A rapid detection device for edible oil additives

Abstract

The utility model discloses a rapid detection device for edible oil additives, including a bottom plate, a magnetic stirrer base installed on the top of the bottom plate, a control unit installed above the bottom plate, a stirring cup arranged above the magnetic stirrer base, a curved rod fixedly connected to the top of the circular plate, a straight cylinder movably connected to the outer side of the curved rod, the bottom of the straight cylinder fixedly connected to the side of the bottom plate through a connecting rod, two through holes of the circular plate movably connected to a barrel, a drip pump installed at the bottom of the barrel. The utility model relates to the technical field of edible oil detection, and realizes automatic addition of dichloromethane and sodium hydroxide solution and stirring of the entire continuous process through the cooperation between the barrel, the drip pump and the circular plate, thereby solving the problem that the existing equipment still needs to add raw materials manually for detection, which is prone to errors and increases labor costs and prolongs the detection time.

Description

Technical Field

[0001] The utility model relates to the technical field of edible oil detection, in particular to a rapid detection device for edible oil additives. Background Art

[0002] Edible oil, also known as "cooking oil", refers to animal or plant oils used in the process of making food, among which ethyl maltol is a common food additive that has the function of improving aroma and inhibiting microorganisms. Excessive addition can cause damage to the liver, lungs and other organs of the human body. In the prior art, high performance liquid chromatography, gas chromatography, mass spectrometry and other methods can generally be used for detection. However, it is generally common to detect samples such as beverages, candies, baked products, and dairy products. When these methods are applied to the detection of edible oil, the problem of too high a detection limit will occur, resulting in inaccurate detection data of ethyl maltol in edible oil. A rapid detection device for edible oil additives is provided.

[0003] The existing treatment process is as follows: step 1: weigh 10.000g of edible oil, filter it, add 10ml of dichloromethane, stir it magnetically for 10-15min, then add 50ml of 1-5% sodium hydroxide solution, continue magnetic stirring for 20-25min, then centrifuge it at 5000-8000r / min at 4°C for 5-10min, take the supernatant for standby use, step 2: take 5ml of the supernatant, adjust the pH to 3-5, then pass it through a solid phase extraction column, elute it with methanol and make it up to 5ml, and then perform HPLC-MS / MS analysis after filtering.

[0004] However, existing equipment still requires manual addition of raw materials for testing, which is prone to errors and increases labor costs and prolongs testing time. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a rapid detection device for edible oil additives, which solves the problem that the prior equipment still requires manual addition of raw materials for detection, which is prone to errors and increases labor costs and prolongs detection time.

[0006] To achieve the above-mentioned purpose, the utility model is implemented through the following technical scheme: a rapid detection device for edible oil additives, including a base plate, a magnetic stirrer base is installed on the top of the base plate, a control unit is installed above the base plate, a stirring cup is arranged above the magnetic stirrer base, and a dripping mechanism is arranged above the base plate, the dripping mechanism includes a circular plate, a barrel, a dripping pump, a curved rod, a straight barrel and a connecting rod, the top of the circular plate is fixedly connected with a curved rod, the outer side of the curved rod is movably connected with a straight barrel, the bottom of the straight barrel is fixedly connected to the side of the base plate through a connecting rod, the two through holes of the circular plate are movably connected with the barrel, and the bottom of the barrel is installed with a dripping pump.

[0007] Preferably, leveling feet are installed at the four corners of the bottom of the base plate, a test tube rack is installed on the top of the base plate, a bracket is installed at the bottom of the circular plate, and a temperature sensor is installed below the bracket.

[0008] Preferably, the outer side of the curved rod is fixedly connected to a limit strip, the outer side of the limit strip is movably connected to the top groove of the straight tube, and the outer side of the curved rod is tightly pressed against the outer side of the straight tube by screws.

[0009] Preferably, a cover body is installed on the top of the barrel, a scale rod is movably connected to the through hole of the cover body, and a float ball is installed at the bottom of the scale rod.

[0010] Preferably, the outer groove of the barrel is movably connected to an insertion rod, the outer side of the insertion rod is movably connected to the top through hole of the circular plate, the bottom of the insertion rod is fixedly connected to a slider, the outer side of the slider is slidably engaged with the top groove of the circular plate, and one side of the insertion rod is fixedly connected to a back plate fixed to the top of the circular plate through a tension spring.

[0011] Beneficial Effects

[0012] The utility model provides a rapid detection device for edible oil additives. It has the following beneficial effects: the rapid detection device for edible oil additives realizes the automatic addition of dichloromethane and sodium hydroxide solution through the cooperation between the barrel, the drip pump and the circular plate, and the stirring of the entire continuous process, which solves the problem that the existing equipment still needs to add raw materials manually for detection, which is prone to errors and increases labor costs and prolongs the detection time.

[0013] Through the cooperation among the circular plate, the barrel and the tension spring, the barrel can be quickly assembled, and the user can remove it for cleaning. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 for Figure 1 Schematic diagram of the structure of the middle float, scale rod and cover;

[0016] Figure 3 for Figure 1 Schematic diagram of the structure of the middle circular plate, barrel and tension spring;

[0017] Figure 4 for Figure 1 Schematic diagram of the structure of the center scale, cover and bracket.

[0018] In the figure: 1, bottom plate, 2, test tube rack, 3, leveling foot, 4, magnetic stirrer base, 5, stirring rod, 6, connecting rod, 7, straight cylinder, 8, screw, 9, curved rod, 10, limit strip, 11, float, 12, scale rod, 13, cover, 14, bracket, 15, round plate, 16, barrel, 17, temperature sensor, 18, plug rod, 19, back plate, 20, tension spring, 21, slider, 22, drip pump, 23, control unit. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] Existing equipment also requires manual addition of raw materials for testing, which is prone to errors and increases labor costs and prolongs testing time.

[0021] In view of this, a rapid detection device for edible oil additives is provided. Through the cooperation between the barrel, the drip pump and the circular plate, the automatic addition of dichloromethane and sodium hydroxide solution is realized, and the stirring of the entire continuous process is solved, which solves the problem that the existing equipment still needs to manually add raw materials for detection, which is prone to errors and increases labor costs and prolongs the detection time.

[0022] Through the personnel in this field, all the electrical components in this case are connected to their corresponding power supplies through wires, and appropriate controllers and encoders should be selected according to actual conditions to meet the control requirements. The specific connection and control sequence should refer to the following working principle, and the electrical connection between the electrical components is completed in the order of working in sequence. The detailed connection means are well-known technologies in this field. The following mainly introduces the working principles and processes, and no longer explains the electrical control.

[0023] Embodiment 1: Figure 1 , 2As shown in Figure 4, a rapid detection device for edible oil additives includes a bottom plate 1, a magnetic stirrer base 4 is installed on the top of the bottom plate 1, the magnetic stirrer base 4 does not include a cup body and a magnetic block, and the specific model is not limited. A control unit 23 is installed above the bottom plate 1, and the control unit 23 can control two drip pumps 22 to start dripping, and can also control the dripping amount and dripping time in a programming manner, and can also control the body inside the magnetic stirrer base 4 to start stirring. The above control process is a prior art and is not limited here. The magnetic stirrer A stirring cup 5 is arranged above the mixer base 4, and a dripping mechanism is arranged above the bottom plate 1. The dripping mechanism includes a circular plate 15, a barrel 16, a dripping pump 22, a curved rod 9, a straight cylinder 7 and a connecting rod 6. The top of the circular plate 15 is fixedly connected with the curved rod 9, and the outer side of the curved rod 9 is movably connected with the straight cylinder 7. The bottom of the straight cylinder 7 is fixedly connected to the side of the bottom plate 1 through the connecting rod 6. The two through holes of the circular plate 15 are movably connected with the barrel 16, and the barrel 16 can move in the through hole of the circular plate 15. A dripping pump 22 is installed at the bottom of the barrel 16, and the model of the dripping pump 22 is not limited.

[0024] In the specific implementation process, it is worth pointing out that the automatic addition of dichloromethane and sodium hydroxide solution is realized through the cooperation between the curved rod 9, the straight cylinder 7 and the connecting rod 6, and the stirring of the entire continuous process solves the problem that the existing equipment still needs to manually add raw materials for detection, which is prone to errors and increases labor costs and prolongs the detection time.

[0025] Furthermore, leveling feet 3 are installed at the four corners of the bottom of the bottom plate 1, a test tube rack 2 is installed on the top of the bottom plate 1, a bracket 14 is installed at the bottom of the circular plate 15, a temperature sensor 17 is installed below the bracket 14, and the probe position of the temperature sensor 17 is set at the bottom. The model of the temperature sensor 17 is not limited;

[0026] In the specific implementation process, it is worth noting that the temperature sensor 17 can monitor the reaction temperature;

[0027] Furthermore, the outer side of the curved rod 9 is fixedly connected to the limit strip 10, the outer side of the limit strip 10 is movably connected to the top groove of the straight tube 7, and the outer side of the curved rod 9 is tightly pressed against the outer side of the straight tube 7 by the screw 8;

[0028] In the specific implementation process, it is worth pointing out that the limit bar 10 can limit the bending rod 9 so that it can only move vertically and linearly;

[0029] Furthermore, a cover 13 is installed on the top of the barrel 16, a scale rod 12 is movably connected to the through hole of the cover 13, and a float 11 is installed at the bottom of the scale rod 12;

[0030] In the specific implementation process, it is worth pointing out that the scale rod 12 can move in the through hole of the cover body 13, and the float ball 11 can change with the height of the solution level;

[0031] Specifically, when using the edible oil additive rapid detection device, the magnetic stirrer base 4 can stir the edible oil and the sample, and the drip pump 22 controls the quantitative dripping of the solution for detection, and the interval time can be controlled by the control unit 23, and the specific programming method is not limited.

[0032] Embodiment 2: By Figure 1 and 3 It can be seen that the outer groove of the barrel 16 is movably connected with an insertion rod 18, and the insertion rod 18 can move in the outer groove of the barrel 16. The outer side of the insertion rod 18 is movably connected to the top through hole of the circular plate 15. The bottom of the insertion rod 18 is fixedly connected with a slider 21. The outer side of the slider 21 is slidably engaged with the top groove of the circular plate 15. The slider 21 can move in the top groove of the circular plate 15. One side of the insertion rod 18 is fixedly connected to a back plate 19 fixed to the top of the circular plate 15 through a tension spring 20.

[0033] In the specific implementation process, it is worth pointing out that the user can pull the insertion rod 18 and pull the barrel 16 downward to separate from the circular plate 15 for cleaning, wherein the elastic deformation of the tension spring 20 can drive the insertion rod 18 to always be inserted into the groove of the barrel 16 for positioning;

[0034] Specifically, on the basis of the above-mentioned first embodiment, the cooperation among the circular plate 15, the barrel 16 and the tension spring 20 realizes the quick assembly of the barrel 16, which is convenient for the user to remove for cleaning.

[0035] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions. The sentence "includes an element defined by ... does not exclude the existence of other identical elements in the process, method, article or device including the element".

[0036] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A rapid detection device for edible oil additives, comprising a bottom plate (1), characterized in that: A magnetic stirrer base (4) is installed on the top of the bottom plate (1), a control unit (23) is installed above the bottom plate (1), a stirring cup (5) is arranged above the magnetic stirrer base (4), and a dripping mechanism is arranged above the bottom plate (1); The dripping mechanism comprises a circular plate (15), a barrel (16), a dripping pump (22), a curved rod (9), a straight barrel (7) and a connecting rod (6); A curved rod (9) is fixedly connected to the top of the circular plate (15), and a straight cylinder (7) is movably connected to the outer side of the curved rod (9). The bottom of the straight cylinder (7) is fixedly connected to the side of the bottom plate (1) through a connecting rod (6). The two through holes of the circular plate (15) are movably connected to a barrel (16), and a drip pump (22) is installed at the bottom of the barrel (16).

2. The edible oil additive rapid detection device according to claim 1, characterized in that: Leveling feet (3) are installed at the four corners of the bottom of the base plate (1), a test tube rack (2) is installed on the top of the base plate (1), a bracket (14) is installed at the bottom of the circular plate (15), and a temperature sensor (17) is installed below the bracket (14).

3. The edible oil additive rapid detection device according to claim 1, characterized in that: The outer side of the curved rod (9) is fixedly connected to a limit strip (10), the outer side of the limit strip (10) is movably connected to the top groove of the straight cylinder (7), and the outer side of the curved rod (9) is tightly pressed against the outer side of the straight cylinder (7) via a screw (8).

4. The edible oil additive rapid detection device according to claim 1, characterized in that: A cover body (13) is installed on the top of the barrel (16); a scale rod (12) is movably connected to a through hole of the cover body (13); and a floating ball (11) is installed at the bottom of the scale rod (12).

5. The edible oil additive rapid detection device according to claim 1, characterized in that: The outer groove of the barrel (16) is movably connected to an insertion rod (18), the outer side of the insertion rod (18) is movably connected to the top through hole of the circular plate (15), the bottom of the insertion rod (18) is fixedly connected to a slider (21), the outer side of the slider (21) is slidably engaged with the top groove of the circular plate (15), and one side of the insertion rod (18) is fixedly connected to a back plate (19) fixed to the top of the circular plate (15) through a tension spring (20).

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