CN103847380A - Teaching chalk dust collecting system - Google Patents
Teaching chalk dust collecting system Download PDFInfo
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- CN103847380A CN103847380A CN201210503068.2A CN201210503068A CN103847380A CN 103847380 A CN103847380 A CN 103847380A CN 201210503068 A CN201210503068 A CN 201210503068A CN 103847380 A CN103847380 A CN 103847380A
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- China
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- chalk dust
- blackboard
- chalk
- extractor fan
- blackboard eraser
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Abstract
The invention discloses a teaching chalk dust collecting system, wherein a cavity is formed inside a blackboard eraser, and a plurality of dust absorption holes are formed at the periphery of the blackboard eraser and communicated with the cavity; all blackboard erasers are connected with corresponding chalk dust collection pipes, respectively, the chalk dust collection pipes are communicated with the cavity, an air draft device is arranged in each chalk dust collection pipe, the other ends of all the chalk dust collection pipes are communicated with a chalk dust collection chamber, and water for dissolving the chalk dust is held at the bottom of the chalk dust collection chamber. The chalk dust collection chamber suppresses harm on the environment due to the chalk dust flying everywhere, reduces the harm of the chalk dust to the health of teachers and students, and is advantageous for creating an excellent teaching environment. Most part of chalk dust can be absorbed in the chalk dust collection chamber by virtue of the chalk dust collection pipes and the air draft devices, and therefore, secondary recovery and reutilization of the chalk dust can be realized, and waste is turned into wealth.
Description
Technical field
The ancillary technique that the present invention relates to impart knowledge to students improves, and specifically refers to the system that a kind of chalk dust that writing on the blackboard produces on blackboard to chalk is collected.
Background technology
In the education activities of school, still use in a large number at present chalk.The harm of chalk is all self-evident, and not only form chalk dust airborne dust and enter air, harm surrounding environment, serious threat is to teacher's physical and mental health to the more important thing is it, and therefore many line teachers suffer from PUD D, and its arch-criminal is exactly chalk dust.This phenomenon is more serious in poor outlying district teaching body, because they use chalk writing for a long time, can not well be had a rest and treat again.On the other hand, chalk dust again can recycling, but current situation is, not only do not obtain effective recycling, and become the factor of health risk in everybody eye, be i.e. own useful thing, not only do not obtain everybody utilization, become on the contrary the object that everybody abhors, this is contradiction, causes again the loss of two aspects.
Summary of the invention
There is the above-mentioned deficiency of chalk dust harm environment and teacher's health for prior art, the object of the present invention is to provide a kind of chalk ash collection system, native system had both avoided chalk dust to the particularly harm of teacher's health of environment, can turn waste into wealth again, realize the recycling of chalk dust simultaneously.
To achieve these goals, the technical solution used in the present invention is such:
A kind of teaching chalk ash gathering system, comprises some blackboard erasers, and every blackboard eraser is with to be arranged on blackboard for education on wall corresponding one by one; Be provided with a cavity in blackboard eraser inside, be provided with some air suction openings around blackboard eraser, air suction opening communicates with cavity; All blackboard erasers are connected with each self-corresponding chalk dust recovery tube respectively, chalk dust recovery tube communicates with this cavity, in each root chalk dust recovery tube, be equipped with extractor fan, all chalk dust recovery tube other ends reclaim chamber with chalk dust and communicate, and reclaim bottom, chamber fill the water for dissolving chalk dust at chalk dust.
Described blackboard eraser is arranged on blackboard and can be taken off by installing component, some is embedded in chalk dust recovery tube in body of wall, it is tractile corrugated flexible hose that chalk dust recovery tube stretches out that section that body of wall is connected with blackboard eraser, elongates length and at least guarantees that blackboard eraser can reach the optional position of blackboard.Owing to elongating, in the time that needs erase the board, blackboard eraser can be taken off from blackboard, on blackboard, drift erases the board.
All blackboard erasers form some groups, and every group of chalk dust recovery tube corresponding to blackboard eraser is pooled to secondary gathering tube, and all secondary gathering tubes again unification are pooled to total recovery tube, reclaim chamber be connected by total recovery tube and chalk dust.
Because blackboard, blackboard eraser, chalk dust recovery tube and the complete appearance of extractor fan are corresponding one by one, the chalk dust suction chalk dust that they produce this blackboard jointly reclaims chamber and collects and dissolve, and every covering device is independent of one another, does not affect separately and uses.Therefore, every extractor fan corresponding to blackboard eraser need to be opened separately or close, and its specific implementation is mainly following two kinds:
1, described blackboard eraser is provided with extractor fan switch, and extractor fan switch connects by the wire extractor fan corresponding with this blackboard eraser, and described wire is attached on chalk dust recovery tube.When erasing the board, need to press artificially switch at every turn, make extractor fan work and take chalk dust away.2, on described blackboard, be provided with and often drive extractor fan switch at blackboard eraser installation position place, often driving extractor fan switch connects by the wire extractor fan corresponding with this blackboard, when blackboard eraser is when blackboard takes off, often open extractor fan switch closure corresponding extractor fan is opened and carried out exhausting.This unlatching or to close be automatically, in the time that blackboard eraser hangs on blackboard, owing to not erasing the board, so extractor fan is in stopped status; Once take off, to indicate to have erased the board, extractor fan (motor) works on power.The second structure intelligentization is relatively good, and neither waste electricity does not exist yet and while erasing the board, also do not open extractor fan.
Compared to existing technology, the present invention has following beneficial effect:
1, suppressed that chalk dust disperses everywhere and harm that environment is brought has reduced the harm of chalk dust to Faculty and Students' health, be conducive to build a good teaching environment.
2, most chalk dusts can be absorbed and enter chalk dust recovery chamber by chalk dust recovery tube and extractor fan, thereby be beneficial to secondary recovery utilization, turn waste into wealth.
Accompanying drawing explanation
The single blackboard eraser syndeton of Fig. 1-the present invention schematic diagram.
Fig. 2-wiping blackboard structure schematic diagram of the present invention.
Fig. 3-overall structure schematic diagram of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
Referring to Fig. 1, Fig. 2 and Fig. 3, from scheming, can find out, teaching chalk of the present invention ash gathering system, comprises some blackboard erasers 1, every blackboard eraser 1 is with to be arranged on blackboard for education 2 on wall 3 corresponding one by one; Be provided with a cavity 4 in blackboard eraser 1 inside, around blackboard eraser 1 and on the base plate of installation bristle, be provided with some air suction openings 5, air suction opening 5 communicates with cavity 4; All blackboard erasers 1 are connected with each self-corresponding chalk dust recovery tube 6 respectively, and chalk dust recovery tube 6 communicates with this cavity 4 by cavity outlet 7, in each root chalk dust recovery tube 6, are equipped with extractor fan 8.All chalk dust recovery tube 6 other ends reclaim chamber 9 with chalk dust and communicate, and reclaim 9 bottoms, chamber fill the water 10 for dissolving chalk dust at chalk dust.
Described blackboard eraser 1 is arranged on blackboard 2 and can be taken off by installing component, some is embedded in chalk dust recovery tube 6 in body of wall 3 and (is similar to water pipe installation situation in body of wall, mainly to avoid pipe to expose), it is tractile corrugated flexible hose that chalk dust recovery tube 6 stretches out that section that body of wall is connected with blackboard eraser 1, elongates length and at least guarantees that blackboard eraser can reach the optional position of blackboard.Owing to elongating, in the time that needs erase the board, blackboard eraser can be taken off from blackboard, on blackboard, drift erases the board.
Because blackboard 2, blackboard eraser 1, chalk dust recovery tube 6 and the complete appearance of extractor fan 8 are corresponding one by one, the chalk dust suction chalk dust that they produce this blackboard jointly reclaims chamber 9 and collects and dissolve, and every covering device is independent of one another, does not affect separately and uses.Therefore, the extractor fan 8 of every blackboard eraser 1 correspondence need to be opened separately or close, and its specific implementation is mainly following two kinds:
1, described blackboard eraser is provided with extractor fan switch, and extractor fan switch connects by the wire extractor fan corresponding with this blackboard eraser, and described wire is attached on chalk dust recovery tube.When erasing the board, need to press artificially switch at every turn, make extractor fan work and take chalk dust away.2, on described blackboard, be provided with and often drive extractor fan switch at blackboard eraser installation position place, often driving extractor fan switch connects by the wire extractor fan corresponding with this blackboard, when blackboard eraser is when blackboard takes off, often open extractor fan switch closure corresponding extractor fan is opened and carried out exhausting.This unlatching or to close be automatically, in the time that blackboard eraser hangs on blackboard, owing to not erasing the board, so extractor fan is in stopped status; Once take off, to indicate to have erased the board, extractor fan (motor) works on power.The second structure intelligentization is relatively good, and neither waste electricity does not exist yet and while erasing the board, also do not open extractor fan.
In view of the school size having very large, class's number is a lot, can consider that some classrooms are as one group, the chalk dust recovery tube in each classroom of this group is pooled to secondary gathering tube 11, all secondary gathering tubes 11 again unification are pooled to total recovery tube 12, reclaim chamber 9 by total recovery tube 12 and chalk dust and be connected, see Fig. 3.
Compared to existing technology, the present invention has following beneficial effect:
1, suppressed that chalk dust disperses everywhere and harm that environment is brought has reduced the harm of chalk dust to Faculty and Students' health, be conducive to build a good teaching environment.
2, most chalk dusts can be absorbed and enter chalk dust recovery chamber by chalk dust recovery tube and extractor fan, thereby be beneficial to secondary recovery utilization, turn waste into wealth.
A set of native system is installed by suggestion each school under the unified plan of various places Education Commission, the chalk dust that all classrooms produce is summed up after reclaiming and is entered chalk dust recovery chamber, the chalk dust quantity of collecting for 1 year is considerable, both reduced the health hazard to teachers and students, the chalk that has alleviated again school is bought input, also be beneficial to national environmental protection construction simultaneously, achieve many things at one stroke.
Native system both can be for the construction of Protestantism house, the reconstruction that also can give up for original religion, and cost increases few, but social benefit is remarkable.
Finally explanation is, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement technical scheme of the present invention, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of claim scope of the present invention.
Claims (5)
1. a teaching chalk ash gathering system, comprise some blackboard erasers (1), every blackboard eraser is with to be arranged on blackboard for education on wall corresponding one by one, it is characterized in that: be provided with a cavity (4) in blackboard eraser (1) inside, around blackboard eraser (1), be provided with some air suction openings (5), air suction opening (5) communicates with cavity (4); All blackboard erasers (1) are connected with each self-corresponding chalk dust recovery tube (6) respectively, chalk dust recovery tube (6) communicates with this cavity (4), in each root chalk dust recovery tube (6), be equipped with extractor fan (8), all chalk dust recovery tubes (6) other end reclaims chamber (9) with chalk dust and communicates, and reclaims bottom, chamber (9) fill the water (10) for dissolving chalk dust at chalk dust.
2. chalk ash collection system according to claim 1, it is characterized in that: described blackboard eraser is arranged on blackboard and can be taken off by installing component, some is embedded in chalk dust recovery tube (6) in body of wall, and it is tractile corrugated flexible hose that chalk dust recovery tube stretches out that section that body of wall is connected with blackboard eraser.
3. chalk ash collection system according to claim 2, it is characterized in that: all blackboard erasers form some groups, every group of chalk dust recovery tube (6) corresponding to blackboard eraser is pooled to secondary gathering tube (11), all secondary gathering tubes (11) are the unified total recovery tube (12) that is pooled to again, reclaims chamber (9) be connected by total recovery tube (12) and chalk dust.
4. chalk ash collection system according to claim 3, is characterized in that: described blackboard eraser is provided with extractor fan switch, and extractor fan switch connects by the wire extractor fan corresponding with this blackboard eraser, and described wire is attached on chalk dust recovery tube.
5. chalk ash collection system according to claim 3, it is characterized in that: on described blackboard, be provided with and often drive extractor fan switch at blackboard eraser installation position place, often driving extractor fan switch connects by the wire extractor fan corresponding with this blackboard, when blackboard eraser is when blackboard takes off, often open extractor fan switch closure corresponding extractor fan is opened and carried out exhausting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210503068.2A CN103847380A (en) | 2012-11-30 | 2012-11-30 | Teaching chalk dust collecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210503068.2A CN103847380A (en) | 2012-11-30 | 2012-11-30 | Teaching chalk dust collecting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103847380A true CN103847380A (en) | 2014-06-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210503068.2A Pending CN103847380A (en) | 2012-11-30 | 2012-11-30 | Teaching chalk dust collecting system |
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| CN (1) | CN103847380A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104742624A (en) * | 2015-04-13 | 2015-07-01 | 石昌远 | Dust-free blackboard eraser |
| CN106394085A (en) * | 2016-12-02 | 2017-02-15 | 辛顺强 | Blackboard erasing and dust removing device for teaching building |
| CN107399187A (en) * | 2017-07-19 | 2017-11-28 | 江苏大学 | A kind of dust-precipitating system of chalk recycling |
-
2012
- 2012-11-30 CN CN201210503068.2A patent/CN103847380A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104742624A (en) * | 2015-04-13 | 2015-07-01 | 石昌远 | Dust-free blackboard eraser |
| CN106394085A (en) * | 2016-12-02 | 2017-02-15 | 辛顺强 | Blackboard erasing and dust removing device for teaching building |
| CN107399187A (en) * | 2017-07-19 | 2017-11-28 | 江苏大学 | A kind of dust-precipitating system of chalk recycling |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140611 |