Dispersive liquid-liquid microextraction-ultraviolet combined bisphenol F quantitative detection device

Abstract

The utility model discloses a dispersive liquid-liquid microextraction-ultraviolet combined bisphenol F quantitative detection device, and belongs to the field of bisphenol F quantitative detection. The dispersive liquid-liquid microextraction-ultraviolet combined bisphenol F quantitative detection device comprises a bottom plate, one side of the bottom plate is fixedly connected with a supporting plate, the top of one side of the supporting plate is connected with a liquid storage barrel, and the other side of the supporting plate is fixedly connected with a lifting mechanism; and the upper surface of the bottom plate is fixedly connected with an ultraviolet spectrophotometer. Through the arrangement of the lifting mechanism and the cleaning assembly, a first motor is started to drive a driving rod to rotate, then the driving rod rotates to drive a sweeping frame to rotate, the sweeping frame rotates to clean the inner wall of a liquid storage barrel, and then the cleaning speed is increased, so that the cleaning efficiency is improved, meanwhile, a second motor is started to drive a lead screw to rotate, and the cleaning efficiency is improved. The lead screw rotates to drive the lifting frame to vertically move up and down, the lifting frame vertically moves up and down to drive the transverse pipe to move, and then the height of the liquid outlet pipe is adjusted, so that the liquid outlet pipe accurately drops liquid into a receiving container, and the liquid is prevented from being scattered out of the container.

Description

Technical Field

[0001] The utility model relates to the technical field of quantitative detection of bisphenol F, in particular to a device for quantitative detection of bisphenol F by dispersive liquid-liquid microextraction-ultraviolet combination. Background Technique

[0002] As a common chemical raw material, bisphenol F is widely used in the production of products such as plastics and resins. However, bisphenol F has potential endocrine disrupting effects and may have adverse effects on human health. Therefore, it is crucial to accurately detect the content of bisphenol F in samples such as the environment and food packaging materials.

[0003] However, after each use of the container for storing liquid, it needs to be cleaned in time to avoid affecting the next use. Usually, manual cleaning is relied on, which is time-consuming and laborious, and the work efficiency is relatively low. Content of the Utility Model

[0004] The purpose of the utility model is to propose a device for quantitative detection of bisphenol F by dispersive liquid-liquid microextraction-ultraviolet combination to solve the problem that after each use of the container for storing liquid, it needs to be cleaned in time to avoid affecting the next use, usually manual cleaning is relied on, which is time-consuming and laborious, and the work efficiency is relatively low.

[0005] To achieve the above purpose, the utility model adopts the following technology: a device for quantitative detection of bisphenol F by dispersive liquid-liquid microextraction-ultraviolet combination, including a bottom plate, a support plate is fixedly connected to one side of the bottom plate, a liquid storage bucket is connected to the top of one side of the support plate, a lifting mechanism is fixedly connected to the other side of the support plate, and an ultraviolet spectrophotometer is fixedly connected to the upper surface of the bottom plate;

[0006] A cleaning component, including a first motor installed on the top of the liquid storage bucket, an output end of the first motor is connected to a driving rod, and cleaning frames are fixedly connected to both sides of the driving rod.

[0007] As a further description of the above technical solution: the lifting mechanism includes a second motor installed on the top of the other side of the support plate, an output end of the second motor is connected to a lead screw, a bottom of the lead screw is rotatably connected to the support plate through a bearing seat, a lifting frame is threadedly connected to a surface of the lead screw, and guide rods are fixedly connected to both sides of an inner wall of the lifting frame, and the two guide rods are slidably connected to the support plate.

[0008] As a further description of the above technical solution: a feed pipe is fixedly connected to a surface of the liquid storage bucket, and the cleaning frame is in close contact with an inner wall of the liquid storage bucket.

[0009] As a further description of the above technical solution: a placement groove is provided on one side of the ultraviolet spectrophotometer, a placement frame is slidably connected inside the placement groove, through rods are respectively inserted through both sides of the placement frame, arc-shaped plates and baffles are respectively connected to both ends of the through rods, a spring is provided between the arc-shaped plate and the placement frame, and the spring is sleeved on the surface of the through rod.

[0010] As a further description of the above technical solution: a hose is fixedly connected to the bottom of the liquid storage barrel, the bottom of the hose is connected to a transverse pipe, both ends of the transverse pipe are connected to the lifting frame, and a liquid outlet pipe is fixedly connected to the bottom of the transverse pipe.

[0011] As a further description of the above technical solution: valves are respectively arranged on the surfaces of the liquid outlet pipe and the hose.

[0012] As a further description of the above technical solution: a cover plate is slidably connected above the placement groove.

[0013] In summary, due to the adoption of the above technical solution, the beneficial effects of the present utility model are as follows:

[0014] Through the setting of the lifting mechanism and the cleaning component, when the first motor is started, the driving rod rotates, and then the driving rod rotates to drive the cleaning frame to rotate. The cleaning frame rotates to clean the inner wall of the liquid storage barrel, thereby improving the cleaning speed and the efficiency of the cleaning work. At the same time, when the second motor is started, the lead screw rotates, and the lead screw rotates to drive the lifting frame to move vertically up and down. The lifting frame moves vertically up and down to drive the transverse pipe to move, thereby adjusting the height of the liquid outlet pipe, so that the liquid outlet pipe can accurately drip liquid into the receiving container and avoid spilling outside the container. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 shows the overall structural schematic diagram provided by the embodiment of the present utility model;

[0016] Figure 2 shows the sectional structural schematic diagram of the liquid storage barrel provided by the embodiment of the present utility model;

[0017] Figure 3 shows the structural schematic diagram of the lifting mechanism provided by the embodiment of the present utility model;

[0018] Figure 4 shows the structural schematic diagram of the cleaning component provided by the embodiment of the present utility model;

[0019] Figure 5 shows the Figure 2 structural schematic diagram of the enlarged view at A in the provided by the embodiment of the present utility model.

[0020] Legend Explanation:

[0021] 1. Bottom plate; 2. Support plate; 3. Liquid storage barrel; 4. Lifting mechanism; 401. Second motor; 402. Lead screw; 403. Lifting frame; 404. Guide rod; 5. Cover plate; 6. Cleaning assembly; 601. First motor; 602. Driving rod; 603. Cleaning frame; 7. Ultraviolet spectrophotometer; 701. Placing frame; 702. Through rod; 703. Arc plate; 704. Spring; 8. Feed pipe; 9. Hose; 10. Horizontal pipe; 11. Liquid outlet pipe; 12. Valve. Specific embodiments

[0022] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0023] Refer to Figures 1 - 5 , the dispersive liquid-liquid microextraction-ultraviolet combined bisphenol F quantitative detection device provided in this embodiment includes a bottom plate 1, a support plate 2 is fixedly connected to one side of the bottom plate 1, a liquid storage barrel 3 is connected to the top of one side of the support plate 2, a lifting mechanism 4 is fixedly connected to the other side of the support plate 2, and an ultraviolet spectrophotometer 7 is fixedly connected to the upper surface of the bottom plate 1;

[0024] The cleaning assembly 6 includes a first motor 601 installed on the top of the liquid storage barrel 3, the output end of the first motor 601 is connected to a driving rod 602, and cleaning frames 603 are fixedly connected to both sides of the driving rod 602.

[0025] Among them, when the first motor 601 starts, it drives the driving rod 602 to rotate, and then the driving rod 602 rotates to drive the cleaning frame 603 to rotate. The cleaning frame 603 rotates to clean the inner wall of the liquid storage barrel 3, thereby improving the cleaning speed and thus the efficiency of the cleaning work.

[0026] Specifically, as shown in Figure 1 and Figure 3 , the lifting mechanism 4 includes a second motor 401 installed on the top of the other side of the support plate 2, the output end of the second motor 401 is connected to a lead screw 402, the bottom of the lead screw 402 is rotationally connected to the support plate 2 through a bearing seat, a lifting frame 403 is threadedly connected to the surface of the lead screw 402, and guide rods 404 are fixedly connected to both sides of the inner wall of the lifting frame 403. The two guide rods 404 are slidably connected to the support plate 2.

[0027] Among them, the second motor 401 starts to drive the lead screw 402 to rotate. The rotation of the lead screw 402 drives the lifting frame 403 to move vertically up and down. The vertical up and down movement of the lifting frame 403 drives the transverse tube 10 to move, thereby adjusting the height of the liquid outlet tube 11, so that the liquid outlet tube 11 can accurately drip liquid into the receiving container.

[0028] Specifically, as Figure 1 and Figure 2 shown, a feed pipe 8 is fixedly connected to the surface of the liquid storage barrel 3, and the cleaning frame 603 is in close contact with the inner wall of the liquid storage barrel 3.

[0029] Among them, a discharge pipe is arranged at the bottom of the liquid storage barrel 3, and clean sewage is discharged from the inside of the discharge pipe.

[0030] Specifically, as Figure 5 shown, a placement groove is opened on one side of the ultraviolet spectrophotometer 7. A placement frame 701 is slidably connected inside the placement groove. Through rods 702 are respectively penetrated through both sides of the placement frame 701. Arc-shaped plates 703 and baffles are respectively connected to both ends of the through rods 702. A spring 704 is arranged between the arc-shaped plate 703 and the placement frame 701, and the spring 704 is sleeved on the surface of the through rod 702.

[0031] Among them, under the action of the spring 704, the arc-shaped plate 703 is driven to clamp and fix the cuvette, adapting to cuvettes of different sizes.

[0032] Specifically, as Figure 1 and Figure 2 shown, a hose 9 is fixedly connected to the bottom of the liquid storage barrel 3. The bottom of the hose 9 is connected to a transverse tube 10. Both ends of the transverse tube 10 are connected to the lifting frame 403. A liquid outlet tube 11 is fixedly connected to the bottom of the transverse tube 10.

[0033] Specifically, as Figure 3 shown, valves 12 are arranged on the surfaces of the liquid outlet tube 11 and the hose 9.

[0034] Among them, the flow rates of the liquid outlet tube 11 and the hose 9 are controlled through the valves 12.

[0035] Specifically, as Figure 1 and Figure 2 shown, a cover plate 5 is slidably connected above the placement groove.

[0036] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution of the present invention and its inventive concept, makes equivalent substitutions or changes, and should be covered within the protection scope of the present invention.

Claims

1. A dispersed liquid-liquid microextraction-ultraviolet-coupled bisphenol F quantitative detection device, comprising a base plate (1), one side of the base plate (1) is fixedly connected to a support plate (2), the top of one side of the support plate (2) is connected to a liquid storage barrel (3), the other side of the support plate (2) is fixedly connected to a lifting mechanism (4), and the upper surface of the base plate (1) is fixedly connected to an ultraviolet spectrophotometer (7); The cleaning assembly (6) comprises a first motor (601) mounted on the top of the liquid storage barrel (3); the output end of the first motor (601) is connected to a driving rod (602); both sides of the driving rod (602) are fixedly connected to cleaning frames (603).

2. The dispersed liquid-liquid microextraction-ultraviolet coupled bisphenol F quantitative detection device according to claim 1, characterized in that: The lifting mechanism (4) comprises a second motor (401) mounted on the top of the other side of the support plate (2); the output end of the second motor (401) is connected to a screw rod (402); the bottom of the screw rod (402) is rotatably connected to the support plate (2) via a bearing seat; the surface of the screw rod (402) is threadedly connected to a lifting frame (403); guide rods (404) are fixedly connected to both sides of the inner wall of the lifting frame (403); and the two guide rods (404) are slidably connected to the support plate (2).

3. The dispersed liquid-liquid microextraction-ultraviolet coupled bisphenol F quantitative detection device according to claim 1, characterized in that: A feeding pipe (8) is fixedly connected to the surface of the liquid storage barrel (3), and the cleaning frame (603) is in close contact with the inner wall of the liquid storage barrel (3).

4. The dispersed liquid-liquid microextraction-ultraviolet coupled bisphenol F quantitative detection device according to claim 1, characterized in that: A placement groove is provided on one side of the ultraviolet spectrophotometer (7), a placement frame (701) is slidably connected to the interior of the placement groove, through rods (702) are provided on both sides of the placement frame (701), and the two ends of the through rod (702) are respectively connected to an arc plate (703) and a baffle, and a spring (704) is provided between the arc plate (703) and the placement frame (701), and the spring (704) is sleeved on the surface of the through rod (702).

5. The dispersed liquid-liquid microextraction-ultraviolet coupled bisphenol F quantitative detection device according to claim 1, characterized in that: The bottom of the liquid storage barrel (3) is fixedly connected to a hose (9), the bottom of the hose (9) is connected to a transverse tube (10), both ends of the transverse tube (10) are connected to a lifting frame (403), and the bottom of the transverse tube (10) is fixedly connected to a liquid outlet pipe (11).

6. The dispersed liquid-liquid microextraction-ultraviolet coupled bisphenol F quantitative detection device according to claim 5, characterized in that: Valves (12) are provided on the surfaces of the liquid outlet pipe (11) and the hose (9).

7. The dispersed liquid-liquid microextraction-ultraviolet coupled bisphenol F quantitative detection device according to claim 4, characterized in that: A cover plate (5) is slidably connected above the placement groove.

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