CN113071247B - Font self-dropping type electromagnetic writing board - Google Patents
Font self-dropping type electromagnetic writing board Download PDFInfo
- Publication number
- CN113071247B CN113071247B CN202110399278.0A CN202110399278A CN113071247B CN 113071247 B CN113071247 B CN 113071247B CN 202110399278 A CN202110399278 A CN 202110399278A CN 113071247 B CN113071247 B CN 113071247B
- Authority
- CN
- China
- Prior art keywords
- writing
- magnetic
- writing board
- board
- electromagnetic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
Landscapes
- Drawing Aids And Blackboards (AREA)
Abstract
The invention discloses a font self-dropping type electromagnetic writing board, which belongs to the field of writing boards and is characterized in that an electrorheological fluid is electrified and then becomes a solid state, the solid state is expanded through a magnetic 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 the surface of the writing board is written, a writing pen is made to be magnetic through a magnet and 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 colors of the characters written on the surface of the writing board are changed according to the change of temperature, and the identification 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
The educational system is designed and organized to teach and cultivate the mental development of the educated person according to legal regulations and industrial specifications and according to school conditions and titles, teaches the educated person with the prior experience and knowledge to explain various phenomena, problems or behaviors for the educated person so as to improve the practical ability, recognizes and treats the object by a relatively mature or rational thinking of the person, the person slowly feels to the cognitive understanding state from the sense organ to the cognitive understanding state, forms a relatively perfect or rational self-consciousness, but has self-consciousness and self-sense organ dimension, so that the educational thinking of any educational way is not absolutely correct, the educational way is a sensory way, the teaching is a thought professor as long as the person does not deviate from the internal sense organ of the thinking, the person is a mental teaching way because of the self-consciousness form and the other mental form, the teaching is a mental way, the person walks to the full-life teaching way by the visual sense organ, the teaching is a cement board, the teaching board is a black board, and the teaching board is a black board.
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
The invention aims to provide a font self-dropping type electromagnetic writing board, which is expanded by a magnetism breaking ball after an electrorheological fluid is electrified to become a solid state, separates the writing board from magnetic conductive fibers on the outer side of the electromagnetic board, reduces the transmission of the magnetism 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 collects the dust through a collecting frame.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
The utility model provides a typeface is from formula of falling electromagnetism clipboard, includes the clipboard, the outer end of clipboard is equipped with a pair of support frame, support frame and clipboard sliding connection, the lower extreme fixedly connected with of clipboard collects the frame, the inner wall fixedly connected with magnetic adsorption layer of collecting the frame, the inboard of clipboard is equipped with a pair of electromagnetic plate, and is a pair of fixedly connected with magnetism heating net between the electromagnetic plate, the electromagnetic plate is connected with magnetism heating net electric property, a plurality of evenly distributed's magnetic ball of breaking of fixedly connected with between clipboard and the electromagnetic plate, the inside packing of magnetic ball of breaking has the electric current and becomes the electrorheological fluids, the outer end fixedly connected with a plurality of evenly distributed's of magnetic conduction fibre of electromagnetic plate, the magnetic conduction fibre is kept away from the one end of electromagnetic plate and is contacted with the inner wall of clipboard, the outside of clipboard is equipped with magnetism writing device, when the characters that write to the clipboard surface are cleaned, for the inside electrorheological fluids of magnetic ball of breaking circular current circular telegram, become solid-state after the electric current circular telegram and expand through the magnetic ball of breaking, separate the magnetic conduction fibre outside the clipboard, reduce the magnetic transfer to the magnetic plate surface of magnetic plate, when the automatic dust that comes off through collecting, collect the dust that comes off.
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 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 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, after the electrorheological fluid is electrified, the electrorheological fluid becomes a solid state and expands through a magnetism breaking ball, the writing board is separated from magnetic conduction fibers on the outer side of the electromagnetic board, the magnetism of the electromagnetic board is reduced and is transferred to the surface of the writing board, and magnetic characters on the surface of the writing board automatically fall off after losing the magnetic adsorption force;
s2, when writing is carried out on the surface of the writing board, the writing pen is made to be magnetic through the magnet and is sufficiently adhered to the surface of the writing board during writing;
and S3, the magnetic adsorption sheet in the writing pen is adhered to the surface of the writing board through magnetism, the temperature-sensitive color-changing powder at the outer end of the magnetic adsorption sheet is subjected to heat color change, and characters written on the surface of the writing board are subjected to color change 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 through disconnected magnetic ball inflation after the electrorheological fluids circular telegram, separate the magnetic conduction fibre in clipboard and the electromagnetic plate outside, reduce the magnetism transmission of electromagnetic plate to the surface of clipboard, the magnetism characters on clipboard surface lose automatic the droing behind the magnetic adsorption power, the dust that produces when reducing to clean, 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 piece in the writing pen passes through the surface of magnetism adhesion at the clipboard, the temperature sensing powder that discolours of magnetism adsorption piece outer end meets the thermochromic, make the characters of writing on the clipboard surface according to the change of temperature and discolour, improve the discernment degree 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 front sectional view of the fixing cylinder of 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 incorporated below; 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 includes a writing board 2, a pair of supporting frames 1 is disposed at an outer end of the writing board 2, the supporting frames 1 are slidably connected to the writing board 2, a collecting frame 3 is fixedly connected to a lower end of the writing board 2, a magnetic adsorption layer is fixedly connected to an inner wall of the collecting frame 3, a pair of electromagnetic boards 11 is disposed at an 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 to the magnetic heating net 12, a plurality of magnetic breaking balls 13 are fixedly connected between the writing board 2 and the electromagnetic boards 11, an electro-rheological fluid 14 is filled in the magnetic breaking balls 13, a plurality of magnetic conductive fibers 15 are fixedly connected to an outer end of the electromagnetic boards 11, ends of the magnetic conductive fibers 15 far away from the electromagnetic boards 11 are in contact with the inner wall of the writing board 2, a magnetic writing device is disposed at an outer side of the writing board 2, when characters written on a surface of the writing board 2 are wiped, the electro-rheological fluid 14 is energized, the electro-rheological fluid 14 becomes a solid state after being energized, the electro-rheological fluid is changed into a solid state, the solid state by the magnetic breaking balls 13, the magnetic breaking magnetic balls, the outer side of the electromagnetic boards 2 is wiped, the magnetic rheological fluid is separated from the magnetic boards, dust generated on the surface of the electromagnetic boards 2 is automatically absorbed, and the magnetic boards is reduced, and the magnetic boards, and the magnetic rheological fluid is automatically collected dust generated when the magnetic boards 2 is automatically collected dust is collected by the magnetic boards 2.
Referring to fig. 4, the magnetic writing device includes a writing pen 4, a fixing cylinder 8 is disposed at an outer end of the writing pen 4, the writing pen 4 is slidably connected to the fixing cylinder 8, a magnet 6 is fixedly connected to a lower end of the writing pen 4, a slider 7 is fixedly connected to an outer end of the magnet 6, a bar-shaped chute is formed in an outer end of the fixing cylinder 8, the bar-shaped chute is slidably connected to the slider 7, a pair of threaded rings 5 are threadedly connected to an outer end of the fixing cylinder 8, the pair of threaded rings 5 are located at outer sides of the slider 7, when writing is performed on a surface of the writing board 2, the writing pen 4 is made to have magnetism by the magnet 6, and is sufficiently adhered to the surface of the writing board 2 when writing, the threaded ring 5 at an upper side is rotated to a proper position, so that the writing pen 4 slides at the outer end of the fixing cylinder 8 through the slider 7, and is limited by the threaded ring 5 at a lower side.
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, after being electrified, the electrorheological fluid 14 becomes a solid state 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 is carried out on the surface of the writing board 2, the writing pen 4 is enabled 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 sheets 9 in the writing pen 4 are adhered to the surface of the writing board 2 through magnetism, the temperature sensing color changing powder 10 at the outer ends of the magnetic adsorption sheets 9 changes color when heated, and 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), 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 uniformly distributed magnetism breaking balls (13) are fixedly connected between the writing board (2) and the electromagnetic boards (11), electrorheological fluid (14) is filled in the magnetism breaking balls (13), the outer end of the electromagnetic boards (11) is fixedly connected with a plurality of uniformly distributed magnetism conducting fibers (15), one end, far away from the electromagnetic boards (11), of each magnetism conducting fiber (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); the magnetic writing device comprises a writing pen (4), a magnetic adsorption sheet (9) is filled in the writing pen (4), and the upper end of the magnetic adsorption sheet (9) is coated with a temperature-sensitive color-changing powder (10);
the magnetic breaking ball (13) is characterized in that 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) 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.
2. The font self-drop type electromagnetic writing board according to claim 1, characterized in that: the outer end of writing pen (4) is equipped with solid fixed cylinder (8), writing pen (4) and solid fixed cylinder (8) sliding connection, the lower extreme fixedly connected with magnet (6) of writing pen (4), the outer end fixedly connected with slider (7) of magnet (6), the chisel has the bar spout in the outer end of solid fixed cylinder (8), bar spout and slider (7) sliding connection, the outer end threaded connection of solid fixed cylinder (8) has a pair of screw ring (5), and is a pair of screw ring (5) are located the outside of slider (7).
3. The font self-drop type electromagnetic writing board according to claim 2, characterized in that: the magnetic adsorption sheets (9) are formed by polygonal accumulation, and the magnetic adsorption sheets (9) are made of magnetic carbon.
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, after being electrified, electrorheological fluid (14) is changed into a solid state and expands through a magnetic breaking ball (13), the writing board (2) is separated from magnetic conduction fibers (15) on the outer side of an electromagnetic board (11), the magnetic transmission of the electromagnetic board (11) to the surface of the writing board (2) is reduced, and magnetic characters on the surface of the writing board (2) automatically fall off after losing magnetic adsorption force;
s2, when writing is carried out 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 sheet (9) in the writing pen (4) is adhered to the surface of the writing board (2) through magnetism, the temperature-sensitive color-changing powder (10) at the outer end of the magnetic adsorption sheet (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 |
Applications Claiming Priority (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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113071247A CN113071247A (en) | 2021-07-06 |
| CN113071247B true CN113071247B (en) | 2023-01-24 |
Family
ID=76617864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110399278.0A Active CN113071247B (en) | 2021-04-14 | 2021-04-14 | Font self-dropping type electromagnetic writing board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113071247B (en) |
Citations (9)
| 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 |
| CN209591111U (en) * | 2019-01-17 | 2019-11-05 | 华北水利水电大学 | A kind of interesting English board of education 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2959493T3 (en) * | 2014-11-07 | 2024-02-26 | E Ink Corp | Electro-optic tile |
-
2021
- 2021-04-14 CN CN202110399278.0A patent/CN113071247B/en active Active
Patent Citations (9)
| 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 |
| CN209591111U (en) * | 2019-01-17 | 2019-11-05 | 华北水利水电大学 | A kind of interesting English board of education 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 |
|---|
| 塑料磁性书写板的研制;崔香福等;《塑料科技》;19840406(第02期);9-14 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113071247A (en) | 2021-07-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207590112U (en) | A kind of changeable colour Respirator structure | |
| CN113071247B (en) | Font self-dropping type electromagnetic writing board | |
| CN205625198U (en) | Teaching is with multi -functional archives rack | |
| CN210247213U (en) | Industrial internet controller | |
| CN208508280U (en) | Temperature-control outdoor electric cabinet | |
| CN107687883B (en) | A kind of printing station-service packaged type measurement packing scale | |
| CN206058752U (en) | A kind of Mechanical Design Teaching model support | |
| CN214410302U (en) | Memory training device for preschool education | |
| CN207458501U (en) | A kind of construction site nameplate | |
| CN208333868U (en) | A kind of device for detecting bearings flexibility | |
| CN206625769U (en) | A kind of indoor shade of multimedia teaching | |
| CN207455279U (en) | A kind of gardens Landscape Lamp being easily installed | |
| CN111089620A (en) | IVC system cage box environment detection device and use method thereof | |
| CN206229092U (en) | A kind of glass fiber filtration apparatus | |
| CN201009607Y (en) | Intellectual electric chalk eraser | |
| CN112905056B (en) | Student is with intelligent drawing electronic drawing board with adjustable interactive function | |
| CN208954391U (en) | A kind of study imitation teaching aid | |
| CN201037813Y (en) | Device for detecting adsorptive force | |
| CN212732204U (en) | Liquid-transfering gun suitable for gene detection | |
| CN209289761U (en) | A kind of 3D printing pen and its nib | |
| CN216014509U (en) | Interactive flat plate for infant teaching | |
| CN207133688U (en) | A kind of schooling apparatus of pupil | |
| CN214011016U (en) | Heat sublimation changes printing paper weatherability detection device | |
| CN209625478U (en) | A kind of Informalized teaching device | |
| CN202917022U (en) | English learning aiding device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |