Magnetic stirrer capable of heating and cooling

Abstract

The utility model discloses a magnetic stirrer capable of heating and cooling, which comprises a mounting seat, a stirrer main machine, a temperature sensor, a quick heater and a cooling structure, the stirrer main machine is arranged on the mounting seat, and the temperature sensor is arranged on the mounting seat and is positioned on one side of the stirrer main machine; the rapid heater is arranged on the mounting base and located on one side of the stirrer main machine, the rapid heater is used for heating the outer wall of the container, the cooling structure is mounted on the mounting base and used for rapidly cooling the container, and the rapid heater comprises a supporting column, a mounting box, a mover and a heating ring; the supporting column is arranged on the mounting base, the mounting box is arranged on the supporting column, the mover is arranged on the mounting box, the heating rings are arranged on the mover, and the two sets of heating rings are symmetrically arranged. The utility model relates to the field of use and design of magnetic stirrers, in particular to a magnetic stirrer capable of heating and cooling.

Description

Technical Field

[0001] The utility model relates to the field of use and design of magnetic stirrers, in particular to a magnetic stirrer for increasing and decreasing temperature. Background Art

[0002] The magnetic stirrer is a stirring method that does not require the stirring rod to be inserted into the container. It has relatively good stability and is easy to move the container. It also has temperature control and feedback functions. Usually, the temperature of the disk on the bottom stirrer host can be changed according to actual needs, thereby changing the temperature of the container and the internal solution, and the temperature sensor can monitor and feedback the temperature in real time.

[0003] In actual use, only the bottom is heated up, and the heating rate will be limited. If a heating ring can be wrapped around the outside of the container, the overall heating rate will be improved. In addition, after the reaction is completed, the cooling is mostly natural cooling. Due to the high temperature itself, the cooling time is also long. If the temperature can be cooled quickly, the test efficiency will be improved. Utility Model Content

[0004] The technical problems to be solved by the utility model are slow heating and cooling speed and long waiting time during testing.

[0005] In order to solve the above problems, the technical solution adopted by the utility model is as follows: the utility model is a magnetic stirrer for heating and cooling, comprising a mounting seat, a stirrer main unit and a temperature sensor, the stirrer main unit is arranged on the mounting seat, the temperature sensor is installed on the mounting seat and is located on one side of the stirrer main unit, and also includes a rapid heater and a cooling structure, the rapid heater is arranged on the mounting seat and is located on one side of the stirrer main unit, the rapid heater is used to heat the outer wall of the container, the cooling structure is installed on the mounting seat, the cooling structure is used to quickly cool the container, the rapid heater comprises a support column, an installation box, a mover and a heating ring, the support column is arranged on the mounting seat, the installation box is arranged on the support column, the mover is arranged on the installation box, the heating ring is arranged on the mover, and the heating ring is symmetrically arranged in two groups.

[0006] Furthermore, the installation box is provided with a moving opening.

[0007] Furthermore, the mover includes a power device, a limit rod, a limit seat and a connecting frame, the power device is arranged in an installation box, the limit rod is arranged on the installation box, the limit seat is provided with two groups, the limit seat is slidably sleeved on the limit rod, the connecting frame is provided with two groups, the connecting frame is installed on the limit seat and passes through the moving port, and the heating ring is arranged on the connecting frame.

[0008] Furthermore, the power device includes forward and reverse screws and nuts. The forward and reverse screws are rotatably arranged on the installation box, and the nuts are threadedly connected to the forward and reverse screws. The nuts are symmetrically arranged in two groups and are respectively connected to one group of limit seats.

[0009] Furthermore, a motor is provided on the installation box, the output shaft of the motor is connected to the forward and reverse screw rods, and the motor is a forward and reverse rotating motor.

[0010] Furthermore, the cooling structure includes a mounting frame and a heat dissipation fan, the mounting frame is mounted on a mounting seat, two groups of mounting frames are symmetrically arranged, and the heat dissipation fan is installed between the two groups of mounting frames.

[0011] Furthermore, a plurality of foot pads are provided at the bottom of the mounting base.

[0012] The beneficial effects achieved by the utility model using the above structure are as follows:

[0013] 1. The rapid heater can be used to assist the main unit of the agitator in heating the container, and under the control of the mover, the heating ring can be used or not according to actual needs. It will not cause interference when not in use, and the position can be easily adjusted for heating or cooling.

[0014] 2. Use cooling fan to dissipate heat from the container using cooling structure, which improves test efficiency and reduces waiting time compared to natural cooling. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of a magnetic stirrer for heating and cooling the temperature proposed by the utility model;

[0016] Figure 2 This is a schematic structural diagram of another angle of a magnetic stirrer for heating and cooling proposed by the utility model;

[0017] Figure 3 This is a front view of a magnetic stirrer for heating and cooling proposed by the utility model;

[0018] Figure 4 This is a schematic diagram of the structure of a magnetic stirrer mover for heating and cooling proposed by the utility model;

[0019] Figure 5 The utility model provides a schematic structural diagram of a magnetic stirrer cooling structure for increasing and decreasing the temperature.

[0020] Among them, 1. mounting base, 2. agitator main unit, 3. temperature sensor, 4. rapid heater, 5. cooling structure, 6. support column, 7. mounting box, 8. mover, 9. heating ring, 10. moving port, 11. power device, 12. limit rod, 13. limit seat, 14. connecting frame, 15. forward and reverse screws, 16. nut, 17. motor, 18. mounting frame, 19. cooling fan, 20. foot pad. DETAILED DESCRIPTION

[0021] like Figure 1 to Figure 5 As shown, the utility model is a magnetic stirrer for heating and cooling, comprising a mounting base 1, a stirrer main unit 2 and a temperature sensor 3, the stirrer main unit 2 is arranged on the mounting base 1, the temperature sensor 3 is installed on the mounting base 1 and is located on one side of the stirrer main unit 2, the temperature sensor is mainly composed of a bracket and a sensor (not shown in the figure), and also includes a quick heater 4 and a cooling structure 5, the quick heater 4 is arranged on the mounting base 1 and is located on one side of the stirrer main unit 2, the quick heater 4 is used to heat the outer wall of the container, the cooling structure 5 is installed on the mounting base 1, the cooling structure 5 is used to quickly cool the container, the quick heater 4 It includes a support column 6, an installation box 7, a mover 8 and a heating ring 9. The support column 6 is arranged on the installation base 1. The support column is provided with multiple groups. The installation box 7 is arranged on the support column 6. The mover 8 is arranged on the installation box 7. The heating ring 9 is arranged on the mover 8. The heating ring 9 is symmetrically provided with two groups. The heating ring is composed of an outer shell, a heating rod and a controller. The controller controls the internal heating rod. The temperature of the controller is the same as that set by the agitator host. The inner wall of the outer shell is a heat-conducting material. In order to increase the contact, a soft heat-conducting material can be pasted on it. It has a certain buffering property and can better contact with the container. The installation box 7 is provided with a moving port 10.

[0022] The mover 8 includes a power device 11, a limit rod 12, a limit seat 13 and a connecting frame 14. The power device 11 is arranged in the installation box 7, the limit rod 12 is arranged on the installation box 7, the limit seat 13 is provided with two groups, the limit seat 13 is slidably sleeved on the limit rod 12, the connecting frame 14 is provided with two groups, the connecting frame 14 is installed on the limit seat 13 and passes through the moving port 10, and the heating ring 9 is arranged on the connecting frame 14.

[0023] The power device 11 includes a forward and reverse screw 15 and a nut 16. The forward and reverse screw 15 is rotatably arranged on the installation box 7. The nut 16 is threadedly connected to the forward and reverse screw 15. Two groups of nuts 16 are symmetrically arranged and are respectively connected to a group of limit seats 13; a motor 17 is arranged on the installation box 7, and the output shaft of the motor 17 is connected to the forward and reverse screw 15. The motor 17 is a forward and reverse motor.

[0024] The cooling structure 5 includes a mounting frame 18 and a heat dissipation fan 19 . The mounting frame 18 is mounted on the mounting seat 1 . Two groups of mounting frames 18 are symmetrically arranged. The heat dissipation fan 19 is installed between the two groups of mounting frames 18 .

[0025] A plurality of foot pads 20 are disposed at the bottom of the mounting base 1 .

[0026] When using it specifically: put the container on the designated position of the disk of the mixer main unit 2, install the sensor on the temperature sensor 3, and if you need to heat up quickly, you can start the motor 17 to drive the forward and reverse screws 15 to rotate, drive the nut 16 to move toward the center, then pull the limit seat 13 to move toward the center, and the heating ring 9 to move toward the center to reach the outer wall of the container, start the heating ring 9 to heat the container, and put the magnet into the container for stirring. When dissipating heat, reverse the motor 17, move the heating ring 9 to both sides, and start the cooling fan 19 to dissipate heat from the container.

[0027] It should be understood that although this specification is described according to implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A magnetic stirrer for heating and cooling, comprising a mounting base, a stirrer main unit and a temperature sensor, wherein the stirrer main unit is arranged on the mounting base, and the temperature sensor is installed on the mounting base and is located on one side of the stirrer main unit, characterized in that: It also includes a quick heater and a cooling structure, wherein the quick heater is arranged on a mounting seat and is located on one side of the agitator main unit, the quick heater is used to heat the outer wall of the container, the cooling structure is installed on the mounting seat, and the cooling structure is used to quickly cool the container, the quick heater includes a support column, an installation box, a mover and a heating ring, the support column is arranged on the mounting seat, the installation box is arranged on the support column, the mover is arranged on the installation box, the heating ring is arranged on the mover, and the heating ring is symmetrically arranged in two groups.

2. A magnetic stirrer for heating and cooling according to claim 1, characterized in that: The installation box is provided with a moving opening.

3. A magnetic stirrer for heating and cooling according to claim 1, characterized in that: The mover includes a power device, a limit rod, a limit seat and a connecting frame. The power device is arranged in an installation box, the limit rod is arranged on the installation box, the limit seat is provided with two groups, the limit seat is slidably sleeved on the limit rod, the connecting frame is provided with two groups, the connecting frame is installed on the limit seat and passes through the moving port, and the heating ring is arranged on the connecting frame.

4. A magnetic stirrer for heating and cooling according to claim 3, characterized in that: The power device includes forward and reverse screws and nuts. The forward and reverse screws are rotatably arranged on the installation box, and the nuts are threadedly connected to the forward and reverse screws. Two groups of nuts are symmetrically arranged and are respectively connected to one group of limit seats.

5. A magnetic stirrer for heating and cooling according to claim 2, characterized in that: The installation box is provided with a motor, the output shaft of the motor is connected with the forward and reverse screw rods, and the motor is a forward and reverse motor.

6. A magnetic stirrer for heating and cooling according to claim 1, characterized in that: The cooling structure comprises a mounting frame and a heat dissipation fan. The mounting frame is mounted on a mounting seat. Two groups of mounting frames are symmetrically arranged. The heat dissipation fan is mounted between the two groups of mounting frames.

7. A magnetic stirrer for heating and cooling according to claim 1, characterized in that: A plurality of foot pads are arranged at the bottom of the mounting seat.

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