CN106956539A - A kind of self-power generation type negative pressure absorbent blackboard eraser - Google Patents
A kind of self-power generation type negative pressure absorbent blackboard eraser Download PDFInfo
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- CN106956539A CN106956539A CN201610012618.9A CN201610012618A CN106956539A CN 106956539 A CN106956539 A CN 106956539A CN 201610012618 A CN201610012618 A CN 201610012618A CN 106956539 A CN106956539 A CN 106956539A
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- blackboard eraser
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- negative pressure
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- 238000010248 power generation Methods 0.000 title claims abstract description 22
- 230000002745 absorbent Effects 0.000 title claims abstract description 18
- 239000002250 absorbent Substances 0.000 title claims abstract description 18
- 239000000428 dust Substances 0.000 claims abstract description 50
- 230000006698 induction Effects 0.000 claims abstract description 22
- 238000009434 installation Methods 0.000 claims abstract description 4
- 230000008859 change Effects 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 5
- 229920000742 Cotton Polymers 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 150000002148 esters Chemical class 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- 238000002955 isolation Methods 0.000 claims description 3
- 238000010992 reflux Methods 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- 208000028571 Occupational disease Diseases 0.000 abstract description 2
- 230000006870 function Effects 0.000 abstract description 2
- 230000005674 electromagnetic induction Effects 0.000 abstract 1
- 230000006378 damage Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 230000036541 health Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 208000030303 breathing problems Diseases 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241001633942 Dais Species 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000001684 chronic effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 238000005367 electrostatic precipitation Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 206010035653 pneumoconiosis Diseases 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000010926 waste battery Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
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- 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
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- 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
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- Cleaning In General (AREA)
Abstract
The invention discloses a kind of self-power generation type negative pressure absorbent blackboard eraser, it is characterised in that including permanent magnet, blackboard eraser shell, directional wheel, induction coil, air vent, detachable felt, micromachine, dust-collecting box, filter bag, hairbrush；Permanent magnet is fixed on the inside of blackboard eraser shell, is staggered installation of below on directional wheel, directional wheel and is wound induction coil.The part at blackboard eraser shell both sides close to the back side is provided with air vent, and blackboard eraser shell is equipped with two layers of part in detachable felt, blackboard eraser with blackboard contact position, internal layer is equipped with micromachine, outer layer is equipped with dust-collecting box, and filter bag is interspersed in ectonexine, and dust-collecting box is located at filter bag bottom.Hairbrush is distributed with filter bag both sides.The present invention utilizes servo-drive system, the aspiration of negative pressure principle and electromagnetic induction principle, self power generation can be realized, suck the functions such as dedusting, internal reservoir, and solve the shortcomings of operation inconvenience of existing electric blackboard eraser, power consumption, the generation for the phenomenon occupational disease related to teacher that chalk dust disorderly flies is effectively prevent, to improving environment, lifting teachers and students' learning efficiency and ensureing healthy be extremely important.
Description
Technical field
The present invention relates to a kind of blackboard eraser, and in particular to a kind of self-power generation type negative pressure absorbent blackboard eraser.
Background technology
Chalk and blackboard are used as the indispensable instrument of education and instruction, existing more than 1,000 years usage history.But the problem of thing followed equally continues thousand is dust pollution.The ash that flies upward of chalk is affecting our life always.They can cause lung and breathing problem, make the clothing of teachers and students dirty, and the teaching process of teacher can also be reduced by wiping sordid blackboard.
Shown according to national major part counties and cities investigational data, pneumoconiosis caused by dust and various acute and chronic breathing problems are main, harm most serious and widest one kind in current teaching profession's disease.The distribution and harm of classroom dust being made by system dynamics model and found after research, in dais 3m diameter space, working environment is very much like by the order of severity of dust harzard with workman before converter.Slight chalk dust can not only produce serious injury to human body, while also causing very big destruction to the environment of surrounding.
What overwhelming majority school used at present is still to be stained with the traditional blackboard wiping that mao matter or suede material are made by plastic casing.In wiping process dust can flown upward this easy blackboard eraser everywhere, and having aggravated the dead angles such as the pit on the pollution of chalk dust, blackboard can not also wipe, and the dust being trapped on blackboard eraser after wiping do not allow very much yet it is easy to clean.
In view of the various drawbacks that traditional blackboard is wiped, people attempt to start with terms of different, Improvement has been carried out on the basis of traditional blackboard wiping.Such as improve its profile and structure；Improve its hairbrush material；Using the erasing method of mechanical and electronic method automatically or semi-automatically；Electrostatic precipitation is used, Electrostatic Absorption dust is utilized；Have using high power vacuum cleaner dust suction method；Have and brush blackboard by the Wiper system of automobile；Have and blackboard eraser be fixed on guide rail, using guide rail up and down and move left and right come erasing chalk ash.But what these were designed with can not solve the problem of dust flies away everywhere, do not reach protect teacher, student from the hardship of chalk dust effect；Some can not realize local wiping；Some can be with dust suction, but this kind of dust absorption blackboard eraser is expensive, and structure is more complicated, it is necessary to consume the resources such as electric energy；What is had can not remove dead angle；What is had is not easy to dismantle and cleans.
In summary, it is a can high efficiency, complete clean up task in high quality, low consumption is even not required to the extra Green blackboard eraser for consuming energy and being capable of automatic dust removing, and the health care of the body of protection and teacher to environment is extremely important.
The content of the invention
It is an object of the invention to provide a kind of energy high efficiency, clean up task is completed in high quality, and being capable of automatic dust removing, the Green blackboard eraser that does not consume energy additionally, the generation for the phenomenon occupational disease related to teacher that chalk dust disorderly flies can be prevented effectively from, to improving environment, lifting teachers and students' learning efficiency and ensureing healthy be extremely important.
To achieve the above object, the technical scheme is that：A kind of self-power generation type negative pressure absorbent blackboard eraser is provided, wherein, including permanent magnet, blackboard eraser shell, directional wheel, induction coil, air vent, detachable felt, micromachine, dust-collecting box, filter bag, hairbrush；Permanent magnet is fixed on the inside of blackboard eraser shell, is staggered installation of below on directional wheel, directional wheel and is wound induction coil.The part at blackboard eraser shell both sides close to the back side is provided with air vent, and blackboard eraser shell is equipped with two layers of part in detachable felt, blackboard eraser with blackboard contact position, internal layer is equipped with micromachine, outer layer is equipped with dust-collecting box, and filter bag is interspersed in ectonexine, and dust-collecting box is located at filter bag bottom.Filter bag both sides are evenly distributed with hairbrush.
The blackboard eraser internal layer is strictly separated with outer layer, and it is just negotiable that air-flow need to pass twice through filter bag.
The filter bag and blackboard eraser shell formation closed state.
The filter bag can be divided into lateral parts and bottom surface portions, and lateral parts are used to filter dust laden air twice, and bottom surface portions are used to prevent the dust reflux in dust-collecting box.
The dust-collecting box is located at filter bag bottom, detachable capable of washing.
During the blackboard eraser movement, the induction coil on directional wheel cuts the magnetic induction line of permanent magnet and produces electric current, and electric current motor works to form pressure differential.
It is described with the change of blackboard eraser translational speed, the ability of cutting magnetic induction line respective change therewith, the electric current of generation also respective change, therefore dust removal ability also respective change.
The permanent magnet should enable induction coil at utmost to produce induced-current relative to the position of directional wheel.
The felt material is more soft, in blackboard eraser in use, it can guarantee that and remains and contact with the surface of blackboard.
The blackboard eraser inner surface of outer cover posts a strata ester fiber acoustical cotton.
It is described to be provided with soft or hard appropriate rubber ring at micromachine contact blackboard eraser shell, and rubber ring must be porous with vibration isolation sound-absorbing.
Over nearly 20 years, in view of chalk dust can produce significant impact to the healthy of teachers and students, the scientific workers of China did many improvement to traditional blackboard and blackboard eraser, occurred in that some imaginations and design, such as dust-free blackboard, electrostatic type blackboard eraser, dust collector type blackboard eraser.Some designs have become commodity, but up to the present, have also obtained real popularization with promoting without a design or product, and subject matter is that poor practicability, effect be not good etc..Better performances can need hand control switch because wasting power resource again, complex structure, dismounting dedusting inconvenience, and the reason such as influence classroom efficiency is difficult to promote.
The present invention proposes a kind of new self-power generation type energy-saving dedusting blackboard eraser suitable for China's educational system based on servo-drive system.It has the advantages that dedusting, environmental protection, economy, easy to use, wiping effect is good, be easy to that dismounting, deashing are convenient, reliability is high, construction profile is simple.The harm that dust is caused to teachers and students' body is reduced to minimum.Avoid simultaneously using battery or external power supply, reduce pollution of the waste battery to environment and the consumption to the energy.And dismounting maintenance can be carried out easily, be convenient to clean its internal dust.Wherein brushhead portion can be changed repeatedly, can realize being recycled for a long time for housing.And also specially pay close attention to and reduce the noise in dust suction class blackboard eraser running.Dust pollution is prevented in the way of most effective, most energy-conservation.The protection of health care and environment to teachers and students is extremely important.Believe the appearance of such dust-removing blackboard eraser, influence of the chalk dust to teachers and students' health can be inherently eliminated, make the palace of knowledge purer.
Brief description of the drawings
Fig. 1 is the overall construction drawing of the present invention.
Fig. 2 is self power generation fragmentary elevational view.
Fig. 3 is filtering bag structure front view.
In figure：1. the dust-collecting box of 2. blackboard eraser shell of air vent, 3. 9. micromachine of detachable 4. filter bag of felt 5. directional wheel, 6. hairbrush, 7. permanent magnet, 8. induction coil 10..
Embodiment：
To describe the technology contents of self-power generation type negative pressure absorbent blackboard eraser of the present invention in detail, constructing feature, below in conjunction with embodiment and accompanying drawing is coordinated to be described further.
As shown in Figure 1, 2, 3, self-power generation type negative pressure absorbent blackboard eraser, including permanent magnet 7, blackboard eraser shell 2, directional wheel 5, induction coil 8, air vent 1, detachable felt 3, micromachine 9, dust-collecting box 10, filter bag 4, hairbrush 6；Permanent magnet 7 is fixed on the inner side of blackboard eraser shell 2, and winding induction coil 8 on directional wheel 5, directional wheel 5 is staggered installation of below.The part at the both sides of blackboard eraser shell 2 close to the back side is provided with air vent 1, and blackboard eraser shell 2 is equipped with two layers of part in detachable felt 3, blackboard eraser with blackboard contact position, internal layer is equipped with micromachine 9, outer layer is equipped with dust-collecting box 10, and filter bag 4 is interspersed in ectonexine, and dust-collecting box 10 is located at filter bag bottom.Filter bag both sides are evenly distributed with hairbrush 6.
The blackboard eraser internal layer is strictly separated with outer layer, and it is just negotiable that air-flow need to pass twice through filter bag.
The filter bag and blackboard eraser shell formation closed state.
The filter bag can be divided into lateral parts and bottom surface portions, and lateral parts are used to filter dust laden air twice, and bottom surface portions are used to prevent the dust reflux in dust-collecting box.
The dust-collecting box is located at filter bag bottom, detachable capable of washing.
During the blackboard eraser movement, the induction coil on directional wheel cuts the magnetic induction line of permanent magnet and produces electric current, and electric current motor works to form pressure differential.
It is described with the change of blackboard eraser translational speed, the ability of cutting magnetic induction line respective change therewith, the electric current of generation also respective change, therefore dust removal ability also respective change.
The permanent magnet should enable induction coil at utmost to produce induced-current relative to the position of directional wheel.
The periphery that felt is looped around hairbrush forms one layer of annular enclosed structure, felt and the close ingenious cooperation of blackboard eraser shell, felt and blackboard intimate surface contact when using, so as to form a closed cavity between blackboard, brush holder and felt.Felt material is more soft, it ensure that and remain good contact with the surface of blackboard, form the preferable cavity of seal, ensure that chalk dust and relatively large chalk dust stay in the inside of cavity, to reach preferable dust-separation dust removing effects, and auxiliary wiping can be played a part of.
The blackboard eraser inner surface of outer cover posts a strata ester fiber acoustical cotton.
It is described to be provided with soft or hard appropriate rubber ring at micromachine contact blackboard eraser shell, and rubber ring must be porous with vibration isolation sound-absorbing.
Self power generation part is similar to hand press type self-generating flashlight.Two symmetrical orientations are installed, at two short sides of blackboard eraser inside felt.Directional wheel is rotated with blackboard eraser during wiping, takes turns shaft driven gear, and gear drives one-stage gear and does step-up drive again, final to drive permanent magnet cuts magnetic induction lines to produce electromotive force.The electric current of generation sends micromachine to by wire, so that motor high-efficiency operation, reaches predetermined pick-up performance.When wiping slower, produced electromotive force is smaller；When wiping quickening, also become therewith strong.
Arrow represents wind direction in Fig. 3.In view of the design of lower air intake sack cleaner, dusty gas is entered by deduster bottom, form air-flow from bottom to top, because airflow direction is opposite with dust falling direction, add the resistance that air-flow passes through, also it is easily caused part fine dust to be easily carried in the air-flow of rapid perturbations, weakens final dust removing effects.Therefore the present invention uses upper air inlet sack cleaner, under gravity, Subsidence trend is consistent with airflow direction for dust, is conducive to dust rapid subsidence, and efficiency of dust collection increases, and equipment resistance can also reduce by 15% to 30%.In addition this design can make full use of the narrow and small limited space of blackboard eraser, it is two-way carried out using filter bag it is bi-directional filtered, i.e., in combination with inward flow filtration-type sack cleaner and exterior sieve type bag-type dust remover the characteristics of.Inward flow filtration-type sack cleaner dust-contained airflow can be deposited on filter bag inner surface by flow direction outside on the inside of filter bag, dust under sock filtration effect.It the advantage is that the dust being deposited in filter bag can obtain good temporary accumulation and storage, be difficult toward outward leakage.After a few days to be used, filter bag can be directly taken out, concentrate the dust of cleaning accumulation for a long time just may be used.It is clean gas outside other filter bag, is easy to check and removes failure, not shutting down even can all overhaul, and substantially improve and simplify the condition of maintenance.Outside filtering type deduster dust-contained airflow is by flow direction inner side on the outside of filter bag, and dust deposit is on filter bag outer surface.Blackboard eraser without using when, the dust that outer filter is obtained, because Action of Gravity Field comes off, falls into filter bag and then falls into dust-collecting box from filter bag.Filter bag can effectively prevent that the dust in dust-collecting box from being kicked up.Dust-collecting box can regular dismounting deashing.It is so bi-directional filtered just to drastically increase operating efficiency.Realize that resistance is small, simple in construction, low cost, a variety of functions small to internal mechanical damage.
Claims (12)
1. self-power generation type negative pressure absorbent blackboard eraser, the phase is characterised by, including hairbrush, detachable felt, permanent magnet, induction coil, directional wheel, blackboard eraser shell, filter bag, dust-collecting box, micromachine；Permanent magnet is fixed on the inside of blackboard eraser shell, is staggered installation of below on directional wheel, directional wheel and is wound induction coil.
2. blackboard eraser shell is equipped with two layers of part in detachable felt, blackboard eraser with blackboard contact position, internal layer is equipped with micromachine, and outer layer is equipped with dust-collecting box, and filter bag is interspersed in ectonexine, and dust-collecting box is located at filter bag bottom；Filter bag both sides are evenly distributed with hairbrush.
3. self-power generation type negative pressure absorbent blackboard eraser as claimed in claim 1, it is characterised in that blackboard eraser internal layer is strictly separated with outer layer, it is just negotiable that air-flow need to pass twice through filter bag.
4. self-power generation type negative pressure absorbent blackboard eraser as claimed in claim 1, it is characterised in that filter bag and blackboard eraser shell formation closed state.
5. self-power generation type negative pressure absorbent blackboard eraser as claimed in claim 1, it is characterised in that filter bag can be divided into lateral parts and bottom surface portions, lateral parts are used to filter dust laden air twice, and bottom surface portions are used to prevent the dust reflux in dust-collecting box.
6. self-power generation type negative pressure absorbent blackboard eraser as claimed in claim 1, it is characterised in that dust-collecting box is located at filter bag bottom, detachable capable of washing.
7. self-power generation type negative pressure absorbent blackboard eraser as claimed in claim 1, it is characterised in that when blackboard eraser is moved, the induction coil on directional wheel cuts the magnetic induction line of permanent magnet and produces electric current, electric current motor works to form pressure differential.
8. self-power generation type negative pressure absorbent blackboard eraser as claimed in claim 1, it is characterised in that with the change of blackboard eraser translational speed, the ability of cutting magnetic induction line respective change therewith, the electric current of generation also respective change, therefore dust removal ability also respective change.
9. self-power generation type negative pressure absorbent blackboard eraser as claimed in claim 1, it is characterised in that permanent magnet should enable induction coil at utmost to produce induced-current relative to the position of directional wheel.
10. self-power generation type negative pressure absorbent blackboard eraser as claimed in claim 1, it is characterised in that felt material is more soft, in blackboard eraser in use, it can guarantee that and remains and contact with the surface of blackboard.
11. self-power generation type negative pressure absorbent blackboard eraser as claimed in claim 1, it is characterised in that blackboard eraser inner surface of outer cover posts a strata ester fiber acoustical cotton.
12. self-power generation type negative pressure absorbent blackboard eraser as claimed in claim 1, it is characterised in that be provided with soft or hard appropriate rubber ring at micromachine contact blackboard eraser shell, and rubber ring must be porous with vibration isolation sound-absorbing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610012618.9A CN106956539A (en) | 2016-01-11 | 2016-01-11 | A kind of self-power generation type negative pressure absorbent blackboard eraser |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610012618.9A CN106956539A (en) | 2016-01-11 | 2016-01-11 | A kind of self-power generation type negative pressure absorbent blackboard eraser |
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| CN106956539A true CN106956539A (en) | 2017-07-18 |
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| CN201610012618.9A Pending CN106956539A (en) | 2016-01-11 | 2016-01-11 | A kind of self-power generation type negative pressure absorbent blackboard eraser |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110254093A (en) * | 2019-06-24 | 2019-09-20 | 湖北汽车工业学院 | An intelligent electric blackboard eraser, control system and control method thereof |
| CN110393993A (en) * | 2019-07-10 | 2019-11-01 | 苏州嘉诺环境工程有限公司 | Oilproof bag-type dust removing system is preliminarily sprayed in one kind |
| CN110393994A (en) * | 2019-07-10 | 2019-11-01 | 苏州嘉诺环境工程有限公司 | Grease proofing and water proof type bag-type dust removing system is preliminarily sprayed in one kind |
| CN110481216A (en) * | 2019-07-30 | 2019-11-22 | 吴鹏 | A kind of blackboard eraser of automatic absorbing dust |
| CN111137051A (en) * | 2020-02-20 | 2020-05-12 | 安徽理工大学 | A fully automatic dust removal blackboard eraser based on stm32F10x main control chip |
-
2016
- 2016-01-11 CN CN201610012618.9A patent/CN106956539A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110254093A (en) * | 2019-06-24 | 2019-09-20 | 湖北汽车工业学院 | An intelligent electric blackboard eraser, control system and control method thereof |
| CN110393993A (en) * | 2019-07-10 | 2019-11-01 | 苏州嘉诺环境工程有限公司 | Oilproof bag-type dust removing system is preliminarily sprayed in one kind |
| CN110393994A (en) * | 2019-07-10 | 2019-11-01 | 苏州嘉诺环境工程有限公司 | Grease proofing and water proof type bag-type dust removing system is preliminarily sprayed in one kind |
| CN110393993B (en) * | 2019-07-10 | 2021-06-22 | 苏州嘉诺环境工程有限公司 | Oil-proof type bag-type dust pelletizing system of spraying in advance |
| CN110393994B (en) * | 2019-07-10 | 2021-08-20 | 苏州嘉诺环境工程有限公司 | Oil-proof and waterproof type bag-type dust removal system of spraying in advance |
| CN110481216A (en) * | 2019-07-30 | 2019-11-22 | 吴鹏 | A kind of blackboard eraser of automatic absorbing dust |
| CN111137051A (en) * | 2020-02-20 | 2020-05-12 | 安徽理工大学 | A fully automatic dust removal blackboard eraser based on stm32F10x main control chip |
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