CN209605869U - A kind of fish body morphological data measuring device - Google Patents

Abstract

The utility model discloses a fish body morphological data measuring device, which comprises a measuring plate component, an image acquisition component, a vernier caliper component and a weighing component; the utility model has an ingenious structure, a reasonable design, easy assembly and Portable and easy to operate, only 1 to 2 people can complete the measurement work. The measurement time for a single fish is 5 to 10 seconds, with little damage to the fish body, and can quickly measure a large number of samples in a short time, including body thickness. Appearance morphological parameters and body mass indicators. Photos can be used to repeatedly check the results and compare the properties.

Description

A device for measuring fish body morphology data

technical field

The utility model belongs to the technical field of biomorphological data measurement, in particular to a fish body morphological data measuring device.

Background technique

In ichthyological research, the appearance and morphological parameters of fish are mainly full length, body length, body height, body thickness, head length, head height, eye diameter, snout length, head length behind the eyes, tail peduncle length, tail peduncle height, Fish eye pupil diameter, etc. These biological morphological indicators are necessary basic data for ichthyological research, and ichthyological research often requires a large number of field investigations, so it is necessary to carry out measurements of these biologically measurable traits of fish A professional measurement tool for metrics.

Most of the existing measuring tools can measure the full length, body length, etc., but due to the limitations of the measuring tool structure, it is impossible to quickly and accurately obtain the body thickness, full length, body length, body height, head, etc. of fish. Length, head height, eye diameter, snout length, head length behind the eyes, tail peduncle length, tail peduncle height, fish eye pupil diameter and other biological morphological parameters, especially the data that are difficult to accurately measure body thickness. Moreover, the fish need to be anesthetized before the measurement to avoid strong stress response of the fish. This method of measurement is cumbersome, time-consuming and labor-intensive, and there are large human errors. Some fish will stop eating or even die after measurement, which has an irreversible impact on the growth and survival of fish.

Utility model content

The purpose of this utility model is to provide a simple structure, easy to disassemble, easy to carry, easy to check the results, not only can take a complete, stable and consistent image of the fish body shape, but also can combine computer vision and image processing technology to realize large batches A fish body morphological data measuring device that can quickly and accurately measure fish body morphological characteristics and other characteristics.

In order to achieve the above object, the technical solution of the present invention is to provide a fish body morphology data measuring device, including a measuring board assembly, an image acquisition assembly, a vernier caliper assembly and a weighing assembly; Vertical and marked measuring rulers are arranged on the horizontal and radial directions of the board; the image acquisition assembly is arranged on the top of the measurement board, and the image acquisition assembly includes an adjustable folding support frame, and the lower end of the adjustment folding support frame and the measurement board connected, the upper end is connected with the image acquisition device through the chuck, and the image acquisition device is connected with the computer; the vernier caliper assembly is arranged on the side end of the measurement board and is slidably connected with the measurement board, and the vernier caliper assembly includes an electronic digital display vernier caliper and a laser pointer; The weighing component is arranged under the measuring board.

Further, the measuring board is provided with a baffle perpendicular to the measuring board along the outer side of the measuring ruler, and the adjustable folding support frame is connected to the baffle.

Further, the lower end of the adjustable folding support frame is connected to the baffle through a detachable fixing clip, and a knob is arranged on the detachable fixing clip.

Further, the adjustable folding support frame includes several sections of arm frames, and a rotary adjustment member is arranged between the arm frames, and the height and angle of the folding support frame are adjusted in an adjustable manner.

Further, the laser pointer is arranged on the electronic digital display vernier caliper, and the electronic digital display vernier caliper is slidingly connected with the linear guide rail on the measuring board through the slider.

Further, the measuring ruler is arranged on the upper edge of the measuring board.

Further, a digital display screen is set on the electronic digital display vernier caliper.

Further, the electronic digital display vernier caliper is provided with a fixing clip for fixing the laser pointer, and the beam of the laser pointer and the vernier are kept at a fixed level.

Further, the weighing component is an electronic scale capable of placing a measuring board.

The fish body morphology data measuring device of the utility model has the following beneficial effects:

1. The fish body morphology data measuring device of the utility model obtains the body width and weight of the fish through the combination of the electronic digital display vernier caliper and the laser pointer and the electronic scale respectively, and records the reading of the electronic digital display vernier caliper to be the body thickness of the fish to be measured , Recording the reading of the electronic scale is the weight of the fish to be measured, which improves the practicality and ease of operation.

2. The fish body morphology data measuring device of the utility model includes an image acquisition device which can be connected with a computer, analyze and process the captured stable and accurate fish body picture information in real time and in batches, and obtain batches of fish body morphology in real time. Characteristic parameters can greatly save measurement time. By collecting pictures, you can check the results repeatedly and compare the characteristics of different fish, such as stripes and body color.

3. The fish body morphology data measuring device of the utility model is equipped with baffles of a certain height on both sides of the measuring board, which can effectively prevent the fish body from slipping and reduce the damage rate of the fish body; at the same time, it can display the red light laser pointer. The emitted light point, when judging whether there is light point, the vernier caliper reading can measure the body thickness of the fish to be tested. In addition, the measuring plate can be improved into a measuring plate, and the survival time and measuring time of the fish to be measured can be prolonged by injecting an appropriate amount of water.

4. The adjustable folding support frame in the fish body morphology data measuring device of the utility model can be assembled and disassembled by setting fixing clips and knobs, which is more portable and improves the practicability.

5. The boom in the fish morphology data measuring device of the utility model can be flexibly adjusted, so as to realize the flexible adjustment of the horizontal position and the shooting height, which is not only easy to operate, but also ensures the stability and accuracy of the shooting results of the fish body to be tested.

6. The fish body morphology data measuring device of the utility model is ingenious in structure, reasonable in design, easy to assemble, easy to carry, and easy to operate. Only 1 to 2 people are needed to complete the measurement work, and the measurement time for a single fish is 5 to 10 minutes. Seconds, less damage to the fish body, can quickly measure a large number of samples in a short time, including appearance morphological parameters including body thickness and body weight indicators. Photos can be used to repeatedly check the results and compare the properties.

7. The utility model is suitable for a wide range of environmental conditions. It is not only suitable for laboratories and farms, but also suitable for measurements in the field or even on ships and fishing rafts at sea. It is suitable for scientific research and commercial purposes such as fish breeding and commercial fish testing.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the utility model fish body morphology data measuring device;

Fig. 2 is the side view of the utility model fish body morphology data measuring device;

Fig. 3 is the front view of the utility model fish body morphology data measuring device;

Fig. 4 is the top view of the utility model fish body morphology data measuring device;

In the figure: 1. Measuring board; 2. Measuring ruler; 3. Fixing clip; 4. Knob; 5. Adjusting the folding support frame; Display vernier caliper; 10. Laser pointer; 11. Slider; 12. Linear guide rail; 13. Electronic scale.

Detailed ways

In order to describe in detail the technical content and structural features of the fish body morphology data measuring device of the present utility model, the following will be further described in conjunction with the embodiments and accompanying drawings.

As shown in Figures 1, 2, 3 and 4, the fish body morphology data measuring device of the present invention includes a measuring board assembly, an image acquisition assembly, a vernier caliper assembly and a weighing assembly. The measuring board assembly includes a measuring board 1 or a measuring disc and a measuring ruler 2 (the measuring ruler marked with a scale is located in the transverse and radial directions of the measuring board and is vertical), and the image acquisition assembly includes a fixing clip 3, a knob 4, an adjustment folding A support frame 5, a rotating adjustment member 6, a chuck 7, and an image acquisition device 8. The vernier caliper assembly includes an electronic digital display vernier caliper 9 , a laser pointer 10 , a slider 11 , and a linear guide rail 12 . The weighing assembly is an electronic scale 13.

The measuring board 1 is without a cover and a solid wood rectangular baffle with a slightly higher height is set on both sides, which is used to place the fish body to be measured; the measuring board 1 can be refitted into a measuring plate according to the actual situation to inject water, which can prolong the measurement of the fish to be measured time and survival time. During use, the measuring board 1 is horizontally placed on an electronic scale or the ground, a cabin or a fishing raft; the measuring board 1 is provided with two rulers 2 placed vertically and close to one corner of the measuring board as a reference ratio; in order to facilitate the later analysis and processing, the The background color of the measuring board mentioned above is a solid color background.

The image acquisition assembly is arranged on the top of the measuring board 1, and the adjustment folding support frame 5 includes several sections of booms, and a rotating adjustment part 6 is arranged between the booms and the booms, and the height and angle of the adjustment folding support frame are adjustable; The lower end of the folding support frame 5 is connected with the baffle plate through the detachable fixing clip 3, the knob 4 is set on the detachable fixing clip, the upper end is connected with the image acquisition device 8 (photographing device) through the collet 7, and the image acquisition device is connected with the computer. It is used to collect the image information of the fish body to be tested. The height and direction of the jib can be adjusted by rotating the adjusting part 6, thereby adjusting the position of the image acquisition device 8, which can include the measuring ruler 2 and the fish to be measured. During the measurement process, the relative position and parameters of the image acquisition device 8 and the measuring board 1 and measuring ruler 2 have not changed, ensuring that the proportions of each sampled photo are highly consistent, and there is no need to recalculate each picture.

The image collection device 8 is connected with the computer, and the collected pictures can be stored in the computer, and the image information can be analyzed by the image analysis software to obtain consistent and stable information as the fish body parameter result data of the later stage; in the computer, the collected pictures can be Extract the image size of a section of the scale from the measuring ruler, and the ratio of the reading of this section of the scale to the image size is the magnification factor of the picture.

The vernier caliper is an electronic digital display vernier caliper 9, and a laser pointer 10 is fixed at the vernier. The length of the vernier can be extended through the laser, and the body thickness of the fish can be obtained according to the non-critical point of the light spot on the baffle, and the reading can be read directly through the display screen .

The electronic digital display vernier caliper 9 is fixed on the slide block 11 to realize horizontal movement. According to the vertical sliding of the vernier caliper itself, the body width can be measured at different points, and it can adapt to fish with different body widths and body thicknesses. When measuring, you only need to move the vernier caliper without adjusting the position of the fish body, which can reduce the movement stress damage to the fish body.

Electronic scale 13 is an electronic digital display electronic scale, which has a zero return key, which can directly and quickly read the fish body weight.

The use process of the fish body morphology data measuring device of the present utility model is as follows:

Step 1: Place the electronic scale 13 on a horizontal and stable platform, and place the measuring board 1 with the measuring ruler 2 fixed on the electronic scale 13;

Step 2: Connect the measuring board 1 to the adjustable folding support frame 5 through the fixing clip 3 and the knob 4, and the clamp 7 at the end of the boom clamps the image acquisition device 8;

Step 3: Set the height and horizontal position of the image acquisition camera by adjusting the rotating adjustment member 6 of the folding support frame 5;

Step 4: Fix the laser pointer 10 on the electronic display vernier caliper 9 at the vernier, and measure the fish body. According to whether there is a critical point on the baffle, it is the maximum thickness value of the fish body, and record the electronic display reading of the vernier caliper. The fish body thickness can be obtained.

Step 5: Place the fish body flat on the measurement board 1, and the image acquisition camera performs consistent and stable acquisition on it. After acquisition, the image analysis software analyzes the image information to obtain consistent and stable fish body parameter data. The main parameters of the fish body The characteristic parameters include: fish body thickness, total length, body length, body height, head length, head height, eye diameter, snout length, head length behind the eyes, tail peduncle length, tail peduncle height, fish eye pupil diameter, etc.

Step 6: Record the weight of the fish to be measured through the weighing result of the electronic display reading of the electronic scale 13, and return to zero after each weighing.

The above disclosures are only preferred embodiments of the present utility model, and of course the scope of rights of the present utility model cannot be limited by this, so equivalent changes made according to the claims of the present utility model still belong to the scope covered by the present utility model .

Claims (9)

1. A fish body morphological data measuring device, characterized in that: comprise a measuring plate assembly, an image acquisition assembly, a vernier caliper assembly and a weighing assembly; the measuring plate assembly comprises a measuring plate, on the lateral and radial directions of the measuring plate A measuring ruler that is vertical and marked with a scale is set; the image acquisition component is arranged on the top of the measurement board, the image acquisition component includes an adjustable folding support frame, the lower end of the adjustable folding support frame is connected with the measurement board, and the upper end is connected to the image through a chuck. The acquisition equipment is connected, and the image acquisition equipment is connected with the computer; the vernier caliper assembly is arranged on the side end of the measurement board and is slidingly connected with the measurement board, and the vernier caliper assembly includes an electronic digital display vernier caliper and a laser pointer; the weighing assembly is arranged on the side of the measurement board below. 2. The device for measuring fish body morphology data according to claim 1, characterized in that: the measuring board is provided with a baffle perpendicular to the measuring board along the outer side of the measuring ruler, and the adjustable folding support frame is connected to the baffle. 3. The fish body morphology data measuring device according to claim 2, characterized in that: the lower end of the adjustable folding support frame is connected to the baffle through a detachable fixing clip, and a knob is arranged on the detachable fixing clip. 4. The fish body morphological data measuring device according to claim 1, characterized in that: the adjustable folding support frame includes several sections of arm frames, and a rotating adjustment part is arranged between the arm frames and the arm frames to adjust the folding support frame. Height and angle are adjustable. 5. The fish body morphological data measuring device according to claim 1, wherein the laser pointer is arranged on an electronic digital display vernier caliper, and the electronic digital display vernier caliper is slidably connected to the linear guide rail on the measurement board through a slider. 6. The fish body morphological data measuring device according to claim 1, characterized in that: the measuring ruler is arranged on the upper edge of the measuring board. 7. The fish body morphological data measuring device according to claim 1, characterized in that: a digital display screen is set on the electronic digital display vernier caliper. 8. The fish body morphological data measuring device according to claim 1, characterized in that: the electronic digital display vernier caliper is provided with a fixing clip for fixing the laser pointer, and the beam of the laser pointer and the vernier are kept at a fixed level. 9. The fish body morphological data measuring device according to claim 1, characterized in that: the weighing component is an electronic scale capable of placing a measuring board.