CN111830509A - Finless porpoise positioner - Google Patents
Finless porpoise positioner Download PDFInfo
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- CN111830509A CN111830509A CN202010765759.4A CN202010765759A CN111830509A CN 111830509 A CN111830509 A CN 111830509A CN 202010765759 A CN202010765759 A CN 202010765759A CN 111830509 A CN111830509 A CN 111830509A
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- 241001482616 Neophocaena phocaenoides Species 0.000 title claims abstract description 55
- 238000012544 monitoring process Methods 0.000 claims abstract description 28
- 238000012806 monitoring device Methods 0.000 claims abstract description 7
- 230000007246 mechanism Effects 0.000 claims description 33
- 238000003860 storage Methods 0.000 claims description 27
- 238000005192 partition Methods 0.000 claims description 23
- 238000004804 winding Methods 0.000 claims description 21
- 230000005540 biological transmission Effects 0.000 claims description 14
- 238000001514 detection method Methods 0.000 claims description 11
- 239000013307 optical fiber Substances 0.000 claims description 10
- 239000000835 fiber Substances 0.000 claims description 8
- 230000010365 information processing Effects 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000283153 Cetacea Species 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010219 correlation analysis Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000009182 swimming Effects 0.000 description 1
- 230000035899 viability Effects 0.000 description 1
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Classifications
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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
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
- G01S15/06—Systems determining the position data of a target
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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
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/66—Sonar tracking systems
-
- 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
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/86—Combinations of sonar systems with lidar systems; Combinations of sonar systems with systems not using wave reflection
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Alarm Systems (AREA)
Abstract
The invention discloses a finless porpoise positioning device, which comprises a monitoring base and a positioning monitoring device arranged on the side surface of the monitoring base in a matching way; the monitoring base is sequentially provided with an information receiving site and an information publishing site from front to back, and the information receiving site is connected with the information publishing site through a network. The invention provides a finless porpoise positioning device, which can position and track finless porpoise population by combining sound production and video monitoring of finless porpoise through the arrangement of the device, and prevents the problem of difficult finless porpoise tracking caused by easy falling of generated beacons when a vest special for a radio beacon and a radio tracking beacon are used for tracking the finless porpoise in the prior art.
Description
Technical Field
The invention belongs to the technical field of biological positioning, and particularly relates to a finless porpoise positioning device.
Background
The finless porpoise is a secondary protection animal in China, and the result of Population Viability Analysis (PVA) shows that under the current condition, if no protective measures are taken, the finless porpoise in the Yangtze river is extinct in the next 10 years or the trend, and is recorded as an endangered grade by the red name of I UCN. In each finless porpoise protection measure, such as the channel regulation project of the northeast channel of the downstream of the Yangtze river and the channel regulation project of the riverway of Anqing, it is clearly indicated that the finless porpoise needs to be monitored and early warned in real time in the construction period, and the finless porpoise habitat utilization mode needs to be monitored and the distribution mode of the finless porpoise needs to be changed clearly in the operation period. The same measures almost appear in each engineering influence loop evaluation report, and therefore, the real-time monitoring of the finless porpoise is a common requirement of most Yangtze river hydraulic engineering construction units.
The existing finless porpoise is difficult to locate, a vest special for a fixed radio beacon or a whale radio tracking beacon and the like are mainly adopted to locate and track the finless porpoise, however, the two methods have certain defects, the vest special for the fixed radio beacon can cause the satellite beacon to fall into the Yangtze river due to the large-amplitude swimming of the finless porpoise, the radio tracking beacon is used to track the finless porpoise, equipment cannot be fixed on the body of the finless porpoise for a long time, a high-definition camera is also adopted to capture video images of the water outlet state and the semi-water outlet state of the finless porpoise, however, the single video capturing mode has the problems that the field of view is wide, the real-time.
Disclosure of Invention
The invention aims to overcome the problems in the prior art, and provides a finless porpoise positioning device, which can position and track finless porpoise population by combining sound production and video monitoring of finless porpoise, so as to prevent the problem of finless porpoise tracking difficulty caused by easy falling of generated beacons when a vest special for radio beacons and a radio tracking beacon are used for tracking finless porpoise in the prior art, and solve the problem of difficult real-time focusing control of wide view field generated by single video monitoring.
In order to achieve the technical purpose and achieve the technical effect, the invention is realized by the following technical scheme:
a finless porpoise positioning device comprises a monitoring base and a positioning monitoring device which is arranged on the side surface of the monitoring base in a matching way;
the monitoring base is sequentially provided with an information receiving site and an information publishing site from front to back, and the information receiving site is connected with the information publishing site through a network;
the positioning monitoring device comprises a transmission base and positioning mechanisms uniformly distributed on the top surface of the transmission base;
the positioning mechanism comprises a cable mechanism, a monitoring mechanism and a sonar detection mechanism which are sequentially connected;
the cable mechanism comprises a cable shielding box body and a winding post which is slidably installed in the cable shielding box body, a sliding groove matched with the winding post is formed in the top surface of the cable shielding box body, a connecting cable is spirally wound on the outer surface of the winding post, and winding checking grooves are formed in the front side surface and the rear side surface of the cable shielding box body;
the monitoring mechanism comprises a supporting airbag, a first supporting bottom plate is fixedly installed on the top surface of the supporting airbag, a second supporting bottom plate is fixedly installed on the lower bottom surface of the supporting airbag, an information processing device is fixedly installed on the top surface of the first supporting bottom plate, the lower bottom surface of the second supporting bottom plate is fixedly connected with a sonar detection mechanism, and four cameras are uniformly distributed on the outer circumferential surface of the supporting airbag;
the information processing device comprises a U-shaped placing plate and a U-shaped partition plate which are arranged in parallel, a supporting partition plate is fixedly arranged between the U-shaped placing plate and the U-shaped partition plate, a connecting groove is formed in the top surface of the supporting partition plate, a transmission support column is fixedly arranged in the connecting groove, a wireless buoy monitor is fixedly arranged at the edge of the top surface of the transmission support column, a shielding partition plate is fixedly arranged at the opening end of the U-shaped placing plate, the lower bottom surface of the shielding partition plate is fixedly connected with the supporting partition plate, a data acquisition transmitter is fixedly arranged between the shielding partition plate and the closed end of the U-shaped placing plate, and the data acquisition transmitter is in signal;
one end of the connecting cable is electrically connected with the information receiving station, the other end of the connecting cable is electrically connected with the wireless buoy monitor respectively, and the wireless buoy monitor is in signal connection with the data acquisition transmitter.
Furthermore, a pulling knob is fixedly mounted on the top surface of the winding post.
Further, the side face of the supporting air bag is fixedly provided with an inflation port, the inflation port is fixedly communicated with an inflation tube, one end, far away from the inflation port, of the inflation tube is fixedly provided with an inflator, and the inflator is fixedly arranged on the top face of the supporting partition plate.
Furthermore, a shielding cover plate is arranged above the data acquisition transmitter, and hydraulic lifting rods are uniformly distributed on the top surface of the shielding cover plate;
the top surface of the shielding partition plate is rotatably provided with a solar panel, the lower bottom surface of the solar panel is tightly contacted with the top surface of the hydraulic lifting rod, and the power output end of the solar panel is respectively and electrically connected with the wireless buoy monitor and the data acquisition and transmission device;
the front side surface of the shielding clapboard is provided with a connecting through hole.
Further, the sonar detection mechanism comprises an optical fiber storage mechanism and a sonar detector which are electrically connected;
the optical fiber storage mechanism comprises a storage disc and a connecting cylinder fixedly arranged on the top surface of the storage disc, and the top surface of the connecting cylinder is fixedly connected with the second supporting bottom plate;
the storage disc is internally rotated and is installed the storage wrapping post, storage wrapping post surface spiral winding has optic fibre, storage disc side is opened there is the wiring groove, bottom surface fixed mounting has the disc baffle under the storage disc, disc baffle top surface is opened there is the extension hole with optic fibre matched with, optic fibre one end is placed in the wiring groove, the optic fibre other end is connected with the sonar detector electricity.
The invention has the beneficial effects that:
the invention provides a finless porpoise positioning device, which can position and track finless porpoise population by combining finless porpoise sounding and video monitoring, prevents the problem of finless porpoise tracking difficulty caused by easy falling of generated beacons when a vest special for a radio beacon and a radio tracking beacon are used for tracking finless porpoises in the prior art, and also solves the problem of difficult real-time focusing control of wide view field generated by single video monitoring.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a portion of the present invention;
FIG. 3 is a schematic view of a partial structure of the present invention;
FIG. 4 is a schematic view of a partial structure of the present invention;
FIG. 5 is an exploded view of a portion of the structure of the present invention;
FIG. 6 is a schematic view of a partial structure of the present invention;
FIG. 7 is an exploded view of a portion of the structure of the present invention;
FIG. 8 is a schematic view of a portion of the present invention;
FIG. 9 is an exploded view of a portion of the structure of the present invention;
FIG. 10 is a schematic view of a portion of the present invention;
fig. 11 is an exploded view of a portion of the structure of the present invention.
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.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.
A finless porpoise positioning device shown in FIG. 1 comprises a monitoring base 1 and a positioning monitoring device 2 arranged on the side surface of the monitoring base 1 in a matching way;
the monitoring base 1 is sequentially provided with an information receiving site 11 and an information publishing site 12 from front to back, and the information receiving site 11 is connected with the information publishing site 12 through a network;
the positioning and monitoring device 2 comprises a transmission base 21 and positioning mechanisms 22 uniformly distributed on the top surface of the transmission base 21.
As shown in fig. 2, the positioning mechanism 22 includes a cable mechanism 23, a monitoring mechanism 24, and a sonar detection mechanism 25, which are connected in this order.
As shown in fig. 3, the cable mechanism 23 includes a cable shielding box 231 and a winding post 232 slidably mounted inside the cable shielding box 231, a sliding groove 233 is formed on the top surface of the cable shielding box 231 and is matched with the winding post 232, a connection cable 234 is spirally wound on the outer surface of the winding post 232, and winding viewing slots 235 are formed on the front and rear side surfaces of the cable shielding box 231;
a pulling knob 2321 is fixedly mounted on the top surface of the winding post 232.
As shown in fig. 4 to 5, the monitoring mechanism 24 includes a supporting airbag 241, a first supporting bottom plate 242 is fixedly mounted on the top surface of the supporting airbag 241, a second supporting bottom plate 243 is fixedly mounted on the bottom surface of the supporting airbag 241, an information processing device 244 is fixedly mounted on the top surface of the first supporting bottom plate 242, the bottom surface of the second supporting bottom plate 243 is fixedly connected with the sonar detection mechanism 25, and four cameras 245 are uniformly distributed on the outer circumferential surface of the supporting airbag 241.
As shown in fig. 6 to 7, the information processing apparatus 244 includes a U-shaped placing plate 2441 and a U-shaped partition 2442, which are parallel to each other, a supporting partition 2443 is fixedly installed between the U-shaped placing plate 2441 and the U-shaped partition 2442, a connecting groove 2444 is formed on the top surface of the supporting partition 2443, a transmission support column 2445 is fixedly installed in the connecting groove 2444, a wireless float monitor 2446 is fixedly installed on the edge of the top surface of the transmission support column 2445, a shielding partition 2447 is fixedly installed at the open end of the U-shaped placing plate 2441, the lower bottom surface of the shielding partition 2447 is fixedly connected with the supporting partition 2443, a data acquisition transmitter 2448 is fixedly installed between the shielding partition 2447 and the closed end of the U-shaped placing plate 2441, and the data acquisition transmitter 2448 is;
one end of the connection cable 234 is electrically connected with the information receiving station 11, the other end of the connection cable 234 is electrically connected with the wireless buoy monitor 2446, and the wireless buoy monitor 2446 is in signal connection with the data acquisition transmitter 2448.
As shown in fig. 8, an inflation port 2411 is fixedly installed on the side surface of the supporting airbag 241, an inflation tube 2412 is fixedly communicated in the inflation port 2411, an inflator 2413 is fixedly installed at one end of the inflation tube 2412 far away from the inflation port 2411, and the inflator 2413 is fixedly installed on the top surface of the supporting partition 2443.
As shown in fig. 9, a shielding cover plate 3 is arranged above the data acquisition transmitter 2448, and hydraulic lifting rods 31 are uniformly distributed on the top surface of the shielding cover plate 3;
the top surface of the shielding partition plate 2447 is rotatably provided with a solar panel 4, the lower bottom surface of the solar panel 4 is tightly contacted with the top surface of the hydraulic lifting rod 31, and the power supply output end of the solar panel 4 is respectively and electrically connected with the wireless buoy monitor 2446 and the data acquisition transmitter 2448;
the front side surface of the shielding clapboard 2447 is provided with a connecting through hole 5.
As shown in fig. 10 to 11, the sonar detection mechanism 25 includes an optical fiber storage mechanism 26 and a sonar detector 27 which are electrically connected;
the optical fiber storage mechanism 26 includes a storage disk 261 and a connection cylinder 262 fixedly installed on the top surface of the storage disk 261, the top surface of the connection cylinder 262 is fixedly connected with the second support base plate 243;
the storage disc 261 is internally and rotatably provided with a storage winding column 2611, the outer surface of the storage winding column 2611 is spirally wound with an optical fiber 2612, the side surface of the storage disc 261 is provided with a wiring groove 2613, the lower bottom surface of the storage disc 261 is fixedly provided with a disc baffle 2614, the top surface of the disc baffle 2614 is provided with an extending hole 2615 matched with the optical fiber 2612, one end of the optical fiber 2612 is placed in the wiring groove 2613, and the other end of the optical fiber 2612 is electrically connected with a sonar detector 27.
The circuit components appearing herein are all electrically connected to the solar panel 4, wherein the model of the wireless buoy monitor 2446 is a known conventional ecological buoy monitoring system, and the data acquisition transmitter 2448 is a data acquisition and transmission terminal adapted to the ecological buoy monitoring system.
According to the finless porpoise positioning device provided by the invention, the finless porpoise can be used for positioning and tracking a finless porpoise population by sounding, so that the problem of difficult finless porpoise tracking caused by easy falling of generated beacons when a vest special for a radio beacon and a radio tracking beacon are used for tracking the finless porpoise in the prior art is solved.
According to the finless porpoise positioning device provided by the invention, by arranging the sonar detector 27, the frequency band of finless porpoise can be selected for detection by adjusting the adjusting range of the sonar detector 27, the detection result can be transmitted to the wireless buoy monitor 2446, and then the finless porpoise position is transmitted to the information receiving station 11 in the monitoring base 1 and issued by the information issuing station 12 after being analyzed and integrated by the wireless buoy monitor 2446; different sounding frequency bands can be set through the arrangement of the sonar detectors 27, and when the position of the finless porpoise is detected, the sounding frequency bands harmful to the finless porpoise are monitored so as to better protect the finless porpoise; through the setting of camera 245, data acquisition transmitter 2448 and camera 245 signal connection, camera 245 sets up in supporting gasbag 241 outer peripheral surface, can set up in a plurality of monitoring points along with supporting gasbag 241, thereby all-round to the finless porpoise video gather, acquire a large amount of finless porpoise images, upload to data acquisition transmitter 2448 and carry out analysis and integration in order to supply the staff, thereby discernment and acquisition effectual finless porpoise activity information, simultaneously, jointly use through sonar detector 27 and camera 245, can more effectively carry out analysis and discernment to finless porpoise activity information, thereby protect for the finless porpoise and provide the correlation analysis.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean 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 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.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (5)
1. A finless porpoise positioning device is characterized in that: comprises a monitoring base (1) and a positioning monitoring device (2) which is arranged on the side surface of the monitoring base (1) in a matching way;
the monitoring base (1) is sequentially provided with an information receiving site (11) and an information issuing site (12) from front to back, and the information receiving site (11) is connected with the information issuing site (12) through a network;
the positioning monitoring device (2) comprises a transmission base (21) and positioning mechanisms (22) uniformly distributed on the top surface of the transmission base (21);
the positioning mechanism (22) comprises a cable mechanism (23), a monitoring mechanism (24) and a sonar detection mechanism (25) which are connected in sequence;
the cable mechanism (23) comprises a cable shielding box body (231) and a winding post (232) which is slidably mounted in the cable shielding box body (231), a sliding groove (233) which is matched with the winding post (232) is formed in the top surface of the cable shielding box body (231), a connecting cable (234) is spirally wound on the outer surface of the winding post (232), and winding checking grooves (235) are formed in the front side surface and the rear side surface of the cable shielding box body (231);
the monitoring mechanism (24) comprises a supporting air bag (241), a first supporting bottom plate (242) is fixedly installed on the top surface of the supporting air bag (241), a second supporting bottom plate (243) is fixedly installed on the lower bottom surface of the supporting air bag (241), an information processing device (244) is fixedly installed on the top surface of the first supporting bottom plate (242), the lower bottom surface of the second supporting bottom plate (243) is fixedly connected with a sonar detection mechanism (25), and four cameras (245) are uniformly distributed on the outer circumferential surface of the supporting air bag (241);
the information processing device (244) comprises a U-shaped placing plate (2441) and a U-shaped partition plate (2442) which are arranged in parallel, a supporting clapboard (2443) is fixedly arranged between the U-shaped placing plate (2441) and the U-shaped clapboard (2442), the top surface of the supporting clapboard (2443) is provided with a connecting groove (2444), a transmission supporting column (2445) is fixedly arranged in the connecting groove (2444), a wireless buoy monitor (2446) is fixedly arranged on the edge of the top surface of the transmission support column (2445), a shielding clapboard (2447) is fixedly arranged at the opening end of the U-shaped placing plate (2441), the lower bottom surface of the shielding clapboard (2447) is fixedly connected with the supporting clapboard (2443), a data acquisition transmitter (2448) is fixedly arranged between the shielding clapboard (2447) and the closed end of the U-shaped placing plate (2441), the data acquisition transmitter (2448) is in signal connection with a camera (245);
one end of the connecting cable (234) is electrically connected with the information receiving station (11), the other end of the connecting cable (234) is electrically connected with the wireless buoy monitor (2446), and the wireless buoy monitor (2446) is in signal connection with the data acquisition transmitter (2448).
2. The finless porpoise positioning device as claimed in claim 1, wherein: and a pulling knob (2321) is fixedly mounted on the top surface of the winding post (232).
3. The finless porpoise positioning device as claimed in claim 1, wherein: an inflation port (2411) is fixedly installed on the side face of the supporting air bag (241), an inflation pipe (2412) is fixedly communicated with the inflation port (2411), an inflator (2413) is fixedly installed at one end, far away from the inflation port (2411), of the inflation pipe (2412), and the inflator (2413) is fixedly installed on the top face of the supporting partition plate (2443).
4. The finless porpoise positioning device as claimed in claim 1, wherein: a shielding cover plate (3) is arranged above the data acquisition transmitter (2448), and hydraulic lifting rods (31) are uniformly distributed on the top surface of the shielding cover plate (3);
the solar panel (4) is rotatably installed on the top surface of the shielding partition plate (2447), the lower bottom surface of the solar panel (4) is in close contact with the top surface of the hydraulic lifting rod (31), and the power supply output end of the solar panel (4) is electrically connected with the wireless buoy monitor (2446) and the data acquisition transmitter (2448) respectively;
the front side surface of the shielding clapboard (2447) is provided with a connecting through hole (5).
5. The finless porpoise positioning device as claimed in claim 1, wherein: the sonar detection mechanism (25) comprises an optical fiber storage mechanism (26) and a sonar detector (27) which are electrically connected;
the optical fiber storage mechanism (26) comprises a storage disc (261) and a connecting cylinder (262) fixedly arranged on the top surface of the storage disc (261), and the top surface of the connecting cylinder (262) is fixedly connected with the second support bottom plate (243);
the storage winding posts (2611) are installed to inside rotation of storage disc (261), storage winding posts (2611) surface spiral winding has optic fibre (2612), wiring groove (2613) have been opened to storage disc (261) side, storage disc (261) lower bottom surface fixed mounting has disc baffle (2614), disc baffle (2614) top surface is opened has and is extended hole (2615) with optic fibre (2612) matched with, optic fibre (2612) one end is placed in wiring groove (2613), optic fibre (2612) other end and sonar detector (27) are connected electrically.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010765759.4A CN111830509A (en) | 2020-08-03 | 2020-08-03 | Finless porpoise positioner |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010765759.4A CN111830509A (en) | 2020-08-03 | 2020-08-03 | Finless porpoise positioner |
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| CN111830509A true CN111830509A (en) | 2020-10-27 |
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| CN202010765759.4A Pending CN111830509A (en) | 2020-08-03 | 2020-08-03 | Finless porpoise positioner |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112738460A (en) * | 2020-12-24 | 2021-04-30 | 安庆师范大学 | Intelligent real-time monitoring system for Changjiang river finless porpoise |
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Application publication date: 20201027 |