CN115575895A - Measuring device and method for underwater acoustic positioning acoustic system - Google Patents
Measuring device and method for underwater acoustic positioning acoustic system Download PDFInfo
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- CN115575895A CN115575895A CN202211343244.0A CN202211343244A CN115575895A CN 115575895 A CN115575895 A CN 115575895A CN 202211343244 A CN202211343244 A CN 202211343244A CN 115575895 A CN115575895 A CN 115575895A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/18—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using ultrasonic, sonic, or infrasonic waves
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- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Abstract
The invention relates to a measuring device and a method for an underwater acoustic positioning acoustic system, wherein the measuring device is tightly assembled on a ship body through a deck fixing device, and the measuring device comprises: the power unit comprises a lifting motor, and a lifting motor base is arranged on a matched fixed support; the acoustic target placing box is connected with the lifting motor through a steel cable and a pulley block, and a water surface induction sensor is arranged in the acoustic target placing box; and the PLC control module is connected with the control ends of the water surface induction sensor and the lifting motor respectively through buses. The method of the measuring device comprises starting, descending and counting to a preset position. The measuring device is convenient to carry and easy to install, and is provided with a deck fixing device; and the measuring method can realize all operations by only one person through the PLC, thereby not only saving manpower, but also greatly improving the accuracy of measured values.
Description
Technical Field
The invention relates to an acoustic system measurement technology, in particular to a measuring device and a measuring method for an underwater acoustic positioning acoustic system.
Background
With the rapid development of underwater acoustic technology in recent decades, acoustic systems applied to underwater acoustic positioning and measurement have become general acoustic measurement devices. Because the acoustic system measuring device of the acoustic system is low in cost, simple and reliable, the acoustic system measuring device is widely applied to acoustic system testing, target simulation and other acoustic tests. Therefore, it is of practical significance to study and improve the measurement mode of the acoustic system. When the test platform works, a plurality of staff are required to manually operate, so that the problem of inaccurate measured value is solved, and therefore, a new acoustic system measuring device needs to be improved or provided.
Disclosure of Invention
In order to solve the above technical problems, the measuring device of the underwater acoustic positioning acoustic system according to the present invention is fastened and assembled to a hull through a deck fixing device, and includes:
the power unit comprises a lifting motor, and a lifting motor base is arranged on a matched fixed support;
the acoustic target placing box is connected with the lifting motor through a steel cable and a pulley block, and a water surface induction sensor is arranged in the acoustic target placing box;
and the PLC control module is respectively connected with the water surface induction sensor and the control end of the lifting motor through buses.
In one embodiment of the invention, the top end of the fixed bracket is provided with a rotating arm, and the straight line of the rotating arm is vertically assembled with the side surface of the fixed bracket.
In one embodiment of the invention, the output shaft of the lifting motor is provided with a transmission structure of a gear toothed belt, and the toothed belt is connected with the steel cable.
In one embodiment of the invention, the pulley block comprises two groups of fixed pulleys, wherein the two groups of fixed pulleys are arranged at two ends of the length direction of the rotating arm.
The underwater acoustic positioning acoustic system measuring device method is designed based on the measuring device, uses a PLC control module as a center, is linked with a vertical descending limit travel switch, a water surface induction sensor and a lifting motor which are arranged underwater and on the water surface, realizes the depth adjustment of the transponder, and comprises the following steps:
step S1: starting, rotating the lifting motor forwards, descending the acoustic target placing box, starting at T0 and triggering the water surface position sensor, namely, when the previous program is finished, stopping the operation of the lifting motor;
step S2: after the acoustic target placing box reaches the water surface position, entering the next step, pressing a working advance button, starting the descending motor again, starting T1 at the same time, and delaying for 3 seconds;
and step S3: after 3 seconds, T1 triggers C0, and when the counting number of the counter is 20 times, the initial position of the preset measurement is reached.
In one embodiment of the present invention, before C0 satisfies the condition of counting 20 times, the descending motor is returned to the stopped state, and the working in button is pressed again to be waited for, and the cycle is repeated again.
Compared with the prior art, the technical scheme of the invention has the following advantages: the measuring device is convenient to carry and easy to install, is provided with the deck fixing device, can be fastened on a ship body, can still operate even if being bumpy by wind waves, and improves the reliability of test work under severe sea conditions; and the measuring method can realize all operations by only one person through the PLC, thereby not only saving manpower, but also greatly improving the accuracy of measured values. The depth of the responder can be adjusted according to actual needs according to different sea conditions and different hydrological conditions in the measuring mode, and the measuring precision and the working efficiency are improved.
Drawings
In order that the present disclosure may be more readily and clearly understood, reference will now be made in detail to the present disclosure, examples of which are illustrated in the accompanying drawings.
FIG. 1 is a schematic structural diagram of an underwater acoustic positioning acoustic system measuring device of the present invention;
FIG. 2 is a schematic structural view of a gear belt meshing diagram of the output end of the elevator motor according to the present invention;
fig. 3 is a PLC program diagram of the work function in the method of the measuring apparatus for an underwater acoustic positioning acoustic system according to the present invention.
As shown in the figure, the device comprises a lifting motor 1, a lifting motor 2, a fixed support 3, a sound target placing box 4, a rotating arm 5, a pulley block 6, a steel cable 7 and a gear toothed belt.
Detailed Description
As shown in fig. 1, the present embodiment provides a measuring device for an underwater acoustic positioning acoustic system, the measuring device is fastened and assembled on a ship hull by a deck fixing device, and the measuring device comprises:
the power unit comprises a lifting motor 1, and a base of the lifting motor 1 is arranged on a matched fixed support 2;
the acoustic target placing box 3 is connected with the lifting motor 1 through a steel cable 6 and a pulley block 5, and meanwhile, a water surface induction sensor is arranged in the acoustic target placing box 3;
and the PLC control module is respectively connected with the water surface induction sensor and the control end of the lifting motor 1 through buses.
During the process of putting and using the acoustic system, the device is designed to have a work-in function of measuring once every 2 meters and a manual function of manually putting to a required depth position for measurement.
The top end of the fixed bracket 2 is provided with a rotating arm 4, and the straight line of the rotating arm 4 is vertically assembled with the side surface of the fixed bracket 2.
As shown in fig. 2, the output shaft of the elevator motor 1 is provided with a transmission structure of a gear toothed belt 7, and the toothed belt is connected with a steel cable 6. According to actual measurement requirements, the parameters of the gear can be set, changed and moved to a certain number of teeth, and each required underwater position can be reached.
The pulley block 5 comprises two groups of fixed pulleys, wherein the two groups of fixed pulleys are arranged at two ends of the length direction of the rotating arm 4.
The underwater acoustic positioning acoustic system measuring device method is based on the measuring device design, uses the PLC control module group as the center, and links the vertical descending limit travel switch, the water surface induction sensor and the lifting motor 1 which are arranged under water and on the water surface, and realizes the depth adjustment of the transponder, as shown in figure 3, and comprises the following steps:
step S1: starting, rotating the lifting motor 1 forwards, descending the acoustic target placing box 3 to work, starting at T0 (the time delay relay 1) and triggering the water surface position sensor, namely, the lifting motor 1 stops running after the previous program is finished;
step S2: after the acoustic target placing box 3 reaches the water surface position, the next step is carried out, a working feed button is pressed, the descending motor is started again, and meanwhile, T1 (a delay relay 2) is started to carry out 3 seconds of delay; wherein, the acoustic system descends for 3 seconds and 2 meters each time through calculation;
and step S3: after 3 seconds, T1 triggers C0 (counter), and when the count number of the counter is 20, the initial position of the predetermined measurement is reached.
Because there is the installation environment variability to lead to the distance of mounting platform to the surface of water to need according to operating condition adjustment, so increased surface of water inductive transducer and monitored on acoustic system measuring device's rack. And (5) when the front setting program is finished, lowering the acoustic system to the water surface position. The sub-routine of the work advance function is immediately entered by pressing the work advance button.
Before the C0 (counter) meets the condition of counting for 20 times, the descending motor is recovered to a stopped state, the working-in button is waited to be pressed again, and the cycle is repeated again; meanwhile, the working progress button is manually pressed, and the working conditions of the acoustic system in the current water area and position can be observed in the period of time.
PLC control module group include master control operation panel and main control system, the integration has a plurality of input buttons and switch pilot lamp on the master control operation panel wherein, main control system adopts board to carry the finished product, the master control operation panel wherein corresponds the input form, as shown in the following table:
in the acoustic system measuring device, in the operation process, the acoustic system launching progress display and the work progress function can enable measuring personnel to know various parameters such as the current state, the depth and the like of the transponder in detail, so that the underwater measuring and testing capability is greatly improved.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. And obvious variations or modifications of the invention may be made without departing from the spirit or scope of the invention.
Claims (6)
1. Measurement device of acoustic system is fixed a position to underwater sound, and measurement device passes through deck fixing device fastening and assembles in the hull, its characterized in that includes:
the power unit comprises a lifting motor (1), and a base of the lifting motor (1) is arranged on a matched fixed support (2);
the acoustic target placing box (3) is connected with the lifting motor (1) through a steel cable (6) and a pulley block (5), and meanwhile, a water surface induction sensor is arranged in the acoustic target placing box (3);
and the PLC control module is respectively connected with the control ends of the water surface induction sensor and the lifting motor (1) through buses.
2. The measurement device of claim 1, wherein: the top end of the fixed support (2) is provided with a rotating arm (4), and the straight line of the rotating arm (4) is vertically assembled with the side surface of the fixed support (2).
3. The measurement device of claim 1, wherein: the output end shaft of the lifting motor (1) is provided with a transmission structure of a gear toothed belt (7), and the toothed belt is connected with the steel cable (6).
4. The measuring device according to claim 1 or 2, characterized in that: the pulley block (5) comprises two groups of fixed pulleys, wherein the two groups of fixed pulleys are arranged at two ends of the length direction of the rotating arm (4).
5. An underwater acoustic positioning acoustic system measuring device method is designed based on the measuring device of claims 1-4, and based on a PLC control module as a center, a vertical descending limit travel switch, a water surface induction sensor and a lifting motor (1) which are arranged under water and on a water surface in a linkage manner are used for realizing the depth adjustment of a transponder, and the method is characterized in that: the method comprises the following steps:
step S1: starting, positively rotating the lifting motor (1), descending the sound target placing box (3) to work, starting at T0 and triggering the water surface position sensor, namely, when the previous program is finished, stopping the operation of the lifting motor (1);
step S2: after the acoustic target placing box (3) reaches the position of the water surface, entering the next step, pressing a working feed button, starting the descending motor again, starting the T1 at the same time, and delaying for 3 seconds;
and step S3: t1 triggers C0 after 3 seconds, and when the counting number of the counter is 20 times, the initial position of the preset measurement is reached.
6. The measurement device method according to claim 5, characterized in that: and before the condition that C0 meets the count for 20 times, the state is recovered to the descending motor stop state, the working process button is waited to be pressed again, and the cycle is repeated again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211343244.0A CN115575895A (en) | 2022-10-31 | 2022-10-31 | Measuring device and method for underwater acoustic positioning acoustic system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211343244.0A CN115575895A (en) | 2022-10-31 | 2022-10-31 | Measuring device and method for underwater acoustic positioning acoustic system |
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| CN115575895A true CN115575895A (en) | 2023-01-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116819444A (en) * | 2023-07-17 | 2023-09-29 | 中国海洋大学 | Accurate underwater sound positioning method based on iteration depth fine adjustment |
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2022
- 2022-10-31 CN CN202211343244.0A patent/CN115575895A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116819444A (en) * | 2023-07-17 | 2023-09-29 | 中国海洋大学 | Accurate underwater sound positioning method based on iteration depth fine adjustment |
| CN116819444B (en) * | 2023-07-17 | 2024-04-05 | 中国海洋大学 | Accurate underwater sound positioning method based on iteration depth fine adjustment |
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