CN113071247A - Font is from dropping out formula electromagnetism clipboard - Google Patents
Font is from dropping out formula electromagnetism clipboard Download PDFInfo
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- CN113071247A CN113071247A CN202110399278.0A CN202110399278A CN113071247A CN 113071247 A CN113071247 A CN 113071247A CN 202110399278 A CN202110399278 A CN 202110399278A CN 113071247 A CN113071247 A CN 113071247A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L1/00—Repeatedly-usable boards or tablets for writing or drawing
- B43L1/008—Repeatedly-usable boards or tablets for writing or drawing with magnetic action
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Abstract
The invention discloses a font self-dropping type electromagnetic writing board, belonging to the field of writing boards, the scheme is that the font self-dropping type electromagnetic writing board is changed into a solid state after being electrified through an electrorheological fluid, is expanded through a magnetism breaking ball, separates the writing board from magnetic conductive fibers at the outer side of the electromagnetic board, reduces the magnetic transmission of the electromagnetic board to the surface of the writing board, automatically drops magnetic characters on the surface of the writing board after losing magnetic adsorption force, reduces dust generated during wiping, and is collected through a collecting frame, when writing is carried out on the surface of the writing board, a writing pen is made to have magnetism through a magnet and is fully adhered to the surface of the writing board during writing, a magnetic adsorption sheet in the writing pen is adhered to the surface of the writing board through magnetism, temperature-sensitive color-changing powder at the outer end of the magnetic adsorption sheet meets with heat, the characters written on the surface of the writing board change color according to the change of temperature, the recognition degree of the characters on the surface of the writing board is improved.
Description
Technical Field
The invention relates to the field of writing boards, in particular to a font self-dropping type electromagnetic writing board.
Background
Educators teach and cultivate the mental development of educated persons according to laws, regulations and industry specifications and according to school conditions and job titles purposefully and organically, and educate the educators with the prior experiences and learners to explain various phenomena, problems or behaviors for the educators so as to improve the practical ability, which is basically to cognize and treat things with a relatively mature or rational thinking of people, wherein people slowly touch a state of cognizing and understanding a thing from a sense organ and form a relatively perfect or rational self-consciousness, but at the same time people have self-consciousness and self-sense organ dimensions, so that any educational consciousness can not be absolutely correct, but the direction of thinking of people can be understood in a perceptual way, as long as the education does not deviate from the inherent of things, the education is a teaching of thinking, and the people are the self-consciousness forms, in the teaching process, the most common education equipment is the blackboard, and the blackboard is coated on the surface of a hard object such as a wood board, cement and the like by black paint for more than two hundred years, and the surfaces of the hard objects such as a water mill glass, a color coated steel plate and a composite material plate in the nineties, so that the development of the world education industry at one step is proved, and the sweat horse labor is created for spreading knowledge, popularizing and educating the human beings.
When the traditional writing board is used for writing and wiping, a large amount of dust is generated, great influence is easily generated on the lung of a human body, and when the writing board is used for writing, characters cannot be effectively seen clearly due to reflection of light on the writing board, and the service efficiency of the writing board is seriously influenced.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a font self-dropping type electromagnetic writing board, which is changed into a solid state after an electrorheological fluid is electrified and expands through a magnetism breaking ball, the writing board is separated from magnetic conductive fibers on the outer side of the electromagnetic board, the magnetic transmission of the electromagnetic board to the surface of the writing board is reduced, magnetic characters on the surface of the writing board automatically drop after losing magnetic adsorption force, dust generated during wiping is reduced, the dust is collected through a collecting frame, when writing is carried out on the surface of the writing board, a writing pen is made to have magnetism through a magnet and is fully adhered to the surface of the writing board during writing, magnetic adsorption sheets in the writing pen are adhered to the surface of the writing board through the magnetism, temperature-sensing color-changing powder at the outer ends of the magnetic adsorption sheets is subjected to heat discoloration, and the characters on the surface of the writing board are discolored according to the change of temperature, the recognition degree of the characters on the surface of the writing board is improved.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A font self-dropping type electromagnetic writing board comprises a writing board body, wherein a pair of supporting frames are arranged at the outer end of the writing board body and are in sliding connection with the writing board body, a collecting frame is fixedly connected to the lower end of the writing board body, a magnetic adsorption layer is fixedly connected to the inner wall of the collecting frame, a pair of electromagnetic boards are arranged on the inner side of the writing board body, a magnetic heating net is fixedly connected between the electromagnetic boards, the electromagnetic boards are electrically connected with the magnetic heating net, a plurality of uniformly-distributed magnetic breaking balls are fixedly connected between the writing board body and the electromagnetic boards, electrorheological fluid is filled in the magnetic breaking balls, a plurality of uniformly-distributed magnetic conducting fibers are fixedly connected to the outer end of the electromagnetic boards, one ends, far away from the electromagnetic boards, of the magnetic conducting fibers are in contact with the inner wall of the writing board body, a magnetic writing device is arranged on the outer side of the writing board body, and when, the electrorheological fluid inside the magnetic breaking ball is electrified, the electrorheological fluid becomes solid after being electrified and expands through the magnetic breaking ball, the magnetic conduction fibers outside the writing board and the electromagnetic board are separated, the magnetism of the electromagnetic board is reduced and is transferred to the surface of the writing board, the magnetic characters on the surface of the writing board automatically fall off after losing the magnetic adsorption force, the dust generated during wiping is reduced, and the collection is carried out through the collection frame.
Further, the magnetism writing device includes the writing pen, the outer end of writing pen is equipped with the solid fixed cylinder, writing pen and solid fixed cylinder sliding connection, the lower extreme fixedly connected with magnet of writing pen, the outer end fixedly connected with slider of magnet, the outer end of solid fixed cylinder is opened and is dug there is the bar spout, bar spout and slider sliding connection, the outer end threaded connection of solid fixed cylinder has a pair of screw ring, and is a pair of the screw ring is located the outside of slider, when writing on the surface of clipboard, makes the writing pen have magnetism through magnet, and abundant adhesion when writing rotates the screw ring of upside to suitable position on the surface of clipboard for the writing pen slides in the outer end of solid fixed cylinder through the slider to carry on spacingly to it through the screw ring of downside.
Furthermore, the inside packing of writing pen has the magnetism adsorption piece, the magnetism adsorption piece is the polygon and piles up and form, the magnetism adsorption piece adopts magnetic carbon to make, and the upper end of magnetism adsorption piece is brushed with temperature sensing color-changing powder, and when writing, the magnetism adsorption piece in the writing pen passes through the magnetism adhesion on the surface of clipboard, and the temperature sensing color-changing powder of magnetism adsorption piece outer end meets the heat discoloration, makes the characters of writing on the clipboard surface change color according to the change of temperature, improves the degree of distinguishing of clipboard surface characters.
Further, the outer end of clipboard is dull polish form, and the clipboard surface brush has the polytetrafluoroethylene material, improves writing efficiency, and makes the characters on clipboard surface drop fast after disconnected magnetism through the polytetrafluoroethylene material.
Furthermore, the outer end threaded connection of support frame has the screw rod, the screw rod runs through the support frame and offsets with the outside of clipboard, adjusts the height of clipboard according to writing the environment to improve the travelling comfort of writing.
Furthermore, the outer end of the magnetic breaking ball is fixedly connected with an elastic rubber layer, the inner wall of the magnetic breaking ball is coated with a magnetic resistance material, the magnetic resistance material is made of permalloy, and after the electrorheological fluid expands, the magnetism of the electromagnetic plate is better reduced by the magnetic breaking ball and the magnetic resistance material to be transferred to the outer side of the writing board.
Further, the emulsion layer has been applied paint with a brush to the outer end of writing pen, the inside of writing pen is equipped with super adsorption fiber, reduces the dust adhesion through the emulsion layer and on hand, when moisture runs through emulsion layer entering writing pen's inside, adsorbs moisture through super adsorption fiber, reduces moisture to writing pen's influence to improve writing pen's life cycle.
A font self-dropping type electromagnetic writing board comprises the following steps:
s1, the electrorheological fluid is changed into a solid state after being electrified and expands through the magnetic breaking ball, the magnetic conductive fibers on the outer sides of the writing board and the electromagnetic board are separated, the magnetic transmission of the electromagnetic board to the surface of the writing board is reduced, and the magnetic characters on the surface of the writing board automatically fall off after losing the magnetic adsorption force;
s2, when writing on the surface of the writing board, the writing pen is made to have magnetism through the magnet and is sufficiently adhered to the surface of the writing board during writing;
s3, the magnetic adsorption sheet in the writing pen is adhered to the surface of the writing board through magnetism, the temperature sensing color changing powder at the outer end of the magnetic adsorption sheet changes color when encountering heat, and the characters written on the surface of the writing board change color according to the change of temperature.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) this scheme becomes solid-state after the electrorheological fluid circular telegram and expands through disconnected magnetism ball, separate the magnetic conduction fibre in clipboard and the electromagnetic plate outside, reduce the magnetism transmission to the surface of clipboard of electromagnetic plate, the magnetism characters on clipboard surface lose automatic the droing behind the magnetic adsorption power, the dust that produces when reducing and wiping, and collect through collecting the frame, when writing on the surface of clipboard, make the writing pen have magnetism through magnet, abundant adhesion is on the surface of clipboard when writing, the magnetism adsorption tablet in the writing pen passes through the surface of magnetism adhesion at the clipboard, the temperature sensing of magnetism adsorption tablet outer end discolours the powder and meets the hot discoloration, make according to the change of temperature write the characters on clipboard surface and discolour, improve the degree of distinguishing of clipboard surface characters.
(2) The magnetism writing device includes the writing pen, the outer end of writing pen is equipped with the solid fixed cylinder, writing pen and solid fixed cylinder sliding connection, the lower extreme fixedly connected with magnet of writing pen, the outer end fixedly connected with slider of magnet, the bar spout has been opened to the outer end of solid fixed cylinder, bar spout and slider sliding connection, the outer end threaded connection of solid fixed cylinder has a pair of screw ring, a pair of screw ring is located the outside of slider, when writing on the surface of clipboard, make the writing pen have magnetism through magnet, abundant adhesion is on the surface of clipboard when writing, rotate the screw ring of upside to suitable position, make the writing pen slide in the outer end of solid fixed cylinder through the slider, and it is spacing through the screw ring of downside.
(3) The inside packing of writing pen has the magnetism adsorption piece, the magnetism adsorption piece is the polygon and piles up and form, the magnetism adsorption piece adopts magnetic carbon to make, and the upper end of magnetism adsorption piece is applied with the temperature sensing color change powder with a brush, when writing, the magnetism adsorption piece in the writing pen passes through the magnetism adhesion on the surface of clipboard, the temperature sensing color change powder of magnetism adsorption piece outer end meets the heat discoloration, according to the change of temperature makes the characters of writing on the clipboard surface change color, improve the degree of distinguishing of clipboard surface characters.
(4) The outer end of clipboard is dull polish form, and the clipboard surface is scribbled polytetrafluoroethylene material, improves writing efficiency, and makes the characters on clipboard surface drop fast after the magnetism is cut off through polytetrafluoroethylene material.
(5) The outer end threaded connection of support frame has the screw rod, and the screw rod runs through the support frame and offsets with the outside of clipboard, adjusts the height of clipboard according to writing the environment to improve the travelling comfort of writing.
(6) The outer end of the magnetic breaking ball is fixedly connected with an elastic rubber layer, the inner wall of the magnetic breaking ball is coated with a magnetic resistance material, the magnetic resistance material is made of permalloy, and after the electrorheological fluid expands, the magnetism of the electromagnetic plate is better reduced by the magnetic breaking ball and the magnetic resistance material and is transmitted to the outer side of the writing board.
(7) The emulsion layer has been applied paint with a brush to the outer end of writing pen, and the inside of writing pen is equipped with super absorption fibre, reduces the dust adhesion through the emulsion layer and on hand, when moisture runs through the inside that the emulsion layer got into the writing pen, adsorbs moisture through super absorption fibre, reduces moisture to the influence of writing pen to improve the life cycle of writing pen.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic side sectional view of the writing board of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 1;
FIG. 4 is a schematic structural diagram of a front cross-section of a fixing cylinder according to the present invention;
FIG. 5 is a schematic top sectional view of the writing pen of the present invention;
FIG. 6 is a schematic top view of a magnetic attraction sheet according to the present invention.
The reference numbers in the figures illustrate:
the device comprises a support frame 1, a screw 101, a writing board 2, a collecting frame 3, a writing pen 4, a threaded ring 5, a magnet 6, a slider 7, a fixed cylinder 8, a magnetic adsorption sheet 9, a temperature-sensitive color-changing powder 10, an electromagnetic plate 11, a magnetic heating net 12, a magnetic breaking ball 13, electrorheological fluid 14 and magnetic fibers 15.
Detailed Description
The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1-3, a font self-dropping type electromagnetic writing board comprises a writing board 2, a pair of supporting frames 1 are arranged at the outer end of the writing board 2, the supporting frames 1 are slidably connected with the writing board 2, a collecting frame 3 is fixedly connected at the lower end of the writing board 2, a magnetic adsorption layer is fixedly connected with the inner wall of the collecting frame 3, a pair of electromagnetic boards 11 are arranged at the inner side of the writing board 2, a magnetic heating net 12 is fixedly connected between the pair of electromagnetic boards 11, the electromagnetic boards 11 are electrically connected with the magnetic heating net 12, a plurality of magnetic breaking balls 13 which are uniformly distributed are fixedly connected between the writing board 2 and the electromagnetic boards 11, electrorheological fluid 14 is filled in the magnetic breaking balls 13, a plurality of magnetic conducting fibers 15 which are uniformly distributed are fixedly connected at the outer end of the electromagnetic boards 11, one end of the magnetic conducting fibers 15, which is far away from the electromagnetic boards 11, is in contact with the inner wall, when characters written on the surface of the writing board 2 are wiped, the electrorheological fluid 14 inside the magnetic breaking ball 13 is electrified, the electrorheological fluid 14 becomes solid after being electrified and expands through the magnetic breaking ball 13, the writing board 2 is separated from the magnetic conduction fiber 15 outside the electromagnetic board 11, the magnetism of the electromagnetic board 11 is reduced and is transmitted to the surface of the writing board 2, the magnetic characters on the surface of the writing board 2 automatically fall off after losing magnetic adsorption force, dust generated during wiping is reduced, and the magnetic characters are collected through the collecting frame 3.
Please refer to fig. 4, the magnetic writing device includes a writing pen 4, the outer end of the writing pen 4 is provided with a fixed cylinder 8, the writing pen 4 is slidably connected with the fixed cylinder 8, the lower end of the writing pen 4 is fixedly connected with a magnet 6, the outer end of the magnet 6 is fixedly connected with a slider 7, the outer end of the fixed cylinder 8 is provided with a bar-shaped chute, the bar-shaped chute is slidably connected with the slider 7, the outer end of the fixed cylinder 8 is threadedly connected with a pair of threaded rings 5, the pair of threaded rings 5 are located at the outer side of the slider 7, when writing on the surface of the writing board 2, the writing pen 4 is made to have magnetism through the magnet 6, sufficient adhesion is on the surface of the writing board 2 when writing, the threaded ring 5 at the upper side is rotated to a proper position, so that the writing pen 4 slides at the outer end of the fixed cylinder 8 through the slider.
Referring to fig. 5-6, the inside of the writing pen 4 is filled with magnetic adsorbing sheets 9, the magnetic adsorbing sheets 9 are formed by stacking polygons, the magnetic adsorbing sheets 9 are made of magnetic carbon, and the upper end of the magnetic adsorbing sheets 9 is coated with a temperature-sensitive color-changing powder 10, when writing, the magnetic adsorbing sheets 9 in the writing pen 4 are adhered to the surface of the writing board 2 through magnetism, the temperature-sensitive color-changing powder 10 at the outer ends of the magnetic adsorbing sheets 9 changes color with heat, the characters written on the surface of the writing board 2 change color according to the change of temperature, and the identification degree of the characters on the surface of the writing board 2 is improved.
Please refer to fig. 1, the outer end of the writing board 2 is frosted, and the surface of the writing board 2 is coated with teflon material, so as to improve the writing efficiency, and the characters on the surface of the writing board 2 are rapidly dropped off after the magnetism is broken through the teflon material, the outer end of the supporting frame 1 is connected with a screw 101 in a threaded manner, the screw 101 penetrates through the supporting frame 1 and offsets with the outer side of the writing board 2, the height of the writing board 2 is adjusted according to the writing environment, so as to improve the writing comfort.
Referring to fig. 3-4, the outer end of the magnetic break ball 13 is fixedly connected with an elastic rubber layer, the inner wall of the magnetic break ball 13 is coated with a magnetic resistant material made of permalloy, after the electrorheological fluid 14 expands, the magnetism of the electromagnetic plate 11 is better reduced by the magnetic break ball 13 and the magnetic resistant material and is transmitted to the outer side of the writing board 2, the outer end of the writing pen 4 is coated with a latex layer, the inside of the writing pen 4 is provided with super-adsorption fibers, the adhesion of dust on hands is reduced by the latex layer, when moisture penetrates through the latex layer and enters the inside of the writing pen 4, the moisture is adsorbed by the super-adsorption fibers, the influence of the moisture on the writing pen 4 is reduced, and therefore the service cycle of the writing pen 4 is prolonged.
A font self-dropping type electromagnetic writing board comprises the following steps:
s1, the electrorheological fluid 14 is changed into a solid state after being electrified and expands through the magnetic breaking ball 13, the writing board 2 is separated from the magnetic conduction fiber 15 on the outer side of the electromagnetic board 11, the magnetic transmission of the electromagnetic board 11 to the surface of the writing board 2 is reduced, and the magnetic characters on the surface of the writing board 2 automatically fall off after losing the magnetic adsorption force;
s2, when writing on the surface of the tablet 2, the magnetic pen 4 is magnetized by the magnet 6 and sufficiently adheres to the surface of the tablet 2 during writing;
s3, the magnetic adsorption piece 9 in the writing pen 4 is adhered on the surface of the writing board 2 through magnetism, the temperature sensing color changing powder 10 at the outer end of the magnetic adsorption piece 9 changes color when heated, and the characters written on the surface of the writing board 2 change color according to the change of temperature.
This scheme becomes solid-state through disconnected magnetism ball 13 and expands after 14 circular telegrams of electrorheological fluids, separate clipboard 2 and the magnetic conduction fiber 15 in the electromagnetic plate 11 outside, reduce the magnetism transmission of electromagnetic plate 11 to the surface of clipboard 2, the magnetism characters on clipboard 2 surface lose automatic the droing behind the magnetic adsorption power, reduce the dust that produces when wiping, and collect through collecting frame 3, when clipboard 2's surface is written, make writing pen 4 have magnetism through magnet 6, abundant adhesion is on clipboard 2's surface when writing, magnetism adsorption sheet 9 in the writing pen 4 passes through the surface of magnetism adhesion at clipboard 2, the thermochromic powder 10 of magnetism adsorption sheet 9 outer end is met the thermochromism, make according to the change of temperature write the characters on clipboard 2 surface and change colour, improve the discernment degree of clipboard 2 surface characters.
The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.
Claims (8)
1. The utility model provides a typeface is from formula electromagnetism clipboard that falls, includes clipboard (2), its characterized in that: the outer end of the writing board (2) is provided with a pair of supporting frames (1), the supporting frames (1) are connected with the writing board (2) in a sliding mode, the lower end of the writing board (2) is fixedly connected with a collecting frame (3), the inner wall of the collecting frame (3) is fixedly connected with a magnetic adsorption layer, the inner side of the writing board (2) is provided with a pair of electromagnetic boards (11), the electromagnetic boards (11) are connected with a magnetic heating net (12) in a fixed mode, the electromagnetic boards (11) are electrically connected with the magnetic heating net (12), a plurality of uniformly distributed magnetic breaking balls (13) are fixedly connected between the writing board (2) and the electromagnetic boards (11), electrorheological fluid (14) is filled in the magnetic breaking balls (13), the outer end of the electromagnetic boards (11) is fixedly connected with a plurality of uniformly distributed magnetic conducting fibers (15), one end, far away from the electromagnetic boards (11), of the magnetic conducting fibers (15) is in contact with the inner wall of the writing board (2), and a magnetic writing device is arranged on the outer side of the writing board (2).
2. The font self-drop type electromagnetic writing board according to claim 1, characterized in that: the magnetic writing device comprises a writing pen (4), wherein the outer end of the writing pen (4) is provided with a fixed cylinder (8), the writing pen (4) is connected with the fixed cylinder (8) in a sliding manner, the lower end of the writing pen (4) is fixedly connected with a magnet (6), the outer end of the magnet (6) is fixedly connected with a slider (7), the outer end of the fixed cylinder (8) is provided with a bar-shaped sliding groove in a chiseling manner, the bar-shaped sliding groove is connected with the slider (7) in a sliding manner, the outer end of the fixed cylinder (8) is connected with a pair of threaded rings (5) in a threaded manner, and the threaded rings (5) are located on the outer side of the slider (.
3. The font self-drop type electromagnetic writing board according to claim 2, characterized in that: the writing pen is characterized in that magnetic adsorption sheets (9) are filled in the writing pen (4), the magnetic adsorption sheets (9) are formed by stacking in a polygonal shape, the magnetic adsorption sheets (9) are made of magnetic carbon, and the upper ends of the magnetic adsorption sheets (9) are coated with temperature-sensitive color-changing powder (10).
4. The font self-drop type electromagnetic writing board according to claim 1, characterized in that: the outer end of the writing board (2) is frosted, and polytetrafluoroethylene materials are coated on the surface of the writing board (2).
5. The font self-drop type electromagnetic writing board according to claim 1, characterized in that: the outer end threaded connection of support frame (1) has screw rod (101), screw rod (101) run through the outside counterbalance of support frame (1) and clipboard (2).
6. The font self-drop type electromagnetic writing board according to claim 1, characterized in that: the outer end of the magnetic breaking ball (13) is fixedly connected with an elastic rubber layer, the inner wall of the magnetic breaking ball (13) is coated with a magnetic resistance material, and the magnetic resistance material is made of permalloy.
7. The font self-drop type electromagnetic writing board according to claim 2, characterized in that: the outer end of the writing pen (4) is coated with a latex layer, and super-adsorption fibers are arranged inside the writing pen (4).
8. The font self-drop type electromagnetic writing board according to any one of claims 1 to 7, wherein: the method comprises the following steps:
s1, the electrorheological fluid (14) is changed into a solid state after being electrified and expands through the magnetic breaking ball (13), the writing board (2) is separated from the magnetic conduction fiber (15) on the outer side of the electromagnetic board (11), the magnetic transmission of the electromagnetic board (11) to the surface of the writing board (2) is reduced, and the magnetic characters on the surface of the writing board (2) automatically fall off after losing the magnetic adsorption force;
s2, when writing on the surface of the writing board (2), the writing pen (4) is made to have magnetism through the magnet (6) and is sufficiently adhered to the surface of the writing board (2) during writing;
s3, the magnetic adsorption piece (9) in the writing pen (4) is adhered on the surface of the writing board (2) through magnetism, the temperature-sensitive color-changing powder (10) at the outer end of the magnetic adsorption piece (9) changes color when heated, and characters written on the surface of the writing board (2) change color according to the change of temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110399278.0A CN113071247B (en) | 2021-04-14 | 2021-04-14 | Font self-dropping type electromagnetic writing board |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110399278.0A CN113071247B (en) | 2021-04-14 | 2021-04-14 | Font self-dropping type electromagnetic writing board |
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| CN113071247A true CN113071247A (en) | 2021-07-06 |
| CN113071247B CN113071247B (en) | 2023-01-24 |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3754495A (en) * | 1970-10-27 | 1973-08-28 | M Honegger | Sounding note board for music instruction |
| GB1350222A (en) * | 1971-07-28 | 1974-04-18 | Atomic Energy Authority Uk | Drafting machines |
| CA2285833A1 (en) * | 1998-10-16 | 2000-04-16 | Tdk Corporation | Magnetophoresis type display device and process of production of same |
| CN1775552A (en) * | 2005-11-28 | 2006-05-24 | 倪亚辉 | Magnetic powder swimming type writing board |
| CN101791925A (en) * | 2009-06-19 | 2010-08-04 | 陈奇康 | Magnetic device capable of facilitating people to leave message |
| CN206537030U (en) * | 2017-01-03 | 2017-10-03 | 华东师范大学第一附属中学 | A kind of temperature-sensitive board |
| US20190094646A1 (en) * | 2014-11-07 | 2019-03-28 | E Ink Corporation | Applications of electro-optic displays |
| CN209591111U (en) * | 2019-01-17 | 2019-11-05 | 华北水利水电大学 | An English interesting teaching board for teaching |
| CN110562587A (en) * | 2019-08-19 | 2019-12-13 | 姜素琴 | Anti-toppling container |
| CN111477786A (en) * | 2020-03-09 | 2020-07-31 | 安徽西尔艾叉车零部件有限公司 | Power lithium battery pack connecting structure |
-
2021
- 2021-04-14 CN CN202110399278.0A patent/CN113071247B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3754495A (en) * | 1970-10-27 | 1973-08-28 | M Honegger | Sounding note board for music instruction |
| GB1350222A (en) * | 1971-07-28 | 1974-04-18 | Atomic Energy Authority Uk | Drafting machines |
| CA2285833A1 (en) * | 1998-10-16 | 2000-04-16 | Tdk Corporation | Magnetophoresis type display device and process of production of same |
| CN1775552A (en) * | 2005-11-28 | 2006-05-24 | 倪亚辉 | Magnetic powder swimming type writing board |
| CN101791925A (en) * | 2009-06-19 | 2010-08-04 | 陈奇康 | Magnetic device capable of facilitating people to leave message |
| US20190094646A1 (en) * | 2014-11-07 | 2019-03-28 | E Ink Corporation | Applications of electro-optic displays |
| CN206537030U (en) * | 2017-01-03 | 2017-10-03 | 华东师范大学第一附属中学 | A kind of temperature-sensitive board |
| CN209591111U (en) * | 2019-01-17 | 2019-11-05 | 华北水利水电大学 | An English interesting teaching board for teaching |
| CN110562587A (en) * | 2019-08-19 | 2019-12-13 | 姜素琴 | Anti-toppling container |
| CN111477786A (en) * | 2020-03-09 | 2020-07-31 | 安徽西尔艾叉车零部件有限公司 | Power lithium battery pack connecting structure |
Non-Patent Citations (1)
| Title |
|---|
| 崔香福等: "塑料磁性书写板的研制", 《塑料科技》 * |
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| CN113071247B (en) | 2023-01-24 |
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