CN112729256B - Section observation equipment based on wave energy - Google Patents

Section observation equipment based on wave energy Download PDF

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Publication number
CN112729256B
CN112729256B CN202011639114.2A CN202011639114A CN112729256B CN 112729256 B CN112729256 B CN 112729256B CN 202011639114 A CN202011639114 A CN 202011639114A CN 112729256 B CN112729256 B CN 112729256B
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clamping
wave energy
bearing
trigger
trigger piece
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CN112729256A (en
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李强
舒明瑞
王凯甬
李明阳
王经纬
郑修宇
张晓华
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Shenzhen International Graduate School of Tsinghua University
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Shenzhen International Graduate School of Tsinghua University
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Publication of CN112729256A publication Critical patent/CN112729256A/en
Priority to PCT/CN2021/097914 priority patent/WO2022142127A1/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C13/00Surveying specially adapted to open water, e.g. sea, lake, river or canal

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  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)

Abstract

The invention discloses a section observation device based on wave energy, which comprises a floating body, a counterweight device, a connecting device, a bearing device, a one-way device and a trigger device, wherein the connecting device is connected between the floating body and the counterweight device; the bearing device is movably connected with the connecting device and used for bearing the sensor; the unidirectional device is connected with the bearing device and has a first state capable of realizing unidirectional movement of the bearing device along a first direction and a second state capable of realizing movement of the bearing device along a second opposite direction; the trigger device comprises a first trigger piece and a second trigger piece, the first trigger piece and the second trigger piece are respectively positioned at two ends of the moving stroke of the bearing device, and the one-way device can be matched with the first trigger piece or the second trigger piece to switch states. Among the above-mentioned check out test set, bearing device can reduce the quantity of sensor, reduce cost, and the sensor can obtain observation data in succession in the vertical direction, and spatial resolution is high.

Description

Section observation equipment based on wave energy
Technical Field
The invention relates to the field of ocean monitoring, in particular to a profile observation device based on wave energy.
Background
Profiling is a common method in marine surveys by placing various instruments at different depths in the ocean to obtain vertical distribution information of marine environmental elements. In the related art, a buoy and a submerged buoy are generally used as measurement carriers, a connecting cable is used as a measurement point at a certain distance, a group of sensors are fixed on each point, and marine environment parameters are obtained through sensors at different depths. However, the above method requires more sensors, is expensive, can only obtain parameters of a plurality of discontinuous measurement points, and has low spatial resolution.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a profile observation device based on wave energy, which can reduce the cost and increase the spatial resolution.
According to the embodiment of the invention, the section observation equipment based on wave energy comprises:
a float;
a counterweight device;
the connecting device is connected between the floating body and the counterweight device;
the bearing device is movably connected with the connecting device and used for bearing the sensor;
the unidirectional device is connected with the bearing device and has a first state capable of realizing unidirectional movement of the bearing device along a first direction and a second state capable of realizing movement of the bearing device along a second opposite direction;
the trigger device comprises a first trigger piece and a second trigger piece, the first trigger piece and the second trigger piece are respectively positioned at two ends of the moving stroke of the bearing device, and the one-way device can be matched with the first trigger piece or the second trigger piece to switch states.
The section observation equipment based on wave energy provided by the embodiment of the invention at least has the following beneficial effects:
among the above-mentioned check out test set, bear the device and can drive the sensor and follow the removal of upper and lower direction in order to detect the ocean parameter of the different degree of depth, can reduce the quantity of sensor, reduce cost, and the sensor can obtain observation data in succession in vertical direction, and spatial resolution is high.
According to some embodiments of the invention, the unidirectional device comprises:
the clamping pieces are distributed along the circumferential direction of the connecting device and comprise rotating parts in rotating connection with the bearing device and clamping parts for clamping the connecting device, and the clamping pieces are obliquely arranged relative to the connecting device;
the elastic pieces are connected between the bearing device and the corresponding clamping pieces and used for applying acting force for clamping the connecting device to the corresponding clamping pieces;
and the limiting part can be driven by the first trigger part or the second trigger part to move relative to each clamping part so as to realize the contraction or expansion of each clamping part.
According to some embodiments of the present invention, a side of each of the clamping members facing the limiting member has a slot, when the limiting member is located in each of the slots, each of the clamping portions expands relatively, the one-way device is in the second state, when the limiting member is disengaged from each of the slots, each of the clamping portions contracts relatively to clasp the connecting device, and the one-way device is in the first state.
According to some embodiments of the present invention, the limiting member is a limiting ring sleeved on the connecting device, the triggering device includes a plurality of the first triggering members and a plurality of the second triggering members, and the plurality of the first triggering members and the plurality of the second triggering members are uniformly distributed along a circumferential direction of the limiting ring.
According to some embodiments of the invention, a distance between a lateral groove wall of the clamping groove and the connecting device gradually increases along a direction in which the limiting member enters the clamping groove.
According to some embodiments of the invention, the clamping member further includes a first connecting portion connected to the elastic member, wherein the first connecting portion and the clamping portion are respectively located at upper and lower sides of the carrying device.
According to some embodiments of the invention, the carrying device includes a first annular portion, a second annular portion and a plurality of second connecting portions, the first annular portion and the second annular portion are concentric and have a gap, the plurality of second connecting portions are distributed along a circumferential direction of the second annular portion, and the second connecting portions extend along a radial direction of the second annular portion and are respectively connected with the first annular portion and the clamping member.
According to some embodiments of the invention, the connecting device is circular in cross-section and the clamping portion has a circular arc surface for contact with the connecting device.
According to some embodiments of the invention, when the one-way device is in the first state, the bearing device can move upwards in one direction relative to the connecting device, and the gravity of the bearing device is greater than the buoyancy.
According to some embodiments of the invention, the float is rotatably connected to the connection device.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The invention is further described with reference to the following figures and examples, in which:
FIG. 1 is a schematic perspective view of a wave energy based profile observation apparatus according to an embodiment of the present invention;
FIG. 2 is a front view of the wave energy based profile observation apparatus of FIG. 1;
FIG. 3 is a perspective view of the connection of the unidirectional device of FIG. 1 to a carrier;
FIG. 4 is a side view of the connection of the unidirectional device to the carrier of FIG. 3;
FIG. 5 is a top view of the one-way device of FIG. 3 coupled to a carrier device;
fig. 6 is an enlarged schematic view of the area a in fig. 4.
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 should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality is one or more, the meaning of a plurality is two or more, and the above, below, exceeding, etc. are understood as excluding the present numbers, and the above, below, within, etc. are understood as including the present numbers. If there is a description of first and second for the purpose of distinguishing technical features only, this is not to be understood as indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
In the description of the present invention, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples," etc., means 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 invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. 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 cross-sectional view observation apparatus according to an embodiment of the present invention includes a floating body 100, a weight device 200, a connection device 300, a carrying device 400, a one-way device 500, and a triggering device, wherein the floating body 100 and the weight device 200 are engaged such that the connection device 300 connected between the floating body 100 and the weight device 200 is maintained in a vertical state. The connection device 300 may function as a guide to restrain the carriage 400 from moving in the up-and-down direction. The carrying device 400 is used for carrying the sensors, and the sensors can detect ocean parameters of different depths through the movement of the carrying device 400 in the vertical direction, so that the number of the sensors can be reduced, and the cost is reduced. The one-way device 500 is matched with the trigger device, so that the bearing device 400 can reciprocate up and down under the action of wave driving force, buoyancy and gravity, a power device and a corresponding energy source are not required to be equipped, the structure is simple, and the service life is long.
The float 100 is made of a material having a density less than water, and is capable of floating above the water surface. The weight device 200 is made of a material having a density greater than that of water, which can be submerged below the water surface, and the connection device 300 is connected between the float 100 and the weight device 200, the connection device 300 can be maintained in a vertical state by buoyancy and gravity, and the connection device 300 may be a cable. It should be noted that the counterweight device 200 can be connected to the sea floor by cables, avoiding large changes in the position of the observation equipment.
The carrier 400 is used for carrying the sensor, and the sensor and the connection structure of the sensor and the carrier 400 can adopt the known technology, and are not described in detail herein. The carrying device 400 can move relative to the connecting device 300, and the moving stroke is determined by the installation position of the triggering device, in this embodiment, the first triggering member 610 and the second triggering member 620 of the triggering device are respectively located at two ends of the moving stroke of the carrying device 400, specifically, the first triggering member 610 is located at the upper end of the connecting device 300, and the second triggering member 620 is located at the lower end of the connecting device 300. The moving direction of the carrying device 400 is determined by the one-way device 500, the one-way device 500 is connected to the carrying device 400 and has a first state and a second state, when the one-way device 500 is in the first state, the one-way device 500 cooperates with the connecting device 300 to constrain the moving direction of the carrying device 400, so that the carrying device 400 can move unidirectionally only in the first direction (for example, upward direction in the figure) under the action of the wave driving force, when the one-way device 500 is in the second state, the one-way device 500 releases the constraint on the carrying device 400, and the carrying device 400 can move in the opposite second direction (for example, downward direction in the figure) under the action of buoyancy or gravity. The state switching of the one-way device 500 is performed by a triggering device, and when the carrying device 400 drives the one-way device 500 to move to the upper end or the lower end of the connecting device 300, the first triggering part 610 or the second triggering part 620 can switch the one-way device 500 from the current state to another state.
Among the above-mentioned check out test set, bear device 400 can drive the sensor along the removal of upper and lower direction in order to detect the ocean parameter of the different degree of depth, can reduce the quantity of sensor, reduce cost, and the sensor can obtain observation data in succession in vertical direction, and spatial resolution is high. The one-way device 500 is matched with the trigger device, so that the bearing device 400 can reciprocate up and down under the action of wave driving force, buoyancy and gravity, a power device and a corresponding energy source are not required to be equipped, the structure is simple, and the service life is long.
Referring to fig. 3 to 5, in the above-mentioned detection apparatus, the one-way device 500 includes a plurality of clamping members 510, a plurality of elastic members 520, and a limiting member 530, the plurality of clamping members 510 are distributed along a circumferential direction of the connection device 300, and can achieve constraint of the connection device 300 by clamping the connection device 300, specifically, the clamping members 510 include a rotating portion 511 and a clamping portion 512, the clamping members 510 are rotatably connected with the carrier 400 through the rotating portion 511, the clamping portion 512 is used for clamping the connection device 300, and the clamping portion 512 can clamp the connection device 300 or release clamping of the connection device 300 (for example, separate from the connection device 300) along with rotation of the clamping members 510. To achieve the unidirectional constraint of the carrying device 400, the clamping member 510 is disposed obliquely relative to the connecting device 300 along the moving direction (e.g. up and down direction in the figure) of the carrying device 400, and the oblique direction satisfies: the distance between the clamping portion 512 and the connection device 300 is smaller than the distance between the rotating portion 511 and the connection device 300.
Taking the example shown in the figure, the rotating portion 511 is located above the clamping portion 512, when the one-way device 500 is in the first state, the clamping portion 512 clasps the connecting device 300, and the carrying device 400 can move upwards in one direction relative to the connecting device 300 under the driving of waves. Accordingly, the gravity of the carrier 400 is greater than the buoyancy, and when the one-way device 500 is in the second state, the clamping portion 512 releases the clamping of the connection device 300, and the carrier 400 can fall freely under the action of the gravity.
The number of the elastic members 520 is equal to the number of the clamping members 510, and one end of each of the elastic members is connected to the carrier 400, and the other end of each of the elastic members is connected to the corresponding clamping member 510. The elastic member 520 may be a tension spring as illustrated, and may apply a force to the corresponding clamping member 510 such that the clamping member 510 tends to clamp the connecting device 300.
The limiting member 530 can be driven by the first trigger 610 or the second trigger 620 to move relative to each of the clamping members 510 to achieve the contraction or expansion of each of the clamping portions 512. For example, each of the clamping members 510 has a slot 513 on a side facing the position-limiting member 530, and the position-limiting member 530 can enter the slot 513 from the top to the bottom. When the limiting members 530 are located in the slots 513, the clamping portions 512 are relatively expanded, and the one-way device 500 is in the second state; when the position-limiting members 530 are disengaged from the engaging slots 513, the clamping portions 512 are contracted to clasp the connecting device 300, and the one-way device 500 is in the first state.
As an improvement of the above scheme, the limiting member 530 is a limiting ring sleeved on the connecting device 300, the triggering device includes a plurality of first triggering members 610 and a plurality of second triggering members 620, and the plurality of first triggering members 610 and the plurality of second triggering members 620 are uniformly distributed along the circumferential direction of the limiting ring. When the limiting member 530 is matched with the triggering device, the first triggering members 610 or the second triggering members 620 can uniformly apply a force along the circumferential direction of the limiting member 530, so that the limiting member 530 can completely enter each of the slots 513 or completely separate from each of the slots 513. It should be noted that the first triggering member 610 and the second triggering member 620 are both triggering rods, and the lengths of the first triggering members 610 are equal, and the lengths of the second triggering members 620 are equal, so that the limiting members 530 can enter or leave the slots 513 simultaneously.
In the above observation apparatus, the clamping member 510 further includes a first connecting portion 514 connected to the elastic member 520, wherein the first connecting portion 514 and the clamping portion 512 are respectively located at upper and lower sides of the carrying device 400, specifically, the first connecting portion 514 is located above the carrying device 400, and the clamping portion 512 is located below the carrying device 400. The elastic member 520 is located above the supporting device 400, the bottom is connected to the supporting device 400, the top is connected to the first connecting portion 514, and the elastic member 520 is under tension, so that the holding portion 512 has a tendency to move toward the connecting device 300.
Referring to fig. 3, as a modification of the above, the carrier 400 includes a first annular portion 410, a second annular portion 420, and a plurality of second connecting portions 430, the first annular portion 410 and the second annular portion 420 are concentric with each other and have a gap therebetween, the plurality of second connecting portions 430 are distributed along a circumferential direction of the second annular portion 420, a single second connecting portion 430 extends in a radial direction of the second annular portion 420, one end of the single second connecting portion protrudes to an outer side of the second annular portion 420 to connect the first annular portion 410, and the other end of the single second connecting portion protrudes to an inner side of the second annular portion 420 to connect the rotating portion 511 of the clamping member 510. The above structure can realize stable connection of the carrying device 400 with the clamping members 510 and the elastic members 520.
Referring to fig. 4, as a modification of the above, the cross section of the connecting device 300 is circular, the clamping portions 512 have circular arc faces 5121 for contacting the connecting device 300, and when each clamping portion 512 is in a contracted state, each circular arc face 5121 can be attached to the outer surface of the connecting device 300, so that the connecting device can be better clasped.
Referring to fig. 5, as an improvement of the above solution, the distance between the lateral groove wall 5131 of the locking groove 513 and the connecting device 300 gradually increases along the direction in which the limiting member 530 enters the locking groove 513, for example, the direction from top to bottom in the drawing, so that after the limiting member 530 enters the locking groove 513, the second triggering member 620 needs to give a certain acting force to withdraw from the locking groove 513, thereby preventing the limiting member 530 from accidentally disengaging from the locking groove 513.
Referring to fig. 2, as a modification of the above, the connection device 300 has a connection plate at the top end thereof, and the floating body 100 is rotatably connected to the connection device 300 through the connection plate, so that when the floating body 100 rocks with the water surface, the connection device 300, the carrier 400, and the like below can be maintained in a relatively stable state.
Based on the observation device shown in fig. 1, the working principle is as follows: first, the limiting members 530 are clamped into the clamping grooves 513, the clamping portions 512 are opened relatively, the clamping of the connecting device 300 is released, and at this time, the one-way device 500 is in the second state, and the bearing device 400 can move downward because the gravity of the bearing device 400 is greater than the buoyancy. When the carrying device 400 moves downward to the set position, the second triggering member 620 contacts the limiting member 530, and pushes the limiting member 530 out of each of the slots 513, each of the clamping portions 512 contracts to clasp the connection device 300, and at this time, the one-way device 500 is in the first state, the connection device 300 can move downward relative to the carrying device 400 and can move upward synchronously with the carrying device 400, and the carrying device 400 moves upward gradually along with the up-and-down movement of the floating body 100. When the carrying device 400 moves upward to the set position, the first triggering member 610 contacts with the limiting member 530, and pushes the limiting member 530 into each of the slots 513, and each of the clamping portions 512 opens relatively to release the clamping of the connecting device 300, and moves downward under the action of gravity, thereby cyclically realizing the reciprocating motion of the carrying device 400.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention. Furthermore, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict.

Claims (9)

1. A profile observation device based on wave energy, comprising:
a float;
a counterweight device;
the connecting device is connected between the floating body and the counterweight device;
the bearing device is movably connected with the connecting device and used for bearing the sensor;
the unidirectional device is connected with the bearing device and has a first state capable of realizing unidirectional movement of the bearing device along a first direction and a second state capable of realizing movement of the bearing device along a second opposite direction;
the trigger device comprises a first trigger piece and a second trigger piece, the first trigger piece and the second trigger piece are respectively positioned at two ends of the moving stroke of the bearing device, and the one-way device can be matched with the first trigger piece or the second trigger piece to switch states;
wherein the unidirectional device comprises:
the clamping pieces are distributed along the circumferential direction of the connecting device and comprise rotating parts in rotating connection with the bearing device and clamping parts for clamping the connecting device, and the clamping pieces are obliquely arranged relative to the connecting device;
the elastic pieces are connected between the bearing device and the corresponding clamping pieces and used for applying acting force for clamping the connecting device to the corresponding clamping pieces;
and the limiting part can be driven by the first trigger part or the second trigger part to move relative to each clamping part so as to realize the contraction or expansion of each clamping part.
2. A wave energy based profile observation apparatus according to claim 1, wherein each said clamping member has a slot on a side thereof facing said retaining member, each said clamping portion is relatively expanded when said retaining member is located in each said slot, said one-way device is in said second state, each said clamping portion is relatively contracted to hug said connection device when said retaining member is disengaged from each said slot, and said one-way device is in said first state.
3. The wave energy-based profile observation apparatus according to claim 2, wherein the limiting member is a limiting ring sleeved on the connecting device, the triggering device comprises a plurality of first triggering members and a plurality of second triggering members, and the plurality of first triggering members and the plurality of second triggering members are uniformly distributed along a circumferential direction of the limiting ring.
4. A wave energy based profile observation apparatus according to claim 2, wherein the distance between the lateral walls of the clamping groove and the connection means increases gradually in the direction of entry of the stop into the clamping groove.
5. The wave energy based profile observation apparatus of claim 1, wherein the clamping member further comprises a first connecting portion connected to the elastic member, wherein the first connecting portion and the clamping portion are respectively located at upper and lower sides of the carrying device.
6. A wave energy based profile observation apparatus according to claim 5, wherein the load carrying means comprises a first annular portion concentric with and having a gap, a second annular portion and a plurality of second connection portions distributed along the circumference of the second annular portion, the second connection portions extending in a radial direction of the second annular portion and being connected to the first annular portion and the clamp respectively.
7. A wave energy based profile observation apparatus according to claim 1, wherein the connecting means is circular in cross-section and the grip portion has a circular arc surface for contact with the connecting means.
8. A wave energy based profile observation apparatus according to claim 1, wherein the carrying means is capable of unidirectional movement upwards relative to the connection means when the unidirectional means is in the first state, the weight of the carrying means being greater than the buoyancy.
9. A wave energy based profile viewing apparatus according to claim 1, wherein the float is rotatably connected to the connection means.
CN202011639114.2A 2020-12-31 2020-12-31 Section observation equipment based on wave energy Active CN112729256B (en)

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CN202011639114.2A CN112729256B (en) 2020-12-31 2020-12-31 Section observation equipment based on wave energy
PCT/CN2021/097914 WO2022142127A1 (en) 2020-12-31 2021-06-02 Wave energy-based profiling observation device

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JP2004270502A (en) * 2003-03-06 2004-09-30 Kenka Ko Dynamic power machine using buoyancy
CN100564152C (en) * 2007-06-06 2009-12-02 中国科学院海洋研究所 A kind of self-sustaining marine environmental monitoring system
US9322387B2 (en) * 2013-03-15 2016-04-26 Neptune Wave Power Llc Maximizing output of a generator operating under the influence of wave motion by applying an optimum restoring force
CN104266637B (en) * 2014-10-15 2016-06-22 清华大学 A kind of marine vertical profile monitoring device
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