Semi-automatic measuring device for fish body character characteristics

Abstract

A fish body character characteristic semi-automatic measuring device comprises a measuring platform which is provided with a flat surface and used for fixing a fish body, and a weighing assembly which is arranged below the measuring platform and used for weight measurement. The first shooting assembly is arranged on one side of the measuring platform and is used for taking an image of the fish body of the measuring platform from the side surface; the second shooting assembly is arranged above the measuring platform and is used for taking an image of the fish body on the measuring platform from the upper side; and the fish body fixing assembly is used for fixing the fish body on the measuring platform. A fish body is placed on the measuring platform, the fish body is horizontally fixed through the fish body fixing assembly, the measuring platform is weighed through the weighing assembly, the weight information of the fish body is obtained, the fish body is imaged through the first shooting assembly arranged on the side face and the second shooting assembly arranged on the upper portion, various fish body information can be obtained, and the fish body information is obtained through imaging. Manual measurement is not needed, use is convenient, the measurement speed is high, and precision is high.

Description

Technical Field

[0001] The utility model relates to the technical field of fish body measurement equipment, in particular to a semi-automatic measurement device for fish body characteristics. Background Art

[0002] China has made great achievements in the field of aquaculture, accounting for more than 70% of the world's total production. Fish information is crucial for various aquaculture management activities, such as feeding decision-making, grading optimization, sales time, fish farming density and dissolved oxygen consumption calculation, antibiotic dosage, etc. Therefore, accurate measurement of fish information is of great significance to improving the efficiency of aquaculture management.

[0003] At present, the measurement of fish body length is mostly done manually. The operator needs to hold a measuring ruler to measure, but it is subject to subjectivity and requires a high level of technical skills. At the same time, this method is labor-intensive and inefficient, and the measurement results are not stable enough to truly and accurately reflect the actual results. In addition, since the measurement takes a long time, it may cause stress reactions in fish and even cause dehydration and death.

[0004] Therefore, there is an urgent need to provide an automatic measurement device for fish body characteristics to solve the problems encountered in manual measurement methods and achieve fast, convenient and efficient automatic measurement. Summary of the invention

[0005] The invention aims to provide a device for automatically measuring fish body characteristics which is efficient, has high measuring accuracy and is easy to use.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A semi-automatic measuring device for fish body characteristics,

[0008] It includes a measuring platform, provided with a flat surface for fixing the fish body,

[0009] A weighing assembly is arranged below the measuring platform and is used for weight measurement;

[0010] A first shooting component disposed on one side of the measuring platform is used to capture an image of the fish body on the measuring platform from the side;

[0011] A second shooting component is arranged above the measuring platform to take an image of the fish body on the measuring platform from above;

[0012] The fish body fixing component is used to fix the fish body on the measuring platform.

[0013] Wherein, the fish body fixing component comprises a fixing film and a film unwinding component, and the fixing film is wound up and connected to one end of the measuring platform to fix the fish body when the film unwinding component is pulled out.

[0014] Among them, the film unwinding assembly includes a fixed shell, which is fixedly connected to one side of the measuring platform. A unwinding roller is arranged in the middle of the fixed shell, and the film is rolled up on the unwinding roller. The center height of the unwinding roller is higher than the horizontal height of the measuring platform.

[0015] Wherein, a film outlet is arranged at the upper end of the fixed shell, and cutting blocks are arranged at both ends of the film outlet for cutting the film.

[0016] Wherein, a cantilever bracket is provided, the lower end of the cantilever bracket is detachably connected to the measuring platform, the front end of the cantilever bracket is located above the measuring platform, and the second shooting component is arranged at the front end of the cantilever bracket.

[0017] Wherein, the first shooting component is arranged at the lower end of the cantilever bracket and on the surface of the measuring platform.

[0018] Among them, a supporting foot is provided, and the weighing component is arranged in the supporting foot. There are four supporting feet, which are evenly arranged at the four corners of the measuring platform.

[0019] Compared with the prior art, the beneficial effects of the utility model are:

[0020] The fish body is placed on the measuring platform, the fish body is fixed horizontally by the fish body fixing component, the measuring platform is weighed by the weighing component to obtain the weight information of the fish body, and the fish body is imaged by the first shooting component arranged on the side and the second shooting component arranged on the top to obtain various fish body information, including fish length, body length, body height, head length, snout length, eye diameter, eye distance, caudal peduncle length, caudal peduncle height, dorsal fin height, pectoral fin length, pelvic fin length, anal fin length, caudal fin length, body weight, etc.; the fish body information is obtained by imaging, and there is no need for manual measurement, and the method is easy to use, fast in measuring speed, and high in accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0022] Figure 1 It is a schematic diagram of the overall structure of the utility model;

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

[0024] 1——measuring platform, 2——first shooting assembly, 3——second shooting assembly, 4——fixed film, 5——fixed shell, 6——unwinding roller, 7——film outlet, 8——cutting block, 9——cantilever bracket, 10——support foot. DETAILED DESCRIPTION

[0025] 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 of 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.

[0026] See also Figure 1-Figure 2 , the utility model provides a technical solution:

[0027] A semi-automatic measuring device for fish body characteristics,

[0028] It includes a measuring platform 1, which is provided with a flat surface for fixing the fish body.

[0029] A weighing assembly is arranged below the measuring platform 1 and is used for weight measurement;

[0030] A first shooting component 2 disposed on one side of the measuring platform 1 is used to capture an image of the fish body on the measuring platform 1 from the side;

[0031] A second shooting component 3 disposed above the measuring platform 1 is used to capture an image of the fish body on the measuring platform 1 from above;

[0032] The fish body fixing component is used to fix the fish body on the measuring platform 1, and utilizes the mechanical fixing structure to improve the simplicity and stability of operation and increase the credibility of the results.

[0033] The fish body is placed on the measuring platform 1, and the fish body is fixed horizontally by the fish body fixing component. The measuring platform 1 is weighed by the weighing component to obtain the weight information of the fish body. The fish body is imaged by the first shooting component 2 arranged on the side and the second shooting component 3 arranged on the top, so that various fish body information can be obtained, including fish length, body length, body height, head length, snout length, eye diameter, eye distance, caudal peduncle length, caudal peduncle height, dorsal fin height, pectoral fin length, pelvic fin length, anal fin length, caudal fin length, body weight, etc. The fish body information is obtained by imaging, and there is no need for manual measurement. The method is easy to use, has a fast measuring speed, and is highly accurate.

[0034] The fish body fixing component includes a fixing film 4 and a film unwinding component. The fixing film 4 is rolled up in the film unwinding component and connected to one end of the measuring platform 1 to fix the fish body when pulled out. The size of the reserved fixing film 4 is sufficient to fix most of the farmed fish, so that the device can adapt to fish bodies of different sizes.

[0035] The film unwinding assembly includes a fixed shell 5, which is fixedly connected to one side of the measuring platform 1. An unwinding roller 6 is provided in the middle of the fixed shell 5, and the film is rolled up on the unwinding roller 6. The center height of the unwinding roller 6 is higher than the horizontal height of the measuring platform 1, and a certain height difference is reserved for easy pulling out. While the fish body is fixed and measured by the film, the damage to the fish body is reduced, thereby increasing its survival rate.

[0036] The upper end of the fixed housing 5 is provided with a film outlet 7, and both ends of the film outlet 7 are provided with cutting blocks 8 for cutting the film.

[0037] When in use, the fish is laid flat on the measuring platform 1, and the fixing film 4 is pulled out and connected to one end of the measuring platform 1 to fix the fish body. After the measurement is completed, the film is cut by the cutting block 8 to cancel the fixation of the fish body, and the fish body can be quickly sent back to the breeding box to complete the entire measurement process.

[0038] Among them, a cantilever bracket 9 is provided, the lower end of the cantilever bracket 9 is detachably connected to the measuring platform 1, the front end of the cantilever bracket 9 is located above the measuring platform 1, and the second shooting component 3 is arranged at the front end of the cantilever bracket 9. The cantilever bracket 9 is designed to be detachably connected, so the position can be adjusted or the internal shooting component can be replaced as needed, which is suitable for more fish body measurement situations.

[0039] Among them, the first shooting component 2 is arranged at the lower end of the cantilever bracket 9 and on the surface of the measuring platform 1. The first shooting component 2 and the second shooting component 3 are both controlled by the cantilever bracket 9, which can perfectly fix the camera position and do not need to adjust the parameter model of the fish body measurement depth camera multiple times.

[0040] Among them, a support leg 10 is provided, and the weighing component is arranged in the support leg 10. There are four support legs 10, which are evenly arranged at the four corners of the measuring platform 1. The weighing component is combined with the support leg 10, and the weight of the fish body can be directly and accurately measured while the fish body is fixed for measuring its properties, thereby simplifying the structure and improving efficiency.

[0041] The above description is only a preferred embodiment of the present invention and is not intended to limit the protection scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A semi-automatic measuring device for fish body characteristics, characterized in that: It includes a measuring platform, provided with a flat surface for fixing the fish body, A weighing assembly is arranged below the measuring platform and is used for weight measurement; A first shooting component disposed on one side of the measuring platform is used to capture an image of the fish body on the measuring platform from the side; A second shooting component is arranged above the measuring platform to take an image of the fish body on the measuring platform from above; The fish body fixing component is used to fix the fish body on the measuring platform.

2. A semi-automatic measuring device for fish body characteristics according to claim 1, characterized in that: The fish body fixing component comprises a fixing film and a film unwinding component. The fixing film is rolled up in the film unwinding component and is connected to one end of the measuring platform to fix the fish body when pulled out.

3. A semi-automatic measuring device for fish body characteristics according to claim 2, characterized in that: The film unwinding assembly includes a fixed shell, which is fixedly connected to one side of the measuring platform. An unwinding roller is provided in the middle of the fixed shell, and the film is rolled up on the unwinding roller. The center height of the unwinding roller is higher than the horizontal height of the measuring platform.

4. The semi-automatic measuring device for fish body characteristics according to claim 3, characterized in that: The upper end of the fixed shell is provided with a film outlet, and cutting blocks are provided at both ends of the film outlet for cutting the film.

5. The semi-automatic measuring device for fish body characteristics according to claim 1, characterized in that: A cantilever bracket is provided, the lower end of the cantilever bracket is detachably connected to the measuring platform, the front end of the cantilever bracket is located above the measuring platform, and the second shooting component is arranged at the front end of the cantilever bracket.

6. A semi-automatic measuring device for fish body characteristics according to claim 5, characterized in that: The first shooting component is arranged at the lower end of the cantilever bracket and on the surface of the measuring platform.

7. The semi-automatic measuring device for fish body characteristics according to claim 1, characterized in that: A supporting foot is provided, and the weighing assembly is arranged in the supporting foot. There are four supporting feet, which are evenly arranged at the four corners of the measuring platform.

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