CN112889737A - Fishing ground water source and shoal of fish health state monitoring devices based on wireless network - Google Patents
Fishing ground water source and shoal of fish health state monitoring devices based on wireless network Download PDFInfo
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- CN112889737A CN112889737A CN202110228176.2A CN202110228176A CN112889737A CN 112889737 A CN112889737 A CN 112889737A CN 202110228176 A CN202110228176 A CN 202110228176A CN 112889737 A CN112889737 A CN 112889737A
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- 241000251468 Actinopterygii Species 0.000 title claims abstract description 23
- 230000036541 health Effects 0.000 title claims abstract description 16
- 238000012806 monitoring device Methods 0.000 title claims abstract description 16
- 239000003673 groundwater Substances 0.000 title abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 45
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 19
- 239000001301 oxygen Substances 0.000 claims abstract description 19
- 238000012544 monitoring process Methods 0.000 claims abstract description 17
- 239000000523 sample Substances 0.000 claims abstract description 13
- 238000005188 flotation Methods 0.000 claims description 21
- 230000001360 synchronised effect Effects 0.000 claims description 16
- 230000009467 reduction Effects 0.000 claims description 12
- 238000006213 oxygenation reaction Methods 0.000 claims description 8
- 238000005192 partition Methods 0.000 claims description 7
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 3
- 229910052744 lithium Inorganic materials 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 230000003862 health status Effects 0.000 claims 5
- 230000008901 benefit Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000009360 aquaculture Methods 0.000 description 1
- 244000144974 aquaculture Species 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000007084 physiological dysfunction Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; 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; AVICULTURE; APICULTURE; PISCICULTURE; 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
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/04—Arrangements for treating water specially adapted to receptacles for live fish
- A01K63/042—Introducing gases into the water, e.g. aerators, air pumps
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention discloses a wireless network-based fishing ground water source and fish school health state monitoring device, which relates to the field of fishing ground water quality monitoring. The wireless sensor is set, so that the equipment can be controlled to increase the dissolved oxygen content of the water body by rotating the impeller; the buoy can be customized and replaced according to the needs of users, so that the monitoring of different requirements is facilitated; the hoist engine of inside passes through the motor and rotates and put into the different degree of depth with the sonar probe, can reach and carry out the health condition to the water layer of the different degree of depth in the pond and detect. The water quality monitoring device can detect the condition that the quantity of fish shoals at different depths of a water source is changed, and the health state of the fish shoals can be shared through statistics and comparison of big data.
Description
Technical Field
The invention relates to the field of water quality monitoring of a fishing ground, in particular to a health state monitoring device for a water source and fish schools of the fishing ground based on a wireless network.
Background
With the development of high-density and intensive water quality culture production increasing continuously, high-yield and high-efficiency culture measures are pursued to lead to excessive sediment in culture water environment, particularly at the bottom of a pond, so that culture pollution (also called pond aging) of the pond is caused, the original ecological balance of the water body is destroyed, cultured fishes in the pond water body are in a stress state for a long time, physiological dysfunction, slow growth and acceleration of the water quality change frequency of the culture water body are caused, the water quality of the pond is eutrophicated, and in addition, the current pond water pollution sources are increased, so that the quality of the water quality which is more important than the prior water quality management is closely related to the culture yield, diseases and economic benefits. The water quality management adopts comprehensive management to ensure that the water quality condition meets the requirements of aquaculture objects.
Disclosure of Invention
The invention aims to provide a wireless network-based device for monitoring health states of a water source and fish schools in a fishing ground. The wireless sensor is set, so that the equipment can be controlled to increase the dissolved oxygen content of the water body by rotating the impeller; the buoy can be customized and replaced according to the needs of users, so that the monitoring of different requirements is facilitated; the hoist engine of inside passes through the motor and rotates and put into the different degree of depth with the sonar probe, can reach and carry out the health condition to the water layer of the different degree of depth in the pond and detect. The water quality monitoring device can detect the condition that the quantity of fish shoals at different depths of a water source is changed, and the health state of the fish shoals can be shared through statistics and comparison of big data.
A health state monitoring device for a water source and fish school in a fishing farm based on a wireless network comprises a central control system, an oxygenation system, a sonar placing system and a monitoring system, wherein the central control system is positioned at the uppermost part of the device and comprises a central control machine cover and a central control machine, a central control partition plate is arranged at the bottom of the central control machine cover, and the central control machine is positioned in the central control machine cover and fixedly connected to the central control partition plate;
the oxygenation system comprises an upper cover plate, a motor cabin, a low-speed alternating current synchronous motor impeller and a bottom cabin, wherein the motor cabin is fixedly connected to the bottom of a central control machine cover, the upper cover plate is fixedly connected to the outer side of the motor cabin, the low-speed alternating current synchronous motor is fixedly connected into the motor cabin, a large deep groove ball bearing is arranged in a bearing seat of the impeller, the bottom cabin is positioned below the motor cabin, a small deep groove ball bearing is arranged in an upper bearing seat of the bottom cabin, and an output shaft of the low-speed alternating current synchronous motor penetrates through the large deep groove ball bearing and is in transition fit connection with the small deep groove ball bearing;
the sonar placement system comprises a sonar probe, a direct-current gear reduction motor, a winch deep groove ball bearing and a coupler, wherein the direct-current gear reduction motor is fixedly connected to an inner bottom plate of the bottom bin through a motor base;
the monitoring system includes a buoy cover, a buoy, a filter screen, a PH sensor, a dissolved oxygen meter and a temperature sensor, wherein the three groups of buoys are connected to the outer side of the bottom bin through buoy bayonet locks, a buoy fixing plate is fixedly connected in the buoy, the PH sensor, the dissolved oxygen meter and the temperature sensor are located in the buoy and fixedly connected with the buoy fixing plate, the top of the buoy is provided with the buoy cover, and the bottom of the buoy is provided with the filter screen.
Preferably, the impeller is connected with an internal thread sleeve in a threaded manner, and the internal thread sleeve is fixedly connected with an output shaft of the low-speed alternating current synchronous motor through a fixing pin.
Preferably, a power supply and a wireless module are further arranged in the central control machine cover, the pH sensor, the dissolved oxygen meter and the temperature sensor are all connected with a central control machine, and the central control machine can be connected with a Web server through the wireless module.
Preferably, the winch deep groove ball bearing is fixedly connected to an inner bottom plate of the bottom bin through a bearing seat, and a power lithium battery for supplying power to the direct-current gear reduction motor is further arranged in the bottom bin.
Preferably, the inner side of the upper cover plate is provided with a buoy cover clamp, and the buoy cover is fixedly connected with a grapple matched with the buoy cover clamp.
Preferably, the Web server is provided with a Linux system, the wireless module is connected in a WIFI mode, and the Web server is further connected with a user mobile phone through WIFI.
The invention has the advantages that:
1. the equipment is placed in a culture fishing ground, and can monitor various parameters of water factors in the fishing ground in real time. The wireless sensor is set, so that the equipment can be controlled to increase the dissolved oxygen content of the water body by rotating the impeller.
2. The buoy can be customized and replaced according to the needs of users, and the monitoring of different requirements is convenient to meet.
3. The hoist engine of inside passes through the motor and rotates and put into the different degree of depth with the sonar probe, can reach and carry out the health condition to the water layer of the different degree of depth in the pond and detect. The water quality monitoring device can detect the condition that the quantity of fish shoals at different depths of a water source is changed, and the health state of the fish shoals can be shared through statistics and comparison of big data.
Drawings
FIG. 1 is a schematic view of the overall structure of the apparatus of the present invention;
FIG. 2 is a schematic view of the internal structure of the apparatus of the present invention;
FIG. 3 is a schematic structural diagram of an impeller portion of the apparatus of the present invention;
FIG. 4 is an enlarged view of portion A of FIG. 2;
FIG. 5 is an enlarged view of portion B of FIG. 2;
FIG. 6 is a schematic flow chart of the present invention;
the device comprises a central control machine cover 1, a central control machine cover 2, a buoy cover clamp 3, a buoy cover 4, a buoy 5, a sonar probe 6, a filter screen 7, a flexible cable 8, a bottom bin 9, a buoy clamping pin 10, an impeller 11, an upper cover plate 12, a motor bin 13, an internal thread sleeve 14, a small deep groove ball bearing 15, a fixing pin 16, a large deep groove ball bearing 17, a motor base 18, a direct current gear speed reducing motor 19, a bearing base 20, a winch deep groove ball bearing 21, an optical axis 22, a coupler 23, a buoy fixing plate 24.1, a PH sensor 24.2, a dissolved oxygen meter 24.3, a temperature sensor 25, a low-speed alternating current synchronous motor 26, a central control partition plate 27 and a central control machine.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 6, a health state monitoring device for a water source and a fish school in a fishing farm based on a wireless network comprises a central control system, an oxygenation system, a sonar placing system and a monitoring system, wherein the central control system is positioned at the uppermost part of the device and comprises a central control cover 1 and a central control machine 27, the bottom of the central control cover 1 is provided with a central control partition plate 26, and the central control machine 27 is positioned in the central control cover 1 and fixedly connected to the central control partition plate 26;
the oxygenation system comprises an upper cover plate 11, a motor cabin 12, a low-speed alternating current synchronous motor 25, an impeller 10 and a bottom cabin 8, wherein the motor cabin 12 is fixedly connected to the bottom of a center control machine cover 1, the upper cover plate 11 is fixedly connected to the outer side of the motor cabin 12, the low-speed alternating current synchronous motor 25 is fixedly connected into the motor cabin 12, a large deep groove ball bearing 18 is arranged in a bearing seat of the impeller 10, the bottom cabin 8 is positioned below the motor cabin 12, a small deep groove ball bearing 14 is arranged in an upper bearing seat of the bottom cabin 8, and an output shaft of the low-speed alternating current synchronous motor 25 penetrates through the large deep groove ball bearing 18 and is in transition fit connection with the small deep groove ball bearing 14;
the sonar placement system comprises a sonar probe 5, a direct-current gear reduction motor 18, a winch deep groove ball bearing 20 and a coupler 22, wherein the direct-current gear reduction motor 18 is fixedly connected to an inner bottom plate of the bottom bin 8 through a motor base 17, an optical axis 21 of the direct-current gear reduction motor 18 penetrates through the coupler 22 to be connected with the winch deep groove ball bearing 20, a flexible cable is wound on the coupler 22, and the bottom end of the flexible cable is connected with the sonar probe 5;
monitoring system pontoon cover 3, flotation pontoon 4, filter screen 6, PH sensor 24.1, dissolved oxygen appearance 24.2 and temperature sensor 24.3, flotation pontoon 4 is equipped with three groups to connect in the outside of bottom storehouse 8 through flotation pontoon bayonet lock 9, fixedly connected with flotation pontoon fixed plate 23 in the flotation pontoon 4, PH sensor 24.1, dissolved oxygen appearance 24.2 and temperature sensor 24.3 be located flotation pontoon 4 and with flotation pontoon fixed plate 23 fixed connection, the top of flotation pontoon 4 is equipped with pontoon cover 3, and its bottom is equipped with filter screen 6.
The impeller 10 is connected with an internal thread sleeve 13 through threads, and the internal thread sleeve 13 is fixedly connected with an output shaft of the low-speed alternating current synchronous motor 25 through a fixing pin 15.
The pH sensor 24.1, the dissolved oxygen meter 24.2 and the temperature sensor 24.3 are all connected with the central control machine 27, and the central control machine 27 can be connected with a Web server through the wireless module.
The winch deep groove ball bearing 20 is fixedly connected to an inner bottom plate of the bottom bin 8 through a bearing seat 19, and a power lithium battery for supplying power to the direct-current gear reduction motor 18 is further arranged in the bottom bin 8.
The inboard of upper cover plate 11 is equipped with flotation pontoon lid checkpost 2, fixedly connected with covers 2 matched with grapple with the flotation pontoon on the flotation pontoon lid 3.
The Web server is provided with a Linux system, the wireless module is connected in a WIFI mode, and the Web server is further connected with a user mobile phone through WIFI.
The specific implementation mode and principle are as follows:
the central control computer 27 can transmit data collected by the sensor to a client monitoring system in real time, wherein the client monitoring system comprises a Linux system, a Django web framework, a MySQL database and mobile equipment; PH sensor 24.1, dissolved oxygen appearance 24.2 and temperature sensor 24.3 install inside flotation pontoon 4 respectively, and three flotation pontoon 4 evenly installs around the bottom storehouse 8 with 120, and the quality of water parameter of gathering communicates through wireless transmission module and Linux system, thereby the user carries out the real-time supervision of being connected the communication through wifi and Linux system and realizes quality of water.
The PH sensor 24.1, the dissolved oxygen meter 24.2, the temperature sensor 24.3, the sonar probe 5 and the power management module are used as the input end of the central control machine 27, the central control machine 27 adopts an STM32F103V8T6 chip, the model of the temperature sensor 24.3 is WZP-Pt100, the temperature measurement range is-50-200 ℃, the wireless transmission module adopts an NRF24L01 chip for communication connection, and the working frequency is set to be 2.4 GHZ. The detection depth range of the sonar probe 5 is 0.6M-30M, and the working frequency is set to 125 kHz; the rotating speed of the low-speed alternating current synchronous motor 25 is set to be 50r/min, the output torque is 1.63 N.m, and the low-speed alternating current synchronous motor drives the impeller 10 to stir the water body so as to achieve the purpose of oxygenation.
When a switch of the monitoring device is turned on, the PH sensor 24.1, the dissolved oxygen meter 24.2 and the temperature sensor 24.3 process detected data through the central control machine 27 and upload the processed data to a user end in real time, if a value monitored by dissolved oxygen is lower than a set value, the oxygenation system starts the low-speed alternating current synchronous motor 25 to drive the impeller 10 to rotate and stir the water body to increase the oxygen content in water, and if the PH sensor 24.1 and the temperature sensor 24.3 are lower than preset values, the user end is automatically warned to remind the user of timely processing; placing the sonar system every 12 hours will automatically start the dc gear reduction motor 18 to lower the sonar probe 5 to monitor the approximate number of fish schools.
Based on the above, the device provided by the invention is placed in a culture fishing ground, and can be used for monitoring various parameters of water factors in the fishing ground in real time. The wireless sensor is set, so that the equipment can be controlled to increase the dissolved oxygen content of the water body by rotating the impeller; the buoy can be customized and replaced according to the needs of users, so that the monitoring of different requirements is facilitated; the hoist engine of inside passes through the motor and rotates and put into the different degree of depth with the sonar probe, can reach and carry out the health condition to the water layer of the different degree of depth in the pond and detect. The water quality monitoring device can detect the condition that the quantity of fish shoals at different depths of a water source is changed, and the health state of the fish shoals can be shared through statistics and comparison of big data.
It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of or equivalence to the invention are intended to be embraced therein.
Claims (6)
1. The device for monitoring the health state of a water source and fish school in a fishing farm based on a wireless network is characterized by comprising a central control system, an oxygenation system, a sonar placing system and a monitoring system, wherein the central control system is positioned at the uppermost part of the device and comprises a central control cover (1) and a central control machine (27), a central control partition plate (26) is arranged at the bottom of the central control cover (1), and the central control machine (27) is positioned in the central control cover (1) and fixedly connected to the central control partition plate (26);
the oxygenation system comprises an upper cover plate (11), a motor bin (12), a low-speed alternating current synchronous motor (25) impeller (10) and a bottom bin (8), wherein the motor bin (12) is fixedly connected to the bottom of a central control cover (1), the upper cover plate (11) is fixedly connected to the outer side of the motor bin (12), the low-speed alternating current synchronous motor (25) is fixedly connected into the motor bin (12), a large deep groove ball bearing (18) is arranged in a bearing seat of the impeller (10), the bottom bin (8) is positioned below the motor bin (12), a small deep groove ball bearing (14) is arranged in an upper bearing seat of the bottom bin (8), and an output shaft of the low-speed alternating current synchronous motor (25) penetrates through the large deep groove ball bearing (18) and is in transition fit connection with the small deep groove ball bearing (14);
the sonar placement system comprises a sonar probe (5), a direct-current gear reduction motor (18), a winch deep groove ball bearing (20) and a coupler (22), wherein the direct-current gear reduction motor (18) is fixedly connected to an inner bottom plate of a bottom bin (8) through a motor base (17), an optical axis (21) of the direct-current gear reduction motor (18) penetrates through the coupler (22) to be connected with the winch deep groove ball bearing (20), a flexible cable is wound on the coupler (22), and the bottom end of the flexible cable is connected with the sonar probe (5);
monitoring system pontoon cover (3), flotation pontoon (4), filter screen (6), PH sensor (24.1), dissolved oxygen appearance (24.2) and temperature sensor (24.3), flotation pontoon (4) are equipped with three groups to connect in the outside of sump (8) through flotation pontoon bayonet lock (9), fixedly connected with flotation pontoon fixed plate (23) in flotation pontoon (4), PH sensor (24.1), dissolved oxygen appearance (24.2) and temperature sensor (24.3) are located flotation pontoon (4) and with flotation pontoon fixed plate (23) fixed connection, the top of flotation pontoon (4) is equipped with pontoon cover (3), and its bottom is equipped with filter screen (6).
2. The wireless network-based health status monitoring device for the water source and the fish school of the fishery according to claim 1, wherein: the impeller (10) is connected with an internal thread sleeve (13) in a threaded manner, and the internal thread sleeve (13) is fixedly connected with an output shaft of the low-speed alternating current synchronous motor (25) through a fixing pin (15).
3. The wireless network-based health status monitoring device for the water source and the fish school of the fishery according to claim 1, wherein: still be equipped with power and wireless module in well accuse cover (1), PH sensor (24.1), dissolved oxygen appearance (24.2) and temperature sensor (24.3) all are connected with well accuse machine (27), well accuse machine (27) can be connected with the Web server through wireless module.
4. The wireless network-based health status monitoring device for the water source and the fish school of the fishery according to claim 1, wherein: the winch deep groove ball bearing (20) is fixedly connected to an inner bottom plate of the bottom bin (8) through a bearing seat (19), and a power lithium battery for supplying power to the direct-current gear reduction motor (18) is further arranged in the bottom bin (8).
5. The wireless network-based health status monitoring device for the water source and the fish school of the fishery according to claim 1, wherein: the inner side of the upper cover plate (11) is provided with a buoy cover clip (2), and the buoy cover (3) is fixedly connected with a grapple matched with the buoy cover clip (2).
6. The wireless network-based health status monitoring device for the water source and the fish school of the fishery according to claim 3, wherein: the Web server is provided with a Linux system, the wireless module is connected in a WIFI mode, and the Web server is further connected with a user mobile phone through WIFI.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110228176.2A CN112889737A (en) | 2021-03-02 | 2021-03-02 | Fishing ground water source and shoal of fish health state monitoring devices based on wireless network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110228176.2A CN112889737A (en) | 2021-03-02 | 2021-03-02 | Fishing ground water source and shoal of fish health state monitoring devices based on wireless network |
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| Publication Number | Publication Date |
|---|---|
| CN112889737A true CN112889737A (en) | 2021-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110228176.2A Withdrawn CN112889737A (en) | 2021-03-02 | 2021-03-02 | Fishing ground water source and shoal of fish health state monitoring devices based on wireless network |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116338120A (en) * | 2023-01-06 | 2023-06-27 | 连云港海洋源水产开发有限公司 | Water quality monitoring device for spotted maigre seedling culture and application method thereof |
-
2021
- 2021-03-02 CN CN202110228176.2A patent/CN112889737A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116338120A (en) * | 2023-01-06 | 2023-06-27 | 连云港海洋源水产开发有限公司 | Water quality monitoring device for spotted maigre seedling culture and application method thereof |
| CN116338120B (en) * | 2023-01-06 | 2023-11-17 | 连云港海洋源水产开发有限公司 | Water quality monitoring device for spotted maigre seedling culture and application method thereof |
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Application publication date: 20210604 |