CN215894523U

CN215894523U - Full-automatic potentiometric titrator

Info

Publication number: CN215894523U
Application number: CN202121791843.XU
Authority: CN
Inventors: 韦亮平
Original assignee: Fangchenggang Dongtu Mineral Testing Co ltd
Current assignee: Fangchenggang Dongtu Mineral Testing Co ltd
Priority date: 2021-08-03
Filing date: 2021-08-03
Publication date: 2022-02-22
Anticipated expiration: 2031-08-03

Abstract

The utility model discloses a full-automatic electric potential titrator, which relates to the field of titrators and comprises a titrator, wherein a titration chamber is arranged in the titrator, the bottom of the titration chamber is provided with a stirrer, the top of the titrator is provided with an air control frame, the top of the titrator is provided with a fixed screw hole positioned right below the air control frame, the bottom of the titrator is provided with a treatment chamber positioned below the titration chamber, the treatment chamber is internally provided with a motor and a rotary control board, one side of the titrator is provided with a master controller, the front face of the master controller is provided with a social free touch screen, the titration chamber is internally provided with a reference electrode and an indication electrode, the back of the master controller is provided with a test tube, and a titration tube is fixed in the fixed screw hole. The burette and the test tube are fixed on the titrator and the main controller, so that the detachable part and the main structure form a whole, the space occupied by the whole device is reduced, and meanwhile, the structure of the burette and the design of the titrator enable the equipment to have shock resistance.

Description

Full-automatic potentiometric titrator

Technical Field

The utility model relates to the field of titrators, in particular to a full-automatic potentiometric titrator.

Background

The automatic titrator is a laboratory titrator with high analysis precision, has perfect and powerful functions, can be applied to the fields of food, drug inspection, disease control, inspection, commodity inspection, water treatment, petroleum, chemical engineering, oceans, electric power, environmental protection, new energy, teaching, scientific research and the like, adopts modular design, and consists of a capacity titrator, a control device and a measuring device.

The used test tube of titrating reagent is mainly arranged in by the titrator to current titrator and is connected, makes through various linking bridge to titrate the test tube and fixes on the titrator, nevertheless is receiving vibrations and when rocking with the titrator that this kind of mode is fixed, because its solution is inside to rock and to make solution falling rate change, makes the measurement error appear, and this kind of mode is fixed makes the shared space increase of titrator, makes the use of equipment become very loaded down with trivial details.

SUMMERY OF THE UTILITY MODEL

Based on the above, the utility model aims to provide a full-automatic potentiometric titrator, which aims to solve the technical problems of measurement deviation and large occupied space caused by poor fixing mode of the titrator and a test tube.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a full-automatic potentiometric titrator, includes the titrator, be provided with the titration chamber in the titrator, and the bottom of titration chamber is provided with the agitator, the top of titrator is provided with gas accuse frame, and the top of titrator is provided with the fixed screw that is located under the gas accuse frame, the bottom of titrator is provided with the process chamber that is located titration chamber below, and installs the motor in the process chamber and change the control panel, the master controller is installed to one side of titrator, and the free touch-control screen of the positive society of master controller, be provided with reference electrode and indicating electrode in the titration chamber, and the front of titration chamber is provided with the observation window, the master controller back is provided with the test tube, and fixed screw internal fixation has the titration tube.

Through adopting above-mentioned technical scheme, make buret and test tube fix on titrator and master controller for detachable part constitutes a whole with the primary structure, makes the whole shared space of device reduce, and the structure of buret and the design of titrator make equipment possess antidetonation performance simultaneously.

The utility model is further provided that the top of the burette is provided with a flap valve, and the bottom of the burette is provided with a liquid outlet hole.

Through adopting above-mentioned technical scheme for when the port of gas accuse frame is inserted the leather valve, realize inside leakproofness through the leather valve for the buret, and pour into the titration chamber through going out the liquid hole with titration solution.

The utility model is further arranged in that the bottom of the burette is provided with an external thread, and the length of the thread is equal to the length of the fixed screw hole.

Through adopting above-mentioned technical scheme for the buret can fix through the external screw thread, and its external screw thread length of simultaneous control is the same with the length of fixed screw, makes the buret can closely laminate in the screw bottom, ensures that solution pours into the titration chamber into.

The utility model is further provided that the diameter and the length of the liquid outlet hole are two millimeters.

Through adopting above-mentioned technical scheme for the titration reagent in the drain hole is injected from the bottom, and the back is extruded from the pneumatic valve to unnecessary gas, will inject the mouth and take out the back, because the inside atmospheric pressure adsorbs and the tension effect of solution makes the condition that outer hourglass can not appear in inside reagent, makes things convenient for the installation and the taking of buret.

The utility model further provides that the reference electrode and the indicating electrode are required to be positioned on two sides of the titration chamber and are symmetrical, and the horizontal distance can not be less than half of the diameter length of the titration chamber.

By adopting the technical scheme, the average value of the whole ion concentration in the solution is measured by the two motors, and the phenomenon that the potential distribution is uneven due to uneven distribution of part of ion concentration is avoided, so that the test result has errors.

In summary, the utility model mainly has the following beneficial effects:

1. according to the utility model, by using the air control frame and the injection hole type burette, the titration reagent can be injected into the test solution in an injection mode, so that the shock resistance of the device is improved, and the injection reaction of the titration reagent cannot be influenced by the shaking of the device;

2. according to the utility model, the burette is fixed in a threaded manner and the test tube is fixed in a bayonet manner, so that the reagent tube and the integral device are integrated, the integral appearance is improved, the use space of the device is saved, and the use and the moving are convenient.

Drawings

FIG. 1 is a view showing the internal structure of a titrator according to the present invention;

FIG. 2 is a front view of a titrator according to the present invention;

FIG. 3 is a back view of the titrator of the present invention;

FIG. 4 is an external view of a burette of the present invention;

FIG. 5 is a view showing the structure of a burette of the present invention.

In the figure: 1. a titrator; 2. a titration chamber; 3. an air control frame; 4. a processing chamber; 5. a master controller; 6. fixing screw holes; 7. a burette; 8. an indicator electrode; 9. a stirrer; 10. a motor; 11. a reference electrode; 12. a control board is rotated; 13. a touch screen; 14. a test tube; 15. an observation window; 16. a flap valve; 17. an external thread; 18. and a liquid outlet hole.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

The following describes an embodiment of the present invention based on its overall structure.

A full-automatic electric potential titrator, as shown in fig. 1-4, comprises a titrator 1, a titration chamber 2 is arranged in the titrator 1 and is used for titrating the reaction environment of a reagent and a test reagent, a stirrer 9 is arranged at the bottom of the titration chamber 2 and is used for fully stirring the solution added with the titrating reagent uniformly so as to ensure that the ion concentration in the solution is uniformly distributed, a pneumatic control frame 3 is arranged at the top of the titrator 1 to fix a burette 7, the titrating reagent is injected into the titration chamber 2 through the input of control gas of a touch screen 13, a fixing screw hole 6 which is arranged right below the pneumatic control frame 3 is arranged at the top of the titrator 1 and is used for fixing the burette 7, a processing chamber 4 which is arranged below the titration chamber 2 is arranged at the bottom of the titrator 1, a motor 10 is arranged in the processing chamber 4 and is used for controlling the rotation of the stirrer 9 and transmitting and transferring of a control signal through a transfer board 12, a master controller 5 is arranged at one side of the titrator 1, and the front social free touch screen 13 of the master controller 5 is used as an operation control platform of a user, a reference electrode 11 and an indicating electrode 8 are arranged in the titration chamber 2 and used for collecting and measuring potential signals, an observation window 15 is arranged on the front of the titration chamber 2, the condition of an internal solution can be observed, a test tube 14 is arranged on the back of the master controller 5, and a titration tube 7 is fixed in the fixed screw hole 6.

Referring to fig. 4 and 5, a rubber valve 16 is disposed on the top of the burette 7, and a liquid outlet 18 is disposed on the bottom of the burette so that when the burette 7 is inserted into the rubber valve 16 at the port of the air control frame 3, the inner part of the burette is sealed by the rubber valve, and the titration solution is injected into the titration chamber 2 through the liquid outlet 18.

Referring to fig. 4 and 5, the bottom of the burette 7 is provided with an external thread 17, and the length of the thread is equal to the length of the fixing screw hole 6, so that the burette 7 can be fixed by the external thread 17, and the length of the external thread 17 is controlled to be the same as the length of the fixing screw hole 6, so that the burette 7 can be tightly attached to the bottom of the screw hole, thereby ensuring that the solution is injected into the titration chamber 2.

Referring to fig. 5, the length of the liquid outlet 18 is two millimeters, so that the titration reagent in the liquid outlet 18 is injected from the bottom, and after the excess gas is extruded from the gas valve and the injection port is taken out, the internal reagent does not leak due to the internal gas pressure adsorption and the tension effect of the solution, thereby facilitating the installation and taking of the burette 7.

Referring to fig. 1, the reference electrode 11 and the indicator electrode 8 are symmetrically located on two sides of the titration chamber 2, and the horizontal distance is not less than half of the diameter length of the titration chamber 2, so that the average value of the whole ion concentration in the solution is measured by two motors, and the occurrence of uneven potential distribution caused by uneven distribution of part of ion concentration is avoided, and the error of the test result is avoided.

The working principle of the utility model is as follows: adding reagent to the burette 7 and the test tube 14 respectively, acting on the test tube 14 through the master controller 5 to inject the test solution in the test tube 14 into the titration chamber 2, matching the burette 7 with the external thread 17 through the fixed screw hole 6, fixing the burette 7 on the titrator 1, inserting the port of the air control frame 3 into the position of the leather valve 16, controlling the liquid feeding rate of the burette 7 through the air control frame 3, transmitting information to the rotary control board 12 through the touch screen 13, thereby controlling the air pressure given amount of the air control frame 3, because the interior is sealed, when the gas is fed, the air pressure in the burette 7 will be increased, so that the titration solution is injected into the titration chamber, the process is stable, the influence caused by vibration and shaking is avoided, a user can observe the reaction condition inside through the observation window 15, and simultaneously, the electronic control balance in the solution is realized through the mutual matching of the indicating electrode 8 and the reference electrode 11, the internal potential change condition is controlled and displayed at any time through the touch screen 13.

Although embodiments of the present invention have been shown and described, the present embodiments are merely illustrative of the present invention and are not intended to limit the present invention, and the described specific features, structures, materials or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and those skilled in the art can make modifications, substitutions, variations, etc. of the embodiments as required without departing from the principle and spirit of the present invention, but within the scope of the claims of the present invention.

Claims

1. The utility model provides a full-automatic potentiometric titrator, includes titrator (1), its characterized in that: the titration apparatus is characterized in that a titration chamber (2) is arranged in the titration apparatus (1), a stirrer (9) is arranged at the bottom of the titration chamber (2), a pneumatic control frame (3) is arranged at the top of the titration apparatus (1), a fixed screw hole (6) which is positioned under the pneumatic control frame (3) is arranged at the top of the titration apparatus (1), a treatment chamber (4) which is positioned under the titration chamber (2) is arranged at the bottom of the titration apparatus (1), a motor (10) and a rotary control plate (12) are installed in the treatment chamber (4), a master controller (5) is installed at one side of the titration apparatus (1), a front social free touch screen (13) of the master controller (5), a reference electrode (11) and an indicating electrode (8) are arranged in the titration chamber (2), an observation window (15) is arranged on the front of the titration chamber (2), a test tube (14) is arranged at the back of the master controller (5), and a burette (7) is fixed in the fixing screw hole (6).

2. The fully automatic potentiometric titrator according to claim 1, wherein: the top of the burette (7) is provided with a flap valve (16), and the bottom is provided with a liquid outlet hole (18).

3. The fully automatic potentiometric titrator according to claim 1, wherein: the bottom of the burette (7) is provided with an external thread (17), and the length of the thread is equal to the length of the fixed screw hole (6).

4. The fully automatic potentiometric titrator according to claim 2, wherein: the diameter and the length of the liquid outlet hole (18) are required to be two millimeters.

5. The fully automatic potentiometric titrator according to claim 1, wherein: the reference electrode (11) and the indicating electrode (8) are required to be positioned on two sides of the titration chamber (2) and are symmetrical, and the horizontal distance cannot be less than half of the diameter length of the titration chamber (2).