An automatic feeding system for abalone farming and its usage method

Abstract

The present invention relates to an automatic feeding system for abalone farming and its usage method, belonging to the technical field of marine aquaculture. It includes a lifting module, a feeding module, a communication module, and a control module that are electrically connected to each other. The lifting module is used to lift the net cage to the water surface, and the feeding module is used to feed the net cage on the water surface. The control module instructs the lifting module to lift the net cage to the water surface. The communication module is used to obtain the current time and upload the time to the control module. The control module instructs the lifting module to adjust the lifting frequency of the net cage according to the time. The control module instructs the lifting module to increase the lifting frequency in spring and autumn, and the control module instructs the lifting module to decrease the lifting frequency in winter. The present invention directly or indirectly obtains the current season, the oxygen content in seawater, and the seawater temperature through the control module, and makes corresponding adjustments to the feeding frequency to complete intelligent feeding, thereby reducing the impact of feed feeding on the breeding environment.

Description

Technical Field

[0001] The present invention belongs to the technical field of mariculture, and particularly relates to an automatic feeding system for abalone farming and a method for using the same. Background Art

[0002] Abalone is a marine organism widely used for food, so there is a need for large-scale artificial farming of abalone. Relevant industrial personnel have set up a series of water facilities for centralized farming of abalone.

[0003] Currently, the main methods of farming abalone are offshore raft farming and deep-sea cage farming. In deep-sea farming, since the cages need to be sunk to the seabed for farming, it brings problems such as inconvenient feeding and difficult management. When feeding, it is very troublesome because the cages need to be pulled up for manual feeding. And due to low efficiency and a long time for pulling out the cages, abalone are out of seawater for a long time, increasing the mortality rate. For this reason, Chinese Patent CN108157260B discloses an automatic feeding device for farming abalone. The automatic feeding device is placed in the deep sea. The automatic feeding device includes a feeding mechanism, a hoisting mechanism, a feeding mechanism and a traveling mechanism. The feeding mechanism is erected above the feeding mechanism. The hoisting mechanism is arranged on the top of the feeding mechanism. The traveling mechanism is installed at the lower end of the feeding mechanism and fixed outside the fixed row of the feeding mechanism. The feeding mechanism moves back and forth along the traveling mechanism, so that the hoisting mechanism moves to directly above the cage in the feeding mechanism. The hoisting mechanism hoists the cage and transfers it directly below the feeding mechanism. The feeding mechanism feeds the cage in the feeding mechanism, so as to feed the abalone in the cage, which improves the feeding efficiency and solves the problems of troublesome feeding in abalone cage farming and the risk of abalone death during the feeding process.

[0004] However, in the above structure, the accurate control of the feed feeding amount is only achieved by adding a fixed amount of feed to the feed box each time and then putting the fixed amount of feed into the cage. However, in different situations, the feeding amount in the cage is different. For example, the bait is composed of large fresh seaweeds or dried seaweeds such as kelp and Gracilaria lemaneiformis cut into sections. When the water temperature is high in summer, the seaweeds that make up the feed are more likely to rot, and it is easier to cause an increase in ammonia nitrogen in the water and a decrease in dissolved oxygen due to excessive humus, which in turn leads to a deterioration of the aquaculture water quality. On the premise of the same single feeding amount, feeding too frequently will lead to water quality deterioration. In spring or autumn, when the water temperature is low, the probability of feed rotting is lower, and the feed put in at one time can be stored for a longer time without affecting the water body. And abalone are in a growth period with high activity, so at this time, the frequency of lifting the cage for feeding needs to be increased. For this reason, there is a need for an automatic feeding system for abalone farming with high flexibility in adjusting the feed delivery amount and a method for using the same. Summary of the Invention

[0005] To solve the above problems existing in the prior art, the present invention provides an automatic feeding system for abalone farming and its usage method, which has the characteristics of high flexibility in adjusting the feed input amount.

[0006] The object of the present invention can be achieved through the following technical solutions:

[0007] An automatic feeding system for abalone farming, comprising a lifting module, a feeding module, a communication module and a control module that are electrically connected to each other. The lifting module is used to lift the net cage to the water surface, and the feeding module is used to put feed into the net cage on the water surface. The control module instructs the lifting module to lift the net cage to the water surface, and the control module instructs the feeding module to feed the net cage when the lifting module lifts the net cage to the water surface;

[0008] The communication module is used to obtain the current time and upload the time to the control module. The control module instructs the lifting module to adjust the lifting frequency of the net cage according to the time. The control module instructs the lifting module to increase the lifting frequency in spring and autumn, and the control module instructs the lifting module to decrease the lifting frequency in winter.

[0009] As a preferred technical solution of the present invention, the communication module is used to obtain the current time and upload the time t to the control module. The control module instructs the lifting module to adjust the lifting frequency to once every F(t) days.

[0010] As a preferred technical solution of the present invention, the control module instructs the feeding module to adjust the feed input amount to the net cage according to the time. The control module instructs the feeding module to increase the feed input amount in spring and autumn, and the control module instructs the feeding module to increase the feed input amount in spring and autumn.

[0011] As a preferred technical solution of the present invention, the control module instructs the feeding module to adjust the feed input amount to L, where L = G(t) × L0.

[0012] As a preferred technical solution of the present invention, it further includes a sensing module. The sensing module is electrically connected to the control module and is used to detect the oxygen content in seawater and upload the oxygen content data to the control module.

[0013] As a preferred technical solution of the present invention, the sensing module is used to detect the oxygen content in seawater and upload the oxygen content data Y to the control module. The control module instructs the feeding module to adjust the feed input amount to L × A1, where A1 = Y0 / Y, and Y0 is the oxygen content constant pre-input to the control module.

[0014] As a preferred technical solution of the present invention, the sensing module is used to detect the seawater temperature and upload the temperature data to the control module. When the temperature exceeds the threshold, the control module instructs the feeding module to reduce the feeding amount. When the oxygen content is lower than the threshold, the control module instructs the feeding module to increase the feeding amount.

[0015] As a preferred technical solution of the present invention, the sensing module is used to detect the seawater temperature W and upload the temperature data to the control module. The control module instructs the feeding module to adjust the feeding amount to L×A1×A2, where A2 = W0 / W, and W0 is the temperature constant pre-entered into the control module.

[0016] A method for using an automatic feeding system for abalone farming, applicable to the above-mentioned automatic feeding system for abalone farming, includes the following steps:

[0017] Step 1: The communication module obtains the current time and uploads the time to the control module. The control module calculates the time since the last hoisting of the net cage.

[0018] Step 2: The control module determines the current season.

[0019] Step 3: Whether the control module is in spring or autumn. When the judgment result is yes, execute Step 4; otherwise, execute Step 5.

[0020] Step 4: The control module shortens the hoisting time and executes Step 6.

[0021] Step 5: The control module extends the hoisting time and executes Step 6.

[0022] Step 6: The control module determines whether the time since the last hoisting of the net cage is greater than the hoisting time. When the judgment result is yes, execute Step 7; otherwise, return to Step 1.

[0023] Step 7: The control module instructs the hoisting module to hoist the net cage.

[0024] The beneficial effects of the present invention are as follows:

[0025] (1) By enabling the control module to obtain the current time to judge the season, when the water temperature is high in summer and frequent feeding will cause the water quality to deteriorate, the feeding frequency is reduced. In spring or autumn, when the water temperature is low and the probability of feed rotting is lower, the feed put in at one time can be stored for a longer time without affecting the water body, and the abalone is in the growth period with high activity. Therefore, when it is necessary to increase the frequency of floating feeding of the net cage, the frequency of floating feeding is increased, and the hoisting frequency is adjusted according to the season, thereby adjusting the feeding frequency, improving the flexibility of adjusting the feed delivery amount. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] For the convenience of those skilled in the art to understand, the present invention will be further described below with reference to the accompanying drawings.

[0027] Figure 1 Schematic diagram of the execution steps of the system of the present invention;

[0028] Figure 2 Side view schematic diagram of the overall structure of the present invention;

[0029] Figure 3 Front view schematic diagram of the overall structure of the present invention;

[0030] Figure 4 Block diagram of the control circuit of the present invention.

[0031] Description of main component symbols:

[0032] In the figure: 1. Hoisting module; 2. Feeding module; 3. Cage; 4. Control module. Specific embodiments

[0033] To further elaborate on the technical means and effects adopted by the present invention to achieve the predetermined invention purpose, the following, in conjunction with the accompanying drawings and preferred embodiments, details the specific embodiments, structures, features and their effects according to the present invention as follows.

[0034] Please refer to Figures 1-4 , an automatic feeding system for abalone farming, including a hoisting module, a feeding module, a communication module and a control module that are electrically connected to each other. The hoisting module is used to lift the cage to the water surface, the feeding module is used to feed the cage on the water surface with feed, the control module commands the hoisting module to lift the cage to the water surface, and the control module commands the feeding module to feed the cage when the hoisting module lifts the cage to the water surface;

[0035] Specifically, the hoisting module is not only used to lift the cage from the seawater aquaculture area to the sea surface, but also used to drive the cage to move directly below the feeding port

[0036] At the same time, each cage includes at least a feeding port, and the feeding port is set to open unidirectionally to prevent the abalone in the cage from escaping;

[0037] Since the control module controls the hoisting of the cage by the hoisting program, the control module can judge whether the hoisting is completed according to whether the hoisting program is executed. When it is judged that the hoisting is completed, the feeding port is directly above the feeding port of the cage, and the control module commands the feeding module to throw out the feed. The feed falls to the feeding port under the action of gravity and enters the cage through the unidirectionally opened feeding port, completing the automatic feeding of the cage;

[0038] Specifically, the control module itself also includes a timer for counting the time since the last hoisting procedure of the asset. This time represents the time elapsed since the last feeding. When the time exceeds the feeding frequency date, for example, when feeding is required once every two days at this time, and the timer shows that more than two days have passed since the last execution of the hoisting procedure, it means that a new feeding is required. Therefore, the control module determines once every second whether the time recorded by the timer exceeds the feeding frequency date. When the judgment result is yes, the control module instructs the hoisting module to hoist the net cage and then executes the subsequent automated feeding steps.

[0039] Since the bait is composed of large fresh or dried seaweeds such as kelp and Gracilaria lemaneiformis cut into sections, and in summer, the water temperature is relatively high. At this time, the seaweeds that make up the feed are more likely to rot, and it is easier to cause an increase in ammonia nitrogen and a decrease in dissolved oxygen in the water due to excessive humus, which in turn leads to a deterioration of the aquaculture water quality. On the premise of keeping the single feeding amount unchanged, overly frequent feeding will cause the water quality to deteriorate, and feeding needs to be carried out in small amounts and multiple times to increase the feeding frequency. In spring or autumn, the water temperature is relatively low, and the probability of feed rotting is lower. At this time, the feed put in can be stored for a longer time without affecting the water body. Therefore, at this time, it is necessary to appropriately maintain the floating feeding frequency of the net cage, so that the floating feeding frequency of the net cage needs to be maintained at a moderate level. In winter;

[0040] To this end, the communication module is used to obtain the current time and upload it to the control module. The control module instructs the hoisting module to adjust the hoisting frequency of the net cage according to the time. The control module instructs the hoisting module to increase the hoisting frequency in spring and autumn, and the control module instructs the hoisting module to decrease the hoisting frequency in winter;

[0041] Specifically, the communication module is used to download the current time data accurate to the day from the public timing platform and upload it to the control module. After receiving the time data, the control module calculates the number of days between the time shown in the time data and the last January 1st, and then judges the season and the corresponding feeding frequency according to the size of the number of days;

[0042] For judging the season and the corresponding feeding frequency, the control module has previously input a function F(t) for judging the date and the feeding amount. The control module instructs the hoisting module to adjust the hoisting frequency to once every F(t) days, where F(t)=2sin(t / 88 + 3)+3, t is the number of days, 0≤t≤365, and the value of F(t) is the integer of the function value. If it is a leap year, when t>365, the control module takes t = 365. If it is not a leap year, when t = 365, it means that the next date is January 1st of the new year. At this time, after the control module downloads the time data and calculates, the number of days t between the displayed time and the last January 1st is 0;

[0043] Meanwhile, for the process of adjusting the lifting frequency, specifically, after the lifting module performs a lifting operation each time, it sends a signal indicating the completion of the lifting to the control module. Each time the control module receives the signal indicating the completion of the lifting, it checks the value Z of F(t) = 2sin(t / 88 + 3) + 3. Subsequently, the control module instructs the lifting module to perform another lifting operation Z days later from this moment, thus completing the adjustment of the lifting frequency of the lifting module.

[0044] When the current time is in spring or autumn, it is necessary to appropriately maintain the frequency of floating feeding in the net cage. According to the function graph of F(t), when t is close to 0 and 270, the value of F(t) = 2sin(t / 88 + 3) + 3 is close to 3. At this time, the control module instructs the lifting module to perform a lifting and feeding operation approximately once every 3 days, thus maintaining the frequency of floating feeding in the net cage at an appropriate level in spring or autumn.

[0045] When the current time is in summer, it is necessary to increase the frequency of floating feeding in the net cage. When t is close to 90, the value of F(t) = 2sin(t / 88 + 3) + 3 is close to 1. At this time, the control module instructs the lifting module to perform a lifting and feeding operation approximately once every 1 day, thus increasing the frequency of floating feeding in summer.

[0046] When the current time is in winter, it is necessary to decrease the frequency of floating feeding in the net cage. When t is close to 360, the value of F(t) = 2sin(t / 88 + 3) + 3 exceeds 4. At this time, the control module instructs the lifting module to perform a lifting and feeding operation approximately once every 4 days, thus decreasing the frequency of floating feeding in winter.

[0047] By enabling the control module to obtain the current time to determine the season, when the water temperature is high in summer and frequent feeding will cause the water quality to deteriorate, the feeding frequency is decreased. In spring or autumn, when the water temperature is low and the probability of feed rotting is lower, the feed input at one time can be stored for a longer time without affecting the water body, and the abalones are in the growth period with high activity. Therefore, when it is necessary to increase the frequency of floating feeding in the net cage at this time, the frequency of floating feeding is increased, thus completing the adjustment of the lifting frequency and then the feeding frequency according to the season, improving the flexibility of adjusting the feed input amount.

[0048] In the above process, the amount of feed input per single feeding of the feeding module will also affect the total feed input amount. In spring and autumn, the abalones are in the growth period with high activity and intake, and it is necessary to supplement the feed in a timely manner. In summer, the probability of residual feed spoilage is high, and it is necessary to feed a small amount frequently with low input to ensure the survival of the abalones while reducing the feed residue rate. In winter, the floating frequency is low, and at the same time, the abalones have low activity and low intake, so it is also necessary to reduce the feed input amount. Therefore, the control module instructs the feeding module to increase the feed input amount in spring and autumn, and decrease the feed input amount in summer and winter.

[0049] Specifically, the control module is pre - input with a standard feeding amount L0. Each time the control module feeds, it instructs the feeding module to adjust the feeding amount of this time to L;

[0050] Where L = G(t)×L0, G(t)=2sin(t / 29 - 1.5)+3, 0≤t≤365;

[0051] When t is in spring or autumn, the value of t is close to 90 and 270. At this time, the value of G(t) is relatively large, close to 5, and the value of L = G(t)×L0 is relatively large, completing the increase of the single - feeding amount when feed needs to be supplemented in time in spring and autumn;

[0052] When t is in summer or winter, the value of t is close to 180 and 360. At this time, the value of G(t) is relatively small, close to 1, and the value of L = G(t)×L0 is relatively small, completing the reduction of the single - feeding amount when the probability of residual feed corruption is relatively high or the abalone intake is relatively small.

[0053] In different situations, the oxygen content in seawater is different. When the oxygen content is relatively high, the feed spoilage speed is relatively fast, and the feeding amount needs to be reduced to reduce the amount of residual feed, thereby reducing the probability of spoilage. When the oxygen content is relatively low and the feed spoilage probability is relatively slow, the feeding amount needs to be increased to ensure sufficient aquaculture feed. For this reason, it also includes a sensing module. The sensing module is electrically connected to the control module, and the sensing module is used to detect the oxygen content in seawater and upload the oxygen content data to the control module;

[0054] Specifically, the control module instructs the feeding module to adjust the feeding amount to L×A1, where A1 = Y0 / Y, and Y0 is the oxygen content constant pre - input to the control module;

[0055] When Y is relatively large, it represents that the oxygen content is relatively large, and the feeding amount needs to be reduced. At this time, the value of A1 = Y0 / Y is relatively small. When the control module instructs the feeding module to adjust the feeding amount to L×A1, it completes the reduction of the feeding amount when the oxygen content is relatively large;

[0056] When Y is relatively small, it represents that the oxygen content is relatively small, and the feeding amount needs to be increased. At this time, the value of A1 = Y0 / Y is relatively large. When the control module instructs the feeding module to adjust the feeding amount to L×A1, it completes the increase of the feeding amount when the oxygen content is relatively small.

[0057] The sensing module is used to detect the seawater temperature and upload the temperature data to the control module. When the temperature exceeds the threshold, the control module instructs the feeding module to reduce the feeding amount. When the seawater temperature is lower than the threshold, the control module instructs the feeding module to increase the feeding amount.

[0058] Specifically, the control module instructs the feeding module to adjust the feeding amount to L×A1×A2, where A2 = W0 / W, and W0 is the temperature constant pre - input to the control module.

[0059] The present invention also includes a method for using an automatic feeding system for abalone farming, which is applicable to the above-mentioned automatic feeding system for abalone farming and includes the following steps:

[0060] Step 1: The communication module obtains the current time and uploads the time to the control module, and the control module calculates the time since the last hoisting of the net cage;

[0061] Step 2: The control module determines the current season;

[0062] Step 3: Whether the control module is in spring or autumn. If the judgment result is yes, execute Step 4; otherwise, execute Step 5;

[0063] Step 4: The control module shortens the hoisting time and executes Step 6;

[0064] Step 5: The control module extends the hoisting time and executes Step 6;

[0065] Step 6: The control module determines whether the time since the last hoisting of the net cage is greater than the hoisting time. If the judgment result is yes, execute Step 7; otherwise, return to Step 1;

[0066] Step 7: The control module instructs the hoisting module to hoist the net cage.

[0067] As mentioned above, it is only a preferred embodiment of the present invention and does not impose any form of limitation on the present invention. Although the present invention has been disclosed above with preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art can make some changes or modifications to equivalent embodiments by using the disclosed technical content within the scope of the technical solution of the present invention. However, as long as it does not depart from the content of the technical solution of the present invention, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention still fall within the scope of the technical solution of the present invention.

Claims

1. An automatic feeding system for abalone farming, characterized in that: It includes a lifting module, a feeding module, a communication module and a control module which are electrically connected to each other. The lifting module is used to lift the net cage to the water surface. The feeding module is used to feed the net cage on the water surface with feed. The control module instructs the lifting module to lift the net cage to the water surface, and the control module instructs the feeding module to feed the net cage when the lifting module lifts the net cage to the water surface; The communication module is used to obtain the current time and upload the time to the control module. The control module instructs the lifting module to adjust the lifting frequency of the net cage according to the time. The control module instructs the lifting module to increase the lifting frequency in spring and autumn. The control module instructs the lifting module to decrease the lifting frequency in winter; The communication module is used to obtain the current time and upload the time t to the control module. The control module instructs the lifting module to adjust the lifting frequency to once every F(t) days, where F(t)=2sin(t / 88 + 3)+3, 0≤t≤365, and t is the number of days since the last January 1st; The control module instructs the feeding module to adjust the feeding amount of the net cage according to the time. The control module instructs the feeding module to increase the feeding amount in spring and autumn; The control module instructs the feeding module to adjust the feeding amount to L, where L = G(t)×L0, G(t)=2sin(t / 29 - 1.5)+3, 0≤t≤365, and L0 is the pre - input standard feeding amount.

2. The automatic feeding system for abalone farming according to claim 1, wherein: It further includes a sensing module. The sensing module is electrically connected to the control module. The sensing module is used to detect the oxygen content in seawater and upload the oxygen content data to the control module.

3. The automatic feeding system for abalone farming according to claim 2, wherein: The sensing module is used to detect the oxygen content in seawater and upload the oxygen content data Y to the control module. The control module instructs the feeding module to adjust the feeding amount to L×A1, where A1 = Y0 / Y, and Y0 is the oxygen content constant pre - input to the control module.

4. The automatic feeding system for abalone farming according to claim 3, wherein: The sensing module is used to detect the seawater temperature and upload the temperature data to the control module. The control module instructs the feeding module to decrease the feeding amount when the temperature exceeds the threshold. The control module instructs the feeding module to increase the feeding amount when the oxygen content is lower than the threshold.

5. The automatic feeding system for abalone farming according to claim 4, wherein: The sensing module is used to detect the seawater temperature W and upload the temperature data to the control module. The control module instructs the feeding module to adjust the feeding amount to L×A1×A2, where A2 = W0 / W, and W0 is the temperature constant pre - input to the control module.

6. A method for using an automatic feeding system for abalone farming, characterized in that: It is applicable to an automatic feeding system for abalone farming described in any one of claims 1 - 5, including the following steps: Step 1: The communication module obtains the current time and uploads the time to the control module. The control module calculates the time since the last lifting of the net cage; Step 2: The control module determines whether it is spring or autumn. If the determination result is yes, execute Step 3; otherwise, execute Step 4; Step 3: The control module shortens the lifting time and executes Step 5; Step 4: The control module extends the lifting time and executes Step 5; Step 5: The control module determines whether the time since the last lifting of the net cage is greater than the lifting time. If the determination result is yes, execute Step 6; otherwise, return to Step 1; Step 6: The control module instructs the lifting module to lift the net cage.

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