CN106332851B - Portable fishery acoustic equipment auxiliary calibration device and calibration method thereof - Google Patents
Portable fishery acoustic equipment auxiliary calibration device and calibration method thereof Download PDFInfo
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- CN106332851B CN106332851B CN201610934033.2A CN201610934033A CN106332851B CN 106332851 B CN106332851 B CN 106332851B CN 201610934033 A CN201610934033 A CN 201610934033A CN 106332851 B CN106332851 B CN 106332851B
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K97/00—Accessories for angling
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- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The invention discloses a portable auxiliary calibrating device for fishery acoustic equipment and a calibrating method thereof, wherein the device comprises a fixed frame, a frustum-shaped support, four elastic ropes, four fishing lines and a calibrating small ball, the fixed frame is fixed at the top of the frustum-shaped support and is used for fixing an acoustic probe, one end of each elastic rope is connected with the positions, distributed at equal intervals, on the periphery of the bottom of the frustum-shaped support, the other end of each elastic rope is connected with the calibrating small ball in a gathering manner, and the calibrating small ball is fixed at the central position of the bottom of the frustum-shaped support; one end of each fishing line is also converged and connected with the calibration small ball, and the other end of each fishing line extends to the upper part of the fixed frame along the equal-interval distribution part on the frustum-shaped bracket; the calibration device uses a bracket with a certain weight to fix the acoustic probe and the calibration small ball, so that the influence of water flow on equipment can be reduced; the calibration ball is fixed on the bracket by an elastic rope, and can automatically reset under the action of the elastic force.
Description
Technical Field
The invention relates to a portable fishery acoustic equipment auxiliary calibration device and a calibration method thereof.
Background
Each fishery acoustic device is calibrated in the field at certain periods to obtain more accurate target data (TS, SV, etc.). The quality of the device calibration depends on the orientation and depth of a calibration sphere of fixed diameter in the body of water. In the ocean current environment, the accurate control is difficult to realize due to factors such as ocean current and surge, and in the case, the control can only be carried out in real time according to the environment, so that a lot of manpower and time are consumed, and the efficiency is low. Therefore, how to efficiently finish the calibration work of the equipment in the complex marine environment with high quality becomes an urgent problem to be solved in the application of fishery acoustic equipment.
Disclosure of Invention
The invention aims to provide a portable fishery acoustic equipment auxiliary calibration device with high stability and high adaptability and a calibration method thereof aiming at the defects of the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows: a portable auxiliary calibrating device for fishery acoustic equipment comprises a fixing frame, a frustum-shaped support, four elastic ropes, four fishing lines and a calibrating small ball, wherein the frustum-shaped support is a frustum-shaped support, the fixing frame is fixed to the top of the frustum-shaped support and is used for fixing an acoustic probe, one end of each elastic rope is connected with the four equally-spaced parts on the periphery of the bottom of the frustum-shaped support, the other end of each elastic rope is connected with the calibrating small ball in a gathering manner, and the calibrating small ball is fixed to the central position of the bottom of the frustum-shaped support; one end of each fishing line is also converged and connected with the calibration small ball, and the other end of each fishing line extends to the upper part of the fixing frame along four equal parts at intervals on the frustum-shaped bracket.
The frustum-shaped support comprises a rigid connecting steel column and at least three steel rings with different diameters, wherein the steel column is connected to the corresponding equal distribution parts on the steel rings.
And the middle of the fixing frame is provided with a mounting hole matched with the acoustic probe connecting rod.
The fishing line passing position is provided with a proper amount of line buckle rings, so that the fishing line cannot deviate from the designed path, the line buckle rings are circular ring objects fixed on the connecting steel columns or the steel rings, and the fishing line sequentially passes through the line buckle rings.
The calibration method of the auxiliary calibration device of the portable fishery acoustic equipment comprises the following steps:
firstly, pulling a first fishing line, and pulling the calibration small balls to the four equal-part interval positions on the periphery of the bottom of the frustum-shaped support through which the first fishing line passes; releasing the first fishing line pulled firstly, and repeatedly and alternately pulling the second and third fishing lines adjacent to the first fishing line in the releasing process to realize the movement of the calibration small ball in two quadrants of the area where the first, second and third fishing lines are located and complete the detection of the two quadrants on one side; the second and third fishing lines are released, and the calibration ball automatically resets under the action of the elastic force of the elastic rope;
then pulling the fourth fishing line to the four equally spaced positions on the periphery of the bottom of the frustum-shaped bracket through which the fourth fishing line passes; and releasing the fourth fishing line, repeatedly and alternately pulling the second and third fishing lines in the releasing process to finish the detection of two quadrants at the other side, releasing the pulled second and third fishing lines, automatically resetting the calibration ball under the action of the elastic force of the elastic rope, and finally finishing the calibration.
Furthermore, the tracks formed by the movement of the calibration ball in each quadrant are uniformly distributed.
The invention has the following positive effects:
1. the invention connects the calibration ball of the acoustic equipment to the steel ring with certain weight, and can reduce the influence of water flow on the orientation of the ball. Meanwhile, the elastic rope on the steel ring can effectively return the calibration small ball to the central point position in the non-operation state.
2. The invention connects the acoustic probe and the frustum-shaped bracket through the fixing frame, ensures the stability of the whole device, and effectively ensures the isotropy of the frustum-shaped bracket and the acoustic probe by utilizing the rigidity characteristic of the connecting steel column.
3. The invention adopts steel rings with different diameters to make the frustum-shaped bracket, can ensure the frustum-shaped detection area of sound waves, and simultaneously effectively reduces the impact of water flow on the frustum-shaped bracket. And can accomodate frustum shape support stack, reduce the space and occupy, conveniently carry.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of the calibration method of the present invention.
Detailed Description
The invention is further described below with reference to examples.
As shown in figure 1, the invention comprises a fixed frame 1, a frustum-shaped bracket, an elastic rope 5, a fishing line 8 and a calibration ball 4. The fixed frame 1 and the frustum-shaped bracket are both made of stainless steel. The frustum-shaped support comprises rigid connecting steel columns 6 and three steel rings 3 with different diameters, the steel rings 3 are sequentially fixed in parallel from large to small, four connecting steel columns 6 are sequentially connected with four equal parts of each steel ring 3 in a fixing mode, and one section of fixing frame 1 for fixed connection extends vertically upwards from the four connecting steel columns 6 on the steel ring 3 with the smallest diameter. The middle of the fixing frame 1 is provided with a mounting hole matched with the acoustic probe connecting rod for fixing the acoustic probe 7. In the steel ring 3 with the maximum diameter, one ends of four elastic ropes 5 are crossed and connected with calibration pellets 4, the other ends of the four elastic ropes 5 are respectively connected with four equal parts of the steel ring 3, the calibration pellets 4 are fixed at the central position of the steel ring 3, and the calibration pellets 4 can automatically return to the central position under the action of the elastic ropes 5. And a wire retaining ring 2 is fixed at the joint of the connecting steel column 6 and the steel ring 3 and the joint of the fixing frame 1 and the frustum-shaped bracket, and the wire retaining ring 2 is a circular ring object. In addition, four fishing lines 8 are connected with the calibration ball 4 at one end, and extend to the hand of an operator above the fixed frame 1 along the elastic rope 5 and the connecting steel column 6 sequentially through the line retaining ring 2, and the line retaining ring 2 prevents the fishing lines 8 from deviating from the designed path.
Before the device calibration is carried out by using the device, the fixed frame 1, the frustum-shaped bracket, the elastic rope 5, the fishing line 8 and the calibration ball 4 are installed, and the acoustic probe 7 is fixed on the fixed frame 1. After the installation, fix the end of the fishing line 8 above the fixed mount 1, slowly put the part of the frustum-shaped bracket into the water, the length of the fishing line 8 is determined according to the specific environment, generally about 15 meters is preferred.
Fig. 2 shows a schematic diagram of the calibration process of the present invention, and fig. 2 shows: the device comprises a periphery 14 of a steel ring 3 at the bottom of the frustum-shaped support, a four-equal-interval position 9 of the periphery 14 at the bottom of the frustum-shaped support, through which a first fishing line passes, a four-equal-interval position 10 of the periphery 14 at the bottom of the frustum-shaped support, through which a second fishing line passes, a four-equal-interval position 11 of the periphery 14 at the bottom of the frustum-shaped support, through which a third fishing line passes, a four-equal-interval position 12 of the periphery 14 at the bottom of the frustum-shaped support, through which a fourth fishing line passes, a calibration small ball 4, an elastic rope 5 and a calibration path 13, through which the calibration small ball 4 passes. The fishing line 8 is not visible in figure 2, as the fishing line 8 will be located all the way down the bungee 5.
In order to realize the uniform point distribution and detection of four quadrants in a detection area, the specific calibration process comprises the following steps: firstly, pulling a first fishing line, and pulling the calibration small balls 4 to the four equal-part interval positions 9 of the bottom periphery 14 of the frustum-shaped bracket through which the first fishing line passes; releasing the first fishing line pulled firstly, and repeatedly and alternately pulling the second and third fishing lines adjacent to the first fishing line in the releasing process to realize the movement of the calibration small ball in two quadrants of the area where the first, second and third fishing lines are located and complete the detection of the two quadrants on one side; the second and third fishing lines are released, and the calibration small ball 4 is automatically reset under the action of the elastic force of the elastic rope 5.
Then pulling the fourth fishing line to the four equal-part interval positions 12 on the periphery of the bottom of the frustum-shaped bracket through which the fourth fishing line passes; and releasing the fourth fishing line, repeatedly and alternately pulling the second and third fishing lines in the releasing process to finish the detection of two quadrants at the other side, releasing the pulled second and third fishing lines, automatically resetting the calibration small ball 4 under the action of the elastic force of the elastic rope 5, and finally finishing the calibration.
During calibration, the trajectories formed by the movement of the calibration beads 4 in the quadrants are distributed as uniformly as possible, and the calibration paths 13 traversed by the calibration beads 4 are as dense as possible.
The present invention may be embodied in other specific forms without departing from its spirit or essential characteristics. The above-described embodiments of the present invention are to be considered as illustrative and not restrictive, and all changes and modifications that come within the spirit of the invention and the scope of the appended claims are intended to be embraced therein.
Claims (6)
1. A portable auxiliary calibrating device for fishery acoustic equipment is characterized by comprising a fixing frame, a frustum-shaped support, four elastic ropes, four fishing lines and a calibrating small ball, wherein the frustum-shaped support is a frustum-shaped support, the fixing frame is fixed at the top of the frustum-shaped support and is used for fixing an acoustic probe, one end of each elastic rope is connected with four equally spaced parts on the periphery of the bottom of the frustum-shaped support, the other end of each elastic rope is connected with the calibrating small ball in a gathering manner, and the calibrating small ball is fixed at the central position of the bottom of the frustum-shaped support; one end of each fishing line is also converged and connected with the calibration small ball, and the other end of each fishing line extends to the upper part of the fixing frame along four equal parts at intervals on the frustum-shaped bracket.
2. The auxiliary calibrating device for portable fishery acoustic equipment according to claim 1, wherein the frustum-shaped bracket comprises a rigid connecting steel column and at least three steel rings with different diameters, wherein the steel column is connected to the corresponding equal-interval distribution parts on the steel rings.
3. The auxiliary calibration device of the portable fishery acoustic equipment according to claim 1, wherein a mounting hole matched with the acoustic probe connecting rod is formed in the middle of the fixing frame.
4. The auxiliary calibrating device for portable fishery acoustic equipment according to claim 2, wherein a line retaining ring is arranged at the approach of the fishing line, the line retaining ring is distributed and fixed on the connecting steel column or the steel ring, and the fishing line sequentially passes through the line retaining ring.
5. The method of claim 1 for calibrating a portable fishery acoustic device-assisted calibration apparatus, comprising:
firstly, pulling a first fishing line, and pulling the calibration small balls to the four equal-part interval positions of the periphery of the bottom of the frustum-shaped support through which the first fishing line passes; releasing the first fishing line pulled firstly, and repeatedly and alternately pulling the second and third fishing lines adjacent to the first fishing line in the releasing process to realize the movement of the calibration small ball in two quadrants of the area where the first, second and third fishing lines are located, thereby completing the detection of two quadrants at one side; the second and third fishing lines are released, and the calibration ball automatically resets under the action of the elastic force of the elastic rope;
then pulling the fourth fishing line to the four equal parts of the interval positions on the periphery of the bottom of the frustum-shaped bracket through which the fourth fishing line passes; and releasing the fourth fishing line, repeatedly and alternately pulling the second and third fishing lines in the releasing process to finish the detection of two quadrants at the other side, releasing the pulled second and third fishing lines, automatically resetting the calibration ball under the action of the elastic force of the elastic rope, and finally finishing the calibration.
6. The calibration method of the auxiliary calibration device of the portable fishery acoustic equipment according to claim 5, wherein: the tracks formed by the movement of the calibration balls in each quadrant are uniformly distributed.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620878707 | 2016-08-12 | ||
| CN2016208787077 | 2016-08-12 |
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| Publication Number | Publication Date |
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| CN106332851A CN106332851A (en) | 2017-01-18 |
| CN106332851B true CN106332851B (en) | 2022-01-07 |
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|---|---|---|---|
| CN201621164128.2U Withdrawn - After Issue CN206227418U (en) | 2016-08-12 | 2016-10-31 | A kind of portable fishery acoustic equipment auxiliary calibration device |
| CN201610934033.2A Active CN106332851B (en) | 2016-08-12 | 2016-10-31 | Portable fishery acoustic equipment auxiliary calibration device and calibration method thereof |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201621164128.2U Withdrawn - After Issue CN206227418U (en) | 2016-08-12 | 2016-10-31 | A kind of portable fishery acoustic equipment auxiliary calibration device |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN206227418U (en) * | 2016-08-12 | 2017-06-09 | 中国水产科学研究院南海水产研究所 | A kind of portable fishery acoustic equipment auxiliary calibration device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4430883A (en) * | 1981-02-02 | 1984-02-14 | U.S. Philips Corporation | Device for the calibration of an ultrasonic transducer |
| CN202661083U (en) * | 2012-07-18 | 2013-01-09 | 黄河水利委员会山东水文水资源局 | Sound velocity corrector of depth sounder |
| CN203204178U (en) * | 2013-04-22 | 2013-09-18 | 中国水产科学研究院东海水产研究所 | Simple standard object correcting device for acoustic detector |
| CN206227418U (en) * | 2016-08-12 | 2017-06-09 | 中国水产科学研究院南海水产研究所 | A kind of portable fishery acoustic equipment auxiliary calibration device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IL54667A (en) * | 1977-06-10 | 1981-05-20 | Westinghouse Electric Corp | Ultrasonic calibration assembly |
| CN104569988B (en) * | 2015-01-30 | 2017-12-12 | 长江水利委员会水文局 | The bearing calibration of big water-depth measurement is carried out using echo depth sounding |
-
2016
- 2016-10-31 CN CN201621164128.2U patent/CN206227418U/en not_active Withdrawn - After Issue
- 2016-10-31 CN CN201610934033.2A patent/CN106332851B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4430883A (en) * | 1981-02-02 | 1984-02-14 | U.S. Philips Corporation | Device for the calibration of an ultrasonic transducer |
| CN202661083U (en) * | 2012-07-18 | 2013-01-09 | 黄河水利委员会山东水文水资源局 | Sound velocity corrector of depth sounder |
| CN203204178U (en) * | 2013-04-22 | 2013-09-18 | 中国水产科学研究院东海水产研究所 | Simple standard object correcting device for acoustic detector |
| CN206227418U (en) * | 2016-08-12 | 2017-06-09 | 中国水产科学研究院南海水产研究所 | A kind of portable fishery acoustic equipment auxiliary calibration device |
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| Publication number | Publication date |
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| CN206227418U (en) | 2017-06-09 |
| CN106332851A (en) | 2017-01-18 |
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