Dust absorption cloth
A technology of blackboard and positive charge layer, applied in the field of dust-absorbing cloth, can solve the problems of unfavorable health of teachers and students
Inactive Publication Date: 2019-05-03
陶宇
View PDF0 Cites 0 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
[0003] The technical problem to be solved by the present invention is to provide a dust-absorbing cloth, which can solve the technical problem that a large amount of dust will be generated when wiping the blackboard, and they float in the classroom, which is harmful to the health of teachers and students
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0010] Such as figure 1 As shown, a dust-absorbing cloth includes a blackboard 1, and a dust-absorbing cloth 2 is provided on the four sides of the blackboard 1 at the bottom.
[0011] A positive charge layer 3 and a negative charge 4 are sequentially arranged in the dust-absorbing cloth 2 .
[0012] When in use, the current generated by the positive and negative charges contained in the dust-absorbing cloth can absorb chalk dust.
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more PUM
Login to view more Abstract
The invention provides a dust absorption cloth, comprising a cup body, and a heater is arranged at the bottom of the cup body. The dust absorption cloth provided by the invention can solve the technical problem that a large amount of dust generates when erasing a blackboard, the dust floats in the classroom and is not beneficial to the health of teachers and students.
Description
technical field [0001] The invention relates to a dust-absorbing cloth. Background technique [0002] Now in our classroom teaching, although electronic whiteboards have been popularized, most school teachers still use chalk, which will generate a lot of dust when wiping the blackboard, which floats in the classroom and is not good for the health of teachers and students, so I thought of using Vacuum cloth to absorb chalk dust and reduce the damage of dust to us. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a dust-absorbing cloth, which can solve the technical problem that a large amount of dust will be generated when wiping the blackboard, and they float in the classroom, which is harmful to the health of teachers and students. [0004] In order to solve the above problems, the technical solution to be solved in the present invention is: [0005] A dust-absorbing cloth comprises a blackboard, and the bottom...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more Application Information
Patent Timeline
Login to view more Patent Type & Authority Applications(China)
IPC IPC(8): B43L21/02
Inventor 陶宇
Owner 陶宇
Who we serve
- R&D Engineer
- R&D Manager
- IP Professional
Why Eureka
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Social media
Try Eureka
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap