Three-dimensional magnetic field generator with uniform magnetic field

By designing a three-dimensional magnetic field generator with adjustable coils and cooling tanks, the problems of magnetic field uniformity and compatibility were solved, enabling multi-scenario adaptation and long-term stable operation, suitable for various optical microscopes and light sources.

CN223638182UActive Publication Date: 2025-12-05TECHNICAL INST OF PHYSICS & CHEMISTRY - CHINESE ACAD OF SCI
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202423188260.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-24
Publication Date
2025-12-05
Estimated Expiration
2034-12-24

AI Technical Summary

Technical Problem

Existing three-dimensional magnetic field generators suffer from poor uniformity of the three-dimensional magnetic field, lack of multi-functional adjustment capabilities, inadequate cooling device design, and difficulty in compatibility with various optical microscope configurations and light sources.

Method used

A three-dimensional magnetic field generator comprising a base and a shield was designed, employing an adjustable coil structure and cooling tank, combined with a variable power supply and controller, to achieve uniformity and stability of the magnetic field, and is compatible with a variety of optical microscopes and light sources.

Benefits of technology

It achieves uniformity of the three-dimensional magnetic field, supports multiple scenarios, ensures stable operation of the equipment for a long time, and is compatible with a variety of optical microscopes and light sources.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223638182U_ABST
    Figure CN223638182U_ABST
Patent Text Reader

Abstract

The utility model provides a three-dimensional magnetic field generator with a uniform magnetic field, which comprises a base and a shade, the shade used for protecting the upper side structure of the base is movably arranged on the upper side of the base, the base comprises a bottom plate, a coil I, a sample groove and a coil II, the sample groove used for placing a glass slide is arranged in the middle of the upper surface of the bottom plate, and the coil II is arranged in the sample groove. Compared with the prior art, the device has the following beneficial effects that the base and the shade are arranged, and the coils I, the coils II and the coils III are arranged on the base and the shade, so that a three-dimensional magnetic field in the center of the sample groove is uniformly designed; the coil I, the coil II and the coil III all adopt adjustable parameter setting, multi-scene requirements can be met, a cooling groove is formed in the base, liquid nitrogen is injected into the cooling groove to cool the coil I and the coil II, long-time stable operation of equipment is guaranteed, and the whole device can be highly compatible with an inverted microscope and various light source configurations.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model belongs to three -dimensional magnetic field generator technical field, especially relates to a three -dimensional magnetic field generator of magnetic field uniformity. BACKGROUND

[0002] In the micro and millimeter level particle research, the combination of magnetic field control technology and optical microscopy technology is often used for observation and research, and three-dimensional magnetic field control is a key technology.However, in the prior art, the magnetic field generator has the following problems:

[0003] 1. Poor three-dimensional magnetic field uniformity, difficult to meet the demand of accurate control;

[0004] 2. Lack of multi-functional adjustment ability, unable to observe micron and millimeter scale;

[0005] 3. Insufficient cooling device design, equipment is easy to overheat when working for a long time;

[0006] 4. Difficult to be compatible with various optical microscope configurations and light sources;

[0007] Based on the defects of the existing magnetic field generator, we hope to design a three-dimensional magnetic field generator with a new structure to solve this problem. INVENTION CONTENTS

[0008] In view of the deficiencies in the prior art, the utility model aims at providing a three-dimensional magnetic field generator with uniform magnetic field to solve the problems in the background art.

[0009] The utility model discloses the following technical scheme realizes: a three-dimensional magnetic field generator with uniform magnetic field, comprising: base, shade, the base upper side swing installation is used for protecting the shade to the base upper side structure, the base includes bottom plate, coil no.

[0010] The bottom plate upper surface middle part is provided with the sample groove for placing the glass slide, and one coil no.2 is installed on the left side and the right side of the bottom plate upper surface respectively, one coil no.1 is installed on the front side and the back side of the bottom plate upper surface respectively, and the coil no.3 is installed in the sample groove;

[0011] The rectangular through slot is formed in the middle of the upper surface of the shield, and a position giving through slot is arranged in the middle of the front surface, the middle of the rear surface, the middle of the left surface and the middle of the right surface, respectively, in actual use, the same type of magnetic induction coil (coil one, coil two) is placed in the installation slot one and the installation slot two (X axis, Y axis plane), which is formed by winding copper wire around an insulating flame-retardant ceramic cylinder, the middle of the insulating flame-retardant ceramic cylinder is hollow and a stainless steel column is placed therein to enhance the magnetic field strength, the size, length and hollow size of the insulating flame-retardant ceramic cylinder in the coil one and the coil two can be adjusted, and the diameter and number of turns of the copper wire can be adjusted; the size of the stainless steel column can be adjusted, and other materials can also be placed or replaced;

[0012] The coil three on the Z axis can be divided into three types according to actual use, and the coil three on the Z axis is recorded as magnetic induction coil one, magnetic induction coil two and magnetic induction coil three according to different use, the magnetic induction coil one on the Z axis is the same as the coil one and the coil two on the X axis and the Y axis plane, the magnetic induction coil two on the Z axis is the same as the coil one and the coil two on the X axis and the Y axis plane without the stainless steel column, and the magnetic induction coil three on the Z axis is a magnetic induction coil with a fixed height of 1 cm, a hollow diameter of 1.5 cm and no stainless steel column, thereby meeting the needs of various optical microscope configurations and light sources;

[0013] In actual use, the entire device is also equipped with a power supply and a controller, a direct current 36V variable electric workstation, which needs to provide three output ports, a single output port with a power of 50W, a controller can select a raspberry pie to increase a circuit breaker for control, control the power-on condition, including the number of power-on magnetic induction coils, frequency, time, current intensity (magnetic field intensity).

[0014] As a preferred embodiment, the upper surface edge of the bottom plate is recessed downward to form a clamping groove, and the clamping groove is a square structure groove.

[0015] As a preferred embodiment, the left side and the right side of the upper surface of the bottom plate are respectively provided with one installation slot two, and the front side and the rear side of the upper surface of the bottom plate are respectively provided with one installation slot one.

[0016] As a preferred embodiment, the structure and size of the installation slot one are the same as those of the installation slot two, and the bottom of each installation slot one and installation slot two is recessed downward to form a strip-shaped communication port.

[0017] As a preferred embodiment, the bottom of each communication port is in communication with a cooling groove, and four cooling grooves are arranged at the bottom of two installation slot ones and two installation slot twos, in actual use, the cooling grooves can be filled with liquid nitrogen to cool the coil one and the coil two.

[0018] As a preferred embodiment, the upper side interior and the lower side interior of the sample tank are provided with a mounting cavity, the middle of the sample tank is provided with a boss one, the middle interior of the boss one is provided with a boss two, the length and the width of the boss two are smaller than the length and the width of the boss one, and the upper surface height of the boss one is higher than the upper surface height of the boss two.

[0019] As a preferred embodiment, the length and the width of the rectangular through slot are matched with the length and the width of the cross section of the sample tank respectively, and the length and the width of the cover are matched with the length and the width of the clamping slot respectively.

[0020] After the above technical scheme is adopted, the beneficial effects of the present application are as follows: through the setting of the base and the cover, the setting of the coil one, the coil two and the coil three, the center three-dimensional magnetic field of the sample tank is designed to be uniform, the coil one, the coil two and the coil three are all set to be adjustable parameters, which can meet the requirements of multiple scenes, the cooling groove is set on the base and filled with liquid nitrogen to cool the coil one and the coil two, which ensures the stable operation of the equipment for a long time, and the whole device can be highly compatible with the inverted microscope and multiple light sources. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0022] Figure 1 It is a whole structure schematic view of the three-dimensional magnetic field generator with uniform magnetic field.

[0023] Figure 2 It is a schematic view of the connection between the base plate and the coil one and the coil two of the three-dimensional magnetic field generator with uniform magnetic field.

[0024] Figure 3 It is a schematic view of the connection between the base and the cover of the three-dimensional magnetic field generator with uniform magnetic field.

[0025] Figure 4 It is a schematic view of the connection between the coil three and the base of the three-dimensional magnetic field generator with uniform magnetic field.

[0026] In the figure, 100 is a base, 110 is a base plate, 111 is a clamping slot, 112 is a mounting groove two, 113 is a communication port, 114 is a mounting groove one, 120 is a coil one, 130 is a sample tank, 131 is a boss one, 132 is a mounting cavity, 140 is a coil two, 150 is a coil three.

[0027] 200 - mask, 210 - rectangular through slot, 220 - let go through slot. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be apparently and completely described in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0029] Please refer to Figures 1 to 4 The utility model provides a kind of technical scheme: a three-dimensional magnetic field generator of uniform magnetic field, comprising: base 100, mask 200, the mask 200 for protecting the structure on the upper side of base 100 is movably installed on the upper side of base 100, base 100 includes bottom plate 110, coil one 120, sample groove 130 and coil two 140;

[0030] sample groove 130 for placing glass slide is arranged in the middle of the upper surface of bottom plate 110, one coil two 140 is respectively mounted on the left side and the right side of the upper surface of bottom plate 110, one coil one 120 is respectively mounted on the front side and the back side of the upper surface of bottom plate 110, coil three 150 is installed inside sample groove 130;

[0031] rectangular through slot 210 is formed in the middle of the upper surface of mask 200 downwards, let go through slot 220 is respectively arranged in the middle of front surface, the middle of back surface, the middle of left surface and the middle of right surface of mask 200, in actual use, (X axis, Y axis plane) for the same class magnetic induction coil (coil one 120, coil two 140) placed in mounting groove one 114 and mounting groove two 112, it is formed using copper wire winding insulating fire-retardant ceramic cylinder, hollow in the middle of insulating fire-retardant ceramic cylinder and place stainless steel column for enhancing magnetic field intensity, the size, length, hollow size of insulating fire-retardant ceramic cylinder in coil one 120, coil two 140 can be adjusted, copper wire diameter, number of turns can be adjusted;Stainless steel column size can be adjusted, also can not be placed or replace other materials;

[0032] The coil three 150 on the Z axis can be divided into three types of structures according to actual use, and the coil three 150 on the Z axis is recorded as a magnetic induction coil one, a magnetic induction coil two and a magnetic induction coil three according to different use, the magnetic induction coil one on the Z axis is the same as the coil one 120 and the coil two 140 on the X axis and the Y axis plane, the magnetic induction coil two on the Z axis is the coil one 120 and the coil two 140 on the X axis and the Y axis plane without the stainless steel iron column, and the magnetic induction coil three on the Z axis is a magnetic induction coil with a fixed height of 1cm and a hollow diameter of 1.5cm without the stainless steel iron column, so as to meet the needs of various optical microscope configurations and light sources.

[0033] In actual use, the whole device is also matched with a power supply and a controller, a direct current 36V variable electric workstation needs to provide three output ports, and a single output port with a power of 50W can be used, and the controller can select a raspberry pie to increase a circuit breaker to control the power-on condition, including the number, frequency, time and current intensity (magnetic field intensity) of the power-on magnetic induction coil.

[0034] As a first embodiment of the utility model, the coil one 120, the coil two 140 and the coil three 150 are arranged to make the center three-dimensional magnetic field of the sample groove 130 uniform, the coil one 120, the coil two 140 and the coil three 150 are all adjustable parameter settings, which can meet the needs of multiple scenes, and the cooling groove is arranged on the base 100 and liquid nitrogen is injected to cool the coil one 120 and the coil two 140, so as to ensure the stable operation of the equipment for a long time, and the whole device can be highly compatible with the inverted microscope and various light sources.

[0035] Please refer to Figures 1 to 4 The bottom plate 110 is provided with a clamping groove 111 formed by the downward recess of the upper surface edge of the bottom plate 110.

[0036] The bottom plate 110 is provided with a clamping groove 111 formed by the downward recess of the upper surface edge of the bottom plate 110.

[0037] The structure and size of the mounting groove one 114 are the same as those of the mounting groove two 112, and the bottom of each mounting groove one 114 and the mounting groove two 112 is recessed downward to form a communication port 113 in a strip structure.

[0038] The bottom of each communication port 113 is in communication with a cooling groove, and four cooling grooves are arranged at the bottom of the two mounting grooves one 114 and the two mounting grooves two 112.

[0039] The upper inner side and the lower inner side of the sample groove 130 are respectively provided with an installation cavity 132, the middle of the sample groove 130 is provided with a boss one 131, the middle inner side of the boss one 131 is provided with a boss two, the length and the width of the boss two are all less than the length and the width of the boss one 131, and the upper surface height of the boss one 131 is higher than the upper surface height of the boss two.

[0040] The length and the width of the rectangular through groove 210 are matched with the length and the width of the cross section of the sample groove 130 respectively, and the length and the width of the cover 200 are matched with the length and the width of the clamping groove 111 respectively.

[0041] As a second embodiment of the utility model, based on the above first embodiment, by setting the base 100 and the cover 200, in actual use, for case 1: microscopic observation of the movement of micron particles on the X-axis and Y-axis plane, only the coil one 120 and the coil two 140 on the X-axis and Y-axis plane can be used, before observation, the cover 200 is taken off, then the corresponding coil one 120 and coil two 140 are taken up, the external liquid nitrogen is injected into the corresponding cooling groove through the communication port 113 at the bottom of the installation groove one 114 and the installation groove two 112, when the coil one 120 and the coil two 140 work, the liquid nitrogen in the cooling groove can cool the coil one 120 and the coil two 140 through the communication port 113, then the time, the frequency and the magnetic field strength can be set through the external matched controller, then observation can be carried out, at this time, the microscope placement condition and the light source condition are irrelevant.

[0042] For case 2: microscopic observation of the movement of micron particles on the X-axis, Y-axis and Z-axis plane, the external microscope is an inverted microscope and is a bottom light source, at this time, the Z-axis magnetic induction coil one is selected as the Z-axis magnetic induction coil, the magnetic induction coil one is installed in the installation cavity 132 on the upper side of the sample groove 130, the glass slide is placed on the boss two, and other settings are the same as those in case 1.

[0043] For case 3: microscopic observation of the movement of micron particles on the X-axis, Y-axis and Z-axis plane, the inverted microscope is a top light source, at this time, the Z-axis magnetic induction coil two is selected as the Z-axis magnetic induction coil, the magnetic induction coil two is installed in the installation cavity 132 on the lower side of the sample groove 130, the glass slide is placed on the boss two, and other settings are the same as those in case 1.

[0044] For case 4: observation of the movement of millimeter particles on the X-axis, Y-axis and Z-axis plane, the inverted microscope is a bottom light source, at this time, the Z-axis magnetic induction coil one is selected as the top Z-axis coil, the Z-axis magnetic induction coil two is selected as the bottom Z-axis coil, the overall magnetic field strength is strengthened, the magnetic induction coil one is installed in the installation cavity 132 on the upper side of the sample groove 130, the magnetic induction coil two is installed in the installation cavity 132 on the lower side of the sample groove 130, the glass slide is placed on the boss two, and other settings are the same as those in case 1.

[0045] For case 5: observe the motion of millimeter particles on the X-axis, Y-axis and Z-axis plane, invert the microscope and make the top light source, at this time, select the Z-axis magnetic coil two as the top Z-axis coil and the Z-axis magnetic coil three as the bottom Z-axis coil to strengthen the overall magnetic field strength, the magnetic coil two is installed in the installation cavity 132 on the upper side of the sample tank 130, the magnetic coil three is installed in the installation cavity 132 on the lower side of the sample tank 130, the slide is placed on the convex post two, and other settings are the same as those in case 1.

[0046] The above merely describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A three-dimensional magnetic field generator with uniform magnetic field, comprising: Base (100), cover (200), characterized in that, the base (100) upper side movable mounting for the base (100) upper side structure protection cover (200), the base (100) includes bottom plate (110), coil one (120), sample groove (130) and coil two (140); The upper surface of the bottom plate (110) is provided with a sample groove (130) for placing a slide, and one coil two (140) is installed on the left and right sides of the upper surface of the bottom plate (110), respectively, and one coil one (120) is installed on the front and rear sides of the upper surface of the bottom plate (110), respectively, and a coil three (150) is installed inside the sample groove (130); The upper surface of the cover (200) is formed with a rectangular through slot (210) downwardly penetrating, and one let go through slot (220) is arranged on the front surface, rear surface, left surface and right surface of the cover (200), respectively.

2. A three-dimensional magnetic field generator of uniform magnetic field according to claim 1, characterized in that: The upper surface of the bottom plate (110) is recessed to form a clamping groove (111) downwardly, which is a square structure groove.

3. A three-dimensional magnetic field generator of uniform magnetic field according to claim 2, characterized in that: The left and right sides of the upper surface of the bottom plate (110) are respectively provided with one mounting groove two (112), and the front and rear sides of the upper surface of the bottom plate (110) are respectively provided with one mounting groove one (114).

4. A three-dimensional magnetic field generator of uniform magnetic field according to claim 3, characterized in that: The structure and size of the mounting groove one (114) are the same as those of the mounting groove two (112), and the bottom of each mounting groove one (114) and mounting groove two (112) is recessed to form a communication port (113) in strip structure.

5. A three-dimensional magnetic field generator of uniform magnetic field according to claim 4, characterized in that: The bottom of each communication port (113) is communicated with a cooling groove, and four cooling grooves are arranged at the bottom of two mounting groove one (114) and two mounting groove two (112), respectively.

6. A three-dimensional magnetic field generator of uniform magnetic field according to claim 5, characterized in that: The upper and lower interiors of the sample groove (130) are provided with one mounting cavity (132), respectively, the middle of the sample groove (130) is provided with a boss one (131), the middle interior of the boss one (131) is provided with a boss two, the length and width of the boss two are less than the length and width of the boss one (131), and the height of the upper surface of the boss one (131) is higher than that of the boss two.

7. A three-dimensional magnetic field generator of uniform magnetic field according to claim 6, characterized in that: The length and width of the rectangular through slot (210) are matched with the length and width of the cross section of the sample groove (130), respectively, and the length and width of the cover (200) are matched with the length and width of the clamping groove (111), respectively.