One kind teaching dust exhaust apparatus
Technical field
The present invention relates to teaching equipment, particularly relates to a kind of teaching dust exhaust apparatus.
Background technology
School teacher is attended class and writing on the blackboard is still being write on blackboard using chalk at present, and many is had when wiping writing with blackboard eraser
Chalk foam dust, chalk ash composition are a kind of white depositions of calcium sulfate, it is not easy to are decomposed, particle is bigger than dust.Powder
Harm of the pen ash to the lung of teacher is most commonly seen, and in teaching process, chalk dust is easy to be inhaled into lung, and majority is delayed at lung
In bubble, by a series of stimulation, chemistry and immune effect, lung can be caused to lose, including inflammation in respiratory system and lung
Ventilatory function declines, and common PUD D has:Chronic, acute pneumonia, lung cancer, pneumoconiosis etc., contain titanium dioxide in chalk dust
Silicon, be inhaled into lung, lung dissociate dioxide-containing silica 1 percent pulmonary fibrosis formed above dust so that
Alveolar fibrosis, lung's respiratory function is caused to decline, so the life-span of people can be shortened by sucking excessive chalk dust for a long time.
The content of the invention
The present invention proposes a kind of teaching dust exhaust apparatus, solves in the prior art that teacher easily sucks chalk dust, to body
The problem of causing larger harm.
The technical proposal of the invention is realized in this way:One kind teaching dust exhaust apparatus, including upper dust catcher, side dust catcher and
Lower dust catcher, upper dust catcher are located at the top of blackboard, and side dust catcher is located at the both sides of blackboard, and lower dust catcher is located under blackboard
Side;
Described upper dust catcher is provided with air inlet, and air inlet connects with gas hood, and gas hood connects with gas outlet, air inlet with
Air filtering plate is equipped with gas outlet, gas hood is interior to be sequentially provided with dust-leading board, fan blade, dust-filtering plate and dust sucting motor, gas in airintake direction
Dust collecting trough is provided between cover and dust-leading board, dust collecting trough and the first collecting plate coordinate, and the top of dust collecting trough is provided with deep bead, deep bead
On be provided with filter opening, fan blade is connected with dust sucting motor;
Described side dust catcher includes air inlet, and air inlet connects with gas hood, and gas hood connects with gas outlet, and air inlet is with going out
Air filtering plate is equipped with gas port, gas hood is interior to be sequentially provided with fan blade, dust-filtering plate and dust sucting motor in airintake direction, and the both sides of fan blade are set
Have deep bead, be provided with filter opening on deep bead, the lower section of fan blade is provided with dust collecting trough, and dust collecting trough and the second collecting plate coordinate, fan blade with
Dust sucting motor connects;
Described lower dust catcher includes air inlet, and air inlet connects with gas hood, and gas hood connects with gas outlet, and air inlet is with going out
Air filtering plate is equipped with gas port, gas hood is interior to be sequentially provided with fan blade, dust-leading board, dust-filtering plate and dust sucting motor, gas hood in airintake direction
It is provided with dust collecting trough between dust-leading board, dust collecting trough and the first collecting plate coordinate, and the top of dust collecting trough is provided with deep bead, on deep bead
Filter opening is provided with, fan blade is connected with dust sucting motor.
The side of described side dust catcher is provided with display screen, control panel and loudspeaker, display screen and loudspeaker with control
Device connection processed, controller are connected with control panel, dust sucting motor.
The first motor and the second motor, the first motor and first volume axis connection, the first volume are provided with described upper dust catcher
Axle is provided with projection screen, the second motor and volume Two axis connection, and the second spool, which is provided with, hides dirt curtain;First motor and the second electricity
Machine is connected with controller.
Described side dust catcher is provided with light-shield cover, unrestrained light lamp and optical sensor, and the 3rd motor and gear are provided with light-shield cover
Tabula rasa, the 3rd motor are connected with light barrier;3rd motor, unrestrained light lamp and optical sensor are connected with controller.
The top of described blackboard is provided with signal receiver, and signal receiver is connected with controller, signal receiver and letter
Number transmitter coordinates, and signal projector is located in blackboard eraser, and gravity sensor is provided with blackboard eraser.
The present invention has following beneficial effect:Chalk dust is sucked into dust catcher and collected, reduces teacher to powder
The contact of dirt, reduce dust and endangered to caused by teacher's body;Intelligence degree is high, matches with existing teaching equipment;Set
Shading and lighting device, avoid blackboard reflective light or light excessively dark.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is front view of the present invention.
Fig. 2 is Fig. 1 A-A direction views.
Fig. 3 is Fig. 1 B-B direction view.
Fig. 4 is upper deduster front view.
Fig. 5 is side deduster top view.
Fig. 6 is side deduster front view.
Fig. 7 is lower deduster front view.
Fig. 8 is the first collecting plate structure chart.
Fig. 9 is the second collecting plate structure chart.
Figure 10 is wiping blackboard structure figure.
In figure:1- ground, 2- metopes, the upper dust catchers of 3-, 4- sides dust catcher, dust catcher under 5-, 6- blackboards, 7- display screens,
8- control panels, the motors of 9- first, the spools of 10- first, 11- projection screens, the motors of 12- second, the spools of 13- second, 14- hide dirt
Curtain, 15- gas hoods, 16- air inlets, 17- air filtering plates, 18- dust-leading boards, 19- dust collecting troughs, 20- deep beads, 21- filter openings, 22- filter dirt
Plate, 23- dust sucting motors, 24- fan blades, the collecting plates of 25- first, the collecting plates of 26- second, 27- blackboard erasers, 28- gravity sensors,
29- signal projectors, 30- signal receivers, 31- loudspeakers, the motors of 32- the 3rd, 33- light barriers, 34- overflow light lamp, and 35- is in the light
Cover, 36- gas outlets.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not paid
Embodiment, belong to the scope of protection of the invention.
As shown in Fig. 1 ~ 10, the present invention proposes a kind of teaching dust exhaust apparatus, including upper dust catcher 3, the and of side dust catcher 4
Lower dust catcher 5, upper dust catcher 3 are located at the top of blackboard 6, and side dust catcher 4 is located at the both sides of blackboard 6, and lower dust catcher 5 is located at blackboard
6 lower section;
Described upper dust catcher 3 is provided with air inlet 16, and air inlet 16 connects with gas hood 15, and gas hood 15 connects with gas outlet 36
Logical, for air inlet 16 with being equipped with air filtering plate 17 on gas outlet 17, gas hood 15 is interior to be sequentially provided with dust-leading board 18, fan blade in airintake direction
24th, dust-filtering plate 22 and dust sucting motor 23, dust collecting trough 19, the collecting plate of dust collecting trough 19 and first are provided between gas hood 15 and dust-leading board 18
25 coordinate, and the top of dust collecting trough 19 is provided with deep bead 20, is provided with filter opening 21 on deep bead 20, fan blade 24 connects with dust sucting motor 23
Connect;
Described side dust catcher 4 includes air inlet 16, and air inlet 16 connects with gas hood 15, and gas hood 15 connects with gas outlet 36
Logical, for air inlet 16 with being equipped with air filtering plate 17 on gas outlet 17, gas hood 15 is interior to be sequentially provided with fan blade 24, dust-filtering plate in airintake direction
22 and dust sucting motor 23, the both sides of fan blade 24 be provided with deep bead 20, be provided with filter opening 21 on deep bead 20, the lower section of fan blade 24 is provided with
Dust collecting trough 19, dust collecting trough 19 coordinate with the second collecting plate 26, and fan blade 24 is connected with dust sucting motor 23;
Described lower dust catcher 5 includes air inlet 16, and air inlet 16 connects with gas hood 15, and gas hood 15 connects with gas outlet 36
Logical, for air inlet 16 with being equipped with air filtering plate 17 on gas outlet 17, gas hood 15 is interior to be sequentially provided with fan blade 24, dust-leading board in airintake direction
18th, dust-filtering plate 22 and dust sucting motor 23, dust collecting trough 19, the collecting plate of dust collecting trough 19 and first are provided between gas hood 15 and dust-leading board 18
25 coordinate, and the top of dust collecting trough 19 is provided with deep bead 20, is provided with filter opening 21 on deep bead 20, fan blade 24 connects with dust sucting motor 23
Connect.
The side of described side dust catcher 4 is provided with display screen 7, control panel 8 and loudspeaker 31, display screen 7 and loudspeaker
31 are connected with controller, and controller is connected with control panel 8, dust sucting motor 23.
The first motor 9 and the second motor 12 are provided with described upper dust catcher 3, the first motor 9 is connected with the first spool 10,
First spool 10 is provided with projection screen 11, and the second motor 12 is connected with the second spool 13, and the second spool 13, which is provided with, hides dirt curtain
14;First motor 9 and the second motor 12 are connected with controller.
Described side dust catcher 4 is provided with light-shield cover 35, unrestrained light lamp 34 and optical sensor, and the 3rd electricity is provided with light-shield cover 35
Machine 32 and light barrier 33, the 3rd motor 32 are connected with light barrier 33;3rd motor 32, unrestrained light lamp 34 and optical sensor with control
Device connects.
The top of described blackboard 6 is provided with signal receiver 30, and signal receiver 30 is connected with controller, signal receiver
30 coordinate with signal projector 29, and signal projector 29 is located in blackboard eraser 27, and gravity sensor 28 is provided with blackboard eraser 27.
Operation instruction of the present invention:Side dust catcher 3 is installed on ground 1, and upper dust catcher 3 and lower dust catcher 5 are installed on two
Between side dust catcher 3, lower dust catcher 5 is slightly above ground 1, and upper dust catcher 3, side dust catcher 4 and lower dust catcher 5 connect with metope 2
Touch and blackboard 6 is enclosed in centre, when with 27 blackboard wiping 6 of blackboard eraser, many chalk dusts can be kicked up, now controller control
Dust sucting motor 23 processed is started working, and dust sucting motor 23 drives fan blade 24 to rotate, and the air with chalk dust is sucked into gas hood 15, empty
Gas is rotated at deep bead 20, and chalk dust is gradually assembled and fallen into dust collecting trough 19, and air is discharged under the filtering of dust-filtering plate 22
Gas hood 15, air filtering plate 17 prevent the object of large volume from entering gas inlet cover 15 and destroying fan blade 24, and the air filtering plate 17 of lower dust catcher 5 rises simultaneously
The first collecting plate 25 is provided with the dust collecting trough 19 of the effect of support, upper dust catcher 3 and lower dust catcher 5, before the first collecting plate 25
The ring-type to be engaged with dust-leading board 18 is held, the rear end of the first collecting plate 25 has been the baffle plate and handle of sealing process, and first collects
Dirt plate 25 can release from upper dust catcher 3 and lower dust catcher 5, the chalk dust gathered in plate be cleared up, the collection of side dust catcher 4
The second collecting plate 26 is provided with dirt groove 19, the front end of the second collecting plate 26 is the strip being engaged with dust collecting trough 19, and second collects
The rear end of dirt plate 26 has been the baffle plate and handle of sealing process, and the second collecting plate 26 can release from side dust catcher 4, to collecting in plate
Poly- chalk dust is cleared up.
The side of side dust catcher 4 is provided with display screen 7, control panel 8 and loudspeaker 31, and time, date are shown on display screen 7
With course arrangement, control panel 8 realizes and adjusted that controller is broadcast according to the time by loudspeaker 31 by controller to display screen 7
The sound such as the tinkle of bells after class or multimedia, broadcast is put, while is adjustably controlled panel 8, control panel 8 controls controller, right
Dust sucting motor 23 is controlled.
Adjustment control panel 8 controls controller, and controller controls the first motor 9 to rotate, and the first motor 9 is by the first spool 10
On projection screen 11 pack up or put down, be combined with multimedia teaching facility, controller controls the second motor 12 to rotate, the
Screening dirt cloth 14 on second spool 13 is packed up or put down by two motors 12, when the dust catcher of blackboard wiping 6 works, is formed
With respect to one confined space, there is more preferable pick-up performance.
When in use, light outside window can impinge upon on blackboard 6 blackboard 6, when light is too strong, can make blackboard 6
Produce reflective, or when night, the lighting deficiency in classroom, the glazed thread of blackboard 6 is dim, now passes through light sensing
Intensity signal at left and right sides of device detection blackboard, and controller is passed to, when light is too strong, controller controls 32 turns of the 3rd motor
Dynamic, the 3rd motor 32 drives light barrier 33 to stretch into side dust catcher 4, and light outside window is blocked, when rather dark, control
The unrestrained light lamp 34 of device control is opened, and illumination is provided for blackboard 6.
During 27 blackboard wiping 6 of blackboard eraser, gravity sensor 28 detects the motor message of blackboard eraser 27, is launched by signal
Device 29 is sent to signal receiver 30, and the signal received is passed to controller, controller control dust catcher by signal receiver 30
Working condition.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God any modification, equivalent substitution and improvements made etc., should be included in the scope of the protection with principle.