CN219496244U

CN219496244U - Sulfur dioxide tester

Info

Publication number: CN219496244U
Application number: CN202320748151.XU
Authority: CN
Inventors: 朱洪平
Original assignee: Hangzhou Fuyang Hongli Food Co ltd
Current assignee: Hangzhou Fuyang Hongli Food Co ltd
Priority date: 2023-04-07
Filing date: 2023-04-07
Publication date: 2023-08-08
Anticipated expiration: 2033-04-07

Abstract

The utility model discloses a sulfur dioxide tester which comprises a main controller, a detection module and a display screen, wherein the main controller, the detection module and the display screen are all arranged on a box body, a rotation disc is connected with the box body in a rotating way, a plurality of limiting grooves are formed in the rotation disc along the circumference of the rotation disc, the detection module comprises a gas pump, a redox electrode, a solution container and a sampling bottle, a sealing disc is arranged at the top of the sampling bottle, the solution container is connected with the sealing disc through a first pipeline with a one-way valve, the input end of the gas pump is connected with the sealing disc through a second pipeline, and the output end of the gas pump extends to redox electricity. According to the utility model, the plurality of limiting grooves are arranged, when one sample is detected, the other sampling bottle to be detected can be prepared and placed in the adjacent limiting groove, and after the detection is finished, the sampling bottle is replaced by rotating the rotating disc, so that the preparation time is shortened, and the detection efficiency is improved.

Description

Sulfur dioxide tester

Technical Field

The utility model relates to the field of food detection, in particular to a sulfur dioxide tester.

Background

Sulfur dioxide in foods is a common food additive to prevent spoilage and oxidation of foods, however high concentrations of sulfur dioxide are harmful to human health. Therefore, monitoring the sulfur dioxide content in food products is very important.

The utility model patent of China with the application number of CN202122119110.8 provides a food sulfur dioxide tester, which comprises a tester body, the top fixed mounting of tester body has the top cap, the top cap below is equipped with the removal seat and is used for driving the first elevating system that removes the seat and go up and down, first elevating system and top cap fixed connection, removes seat and tester body sliding connection, removes and is equipped with LED light, temperature sensor and buret on the seat fixed mounting, the bottom fixed mounting of tester body has the base, is equipped with the heating seat above the base and is used for driving the second elevating system that the heating seat goes up and down, second elevating system and base fixed connection, has inlayed pressure sensor on the heating seat, and the detection container is placed on the heating seat, and LED light, temperature sensor and buret all aim at the detection container, and the periphery fixed mounting that the base is located the heating seat has the shading section of thick bamboo. The detection container is convenient to take out, and the degree of automation is high.

However, the applicant has found that the prior art has at least the following problems: when the food is sampled and detected, the detection sample is placed into the detection container to detect the food, however, in the food production field, a large number of samples are required to be detected every day, when the detection is carried out through the prior art, the samples detected before are required to be detected, then the detection container is cleaned and then the samples are put into the detection container again to be detected, so that the detection time interval is large, and the detection efficiency is influenced.

Disclosure of Invention

The utility model discloses a sulfur dioxide analyzer, which aims to solve the problems in the background technology.

In order to solve the technical problems, the utility model adopts a technical scheme that: the utility model provides a sulfur dioxide apparatus, including main control unit, detection module and display screen, main control unit, detection module and display screen are all installed on the box, the rotation of box is connected with the alternation dish, the alternation dish is provided with a plurality of spacing grooves along its circumference, detection module includes gas pump, redox electrode, solution container and sampling bottle, the top of sampling bottle is provided with the sealing disk, the solution container is connected with the sealing disk through the pipeline one that has the check valve, just the input of gas pump is connected with the sealing disk through pipeline two, the output of gas pump extends to redox electrode, redox electrode is connected with the main control unit electricity, main control unit is connected with the display screen electricity.

As a preferred implementation mode of the sulfur dioxide analyzer provided by the utility model, the upper end of the sealing disc is vertically and slidably connected with the box body through the guide rod, and the upper end of the guide rod is provided with the telescopic motor.

As a preferred embodiment of the sulfur dioxide analyzer provided by the utility model, a liquid pump is arranged at the first pipeline positioned on the solution container, and a second pipeline positioned at the input end of the gas pump is arranged in the guide rod.

As a preferred implementation mode of the sulfur dioxide analyzer provided by the utility model, the outer ring of the sealing disc is provided with a sealing ring, and the bottom of each limiting groove is provided with a fixed sucker.

As a preferred embodiment of the sulfur dioxide analyzer provided by the utility model, at least three limit grooves are formed, and one side of the box body is provided with an operation notch.

As a preferred embodiment of the sulfur dioxide analyzer provided by the utility model, the main controller is electrically connected with the gas pump and is used for controlling the operation of the gas pump.

As a preferred embodiment of the sulfur dioxide analyzer provided by the utility model, the redox electrode is a silver electrode, and the solution container is a mixture of sodium sulfite and potassium iodate.

As a preferred embodiment of the sulfur dioxide analyzer provided by the utility model, a driving motor is arranged in the middle of the rotating disc.

By the technical proposal, the utility model has the advantages that,

the beneficial effects of the utility model are as follows:

according to the sulfur dioxide tester, a food sample to be tested is placed into a sampling bottle, the sampling bottle is placed into one of limit grooves on a conversion plate, the sampling bottle is rotated to the lower side of a detection module through rotation of the conversion plate, sulfur dioxide is measured on the sample in the sampling bottle through the detection module, during detection, a reagent in a solution container of the detection module is put into the sampling bottle through a pipeline with a one-way valve to react, the sampling bottle is sealed through downward movement of a sealing plate, gas generated after the reaction is pumped into a redox electrode through an installed gas pump, the concentration of sulfur dioxide in a reactor is detected through the redox electrode, finally test data is displayed on a display screen through a main controller, and through the arrangement of the limit grooves, when one sample is detected, the other sampling bottle to be tested can be prepared and placed into an adjacent limit groove, after detection, the preparation time is shortened, and the detection efficiency is increased through replacement through rotation of the conversion plate.

Drawings

In order to more clearly illustrate the solution of the present utility model, a brief description will be given below of the drawings required for the description of the embodiments, it being obvious that the drawings in the following description are some embodiments of the present utility model, and that other drawings may be obtained from these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of the whole structure of the present utility model;

FIG. 3 is a schematic diagram of the overall structure of the present utility model;

fig. 4 is a schematic structural diagram of a detection module according to the present utility model.

In the figure: 1. a case; 2. changing a disc; 3. a limit groove; 4. an operation notch; 5. a solution container; 6. a guide rod; 7. a telescopic motor; 8. a main controller; 9. a display screen; 10. fixing a sucker; 11. a sealing plate; 12. a second pipeline; 13. and a first pipeline.

Detailed Description

In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

In order to solve the technical problem, please refer to fig. 1-4, the utility model provides a sulfur dioxide analyzer, which comprises a main controller 8, a detection module and a display screen 9, wherein the main controller 8, the detection module and the display screen 9 are all installed on a box body 1, the rotation of the box body 1 is connected with a rotation disc 2, the rotation disc 2 is circumferentially provided with a plurality of limiting grooves 3, the detection module comprises a gas pump, a redox electrode, a solution container 5 and a sampling bottle, the top of the sampling bottle is provided with a sealing disc 11, the solution container 5 is connected with the sealing disc 11 through a first pipeline 13 with a one-way valve, the input end of the gas pump is connected with the sealing disc 11 through a second pipeline 12, the output end of the gas pump extends to the redox electrode, the redox electrode is electrically connected with the main controller 8, and the main controller 8 is electrically connected with the display screen 9.

According to the sulfur dioxide tester provided by the utility model, a food sample to be tested is placed into the sampling bottle, the sampling bottle is placed into one of the limit grooves on the conversion plate, the sampling bottle is rotated to the lower side of the detection module through rotation of the conversion plate, sulfur dioxide is measured on the sample in the sampling bottle through the detection module, during detection, a reagent in the detection module solution container 5 is put into the sampling bottle through the first pipeline 13 with the one-way valve to react, the sampling bottle is sealed through downward movement of the sealing plate, gas generated after the reaction is pumped into the redox electrode through the mounted gas pump, the sulfur dioxide concentration in the reactor is detected through the redox electrode, finally, test data is displayed on the display screen through the main controller, and through setting the plurality of limit grooves 3, when one sample is detected, the other sampling bottle to be tested is ready and placed into the adjacent limit groove, after detection is completed, replacement is performed through rotating the conversion plate, so that the preparation time is shortened, and the detection efficiency is increased.

The redox electrode is an electrochemical sensor that can use redox reactions to detect the concentration of redox species in a fluid to be measured, and in a sulfur dioxide meter, the redox electrode is used to detect the concentration of sulfur dioxide in a sample to be measured.

In order to make the person skilled in the art better understand the solution of the present utility model, the technical solution of the embodiment of the present utility model will be clearly and completely described below with reference to the accompanying drawings.

It should be noted that, under the condition of no conflict, the embodiments of the present utility model and the features and technical solutions in the embodiments may be combined with each other.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

Example 1

Referring to fig. 1, a sulfur dioxide analyzer includes a main controller 8, a detection module and a display screen 9, the main controller 8, the detection module and the display screen 9 are all installed on a box 1, the rotation of the box 1 is connected with a rotation disc 2, the rotation disc 2 is provided with a plurality of limit grooves 3 along its circumference, the detection module includes a gas pump, an oxidation-reduction electrode, a solution container 5 and a sampling bottle, the top of the sampling bottle is provided with a sealing disc 11, the upper end of the sealing disc 11 is vertically and slidingly connected with the box 1 through a guide rod 6, a food sample to be detected is placed into the sampling bottle, the sampling bottle is placed into one of the limit grooves on the conversion disc, the sampling bottle is rotated to the lower side of the detection module through the rotation of the conversion disc, sulfur dioxide is measured on the sample located in the sampling bottle through the detection module, when one sample is detected, the other sample bottle to be detected can be prepared and placed into an adjacent limit groove, after the detection is completed, the preparation time is shortened, and the detection efficiency is increased.

Referring to fig. 2-3, the upper end of the guide rod 6 is provided with a telescopic motor 7, a first pipeline 13 on the solution container 5 is provided with a liquid pump, a second pipeline 12 on the input end of the gas pump is arranged in the guide rod 6, and the guide rod is driven to move up and down by the telescopic motor, so that a sealing disc connected with the guide rod is driven to move, the top opening of a sampling bottle at the bottom is conveniently sealed, and gas in the reactor is conveniently sucked out.

Referring to fig. 1, a solution container 5 is connected with a sealing disc 11 through a first pipeline 13 with a one-way valve, an input end of a gas pump is connected with the sealing disc 11 through a second pipeline 12, an output end of the gas pump extends to a redox electrode, the redox electrode is electrically connected with a main controller 8, the main controller 8 is electrically connected with a display screen 9, a reagent in the solution container 5 of the detection module is put into a sampling bottle through the first pipeline 13 with the one-way valve for reaction, the sampling bottle is sealed through the downward movement of the sealing disc, gas generated after the reaction is pumped into the redox electrode through the installed gas pump, the concentration of sulfur dioxide in the reactor is detected through the redox electrode, and finally test data are displayed on the display screen through the main controller.

Example 2

For a sulfur dioxide apparatus provided in embodiment 1, specifically, as shown in fig. 4, a sealing ring is arranged on an outer ring of a sealing disc 11, a fixed suction disc 10 is installed at the bottom of each limiting groove 3, at least three limiting grooves 3 are arranged, an operation notch 4 is formed in one side of a box body 1, and a main controller 8 is electrically connected with a gas pump and is used for controlling the gas pump to work.

The sealing ring is arranged to improve the tightness of the sealing disc, gas generated after reaction is conveniently pumped into the redox electrode, the sampling bottle placed in the limiting groove is adsorbed and fixed through the fixed sucker, and the sampling bottle is conveniently taken out and installed through the arranged operation notch 4, so that the main controller 8 is electrically connected with the gas pump and is used for controlling the work of the gas pump.

Example 3

Further optimizing a sulfur dioxide analyzer provided in example 1 or 2, as shown in fig. 1, the redox electrode is a silver electrode, the solution container 5 is a mixture of sodium sulfite and potassium iodate, and a driving motor is installed in the middle of the rotating disc 2.

Sulfur dioxide reacts with the reagents sodium sulfite and potassium iodate to produce sulfuric acid and iodide ions. During the reaction, a redox electrode was placed in the reactor and the potential change in the reactor was detected. As the reaction proceeds, the concentration of sulfur dioxide increases, resulting in a decrease in the concentration of the reducing agent in the reaction system, and the potential of the redox electrode changes accordingly. From the magnitude of the potential change, the sulfur dioxide concentration in the reactor can be calculated.

Working principle: the method comprises the steps of placing a food sample to be detected into a sampling bottle, placing the sampling bottle into one of limit grooves 3 on a conversion plate 2, rotating the sampling bottle to the lower side of a detection module through rotation of the conversion plate 2, measuring sulfur dioxide of the sample in the sampling bottle through the detection module, during detection, putting a reagent in a solution container 5 of the detection module into the sampling bottle through a first pipeline 13 with a one-way valve for reaction, sealing the sampling bottle through a sealing plate 11, pumping gas generated after the reaction into a redox electrode through an installed gas pump, detecting the concentration of sulfur dioxide in a reactor through the redox electrode, finally displaying test data on a display screen 9 through a main controller 8, and when one sample is detected, preparing the other sampling bottle to be detected, placing the other sampling bottle into the adjacent limit groove 3, and replacing the sampling bottle through rotating the rotation plate 2 after the detection is finished.

In order to more clearly illustrate the general inventive concept, reference will be made in the following detailed description, by way of example, to the accompanying drawings.

It should be noted that in the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced in other ways than as described herein, and therefore the scope of the present utility model is not limited by the specific embodiments disclosed below.

In addition, in the description of the present utility model, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Claims

1. The utility model provides a sulfur dioxide apparatus, includes main control unit, detection module and display screen, main control unit, detection module and display screen are all installed on the box, its characterized in that: the rotation of box is connected with the rotation dish, the rotation dish is provided with a plurality of spacing grooves along its circumference, detection module includes gas pump, redox electrode, solution container and sampling bottle, the top of sampling bottle is provided with the sealing disk, the solution container is connected with the sealing disk through the pipeline one that has the check valve, just the input of gas pump is connected with the sealing disk through pipeline two, the output of gas pump extends to the redox electrode, the redox electrode is connected with the main control unit electricity, the main control unit is connected with the display screen electricity.

2. A sulfur dioxide meter according to claim 1, wherein: the upper end of the sealing disc is vertically connected with the box body in a sliding manner through a guide rod, and the upper end of the guide rod is provided with a telescopic motor.

3. A sulfur dioxide meter according to claim 2, wherein: a liquid pump is arranged at the first pipeline positioned on the solution container, and a second pipeline positioned at the input end of the gas pump is arranged in the guide rod.

4. A sulfur dioxide meter according to claim 1, wherein: the sealing disk outer ring is provided with a sealing ring, and a fixed sucker is installed at the bottom of each limiting groove.

5. A sulfur dioxide meter according to claim 1, wherein: the limit groove is provided with three at least, operation notch has been seted up to one side of box.

6. A sulfur dioxide meter according to claim 1, wherein: the main controller is electrically connected with the gas pump and is used for controlling the work of the gas pump.

7. A sulfur dioxide meter according to claim 1, wherein: the redox electrode is a silver electrode, and the solution container is a mixture of sodium sulfite and potassium iodate.

8. A sulfur dioxide meter according to claim 1, wherein: and a driving motor is arranged in the middle of the rotating disc.