CN107399187A - A kind of dust-precipitating system of chalk recycling - Google Patents
A kind of dust-precipitating system of chalk recycling Download PDFInfo
- Publication number
- CN107399187A CN107399187A CN201710588211.5A CN201710588211A CN107399187A CN 107399187 A CN107399187 A CN 107399187A CN 201710588211 A CN201710588211 A CN 201710588211A CN 107399187 A CN107399187 A CN 107399187A
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- China
- Prior art keywords
- chalk
- ash
- dust
- housing
- electric device
- 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.)
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- 238000004064 recycling Methods 0.000 title claims abstract description 16
- 239000000428 dust Substances 0.000 claims abstract description 61
- 230000001172 regenerating effect Effects 0.000 claims abstract description 17
- 238000013019 agitation Methods 0.000 claims description 34
- 239000007788 liquid Substances 0.000 claims description 19
- 238000003756 stirring Methods 0.000 claims description 11
- 230000005611 electricity Effects 0.000 claims description 6
- 239000004744 fabric Substances 0.000 claims description 4
- 230000001939 inductive effect Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 229910052799 carbon Inorganic materials 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 235000011837 pasties Nutrition 0.000 description 11
- 101100002917 Caenorhabditis elegans ash-2 gene Proteins 0.000 description 9
- 239000000843 powder Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000004276 hyalin Anatomy 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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
- B43L1/04—Blackboards
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K19/00—Non-propelling pencils; Styles; Crayons; Chalks
- B43K19/003—Chalks
-
- 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
- B43L21/00—Blackboard or slate cleaning devices
- B43L21/02—Blackboard or slate cleaning devices with means for absorbing the chalk dust
Landscapes
- Processing Of Solid Wastes (AREA)
Abstract
The present invention provides a kind of dust-precipitating system of chalk recycling, including blackboard body, upper suction apparatus for ash, lower suction apparatus for ash, chalk regenerating unit blower unit, controller and display screen；Upper suction apparatus for ash, lower suction apparatus for ash are connected by conduit with chalk regenerating unit, realize when teacher attends class and erased the board, chalk dust is sucked and is used for the function of secondary making chalk by the system automatically, so as to build a good teaching and academic environment, chalk dust secondary use is set to have the function that energy-saving low-carbon environmental protection again.Air-introduced machine is started working in chalk regenerating unit, so that device air pressure inside reduces, chalk dust can enter chalk regenerating unit by upper suction apparatus for ash, the lower hole of blackboard rooved face for inhaling apparatus for ash by conduit, when chalk ash collection to a certain extent after proceed by chalk making again.The system, which is one, has that production cost is low, simple in construction, the scope of application is wide, the patent of invention of multiple features such as easy to use, practical.
Description
Technical field
The invention belongs to chalk research field, and in particular to a kind of dust-precipitating system of chalk recycling.
Background technology
At present, widely used blackboard dust-collector has the U.S. in European and American developed countries educate:GBC Office
Products Group Little Giant Eraser Cleaner, the third generation product of Panasonic Electric Equipment Industrial Co., Ltd
MC330E etc..The driven blackboard dust catcher of above-mentioned Japan and the U.S. is technically ripe, and developed country abroad
Use is commonly available, but because cost is higher, it is difficult to be adapted to the educational undertaking in China.
Patent papers such as domestic existing blackboard or blackboard eraser etc. are made a general survey of, have found that while the correlation for improving the devices such as blackboard
Patent paper as many as thousand, but really put into daily life and play practical function and it is few.All rest on mostly
Theoretical design aspect, it can not really go to put into production application.
Such as Chinese patent ZL 201410754956.0, " a kind of dust-absorbing blackboard " disclose one kind and both save manpower, do again
The dust-absorbing blackboard suitable for education activities of net health.But in actual use, find to be provided with its blackboard eraser cavity
6-8 motor adds an air exhauster, and not only noise hardly results in and controls and used when being not suitable at school during its work, and
Its power consumption is larger, and system overall operation is still improved space.
In another example Chinese patent ZL 201310095407.2, " a kind of dust-free blackboard ", which discloses, a kind of does not produce dust
Blackboard.But according to its design in actual use, find only by under the hairbrush and blackboard slot at left and right sides of blackboard eraser
The powder collecting tank of side, it is difficult to ensure that chalk dust is efficiently absorbed when erasing the board, so not reaching its default " dustless "
Target.
The content of the invention
The purpose of the present invention is to provide a kind of achievable classroom " greenization " regarding to the issue above, can absorb chalk again
Ash is used for the dust-precipitating system that a kind of chalk of chalk secondary recycling recycles.
The technical scheme is that：A kind of dust-precipitating system of chalk recycling, including blackboard body, upper suction apparatus for ash,
Lower suction apparatus for ash, chalk regenerating unit, blower unit, controller and display screen；
The upper upside inhaled apparatus for ash and be arranged on blackboard body, the lower downside inhaled apparatus for ash and be arranged on blackboard body；Institute
State the lower surface for inhaling apparatus for ash and the lower upper surface for inhaling apparatus for ash is respectively equipped with blackboard slot, if the surface of the blackboard slot is provided with
Dry hole hole；
The chalk regenerating unit includes housing, be provided with the housing agitation electric device, stirring bar, heater,
Liquid container, electric finisher, mould, sensor and bottom plate；The agitation electric device is arranged on the top of housing and agitation electricity
The stirring bar of dynamic device is stretched into housing；The heater is arranged on the end of stirring bar；The bottom plate is located at housing bottom, institute
State mould to be placed in substrate and electrically connect with the mould electric device of hull outside, the electric finisher is arranged on mould
Upper surface；The mould electric device is arranged on outside housing, and mould electric device electrically connects with mould；The liquid container bottom is set
There is through hole, through hole is connected with enclosure interior by conduit, is provided with magnetic valve on the conduit；
The blower unit connects with housing, and the housing is by conduit respectively with upper suction apparatus for ash and lower inhaling apparatus for ash
Blackboard slot connects；
The sensor is arranged on housing, and the sensor is used for the height for detecting enclosure interior chalk dust；
The controller respectively with blower unit, agitation electric device, heater, electric finisher, mould electric device, electricity
Magnet valve, sensor and display screen electrical connection；
The controller control blower unit work, the chalk for being collected upper suction apparatus for ash and lower suction apparatus for ash by conduit
Grey suction casing, when chalk dust highly reaches preset value, the sensor sends a signal to controller, and controller control is stirred
Dynamic electric device is started working, and controls magnetic valve to open, and liquid flows out from liquid container, and heater is started working, excessively necessarily
Preset time, chalk dust is into pasty state, and controller control agitation electric device is stopped, closed electromagnetic valve, heater stop
Work, controller control electric finisher mold removal upper surface, the chalk dust of pasty state enter mould, controller control mould electricity
Dynamic device work, after spending the certain predetermined time, after chalk dust solidifies well in a mold, controller control mould electric device stops work
Make, and control electric finisher to be moved back to the upper surface of mould, and the chalk dust residue of die surface is blown off, chalk dust residue meeting
Into bottom plate, chalk manufacturing process is efficiently completed.
In such scheme, the upper lower surface for inhaling apparatus for ash and the lower upper surface for inhaling apparatus for ash are respectively equipped with blackboard slot,
The surface of the blackboard slot is provided with some holes.
Further, the upper suction apparatus for ash and the lower blackboard slot both sides for inhaling apparatus for ash are respectively equipped with baffle plate.
In such scheme, the position that the housing connects with blower unit is provided with screen cloth, and the minimum guarantee in its aperture will not allow
Chalk dust suck-back enters inside air-introduced machine.
In such scheme, the blower unit is air-introduced machine, and air-introduced machine work ensures that pressure reduces in device, is internally formed
Negative pressure, can suck chalk dust, and chalk dust enters chalk regeneration dress from upper suction apparatus for ash and lower suction apparatus for ash suction by conduit
The housing put.
In such scheme, the heater is resistance heater.
In such scheme, the shell of the agitation electric device is detachable, and the liquid container is arranged on agitation electric device
It is internal.
In such scheme, agitation electric device, heater and the magnetic valve electrically connect with the first controlling switch；The mould
Tool electric device and electric finisher electrically connect with the second controlling switch；The top of the housing is divided into transparent shell；It is described transparent
Housing is provided with chalk dust height marking line., can be with by such design when chalk dust exceedes chalk dust height marking line
The work of the controlling switch of manual unlocking first control agitation electric device, magnetic valve open liquid outflow, and heater is started working, powder
Pen ash turns off the first controlling switch, control agitation electric device is stopped, closed electromagnetic valve, heater stop work into pasty state
Make；The second controlling switch, control electric finisher mold removal upper surface are opened, the chalk dust of pasty state enters mould, mould electricity
Dynamic device work, after chalk dust has solidified in a mold, turning off the second controlling switch makes mould electric device be stopped, electronic to scrape
Flat device is moved back to the upper surface of mould, and the chalk dust residue of die surface is blown off, and chalk dust residue can enter bottom plate, can be with hand
It is dynamic to complete chalk manufacturing process.
Compared with prior art, the beneficial effects of the invention are as follows：
1. the present invention is can be applicable to the religion such as each school with efficient absorption chalk dust and for the secondary making of chalk
Place is learned, by effectively collecting chalk dust, ensure that the health of academics and students, has built a good teaching and study ring
Border, chalk dust secondary use is haveed the function that energy-saving low-carbon environmental protection again, have that production cost is low, the simple in construction, scope of application
The advantages that wide, easy to use, practical.The present invention makes academics and students no longer worry the harm of chalk dust, and
The chalk dust of absorption makes new chalk as raw material, meets the themes of the times of current low-carbon environment-friendly.
2. apparatus for ash, the lower combination for inhaling apparatus for ash and chalk regenerating unit and blackboard body structure are inhaled in the present invention.It is described
The upper baffle plate inhaled apparatus for ash and the lower blackboard slot for inhaling apparatus for ash surface and there is the hole of marshalling and prevent chalk from tumbling, institute
State inhale apparatus for ash, it is lower suction apparatus for ash be connected by conduit with the chalk regenerating unit, it is simple in construction.
3. the position that housing of the present invention connects with blower unit is provided with screen cloth, the minimum guarantee in its aperture will not allow chalk
Grey suck-back enters inside air-introduced machine.
4. the shell of agitation electric device of the present invention is detachable, the liquid container is arranged on the interior of agitation electric device
Portion, water can be added toward minisize liquid receptacle by periodically opening the shell of agitation electric device, and the effect of water is to speed up chalk dust and stirred
Turn into pasty state when mixing.
5. electric finisher of the present invention can translate, the chalk dust that die surface is introduced into mould is blown off, and chalk is residual
Slag can enter bottom plate, open bottom plate, and the chalk that cleaning chalk dust and taking-up are made is used.
6. agitation electric device, heater and magnetic valve of the present invention electrically connect with the first controlling switch；The mould
Electric device and electric finisher electrically connect with the second controlling switch, and the top of the housing is divided into transparent shell；The hyaline test
Body is provided with chalk dust height marking line, can be collected chalk dust by such design manual control system and make powder
Pen.
Brief description of the drawings
Fig. 1 is the structural scheme of mechanism of the whole device of an embodiment of the present invention；
Fig. 2 is the top view of the lower suction apparatus for ash of an embodiment of the present invention；
Fig. 3 is the interior views of the chalk regenerating unit of an embodiment of the present invention.
In figure, 1- blackboard bodies；Apparatus for ash is inhaled on 2-；Apparatus for ash is inhaled under 3-；4- conduits；5- chalk regenerating units；6- moulds
Has electric device；The controlling switches of 7- second；The controlling switches of 8- first；9- stirs electric device；10- air-introduced machines；Apparatus for ash table is inhaled under 11-
The hole of face blackboard slot marshalling；12- stirring bars；13- electric finishers；14- moulds；15- bottom plates；16- heaters；
17- housings.
Embodiment
The present invention is described in further detail with reference to the accompanying drawings and detailed description, but protection scope of the present invention
It is not limited to this.
Fig. 1 show a kind of embodiment of dust-precipitating system of chalk recycling of the present invention, the chalk recycling
Dust-precipitating system, including blackboard body 1, upper suction apparatus for ash 2, lower suction apparatus for ash 3, chalk regenerating unit 5, blower unit, controller
And display screen.
The upper upside inhaled apparatus for ash 2 and be arranged on blackboard body 1, lower suction apparatus for ash 3 are arranged under blackboard body 1
Side；The upper lower surface for inhaling apparatus for ash 2 and the lower upper surface for inhaling apparatus for ash 3 are respectively equipped with blackboard slot, the table of the blackboard slot
Face is provided with some holes 11.As shown in Fig. 2 the upper lower surface for inhaling apparatus for ash 2 and the lower upper surface for inhaling apparatus for ash 3 are set respectively
There is blackboard slot, the surface of the blackboard slot is provided with some holes 11.The upper blackboard slot for inhaling apparatus for ash 2 and lower suction apparatus for ash 3
Both sides are respectively equipped with baffle plate.
As shown in figure 3, the chalk regenerating unit 5 includes housing 17, be provided with the housing 17 agitation electric device 9,
Stirring bar 12, heater 16, liquid container, electric finisher 13, mould 14, sensor and bottom plate 15；The agitation is electronic
Device 9 is arranged on the top of housing 17 and the stirring bar 12 of agitation electric device 9 gos deep into housing 17；The heater 16 is installed
In the end of stirring bar 12；The bottom plate 15 is located at the bottom of housing 17, the mould 14 be placed in bottom plate 15 above and with housing 17
Outside mould electric device 6 electrically connects, and the electric finisher 13 is arranged on the upper surface of mould 14；The mould electric device 6
Installed in the outside of housing 17, mould electric device 6 electrically connects with mould 14；The liquid container bottom is provided with through hole, and through hole passes through
Conduit connects with the inside of housing 17, is provided with magnetic valve on the conduit.
The blower unit connects with housing 17, and the housing 17 is grey with upper suction apparatus for ash 2 and lower suction respectively by conduit 4
The blackboard slot connection of device 3.
The sensor is arranged on housing 17, and the sensor is used for the height for detecting the inside chalk dust of housing 17；
The controller respectively with blower unit, agitation electric device 9, heater 16, electric finisher 13, mould electric
Device 6, magnetic valve, sensor and display screen electrical connection.
The controller control blower unit work, upper suction apparatus for ash 2 and lower suction apparatus for ash 3 are collected by conduit 4
Chalk dust suction casing 17, when chalk dust highly reaches preset value, the sensor sends a signal to controller, controller
Control agitation electric device 9 is started working, and controls magnetic valve to open, and liquid flows out from liquid container, and heater 16 starts work
Make, excessively certain preset time, chalk dust is stopped, closed electromagnetic valve, added into pasty state, controller control agitation electric device 9
Thermal 16 is stopped, and the upper surface of 13 mold removal of controller control electric finisher 14, the chalk dust of pasty state enters mould
14, controller control mould electric device 6 works, after the certain predetermined time, after chalk dust solidifies well in a mold, and controller
Control mould electric device 6 is stopped, and controls electric finisher 13 to be moved back to the upper surface of mould 14, and by the surface of mould 14
Chalk dust residue is blown off, and chalk dust residue can enter bottom plate 15, efficiently completes chalk manufacturing process.
The position that the housing 17 connects with blower unit 10 is provided with screen cloth, and the minimum guarantee in its aperture will not allow chalk dust to fall
Suck inside air-introduced machine.Preferably, the blower unit 10 is air-introduced machine 10, and the work of air-introduced machine 10 ensures that pressure drops in device
It is low, negative pressure is internally formed, chalk dust can be sucked, chalk dust sucks from upper suction apparatus for ash 2 and lower suction apparatus for ash 3, passes through conduit
Into the housing of chalk regenerating unit 5.
The heater 16 is resistance heater.
The shell of the agitation electric device 9 is detachable, and the liquid container is arranged on the inside of agitation electric device 9.
Agitation electric device 9, heater and the magnetic valve electrically connect with the first controlling switch 8；The mould electric device 6
Electrically connected with electric finisher 13 with the second controlling switch 7；The top of the housing 17 is divided into transparent shell；The transparent shell
It is provided with chalk dust height marking line., can be manual by such design when chalk dust exceedes chalk dust height marking line
Open the first controlling switch 8 control agitation electric device 9 work, magnetic valve open liquid outflow, heater start working, chalk
Ash turns off the first controlling switch 8, control agitation electric device 9 is stopped, and closed electromagnetic valve, heater 16 stops into pasty state
Work；The second controlling switch 7, the upper surface of 13 mold removal of control electric finisher 14 are opened, the chalk dust of pasty state enters mould
14, mould electric device 6 works, and after chalk dust has solidified in a mold, turning off the second controlling switch 7 stops mould electric device 6
Only work, electric finisher 13 is moved back to the upper surface of mould 14, and the chalk dust residue on the surface of mould 14 is blown off, and chalk dust is residual
Slag can enter bottom plate 15, can manually complete chalk manufacturing process.
The present invention uses process：By controller or opening for air-introduced machine 10 is pressed when either classmate's teacher is erasing the board
Close, control blower unit work, at this moment air-introduced machine 10 is started working, and air pressure reduces in chalk regenerating unit 5, is internally formed negative
Pressure, the chalk dust danced in the air can pass through upper suction apparatus for ash 2 and the hole 11 of the lower blackboard rooved face for inhaling apparatus for ash 3 reaches blackboard slot
It is interior, then enter after the housing 17 of chalk regenerating unit 5 top that can be accumulated in electric finisher 13 by conduit 4, when chalk dust height
The sensor sends a signal to controller when degree reaches preset value, and controller control agitation electric device 9 is started working, and is controlled
Magnetic valve processed is opened, and liquid flows out from liquid container, and heater 16 is started working, excessively certain preset time, chalk dust into
Pasty state, controller control agitation electric device 9 are stopped, and closed electromagnetic valve, heater 16 is stopped, controller control electricity
The upper surface of 13 mold removal of dynamic strickle 14, the chalk dust of pasty state enter mould 14, and controller control mould electric device 6 works,
After the certain predetermined time, after chalk dust solidifies well in a mold, controller control mould electric device 6 is stopped, and controls
Electric finisher 13 processed is moved back to the upper surface of mould 14, and the chalk dust residue on the surface of mould 14 is blown off, chalk dust residue meeting
Into bottom plate 15, chalk manufacturing process is efficiently completed.Bottom plate 15 is opened, clears up chalk dust residue, mould 14 is taken out and therefrom takes
Go out the chalk made.
Those listed above is a series of to describe illustrating only for possible embodiments of the invention in detail,
They simultaneously are not used to limit the scope of the invention, all equivalent embodiments made without departing from skill spirit of the present invention or change
It should be included in the scope of the protection.
Claims (8)
1. a kind of dust-precipitating system of chalk recycling, it is characterised in that including blackboard body (1), upper suction apparatus for ash (2), lower suction
Apparatus for ash (3), chalk regenerating unit (5), blower unit, controller and display screen；
The upper upside inhaled apparatus for ash (2) and be arranged on blackboard body (1), lower apparatus for ash (3) of inhaling are arranged on blackboard body (1)
Downside；
The chalk regenerating unit (5) includes housing (17), and agitation electric device (9), stirring bar are provided with the housing (17)
(12), heater (16), liquid container, electric finisher (13), mould (14), sensor and bottom plate (15)；The agitation
Electric device (9) is arranged on the top of housing (17) and the stirring bar (12) of agitation electric device (9) is stretched into housing (17)；It is described
Heater (16) is arranged on the end of stirring bar (12)；The bottom plate (15) is located at housing (17) bottom, the mould (14)
It is placed in bottom plate (15) above and the mould electric device (6) outside with housing (17) electrically connects, electric finisher (13) installation
In the upper surface of mould (14)；The mould electric device (6) is arranged on outside housing (17), mould electric device (6) and mould
(14) electrically connect；The liquid container bottom is provided with through hole, and through hole is by conduit with being connected, on the conduit inside housing (17)
Magnetic valve is installed；
The blower unit connects with housing (17), the housing (17) by conduit (4) respectively with it is upper suction apparatus for ash (2) and under
Inhale the blackboard slot connection of apparatus for ash (3)；
The sensor is arranged on housing (17), and the sensor is used for the height for detecting the internal chalk dust of housing (17)；
The controller is electric with blower unit, agitation electric device (9), heater (16), electric finisher (13), mould respectively
Dynamic device (6), magnetic valve, sensor and display screen electrical connection.
2. the dust-precipitating system of chalk recycling according to claim 1, it is characterised in that the upper suction apparatus for ash (2)
Lower surface and the lower upper surface for inhaling apparatus for ash (3) are respectively equipped with blackboard slot, and the surface of the blackboard slot is provided with some holes (11).
3. the dust-precipitating system of chalk according to claim 2 recycling, it is characterised in that the upper suction apparatus for ash (2) and
The lower blackboard slot both sides for inhaling apparatus for ash (3) are respectively equipped with baffle plate.
4. the dust-precipitating system of chalk recycling according to claim 1, it is characterised in that the housing (17) fills with air inducing
The position for putting (10) connection is provided with screen cloth.
5. the dust-precipitating system of the chalk recycling according to claim 1 or 4, it is characterised in that the blower unit (10)
For air-introduced machine (10).
6. the dust-precipitating system of chalk recycling according to claim 1, it is characterised in that the heater (16) is electricity
Hinder heater.
7. the dust-precipitating system of chalk recycling according to claim 1, it is characterised in that the agitation electric device (9)
Shell is detachable, and the liquid container is arranged on the inside of agitation electric device (9).
8. the dust-precipitating system of chalk recycling according to claim 1, it is characterised in that the agitation electric device (9), add
Thermal (6) and magnetic valve electrically connect with the first controlling switch (8)；
The mould electric device (6) and electric finisher (13) electrically connect with the second controlling switch (7)；
The top of the housing (17) is divided into transparent shell；The transparent shell is provided with chalk dust height marking line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710588211.5A CN107399187A (en) | 2017-07-19 | 2017-07-19 | A kind of dust-precipitating system of chalk recycling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710588211.5A CN107399187A (en) | 2017-07-19 | 2017-07-19 | A kind of dust-precipitating system of chalk recycling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107399187A true CN107399187A (en) | 2017-11-28 |
Family
ID=60400958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710588211.5A Pending CN107399187A (en) | 2017-07-19 | 2017-07-19 | A kind of dust-precipitating system of chalk recycling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107399187A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108407501A (en) * | 2018-01-24 | 2018-08-17 | 河南工程学院 | A kind of electronic blackboard with automatic erasing function |
| CN108481957A (en) * | 2018-05-07 | 2018-09-04 | 江苏农牧科技职业学院 | A kind of computer control combination blackboard |
| CN108944190A (en) * | 2018-07-20 | 2018-12-07 | 佛山科枫文化传播有限公司 | A kind of education auxiliary blackboard |
| CN110757989A (en) * | 2018-09-01 | 2020-02-07 | 都函 | Automatic dust absorption blackboard of intelligence teaching |
| CN111152591A (en) * | 2020-01-21 | 2020-05-15 | 南京信息工程大学 | Environment-friendly blackboard eraser |
| CN112078282A (en) * | 2020-08-06 | 2020-12-15 | 天台光润五金机电有限公司 | Multifunctional blackboard wiping device |
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| CN203331658U (en) * | 2013-05-30 | 2013-12-11 | 东华大学 | Chalk dust absorbing recycling device |
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| CN204547500U (en) * | 2015-03-16 | 2015-08-12 | 陈宝红 | A kind of dust-remover for blackboard recycling chalk dust |
| CN106564340A (en) * | 2015-10-13 | 2017-04-19 | 曹振楠 | Utilization device of chalk dust |
| CN206277843U (en) * | 2016-05-30 | 2017-06-27 | 天津市汇文中学 | A kind of blackboard eraser collected and recycle chalk dust |
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|---|---|---|---|---|
| CN103847380A (en) * | 2012-11-30 | 2014-06-11 | 李明精 | Teaching chalk dust collecting system |
| CN203331658U (en) * | 2013-05-30 | 2013-12-11 | 东华大学 | Chalk dust absorbing recycling device |
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| CN204547500U (en) * | 2015-03-16 | 2015-08-12 | 陈宝红 | A kind of dust-remover for blackboard recycling chalk dust |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108407501A (en) * | 2018-01-24 | 2018-08-17 | 河南工程学院 | A kind of electronic blackboard with automatic erasing function |
| CN108481957A (en) * | 2018-05-07 | 2018-09-04 | 江苏农牧科技职业学院 | A kind of computer control combination blackboard |
| CN108944190A (en) * | 2018-07-20 | 2018-12-07 | 佛山科枫文化传播有限公司 | A kind of education auxiliary blackboard |
| CN110757989A (en) * | 2018-09-01 | 2020-02-07 | 都函 | Automatic dust absorption blackboard of intelligence teaching |
| CN111152591A (en) * | 2020-01-21 | 2020-05-15 | 南京信息工程大学 | Environment-friendly blackboard eraser |
| CN112078282A (en) * | 2020-08-06 | 2020-12-15 | 天台光润五金机电有限公司 | Multifunctional blackboard wiping device |
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Application publication date: 20171128 |