Device for observing feeding preferences of crabs on different foods

Abstract

The utility model belongs to the technical field of experimental devices, and particularly relates to a device for observing the feeding preference of crabs to different foods, which comprises a movable operating table, a test box for placing the crabs is arranged at the top of the operating table, and a food placing table capable of placing different foods is arranged in the test box. A controller and a camera which are electrically connected are sequentially arranged above the test box, the shooting end of the camera inclines downwards and faces the food placing table, one side of the food placing table inclines downwards and extends to form an extension part, and a nylon net fence of a U-shaped structure is arranged at the edge of the top of the side, away from the extension part, of the food placing table; the controller and the camera are additionally arranged, the crab feeding behavior is recorded in real time through the camera, food shape photos are intercepted and stored every half an hour, the photos are called out to be compared, videos are called out to be checked when needed, and real-time crab feeding observation of the equipment is achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of experimental devices, and in particular relates to a device for observing crabs' feeding preferences for different foods. Background Art

[0002] An observation device is needed in the experiment of crab's feeding preference for different foods, through which the feeding preference of crab is observed.

[0003] In the two patented technologies of an experimental cage with a fixed feeding plate (Patent No. CN202220705178.6) and an experimental cage with an adjustable feeding height (Patent No. CN202220705284.4), both devices are equipped with extension openings for experimental animals to extend their arms, which are not suitable for crabs to feed.

[0004] Patent No. CN201020523070.2 Monkey Delayed Feeding Experiment Training Device and Patent No. CN201621098481.5 A Training and Responding Experimental Device for Birds’ Purposeful Feeding Behavior. Both patents are devices for training animal feeding behavior. Their purpose is to observe and increase animal memory through the reward mechanism of feeding. They are not suitable for observation experiments on feeding preference based on instinct. Utility Model Content

[0005] The utility model aims to provide a device for observing crabs' feeding preferences for different foods, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an observation device for crabs' feeding preferences for different foods, comprising: a movable operating table, a test box for placing crabs is provided on the top of the operating table, a food placement table for placing different foods is provided in the test box, an electrically connected controller and a camera are provided in sequence above the test box, and a shooting end of the camera is tilted downward toward the food placement table.

[0007] Preferably, an extension portion is extended downwardly in an inclined manner on one side of the food placement table, and the extension portion is used for the crab to climb onto the food placement table. A nylon mesh fence with a U-shaped structure is provided at the top edge of the food placement table away from the extension portion.

[0008] Preferably, the controller includes a smart phone and a line control box electrically connected to the camera, a door-type frame is longitudinally installed on the top of the operating table, the smart phone and the line controller are both installed on the door-type frame, and the door-type frame is provided with a mounting frame for supporting the camera.

[0009] Preferably, a water supply mechanism for providing liquid medium to the test box is also installed on the operating table, a storage space for accommodating the liquid medium is formed under the food placement table, and one end of the extension portion extends into the storage space, an installation compartment for accommodating the water supply mechanism is opened in the operating table, and a thermometer for water temperature detection is installed at the bottom of the test box.

[0010] Preferably, the water supply mechanism comprises a water tank and a first water pump installed in the water tank, and the first water pump is installed with a first water pipe extending into the test box.

[0011] Preferably, a water inlet pipe for supplying water to the water tank is also installed outside the operating table, one end of the water inlet pipe is provided with a detachable plug, and the other end of the water inlet pipe extends obliquely downward into the water tank.

[0012] Preferably, a filtering mechanism for filtering the liquid medium is also installed in the test box, and one end of the filtering mechanism extends into the water tank.

[0013] Preferably, the filtering mechanism includes a filter box longitudinally arranged on the top of the operating table, wherein a cover plate and a plurality of filter layers of different types are sequentially arranged in the filter box from top to bottom, the bottom of the filter box is connected to a sewer pipe extending into the water tank, and a pumping mechanism for pumping water is installed between the test box and the top of the filter box.

[0014] Preferably, the pumping mechanism includes a second water pump and a second water pipe installed on the second water pump, the second water pump is arranged between the cover plate and the filter layer, and one end of the second water pipe away from the second water pump extends into the test box.

[0015] Preferably, the outside of the operating table is also covered with a protective cover for protecting the test box and the filter box, the top of the operating table is provided with a boss protruding upward, the edge of the boss is provided with a slot, the inner side of the bottom of the protective cover is provided with a block engaged in the slot, and the top of the protective cover is provided with an air vent.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] (1) The utility model adds a controller and a camera to record the feeding behavior of crabs in real time through the camera, captures photos of food shapes every half hour for storage, calls out photos for comparison, and calls out videos for viewing when necessary, thereby realizing real-time feeding observation of crabs by the device.

[0018] (2) The utility model adds a food placement table and a nylon mesh fence. The food placement table makes it easy to place food on one side of the crab, making it easier for the crab to take the food. At the same time, the nylon mesh fence prevents the crab from falling off the food placement table when taking the food.

[0019] (3) The utility model adds a smart phone, a line control box, etc., and the modules used in the equipment are all civilian products commonly used in the market, with mature technology, stable operation, safety and reliability.

[0020] (4) The utility model provides a living environment for crabs in the test box through the added water supply mechanism and filtering mechanism.

[0021] (5) The utility model can protect the test box and the filter box through the added protective cover and the protective cover to prevent the test box and the filter box from being damaged. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a front view of the utility model;

[0023] Figure 2 It is a cross-sectional view of the utility model;

[0024] Figure 3 A three-dimensional diagram of the food placement table of the utility model;

[0025] Figure 4 for Figure 2 Enlarged view of point A in the middle;

[0026] In the figure: 1. Protective cover; 2. Plug; 3. Water inlet pipe; 4. Operating table; 5. Installation compartment; 6. Water tank; 7. First water pump; 8. First water pipe; 9. Drain pipe; 10. Thermometer; 11. Filter box; 12. Filter layer; 13. Second water pipe; 14. Second water pump; 15. Cover plate; 16. Food placement table; 17. Nylon mesh fence; 18. Air vent; 19. Controller; 20. Camera; 21. Door frame; 22. Installation frame; 23. Test box; 24. Block; 25. Card slot. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] refer to Figure 2As shown, the utility model provides a device for observing the feeding preference of crabs for different foods, comprising: a movable operating table 4, a test box 23 for placing crabs is provided on the top of the operating table 4, a food placement table 16 for placing different foods is provided in the test box 23, and an electrically connected controller 19 and a camera 20 are provided in sequence above the test box 23, and the shooting end of the camera 20 is tilted downward toward the food placement table 16.

[0029] Combination Figure 4 As shown, the controller 19 includes a smart phone and a line control box electrically connected to the camera 20, a door frame 21 is longitudinally installed on the top of the operating table 4, and the smart phone and the line controller 19 are both installed on the door frame 21, and a mounting frame 22 for supporting the camera 20 is provided on the door frame 21.

[0030] As mentioned above, when using the operating table 4, test box 23, food placement table 16, controller 19 and camera 20 provided by the utility model, the operating table 4 is welded from square steel pipes, and universal wheels are installed at the bottom for easy movement. The base of the operating table 4 has two layers, the bottom layer is placed with a water tank 6, and the upper layer is placed with a test box. The operating table 4 is provided with a number of vertical rods for convenient installation of equipment such as the camera 20; the power socket is installed on the operating table 4 through insulating materials. The wires are connected to the water pump, the camera 20, and the experimental control console through the line control box.

[0031] The camera 20 is a common high-precision camera 20 on the market, which is installed on the door frame 21 through a pan-tilt platform. The camera 20 faces the experimental box and can observe the food placement table 16. The camera 20 with infrared function is preferably convenient for observing the night situation. The thermometer 10 is a common product, preferably a product that can realize the online monitoring function. The monitoring equipment can be expanded as needed. The operating table 4 is a smart phone device installed on the door frame 21.

[0032] In the present utility model, combined with Figure 3 As shown, one side of the food placement table 16 of this embodiment is inclined downward to extend an extension portion, which is used for crabs to climb onto the food placement table 16. A U-shaped nylon mesh fence 17 is provided at the top edge of the food placement table 16 away from the extension portion.

[0033] As mentioned above, when using the food placement table 16 provided by the utility model, the food placement table 16 provides a placement position for food, and at the same time, the extension portion facilitates crabs to climb onto the food placement table 16, and the nylon net fence 17 prevents crabs on the food placement table 16 from falling off.

[0034] In the present utility model, combined with Figure 3As shown, a water supply mechanism for providing liquid medium to the test box 23 is also installed on the operating table 4 of the present embodiment, a storage space for accommodating the liquid medium is formed under the food placement table 16, and one end of the extension portion extends into the storage space, an installation compartment 5 for accommodating the water supply mechanism is provided in the operating table 4, and a thermometer 10 for water temperature detection is installed at the bottom of the test box 23.

[0035] As mentioned above, when using the water supply mechanism provided by the utility model, an installation space is provided for the water supply mechanism in the operating table 4 through the installation bin 5, and the water supply mechanism can provide liquid medium for the test box 23, thereby providing a living environment for crabs, and the temperature of the living environment of the shoes can be detected through the thermometer 10.

[0036] Further, in order to facilitate water supply to the test box 23, as shown in the reference figure, the water supply mechanism includes a water tank 6 and a first water pump 7 installed in the water tank 6, and a first water pipe 8 extending into the test box 23 is installed on the first water pump 7. The liquid medium in the water tank 6 can be introduced into the test box 23 through the first water pump 7 and the first water pipe 8, thereby providing a living environment for the crabs in the test box 23.

[0037] Furthermore, in order to supply water to the water tank 6, as shown in the reference figure, a water inlet pipe 3 for supplying water to the water tank 6 is also installed outside the operating table 4, and a detachable plug 2 is provided at one end of the water inlet pipe 3, and the other end of the water inlet pipe 3 extends obliquely downward into the water tank 6. Liquid medium can be introduced into the water tank 6 through the water inlet pipe 3, so that water is supplied to the water tank 6, and the plug 2 can prevent foreign objects from entering the water tank 6 when the water inlet pipe 3 is not in use.

[0038] In the present utility model, combined with Figure 3 As shown, a filtering mechanism for filtering the liquid medium is also installed in the test box 23 of this embodiment, and one end of the filtering mechanism extends into the water tank 6.

[0039] Combination Figure 2 As shown, the filtering mechanism includes a filtering box 11 longitudinally arranged on the top of the operating table 4, and a cover plate 15 and a plurality of filtering layers 12 of different types are arranged in the filtering box 11 from top to bottom. The bottom of the filtering box 11 is connected to a downpipe 9 extending into the water tank 6, and a pumping mechanism for pumping water is installed between the test box 23 and the top of the filtering box 11.

[0040] As mentioned above, when using the filtering mechanism provided by the utility model, the filter box 11 in the filtering mechanism provides an installation position for multiple filter layers 12, and the liquid medium in the test box 23 is introduced into the filter box 11 through the pumping mechanism. At this time, the liquid medium is filtered by the filter layer 12, and the filtered liquid medium is circulated into the water tank 6 through the downpipe 9.

[0041] Further, in order to facilitate the introduction of the liquid medium in the test box 23 into the filter box 11, as shown in the reference figure, the pumping mechanism includes a second water pump 14 and a second water pipe 13 installed on the second water pump 14, the second water pump 14 is arranged between the cover plate 15 and the filter layer 12, and the end of the second water pipe 13 away from the second water pump 14 extends into the test box 23. The liquid medium in the test box 23 can be pumped into the filter box 11 through the second water pump 14 and the second water pipe 13, and the filtered liquid medium circulates into the water tank 6 through the downpipe 9, and the filter layer 12 in the filter box 11 is conveniently cleaned through the cover plate 15.

[0042] In the present utility model, combined with Figure 3 As shown, the outside of the operating table 4 of the present embodiment is also covered with a protective cover 1 for protecting the test box 23 and the filter box 11, a boss protrudes upward from the top of the operating table 4, a slot 25 is provided at the edge of the boss, a block 24 is provided on the inner side of the bottom of the protective cover 1 and is engaged in the slot 25, and an air vent 18 is provided on the top of the protective cover 1.

[0043] As mentioned above, when using the protective cover provided by the utility model, the protective cover is made of a transparent acrylic structure, and the protective cover 1 is detachably mounted on the boss on the top of the operating table 4 through the card slot 25 and the card block 24, so that the test box 23 and the filter box 11 are protected by the protective cover 1, and the crab is convenient for ventilation through the air vents 18.

[0044] The working principle of this utility model:

[0045] The smart phone, the camera 20 and the water pump are connected and powered by the line control box.

[0046] Pump an appropriate amount of water into the experimental box until the water surface is flush with the food placement table 16.

[0047] Different types of leaves and grass leaves are placed on the food placement table 16 .

[0048] Add crab.

[0049] The camera 20 is turned on to record the crab's behavior in real time, and food shape photos are captured and stored every half hour.

[0050] Bring up photos for comparison and, if necessary, videos for review.

[0051] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A device for observing crabs' feeding preferences for different foods, characterized in that: include: A movable operating table (4) is provided on the top of the operating table (4) with a test box (23) for placing crabs, a food placement table (16) for placing different foods is provided in the test box (23), and an electrically connected controller (19) and a camera (20) are provided in sequence above the test box (23), and a shooting end of the camera (20) is tilted downward toward the food placement table (16).

2. The device for observing crabs' feeding preferences for different foods according to claim 1, characterized in that: An extension portion is provided on one side of the food placement platform (16) and extends downwardly in an inclined manner. The extension portion is used for the crab to climb onto the food placement platform (16). A nylon mesh fence (17) with a U-shaped structure is provided at the top edge of the food placement platform (16) on the side away from the extension portion.

3. The device for observing crabs' feeding preferences for different foods according to claim 1, characterized in that: The controller (19) comprises a smart phone and a line control box electrically connected to the camera (20); a door frame (21) is longitudinally mounted on the top of the operating table (4); the smart phone and the line controller (19) are both mounted on the door frame (21); and a mounting frame (22) for supporting the camera (20) is provided on the door frame (21).

4. The device for observing crabs' feeding preferences for different foods according to claim 2, characterized in that: The operating table (4) is also provided with a water supply mechanism for providing a liquid medium to the test box (23); a storage space for accommodating the liquid medium is formed below the food placement table (16), and one end of the extension portion extends into the storage space; an installation compartment (5) for accommodating the water supply mechanism is provided in the operating table (4); and a thermometer (10) for detecting water temperature is installed at the bottom of the test box (23).

5. The device for observing crabs' feeding preferences for different foods according to claim 4, characterized in that: The water supply mechanism comprises a water tank (6) and a first water pump (7) installed in the water tank (6); the first water pump (7) is installed with a first water pipe (8) extending into the test box (23).

6. The device for observing crabs' feeding preferences for different foods according to claim 5, characterized in that: A water inlet pipe (3) for supplying water to the water tank (6) is also installed outside the operating table (4); a detachable plug (2) is provided at one end of the water inlet pipe (3); and the other end of the water inlet pipe (3) extends obliquely downward into the water tank (6).

7. The device for observing crabs' feeding preferences for different foods according to claim 5, characterized in that: A filtering mechanism for filtering the liquid medium is also installed in the test box (23), and one end of the filtering mechanism extends into the water tank (6).

8. The device for observing crabs' feeding preferences for different foods according to claim 7, characterized in that: The filtering mechanism comprises a filtering box (11) arranged longitudinally on the top of the operating table (4), wherein a cover plate (15) and a plurality of filtering layers (12) of different types are arranged in sequence from top to bottom in the filtering box (11), a downpipe (9) extending into the water tank (6) is arranged at the bottom of the filtering box (11), and a pumping mechanism for pumping water is installed between the test box (23) and the top of the filtering box (11).

9. The device for observing crabs' feeding preferences for different foods according to claim 8, characterized in that: The pumping mechanism comprises a second water pump (14) and a second water pipe (13) mounted on the second water pump (14); the second water pump (14) is arranged between the cover plate (15) and the filter layer (12); and one end of the second water pipe (13) facing away from the second water pump (14) extends into the test box (23).

10. The device for observing crabs' feeding preferences for different foods according to claim 8, characterized in that: The operating table (4) is also covered with a protective cover (1) on the outside for protecting the test box (23) and the filter box (11); a boss protrudes upward from the top of the operating table (4); a slot (25) is provided at the edge of the boss; a block (24) is provided on the inner side of the bottom of the protective cover (1) and is engaged in the slot (25); and a vent hole (18) is provided on the top of the protective cover (1).

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