CN220913076U - Automatic titration PH meter convenient to calculate solution quantity - Google Patents
Automatic titration PH meter convenient to calculate solution quantity Download PDFInfo
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- CN220913076U CN220913076U CN202322442153.9U CN202322442153U CN220913076U CN 220913076 U CN220913076 U CN 220913076U CN 202322442153 U CN202322442153 U CN 202322442153U CN 220913076 U CN220913076 U CN 220913076U
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- 238000004448 titration Methods 0.000 title claims abstract description 96
- 238000001514 detection method Methods 0.000 claims abstract description 14
- 239000007788 liquid Substances 0.000 claims description 67
- 239000000243 solution Substances 0.000 claims description 27
- 239000012086 standard solution Substances 0.000 claims description 16
- 230000007246 mechanism Effects 0.000 claims description 3
- 230000006698 induction Effects 0.000 abstract description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Abstract
The utility model provides an automatic titration PH meter which is convenient for calculating the dosage of a solution. The automatic titration device comprises a main body, be provided with the electronic computing subassembly that can calculate the titration solution pre-use amount in the main body, the both sides of main body front end are provided with fixed box, be provided with electric putter in the fixed box, the terminal fixedly connected with splint of piston rod of electric putter, be provided with the forced induction board between two fixed boxes, one side of main body is provided with control panel, positive one side of main body is provided with the display screen, the positive opposite side of main body is provided with the rotating arm, the end of rotating arm is provided with the detection head, fixedly connected with buret in the main body. The utility model has the advantages that: when reaching the quantity of prearrangement soon, the controller control motor reduces the rotational speed, reduces titration speed, and after reaching the quantity of prearrangement, the motor stops rotating, and excessive titration solution is deposited in the holding tank, makes titration result more accurate, and the practicality is stronger.
Description
Technical Field
The utility model relates to the technical field of PH value detection, in particular to an automatic titration PH meter convenient for calculating the solution dosage.
Background
Titration refers to a quantitative analysis means and is also a chemical experimental operation. It determines the content of a certain solute by quantitative reaction of two solutions. The method is characterized in that the titration end point is indicated according to the color change of an indicator, and then the consumption volume of a standard solution is visually detected, so that the analysis result is calculated.
The pH meter is an instrument for potentiometrically measuring the pH value of a solution using a pH indicating electrode. In the existing automatic titration pH meter, the pH value of liquid is monitored constantly, titration is continuously carried out before the pH value of the liquid reaches a preset value, the amount of required titration liquid cannot be estimated, when certain liquids with higher sensitivity are dripped, the pH value change is relatively quick, after the detection value reaches the preset value, the titration liquid which flows out of a burette but does not fall into a container of standard solution possibly exists, and the part of titration liquid falls into the container, so that excessive titration is caused, and the titration result is influenced. For this purpose, an automatic titration PH meter is proposed which facilitates the calculation of the solution dosage, and an improvement is made.
Disclosure of utility model
The object of the present utility model is to solve at least one of the technical drawbacks.
Therefore, an object of the present utility model is to provide an automatic titration PH meter that facilitates the calculation of the amount of solution used to solve the problems mentioned in the background art and to overcome the drawbacks of the prior art.
In order to achieve the above object, an embodiment of an aspect of the present utility model provides an automatic titration PH meter for calculating a solution dosage, including a main body, an electronic calculating component capable of calculating a titration solution dosage is disposed in the main body, two sides of a front end of the main body are provided with fixing boxes, an electric push rod is disposed in each fixing box, a clamping plate is fixedly connected to a tail end of a piston rod of the electric push rod, a pressure sensing plate is disposed between the two fixing boxes, one side of the main body is provided with a control panel, one side of a front side of the main body is provided with a display screen, the other side of the front side of the main body is provided with a rotating arm, and a detecting head is disposed at a tail end of the rotating arm;
Fixedly connected with buret in the main part, the below of buret is provided with the quantitative section of thick bamboo, one side of quantitative section of thick bamboo is provided with the motor, fixedly connected with ration roller on the output shaft of motor, the holding tank has been seted up on the ration roller, the bottom fixedly connected with buret of ration roller.
It is preferable in any of the above aspects that the calculation formula according to which the electronic calculation component in the main body is based is as follows: v 1＝V2·ρ2/ρ1;
Wherein V 1、V2 is the titration solution pre-use amount and the standard solution amount, and ρ 1、ρ2 is the titration solution concentration and the standard solution concentration.
By any of the above schemes, preferably, the main body is provided with a controller therein, the inner side of the clamping plate is provided with a cushion pad, and the pressure sensing plate is provided with a pressure sensor therein.
The technical scheme is adopted: the electronic calculation component capable of calculating the titration liquid pre-consumption is arranged in the main body, so that the titration liquid pre-consumption can be calculated after the standard liquid name, the standard liquid concentration and the consumption and the titration liquid name and the concentration are input into the device, and then the controller can control the titration component to perform titration according to the titration liquid pre-consumption, the titration speed is reduced when the pre-consumption is reached fast according to the pre-consumption, and the titration is more accurate. The splint can carry out the centre gripping to standard liquid container, prevents that standard liquid container from taking place the displacement when titrating the work.
In any of the above embodiments, it is preferable that control buttons for inputting the name, concentration and volume of the liquid are provided on the control panel.
In any of the above embodiments, preferably, a driving mechanism for driving the rotating arm to rotate is disposed in the main body.
The technical scheme is adopted: the control panel can input standard liquid names, standard liquid concentrations, using amounts, titrimetric liquid names and concentrations into the device, and the electronic calculation assembly is convenient for calculating the titrimetric liquid pre-using amounts. The display screen is used for displaying the pH value of the liquid detected by the detection head, so that the staff can know the titration progress conveniently. The rotating arm is used for supporting the detection head and can drive the detection head to rotate. The detection head can be immersed in the liquid to be detected to detect the pH value of the liquid.
In any of the above embodiments, it is preferable that the titration cylinder is disposed above the pressure sensing plate, and the titration cylinder is fixed to the main body by a fixing plate.
It is preferable in any of the above-described aspects that the dosing cylinder is horizontally disposed, and the accommodating grooves are provided in a plurality and uniformly arranged on the dosing roller.
The technical scheme is adopted: the titration cylinder is used for containing titration liquid, and the titration cylinder is fixed on the pressure sensing plate, can correspond with the standard liquid container of putting on the pressure sensing plate, makes the titration liquid can directly fall in the standard liquid container. The motor is used for driving the quantitative roller to rotate, the quantitative roller rotates to enable the accommodating grooves at different positions to sequentially rotate to the upper portion of the quantitative cylinder for receiving materials, then rotates to the lower portion of the quantitative cylinder for pouring out the titration liquid, and the volume of the accommodating grooves is fixed, so that the volume of the titration liquid discharge can be controlled by controlling the rotation number of the motor.
Compared with the prior art, the utility model has the following advantages and beneficial effects:
1. This automatic titration PH meter convenient to calculate solution quantity sets up electronic computing subassembly through setting up structure such as controller, quantitative cylinder, quantitative roller in the main part, when titrating, through control panel to device input standard liquid name, standard liquid concentration, quantity and titration liquid name, concentration, electronic computing subassembly calculates titration liquid quantity in advance, the controller rotates according to titration liquid quantity in advance control motor, titration liquid is discharged from the buret and is titrated the work, when reaching the quantity in advance soon, the motor reduction rotational speed is controlled to the controller, reduce titration speed, after reaching the quantity in advance, the motor stops rotating, excessive titration liquid is deposited in the holding tank, make titration result more accurate, the practicality is stronger.
2. This automatic titration PH meter convenient to calculate solution quantity through setting up fixed box, electric putter, splint, pressure sensing board isotructure, when titrating the during operation, places the container that holds standard solution on pressure sensing board, and pressure sensor in the pressure sensing board feels pressure, sends the signal to the controller, and controller control electric putter promotes splint removal, and splint press from both sides standard solution, avoids standard solution to take place the displacement when titrating the during operation.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic view of a first view structure according to the present utility model;
FIG. 2 is a schematic view of a second view angle structure according to the present utility model;
FIG. 3 is a schematic view of the overall cut-away structure of the present utility model;
FIG. 4 is a schematic view of the cut-away structure of the position of the metering roll of the present utility model.
In the figure: the automatic titration device comprises a 1-main body, a 2-fixed box, a 3-electric push rod, a 4-clamping plate, a 5-pressure sensing plate, a 6-control panel, a 7-display screen, an 8-rotating arm, a 9-detection head, a 10-titration cylinder, an 11-quantitative cylinder, a 12-motor, a 13-quantitative roller, a 14-accommodating groove and a 15-burette.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
As shown in fig. 1 to 4, the utility model comprises a main body 1, wherein an electronic calculating component capable of calculating the pre-dosage of the titration solution is arranged in the main body 1, two sides of the front end of the main body 1 are provided with fixed boxes 2, an electric push rod 3 is arranged in each fixed box 2, the tail end of a piston rod of each electric push rod 3 is fixedly connected with a clamping plate 4, a pressure sensing plate 5 is arranged between the two fixed boxes 2, one side of the main body 1 is provided with a control panel 6, one side of the front surface of the main body 1 is provided with a display screen 7, the other side of the front surface of the main body 1 is provided with a rotating arm 8, and the tail end of the rotating arm 8 is provided with a detection head 9;
The titration apparatus comprises a main body 1, a titration cylinder 10 fixedly connected to the main body 1, a quantitative cylinder 11 arranged below the titration cylinder 10, a motor 12 arranged on one side of the quantitative cylinder 11, a quantitative roller 13 fixedly connected to an output shaft of the motor 12, a containing groove 14 arranged on the quantitative roller 13, and a burette 15 fixedly connected to the bottom end of the quantitative roller 13.
Example 1: the calculation formula according to which the electronic calculation components in the main body 1 are based is as follows: v1=v2·ρ2/ρ1; wherein V1 and V 2 are respectively the pre-consumption of the titration solution and the standard solution, and ρ1 and ρ2 are respectively the concentration of the titration solution and the standard solution. A controller is arranged in the main body 1, a cushion pad is arranged on the inner side of the clamping plate 4, and a pressure sensor is arranged in the pressure sensing plate 5. The electronic calculation component capable of calculating the titration liquid pre-consumption is arranged in the main body 1, so that the titration liquid pre-consumption can be calculated after the standard liquid name, the standard liquid concentration and the consumption and the titration liquid name and the concentration are input into the device, and then the controller can control the titration component to perform titration according to the titration liquid pre-consumption, and the titration speed is reduced when the pre-consumption is reached according to the pre-consumption, so that the titration is more accurate. The clamping plate 4 can clamp the standard liquid container to prevent the standard liquid container from shifting during titration.
Example 2: the control panel 6 is provided with control keys for inputting the names, concentration and volume of the liquid. A driving mechanism for driving the rotating arm 8 to rotate is arranged in the main body 1. The control panel 6 can input standard liquid names, standard liquid concentrations, using amounts, titrimetric liquid names and concentrations into the device, and is convenient for the electronic calculation assembly to calculate the titrimetric liquid pre-using amount. The display screen 7 is used for displaying the pH value of the liquid detected by the detection head 9, so that a worker can know the titration progress conveniently. The rotating arm 8 is used for supporting the detection head 9 and can drive the detection head 9 to rotate. The detection head 9 can be immersed in the liquid to be detected to detect the pH value of the liquid.
Example 3: the dispensing cylinder 10 is disposed above the pressure sensing plate 5, and the dispensing cylinder 10 is fixed to the main body 1 by a fixing plate. The metering cylinder 11 is horizontally arranged, and the accommodating grooves 14 are provided in a plurality and uniformly arranged on the metering roller 13. The titration cylinder 10 is used for containing titration liquid, the titration cylinder 10 is fixed on the pressure sensing plate 5 and can correspond to a standard liquid container placed on the pressure sensing plate 5, so that the titration liquid can directly fall into the standard liquid container. The motor 12 is used for driving the quantifying roller 13 to rotate, the quantifying roller 13 rotates to enable the accommodating groove 14 at different positions to sequentially rotate to the upper part of the quantifying cylinder 11 for receiving, and then rotates to the lower part of the quantifying cylinder 11 for pouring out the titration liquid, and the volume of the accommodating groove 14 is fixed, so that the discharge amount of the titration liquid can be controlled by controlling the rotation number of the motor 12.
The working principle of the utility model is as follows:
S1, placing a container containing standard solution on a pressure sensing plate 5, sensing pressure by a pressure sensor in the pressure sensing plate 5, sending a signal to a controller, and controlling an electric push rod 3 to push a clamping plate 4 to move by the controller, and clamping the standard solution by the clamping plate 4;
S2, inputting standard liquid names, standard liquid concentrations, using amounts, titrant names and concentrations into the device through the control panel 6, calculating the titrant pre-using amount by the electronic calculation component, controlling the motor 12 to rotate by the controller according to the titrant pre-using amount, and discharging the titrant from the burette 15 for titration;
And S3, when the preset dosage is reached, the controller controls the motor to reduce the rotating speed and the titration speed, and after the preset dosage is reached, the motor stops rotating.
Compared with the prior art, the utility model has the following beneficial effects compared with the prior art:
1. This automatic titration PH meter convenient to calculate solution quantity sets up the electronic computing subassembly in main part 1, the cooperation sets up structures such as controller, ration section of thick bamboo 11, ration roller 13, when titrating the during operation, through control panel 6 to device input standard liquid name, standard liquid concentration, quantity and titration liquid name, concentration, the electronic computing subassembly calculates titration liquid quantity in advance, the controller is according to titration liquid quantity in advance control motor 12 rotation, titration liquid is discharged from buret 15 and is carried out the titration operation, when reaching the quantity in advance soon, the motor reduction rotational speed is controlled to the controller, reduce titration speed, after reaching the quantity in advance, the motor stops rotating, excessive titration liquid is deposited in holding tank 14, make titration result more accurate, the practicality is stronger.
2. This automatic titration PH meter convenient to calculate solution quantity through setting up fixed box 2, electric putter 3, splint 4, forced induction board 5 isotructure, when titrating the during operation, places the container that holds standard solution on forced induction board 5, and the pressure sensor in the forced induction board 5 feels pressure, sends the signal to the controller, and controller control electric putter 3 promotes splint 4 and removes, and splint 4 press from both sides standard solution, avoids standard solution to take place the displacement when titrating the during operation.
Claims (7)
1. An automatic titration PH meter for facilitating the calculation of the dosage of a solution comprises a main body (1); the automatic titration device is characterized in that an electronic calculating assembly capable of calculating the pre-consumption of the titration solution is arranged in the main body (1), fixed boxes (2) are arranged on two sides of the front end of the main body (1), an electric push rod (3) is arranged in each fixed box (2), a clamping plate (4) is fixedly connected to the tail end of a piston rod of each electric push rod (3), a pressure sensing plate (5) is arranged between the two fixed boxes (2), a control panel (6) is arranged on one side of the main body (1), a display screen (7) is arranged on one side of the front face of the main body (1), a rotating arm (8) is arranged on the other side of the front face of the main body (1), and a detection head (9) is arranged at the tail end of each rotating arm (8);
The automatic titration device is characterized in that a titration cylinder (10) is fixedly connected to the main body (1), a quantitative cylinder (11) is arranged below the titration cylinder (10), a motor (12) is arranged on one side of the quantitative cylinder (11), a quantitative roller (13) is fixedly connected to an output shaft of the motor (12), a containing groove (14) is formed in the quantitative roller (13), and a burette (15) is fixedly connected to the bottom end of the quantitative roller (13).
2. An auto-titrating PH meter to facilitate the calculation of the dosage of a solution according to claim 1, wherein: the calculation formula according to which the electronic calculation component in the main body (1) is based is as follows:
V1＝V2·ρ2/ρ1；
Wherein V 1、V2 is the titration solution pre-use amount and the standard solution amount, and ρ 1、ρ2 is the titration solution concentration and the standard solution concentration.
3. An auto-titrating PH meter to facilitate the calculation of the dosage of a solution according to claim 2, wherein: the novel pressure sensing device is characterized in that a controller is arranged in the main body (1), a buffer pad is arranged on the inner side of the clamping plate (4), and a pressure sensor is arranged in the pressure sensing plate (5).
4. An auto-titrating PH meter in accordance with claim 3 for facilitating the calculation of the amount of solution, wherein: the control panel (6) is provided with control keys for inputting the names, concentration and volume of the liquid.
5. An automatic titration PH meter for facilitating the calculation of the dosage of a solution as recited in claim 4 wherein: a driving mechanism for driving the rotating arm (8) to rotate is arranged in the main body (1).
6. An automatic titration PH meter for facilitating the calculation of the dosage of a solution as recited in claim 5, wherein: the dripping cylinder (10) is arranged above the pressure sensing plate (5), and the dripping cylinder (10) is fixed on the main body (1) through a fixing plate.
7. An auto-titrating PH meter in accordance with claim 6, wherein the PH meter is adapted to calculate the amount of solution used, and wherein: the quantitative barrel (11) is horizontally arranged, and the containing grooves (14) are uniformly distributed on the quantitative roller (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322442153.9U CN220913076U (en) | 2023-09-08 | 2023-09-08 | Automatic titration PH meter convenient to calculate solution quantity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322442153.9U CN220913076U (en) | 2023-09-08 | 2023-09-08 | Automatic titration PH meter convenient to calculate solution quantity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220913076U true CN220913076U (en) | 2024-05-07 |
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ID=90917795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322442153.9U Active CN220913076U (en) | 2023-09-08 | 2023-09-08 | Automatic titration PH meter convenient to calculate solution quantity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220913076U (en) |
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2023
- 2023-09-08 CN CN202322442153.9U patent/CN220913076U/en active Active
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