Heat collection type multifunctional magnetic stirrer
By designing the thermal multifunctional magnetic mixer, the existing magnetic mixer cannot stir and measure the temperature, lack of container fixed devices and timer functions at the same time, and achieve stable, safe and efficient mixing experiments.
Patent Information
- Application Number
- CN202420052699.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-09
- Publication Date
- 2025-01-28
- Estimated Expiration
- 2034-01-09
AI Technical Summary
The existing magnetic stirrers cannot be stirred and temperature measurement at the same time, and the lack of container fixing devices leads to unstable stirring and posed safety hazards; at the same time, the lack of timing function requires close attention from experimenters, wasting time, and the speed regulation is unclear. This results in unstandard testing conditions.
Design a thermal multifunctional magnetic mixer, including heating mixing device, a fixed and lifting device and a control system for the container. The heating and mixing device includes a thermal cooker, heating rod, stirring area and temperature probe, and control the heating power and stirring power through the control system; the container fixation and lifting device can be The lid implements the stable holding of the container; the control system can be automatically heated and stirred through the display, the operation button, and the speed adjustment button.
The function of heating and temperature measurement is implemented at the same time, and the solid splashing is prevented through a solid container fixed device, which improves the accuracy and safety of the stirring. The time of the experimental personnel is reduced by the timing function and improved the efficiency of the experiment. By a clear speed adjustment button, the standardization of the test conditions is ensured.
Smart Images
Figure CN222401201U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of stirring instruments, and in particular relates to a heat-collecting multifunctional magnetic stirrer. Background Art
[0002] A magnetic stirrer is an instrument for mixing substances. It is also a stirring / mixing equipment for chemical and physical reactions in the laboratory. It is mainly used for stirring or simultaneously heating and stirring low-viscosity liquids or solid-liquid mixtures. Its basic principle is to use the principle of like charges repelling and opposite charges attracting in the magnetic field, and use the magnetic field to push the magnetic stirrer placed in the container to rotate in a circle, thereby achieving the purpose of stirring the liquid. Magnetic stirrers are divided into heatable magnetic stirrers and non-heating magnetic stirrers.
[0003] Magnetic stirrers are widely used in many experiments. However, there are many shortcomings in the magnetic stirrers on the market that limit and affect their use, as follows: the magnetic rotor of the magnetic stirrer is generally cylindrical or olive-shaped, and is directly placed in the container for stirring when in use, and the thermometer is directly placed in the container when measuring temperature, and the thermometer directly contacts the bottom of the container, so stirring and temperature measurement often cannot be performed at the same time, which is not conducive to the experiment; the existing magnetic stirrer can generally only stir one set of experiments, which cannot form a good comparison, and it also lacks container fixing devices including clamps and lids, so the container is usually shaken and the liquid splashes due to excessive stirring speed, which not only affects the experiment but also has unsafe problems; in addition, the existing magnetic stirrer only has stirring and heating functions, and no timing function, which requires close attention from the experimenter, greatly wasting the experimenter's time; at the same time, the stirrer's speed control is not very clear, and some even do not indicate the specific speed, resulting in the experimental stirring conditions not being standard. Summary of the invention
[0004] The utility model aims to provide a heat-collecting multifunctional magnetic stirrer, which solves the above-mentioned defects of the existing magnetic stirrer.
[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:
[0006] The utility model provides a heat-collecting multifunctional magnetic stirrer, comprising a magnetic stirrer body, the upper surface of which is provided with:
[0007] A heating and stirring device for heating the stirring container;
[0008] A container fixing and lifting device for limiting the height of the mixing container and fixing the mixing container;
[0009] The magnetic stirrer body is also provided with a control system, which is used to control the heating power and stirring power of the heating and stirring device.
[0010] Preferably, the heating and stirring device comprises a heat collecting pot, a heating rod, a stirring area and a temperature measuring probe, wherein the heat collecting pot is arranged on the magnetic stirrer body; two arc-shaped heating rods are arranged at the bottom of the heat collecting pot;
[0011] The inner bottom of the heat collecting pot is provided with a plurality of stirring areas, and an electromagnet is provided below each stirring area, and the electromagnet is arranged on the magnetic stirrer body;
[0012] A temperature measuring probe for collecting the temperature of the inner cavity of the heat collecting pot in real time is arranged on the side wall of the heat collecting pot;
[0013] The heating rod, the electromagnet and the temperature measuring probe are all connected to the control system.
[0014] Preferably, a drain outlet is also provided at the bottom of the heat collecting pot.
[0015] Preferably, the container fixing and lifting device comprises an iron frame, a collar, a converter, a fixing clamp and a circular cover, wherein one end of the iron frame is fixed on the placement table, and the other end is sleeved with a collar, and the collar can move up and down along the axis of the iron frame; a cross arm is also provided on the collar, and the free end of the cross arm is connected to the converter;
[0016] Two first connecting rods and one second connecting rod in a telescopic structure are arranged on the side wall of the converter along its circumferential direction, wherein a circular cover is arranged at the free end of the first connecting rod, and a fixing clamp is arranged at the free end of the second connecting rod.
[0017] Preferably, the collar is also provided with a locking bolt for limiting and fixing the collar.
[0018] Preferably, the control system includes a controller, the controller is connected to a heating rod, a temperature measuring probe and an electromagnet, wherein the temperature measuring probe is used to collect the inner cavity temperature of the heat collecting pot in the heating and stirring device in real time, and transmit the collected temperature to the controller;
[0019] The controller is used to control the heating rod according to the received temperature to heat the solution in the heat collecting pot in the heating and stirring device;
[0020] The electromagnet is used to generate magnetic force, thereby driving the rotor placed in the stirring container to rotate.
[0021] Preferably, a placement table is provided between the magnetic stirrer body and the heating and stirring device.
[0022] Preferably, a heat sink is provided between the placement table and the heating and stirring device.
[0023] Compared with the prior art, the beneficial effects of the utility model are:
[0024] The utility model provides a heat-collecting multifunctional magnetic stirrer, which can perform heating stirring as well as non-heating stirring to realize all the functions of the stirrer; a control system is used to quickly heat the heating stirring device, which can not only perform water bath and oil bath heating but also make the solution temperature more uniform and stable, and also make the test stirring under better temperature conditions, thereby improving the accuracy of the test result; at the same time, a stable clamp is used to clamp and press the stirring container through a container fixing and lifting device, thereby preventing the container from shaking or tipping over due to excessive rotation speed or other factors during the stirring process, thereby preventing the internal liquid from splashing and other undesirable phenomena, thereby improving the accuracy and safety of stirring and testing.
[0025] Furthermore, by providing a plurality of magnetic stirring areas, multiple groups of tests can be carried out with stirring at the same time. BRIEF DESCRIPTION OF THE DRAWINGS
[0026] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;
[0027] Figure 2 The schematic diagram of the upper structure of the utility model includes the internal structure of the heating and stirring equipment and the container stabilizing and lifting device structure;
[0028] Figure 3 The schematic diagram of the lower structure of the utility model includes a stirrer bottom structure and an operation control structure;
[0029] In the figure: 1 magnetic stirrer body, 2 placing table, 3 heating and stirring device, 3-1 heat collecting pot, 3-2 heating rod, 3-3 stirring area, 3-4 temperature measuring probe, 3-5 drain outlet, 4 container fixing and lifting device, 4-1 iron frame, 4-2 collar, 4-3 locking bolt, 4-4 converter, 5 support stabilizing device, 5-1 stable support, 5-2 stable adjustment nut, 6 control panel, 6-1 display, 6-2 operation button, 6-3 speed adjustment button, 7 heat sink, 7-1 fixed support, 8 fixing clamp, 9 round cover. DETAILED DESCRIPTION
[0030] The utility model is further explained below in conjunction with the accompanying drawings and specific implementation methods.
[0031] like Figure 1As shown, the utility model provides a heat-collecting multifunctional magnetic stirrer, comprising a magnetic stirrer body 1, a placing table 2, a heating and stirring device 3, a container fixing and lifting device 4, a support stabilizing device 5, a control panel 6 and a heat sink 7, wherein the placing table 2 is placed on the magnetic stirrer body 1; the heating and stirring device 3 and the container fixing and lifting device 4 are both arranged on the placing table 2.
[0032] The bottom surface of the magnetic stirrer body 1 is provided with a support stabilizing device 5 .
[0033] The magnetic stirrer body 1 is also provided with a control system.
[0034] An electromagnet is disposed in the inner cavity of the placement table 2 , and the electromagnet corresponds to the heating and stirring device 3 .
[0035] The heating and stirring device 3 includes a heat collecting pot 3-1, a heating rod 3-2, a stirring area 3-3, a temperature measuring probe 3-4 and a drain outlet 3-5, wherein the heat collecting pot 3-1 is arranged on a placement table 2; two arc-shaped heating rods 3-2 are arranged at the bottom of the heat collecting pot 3-1; the two heating rods 3-2 are arranged oppositely at the two ends of the bottom of the heat collecting pot 3-1.
[0036] The heating rod 3-2 is used to quickly heat the water bath and oil bath in the heat collecting pot 3-1, and the solution temperature is uniform and stable, and is connected to the control system.
[0037] The bottom of the heat collecting pot 3 - 1 is provided with two stirring areas 3 - 3 , and the stirring areas 3 - 3 correspond to the electromagnets in the placing platform 2 .
[0038] A temperature measuring probe 3-4 is provided on the side wall of the heat collecting pot 3-1 for collecting the temperature of the heat collecting pot in real time and transmitting the collected temperature to the control system.
[0039] The control system is used to control the heating power of the heating rod 3-2 according to the received temperature.
[0040] The bottom of the heat collecting pot 3-1 is also provided with a drain port 3-5.
[0041] The container fixing and lifting device 4 includes an iron frame 4-1, a ring 4-2, a locking bolt 4-3, a converter 4-4, a fixing clamp 8 and a circular cover 9, wherein one end of the iron frame 4-1 is fixed on the placement table 2, and the other end is provided with a ring 4-2, and the ring 4-2 can move up and down along the axis of the iron frame 4-1.
[0042] The collar 4-2 is connected with a locking bolt 4-3 for locking the collar 4-2, and the axis of the locking bolt 4-3 is perpendicular to the axis of the iron frame 4-1.
[0043] The ring is also provided with a cross arm, and the free end of the cross arm is connected with a converter 4-4.
[0044] Two first connecting rods and one second connecting rod of a telescopic structure are arranged on the side wall of the converter 4 - 4 along its circumferential direction, wherein a circular cover 9 is arranged at the free end of the first connecting rod, and a fixing clamp 8 is arranged at the free end of the second connecting rod.
[0045] In this embodiment, three connecting rods with a telescopic structure are arranged on the converter 4-4, wherein the free end of one connecting rod is connected to a fixing clamp 8, and the free ends of the remaining two connecting rods are connected to circular covers 9; the two circular covers 9 are symmetrically arranged with the fixing clamp 8 as the center.
[0046] The container is sealed and pressed tightly by a plurality of circular covers 9 with different diameters to prevent the solution from splashing out.
[0047] The fixing clamp 8 is used to clamp and fix the container.
[0048] A heat sink 7 is provided between the placing table 2 and the magnetic stirrer body 1 , and the heat sink 7 is connected to the placing table 2 via four supports 7 - 1 .
[0049] The control system includes a controller, a display 6-1, an operation button 6-2, a speed adjustment button 6-3, a power switch, an indicator light and other buttons, wherein the controller is connected to a heating rod 3-2, a temperature probe 3-4, an electromagnet, a display 6-1, an operation button 6-2, a speed adjustment button 6-3, a power switch, an indicator light and other buttons.
[0050] The display 6-1 is used to display the collected temperature, rotation speed and time.
[0051] The operation button 6-2 is used to set the temperature and time.
[0052] There are two speed adjustment buttons 6-3, which respectively control the operation of the two stirring areas 3-3 in the heat collecting pot 3-1.
[0053] The controller is also connected to a timer.
[0054] The working principle of the utility model is:
[0055] The solution to be stirred is placed upside down in a container, and then the container is fixed by a fixing clamp 8 or a circular cover 9, and placed in a heat collecting pot 3-1 for heating and stirring in a water bath or an oil bath.
[0056] The heating temperature is set by operating the button 6-2, and the stirring speed is set by the speed adjustment button 6-3; the heating power of the heating rod 3-2 and the magnetic force of the electromagnet are controlled by the controller;
[0057] During the heating process, the temperature inside the heat collecting pot 3-1 is collected in real time through the temperature measuring probe 3-4, and the collected temperature is transmitted to the controller; the controller transmits the received temperature to the display 6-1 for display, and compares it with the set temperature, and controls the heating power of the heating rod 3-2 according to the comparison result.
[0058] The heating time and stirring time are set by the time setting button. When the timer reaches the time, the controller controls the heating rod and the electromagnet to stop running.
[0059] During stirring, a rotor is placed in the container, and the electromagnet in the control box is energized. The electromagnet generates magnetic force, and the rotor rotates under the action of the magnetic force, thereby achieving stirring of the solution.
[0060] The device uses temperature control equipment, stirring timing equipment, and digital intelligent operation and display equipment to achieve automatic timing and heating, and monitor its stirring speed, time, and temperature in real time. The experimenter can set the stirring time, heating time, and maximum heating temperature according to the test conditions and specific circumstances. The experimenter does not need to pay attention to the magnetic stirring process all the time. The device is easy to operate, intelligent and efficient, and has stable stirring performance. The above not only reduces manpower and material resources, but also further improves the experimental efficiency.
[0061] The support stabilizing device 5 includes four stabilizing supports 5-1 and corresponding stabilizing adjusting nuts 5-2. The height of the supports can be adjusted by the nuts 5-2 and the suction cup can be used to hold the entire magnetic stirrer more stably.
[0062] The mixing container is clamped by a stable clamp through the container fixing and lifting device, and different round covers are selected according to the diameter of the container to seal it tightly, so as to prevent the container from shaking or tipping over due to excessive rotation speed or other factors during the mixing process, causing splashing of internal liquid and other undesirable phenomena, thereby improving the accuracy and safety of mixing and testing.
[0063] Obviously, the above are all relatively clear and detailed introductions and descriptions of the implementation methods of the utility model, and are not limitations on the implementation methods. Any person skilled in the art can make possible changes and modifications without departing from the spirit and scope of the utility model. It is not necessary and impossible to list all the implementation methods here. Therefore, any modification, equivalent changes and modifications made to the implementation methods based on the technical essence of the utility model without departing from the content of the technical solution of the utility model are still within the scope of protection of the creation of the utility model.
Claims
1. A heat-collecting multifunctional magnetic stirrer, characterized in that: It comprises a magnetic stirrer body (1), wherein the upper surface of the magnetic stirrer body (1) is provided with: A heating and stirring device (3) for heating the stirring container; A container fixing and lifting device (4) for limiting the height of the mixing container and fixing the mixing container; The magnetic stirrer body (1) is also provided with a control system, the control system is used to control the heating power and stirring power of the heating and stirring device (3); The heating and stirring device (3) comprises a heat collecting pot (3-1), a heating rod (3-2), a stirring area (3-3) and a temperature measuring probe (3-4), wherein the heat collecting pot (3-1) is arranged on the magnetic stirrer body (1); and two arc-shaped heating rods (3-2) are arranged at the bottom of the heat collecting pot (3-1); The inner cavity bottom of the heat collecting pot (3-1) is provided with a plurality of stirring areas (3-3), and an electromagnet is provided below each stirring area (3-3), and the electromagnet is arranged on the magnetic stirrer body (1); A temperature measuring probe (3-4) for collecting the temperature of the inner cavity of the heat collecting pot (3-1) in real time is arranged on the side wall of the heat collecting pot (3-1); The heating rod (3-2), the electromagnet, and the temperature measuring probe are all connected to a control system.
2. A heat collecting multifunctional magnetic stirrer according to claim 1, characterized in that: The bottom of the heat collecting pot (3-1) is also provided with a drainage outlet.
3. A heat collecting multifunctional magnetic stirrer according to claim 1, characterized in that: The container fixing and lifting device (4) comprises an iron frame (4-1), a collar (4-2), a converter (4-4), a fixing clamp (8) and a circular cover (9), wherein one end of the iron frame (4-1) is fixed on the placement table (2), and the other end is sleeved with the collar (4-2), and the collar (4-2) can move up and down along the axis of the iron frame (4-1); a cross arm is also provided on the collar, and the free end of the cross arm is connected to the converter (4-4); Two first connecting rods and one second connecting rod in a telescopic structure are arranged on the side wall of the converter (4-4) along its circumferential direction, wherein the free end of the first connecting rod is provided with a circular cover (9), and the free end of the second connecting rod is provided with a fixing clamp (8).
4. A heat collecting multifunctional magnetic stirrer according to claim 3, characterized in that: The collar (4-2) is also provided with a locking bolt (4-3) for limiting and fixing the collar (4-2).
5. A heat collecting multifunctional magnetic stirrer according to claim 1, characterized in that: The control system comprises a controller, the controller being connected to a heating rod (3-2), a temperature measuring probe (3-4) and an electromagnet, wherein the temperature measuring probe (3-4) is used to collect the inner cavity temperature of a heat collecting pot (3-1) in the heating and stirring device (3) in real time, and transmit the collected temperature to the controller; The controller is used to control the heating rod (3-2) according to the received temperature to heat the solution in the heat collecting pot (3-1) in the heating and stirring device (3); The electromagnet is used to generate magnetic force, thereby driving the rotor placed in the stirring container to rotate.
6. A heat collecting multifunctional magnetic stirrer according to claim 1, characterized in that: A placement table (2) is provided between the magnetic stirrer body (1) and the heating and stirring device (3).
7. A heat collecting multifunctional magnetic stirrer according to claim 6, characterized in that: A heat dissipation plate (7) is provided between the placement table (2) and the heating and stirring device (3).