Full-automatic ultraviolet oil measuring device with self-cleaning mechanism and method

Abstract

The invention relates to the technical field of oil measuring devices, and particularly discloses a full-automatic ultraviolet oil measuring device with a self-cleaning mechanism and a method, the full-automatic ultraviolet oil measuring device comprises a supporting plate and a multi-way valve, the multi-way valve is fixedly connected to the supporting plate, the multi-way valve comprises a valve body, a communicating vessel and a plurality of connecting ports, the communicating vessel is fixedly connected to the valve body, and the communicating vessel is fixedly connected to the valve body. The plurality of connecting ports are uniformly distributed on the communicating vessel and are respectively provided with an injection assembly, a waste liquid assembly, a sample assembly, a detection assembly, a reagent bottle and an extraction assembly. The device can automatically carry out early-stage treatment on a water sample, can be automatically cleaned, and can enable the sample feeding to be more automatic and rapid.

Description

Technical Field

[0001] The invention relates to the technical field of oil measuring devices, and in particular to a full-automatic ultraviolet oil measuring device and method with a self-cleaning mechanism. Background Art

[0002] The UV oil measuring device is a high-tech device based on UV spectrophotometry, which is used to quickly and accurately detect the content of petroleum and animal and plant oils in water samples. Its working principle is to use the absorption characteristics of oil molecules under ultraviolet light of a specific wavelength, measure the change of light intensity through a photoelectric sensor and convert it into an electrical signal, thereby calculating the total content of oil. The device is widely used in environmental monitoring, petrochemical and other fields, and can detect the oil content in surface water, groundwater and seawater.

[0003] At present, the existing technology still has the following areas for improvement: the existing ultraviolet oil detection device requires manual preliminary treatment of water samples. Due to the long processing process and time consumption, high repetitiveness, manual operation can easily lead to reduced accuracy, resulting in a decrease in detection efficiency and accuracy. There are many instruments used in the preliminary treatment, and cleaning requires a lot of time, increasing labor costs. In addition, the reagents are in contact with the human body for a long time, which may have a negative impact on the environment and the health of the operators. Summary of the invention

[0004] In order to solve the above problems existing in the prior art, the present invention provides a fully automatic ultraviolet oil measuring device and method with a self-cleaning mechanism, which can automatically perform preliminary treatment of water samples, can automatically clean the device, and can make sample delivery more automatic and rapid.

[0005] The purpose of the present invention can be achieved through the following technical solutions: A fully automatic ultraviolet oil measuring device with a self-cleaning mechanism, comprising a support plate and a multi-way valve, wherein the multi-way valve is fixedly connected to the support plate, the multi-way valve comprises a valve body, a communicating vessel and a plurality of connecting ports, the communicating vessel is fixedly connected to the valve body, and a plurality of connecting ports are evenly distributed on the communicating vessel; The plurality of connection ports are respectively provided with an injection component, a waste liquid component, a sample component, a detection component, a reagent bottle and an extraction component.

[0006] Furthermore, the injection assembly includes an injection housing, a rotating shaft, a rotating screw and a liquid extraction housing, the injection housing is fixedly connected to the support plate, the rotating screw is rotatably connected to the inside of the injection housing, and a driven gear is sleeved on one end of the rotating screw; A driving gear is sleeved on the rotating shaft, and the driven gear is meshed with the driving gear. One end of the rotating shaft is rotatably connected to the inside of the injection housing, and a driving motor is fixedly arranged on the other end of the rotating shaft.

[0007] Furthermore, the driving motor is fixedly connected to the inside of the injection housing via a motor fixing block, the driving motor and the rotating shaft are connected via a coupling, and a sliding block is slidably provided on the rotating screw rod; A movable plate is slidably arranged inside the liquid collection housing, a push rod is fixedly arranged on the upper end of the movable plate, and the push rod is fixedly connected to the sliding block through a connecting rod. The liquid collection housing and the rotating screw are parallel, and the lower end of the liquid collection housing is connected to the connecting port.

[0008] Furthermore, the waste liquid component includes a waste liquid shell and a waste liquid cover, the waste liquid shell is provided with a waste liquid tank inside, the lower end of the waste liquid tank is provided with an output port, the waste liquid cover is fixedly connected to the upper end of the waste liquid shell, the waste liquid cover is connected to the connecting port, and the output port is connected to the waste liquid barrel.

[0009] Furthermore, the sample assembly includes a driving pulley, a driven pulley, a movable housing, a plurality of test tube placement members and a plurality of rotating crawlers, and each of the test tube placement members is slidably connected to the inside of the corresponding rotating crawler through four sliding tracks; A connecting track is rotatably arranged on both sides of each rotating track, and every two adjacent connecting tracks are connected to each other. Multiple rotating tracks and multiple connecting tracks are sleeved on the outside of the driving pulley and the driven pulley, and a sample test tube is arranged inside each test tube placement piece.

[0010] Furthermore, the driving pulley is sleeved on the driving shaft, a mobile motor is fixedly provided at the lower end of the driving shaft, the driven pulley is sleeved on the driven shaft, the mobile motor is fixedly connected to the inside of the mobile housing through a motor connecting block, the driven shaft is rotatably connected to the inside of the mobile housing, and the mobile housing is located below the plurality of rotating crawlers; A lower platform is fixedly provided at the middle position of the upper end of the movable shell, a scissor fork is slidably provided above the lower platform, an upper platform is slidably provided above the scissor fork, a telescopic cylinder is rotatably provided on the upper platform, the other end of the telescopic cylinder is rotatably provided on the scissor fork, an extraction tube is fixedly provided on the support plate, the extraction tube and the upper platform are located on the same vertical line, and the extraction tube is communicated with the connecting port.

[0011] Furthermore, the extraction assembly includes an extraction shell, a rotating rod, an extraction cover and a separation shell, the extraction cover is fixedly connected to the upper end of the extraction shell, the extraction cover is communicated with the connecting port, a rotating motor is fixedly arranged above the extraction cover, the upper end of the rotating rod is fixedly connected to the rotating motor, a plurality of stirring rods are fixedly arranged at the lower end of the rotating rod, a water supply pipeline is fixedly arranged at the lower end of the extraction shell, and a water pump and a switch valve are fixedly arranged on the water supply pipeline.

[0012] Furthermore, a separation cover is fixedly provided at the upper end of the separation shell, a suction tube is fixedly provided on the separation cover, the separation cover is connected with the bottom of the extraction shell, and the suction tube is connected with the connection port.

[0013] Furthermore, the detection component includes an ultraviolet spectrophotometer and a magnesium silicate adsorption column, wherein the magnesium silicate adsorption column is located above the ultraviolet spectrophotometer and is connected to the connecting port.

[0014] A method for using a fully automatic ultraviolet oil measuring device with a self-cleaning mechanism comprises the following steps: S1: Place multiple water samples in sample test tubes respectively, start the mobile motor, the driving shaft drives the driving pulley to rotate, the rotating track and the connecting track rotate, drive the driven pulley to rotate, and the driven pulley drives the driven shaft to rotate; When the sample test tube reaches below the extraction tube, the moving motor is stopped, and the telescopic cylinder is started to extend the scissor fork, drive the upper platform to move up, and the upper platform pushes the test tube placement piece to move up along the sliding track, so that the extraction tube is located inside the sample test tube; S2: Start the driving motor, the rotating shaft drives the driving gear to rotate, the driving gear drives the driven gear to rotate, drives the rotating screw to rotate, drives the sliding block to move upward, the connecting rod drives the push rod to move upward, the push rod drives the moving plate to move upward, and the liquid collection housing absorbs the water sample in the sample test tube through the multi-way valve and the extraction tube; S3: Adjust the multi-way valve, start the drive motor, the rotating shaft drives the driving gear to rotate, the driving gear drives the driven gear to rotate, drives the rotating screw to rotate, drives the sliding block to move downward, the connecting rod drives the push rod to move downward, the push rod drives the moving plate to move downward, and the water sample is input into the extraction shell. After completion, adjust the multi-way valve to input the extraction reagent in the reagent bottle into the extraction shell; S4: Start the rotating motor, the rotating rod drives the stirring rod to rotate, and after the sample in the extraction shell and the extraction reagent are fully mixed, they are statically layered. The extraction reagent has a smaller specific gravity and will float on the upper layer of the water; S5: Open the switch valve and the water pump to discharge the stratified water at the bottom of the extraction shell, and then close the switch valve and the water pump; S6: All the liquid in the extraction shell is moved into the separation shell for separation, the injection assembly is started, and the upper layer of the extraction liquid in the extraction shell is extracted into the liquid extraction shell through the suction tube; S7: inputting the extract into a magnesium silicate adsorption column through a multi-way valve, and then inputting the extract into an ultraviolet spectrophotometer through the magnesium silicate adsorption column to detect the absorbance of the water sample; S8: After completing one test, start the mobile motor, the active shaft drives the active pulley to rotate, the rotating track and the connecting track rotate, drive the driven pulley to rotate, the driven pulley drives the driven shaft to rotate, and move the next water sample to be tested to the bottom of the extraction tube. After the injection component absorbs part of the water sample, it outputs it to the waste liquid tank, and the waste liquid is removed through the output port to rinse the injection component.

[0015] The beneficial effects of the present invention are: (1) By providing the injection assembly, the technical effect that can be achieved is that the injection housing is fixedly connected to the support plate, the rotating screw is rotatably connected to the inside of the injection housing, a driven gear is sleeved on one end of the rotating screw, a driving gear is sleeved on the rotating shaft, the driven gear and the driving gear are meshed, one end of the rotating shaft is rotatably connected to the inside of the injection housing, and the other end of the rotating shaft is fixedly provided with a driving motor; Start the driving motor, the rotating shaft drives the active gear to rotate, the active gear drives the driven gear to rotate, drives the rotating screw to rotate, drives the sliding block to move upward, the connecting rod drives the push rod to move upward, the push rod drives the moving plate to move upward, the liquid collection housing absorbs the water sample in the sample test tube through the multi-way valve and the extraction tube, the injection component can automatically perform preliminary processing of the water sample, and automatically transport the water sample to each link without manual operation, thereby reducing damage to the human body and labor costs, and making the extraction of the water sample more accurate.

[0016] (2) By providing the waste liquid assembly and the multi-way valve, the technical effect that can be achieved is that a waste liquid tank is provided inside the waste liquid housing, an output port is provided at the lower end of the waste liquid tank, a waste liquid cover is fixedly connected to the upper end of the waste liquid housing, the waste liquid cover is connected to the connection port, the output port is connected to the waste liquid bucket, the communicating vessel is fixedly connected to the valve body, and a plurality of connection ports are evenly distributed on the communicating vessel; After the injection component absorbs part of the water sample, it is output to the waste liquid tank. The waste liquid is removed through the output port to rinse the injection component. The waste liquid component and the multi-way valve can automatically clean the device so that there will be no contamination between water samples, ensuring the overall efficient operation and extending the service life of the device.

[0017] (3) By setting the sample assembly, the technical effect that can be achieved is that each test tube placement member is slidably connected to the inside of the corresponding rotating crawler through four sliding tracks, a connecting crawler is rotatably arranged on both sides of each rotating crawler, every two adjacent connecting crawlers are connected, and multiple rotating crawlers and multiple connecting crawlers are connected to form a ring structure. Multiple rotating crawlers and multiple connecting crawlers are sleeved on the outside of the driving pulley and the driven pulley, and a sample test tube is arranged inside each test tube placement member; Place multiple water samples in each sample test tube, start the moving motor, the driving shaft drives the driving pulley to rotate, the rotating track and the connecting track rotate, drive the driven pulley to rotate, and the driven pulley drives the driven shaft to rotate. When the sample test tube reaches under the extraction tube, stop the moving motor, start the telescopic cylinder, drive the scissor fork to extend, drive the upper platform to move up, and the upper platform pushes the test tube placement piece to move up along the sliding track, so that the extraction tube is located inside the sample test tube. The sample assembly can make sample delivery more automatic and faster, without manual sample delivery, thereby improving experimental efficiency and meeting the diverse needs of large laboratories for sample transmission. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to facilitate understanding by those skilled in the art, the present invention is further described below with reference to the accompanying drawings.

[0019] Figure 1 It is a front view of the present invention; Figure 2 It is a front cross-sectional view of the present invention; Figure 3 It is a front cross-sectional view of the injection assembly in the present invention; Figure 4 is a front cross-sectional view of the waste liquid component of the present invention; Figure 5 It is a front cross-sectional view of the extraction shell of the present invention; Figure 6 It is a front cross-sectional view of the separation shell in the present invention; Figure 7 It is a right side view of the multi-way valve in the present invention; Figure 8 is a front cross-sectional view of a sample assembly of the present invention; Fig. 9 for Figure 8 A partial enlarged view of middle A; Fig.10 for Figure 8 A partial enlarged view of B in the middle; Fig.11 A top view of the rotating crawler, the test tube placement member and the connecting crawler in the present invention; Description of main component symbols: In the figure: 1, injection assembly; 11, driving motor; 12, injection housing; 13, coupling; 14, rotating shaft; 15, driving gear; 16, driven gear; 17, sliding block; 18, moving plate; 19, liquid collection housing; 110, pushing rod; 111, connecting rod; 112, rotating screw rod; 113, motor fixing block; 2. Waste liquid assembly; 21. Waste liquid housing; 22. Output port; 23. Waste liquid tank; 24. Waste liquid cover; 3. Sample assembly; 31. Mobile housing; 32. Motor connection block; 33. Mobile motor; 34. Driving shaft; 35. Driving pulley; 36. Driven pulley; 37. Driven shaft; 38. Extraction tube; 39. Test tube placement piece; 310. Upper platform; 311. Telescopic cylinder; 312. Lower platform; 313. Rotating crawler; 314. Scissor fork; 315. Connecting crawler; 316. Sample test tube; 317. Sliding track; 4. Extraction assembly; 41. Extraction shell; 42. Switch valve; 43. Water pipeline; 44. Water pump; 45. Stirring rod; 46. Rotating rod; 47. Extraction cover; 48. Rotating motor; 49. Separation cover; 410. Suction tube; 411. Separation shell; 5. Detection component; 51. Ultraviolet spectrophotometer; 52. Magnesium silicate adsorption column; 6. Multi-way valve; 61. Valve body; 62. Connecting vessel; 63. Connecting port; 7. Support plate; 8. Reagent bottles. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application; obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application without making creative work are within the scope of protection of the present application.

[0021] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present application. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0022] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "set / connected", "connected", etc. should be understood in a broad sense. For example, "connected" 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 indirectly connected 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 this application can be understood according to specific circumstances.

[0023] Reference Figures 1 to 11 , is a fully automatic ultraviolet oil measuring device with a self-cleaning mechanism disclosed in the present invention, including a support plate 7 and a multi-way valve 6, the multi-way valve 6 is fixedly connected to the support plate 7, the multi-way valve 6 includes a valve body 61, a communicating vessel 62 and seven connecting ports 63, the communicating vessel 62 is fixedly connected to the valve body 61, and the seven connecting ports 63 are evenly distributed on the communicating vessel 62.

[0024] The plurality of connection ports 63 are respectively provided with an injection component 1 , a waste liquid component 2 , a sample component 3 , a detection component 5 , a reagent bottle 8 and an extraction component 4 .

[0025] The injection assembly 1 includes an injection housing 12, a rotating shaft 14, a rotating screw 112 and a liquid extraction housing 19. The injection housing 12 is fixedly connected to the support plate 7, the rotating screw 112 is rotatably connected to the inside of the injection housing 12, and a driven gear 16 is sleeved on one end of the rotating screw 112.

[0026] A driving gear 15 is sleeved on the rotating shaft 14 , and a driven gear 16 is meshed with the driving gear 15 . One end of the rotating shaft 14 is rotatably connected to the inside of the injection housing 12 , and a driving motor 11 is fixedly disposed on the other end of the rotating shaft 14 .

[0027] The driving motor 11 is fixedly connected to the inside of the injection housing 12 via a motor fixing block 113 . The driving motor 11 and the rotating shaft 14 are connected via a coupling 13 . A sliding block 17 is slidably provided on the rotating screw 112 .

[0028] A movable plate 18 is slidably disposed inside the liquid collection housing 19, and a push rod 110 is fixedly disposed on the upper end of the movable plate 18. The push rod 110 is fixedly connected to the sliding block 17 through a connecting rod 111. The liquid collection housing 19 and the rotating screw 112 are parallel, and the lower end of the liquid collection housing 19 is connected to the connecting port 63.

[0029] The injection assembly 1 can automatically perform preliminary processing on water samples and automatically transport water samples to various links without manual operation, thereby reducing damage to the human body, reducing labor costs, and making the accuracy of the water sample extraction higher.

[0030] The waste liquid assembly 2 includes a waste liquid shell 21 and a waste liquid cover 24. A waste liquid tank 23 is provided inside the waste liquid shell 21, and an output port 22 is provided at the lower end of the waste liquid tank 23. The waste liquid cover 24 is fixedly connected to the upper end of the waste liquid shell 21. The waste liquid cover 24 is connected to the connecting port 63, and the output port 22 is connected to the waste liquid barrel.

[0031] The waste liquid component 2 and the multi-way valve 6 can automatically clean the device so that no contamination will occur between water samples, thereby ensuring the overall efficient operation and extending the service life of the device.

[0032] The sample assembly 3 includes a driving pulley 35 , a driven pulley 36 , a movable housing 31 , a plurality of test tube placement members 39 and a plurality of rotating tracks 313 . Each test tube placement member 39 is slidably connected to the inside of a corresponding rotating track 313 via four sliding rails 317 .

[0033] A connecting track 315 is rotatably provided on both sides of each rotating track 313, and every two adjacent connecting tracks 315 are connected to each other. Multiple rotating tracks 313 and multiple connecting tracks 315 are connected to form an annular structure. Multiple rotating tracks 313 and multiple connecting tracks 315 are sleeved on the outside of the driving pulley 35 and the driven pulley 36, and a sample test tube 316 is provided inside each test tube placement piece 39.

[0034] The driving pulley 35 is sleeved on the driving shaft 34, and a mobile motor 33 is fixedly provided on the lower end of the driving shaft 34. The driven pulley 36 is sleeved on the driven shaft 37. The mobile motor 33 is fixedly connected to the inside of the mobile shell 31 through the motor connecting block 32. The driven shaft 37 is rotatably connected to the inside of the mobile shell 31. The mobile shell 31 is located below the multiple rotating tracks 313.

[0035] A lower platform 312 is fixedly provided at the middle position of the upper end of the movable shell 31, a scissor fork 314 is slidably provided above the lower platform 312, an upper platform 310 is slidably provided above the scissor fork 314, a telescopic cylinder 311 is rotatably provided on the upper platform 310, the other end of the telescopic cylinder 311 is rotatably provided on the scissor fork 314, an extraction pipe 38 is fixedly provided on the support plate 7, the extraction pipe 38 and the upper platform 310 are located on the same vertical line, and the extraction pipe 38 is communicated with the connecting port 63.

[0036] The sample assembly 3 can make sample delivery more automatic and rapid, eliminating the need for manual sample delivery, thereby improving experimental efficiency and meeting the diverse needs of large laboratories for sample transmission.

[0037] The extraction assembly 4 includes an extraction shell 41, a rotating rod 46, an extraction cover 47 and a separation shell 411. The extraction cover 47 is fixedly connected to the upper end of the extraction shell 41, and the extraction cover 47 is communicated with the connecting port 63. A rotating motor 48 is fixedly arranged above the extraction cover 47. The upper end of the rotating rod 46 is fixedly connected to the rotating motor 48. Four stirring rods 45 are fixedly arranged at the lower end of the rotating rod 46. A water supply pipe 43 is fixedly arranged at the lower end of the extraction shell 41, and a water pump 44 and a switch valve 42 are fixedly arranged on the water supply pipe 43.

[0038] A separation cover 49 is fixedly provided at the upper end of the separation shell 411, and a suction pipe 410 is fixedly provided on the separation cover 49. The separation cover 49 is connected to the bottom of the extraction shell 41 through a separation pipeline. A control valve and a control pump are provided on the separation pipeline. The suction pipe 410 is connected to the connecting port 63.

[0039] The detection component 5 includes an ultraviolet spectrophotometer 51 and a magnesium silicate adsorption column 52 . The magnesium silicate adsorption column 52 is located above the ultraviolet spectrophotometer 51 , and the magnesium silicate adsorption column 52 is connected to the connection port 63 .

[0040] A method for using a fully automatic ultraviolet oil measuring device with a self-cleaning mechanism comprises the following steps: S1: Place multiple water samples in sample test tubes 316 respectively, start the mobile motor 33, the driving shaft 34 drives the driving pulley 35 to rotate, the rotating track 313 and the connecting track 315 rotate, drive the driven pulley 36 to rotate, and the driven pulley 36 drives the driven shaft 37 to rotate; When the sample test tube 316 reaches below the extraction tube 38, the moving motor 33 is stopped, and the telescopic cylinder 311 is started to extend the scissor fork 314, drive the upper platform 310 to move upward, and the upper platform 310 pushes the test tube placement member 39 to move upward along the sliding track 317, so that the extraction tube 38 is located inside the sample test tube 316; S2: Start the driving motor 11, the rotating shaft 14 drives the driving gear 15 to rotate, the driving gear 15 drives the driven gear 16 to rotate, drives the rotating screw 112 to rotate, drives the sliding block 17 to move upward, the connecting rod 111 drives the pushing rod 110 to move upward, the pushing rod 110 drives the moving plate 18 to move upward, and the liquid collection housing 19 absorbs the water sample in the sample test tube 316 through the multi-way valve 6 and the extraction tube 38; S3: Adjust the multi-way valve 6, start the driving motor 11, the rotating shaft 14 drives the driving gear 15 to rotate, the driving gear 15 drives the driven gear 16 to rotate, drives the rotating screw 112 to rotate, drives the sliding block 17 to move downward, the connecting rod 111 drives the pushing rod 110 to move downward, the pushing rod 110 drives the moving plate 18 to move downward, and the water sample is input into the extraction housing 41. After completion, adjust the multi-way valve 6 to input the extraction reagent in the reagent bottle 8 into the extraction housing 41; S4: Start the rotating motor 48, the rotating rod 46 drives the stirring rod 45 to rotate, and after the sample in the extraction housing 41 and the extraction reagent are fully mixed, they are statically layered. The extraction reagent has a smaller specific gravity and will float on the upper layer of the water; S5: Open the switch valve 42 and the water pump 44 to discharge the stratified water at the bottom of the extraction housing 41, and then close the switch valve 42 and the water pump 44; S6: All the liquid in the extraction shell 41 is moved into the separation shell 411 for separation, the injection assembly 1 is started, and the upper layer of the extraction liquid in the extraction shell 41 is extracted into the liquid extraction shell 19 through the suction tube 410; S7: The extract is input into the magnesium silicate adsorption column 52 through the multi-way valve 6, and then input into the ultraviolet spectrophotometer 51 through the magnesium silicate adsorption column 52 to detect the absorbance of the water sample; S8: After completing one test, start the moving motor 33, the driving shaft 34 drives the driving pulley 35 to rotate, the rotating track 313 and the connecting track 315 rotate, driving the driven pulley 36 to rotate, and the driven pulley 36 drives the driven shaft 37 to rotate, and the next water sample to be tested is moved to the bottom of the extraction tube 38. After the injection component 1 absorbs part of the water sample, it is output to the waste liquid tank 23, and the waste liquid is removed through the output port 22 to rinse the injection component 1.

[0041] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Although the present invention has been disclosed as a preferred embodiment as above, it is not used to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still fall within the scope of the technical solution of the present invention.

Claims

1. A fully automatic ultraviolet oil measuring device with a self-cleaning mechanism, characterized in that: The multi-way valve (6) comprises a support plate (7) and a multi-way valve (6), wherein the multi-way valve (6) is fixedly connected to the support plate (7), the multi-way valve (6) comprises a valve body (61), a communicating vessel (62) and a plurality of connecting ports (63), the communicating vessel (62) is fixedly connected to the valve body (61), and the plurality of connecting ports (63) are evenly distributed on the communicating vessel (62); The plurality of connection ports (63) are respectively provided with an injection component (1), a waste liquid component (2), a sample component (3), a detection component (5), a reagent bottle (8) and an extraction component (4).

2. The fully automatic ultraviolet oil measuring device with a self-cleaning mechanism according to claim 1 is characterized in that: The injection assembly (1) comprises an injection housing (12), a rotating shaft (14), a rotating screw (112) and a liquid extraction housing (19); the injection housing (12) is fixedly connected to the support plate (7); the rotating screw (112) is rotatably connected to the interior of the injection housing (12); and a driven gear (16) is sleeved on one end of the rotating screw (112); A driving gear (15) is sleeved on the rotating shaft (14), and the driven gear (16) is meshed with the driving gear (15). One end of the rotating shaft (14) is rotatably connected to the inside of the injection housing (12), and the other end of the rotating shaft (14) is fixedly provided with a driving motor (11).

3. The fully automatic ultraviolet oil measuring device with a self-cleaning mechanism according to claim 2 is characterized in that: The driving motor (11) is fixedly connected to the inside of the injection housing (12) via a motor fixing block (113); the driving motor (11) and the rotating shaft (14) are connected via a coupling (13); and a sliding block (17) is slidably arranged on the rotating screw (112); A movable plate (18) is slidably arranged inside the liquid collection housing (19), a push rod (110) is fixedly arranged on the upper end of the movable plate (18), and the push rod (110) is fixedly connected to the sliding block (17) via a connecting rod (111). The liquid collection housing (19) and the rotating screw (112) are parallel, and the lower end of the liquid collection housing (19) is connected to the connecting port (63).

4. The fully automatic ultraviolet oil measuring device with a self-cleaning mechanism according to claim 1 is characterized in that: The waste liquid assembly (2) comprises a waste liquid housing (21) and a waste liquid cover (24); a waste liquid tank (23) is provided inside the waste liquid housing (21); an output port (22) is provided at the lower end of the waste liquid tank (23); the waste liquid cover (24) is fixedly connected to the upper end of the waste liquid housing (21); the waste liquid cover (24) is connected to the connecting port (63); and the output port (22) is connected to the waste liquid barrel.

5. The fully automatic ultraviolet oil measuring device with a self-cleaning mechanism according to claim 1 is characterized in that: The sample assembly (3) comprises a driving pulley (35), a driven pulley (36), a movable housing (31), a plurality of test tube placement members (39) and a plurality of rotating crawler belts (313), each of the test tube placement members (39) being slidably connected to the inside of the corresponding rotating crawler belt (313) via four sliding rails (317); A connecting track (315) is rotatably arranged on both sides of each rotating track (313), and every two adjacent connecting tracks (315) are connected to each other. A plurality of rotating tracks (313) and a plurality of connecting tracks (315) are sleeved on the outside of the driving pulley (35) and the driven pulley (36), and a sample test tube (316) is arranged inside each test tube placement member (39).

6. The fully automatic ultraviolet oil measuring device with a self-cleaning mechanism according to claim 5, characterized in that: The driving pulley (35) is sleeved on the driving shaft (34), a mobile motor (33) is fixedly provided at the lower end of the driving shaft (34), the driven pulley (36) is sleeved on the driven shaft (37), the mobile motor (33) is fixedly connected to the inside of the mobile housing (31) through a motor connecting block (32), the driven shaft (37) is rotatably connected to the inside of the mobile housing (31), and the mobile housing (31) is located below the plurality of rotating crawlers (313); A lower platform (312) is fixedly arranged at the middle position of the upper end of the movable shell (31), a scissor fork (314) is slidably arranged above the lower platform (312), an upper platform (310) is slidably arranged above the scissor fork (314), a telescopic cylinder (311) is rotatably arranged on the upper platform (310), the other end of the telescopic cylinder (311) is rotatably arranged on the scissor fork (314), an extraction pipe (38) is fixedly arranged on the support plate (7), the extraction pipe (38) and the upper platform (310) are located on the same vertical line, and the extraction pipe (38) is connected to the connecting port (63).

7. The fully automatic ultraviolet oil measuring device with a self-cleaning mechanism according to claim 1 is characterized in that: The extraction assembly (4) comprises an extraction shell (41), a rotating rod (46), an extraction cover (47) and a separation shell (411); the extraction cover (47) is fixedly connected to the upper end of the extraction shell (41); the extraction cover (47) is communicated with the connection port (63); a rotating motor (48) is fixedly arranged above the extraction cover (47); the upper end of the rotating rod (46) is fixedly connected to the rotating motor (48); a plurality of stirring rods (45) are fixedly arranged at the lower end of the rotating rod (46); a water delivery pipeline (43) is fixedly arranged at the lower end of the extraction shell (41); a water pump (44) and a switch valve (42) are fixedly arranged on the water delivery pipeline (43).

8. The fully automatic ultraviolet oil measuring device with a self-cleaning mechanism according to claim 7 is characterized in that: A separation cover (49) is fixedly provided at the upper end of the separation shell (411), a suction tube (410) is fixedly provided on the separation cover (49), the separation cover (49) is connected to the bottom of the extraction shell (41), and the suction tube (410) is connected to the connection port (63).

9. The fully automatic ultraviolet oil measuring device with a self-cleaning mechanism according to claim 1, characterized in that: The detection component (5) comprises an ultraviolet spectrophotometer (51) and a magnesium silicate adsorption column (52), wherein the magnesium silicate adsorption column (52) is located above the ultraviolet spectrophotometer (51), and the magnesium silicate adsorption column (52) is connected to the connection port (63).

10. A method for using a fully automatic ultraviolet oil measuring device with a self-cleaning mechanism, applied to the ultraviolet oil measuring device according to any one of claims 1 to 9, characterized in that: Includes steps: S1: placing a plurality of water samples in respective sample test tubes (316), starting the moving motor (33), the driving shaft (34) driving the driving pulley (35) to rotate, the rotating crawler belt (313) and the connecting crawler belt (315) to rotate, driving the driven pulley (36) to rotate, and the driven pulley (36) driving the driven shaft (37) to rotate; When the sample test tube (316) reaches below the extraction tube (38), the moving motor (33) is stopped, and the telescopic cylinder (311) is started to drive the scissor fork (314) to extend, drive the upper platform (310) to move upward, and the upper platform (310) pushes the test tube placement member (39) to move upward along the sliding track (317), so that the extraction tube (38) is located inside the sample test tube (316); S2: The driving motor (11) is started, the rotating shaft (14) drives the driving gear (15) to rotate, the driving gear (15) drives the driven gear (16) to rotate, drives the rotating screw (112) to rotate, drives the sliding block (17) to move upward, the connecting rod (111) drives the pushing rod (110) to move upward, the pushing rod (110) drives the moving plate (18) to move upward, and the liquid collection housing (19) absorbs the water sample in the sample test tube (316) through the multi-way valve (6) and the extraction tube (38); S3: adjusting the multi-way valve (6), starting the driving motor (11), the rotating shaft (14) drives the driving gear (15) to rotate, the driving gear (15) drives the driven gear (16) to rotate, drives the rotating screw (112) to rotate, drives the sliding block (17) to move downward, the connecting rod (111) drives the pushing rod (110) to move downward, the pushing rod (110) drives the moving plate (18) to move downward, and the water sample is input into the extraction housing (41). After completion, the multi-way valve (6) is adjusted, and the extraction reagent in the reagent bottle (8) is input into the extraction housing (41); S4: starting the rotating motor (48), the rotating rod (46) drives the stirring rod (45) to rotate, and after the sample in the extraction housing (41) and the extraction reagent are fully mixed, the sample is statically separated and the extraction reagent has a smaller specific gravity and floats on the upper layer of the water; S5: Open the switch valve (42) and the water pump (44), discharge the stratified water at the bottom of the extraction housing (41), and then close the switch valve (42) and the water pump (44); S6: All the liquid in the extraction shell (41) is moved into the separation shell (411) for separation, the injection assembly (1) is started, and the upper layer of the extraction liquid in the extraction shell (41) is extracted into the liquid extraction shell (19) through the suction tube (410); S7: The extract is input into the magnesium silicate adsorption column (52) through the multi-way valve (6), and then input into the ultraviolet spectrophotometer (51) through the magnesium silicate adsorption column (52) to detect the absorbance of the water sample; S8: After completing one test, the moving motor (33) is started, the driving shaft (34) drives the driving pulley (35) to rotate, the rotating track (313) and the connecting track (315) rotate, driving the driven pulley (36) to rotate, and the driven pulley (36) drives the driven shaft (37) to rotate, and the next water sample to be tested is moved to the bottom of the extraction tube (38). After the injection component (1) absorbs part of the water sample, it outputs it to the waste liquid tank (23), and the waste liquid is removed through the output port (22) to rinse the injection component (1).

Images