CN114041437B - Device and method for recording opening and closing activities of bivalve shells in real time - Google Patents

Device and method for recording opening and closing activities of bivalve shells in real time Download PDF

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Publication number
CN114041437B
CN114041437B CN202111291348.7A CN202111291348A CN114041437B CN 114041437 B CN114041437 B CN 114041437B CN 202111291348 A CN202111291348 A CN 202111291348A CN 114041437 B CN114041437 B CN 114041437B
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titanium alloy
bivalve
opening
recording
shell
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CN114041437A (en
Inventor
王晓通
宋宏策
魏磊
田德阳
陈熙
谢超依
陈晓
王晓娜
黄宝玉
刘雅琼
张美溦
韩怡静
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Ludong University
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Ludong University
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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
    • A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
    • A01K63/003—Aquaria; Terraria
    • 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
    • A01K61/00—Culture of aquatic animals
    • A01K61/50—Culture of aquatic animals of shellfish
    • A01K61/54—Culture of aquatic animals of shellfish of bivalves, e.g. oysters or mussels
    • 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
    • A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
    • A01K63/003—Aquaria; Terraria
    • A01K63/006—Accessories for aquaria or terraria
    • 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
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/06—Systems determining position data of a target
    • G01S17/08—Systems determining position data of a target for measuring distance only
    • 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/481—Constructional features, e.g. arrangements of optical elements
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81—Aquaculture, e.g. of fish

Abstract

The invention discloses a device and a method for recording the opening and closing shell movement of bivalve shellfish in real time, wherein the device comprises a laser ranging module and a titanium alloy black coating baffle plate, the inner wall of the upper part of the titanium alloy black coating baffle plate on the right side is fixedly connected with the laser ranging module, the upper end of an elastic metal sheet is fixedly connected with a silica gel fixed block, silica gel attaching blocks are fixedly connected below the inner wall of a telescopic titanium alloy rod wall, and the center of the lower end of the elastic metal sheet is fixedly connected with a bottom fixed station. The device is convenient for the real-time recording of the opening and closing shell activity of the bivalve shellfish through the laser ranging module, and avoids the problem that the opening and closing shell activity of the bivalve shellfish can not be accurately monitored. The invention not only changes the situation that the open and close activities of the bivalve shellfish cannot be observed in the traditional form, but also ensures the long-time monitoring under the condition that the normal life activities of the bivalve shellfish are not influenced.

Description

Device and method for recording opening and closing activities of bivalve shells in real time
Technical Field
The invention relates to the technical field of bivalve shellfish, in particular to a device and a method for recording opening and closing activities of bivalve shellfish in real time.
Background
The metabolic activities of the bivalve shellfish, such as food intake, respiration and the like, are all carried out by opening and closing the shells of the bivalve shellfish, and the metabolic activities of the bivalve shellfish are carried out by keeping the open state of the shells in most of time under normal environment. And once the external environment changes, such as the increase of water pollutants, the deterioration of water quality and the like, the bivalve shellfish can resist the influence of the external environment on the bivalve shellfish through the self shell closing activity.
For the crassostrea gigas open-close shell activity monitoring, a measuring element is usually directly attached to a shell portion of a crassostrea gigas. However, the surfaces of the shells of the bivalve shellfish are usually uneven, the measurement results are greatly affected by the diversity of appearance forms, and the response of the bivalve shellfish to environmental changes cannot be accurately measured. Meanwhile, the adhesion of the measuring element on the shell part of the bivalve shellfish interferes the normal life activity of the bivalve shellfish to a certain degree, the opening and closing activities of the bivalve shellfish cannot be accurately monitored, and the problem that the telescopic adjustment of the synchronous size cannot be carried out by the telescopic titanium alloy rods on the left side and the right side still exists.
Disclosure of Invention
The invention aims to provide a method and a device for recording the opening and closing activities of bivalve shells in real time, which aim to solve the problem that the opening and closing activities of the bivalve shells cannot be accurately monitored in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a device of two shell shellfish switching shell activities of real-time recording, includes laser rangefinder module and titanium alloy black coating baffle, right side the upper portion inner wall rigid coupling of titanium alloy black coating baffle has the laser rangefinder module, the equal rigid coupling of lower extreme of titanium alloy black coating baffle has scalable titanium alloy pole, the lower part clearance fit of scalable titanium alloy pole has scalable titanium alloy pole wall, the lower part of scalable titanium alloy pole wall all links to each other with the elastic metal piece is fixed, the upper end rigid coupling of elastic metal piece has the silica gel fixed block, the equal rigid coupling in inner wall below of scalable titanium alloy pole wall has silica gel laminating piece, the lower extreme center and the bottom fixed station of elastic metal piece are fixed and link to each other.
Preferably, the equal rigid coupling in outer wall top of scalable titanium alloy pole has the buckle, the rear portion and the slider of buckle rotate and link to each other, the inside of slider all slides and links to each other has the guide rail, the both sides end of guide rail all links to each other with the diaphragm is fixed, the lower extreme center rigid coupling of diaphragm has the montant, the lower part of montant slides and links to each other has the stand, the lower extreme and the bottom fixed station of stand are fixed and link to each other.
Preferably, the inner sides of the outer walls of the silica gel fitting block and the silica gel fixing block are tightly fitted with double shells.
Preferably, the left side and the right side of the inner part of the transverse plate are both provided with grooves.
Preferably, the inner part of the groove is connected with the sliding block in a sliding way.
The method for recording the opening and closing activities of the bivalve shellfish in real time by using the device comprises the following steps:
(1) fixing the bivalve shellfish: the device for recording the opening and closing activities of the bivalve shells in real time is used, firstly, the bivalve shells to be measured are placed in the central part of a fixed module of the device, the vertical state of the bivalve shells is maintained by using a silica gel fixed block, and the silica gel attaching blocks at the corresponding positions of the bivalve shells are adjusted to ensure that the left and right bivalve shells are tightly combined with the silica gel attaching blocks 5;
(2) real-time recording of opening and closing shell activities:
after the fixation is finished, the device is placed at the water bottom, the telescopic titanium alloy rod 3 of the adjusting device keeps the laser ranging module above the water surface, the titanium alloy black coating baffles on the left side and the right side of the bivalve shell are pushed open once each opening and closing of the bivalve shell move outwards once, and the opening and closing activities of the bivalve shell can be recorded in real time through the laser ranging module.
Preferably, the real-time recording of the opening and closing activities of the bivalve shells is mainly based on a laser ranging form of a laser ranging module. The method is based on the principle of Time of Flight (ToF) to record the opening and closing shell activities of bivalve shellfish in real Time, namely, the distance of a target object is obtained by continuously transmitting light pulses to the target, receiving the light returned from the object by a sensor and detecting the Flight (round trip) Time of the transmitted and received light pulses.
Compared with the prior art, the invention has the beneficial effects that:
aiming at the problems that the shell part of the bivalve shellfish needs to be pasted with a measuring element to interfere the normal life activity of the bivalve shellfish in the prior art, the measuring device is designed, the bivalve shellfish can be monitored under the condition of not damaging the shells of the bivalve shellfish and not interfering the normal life activity of the bivalve shellfish, and the whole device is quick and simple. The invention can realize stable, accurate and highly sensitive recording of the opening and closing shell activity of the bivalve shellfish by matching with optical and electrical design. The invention is designed aiming at the activity monitoring of bivalve shellfish and has originality.
The invention proves that the real-time monitoring data result stably and accurately reflects the record of the opening and closing activities of the bivalve shells through experiments. The invention not only changes the situation that the open and close activities of the bivalve shellfish cannot be observed in the traditional form, but also ensures the long-time monitoring under the condition that the normal life activities of the bivalve shellfish are not influenced.
Moreover, the device needs to adjust the silica gel attaching block at the corresponding position of the bivalve shellfish through the matching among the silica gel attaching block, the bottom fixing table, the bivalve shellfish, the telescopic titanium alloy rod and the laser ranging module, so that the left shell and the right shell of the bivalve shellfish are tightly combined with the silica gel attaching block, after the fixation is finished, the device is placed on the water bottom, due to the existence of the bottom fixing platform, the real-time recording device can be kept free from the interference of external factors such as waves, strong wind and the like, and after the real-time recording device is fixed, according to the depth of an underwater part, by adjusting the telescopic titanium alloy rod of the experimental device, the laser ranging module is kept above the water surface, the titanium alloy black coating baffles on the left side and the right side can be jacked open and move outwards once when the double shells are opened and closed, the laser ranging module is convenient for real-time recording of the shell opening and closing movement of the bivalve shellfish, so that the problem that the shell opening and closing movement of the bivalve shellfish cannot be accurately monitored is solved;
through scalable titanium alloy pole, the buckle, the slider, the diaphragm, the cooperation between stand and the montant, when the extension length of the scalable titanium alloy pole of adjustment, behind the scalable titanium alloy pole position of adjustment one side, its accessible buckle and slider drive the diaphragm and move, because the diaphragm receives the unable rotation of the restriction of montant and stand, can drive the scalable titanium alloy pole of opposite side through the slider of opposite side and buckle and carry out the adjustment of same length, the scalable titanium alloy pole of the left and right sides can't carry out synchronous size's flexible adjustment problem has been avoided.
Drawings
FIG. 1 is a schematic view of the folding structure of the present invention;
FIG. 2 is a schematic view of the expanded structure of the present invention;
fig. 3 is a schematic structural view of the telescopic titanium alloy rod, the transverse plate and the guide rail in fig. 1.
In the figure: 1. laser rangefinder module, 2, titanium alloy black coating baffle, 3, scalable titanium alloy pole, 4, scalable titanium alloy pole wall, 5, silica gel laminating piece, 6, silica gel fixed block, 7, elastic metal piece, 8, bottom fixed station, 9, bivalve shell, 10, stand, 11, recess, 12, buckle, 13, montant, 14, diaphragm, 15, slider, 16, guide rail.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Embodiment 1 a device for recording the opening and closing of bivalve shellfish in real time
Referring to fig. 1-3, a device for recording the opening and closing movement of bivalve shellfish in real time comprises a laser distance measuring module 1 and a titanium alloy black coating baffle 2, the upper inner wall of the right titanium alloy black coating baffle 2 is fixedly connected with the laser distance measuring module 1, the laser distance measuring module 1 is used for detecting the distance change of the left and right titanium alloy black coating baffles 2 and transmitting the measurement result outwards, the lower ends of the titanium alloy black coating baffles 2 are fixedly connected with a telescopic titanium alloy rod 3, the lower part of the telescopic titanium alloy rod 3 is in clearance fit with a telescopic titanium alloy rod wall 4, the lower part of the telescopic titanium alloy rod wall 4 is fixedly connected with an elastic metal sheet 7, the upper end of the elastic metal sheet 7 is fixedly connected with a silica gel fixing block 6, the elastic metal sheet 7 can realize the resetting and retracting of the telescopic titanium alloy rod wall 4, the lower part of the inner wall of the telescopic titanium alloy rod wall 4 is fixedly connected with a silica gel bonding block 5, the lower extreme center and the bottom fixed station 8 of elastic metal piece 7 are fixed continuous, the equal rigid coupling in outer wall top of scalable titanium alloy pole 3 has buckle 12, the rear portion and the slider 15 of buckle 12 rotate and link to each other, slider 15's inside all slides and links to each other has guide rail 16, guide rail 16's both sides end all links to each other with diaphragm 14 is fixed, diaphragm 14's lower extreme center rigid coupling has montant 13, diaphragm 14 receives montant 13 and stand 10's restriction can only go up and down, montant 13's lower part slides and links to each other has stand 10, stand 10's lower extreme and bottom fixed station 8 are fixed continuous, the outer wall inboard of silica gel laminating piece 5 and silica gel fixed block 6 closely laminates double-shelled shellfish 9, the inside left and right sides of diaphragm 14 all processes fluted 11, the inside and the slider 15 of recess 11 slide and link to each other.
The laser ranging module 1 selected by the invention is a commercially available laser ranging module, a laser range finder, a laser ranging sensor and the like, and preferably, the laser ranging module 1 records the opening and closing shell movement of the bivalve shellfish in real Time based on the principle of the Time of Flight (ToF), namely, the distance of a target object is obtained by continuously transmitting light pulses to the target, receiving light returned from the object by the sensor and detecting the Flight (round trip) Time of the transmitted and received light pulses.
When the method and the device for recording the open-close shell movement of the bivalve shellfish in real time are needed to be used, a user can firstly place the bivalve shellfish 9, such as crassostrea gigas and the like, at the central part of a fixing module of the device, a silica gel fixing block 6 can maintain the bivalve shellfish in a vertical state without position change, and simultaneously, in order to ensure the stability of recording the open-close shell movement of the bivalve shellfish, the silica gel attaching block 5 at the corresponding position of the bivalve shellfish needs to be adjusted, so that the left and right shells of the bivalve shellfish are tightly combined with the silica gel attaching block 5, after the fixation is finished, the device is placed on the water bottom, because of the existence of a bottom fixing table 8, the real-time recording device can be kept from being interfered by external factors, such as waves, strong wind and the like, after the fixation, the telescopic titanium alloy rod 3 of an experimental device is adjusted according to the depth of the underwater part, so as to keep the laser ranging module 1 above the water surface, and the bivalve shellfish 9 can push the titanium alloy black coating baffles 2 at the left and right sides to move outwards once when the open and the bivalve shellfish, the laser ranging module 1 is convenient for the double-shell 9 to record the opening and closing of the shell in real time, when the extension length of the telescopic titanium alloy rod 3 is adjusted, after the position of the telescopic titanium alloy rod 3 on one side is adjusted, the transverse plate 14 can be driven by the pinch plate 12 and the slider 15 to move, the transverse plate 14 cannot rotate due to the fact that the transverse plate 14 is limited by the vertical rod 13 and the stand column 10, the slider 15 and the pinch plate 12 on the other side can drive the telescopic titanium alloy rod 3 on the other side to adjust the same length, and the problem that the telescopic titanium alloy rods 3 on the left side and the right side cannot be adjusted in a synchronous size in a telescopic mode is solved.
Example 2 example of application
In order to verify the high sensitivity and stability of the method, a comparison experiment for simulating the influence of environment UVB intensity on the activity of the open-close shell of the crassostrea gigas is designed, and the difference situation of the activity of the open-close shell of the crassostrea gigas under different environment UVB intensity conditions is observed and recorded, so that the accuracy of the method is intuitively reflected.
1. Experimental materials:
fresh and alive crassostrea gigas in the market; an oyster cultivation container and matched bait, oxygen equipment and seawater; recording the opening and closing shell moving device of the bivalve shellfish in real time.
2. The experimental process comprises the following steps:
(1) the method comprises the steps of purchasing fresh oysters in the market, cleaning dirt and attachments on the surfaces of the oysters, placing the oysters in an aquarium in a laboratory for temporary culture, feeding isochrysis galbana during the temporary culture period, and keeping aeration.
(2) Consult the ecological system research network (www.cern.ac.cn /) Shandong and its nearby areas for the maximum value of the total ultraviolet radiation monthAccording to the fact that UVB accounts for 2-5% of the ultraviolet intensity, the UVB radiation intensity in the experiment is determined to be 2W/m 2 . The experiment is divided into 2 groups, a UVB + visible sunlight group and a visible sunlight group. And a UVB light source (TL 20W/12RS, Philips and Holland) is arranged 35cm above the surface of the experimental water body of the UVB + visible sunlight group, and a sunlight simulation light source (16W/PAR38, Philips and Holland) is arranged 35cm above the experimental water body of the UVB + visible sunlight group and the experimental water body of the visible sunlight group. The two groups are separated by using a light-tight black felt plate and covered by black shading cloth, so that the interference of light sources and external environment illumination between the experimental groups is avoided. The experimental illumination period is 12 h: and (4) 12 h.
(3) According to the different distance conditions of the left and right shells of the crassostrea gigas, the fixing module of the recording device is adjusted, so that the left and right shells of the crassostrea gigas are tightly combined with the left and right shells of the crassostrea gigas, and the accuracy of recording is kept. And 6 crassostrea gigas are respectively fixed in each group, and after the fixation is finished, the crassostrea gigas are respectively placed in exposed water bodies of different experiments. Simultaneously, the flexible titanium alloy pole of adjustment experimental apparatus keeps the laser rangefinder module to be located above the surface of water. Before the exposure begins, the distance L0 in the double-shell closed state of the crassostrea gigas is recorded, the reading distance between the left shell and the right shell in the process of opening and closing the shells of the crassostrea gigas in the experimental process is LC, and the actual distance between the processes of opening and closing the shells of the crassostrea gigas is LC-L0. The crassostrea gigas was recorded in real time for 10 days and analyzed for data on the activity of the closure shell within 10 days. Calculating the movable open shell amplitude (the amplitude range below 5% is recorded as the closed shell state of the crassostrea gigas) of the open shell and the closed shell of each crassostrea gigas, and the amplitude is called the shell open time (VOD,%); the amplitude of opening and closing the shell (relative to the maximum opening) is called the shell opening amplitude (VOA,%).
3. The experimental results are as follows:
counting statistics is carried out on VOD and VOA of the UVB + visible sunlight group and the visible sunlight group, and the sorting result is shown in table 1.
TABLE 1 UVB Experimental Exposure statistics
Figure BDA0003334372510000071
And (3) carrying out t test on the VOA and the VOD of the two groups of crassostrea gigas respectively, wherein the results show that the VOA and the VOD of the UVB + visible sunlight group and the visible sunlight group have obvious difference (P is more than 0.05). As can be seen from table 1, after the 10 th day of exposure treatment, the VOAs of both groups of crassostrea exhibited drastic changes of varying degrees, disturbing the normal steady state of crassostrea gigas. Meanwhile, VOD of the crassostrea gigas in the visible sunlight group is higher than that in the UVB + visible sunlight group to a certain extent. This indicates that UVB exposure affected normal open and closed shell activity of crassostrea gigas.
The experiment proves that the bivalve shellfish can resist the influence of the external environment on the bivalve shellfish through the self shell closing activity from the experiment of changing the external environment. Meanwhile, the result of the real-time monitoring data through the experiment stably and accurately reflects the record of the opening and closing activities of the bivalve shells. The invention not only changes the situation that the open and close activities of the bivalve shellfish cannot be observed in the traditional form, but also ensures the long-time detection under the state that the normal life activities of the bivalve shellfish are not influenced.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a device of two shell shellfish switching shell activities of real-time recording which characterized in that: the device includes laser rangefinder module (1) and two titanium alloy black coating baffles (2) that are located the left and right sides respectively, the right side the upper portion inner wall rigid coupling of titanium alloy black coating baffle (2) has laser rangefinder module (1), and the equal rigid coupling of the lower extreme of the titanium alloy black coating baffle (2) of the left and right sides has scalable titanium alloy pole (3), the lower part clearance fit of scalable titanium alloy pole (3) has scalable titanium alloy pole wall (4), the lower part of scalable titanium alloy pole wall (4) all links to each other with elastic metal piece (7) are fixed, the upper end rigid coupling of elastic metal piece (7) has silica gel fixed block (6), the equal rigid coupling in inner wall below of scalable titanium alloy pole wall (4) has silica gel laminating piece (5), the lower extreme center and the bottom fixed station (8) of elastic metal piece (7) are fixed to be continuous.
2. The device for recording the opening and closing activities of the bivalve shells in real time as claimed in claim 1, wherein: the equal rigid coupling in outer wall top of scalable titanium alloy pole (3) has buckle (12), the rear portion of buckle (12) rotates with slider (15) and links to each other, the inside of slider (15) all slides and has linked to each other guide rail (16), the both sides end of guide rail (16) all links to each other with diaphragm (14) is fixed, the lower extreme center rigid coupling of diaphragm (14) has montant (13), the lower part of montant (13) slides and has linked to each other stand (10), the lower extreme and the bottom fixed station (8) of stand (10) are fixed and link to each other.
3. The device for recording the opening and closing activities of the bivalve shells in real time as claimed in claim 1, wherein: the inner sides of the outer walls of the silica gel adhesion block (5) and the silica gel fixing block (6) are tightly adhered with a double-shell (9).
4. The device for recording the opening and closing activities of the bivalve shells in real time as claimed in claim 2, wherein: grooves (11) are machined in the left side and the right side of the inner portion of the transverse plate (14).
5. The device for recording the opening and closing activities of the bivalve shells in real time as claimed in claim 4, wherein: the interior of the groove (11) is connected with a sliding block (15) in a sliding way.
6. A method for recording the opening and closing activities of bivalve shells in real time is characterized in that: the method comprises the following steps:
(1) fixing the bivalve shellfish: the device for recording the opening and closing activities of the bivalve shells in real time as claimed in any one of claims 1 to 5 is used, the bivalve shells to be measured are firstly placed at the central part of the fixed module of the device, the vertical state of the bivalve shells is maintained by using the silica gel fixed block (6), and the silica gel adhesive block (5) at the corresponding position of the bivalve shells is adjusted to ensure that the left and right bivalve shells are tightly combined with the silica gel adhesive block (5);
(2) real-time recording of opening and closing shell activities:
after the fixation is finished, the device is placed at the water bottom, the telescopic titanium alloy rod (3) of the adjusting device keeps the laser ranging module (1) above the water surface, the titanium alloy black coating baffles (2) on the left side and the right side of the bivalve shell are pushed open once each time the bivalve shell is opened and closed, and the opening and closing activities of the bivalve shell can be recorded in real time through the laser ranging module (1).
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