Cow body ruler measuring rod based on laser ranging

Abstract

The utility model provides a cattle body ruler measuring rod based on laser ranging, which comprises a measuring rod, a clamping rod, a laser emitter, a camera and a slide rail, the measuring rod is a telescopic measuring rod with scales, the laser emitter is mounted at the top of the measuring rod through a laser frame, the laser emitting direction of the laser emitter is vertically downward, and the laser emitting direction of the laser emitter is vertical downward. Two clamping rods are hinged to the measuring rod, sliding rails are arranged on the clamping rods, sliding blocks are arranged on the sliding rails, and the camera is arranged at the top of the measuring rod. The measuring rod comprises an outer sleeve rod and an embedded sliding rod, the embedded sliding rod is arranged in the outer sleeve rod in a sliding mode, and the top of the embedded sliding rod and the top of the outer sleeve rod are hinged to clamping rods. The device is scientific and reasonable in structural design, simple to operate and accurate in measurement, and can be popularized and used.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of auxiliary tools for livestock breeding, breeding livestock and poultry performance determination, specifically to a kind of cow body size measuring rod based on laser ranging. BACKGROUND

[0002] In beef cattle dairy industry, the body size data of cow are very key determination indexes for evaluating the genetic quality and breeding performance of breeding cow.For general dairy cattle beef cattle breeding, body size data can most directly reflect the growth and development and health condition of cow, and is the index that breeding personnel care most.The body size of cow refers to the measurement size of each part of cow body, mainly including body height (withergallium height), cross section height, body oblique length and chest width.Accurate measurement and analysis of cow body size data can help breeder to formulate scientific feeding management scheme, help breeder to carry out performance evaluation, selection and determination of breeding cow more scientifically, which will have important influence on breeding benefit, breeding effect and value of breeding stock.

[0003] At present, most of the cattle farms still use traditional manual measurement method, and the tools used are mainly primitive tools such as tape measure and measuring rod.At least 3 people are needed for manual measurement, 2 people for measurement and 1 person for recording.Not only time-consuming and laborious, but also high in labor cost, and easy to be affected by human factors, resulting in large data error.A small number of cattle farms also use image analysis technology, which has a certain degree of automation, but is limited by environmental light, background complexity, angle and cow standing posture and other factors as well as data analysis simulation accuracy, so that the accuracy and stability of measurement result cannot be guaranteed.In view of the limitations of existing method, a more efficient, accurate and convenient cow body size measuring device is needed. UTILITY MODEL CONTENT

[0004] The utility model provides a kind of cow body size measuring rod based on laser ranging to solve the technical problems described above, which is scientific and reasonable in structure design, easy to operate, accurate in measurement and can be widely used.

[0005] To solve the above technical problems, the utility model adopts the technical scheme of a kind of cow body size measuring rod based on laser ranging, characterized by comprising measuring rod, clamping rod, laser emitter, camera and slide rail, the measuring rod is telescopic scale measuring rod, the top of the measuring rod is installed laser emitter by laser frame, the laser emission direction of the laser emitter is vertically downward, two clamping rods are hingedly arranged on the measuring rod, the clamping rod is provided with slide rail, the slide rail is provided with sliding block, and the camera is arranged on the top of the measuring rod.

[0006] Preferably, the measuring rod comprises a sleeve rod and an embedded slide rod, the embedded slide rod is slidingly arranged in the sleeve rod, and the top of the embedded slide rod and the top of the sleeve rod are hingedly connected with the clamping rod.

[0007] Preferably, the camera is installed on the top of the embedded slide rod through a camera mounting frame, a control box is arranged on the measuring rod, a processor is arranged in the control box, the processor is connected with the camera and the laser emitter, and the processor is also connected with a handheld terminal.

[0008] Preferably, the sliding block is slidably installed on the slide rail through a sliding block frame.

[0009] Compared with the prior art, the utility model has the following advantages:

[0010] 1. The utility model has scientific and reasonable structure, simple operation, accurate measurement, high measurement efficiency, and can be popularized and used.

[0011] 2. The device can greatly improve the measurement efficiency, reduce the measurement time, and is suitable for the demand of large-scale cattle farm. Since the human error is reduced, the measurement result is more accurate and reliable. In addition, the laser ranging technology is not affected by the environmental light, and can maintain high measurement accuracy in various complex environments.

[0012] The utility model will be further described in detail in combination with the drawings and examples. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the front view structural schematic diagram of the utility model.

[0014] Figure 2 It is the three-dimensional structure schematic diagram of the utility model.

[0015] Mark explanation:

[0016] 1 - measuring rod, 2 - clamping rod, 3 - laser emitter,

[0017] 4 - camera, 5 - slide rail, 6 - sliding block,

[0018] 1-1 - sleeve rod, 1-2 - embedded slide rod. DETAILED DESCRIPTION

[0019] As shown in Figure 1 and Figure 2 The utility model includes measuring rod 1, clamping rod 2, laser emitter 3, camera 4 and slide rail 5, the measuring rod 1 is telescopic type scale measuring rod, the top of the measuring rod 1 is installed laser emitter 3 through laser frame, the laser emission direction of the laser emitter 3 is vertically downward, two clamping rods 2 are hingedly arranged on the measuring rod 1, the slide rail 5 is arranged on the clamping rod 2, the sliding block 6 is arranged on the slide rail 5, and the camera 4 is arranged on the top of the measuring rod 1.

[0020] In this embodiment, the measuring rod 1 comprises a sleeve rod 1-1 and an embedded sliding rod 1-2, the embedded sliding rod 1-2 is slidingly arranged in the sleeve rod 1-1, and the top of the embedded sliding rod 1-2 and the top of the sleeve rod 1-1 are both hingedly connected to the clamping rod 2.

[0021] In this embodiment, the camera 4 is installed on the top of the embedded sliding rod 1-2 through a camera mounting rack, a control box is arranged on the measuring rod 1, a processor is arranged in the control box, the processor is connected with the camera 4 and the laser emitter 3, the processor is also connected with a handheld terminal through wifi, a display screen for displaying distance data measured by the laser emitter 3 is arranged on the handheld terminal, and "shooting", "starting" and "confirming" control buttons for controlling the camera 4 and the laser emitter 3 are arranged on the handheld terminal.

[0022] In this embodiment, the sliding block 6 is slidingly installed on the sliding rail 5 through a sliding block rack.

[0023] In this embodiment, the camera 4 adopts an Arducam IMX219 camera, the camera is equipped with an 8 million pixel sensor and supports a resolution of up to 3280x2464. The processor adopts an NVIDIA Jetson Xavier NX. The processor is YOLOv8 for identifying ear tags of cattle, so as to ensure accurate identification and positioning of ear tags in a complex background.

[0024] In this embodiment, the sliding block rack is driven to move on the sliding rail 5 by a motor, and the motor is connected with the processor through a motor controller. The processor is wirelessly connected with a handheld terminal, and buttons for controlling the rotating mode and speed of the motor are arranged on the handheld terminal, so as to electrically control the relative position of the sliding block 6 on the sliding rail 5.

[0025] The use steps of the utility model are as follows:

[0026] S1, concentrate the cattle group before measurement: the measurement time is not limited, and it can be measured in or out of the shed. Generally, the time when the cattle group is concentrated and relatively quiet is selected, such as when the cattle group is fed, or the cattle group is made to enter the cattle chasing passage outside the shed one by one.

[0027] S2, staff preparation: 2 staff members are needed to cooperate each time. One person operates the measuring rod, and the other person operates the handheld terminal.

[0028] S3, determine the measured traits and order: the default measurement order of the equipment is body height, cross section height, body slant length and chest width. Different fields can select the measured traits and order according to their own needs on the handheld terminal. After modification, the measured data will be recorded in sequence according to the modified setting results each time. The operator should also measure according to the set order.

[0029] S4, the camera 4 aligns the cow head and ear tag to take a picture, the handheld terminal clicks "take a picture", the recognized ear tag number is displayed correctly, then the whole picture of the cow is taken (uniformly as the left side of the cow), the picture is uploaded, and the corresponding table is generated. After that, the data record table of one cow can be generated, and the specific measurement traits are recorded. At the same time, the image is automatically saved as a jpg format, and the recognized ear tag number is used as the file name.

[0030] Specifically, the measurement method of body height and cross height is as follows:

[0031] S1, stretch the measuring rod 1, pull out the clamping rod 2 of the embedded slide rod 1-2, so that the clamping rod 2 of the embedded slide rod 1-2 is erected at the part to be collected.

[0032] S2, press the start button on the handheld terminal, and the slider 6 slides to the bottom of the outer sleeve rod 1. The laser emitter 3 emits a ranging laser.

[0033] S3, the handheld terminal displays the measured data type (for example: body height 156 cm), and the confirmation button is pressed to automatically fill in the corresponding traits of the generated data record table.

[0034] S4, press the confirmation button to indicate that the measurement of the trait is completed. If the measurer thinks that the displayed result is incorrect or the measurement position operation is incorrect, do not press the confirmation button, but press the start button again until it is correct, then press the confirmation button to end the measurement of the trait.

[0035] The measurement method of body length, chest width is as follows:

[0036] S1, stretch the measuring rod 1, pull out the two clamping rods 2, so that the two clamping rods 2 are erected at the part to be measured.

[0037] S2, press the start button on the handheld terminal, and the slider 6 moves to the top of the outer sleeve rod 1, and the laser emitter 3 emits a ranging laser.

[0038] S3, the handheld terminal displays the measured data type (for example: body length 176 cm), and the confirmation button is pressed to automatically fill in the corresponding traits of the generated data record table.

[0039] S4, press the confirmation button to indicate that the measurement of the trait is completed. If the measurer thinks that the displayed result is incorrect or the measurement position operation is incorrect, do not press the confirmation button, but press the start button again until it is correct, then press the confirmation button to end the measurement of the trait.

[0040] The above is only the preferred embodiment of the present application, and does not limit the present application. Any simple modification, change and equivalent change of the above embodiment according to the technical essence of the present application still belong to the protection scope of the technical scheme of the present application.

Claims

1. A laser distance measuring based body measurement rod for cattle, characterized in that, Including measuring rod (1), clamping rod (2), laser emitter (3), camera (4) and slide rail (5), the measuring rod (1) is telescopic scale measuring rod, the top of the measuring rod (1) is installed laser emitter (3) through laser frame, the laser emission direction of the laser emitter (3) is vertically downward, two clamping rods (2) are hingedly arranged on the measuring rod (1), the slide rail (5) is arranged on the clamping rod (2), the slide block (6) is arranged on the slide rail (5), the camera (4) is arranged on the top of the measuring rod (1).

2. The laser ranging based body measurement rod for cattle according to claim 1, wherein, The measuring rod (1) comprises a sleeve rod (1-1) and an embedded slide rod (1-2), the embedded slide rod (1-2) is slidably arranged in the sleeve rod (1-1), and the top of the embedded slide rod (1-2) and the top of the sleeve rod (1-1) are hingedly connected with the clamping rod (2).

3. The laser ranging based body measurement rod for cattle according to claim 2, wherein, The camera (4) is installed on the top of the embedded slide rod (1-2) through a camera mounting frame, a control box is arranged on the measuring rod (1), a processor is arranged in the control box, the processor is connected with the camera (4) and the laser emitter (3), and the processor is also connected with a handheld terminal, and a display screen for displaying distance data measured by the laser emitter (3) is arranged on the handheld terminal.

4. The laser ranging based body measurement rod for cattle according to claim 2, wherein, The slide block (6) is slidably installed on the slide rail (5) through a slide block mounting frame.

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