CN205786335U - Portable food detector - Google Patents

Abstract

The portable food detector of the present utility model comprises a housing in which a photoelectric sensor, a colorimetric cell, a light-emitting element, a main board, a battery, a power socket, a data line socket, and a switch are arranged, and a cover is provided on the upper side of the housing. body; the colorimetric cell and the main board are both arranged on the bottom surface of the housing, the photoelectric sensors and light-emitting elements are respectively arranged on both sides of the colorimetric cell, and the battery is arranged on the inner wall of the housing; the cover body is provided with a colorimetric cell cover, a liquid crystal display screen, For the printer, the colorimetric tank cover is located above the colorimetric tank, the LCD screen and the printer are located above the main board, and the power socket, data line socket and switch are all set on the main board. The portable food detector of the utility model can quickly detect harmful ingredients in food and obtain the result in a short time, print it out, and detect four samples at the same time, which is convenient for sample detection, small in size, easy to carry, simple in structure and easy to carry. Installation, production, and simple design make the operation convenient and have broad application prospects.

Description

Portable Food Detector

technical field

The utility model relates to the field of food safety monitoring, in particular to a portable food detector.

Background technique

At present, food safety is related to thousands of households. The country pays more and more attention to food quality. The Food and Drug Administration, industry and commerce, technical supervision, agriculture, health and other departments have carried out regular on-site spot checks on food safety and quality. Because many items need to be tested quickly on the spot, the test results can be obtained on the spot, and there are many food items that need to be tested, but the existing food detectors have a small detection range, are inconvenient to carry, and are complicated to operate. Therefore, the company combines the reality It is necessary to design a portable food detector to expand the detection range, quickly detect harmful ingredients in food and print out the results in a short time. Because the portable food detector is compact and small in size, it is easy to carry and simple in design, making it The operator is convenient and quick to operate.

Utility model content

The utility model provides a portable food detector, which can quickly detect samples and has a wide detection range. It can detect four samples at the same time, which is convenient for sample detection. Because of its small size, it is easy to carry and solves the defects caused by the prior art.

In order to achieve the above object, the utility model provides the following technical solutions: a portable food detector, which includes a housing, and the housing is equipped with a photoelectric sensor, a colorimetric cell, a light emitting element, a main board, a battery, a power socket, a data A line socket and a switch, and a cover is provided on the upper side of the housing;

Both the colorimetric cell and the main board are arranged on the bottom surface of the housing, the photoelectric sensors and light-emitting elements are respectively arranged on both sides of the colorimetric cell, and the battery is arranged on the inner wall of the housing;

The cover body is provided with a colorimetric cell cover, a liquid crystal display screen, and a printer. The colorimetric cell cover is located above the colorimetric cell, and the liquid crystal display screen and the printer are located above the main board;

The power socket, the data cable socket, and the switch are all arranged on the main board.

The aforementioned portable food detector, wherein, the main board is respectively connected with the liquid crystal display, the battery phase, the light-emitting element and the photoelectric sensor, and the battery is connected with the printer.

In the aforementioned portable food detector, the colorimetric tank is provided with multiple channels, and the number of the channels is at least four.

In the aforementioned portable food detector, wherein the liquid crystal display is a touchable liquid crystal display resistive screen.

The aforementioned portable food detector, wherein the battery is a lithium-ion battery.

In the aforementioned portable food detector, the light-emitting element is a multi-wavelength LED lamp.

In the aforementioned portable food detector, the photoelectric sensor is an integrated photoelectric sensor.

The above-mentioned portable food detector, wherein, the length of the portable food detector is 19.5 cm, the width is 24.5 cm, and the height is 9 cm.

According to the technical solution effect of the above-mentioned utility model portable food detector is:

1. It can quickly detect samples, and the detection range is wide, and four samples can be detected at the same time;

2. It is convenient for sample detection, small in size and easy to carry;

3. Its structure is simple, easy to install and produce.

Description of drawings

Fig. 1 is the single-chip microcomputer control diagram of the portable food detector of the present invention;

Fig. 2 is the internal structure diagram of the utility model portable food detector;

Fig. 3 is an external structural diagram of the portable food detector of the present invention.

Reference number: photoelectric sensor 1, colorimetric cell 2, light-emitting element 3, main board 4, battery 5, colorimetric cell cover 6, LCD display 7, printer 8, power socket 9, data cable socket 10, switch 11, shell Body 12, cover body 13.

detailed description

In order to make the technical means, creative features, goals and effects achieved by the utility model easy to understand, the utility model will be further elaborated below in conjunction with specific illustrations.

A preferred embodiment of the utility model provides a portable food detector to improve the accuracy of detection of harmful components in food.

As shown in Figure 1-3, the portable food detector includes a housing 12, which is equipped with a photoelectric sensor 1, a colorimetric cell 2, a light emitting element 3, a main board 4, a battery 5, a power socket 9, and a data line The socket 10, the switch 11, and the upper side of the casing 12 are provided with a cover 13, where the cover 13 covers the opening of the casing 12 to play a role of sealing and dustproof. Both the colorimetric tank 2 and the main board 4 are arranged on the bottom surface of the housing 12, and the photoelectric sensor 1 and the light-emitting element 3 are respectively arranged on both sides of the colorimetric tank 2, where the light-emitting element 3 illuminates the colorimetric tank 2, and the photoelectric sensor 1 is illuminated. The light transmitted through the cuvette 2 is detected. The battery 5 is disposed on the inner wall of the housing 12 , and the battery 5 is located above the side of the main board 4 and is disposed in the housing 12 together with the main board 4 so that the components in the housing 12 have a compact structure. Cover 13 is provided with colorimetric tank cover 6, liquid crystal display screen 7, printer 8, colorimetric tank cover 6 is positioned at the top of colorimetric tank 2, liquid crystal display screen 7 and printer 8 are positioned at the top of main board 4, further colorimetric The tank cover 6 can be opened separately from the cover body 13, so that when the cover body 13 covers the housing, the operator can also detect the food; furthermore, the food can be detected by the liquid crystal display screen 7 and the printer 8. The data can be printed out in real time. The power socket 9 , the data cable socket 10 and the switch 11 are all arranged on the main board 4 . A further power socket 9 is used to connect the power to charge the battery 5, and a data line socket 10 can transmit all stored data to other devices.

The portable food detector provided in this example is developed based on the principle of colorimetric analysis in which the substance under test reacts with the chromogenic agent to generate a colored compound, and the colored compound selectively absorbs visible light, as shown in Figure 1 , the process of detecting the sample is as follows:

Firstly, put the sample to be tested into the colorimetric cell 2, then cover the colorimetric cell cover 6, select the operation program through the liquid crystal display 7, when the program starts, the light-emitting element 3 performs light-emitting irradiation compared with the colorimetric cell 2, and the light-emitting element 3 light is received by the photoelectric sensor 1 after passing through the sample. During this process, the measured sample will selectively absorb light of a specific wavelength in the visible light spectrum; 4. After receiving the data, calculate the intensity of light of a specific wavelength absorbed by the measured sample components, and then calculate the concentration of the detected substance in the sample; finally, print out the test results through the printer 8 or pass the data port 10 to the data output.

The portable food detector provided in this embodiment, in order to maximize the efficiency, the colorimetric cell 2 used has at least four consistent channels, which can simultaneously detect more than four samples and draw conclusions, making the detection process more efficient. Simple and time-saving.

The portable food detector provided in this embodiment, in order to prevent impurities from entering the sample and prevent background interference, a colorimetric cell cover 6 is provided on the cover, thereby improving the accuracy; at the same time, the portable food detector provided in this embodiment The detector has no chemical pollution, has the advantages of environmental protection and energy saving, and has fast analysis speed, high sensitivity and simple operation, which saves most of the time; it achieves real-time monitoring, and can be used in various environments including harsh working environments, with low operating costs , can also save complete historical data, because the data socket 10 is provided, the stored data can be transmitted to other devices.

The portable food detector provided in this embodiment is 19.5 centimeters long, 24.5 centimeters wide, and 9 centimeters high. , so the utility model can be used without a power supply, which is convenient and quick.

Specifically, in order to allow users to quickly learn to operate, the utility model adopts a touchable liquid crystal display screen 7, which simplifies the operation steps and saves a lot of time; in order to quickly process data and obtain results, an integrated photoelectric sensor is used, integrated Compared with the detection effect in the prior art, the speed of the photoelectric sensor is 2 times faster, which can greatly optimize the processing capacity of the utility model.

To sum up, the portable food detector of the present invention can quickly detect samples and has a wide detection range. It can detect four samples at the same time, which is convenient for sample detection. It is small in size and easy to carry. Its structure is simple and easy to install and produce.

The specific embodiments of the utility model have been described above. It should be understood that the utility model is not limited to the specific embodiments described above, and the equipment and structures not described in detail should be understood as being implemented in a common way in the art; those skilled in the art can make Some simple inferences, deformations or replacements are made without various deformations or modifications, which do not affect the essential content of the utility model.

Claims (8)

1. Portable food detector, it is characterized in that, comprises a casing, and described casing is provided with photoelectric sensor, colorimetric cell, light-emitting element, main board, battery, power socket, data line socket, switch, and on the described casing A cover is provided on the side; Both the colorimetric cell and the main board are arranged on the bottom surface of the housing, the photoelectric sensors and light-emitting elements are respectively arranged on both sides of the colorimetric cell, and the battery is arranged on the inner wall of the housing; The cover body is provided with a colorimetric cell cover, a liquid crystal display screen, and a printer. The colorimetric cell cover is located above the colorimetric cell, and the liquid crystal display screen and the printer are located above the main board; The power socket, the data cable socket, and the switch are all arranged on the main board. 2. The portable food detector according to claim 1, wherein the main board is connected to the liquid crystal display, the battery, the light-emitting element and the photoelectric sensor respectively, and the battery is connected to the photoelectric sensor. connected to the above printer. 3. The portable food detector according to claim 1, wherein the colorimetric cell is provided with a plurality of channels, and the number of the channels is at least four. 4. The portable food detector according to claim 2, wherein the liquid crystal display is a touchable liquid crystal display resistive screen. 5. The portable food detector according to claim 2, wherein the battery is a lithium ion battery. 6. The portable food detector according to claim 2, wherein the light-emitting element is a multi-wavelength LED lamp. 7. The portable food detector according to claim 2, wherein the photoelectric sensor is an integrated photoelectric sensor. 8. The portable food detector according to claim 1, wherein the portable food detector has a length of 19.5 cm, a width of 24.5 cm, and a height of 9 cm.