CN109941022A - A kind of novel blackboard eraser - Google Patents
A kind of novel blackboard eraser Download PDFInfo
- Publication number
- CN109941022A CN109941022A CN201910236321.4A CN201910236321A CN109941022A CN 109941022 A CN109941022 A CN 109941022A CN 201910236321 A CN201910236321 A CN 201910236321A CN 109941022 A CN109941022 A CN 109941022A
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- ash
- collection powder
- brush board
- powder frame
- motor
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Abstract
The invention discloses a kind of novel blackboard erasers, including brush board, bristle, collection powder frame, partition, suction apparatus for ash and pedestal；Brush board is located at top, and brush board top is equipped with the bristle for wiping blackboard；The collection powder frame is located at the lower part of brush board in rectangular parallelepiped structure, and collection powder frame side is equipped with control module, and the other side is equipped with slide plate, and inside is equipped with terylene needled felt filter bag；Inhaling apparatus for ash is in rectangular parallelepiped structure, positioned at the lower part of collection powder frame, inhales apparatus for ash side and is equipped with pressure sensor；It inhales and is equipped with motor inside apparatus for ash, pedestal is located at the lower part for inhaling apparatus for ash, is made of battery, solar panel.The present invention adjusts the electric current in circuit by pressure sensor, control motor speed, solar panel can be to charge the battery to energy saving, dust frame side wall is equipped with the discharge that slide plate is convenient for chalk dust, its structure is simple, and compact is energy-efficient, it can guarantee classroom air quality, be suitable for promoting.
Description
Technical field
The invention belongs to teaching facilities appliance technologies, and in particular to a kind of novel blackboard eraser.
Background technique
Blackboard eraser is teaching aid indispensable in teaching, and manual sassafras blackboard while can bring a large amount of chalks
Ash, and chalk dust has stronger adsorption capacity, therefore the chalk dust disorderly to float everywhere can inevitably enter user
Lung, to influence the health of user.In view of the above problems, it is necessary to design a kind of dust-free blackboard eraser to change
Kind above situation.
Summary of the invention
Object of the present invention is to be directed to above-mentioned problems of the prior art, a kind of novel blackboard eraser is provided.
The present invention is achieved by the following technical solutions:
A kind of novel blackboard eraser, including brush board, bristle, collection powder frame, partition, suction apparatus for ash and pedestal；The brush board is located at top
End, brush board top are equipped with the bristle for wiping blackboard, and the upper surface of brush board is additionally provided with several ash absorbing holes, the other end of ash absorbing hole
It is connected to inside collection powder frame, for the chalk dust of collection to be delivered in collection powder frame；The collection powder frame is in rectangular parallelepiped structure, is located at
The lower part of brush board, the side side wall that collection powder frame is located at short side are equipped with control module, and other side side wall is equipped with can transverse shifting
Slide plate；The collection powder frame bottom is equipped with lower frame step, is fixedly installed with partition in lower frame step；The collection powder frame is located at long side
Side wall below and partition on be equipped with exhaust vent, the position that collection powder frame is internally located at exhaust vent is equipped with one layer of filter bag, described
Filter bag is tightly attached to collection powder frame inner sidewall and partition, and the exhaust vent is covered；The suction apparatus for ash is in rectangular parallelepiped structure, is located at
Collect the lower part of powder frame；The top of apparatus for ash is inhaled equipped with the upper ledge step for placing partition, and the bottom for inhaling apparatus for ash is equipped with rice word
Support bar；It inhales apparatus for ash and is located at the side side wall of short side equipped with pressure sensor, the pressure sensor and control module position
In the same side；Motor is equipped with inside the suction apparatus for ash, motor is fixedly installed on meter word support bar, connects on the output shaft of motor
It is connected to blade；The pedestal is located at the lower part for inhaling apparatus for ash, is made of battery, solar panel, the solar battery
Plate is electrically connected with battery, for being powered to control module, pressure sensor and motor.
The technical solution that the present invention further solves is, the brush board is prismatoid structure, by parallel upper and lower end face with
And trapezoidal side surrounds；The upper surface area is greater than the area of lower end surface, and the ash absorbing hole is symmetrically set in upper surface long side
Side, and collection powder frame is extended to lower end surface along the side wall of brush board；The middle part of the brush board upper surface is recessed, the end of lower recess
The bristle is fixedly connected on face.
The technical solution that the present invention further solves is that the upper surface of the collection powder frame side wall is tangent with brush board side wall
The side wall of section, the brush board is fixedly connected with section.
The technical solution that the present invention further solves is that two orthogonal parting beads are equipped with inside the suction apparatus for ash,
The parting bead is fixedly connected on meter word support bar, and the end of parting bead is located at suction apparatus for ash and corresponds in long side and short side
The suction apparatus for ash is divided into four regions by point；The parting bead is equipped with through-hole.
The technical solution that the present invention further solves is there are four the motor is set, positioned at four of the parting bead equal part
In region.
The technical solution that the present invention further solves is that the filter bag uses terylene needled felt filter bag.
The technical solution that the present invention further solves is that the lower end surface of the solar panel is equipped with dismountable transparent
Plastic jacket, the blister pack bottom surface are equal with the bottom surface of battery.
The technical solution that the present invention further solves is, the battery, control module, pressure sensor and motor it
Between pass through series connection；The control module is made of diode VD1 and pull down resistor R1, and the pressure sensor is by pressure
Resistance R2 composition；The anode of the battery and the anode of the diode VD1 in control module and one end of pull down resistor R1
Connection, the diode VD1 is in parallel with pull down resistor R1, the piezoresistive in the other end and pressure sensor of pull down resistor R1
One end of R2 connects, and the other end of the piezoresistive R2 and one end of motor connect, the other end and diode of the motor
The anode connection of VD2, the cathode of diode VD2 and the cathode of battery connect.
The invention has the benefit that
The present invention adjusts the electric current in circuit by pressure sensor, controls the movement rate of motor, and solar panel can be with
To charge the battery, terylene is arranged on the inside of the exhaust vent of partition and dust frame longwell to energy saving in cleanliness without any pollution
PO PE NT PTFE can be effectively prevented into the chalk dust in collection powder frame and directly be discharged from exhaust vent, cause secondary pollution, together
When can effectively prevent chalk dust and enter dust exhaust apparatus motor is caused to damage.The side wall of the shorter side of dust frame is equipped with slide plate, convenient
The discharge of chalk dust；The configuration of the present invention is simple, compact are energy-efficient, it is ensured that classroom air quality, suitable for pushing away
Extensively.
Detailed description of the invention
Fig. 1 is this overall structure diagram of the invention.
Fig. 2 is brush board structural schematic diagram of the present invention.
Fig. 3 is collection powder mount structure schematic diagram of the present invention.
Fig. 4 is suction apparatus for ash structural schematic diagram of the present invention.
Fig. 5 is schematic diagram of base structure of the present invention.
Fig. 6 is invention side sectional view.
Fig. 7 is invention circuit connection diagram.
Serial number in figure, 1- brush board, 2- bristle, 3- collection powder frame, 4- partition, 5- inhale apparatus for ash, 6- pedestal, 7- transparent plastic
Cover, 11- ash absorbing hole, 31- control module, 32- slide plate, 33- lower frame step, 34- exhaust vent, 35- filter bag, the section 36-, on 51-
Frame step, 52- meters of word support bars, 53- pressure sensor, 54- motor, 55- motor, 56- parting bead, 61- battery, the 62- sun
It can solar panel, 561- through-hole.
Specific embodiment
The present invention is described further with reference to the accompanying drawings and examples.
Referring to a kind of novel blackboard eraser shown in Fig. 1-6, including brush board 1, bristle 2, collection powder frame 3, partition 4, suction apparatus for ash 5
And pedestal 6；The brush board 1 is located at top, and 1 top of brush board is equipped with the bristle 2 for wiping blackboard, and the upper surface of brush board 1 is also
Equipped with several ash absorbing holes 11, it is connected to inside the other end and collection powder frame 3 of ash absorbing hole 11, for the chalk dust of collection to be delivered to collection
In powder frame 3；The brush board 1 is prismatoid structure, is surrounded by parallel upper surface, lower end surface and trapezoidal side；The upper end
Face area is greater than the area of lower end surface, can increase dust suction area, to improve dust collection efficiency；The ash absorbing hole 11 is symmetrically set in
The side of upper surface long side, and collection powder frame 3 is extended to lower end surface along the side wall of brush board 1；The middle part of 1 upper surface of brush board
It is recessed, the bristle 2 is fixedly connected on the end face of lower recess；The collection powder frame 3 is in rectangular parallelepiped structure, under brush board 1
Portion, the side side wall that collection powder frame is located at short side are equipped with control module 31, and other side side wall is equipped with transversely movable slide plate
32；3 bottom of collection powder frame is equipped with lower frame step 33, is fixedly installed with partition 4 in lower frame step 33；The collection powder frame 3 is located at
Exhaust vent 34 is equipped with below the side wall of long side and on partition 4, the position that collection powder frame 3 is internally located at exhaust vent 34 is equipped with one layer
Filter bag 35, the filter bag 35 are tightly attached to collection 3 inner sidewall of powder frame and partition 4, the exhaust vent 34 are covered；The suction apparatus for ash
5 be in rectangular parallelepiped structure, positioned at the lower part of collection powder frame 3；The top of suction apparatus for ash 5 is equipped with the upper ledge step 51 for placing partition 4,
The bottom for inhaling apparatus for ash 5 is equipped with rice word support bar 52；It inhales apparatus for ash 5 and is located at the side side wall of short side equipped with pressure sensor
53, the pressure sensor 53 is located at the same side with control module 31；Motor 54, motor 54 are equipped with inside the suction apparatus for ash 5
It is fixedly installed on meter word support bar 52, blade 55 is connected on the output shaft of motor 54；The pedestal 6, which is located at, inhales apparatus for ash 5
Lower part, be made of battery 61, solar panel 62, the solar panel 62 is electrically connected with battery 61, is used for
Control module 31, pressure sensor 53 and motor 54 are powered.
In the present embodiment, the upper surface of collection 3 side wall of powder frame is the section 36 tangent with 1 side wall of brush board, the brush board 1
Side wall be fixedly connected with section 36.
In the present embodiment, two orthogonal parting beads 56 are equipped with inside the suction apparatus for ash 5, the parting bead 56 is fixed to be connected
It is connected on meter word support bar 52, the end of parting bead 56 is located at the midpoint for inhaling the corresponding long side of apparatus for ash 5 and short side, will be described
It inhales apparatus for ash 5 and is divided into four regions；The parting bead 56 be equipped with through-hole 561, the through-hole 561 can motor work when,
Make to inhale and form higher vacuum degree inside apparatus for ash, improves the suction ash efficiency of whole system.
In the present embodiment, there are four the motor 54 is set, in four regions of 56 equal part of parting bead.
In the present embodiment, the filter bag 35 uses terylene needled felt filter bag；The terylene needled felt filter bag has common felt
The advantages that distinctive good permeability of class filter cloth, collection efficiency height, long service life, and there is extraordinary wearability, herein
It can guarantee from the chalk ash collection that ash absorbing hole 11 sucks in collecting in powder frame 3, without overflowing from the exhaust vent 34 of side and bottom surface
Out, secondary pollution is caused.
In the present embodiment, the lower end surface of the solar panel 62 is equipped with dismountable blister pack 7, described transparent
7 bottom surface of plastic jacket is equal with the bottom surface of battery 61；The blister pack 7 of the solar panel 62 be it is interchangeable,
Solar panel 62 can be fixed on to the inside of pedestal 6, thus prevent its due to long-time exposure air caused by it is natural
Loss.
In the present embodiment, referring to Fig. 7, between the battery 61, control module 31, pressure sensor 53 and motor 54
Pass through series connection；The control module 31 is made of diode VD1 and pull down resistor R1, and the pressure sensor 53 is by pressing
Power resistance R2 composition；The anode and pull down resistor R1 of the anode and the diode VD1 in control module 31 of the battery 61
One end connection, the diode VD1 is in parallel with pull down resistor R1, the other end of pull down resistor R1 in pressure sensor 53
One end of piezoresistive R2 connects, and the other end of the piezoresistive R2 is connect with one end of motor 54, the motor 54 it is another
One end is connect with the anode of diode VD2, and the cathode of diode VD2 is connect with the cathode of battery 61；In the present invention, battery
It is powered to whole system, when pressure sensor 53 is received from extraneous pressure, the electricity of piezoresistive R2 in circuit
Resistance value reduces, and control module 31 receives the reduced signal of resistance, makes to generate electric current in system, and controls the starting of motor 54,
Motor 54 controls the rotation of blade 55 to achieve the effect that blackboard eraser can inhale ash automatically.
Use process of the invention are as follows:
All parts are installed first, in accordance with diagram, when needing to erase the board, are placed a finger on pressure sensor 53, it is natural
Firmly, all-in resistance becomes smaller in circuit, increases electric current in circuit, electric current rotates motor 54 by circuit, thus further band
Movable vane piece 55 rotates, and vacuum is formed inside blackboard eraser, and suction internally is generated at ash absorbing hole 11；When bristle 2 is wiping
When blackboard, the ash absorbing hole 11 of 1 top two sides of brush board can adequately siphon away the chalk in air under the control of motor internal 54
Ash particle, chalk ash particle enter dust frame 3 by ash absorbing hole 11, and air extra at this time can be with 3 side wall of dust frame
Exhaust vent 34 is discharged, and the chalk ash particle sucked is collected in inside dust frame 3 under the barrier of terylene needled felt filter bag 35, every
Exhaust vent 34 on plate 4 generates downward suction for making to be formed vacuum inside blackboard eraser, 4 on partition on terylene
PO PE NT PTFE 35 can equally obstruct the work for inhaling influence motor 54 in apparatus for ash that chalk ash particle enters lower section；When not making
Used time only needs to unclamp pressure sensor 53, and resistance increases in circuit at this time, and electric current reduction makes motor 54 shut down；Work as chalk
To a certain extent, chalk dust is discharged the slide plate 32 that can slide integrated 3 side wall of frame from dust frame 3 for ash aggregation；Work as blackboard eraser
When not enough power supply, blackboard eraser can also be placed under sunlight, the solar energy of absorption is converted to by electricity by solar panel 62
It can be stored in battery 61 for internal system use.
What has been described above is only a preferred embodiment of the present invention, it is noted that for those of ordinary skill in the art
For, without departing from the concept of the premise of the invention, various modifications and improvements can be made, these belong to the present invention
Protection scope.
Claims (8)
1. a kind of novel blackboard eraser, it is characterised in that: including brush board (1), bristle (2), collection powder frame (3), partition (4), inhale ash dress
Set (5) and pedestal (6)；The brush board (1) is located at top, and brush board (1) top is equipped with the bristle (2) for wiping blackboard, brush
The upper surface of plate (1) is additionally provided with several ash absorbing holes (11), is connected to, is used for inside the other end and collection powder frame (3) of ash absorbing hole (11)
The chalk dust of collection is delivered in collection powder frame (3)；The collection powder frame (3) is in rectangular parallelepiped structure, is located at the lower part of brush board (1),
The side side wall that collection powder frame is located at short side is equipped with control module (31), and other side side wall is equipped with transversely movable slide plate
(32)；The collection powder frame (3) bottom is equipped with lower frame step (33), is fixedly installed with partition (4) in lower frame step (33)；The collection
Powder frame (3) is located at below the side wall of long side and is equipped with exhaust vent (34) on partition (4), and collection powder frame (3) is internally located at outlet air
The position in hole (34) is equipped with one layer of filter bag (35), and the filter bag (35) is tightly attached to collection powder frame (3) inner sidewall and partition (4), will
Exhaust vent (34) covering；The suction apparatus for ash (5) is in rectangular parallelepiped structure, is located at the lower part of collection powder frame (3)；Inhale apparatus for ash
(5) top is equipped with the upper ledge step (51) for placing partition (4), and the bottom for inhaling apparatus for ash (5) is equipped with rice word support bar
(52)；It inhales apparatus for ash (5) and is located at the side side wall of short side equipped with pressure sensor (53), the pressure sensor (53) and control
Molding block (31) is located at the same side；Motor (54) are equipped with inside the suction apparatus for ash (5), motor (54) is fixedly installed in a meter word branch
On stay (52), blade (55) are connected on the output shaft of motor (54)；The pedestal (6) is located at the lower part for inhaling apparatus for ash (5),
It is made of battery (61), solar panel (62), the solar panel (62) is electrically connected with battery (61), is used for
Control module (31), pressure sensor (53) and motor (54) are powered.
2. a kind of novel blackboard eraser according to claim 1, it is characterised in that: the brush board (1) is prismatoid structure, by
Parallel upper surface, lower end surface and trapezoidal side surrounds；The upper surface area is greater than the area of lower end surface, the ash absorbing hole
(11) it is symmetrically set in the side of upper surface long side, and extends to collection powder frame (3) to lower end surface along the side wall of brush board (1)；It is described
The middle part of brush board (1) upper surface is recessed, and the bristle (2) are fixedly connected on the end face of lower recess.
3. a kind of novel blackboard eraser according to claim 2, it is characterised in that: the upper surface of described collection powder frame (3) side wall
Side wall for the section (36) tangent with brush board (1) side wall, the brush board (1) is fixedly connected with section (36).
4. a kind of novel blackboard eraser according to claim 1, it is characterised in that: be equipped with two inside the suction apparatus for ash (5)
The orthogonal parting bead of item (56), the parting bead (56) are fixedly connected on meter word support bar (52), the end part of parting bead (56)
The midpoint that apparatus for ash (5) corresponding long side and short side Wei Yu not inhaled, is divided into four regions for the suction apparatus for ash (5)；It is described
Parting bead (56) is equipped with through-hole (561).
5. a kind of novel blackboard eraser according to claim 4, it is characterised in that: the motor (54) is located at there are four setting
In four regions of parting bead (56) equal part.
6. a kind of novel blackboard eraser according to claim 1, it is characterised in that: the filter bag (35) uses terylene needled felt
Filter bag.
7. a kind of novel blackboard eraser according to claim 1, it is characterised in that: the lower end of the solar panel (62)
Face is equipped with dismountable blister pack (7), and blister pack (7) bottom surface is equal with the bottom surface of battery (61).
The platform that vibrates of multiple kinds of molds 8. one kind according to claim 1 can uniformly vibrate simultaneously, it is characterised in that: the storage
Pass through series connection between battery (61), control module (31), pressure sensor (53) and motor (54)；The control module
(31) it is made of diode VD1 and pull down resistor R1, the pressure sensor (53) is made of piezoresistive R2；The electric power storage
The anode in pond (61) is connect with the anode of diode VD1 in control module (31) and one end of pull down resistor R1, and described two
Pole pipe VD1 is in parallel with pull down resistor R1, the other end of pull down resistor R1 and one of the piezoresistive R2 in pressure sensor (53)
End connection, the other end of the piezoresistive R2 are connect with one end of motor (54), the other end of the motor (54) and two poles
The anode connection of pipe VD2, the cathode of diode VD2 are connect with the cathode of battery (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910236321.4A CN109941022A (en) | 2019-03-27 | 2019-03-27 | A kind of novel blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910236321.4A CN109941022A (en) | 2019-03-27 | 2019-03-27 | A kind of novel blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109941022A true CN109941022A (en) | 2019-06-28 |
Family
ID=67011810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910236321.4A Pending CN109941022A (en) | 2019-03-27 | 2019-03-27 | A kind of novel blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109941022A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110228315A (en) * | 2019-07-03 | 2019-09-13 | 上海理工大学 | A kind of turbine centrifugal negative pressure absorbent blackboard eraser using vibrating reed vibration hairbrush |
| CN112428732A (en) * | 2020-12-15 | 2021-03-02 | 安徽文香信息技术有限公司 | Dust-proof electric blackboard eraser based on intelligent classroom and control system thereof |
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|---|---|---|---|---|
| JPH11129695A (en) * | 1997-10-29 | 1999-05-18 | Shin Fukui | Motor operated blackboard eraser |
| CN202517966U (en) * | 2011-12-09 | 2012-11-07 | 樊荣 | Solar dust-collecting blackboard eraser |
| CN204196547U (en) * | 2014-11-05 | 2015-03-11 | 王萍 | A kind of energy saving and environment friendly blackboard eraser |
| CN105835577A (en) * | 2016-06-21 | 2016-08-10 | 南京工业职业技术学院 | Environment-friendly backboard eraser |
| CN206436697U (en) * | 2016-06-26 | 2017-08-25 | 洪家招 | A kind of environment-friendly dust-proof eraser |
| CN206446333U (en) * | 2016-12-08 | 2017-08-29 | 东北林业大学 | A kind of Novel blackboard eraser |
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2019
- 2019-03-27 CN CN201910236321.4A patent/CN109941022A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11129695A (en) * | 1997-10-29 | 1999-05-18 | Shin Fukui | Motor operated blackboard eraser |
| CN202517966U (en) * | 2011-12-09 | 2012-11-07 | 樊荣 | Solar dust-collecting blackboard eraser |
| CN204196547U (en) * | 2014-11-05 | 2015-03-11 | 王萍 | A kind of energy saving and environment friendly blackboard eraser |
| CN105835577A (en) * | 2016-06-21 | 2016-08-10 | 南京工业职业技术学院 | Environment-friendly backboard eraser |
| CN206436697U (en) * | 2016-06-26 | 2017-08-25 | 洪家招 | A kind of environment-friendly dust-proof eraser |
| CN206446333U (en) * | 2016-12-08 | 2017-08-29 | 东北林业大学 | A kind of Novel blackboard eraser |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110228315A (en) * | 2019-07-03 | 2019-09-13 | 上海理工大学 | A kind of turbine centrifugal negative pressure absorbent blackboard eraser using vibrating reed vibration hairbrush |
| CN112428732A (en) * | 2020-12-15 | 2021-03-02 | 安徽文香信息技术有限公司 | Dust-proof electric blackboard eraser based on intelligent classroom and control system thereof |
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| PB01 | Publication | ||
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Application publication date: 20190628 |