Magnetic fluid interaction device

Abstract

A magnetofluid interaction device comprises a display assembly, a magnet panel and a magnet assembly. According to the utility model, enlightenment knowledge education and the magnetic fluid with changeable forms are combined, the interesting magnetic fluid, diversified patterns and free creation characteristics can greatly improve the learning interest of children, the intelligence can be developed, the imagination and creativity can be cultivated, and the magnetic fluid toy can be used as a decompression entertainment toy suitable for people of all ages. A user can carry out teaching and science popularization through the magnetic fluid teaching aid, can feel the physical morphology of science magical and elegant presented by the magnetic fluid, can cultivate the learning interest, and has great educational significance. The toy can also be used as a leisure and entertainment product, and has both educational property and entertainment.

Description

Technical Field

[0001] The utility model relates to the field of popular science exhibits, teaching aids or toys, and in particular to a magnetic fluid interactive device. Background Art

[0002] The characteristics of high-quality children's enlightenment knowledge education are to visualize, image and dynamize knowledge, such as using animation, cards, games and other forms to realize the enlightenment teaching of numbers, letters, Chinese characters, etc. The purpose of visualization, image and dynamism is to deepen brain stimulation, give knowledge pattern association, and achieve a learning effect of combining education with entertainment. If the sci-fi and elegant dynamic flow effect of magnetic fluid is combined with the elements of jigsaw puzzles, the visualization, image and dynamic display of children's enlightenment knowledge can be realized, and the display pattern can be created by users themselves. This will be a new creative educational teaching aid and a stress-relieving entertainment toy suitable for all ages.

[0003] Magnetic fluid is a new functional material that has both the fluidity of liquid and some properties of solid magnetic materials. Due to the "liquid-solid phase change" characteristics of magnetic fluid, the application principle of magnetic fluid is mostly based on its directional pointing or movement after being attracted by a magnet. Based on different magnetic field strengths and magnetic field distributions, rich flow effects can be achieved for artistic displays and scientific demonstrations to achieve educational and entertainment value. Utility Model Content

[0004] The utility model aims to provide a magnetic fluid interactive device, comprising: a display component, a magnet panel and a magnet component.

[0005] The display assembly includes a housing and a container.

[0006] The container is made of transparent material.

[0007] The container contains magnetic fluid and a transparent medium that is immiscible with the magnetic fluid or only contains the magnetic fluid, and the rest is vacuum.

[0008] The transparent medium includes aqueous liquid, oily liquid or air.

[0009] When the transparent medium is air, the inner wall of the container contains a coating that is incompatible with the magnetic fluid.

[0010] When the container contains only magnetic fluid and the rest is vacuum, the inner wall of the container contains a coating that is incompatible with the magnetic fluid.

[0011] The magnet panel is connected to the back of the housing of the display assembly.

[0012] The magnet panel has an array of sockets.

[0013] The magnet assembly is inserted into the array insertion hole, so that the magnetic fluid in the container displays a shape corresponding to the magnetic field distribution property of the inserted magnet assembly.

[0014] Furthermore, the magnet assembly includes a single or multiple point magnets.

[0015] The single point magnet is inserted into one of the array holes of the magnet panel, so that the magnetic fluid in the container displays a shape corresponding to the magnetic field distribution property of the point magnet.

[0016] The multiple point magnets are randomly arranged and inserted into the array sockets of the magnet panel to arrange a desired shape, so that the magnetic fluid in the container displays a shape corresponding to the magnetic field distribution properties of the multiple point magnets arranged.

[0017] When the magnetic fluids corresponding to the adjacent point magnets are displayed in a connected state, the magnetic poles of the adjacent point magnets are anisotropic.

[0018] When the magnetic fluids corresponding to the adjacent point magnets are displayed in a separated state, the magnetic poles of the adjacent point magnets are of the same polarity.

[0019] Furthermore, the magnet assembly includes a magnet template and a plurality of point magnets.

[0020] A plurality of point magnets forming a specific shape are fixedly arranged on the magnet template.

[0021] The specific shapes include but are not limited to numbers, letters, Chinese characters, and patterns.

[0022] The point magnets correspond to the sockets of the array sockets.

[0023] The point magnets are inserted into the sockets of the array sockets, so that the magnetic fluid in the container displays the shape corresponding to the magnetic field distribution properties of the point magnets arranged on the magnet template.

[0024] Furthermore, the magnet template also includes a plurality of alignment holes.

[0025] The alignment hole corresponds to the socket of the array socket.

[0026] The alignment holes are used to assist in the alignment of fixing the magnet template on the array socket.

[0027] Furthermore, the magnet assembly also includes a gripping finger.

[0028] The gripping finger is located at the centroid or shape centroid of the magnet assembly.

[0029] Furthermore, the magnetic fluid interaction device also includes a detachable base.

[0030] The detachable base is connected to the display assembly.

[0031] The detachable base is provided with a rotating mechanism inside to control the rotation of the display component.

[0032] Furthermore, a magnetic conduction isolation layer is also provided between the magnet panel and the display component.

[0033] The magnetic conduction isolation layer is used to strengthen and homogenize the magnetic field distribution between adjacent point magnets.

[0034] Furthermore, the magnet panel also includes a number of reference lines.

[0035] The reference lines include horizontal reference lines and vertical reference lines.

[0036] The reference lines are used for the auxiliary alignment of magnet components with horizontal or vertical edge features.

[0037] The technical effect of the present utility model is beyond doubt. The beneficial effects of this product are as follows: users can personally experience the science fiction and elegant physical phenomenon of magnetohydrodynamic phase change presented by magnetohydrodynamics through this utility model, which has the popular science significance for nano-magnetohydrodynamic intelligent materials; users can freely combine patterns and give full play to their imagination and creativity by combining with the wonderful flowing form of magnetohydrodynamics. It is a very interesting creative toy and also a stress relief toy; it is especially suitable for children's enlightenment knowledge education, and uses magnetohydrodynamics to present the flowing form of knowledge patterns, which is an educational creative learning teaching aid that combines education with entertainment, and can cultivate children's imagination and creativity at the same time.

[0038] The present utility model combines enlightenment knowledge education with magnetohydrodynamics with various forms. The characteristics of highly interesting magnetohydrodynamics, diverse patterns, and free creation can greatly enhance children's learning interest, and can also develop intelligence, cultivate imagination and creativity, and can also be used as a stress relief and entertainment toy suitable for all ages. Users can conduct teaching and popular science through this utility model, feel the science fiction and elegant physical appearance presented by magnetohydrodynamics, cultivate learning interest, and have great educational significance. The present utility model can also be used as a leisure and entertainment product, combining education and entertainment. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] Figure 1 It is a schematic diagram of the present utility model showing patterns such as "big" and "country" with magnetohydrodynamics;

[0040] Figure 2 It is a rear view of the magnet template of the present utility model showing "big" and "country";

[0041] Figure 3 It is a schematic diagram of the finger-holding part of the magnet template of the present utility model;

[0042] Figure 4 It is a schematic diagram of the magnetic conduction isolation layer of the present utility model;

[0043] In the figure, display component 1, container 2, magnetic fluid 3, transparent medium or vacuum 4, detachable base 5, magnet panel 6, array jack 7, magnetic attraction 8, magnet template 9, point magnet 10, gripping finger 11, reference line 12, horizontal reference line 12-1, vertical reference line 12-2, alignment hole 13, and magnetic conductive barrier 14. DETAILED DESCRIPTION

[0044] The present invention is further described below in conjunction with the embodiments, but it should not be understood that the above subject matter of the present invention is limited to the following embodiments. Without departing from the above technical ideas of the present invention, various substitutions and changes are made according to the common technical knowledge and conventional means in the field, which should be included in the protection scope of the present invention.

[0045] Embodiment 1:

[0046] See also Figures 1 to 4 , a magnetic fluid interaction device, including: a display component 1, a magnet panel 6, and a magnet component.

[0047] The display assembly 1 includes a housing and a container 2 .

[0048] The container 2 is made of transparent material.

[0049] The container 2 contains a magnetic fluid 3 and a transparent medium that is immiscible with the magnetic fluid 3 or only contains the magnetic fluid 3, and the rest is vacuum.

[0050] The transparent medium includes aqueous liquid, oily liquid or air.

[0051] When the transparent medium is air, the inner wall of the container 2 contains a coating that is incompatible with the magnetic fluid 3 .

[0052] When the container 2 contains only the magnetic fluid 3 and the rest is a vacuum, the inner wall of the container 2 contains a coating that is incompatible with the magnetic fluid 3 .

[0053] The magnet panel 6 is connected to the back of the housing of the display assembly 1 .

[0054] The magnet panel 6 has an array of insertion holes 7 .

[0055] The magnet assembly is inserted into the array insertion hole 7, so that the magnetic fluid 3 in the container 2 displays a shape corresponding to the magnetic field distribution property of the inserted magnet assembly.

[0056] Embodiment 2:

[0057] A magnetic fluid interaction device, the main technical content of which is shown in Example 1. Furthermore, the magnet assembly includes a single or multiple point magnets 10.

[0058] The single point magnet 10 is inserted into one of the array holes 7 of the magnet panel 6 , so that the magnetic fluid 3 in the container 2 displays a shape corresponding to the magnetic field distribution property of the point magnet 10 .

[0059] The multiple point magnets 10 are randomly arranged and inserted into the array sockets 7 of the magnet panel 6 to arrange a desired shape, so that the magnetic fluid 3 in the container 2 displays a shape corresponding to the magnetic field distribution properties of the multiple point magnets 10 arranged.

[0060] When the magnetic fluids corresponding to the adjacent point magnets 10 are in a connected state, the magnetic poles of the adjacent point magnets 10 are of opposite polarity.

[0061] When the magnetic fluids corresponding to the adjacent point magnets 10 are in a separated state, the magnetic poles of the adjacent point magnets 10 are of the same polarity.

[0062] Embodiment 3:

[0063] A magnetic fluid interaction device, the main technical content of which is shown in any one of Examples 1 to 2, and further, the magnet assembly includes a magnet template 9 and a plurality of point magnets 10.

[0064] A plurality of point magnets 10 forming a specific shape are fixedly arranged on the magnet template 9 .

[0065] The specific shapes include but are not limited to numbers, letters, Chinese characters, and patterns.

[0066] The point magnets 10 correspond to the sockets of the array sockets 7 .

[0067] The point magnets 10 are inserted into the sockets of the array sockets 7 , so that the magnetic fluid 3 in the container 2 displays a shape corresponding to the magnetic field distribution properties of the point magnets 10 arranged on the magnet template 9 .

[0068] Embodiment 4:

[0069] A magnetic fluid interaction device, the main technical content of which is shown in any one of Examples 1 to 3, and further, the magnet template 9 also includes a plurality of alignment holes 13.

[0070] The alignment holes 13 correspond to the sockets of the array sockets 7 .

[0071] The alignment holes 13 are used to assist in aligning the magnet template 9 fixed to the array socket 7 .

[0072] Embodiment 5:

[0073] A magnetic fluid interaction device, the main technical content of which is shown in any one of embodiments 1 to 4, and further, the magnet assembly also includes a finger grip 11.

[0074] The gripping finger 11 is located at the centroid or shape center of the magnet assembly.

[0075] Embodiment 6:

[0076] A magnetic fluid interaction device, the main technical content of which is shown in any one of Examples 1 to 5. Further, the magnetic fluid interaction device also includes a detachable base 5.

[0077] The detachable base 5 is connected to the display assembly 1 .

[0078] The detachable base 5 has a rotating mechanism therein to control the display assembly 1 to rotate.

[0079] Embodiment 7:

[0080] A magnetic fluid interaction device, the main technical content of which is shown in any one of embodiments 1 to 6. Furthermore, a magnetic conductive spacer 14 is provided between the magnet panel 6 and the display component 1.

[0081] The magnetically conductive spacer layer 14 is used to strengthen and homogenize the magnetic field distribution between adjacent point magnets 10 .

[0082] Embodiment 8:

[0083] A magnetic fluid interaction device, the main technical content of which is shown in any one of Examples 1 to 7, and further, the magnet panel 6 also includes a plurality of reference lines 12.

[0084] The reference lines 12 include a transverse reference line 12 - 1 and a longitudinal reference line 12 - 2 .

[0085] The reference lines 12 are used to assist in the alignment of magnet assemblies having horizontal or vertical edge features.

[0086] Embodiment 9:

[0087] See also Figures 1 to 4 , a magnetic fluid interaction device, including: a display component 1, a magnet panel 6, and a magnet component.

[0088] The display assembly 1 includes a housing and a container 2 .

[0089] The container 2 is made of glass or organic transparent material.

[0090] The back side of the container 2 is not transparent.

[0091] The container 2 contains a magnetic fluid 3 and a transparent medium that is immiscible with the magnetic fluid 3 or only contains the magnetic fluid 3, and the rest is vacuum.

[0092] The transparent medium includes aqueous liquid, oily liquid or air.

[0093] When the transparent medium is air, the inner wall of the container 2 contains a coating that is incompatible with the magnetic fluid 3. Figure 1 As shown, 4 is a transparent medium.

[0094] When the container 2 contains only the magnetic fluid 3 and the rest is vacuum, the inner wall of the container 2 contains a coating that is incompatible with the magnetic fluid 3. Figure 1 As shown, 4 is a vacuum.

[0095] The magnet panel 6 is connected to the back of the housing of the display assembly 1 .

[0096] The magnet panel 6 and the housing of the display assembly 1 are connected via magnetic attraction 8 with different magnetic poles.

[0097] The magnet panel 6 can be connected to or separated from the shell. The magnet panel 6 and the magnet 8 with different magnetic poles at corresponding positions on the shell are used for quick connection of the magnet panel 6 and the shell.

[0098] The magnet panel 6 has a plurality of array insertion holes 7 for fixing point magnets 10 .

[0099] The magnet assembly is inserted into the array insertion hole 7, so that the magnetic fluid 3 in the container 2 displays a shape corresponding to the magnetic field distribution property of the inserted magnet assembly.

[0100] Embodiment 10:

[0101] A magnetic fluid interaction device, the main technical content of which is shown in Example 9. Furthermore, the magnet assembly includes a single or multiple point magnets 10.

[0102] The single point magnet 10 is inserted into one of the array holes 7 of the magnet panel 6 , so that the magnetic fluid 3 in the container 2 displays a shape corresponding to the magnetic field distribution property of the point magnet 10 .

[0103] The multiple point magnets 10 are randomly arranged and inserted into the array sockets 7 of the magnet panel 6 to arrange a desired shape, so that the magnetic fluid 3 in the container 2 displays a shape corresponding to the magnetic field distribution properties of the multiple point magnets 10 arranged.

[0104] When the magnetic fluids corresponding to the adjacent point magnets 10 are in a connected state, the magnetic poles of the adjacent point magnets 10 are of opposite polarity.

[0105] When the magnetic fluids corresponding to the adjacent point magnets 10 are in a separated state, the magnetic poles of the adjacent point magnets 10 are of the same polarity.

[0106] The opposite-sex or same-sex point magnets are distinguished by two different colors or shapes.

[0107] Embodiment 11:

[0108] A magneto - fluid interaction device, the main technical content can be seen in any one of Embodiments 9 to 10. Further, the magnet assembly includes a magnet template 9 and a number of point magnets 10.

[0109] A number of point magnets 10 are fixedly arranged on the magnet template 9 to form a specific shape.

[0110] The specific shape includes but is not limited to numbers, letters, Chinese characters, and patterns.

[0111] The point magnets 10 correspond to the jacks of the array jacks 7.

[0112] The point magnets 10 are inserted into the jacks of the array jacks 7, so that the magneto - fluid 3 in the container 2 shows the shape corresponding to the magnetic field distribution property of the number of point magnets 10 arranged on the magnet template 9.

[0113] A number of point magnets 10 are distributed along the specific shape of the magnet template 9. The protruding parts of the number of point magnets 10 protrude from the plane of the magnet template 9 that coincides with the magnet panel 6, so that the protruding parts of the number of point magnets 10 enter the array jacks 7, so as to be close to the container 2 in the display component 1, so that the magneto - fluid 3 shows the specific shape corresponding to the magnetic field distribution property of the number of point magnets 10 arranged on the magnet template 9, and the magnet template 9 is fixed on the magnet panel 6.

[0114] Embodiment 12:

[0115] A magneto - fluid interaction device, the main technical content can be seen in any one of Embodiments 9 to 11. Further, the magnet template 9 further includes a number of alignment holes 13.

[0116] The alignment holes 13 correspond to the jacks of the array jacks 7.

[0117] The alignment holes 13 are used for the auxiliary alignment of fixing the magnet template 9 on the array jacks 7.

[0118] If the magnet template 9 with a specific shape has extra point spaces other than a number of point magnets 10, the magnet template 9 has alignment holes 13 for the auxiliary alignment when the magnet template 9 is inserted into the array jacks 7, so that the number of point magnets 10 of the magnet template 9 are more easily inserted into the array jacks 7. (In the attached figure: "country" has 3 alignment holes 13, then when inserting "country", the 3 alignment holes 13 can be aligned with 3 jacks on the magnet panel 6.)

[0119] Embodiment 13:

[0120] A magneto - fluid interaction device, the main technical content can be seen in any one of Embodiments 9 to 12. Further, the magnet assembly further includes a grip finger 11.

[0121] The gripping finger 11 is located at the centroid or shape center of the magnet assembly.

[0122] The gripping finger is used as a force bearing point when a person operates the magnet assembly.

[0123] Embodiment 14:

[0124] A magnetic fluid interaction device, the main technical content of which is shown in any one of Examples 9 to 13. Furthermore, the magnetic fluid interaction device also includes a detachable base 5.

[0125] The detachable base 5 is connected to the display assembly 1 .

[0126] The display assembly 1 can be connected to or separated from the detachable base 5 .

[0127] The detachable base 5 has a rotating mechanism inside to control the display assembly 1 to rotate so as to facilitate front and back operation and viewing.

[0128] Embodiment 15:

[0129] A magnetic fluid interaction device, the main technical content of which is shown in any one of Examples 9 to 14. Furthermore, a magnetic conductive spacer 14 is provided between the magnet panel 6 and the display component 1.

[0130] The magnetically conductive spacer 14 is used to strengthen and homogenize the magnetic field distribution between adjacent point magnets 10 to optimize the display of the magnetic fluid 3 in the container 2 .

[0131] Embodiment 16:

[0132] A magnetic fluid interaction device, the main technical content of which is shown in any one of Examples 9 to 15, and further, the magnet panel 6 also includes a plurality of reference lines 12.

[0133] The reference lines 12 include a transverse reference line 12 - 1 and a longitudinal reference line 12 - 2 .

[0134] The reference lines 12 are used to assist in the alignment of magnet assemblies with horizontal or vertical edge features, so that the multiple point magnets 10 of the magnet template 9 are more easily inserted into the array insertion holes 7. (In the accompanying drawings: when inserting the "large" magnet, the horizontal reference line 12-1 and the vertical reference line 12-2 can be used to assist in the alignment at the same time)

[0135] Embodiment 17:

[0136] A magnetic fluid interactive device, the main technical content of which is shown in any one of Examples 9 to 15. Furthermore, the material of the coating that is incompatible with the magnetic fluid 3 is selected from polytetrafluoroethylene, silicone rubber, polyphenylene sulfide or polyimide to prevent the magnetic fluid from adhering to the container and affecting the effect and life of the device.

[0137] Embodiment 18:

[0138] See also Figures 1 to 4 , a magnetic fluid interaction device, the main technical contents include:

[0139] A magnetic fluid interactive device comprises a display component 1, a detachable base 5, a magnetic panel 6, and a magnetic component;

[0140] The display assembly 1 comprises a housing and a container 2;

[0141] The container 2 is made of glass or organic transparent material, and contains magnetic fluid and a transparent medium that is incompatible with the magnetic fluid, and the transparent medium is an aqueous liquid, an oily liquid or air; or the container contains only magnetic fluid and the rest is vacuum; if the transparent medium is air, or the rest is vacuum, the inner wall of the container contains a coating that is incompatible with the magnetic fluid. Figure 1 As shown, 4 is a transparent medium or a vacuum.

[0142] The display assembly 1 can be connected to or separated from the detachable base 5;

[0143] The detachable base 5 has a rotating mechanism inside, and the display assembly 1 can be rotated for front and back operation and viewing.

[0144] The magnet panel 6 has an array of insertion holes 7 for fixing point magnets, and the magnetic fluid 3 in the container 2 shows a pattern corresponding to the magnetic field distribution properties of the point magnets.

[0145] The magnet assembly is a single or multiple point magnets corresponding to the array jacks 7 , or a magnet template 9 .

[0146] The single point magnet can be inserted into a socket of the array socket 7 of the magnet panel 6, and the single point magnet has a gripping finger, which is used as a force point when a person operates the single point magnet;

[0147] The plurality of point magnets can be randomly arranged and inserted into the array insertion holes 7 of the magnet panel 6 to form a desired shape, so that the magnetic fluid 3 can display a pattern shape corresponding to the magnetic field distribution properties of the plurality of point magnets arranged;

[0148] The magnet template 9 has a specific shape (including but not limited to numbers, letters, Chinese characters, patterns, etc.), and has multiple point magnets 10 corresponding to the positions of the array jacks 7. The multiple point magnets 10 are distributed along the specific shape of the magnet template 9. The multiple point magnets 10 protrude from the plane where the magnet template 9 and the magnet panel 6 overlap, so that the protruding parts of the multiple point magnets 10 enter the array jacks 7, so as to be close to the container 2 in the display component 1, so that the magnetic fluid 3 displays the pattern shape corresponding to the magnetic field distribution properties of the multiple point magnets of the magnet template 9, and fixes the magnet template 9 on the magnet panel 6.

[0149] The magnet template 9 has a protruding gripping finger 11 located at its centroid or center of shape, and the gripping finger 11 is used as the force application point when the human hand operates the magnet template 9.

[0150] The magnet panel 6 has a reference line 12, which is used to assist in alignment when the magnet template 9 with horizontal or vertical edge features is inserted into the array jack 7, so that the multiple point magnets 10 of the magnet template 9 are more easily inserted into the array jack 7. (In the attached drawing: When inserting the "big", the horizontal reference line 12-1 and the vertical reference line 12-2 can be used to assist in alignment simultaneously)

[0151] For the magnet template 9 with a specific shape, if there is extra point space in addition to the multiple point magnets 10, the magnet template 9 has alignment holes 13, which are used to assist in alignment when the magnet template 9 is inserted into the array jack 7, so that the multiple point magnets 10 of the magnet template 9 are more easily inserted into the array jack 7. (In the attached drawing: The "country" has 3 alignment holes 13, so when inserting the "country", the 3 alignment holes 13 can be aligned with 3 jacks on the magnet panel 6.)

[0152] The magnet panel 6 can be connected to or separated from the outer shell, and the magnetic attractions 8 with opposite polarities at the positions corresponding to the magnet panel 6 and the outer shell are used for the quick connection of the magnet panel 6 and the outer shell.

[0153] There is a magnetic conduction interlayer 14 between the magnet panel 6 and the container 2, and the magnetic conduction interlayer 14 can strengthen and homogenize the magnetic field distribution between adjacent point magnets to optimize the magneto-fluid display in the container 2.

[0154] If it is necessary to make the magneto-fluid displays corresponding to adjacent point magnets in a connected form, the magnetic poles of the adjacent point magnets are of opposite polarities; if it is necessary to make the magneto-fluid displays corresponding to adjacent point magnets in a separated form, the magnetic poles of the adjacent point magnets are of the same polarity; the point magnets of opposite or the same polarity are distinguished by two different colors or shapes.

Claims

1. A magnetic fluid interaction device, characterized in that: include: Display assembly (1), magnet panel (6), magnet assembly; The display assembly (1) comprises a housing and a container (2); The container (2) is made of transparent material; The container (2) contains a magnetic fluid (3) and a transparent medium that is immiscible with the magnetic fluid (3) or only contains the magnetic fluid (3), and the rest is a vacuum; The transparent medium includes oily liquid or air; When the transparent medium is air, the inner wall of the container (2) contains a coating that is incompatible with the magnetic fluid (3); When the container (2) contains only the magnetic fluid (3) and the rest is a vacuum, the inner wall of the container (2) contains a coating that is incompatible with the magnetic fluid (3); The magnetic panel (6) is connected to the back of the housing of the display assembly (1); The magnet panel (6) has an array of insertion holes (7); The magnet assembly is inserted into the array insertion hole (7), thereby allowing the magnetic fluid (3) in the container (2) to display a shape corresponding to the magnetic field distribution property of the inserted magnet assembly.

2. A magnetic fluid interaction device according to claim 1, characterized in that: The magnet assembly comprises a single point magnet (10) or a plurality of point magnets (10); The single point magnet (10) is inserted into one of the array holes (7) of the magnet panel (6), so that the magnetic fluid (3) in the container (2) displays a shape corresponding to the magnetic field distribution property of the point magnet (10); The plurality of point magnets (10) are randomly arranged and inserted into the array insertion holes (7) of the magnet panel (6) to form a desired shape, so that the magnetic fluid (3) in the container (2) displays a shape corresponding to the magnetic field distribution properties of the plurality of point magnets (10) arranged; When the magnetic fluids corresponding to the adjacent point magnets (10) are shown in a connected state, the magnetic poles of the adjacent point magnets (10) are of opposite polarity; When the magnetic fluids corresponding to the adjacent point magnets (10) are displayed in a separated state, the magnetic poles of the adjacent point magnets (10) are of the same polarity.

3. A magnetic fluid interaction device according to claim 1, characterized in that: The magnet assembly comprises a magnet template (9) and a plurality of point magnets (10); A plurality of point magnets (10) forming a specific shape are fixedly arranged on the magnet template (9); The specific shapes include numbers, letters, Chinese characters, and patterns; The point magnet (10) corresponds to the socket of the array socket (7); The point magnets (10) are inserted into the insertion holes of the array insertion holes (7), so that the magnetic fluid (3) in the container (2) displays a shape corresponding to the magnetic field distribution properties of the plurality of point magnets (10) arranged on the magnet template (9).

4. A magnetic fluid interaction device according to claim 3, characterized in that: The magnet template (9) further comprises a plurality of alignment holes (13); The alignment hole (13) corresponds to the insertion hole of the array insertion hole (7); The alignment holes (13) are used to assist in the alignment of fixing the magnet template (9) on the array insertion hole (7).

5. The magnetic fluid interaction device according to claim 1, characterized in that: The magnet assembly also includes a gripping finger (11); The gripping finger (11) is located at the centroid or centroid of the magnet assembly.

6. A magnetic fluid interaction device according to claim 1, characterized in that: The magnetic fluid interaction device also includes a detachable base (5); The detachable base (5) is connected to the display assembly (1); The detachable base (5) has a rotating mechanism inside to control the display assembly (1) to rotate.

7. A magnetic fluid interaction device according to claim 1, characterized in that: A magnetically conductive spacer (14) is also provided between the magnetic panel (6) and the display assembly (1); The magnetically conductive spacer (14) is used to strengthen and homogenize the magnetic field distribution between adjacent point magnets (10).

8. The magnetic fluid interaction device according to claim 1, characterized in that: The magnet panel (6) further comprises a plurality of reference lines (12); The reference line (12) comprises a transverse reference line (12-1) and a longitudinal reference line (12-2); The reference line (12) is used to assist in the alignment of magnet assemblies having horizontal or vertical edge features.

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