Sample weighing method for inspection and detection

Abstract

The invention provides a sample weighing method for inspection and detection, and relates to the technical field of sample weighing. A sample weighing method for inspection and detection comprises the following steps: identifying a two-dimensional code of a sample and transmitting the two-dimensional code to a control terminal to obtain item data needing to be detected; information, needing to be detected, of a sample is sprayed to carriers such as a centrifugal tube, a colorimetric tube and a triangular flask through code spraying equipment, meanwhile, a sampling barrel extends into the detected sample, the detected sample is homogenized through a homogenizing blade arranged in sample weighing equipment, and the density of the sample is measured; feeding the homogenized sample into a centrifugal tube from the sampling barrel; the centrifugal tubes are conveyed to the corresponding temporary storage areas through the conveying belt, and meanwhile detected information is synchronized to the control terminal and stored. With the adoption of the device, the weighing of the sample and the recording of related information can be automatically carried out, so that the efficiency is improved, and the accuracy and the high efficiency of the sampled sample are ensured.

Description

Technical Field

[0001] The invention relates to the technical field of sample weighing, and in particular to a sample weighing method for inspection and testing. Background Art

[0002] Sample weighing is usually referred to as weighing, which is a very important step in inspection and testing. The so-called weighing refers to extracting a part of representative samples from the whole batch of inspected samples for analysis and testing. Weighing is the first key task of sample analysis. In the health supervision and management and scientific research work of food, medicine, environment and health products, in order to grasp the sanitary quality or find out the sanitary problems in the production and operation process, sampling inspection combined with sensory inspection must be carried out to make a comprehensive evaluation or find out the rules as the basis for guiding work. Samples are the basis for obtaining inspection data, and weighing is the key link in the analysis and testing process. If the weighing is unreasonable, useful data cannot be obtained, and it will also lead to wrong conclusions and cause losses to the work. The representativeness and uniformity of the sample safety test sampling, the number of samples should be able to meet the needs of the sample testing project. The existing sample weighing process is generally carried out manually, which requires a lot of manpower and is inefficient. Summary of the invention

[0003] The object of the present invention is to provide a sample weighing method for inspection and testing, which can automatically weigh samples and record relevant information, thereby improving efficiency and ensuring the accuracy and efficiency of the sample being sampled.

[0004] The technical solution adopted by the present invention is:

[0005] The present application provides a sample weighing method for testing and inspection, comprising:

[0006] Identify the QR code of the sample and transmit it to the control terminal to obtain the project data that needs to be tested;

[0007] The information of the sample to be tested is sprayed on the carriers such as centrifuge tubes, colorimetric tubes and triangular flasks through the inkjet device. At the same time, the sampling tube is inserted into the sample to be tested. The homogenizing blade built into the sample weighing device is used to homogenize the sample, and the sample density is measured and transmitted to the control terminal.

[0008] The homogenized sample is transferred from the sampling cylinder into a centrifuge tube;

[0009] The centrifuge tube is transported to the corresponding temporary storage area via a conveyor belt, and the detection information is synchronized to the control terminal and saved.

[0010] Furthermore, in some embodiments of the present invention, the sample weighing device includes a mounting cylinder, in which a drive motor and a sampling cylinder are disposed, the drive motor is electrically connected to a control terminal, and a drive shaft of the drive motor is provided with a homogenizing blade.

[0011] Furthermore, in some embodiments of the present invention, two electric push rods are provided on the inner wall of the top of the mounting cylinder, the electric push rods are electrically connected to the control terminal, the drive motor is provided at the telescopic end of one electric push rod, and the telescopic end of the other electric push rod is provided with a piston, and the piston is slidably arranged in the sampling cylinder.

[0012] Furthermore, in some embodiments of the present invention, a sealing sensor is provided on the inner wall of the sampling tube, and the sealing sensor is electrically connected to the control terminal.

[0013] Furthermore, in some embodiments of the present invention, an electronic scale is provided on the inner side wall of the bottom of the installation cylinder, the electronic scale is electrically connected to the control terminal, and the sampling cylinder is located on the top of the electronic scale.

[0014] Furthermore, in some embodiments of the present invention, a plurality of electric heating plates are provided on the inner wall of the mounting cylinder, and the electric heating plates are electrically connected to the control terminal.

[0015] Furthermore, in some embodiments of the present invention, a plurality of nozzles are provided on the inner wall of the installation cylinder, and the nozzles are electrically connected to the control terminal.

[0016] Compared with the prior art, the embodiments of the present invention have at least the following advantages or beneficial effects:

[0017] The present invention provides a sample weighing method for testing, comprising:

[0018] Identify the QR code of the sample and transmit it to the control terminal to obtain the project data that needs to be tested;

[0019] The information of the sample to be tested is sprayed on the carriers such as centrifuge tubes, colorimetric tubes and triangular flasks through the inkjet device. At the same time, the sampling tube is inserted into the sample to be tested. The homogenizing blade built into the sample weighing device is used to homogenize the sample, and the sample density is measured and transmitted to the control terminal.

[0020] The homogenized sample is transferred from the sampling cylinder into a centrifuge tube;

[0021] The centrifuge tube is transported to the corresponding temporary storage area through the conveyor belt, and the detected information is synchronized to the control terminal and saved. It can automatically weigh the sample and record the relevant information, thereby improving efficiency and ensuring the accuracy and efficiency of the sample being sampled. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the embodiments are briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without creative work.

[0023] Figure 1 A flowchart provided for an embodiment of the present invention;

[0024] Figure 2 A partial cross-sectional view of a sample weighing device provided in an embodiment of the present invention.

[0025] Icons: 1-installation cylinder; 2-drive motor; 3-sampling cylinder; 4-homogenizing blade; 5-electric push rod; 6-electronic scale; 7-electric heating plate; 8-nozzle; 9-piston. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0027] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention claimed for protection, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0028] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0029] In the description of the embodiments of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, or are the orientation or position relationship in which the product of the invention is usually placed when in use. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", etc., if used, are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0030] In addition, the use of terms such as "horizontal" and "vertical" does not mean that the components must be absolutely horizontal or vertical, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0031] In the description of the embodiments of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "setting" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0032] Example

[0033] Please refer to Figure 1-Figure 2 This embodiment provides a sample weighing method for inspection and detection, comprising:

[0034] Identify the QR code of the sample and transmit it to the control terminal to obtain the project data that needs to be tested. The control terminal of this embodiment can be a computer;

[0035] The information of the sample to be tested is sprayed on a carrier such as a centrifuge tube, a colorimetric tube, and a conical flask through a coding device, and at the same time, the sampling tube 3 is inserted into the sample to be tested, and the test sample is homogenized by the built-in homogenizing blade of the sample weighing device, and the sample density is measured and transmitted to the control terminal;

[0036] The homogenized sample is sent from the sampling tube 3 into the centrifuge tube;

[0037] The centrifuge tube is transported to the corresponding temporary storage area via a conveyor belt, and the detection information is synchronized to the control terminal and saved.

[0038] The sample weighing device comprises a mounting cylinder 1, in which a driving motor 2 and a sampling cylinder 3 are arranged, the driving motor 2 is electrically connected to a control terminal, and a transmission shaft of the driving motor 2 is provided with a homogenizing blade 4. Two electric push rods 5 are arranged on the inner side wall at the top of the mounting cylinder 1, the electric push rods 5 are electrically connected to the control terminal, the driving motor 2 is arranged at the telescopic end of one electric push rod 5, and a piston 9 is arranged at the telescopic end of the other electric push rod 5, and the piston 9 is slidably arranged in the sampling cylinder 3.

[0039] The present invention sets a driving motor 2 and an electric push rod 5. When the sample needs to be homogenized, after the sample is prepared, it is placed in a fixed container and placed under the homogenizing blade 4. Then the corresponding electric push rod 5 is started. The electric push rod 5 extends and drives the driving motor 2 and the homogenizing blade 4 to move downward together until the homogenizing blade 4 is embedded in the sample in the container, and then the electric push rod 5 is stopped. The driving motor 2 is started, and the driving motor 2 drives the homogenizing blade 4 to rotate to homogenize the sample. The operation is convenient and the automated processing is convenient. After the homogenization is completed, the driving motor 2 is stopped, and the electric push rod 5 is started. The electric push rod 5 is shortened and drives the homogenizing blade 4 upward to move and reset.

[0040] like Figure 1-Figure 2 As shown, in some embodiments of the present invention, a sealing sensor is provided on the inner wall of the sampling tube 3, and the sealing sensor is electrically connected to the control terminal. An electronic scale 6 is provided on the inner wall of the bottom of the installation cylinder 1, and the electronic scale 6 is electrically connected to the control terminal, and the sampling tube 3 is located on the top of the electronic scale 6.

[0041] The present invention is provided with a sealed sensor and an electronic scale 6, and the density information of the homogenized sample in the sampling tube 3 can be collected by the sealed sensor and transmitted to the computer, and the weight information of the homogenized sample in the sampling tube 3 can be collected by the electronic scale 6 and transmitted to the computer, so that the mass, volume and density information of the sample can be accurately weighed, which is convenient for automated detection (accurately obtain the volume of the sample through the known density and mass, through v=m / ρ). After measuring the density, the volume is determined by the relationship between mass and density; and then the sample is taken into a carrier such as a centrifuge tube, a colorimetric tube and a conical flask.

[0042] like Figure 1-Figure 2 As shown, in some embodiments of the present invention, a plurality of electric heating plates 7 are provided on the inner wall of the mounting cylinder 1, and the electric heating plates 7 are electrically connected to the control terminal. A plurality of nozzles 8 are provided on the inner wall of the mounting cylinder 1, and the nozzles 8 are electrically connected to the control terminal. The present invention provides an electric heating plate 7 and a nozzle 8, and the nozzle 8 can be connected to a water pump and an air pump. After the sample is weighed, water and gas can be sprayed through the nozzle 8 to clean the homogenizing blade 4, the sampling tube and other structures in the mounting cylinder 1. After cleaning, the electric heating plate 7 can be used to dry the sample, so as to facilitate the next sample weighing operation.

[0043] In this way, the inspection and testing sample weighing method provided in this application can automatically weigh the test samples, record data and classify the samples, improve the efficiency of sample weighing, shorten the inspection and testing cycle, reduce costs and reduce labor intensity, thereby improving efficiency and ensuring the accuracy and efficiency of the sampled samples, making the inspection and testing industry take a step further towards artificial intelligence.

[0044] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. It is obvious to those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or basic features of the present application.

[0045] Therefore, no matter from which point of view, the embodiments should be regarded as illustrative and non-restrictive, and the scope of the present application is limited by the appended claims rather than the above description, and it is intended that all changes that fall within the meaning and scope of the equivalent elements of the claims are included in the present application. Any figure mark in the claims should not be regarded as limiting the claims involved. For those skilled in the art, the present invention can have various changes and variations. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A sample weighing method for inspection and detection, characterized in that: include Identify the QR code of the sample and transmit it to the control terminal to obtain the project data that needs to be tested; The information of the sample to be tested is sprayed on the carriers such as centrifuge tubes, colorimetric tubes and triangular flasks through the inkjet device. At the same time, the sampling tube is inserted into the sample to be tested. The homogenizing blade built into the sample weighing device is used to homogenize the sample, and the sample density is measured and transmitted to the control terminal. The homogenized sample is transferred from the sampling cylinder into a centrifuge tube; The centrifuge tube is transported to the corresponding temporary storage area via a conveyor belt, and the detection information is synchronized to the control terminal and saved.

2. A sample weighing method for inspection and detection according to claim 1, characterized in that: The sample weighing device comprises a mounting cylinder, in which a driving motor and a sampling cylinder are arranged, the driving motor is electrically connected to the control terminal, and a homogenizing blade is arranged on the transmission shaft of the driving motor.

3. A sample weighing method for inspection and detection according to claim 2, characterized in that: Two electric push rods are provided on the inner side wall at the top of the mounting cylinder, and the electric push rods are electrically connected to the control terminal. The drive motor is provided at the telescopic end of one of the electric push rods, and a piston is provided at the telescopic end of the other electric push rod, and the piston is slidably provided in the sampling cylinder.

4. A sample weighing method for inspection and detection according to claim 2, characterized in that: A sealing sensor is provided on the inner side wall of the sampling tube, and the sealing sensor is electrically connected to the control terminal.

5. A sample weighing method for inspection and detection according to claim 2, characterized in that: An electronic scale is provided on the inner side wall of the bottom of the installation cylinder. The electronic scale is electrically connected to the control terminal. The sampling cylinder is located on the top of the electronic scale.

6. A sample weighing method for inspection and detection according to claim 2, characterized in that: The inner wall of the installation cylinder is provided with a plurality of electric heating plates, and the electric heating plates are electrically connected to the control terminal.

7. A sample weighing method for inspection and detection according to claim 2, characterized in that: The inner wall of the installation cylinder is provided with a plurality of nozzles, and the nozzles are electrically connected to the control terminal.

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