磁性书写膜、教学书写板、推拉式教学书写板、智慧黑板
By combining magnetic writing film and liquid writing pen, the problems of dust pollution and monotonous blackboard writing are solved, enabling diverse writing methods and preservation of clear handwriting.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Filing Date
- 2025-04-23
- Publication Date
- 2026-07-17
AI Technical Summary
Traditional chalk writing on blackboards causes dust pollution and resource consumption problems, and the single magnetic writing method results in poor blackboard writing quality.
It adopts a magnetic writing film, including a base film, a magnetic microcapsule layer and a transparent writing coating, which supports the use of magnetic and liquid writing pens. Combined with a handwriting recognition module and an elastic buffer layer, it enhances the diversity of writing and the presentation effect.
It reduces dust pollution, enhances the diversity of handwriting colors and writing styles, improves the presentation of blackboard writing, and supports handwriting recognition and preservation.
Smart Images
Figure CN224510718U_ABST
Abstract
Claims
1. A teaching writing board, characterized in that, The teaching writing board includes a writing board body, and the writing board body includes: Writing substrate; and A magnetic writing film includes a base film, a magnetic microcapsule layer, and a surface film. The base film is disposed on one side of the writing substrate, and the magnetic microcapsule layer is attached to the side of the base film facing away from the writing substrate. The magnetic microcapsule layer includes an aqueous adhesive and magnetic microcapsules dispersed in the aqueous adhesive. The magnetic microcapsules include a wall material and a core material wrapped by the wall material. The core material includes magnetic particles. The surface film includes a transparent substrate layer and a transparent writing coating. The transparent substrate layer is disposed on the side of the magnetic microcapsule layer opposite to the bottom film, and the transparent writing coating is disposed on the side of the transparent substrate layer opposite to the magnetic microcapsule layer. The transparent writing coating includes resin and microparticles dispersed in the resin. The transparent writing coating is used for writing with magnetic writing pens and liquid writing pens.
2. The educational writing board of claim 1, wherein, It also includes a handwriting recognition module, which is installed on the writing board body and is used to recognize the handwriting information written on the magnetic writing film.
3. The educational writing board of claim 2, wherein, It also includes a border structure, which includes four side borders, each of which is correspondingly arranged on the four sides of the writing board body; the handwriting recognition module includes an infrared emitting unit and an infrared receiving unit disposed on the side borders. In each pair of opposing side frames, one side frame is provided with a plurality of infrared emitting units, and the other side frame is provided with a plurality of infrared receiving units corresponding one-to-one with the plurality of infrared emitting units.
4. The educational writing board of claim 2, wherein, The handwriting recognition module is a capacitive touch film covering the surface film.
5. The educational writing board of claim 1, wherein, The writing board body also includes an elastic buffer layer, which is disposed between the writing substrate and the magnetic writing film.
6. The educational writing board of claim 5, wherein, The elastic buffer layer is a double-sided adhesive, which includes an elastic substrate layer and two adhesive layers disposed on both sides of the elastic substrate layer; the adhesive layer on one side of the elastic substrate layer is bonded to the writing substrate, and the adhesive layer on the other side of the elastic substrate layer is bonded to the magnetic writing film.
7. The educational writing board of claim 1, wherein The writing substrate is made of a non-ferromagnetic material.
8. The educational writing board of claim 7, wherein, The writing substrate includes two layers of clamping plates and a core plate connected between the two layers of clamping plates. The density of the core plate is less than that of the clamping plates. Both the core plate and the clamping plates are made of non-ferromagnetic materials.
9. The educational writing board of claim 8, wherein, The clamping plate is made of pure aluminum plate; and / or the core board is made of rigid foam board.
10. The educational writing board of claim 1, wherein, It also includes a magnetic eraser, which is used to erase the writing of the magnetic pen on the writing board body.
11. A push-pull teaching writing board characterized by, The push-pull teaching writing board includes: Support components; The display screen is mounted on the support assembly; At least one fixed writing board is mounted on the support assembly; At least one movable writing pad is slidably mounted on the support assembly so that the movable writing pad can switch between a position covering the fixed writing pad and a position covering the display screen; The fixed writing board and / or the movable writing board are the teaching writing boards according to any one of claims 1-10.
12. A smart blackboard, characterized by, The smart blackboard includes: a support component, a display screen mounted on the support component, and a teaching writing board mounted on the support component, wherein the writing surface of the teaching writing board is flush with the display surface of the display screen; The teaching writing board is the teaching writing board according to any one of claims 1-10.
13. A magnetic writing film, characterized by, The magnetic writing membrane includes: a base film, a magnetic microcapsule layer, and a surface film. The magnetic microcapsule layer is attached to one side of the base film. The magnetic microcapsule layer includes an aqueous adhesive and magnetic microcapsules dispersed in the aqueous adhesive. The magnetic microcapsules include a wall material and a core material wrapped by the wall material. The core material includes magnetic particles. The surface film includes a transparent substrate layer and a transparent writing coating. The transparent substrate layer is disposed on the side of the magnetic microcapsule layer opposite to the bottom film, and the transparent writing coating is disposed on the side of the transparent substrate layer opposite to the magnetic microcapsule layer. The transparent writing coating includes resin and microparticles dispersed in the resin. The transparent writing coating is used for writing with magnetic writing pens and liquid writing pens.
14. The magnetic writing film of claim 13, wherein, The particles are silicon dioxide (SiO2), aluminum oxide (Al2O3), or organic microspheres.