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A magnetic field drive device for a micro-nano robot for a microscope with air-cooling function

A magnetic field drive, microscope technology, applied in the direction of electromagnet without armature, transformer/inductor parts, transformer/reactor installation/support/suspension, etc. Affecting problems such as micro-nano robot observation, to achieve the effect of large magnetic field strength

Active Publication Date: 2021-12-10
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Most of the existing Helmholtz coils do not have a heat dissipation system. The heat generated by the energized coil cannot be dissipated in time to make the coil temperature too high, and it is easy to break down the insulation layer of the enameled wire and cause a short circuit.
At the same time, the high temperature of the observation area in the center of the coil will also affect the observation of the micro-nano robot, and even affect its reaction in the solution, causing great trouble to the experimenters

Method used

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  • A magnetic field drive device for a micro-nano robot for a microscope with air-cooling function
  • A magnetic field drive device for a micro-nano robot for a microscope with air-cooling function
  • A magnetic field drive device for a micro-nano robot for a microscope with air-cooling function

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Experimental program
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Effect test

specific Embodiment approach 1

[0030] Combine below Figure 1-8 Describe this embodiment, a magnetic field drive device for a micro-nano robot with an air-cooling function, including a bottom support structure 1, a stage support structure 2, an air-cooled heat sink 3, a special-shaped Helmholtz coil 5, and a Z-direction A standard Helmholtz coil 6, the bottom support structure 1 is fixedly connected with a special-shaped Helmholtz coil 5, the special-shaped Helmholtz coil 5 is fixedly connected with a stage support structure 2, and the special-shaped Helmholtz coil The upper and lower sides of the 5 are fixedly connected with Z-direction standard Helmholtz coils 6, and both sides of the Y-direction of the special-shaped Helmholtz coil 5 are provided with air-cooled heat dissipation devices 3; The design can meet the requirements of the limited installation space of the microscope, and can generate a magnetic field with a large magnetic field strength and a wide range of uniform magnetic field according to t...

specific Embodiment approach 2

[0031] Combine below Figure 1-8 Describe this embodiment, this embodiment will further explain Embodiment 1, the special-shaped Helmholtz coil 5 is composed of two X-direction special-shaped Helmholtz coils 5-1 and two Y-direction special-shaped Helmholtz coils 5 -2 components, X-direction special-shaped Helmholtz coil 5-1 and Y-direction special-shaped Helmholtz coil 5-2 have different center distances and coil theoretical radii; standard Helmholtz coils require coil theoretical radius and coil center The distances are equal. When the theoretical radius of the coil is determined, the center distance between the coils is determined accordingly. However, the diameter of the lens of the microscope is large, and the lens cannot be placed in the center of the coil. It is necessary to adjust the center distance between the coils to make the distance between the coil centers of the Helmholtz coil Not equal to the theoretical radius of the coil, the standard Helmholtz coil is design...

specific Embodiment approach 3

[0032] Combine below Figure 1-8This embodiment will be described. This embodiment will further describe the second embodiment. The X-direction special-shaped Helmholtz coil 5-1 includes an X-direction special-shaped Helmholtz coil inner support plate 5-1-1, a fixed connection copper Column 5-1-2 and X-direction special-shaped Helmholtz coil outer support plate 5-1-3, X-direction special-shaped Helmholtz coil inner support plate 5-1-1 and X-direction special-shaped Helmholtz coil outer The support plates 5-1-3 are connected by a plurality of fixedly connected copper columns 5-1-2, and the outer side of the plurality of fixedly connected copper columns 5-1-2 and the inner support plate 5- A U-shaped groove is formed between 1-1 and the outer support plate 5-1-3 of the X-direction special-shaped Helmholtz coil, and an X-direction special-shaped Helmholtz coil is wound in the U-shaped groove.

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Abstract

The invention relates to the field of magnetic field drive control of micro-nano robots, more specifically a magnetic field drive device for micro-nano robots for microscopes with air-cooling function, including a bottom support structure, a stage support structure, an air-cooled heat dissipation device, a special-shaped The special-shaped Helmholtz coil is fixedly connected to the bottom support structure, and the supporting structure of the stage is fixedly connected to the special-shaped Helmholtz coil. Z-direction standard Helmholtz coils are fixedly connected to the upper and lower sides of the Z-coil, and air-cooled heat dissipation devices are installed on both sides of the special-shaped Helmholtz coil in the Y-direction, which can be realized through the special-shaped design of the special-shaped Helmholtz coil. It is suitable for the limited installation space of the microscope, and can generate a magnetic field with a large magnetic field strength and a wide range of uniform magnetic field according to the experimental requirements; at the same time, the device is also equipped with an air-cooled heat dissipation device to meet the requirements of the experimenters for long-term experimental observations using the magnetic field drive device Require.

Description

technical field [0001] The invention relates to the field of magnetic field drive control of micro-nano robots, in particular to a magnetic field drive device for micro-nano robots for microscopes with an air-cooling function. Background technique [0002] A Helmholtz coil is a device that creates a uniform magnetic field over a small area. Because of its good open properties, Helmholtz coils are often used in physical experiments. Named after German physicist Hermann von Helmholtz. The principle of its magnetic field generation is to generate a nearly uniform signal magnetic field in two opposing coils by passing an excitation current into the coil. The magnitude and frequency of the magnetic field are determined by the intensity of the excitation current and the frequency of the current. [0003] Most of the existing Helmholtz coils are designed as standard Helmholtz coils due to the lack of limited space, that is, the center distance of the coil is equal to the theoret...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01F7/20H01F27/30H01F27/29H01F27/08H01F27/22H01F27/06
CPCH01F7/202H01F27/306H01F27/29H01F27/2876H01F27/085H01F27/22H01F27/06
Inventor 李天龙马宁泽于世民于豪孙浩然代礼周李牧张广玉
Owner HARBIN INST OF TECH
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