Visual titrator

Abstract

The utility model relates to the technical field of titration tests, and discloses a visual titrator which comprises a box body, an alarm lamp is fixedly connected to the top of the box body, a touch screen is mounted on the left side of the box body, an opening door is rotatably connected to the left side of the box body, an area light source is fixedly connected to the inner wall of the box body, and a fixing plate is fixedly connected to the inner wall of the box body. A fixing plate is arranged in the box body, an injection pump is fixedly connected to the rear part of the fixing plate, a burette is fixedly connected to the front part of the fixing plate, an electromagnetic valve is arranged at the rear part of the fixing plate, a focusing mechanism is arranged on the bottom wall in the box body, and a micro-vibration mechanism is also arranged on the bottom wall in the box body. According to the utility model, through the structures such as the sliding rod and the U-shaped groove, flexible focusing of the observation lens is realized, and no matter how the volume of an observed solution and the shape of a container are, flexible focusing can ensure that clear images can be obtained, details such as color change can be more accurately captured, a titration end point can be more accurately judged, and judgment errors caused by image blurring are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to titration test technical field especially relates to visual titrator. BACKGROUND

[0002] In the field of chemical analysis and laboratory testing, titration analysis has always been an important and widely used quantitative analysis method. Traditional titration operation mainly relies on manual observation of color change of indicator or measurement of potential change through electrode to determine titration endpoint. With the progress of science and technology, visual titrator emerges as the times require, which combines advanced image acquisition technology and intelligent algorithm, can capture color change in titration process in real time and accurately, and through complex image processing and analysis, more accurately determines titration endpoint, providing more reliable and efficient tool for chemical analysis and experimental research.

[0003] In the prior art, the measuring cup is mostly fixed in specification, and the observation lens does not need to be focused during observation. When facing different solution volumes and container shapes, the lens cannot be accurately focused due to lack of flexible focusing ability, resulting in blurred image, which makes it difficult to distinguish subtle color changes, seriously affecting the capture of color change details, and the determination of titration endpoint is full of uncertainty. In order to solve this problem, a visual titrator is proposed to solve the above problems. SUMMARY

[0004] In order to make up for the above shortcomings, the utility model provides visual titrator, aims at improving the problem of "when facing different solution volumes and container shapes, the lens cannot be accurately focused due to lack of flexible focusing ability, resulting in blurred image" in the prior art.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: visual titrator, including box, the top of the box is fixedly connected with alarm lamp, the left side of the box is installed with touch screen, the left side of the box is rotatably connected with opening door, the inner wall of the box is fixedly connected with area light source, the inner wall of the box is fixedly connected with fixed plate, the rear part of the fixed plate is fixedly connected with injection pump, the front part of the fixed plate is fixedly connected with titration tube, the rear part of the fixed plate is provided with electromagnetic valve, the bottom wall in the box is provided with focusing mechanism, the bottom wall in the box is also provided with micro vibration mechanism, the focusing mechanism is composed of mounting assembly and sliding assembly, the sliding assembly includes sliding groove block, the inner wall of the sliding groove block is slidably connected with sliding rod, the top of the sliding rod is fixedly connected with U type groove.

[0006] As the further description of the above technical solution: the installation assembly includes a body, the front of the body is fixedly connected with a rotating rod, the right side of the body is provided with an observation lens, and the surface of the sliding rod is fixedly connected with a push rod.

[0007] As the further description of the above technical solution: the bottom of the sliding groove block is fixedly connected with the bottom wall in the interior of the box body.

[0008] As the further description of the above technical solution: the front of the body is rotationally connected with the inner wall of the U-shaped groove, the surface of the rotating rod is slidingly connected with the front of the box body, and the surface of the push rod is slidingly connected with the front of the box body.

[0009] As the further description of the above technical solution: the micro-vibration mechanism includes a magnetic stirrer, the front of the magnetic stirrer is provided with a vibration motor, and the top of the magnetic stirrer is fixedly connected with a fixing ring.

[0010] As the further description of the above technical solution: the micro-vibration mechanism further includes a cup placing disc, and the bottom of the cup placing disc is hingedly connected with a hinge shaft.

[0011] As the further description of the above technical solution: the bottom of the magnetic stirrer is fixedly connected with the bottom wall in the interior of the box body.

[0012] As the further description of the above technical solution: the bottom of the cup placing disc is connected with the top of the fixing ring through a spring, and the bottom of the hinge shaft is fixedly connected with the inner wall of the magnetic stirrer.

[0013] The utility model has the advantages of:

[0014] 1. In the utility model, through the cooperation of the sliding rod, the push rod and the U-shaped groove, the observation lens can be flexibly focused. No matter the volume of the observed solution or the shape of the container, flexible focusing can ensure clear images, more accurate capture of details such as color changes, more accurate determination of the titration end point, reduction of errors caused by image blurring and improvement of the accuracy of analysis results.

[0015] 2. In the utility model, through the cooperation of the vibration motor, the fixing ring and the cup placing disc, the measuring cup is subjected to micro-amplitude vibration during titration, which helps the droplets to be dispersed in the solution more quickly instead of gathering on the surface, thereby improving the reaction rate and titration accuracy. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole structure schematic view of the visual titration instrument in the utility model;

[0017] Figure 2 It is a whole structure half cut view of the visual titration instrument in the utility model;

[0018] Figure 3 It is the U-shaped groove structure schematic view of visual titrator in the utility model,

[0019] Figure 4 It is the magnetic stirrer structure schematic view of visual titrator in the utility model,

[0020] Figure 5 It is the Figure 4 Structure schematic view in A place.

[0021] Legend:

[0022] 1, box;2, alarm lamp;3, touch screen;4, open door;5, face light source;6, fixed plate;7, syringe pump;8, titration tube;9, electromagnetic valve;10, focusing mechanism;101, sliding groove block;102, sliding rod;103, push rod;104, U-shaped groove;105, machine body;106, rotating rod;107, observation lens;11, micro vibration mechanism;111, magnetic stirrer;112, vibration motor;113, fixed ring;114, cup placing disc;115, hinge shaft. Specific implementation

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] Please refer to Figure 1 Figure 2 An embodiment provided by the utility model: visual titrator, including box 1, the box 1 is rectangular, metal, its rear portion is provided with an access hole, the top of the box 1 is fixedly connected with alarm lamp 2, the alarm lamp 2 light rises, prompts operator titration to complete, the left side of the box 1 is installed with touch screen 3, the touch screen 3 is prior art, will not be too much described in the following, the left side of the box 1 is rotatably connected with open door 4, the open door 4 is set in the place cup, the inner wall of the box 1 is fixedly connected with face light source 5, after the face light source 5 is opened, the light illumination condition is satisfied, it is convenient for observation personnel to observe, the inner wall of the box 1 is fixedly connected with fixed plate 6, the fixed plate 6 is the inside baffle of the box 1, the rear portion of the fixed plate 6 is fixedly connected with syringe pump 7, the front portion of the fixed plate 6 is fixedly connected with titration tube 8, the rear portion of the fixed plate 6 is provided with electromagnetic valve 9, the syringe pump 7, titration tube 8 and electromagnetic valve 9 are all prior art features, the bottom wall in the box 1 is provided with focusing mechanism 10, the bottom wall in the box 1 is also provided with micro vibration mechanism 11.

[0025] ​Please refer to Figure 1 - Figure 3 The focusing mechanism 10 is composed of a mounting assembly and a sliding assembly, the sliding assembly includes a sliding groove block 101, a rectangular notch is formed in the front part of the sliding groove block 101, a sliding rod 102 is slidingly connected to the inner wall of the sliding groove block 101, a push rod 103 drives the sliding rod 102 to slide along the inner wall of the sliding groove block 101, a U-shaped groove 104 is fixedly connected to the top of the sliding rod 102, the sliding rod 102 drives the U-shaped groove 104 to move horizontally, the bottom of the sliding groove block 101 is fixedly connected to the bottom wall inside the box body 1

[0026] Please refer to Figure 1 - Figure 3 The mounting assembly includes a machine body 105, a rotating rod 106 is fixedly connected to the front part of the machine body 105, an observation lens 107 is installed on the right side of the machine body 105, the U-shaped groove 104 drives the machine body 105 and the observation lens 107 to move horizontally to perform focusing work, the push rod 103 is fixedly connected to the surface of the sliding rod 102, the front part of the machine body 105 is rotationally connected to the inner wall of the U-shaped groove 104, the surface of the rotating rod 106 is slidingly connected to the front part of the box body 1, the rotating rod 106 drives the machine body 105 to be adjusted in angle by rotating the rotating rod 106, the surface of the push rod 103 is slidingly connected to the front part of the box body 1, so that the observation lens 107 is flexibly focused, no matter the size of the observed solution volume or the shape of the container, flexible focusing can ensure the function of obtaining clear images.

[0027] Please refer to Figure 4 The micro-vibration mechanism 11 includes a magnetic stirrer 111, a vibration motor 112 is arranged on the front part of the magnetic stirrer 111, the vibration motor 112 transmits a slight amplitude to the magnetic stirrer 111, a fixed ring 113 is fixedly connected to the top of the magnetic stirrer 111, the magnetic stirrer 111 realizes vibration during the process of stirring the solution in the measuring cup, the bottom of the magnetic stirrer 111 is fixedly connected to the bottom wall inside the box body 1, the micro-vibration mechanism 11 further includes a cup placing disc 114, the cup placing disc 114 performs slight swing through the bottom spring and a hinge shaft 115, the hinge shaft 115 is hingedly connected to the bottom of the cup placing disc 114, the hinge shaft 115 can limit the left and right slight swing of the cup placing disc 114, the bottom of the cup placing disc 114 is connected to the top of the fixed ring 113 through the spring, the bottom of the hinge shaft 115 is fixedly connected to the inner wall of the magnetic stirrer 111, which helps the liquid drops to be dispersed in the solution more quickly instead of gathering on the surface, thereby improving the reaction rate and titration accuracy.

[0028] Working principle: When in use, the operator opens the door 4 when doing a titration test, places the measuring cup on the cup tray 114, turns on the surface light source 5 through the touch screen 3, and turns on the observation lens 107. Then, the burette 8 starts the titration test through the injection pump 7. The operator pushes the push rod 103, and the push rod 103 drives the slide bar 102 to slide along the inner wall of the slide block 101. The slide bar 102 drives the U-shaped groove 104 to move horizontally. The U-shaped groove 104 drives the body 105 and the observation lens 107 to move horizontally for focusing. The rotating rod 106 can be rotated to drive the body 105 to adjust the angle, so that the observation lens 107 can be flexibly focused. Regardless of the volume of the observed solution and the shape of the container, flexible focusing can ensure the acquisition of clear images, more accurately capture details such as color changes, more precisely determine the titration end point, and reduce the judgment error caused by image blur. At the same time, the burette 8 drips liquid into the measuring cup on the cup tray 114. At this time, the vibration motor 112 starts to work. The vibration motor 112 transmits a slight amplitude to the magnetic stirrer 111. The magnetic stirrer 111 vibrates while stirring the solution in the measuring cup, causing the cup tray 114 to swing slightly through the bottom spring and the hinge shaft 115, which helps the added droplets to disperse more quickly in the solution instead of gathering on the surface, thereby improving the reaction rate and titration accuracy.

[0029] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. Visual titrator comprising a cabinet (1), characterized in that: The top of the box (1) is fixedly connected with an alarm lamp (2), the left side of the box (1) is provided with a touch screen (3), the left side of the box (1) is rotatably connected with an opening door (4), the inner wall of the box (1) is fixedly connected with a surface light source (5), the inner wall of the box (1) is fixedly connected with a fixed plate (6), the rear of the fixed plate (6) is fixedly connected with a syringe pump (7), the front of the fixed plate (6) is fixedly connected with a burette (8), the rear of the fixed plate (6) is provided with a solenoid valve (9), the bottom wall in the box (1) is provided with a focusing mechanism (10), the bottom wall in the box (1) is also provided with a micro-vibration mechanism (11), the focusing mechanism (10) is composed of a mounting assembly and a sliding assembly, the sliding assembly comprises a sliding groove block (101), the inner wall of the sliding groove block (101) is slidably connected with a sliding rod (102), the top of the sliding rod (102) is fixedly connected with a U-shaped groove (104).

2. The visual titrator of claim 1, wherein: The mounting assembly comprises a machine body (105), the front of the machine body (105) is fixedly connected with a rotating rod (106), the right side of the machine body (105) is provided with an observation lens (107), the surface of the sliding rod (102) is fixedly connected with a push rod (103).

3. The visual titrator of claim 1, wherein: The bottom of the sliding groove block (101) is fixedly connected with the bottom wall in the box (1).

4. The visual titrator of claim 2, wherein: The front of the machine body (105) is rotatably connected with the inner wall of the U-shaped groove (104), the surface of the rotating rod (106) is slidably connected with the front of the box (1), and the surface of the push rod (103) is slidably connected with the front of the box (1).

5. The visual titrator of claim 1, wherein: The micro-vibration mechanism (11) comprises a magnetic stirrer (111), the front of the magnetic stirrer (111) is provided with a vibration motor (112), and the top of the magnetic stirrer (111) is fixedly connected with a fixed ring (113).

6. The visual titrator of claim 1, wherein: The micro-vibration mechanism (11) further comprises a cup placing disc (114), and the bottom of the cup placing disc (114) is hingedly connected with a hinge shaft (115).

7. The visual titrator of claim 5, wherein: The bottom of the magnetic stirrer (111) is fixedly connected with the bottom wall in the box (1).

8. The visual titrator of claim 6, wherein: The bottom of the cup placing disc (114) is connected with the top of the fixed ring (113) through a spring, and the bottom of the hinge shaft (115) is fixedly connected with the inner wall of the magnetic stirrer (111).

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