by an automatic image processing technology, and is more convenient to use.

The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any manner. Those skilled in the art can make many possible variations or modifications to the invention using the methods and techniques disclosed above, or to modify equivalent embodiments without departing from the scope of the invention. Therefore, any simple modification, equivalent replacement, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are still within the scope of the protection of the technical solution of the present invention.

Claims

1. Remote sea wave observation method based on optical wave meter for bank comprises the wave meter, wherein the wave meter comprises a lens cone (1), a manual knob (2), a base (3), an eyepiece (4) and a dial (5), and is characterized in that: an electronic eyepiece mechanism (6) is additionally arranged on the eyepiece (4), an electronic dial mechanism (7) is additionally arranged on the dial (5), and an electric knob mechanism (8) is additionally arranged on the manual knob (2);

the electronic eyepiece mechanism (6) comprises an electronic eyepiece support (60) which is fixedly connected to the circumferential outer circular surface of the lens cone (1) and has an L-shaped cross section, an eyepiece camera support (63) is fixedly connected to a transverse plate of the electronic eyepiece support (60) in front of the eyepiece (4), an eyepiece camera (62) is mounted on the eyepiece camera support (63), and an eyepiece lens (61) of the eyepiece camera (62) is aligned with the eyepiece (4);

the electronic dial mechanism (7) comprises a dial camera support (70) fixedly connected below a transverse plate of the electronic eyepiece support (60), a dial camera (71) is mounted on the dial camera support (70), and a dial lens (72) of the dial camera (71) is aligned with scales on the dial (5);

the electric knob mechanism (8) comprises a motor support (80) and a limit switch support (83) which are fixedly connected to the upper end face of the dial (5), the motor support (80) and the limit switch support (83) are oppositely arranged relative to the center of the dial (5), and a left limit switch contact (86) and a right limit switch contact (87) are fixedly connected to the circumferential outer circular surface of the base (3); a motor (81) with the axial direction consistent with the axial direction of the manual knob (2) is arranged on the motor support (80), and a motor shaft of the motor (81) is connected with the manual knob (2) through a coupler (82); the limit switch support (83) is provided with a left limit switch (84) and a right limit switch (85), and the left limit switch (84) and the right limit switch (85) are respectively positioned in a triggerable range above a left limit switch contact (86) and a right limit switch contact (87).

2. A remote ocean wave observation method based on an optical wave meter for shore according to claim 1, wherein: the left limit switch contact (86) and the right limit switch contact (87) are respectively positioned at the left limit position and the right limit position when the wave meter rotates.

3. A remote ocean wave observation method based on an optical wave meter for shore according to claim 1, wherein: the controller is connected with the motor controller, the eyepiece camera (62) and the dial plate camera (71) are connected into the controller through a USB interface or a network interface, and the left limit switch (84) and the right limit switch (85) are connected into an IO interface of the controller; the motor (81) is connected to the motor controller; the remote monitoring center can receive video signals from the eyepiece camera (62) and the dial camera (71) through the controller and send a left-turn or right-turn instruction to the motor (81) through the controller and the motor controller; and after receiving the trigger signal of the left limit switch (84) or the right limit switch (85), the controller sends a signal for stopping rotation to the motor (81) through the motor controller but does not prevent the motor from rotating in the opposite direction.

4. A remote ocean wave observation method based on an optical wave meter for shore according to claim 3, wherein: the controller is a raspberry pie.