CN109703250A - A kind of dust suction cloth - Google Patents
A kind of dust suction cloth Download PDFInfo
- Publication number
- CN109703250A CN109703250A CN201711063629.0A CN201711063629A CN109703250A CN 109703250 A CN109703250 A CN 109703250A CN 201711063629 A CN201711063629 A CN 201711063629A CN 109703250 A CN109703250 A CN 109703250A
- Authority
- CN
- China
- Prior art keywords
- dust suction
- suction cloth
- dust
- cloth
- blackboard
- 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.)
- Pending
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- Drawing Aids And Blackboards (AREA)
Abstract
A kind of dust suction cloth, including cup body, bottom of cup are equipped with heater.It, which can solve, can generate a large amount of dust when erasing the board, they fly in classroom, the unfavorable technical problem of the health to teachers and students.
Description
Technical field
The present invention relates to a kind of dust suction cloth.
Background technique
Our classroom teaching now, though having popularized electronic whiteboard, most schools teacher still uses chalk, is wiping
A large amount of dust can be generated when blackboard, they fly in classroom, and it is unfavorable to the health of teachers and students, so I contemplates with dust suction cloth
To adsorb chalk dust, injury of the reduction dust to us.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of dust suction cloth, it can solve can generate largely when erasing the board
Dust, they fly in classroom, to the unfavorable technical problem of health of teachers and students.
To solve the above-mentioned problems, the invention solves technical solution are as follows:
A kind of dust suction cloth, including blackboard, blackboard four sides bottom are equipped with dust suction cloth.
Positive charge layer and negative electrical charge are disposed in dust suction cloth.
Technical effect of the invention are as follows: in use, the electric current generated by the positive and negative charge contained in dust suction cloth, to reach
To absorption chalk dust.
Detailed description of the invention
Following further describes the present invention with reference to the drawings:
Fig. 1 is the structural diagram of the present invention.
Specific embodiment
As shown in Figure 1, a kind of dust suction cloth, including blackboard 1,1 four sides bottom of blackboard are equipped with dust suction cloth 2.
Positive charge layer 3 and negative electrical charge 4 are disposed in dust suction cloth 2.
In use, the electric current generated by the positive and negative charge contained in dust suction cloth, to reach absorption chalk dust.
Claims (2)
1. a kind of dust suction cloth, it is characterised in that: including blackboard (1), blackboard (1) four sides bottom is equipped with dust suction cloth (2).
2. dust suction cloth according to claim 1, it is characterised in that: be disposed with positive charge layer (3) in dust suction cloth (2)
With negative electrical charge (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711063629.0A CN109703250A (en) | 2017-10-25 | 2017-10-25 | A kind of dust suction cloth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711063629.0A CN109703250A (en) | 2017-10-25 | 2017-10-25 | A kind of dust suction cloth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109703250A true CN109703250A (en) | 2019-05-03 |
Family
ID=66253153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711063629.0A Pending CN109703250A (en) | 2017-10-25 | 2017-10-25 | A kind of dust suction cloth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109703250A (en) |
-
2017
- 2017-10-25 CN CN201711063629.0A patent/CN109703250A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190503 |
|
| WD01 | Invention patent application deemed withdrawn after publication |