CN-224231728-U - Device for constant temperature automatic titration

Abstract

The utility model belongs to the technical field of experimental instruments, and discloses a device for constant-temperature automatic titration, which comprises a constant-temperature box, an electronic thermometer, a suspension magnetic stirrer, a burette and a controller, wherein a constant-temperature control element is arranged in the constant-temperature box; the constant temperature control element, the controller and the electronic thermometer form a constant temperature system together to ensure the constant temperature of the solution in the titration process. The burette controls the piston to move through a micro motor capable of precisely controlling the speed and an electric telescopic rod, so that automatic titration is realized. The top of the incubator is provided with a through jack for installing an electronic thermometer to monitor the temperature of the solution in real time. The suspension magnetic stirrer is used for accelerating the reaction speed, and the observation window is convenient for observing the reaction process. The utility model solves the problem of inaccurate experimental results caused by temperature change of the existing titration device, has the advantages of automatic titration, constant temperature control, simple and convenient operation and the like, and is suitable for titration experiments.

Inventors

• HAN ZHANGXIONG
• LI CHUNMIAO
• DUAN AILING
• YANG SHUJUN
• ZHANG SHUXIONG
• ZHANG HE
• LIU GENGYUAN
• JIN LU
• ZHOU JIANCHENG

Assignees

• 江苏省环境地质调查大队

Dates

Publication Date

20260512

Application Date

20250427

Claims (4)

1. 1. The device for automatically titrating at constant temperature is characterized by comprising a constant temperature box (1) and an electronic thermometer (2), wherein an opening and closing door (11) is rotationally connected to the front side of the constant temperature box (1), an observation window (12) is arranged on the opening and closing door (11), a magnetic suspension stirrer (3) is placed inside the constant temperature box (1), a container (4) for containing liquid is placed at the top of the magnetic suspension stirrer (3), constant temperature control elements (13) are arranged on two sides inside the constant temperature box (1), the constant temperature control elements (13) are used for heating the inside of the constant temperature box (1), a controller (14) is connected to the outside of the constant temperature box (1), the controller (14) is used for controlling the power and the opening and closing of the constant temperature control elements (13), the controller (14) is connected with the electronic thermometer (2), the constant temperature control elements (13), the controller (14) and the electronic thermometer (2) are jointly inserted into a system, a jack (15) is arranged at the top of the constant temperature box (1), a motor (15) is used for heating the inside of the constant temperature box (1), the micro-type liquid is connected to the micro-type container (5), the utility model discloses a buret, including support frame (5), buret (6), inside sliding connection of buret (6) has piston (52), piston (52) top is connected with electric telescopic handle (53), electric telescopic handle (53) with micromotor (51) are connected, electric telescopic handle (53) by micromotor (51) control, buret (6) bottom wear to inside incubator (1), buret (6) bottom is provided with control switch valve (61), buret (6) top side intercommunication has liquid feeding pipe (62), liquid feeding pipe (62) be used for to add solution in buret (6).
2. 2. The device for constant temperature automatic titration according to claim 1, wherein the heating part of the constant temperature control element (13) is one of an electric heating wire, an electric heating tube, an infrared heater and a quartz heating tube, and the cooling part is one of air cooling and water cooling.
3. 3. A device for the isothermal automatic titration according to claim 1, characterized in that the top of the incubator (1) is provided with four insertion holes (15) at equal distance.
4. 4. A device for the isothermal automatic titration according to claim 1, characterized in that a sealing ring (7) is arranged at the contact connection of the burette (6) and the incubator (1).

Description

Device for constant temperature automatic titration Technical Field The utility model relates to the technical field of experimental instruments, in particular to a device for constant-temperature automatic titration. Background Titration is a common experimental analysis mode, however, in the existing titration device, a control device for temperature is often lacking, in titration analysis, some reactants are easily affected by temperature, so that a detection result is inconsistent due to temperature change, and meanwhile, some volatile solution to be detected can cause a phenomenon of accuracy reduction due to temperature rise in the titration process, so that the problem of constant temperature detection of the solution to be detected in the experimental process needs to be solved. Disclosure of utility model The utility model aims to provide a device for constant-temperature automatic titration, which is used for solving the problem that the temperature easily influences experimental results in the titration process. In order to achieve the above object, the present utility model provides the following technical solutions: The utility model provides a device for constant temperature automatic titration, including thermostated container and electronic thermometer, the thermostated container front side rotates and is connected with the switch door, thereby be provided with the observation window on the switch door, the inside magnetism agitator that hangs of having placed of thermostated container, it is used for placing the container of splendid attire liquid to hang magnetism agitator top, the inside both sides of thermostated container are provided with the constant temperature accuse temperature component, the constant temperature accuse temperature component is used for heating the thermostated container inside, the thermostated container external connection has the controller, the controller is used for controlling the power and the switch of constant temperature accuse temperature component, the controller is connected with electronic thermometer, the constant temperature accuse temperature component, the controller and electronic thermometer constitute thermostatic system jointly, the thermostated container top is provided with the jack, thereby the jack is used for putting into electronic thermometer and carries out the temperature measurement to container inside liquid, the thermostated container side is provided with the support frame, the support frame top is connected with micro motor, the centre gripping is fixed with the buret on the support frame, the inside sliding connection of buret has the piston, the piston top is connected with electric telescopic rod, electric telescopic rod is connected with micro motor control buret, the buret bottom wears to the inside the thermostated container, the bottom is provided with the control switch valve, buret side intercommunication has the liquid feeding pipe, the buret, thereby be used for adding solution to the buret to the solution. Further, the heating part of the constant temperature control element is one of an electric heating wire, an electric heating tube, an infrared heater and a quartz heating tube, and the cooling part is one of air cooling and water cooling. Further, four through jacks are equidistantly arranged at the top of the incubator. Further, a sealing ring is arranged at the contact connection part of the burette and the constant temperature box. The utility model adopts the technical scheme that a constant temperature control element is arranged in an incubator, the constant temperature control element is connected with a controller, the controller is used for controlling the power and the switch of the constant temperature control element, an electronic thermometer is used for monitoring the temperature of a solution to be detected, the electronic thermometer, the controller and the constant temperature control element jointly form a constant temperature system, so that the temperature of the solution to be detected is constant, a titration solution is placed in the titration tube, the titration solution drives an electric telescopic rod to push a piston through a micro motor capable of accurately controlling the speed, the titration solution is accurately injected into a container filled with the solution to be detected, the reaction can be accelerated through the arrangement of a suspension magnetic stirrer, and the titration solution can be suitable for containers with different specifications through the arrangement of a plurality of penetrating holes. The technical scheme has the advantages that the electronic thermometer is arranged in the solution to be detected, the temperature of the solution to be detected can be monitored in real time, meanwhile, the constant temperature system is formed by the cooperation of the controller and the constant temperature control element, the titration process can be guaranteed to be