CN210792614U - Chalk dust removing device - Google Patents
Chalk dust removing device Download PDFInfo
- Publication number
- CN210792614U CN210792614U CN201920655292.0U CN201920655292U CN210792614U CN 210792614 U CN210792614 U CN 210792614U CN 201920655292 U CN201920655292 U CN 201920655292U CN 210792614 U CN210792614 U CN 210792614U
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- dust
- blackboard
- dust suction
- chalk
- controller
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Abstract
The utility model discloses a chalk dust clearing device, which comprises a blackboard, a handheld blackboard eraser and a controller, wherein the blackboard comprises a blackboard body and an erasing device, first dust absorption devices are arranged above, on the left side and on the right side of the blackboard body, dust detection sensors are arranged on the upper side, on the left side and on the right side of the surface of the blackboard body, and the first dust absorption devices are connected with a first dust storage box through dust absorption pipelines; the erasing device comprises an up-and-down sliding device, a dust brush device and a second dust suction device, wherein the up-and-down sliding device comprises an upper sliding device and a lower sliding device. The utility model provides an interior mr in the classroom adopt when giving lessons and write the chalk word on the blackboard, the dust flies in disorder when wiping the blackboard, is inhaled the lung by the teacher easily and seriously influences healthy and cause the interior bad scheduling problem of environment of classroom.
Description
Technical Field
The utility model relates to an erase device specifically is a chalk dust clearing device.
Background
When teachers give lessons in places such as schools and the like, the teacher mainly writes chalk characters on the blackboard, after the chalk is written, when the blackboard is erased, chalk dust can fly around, dust is easily sucked into the lung, the physical health of the teachers is seriously affected, and the environmental sanitation is not facilitated. Dust is diffused after the blackboard is wiped in a classroom, the effect of dust-free chalk on the market is not obvious, and the increase of the occupational disease cases and the increase of the cases of various respiratory diseases of teachers are promoted. The chalk dust is huge to teachers and students' health hazard, and although the country pays attention to education, the teaching environment can be improved only by investing a large amount of funds, green education is created, investment is large, output is little, and the teaching environment is not greatly improved. The existing intelligent blackboard erasing devices basically adopt a water-spraying blackboard eraser which needs a certain time for drying, a wet blackboard in the period of time is difficult to continue writing, the time for teachers to teach can be wasted to a certain extent, and the blackboard eraser is easy to blur and unclean in the erasing process, and easily generates a large amount of waste water, so that more serious pollution can be caused.
The prior art has already had the erasing device that can wipe the blackboard automatically, but this kind of device only can wholly wipe the blackboard, can not realize alone or the problem of partly wiping the blackboard. In addition, teachers often modify the contents of parts in class, and need to use a blackboard eraser, so that dust of the blackboard flies in a mess when the blackboard eraser is used for erasing, and the physical health of teachers and the classroom environment are affected.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a chalk dust clearing device to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a chalk dust removing device comprises a blackboard, a handheld blackboard eraser and a controller, wherein the blackboard comprises a blackboard body and an erasing device, first dust suction devices are arranged above, on the left side and on the right side of the blackboard body, dust detection sensors are arranged on the upper side, on the left side and on the right side of the surface of the blackboard body, and the first dust suction devices are connected with a first dust storage box through dust suction pipelines; the erasing device comprises an up-and-down sliding device, a dust brush device and a second dust absorption device, wherein the up-and-down sliding device comprises an upper sliding device and a lower sliding device, the dust brush device is arranged between the upper sliding device and the lower sliding device, and the second dust absorption device is arranged on the dust brush device; the second dust suction device is connected with the second dust storage box through a dust suction pipeline; two sliding rails are arranged on the upper side and the lower side of the blackboard body, and the upper sliding device and the lower sliding device are connected with the sliding rails;
the controller is connected with a first relay through a lead, and the first relay is connected with the first dust collector through a lead;
the erasing device is also provided with a control chip, an up-down sliding device and a second relay, the up-down sliding device and the second relay are both connected with the control chip, the second relay is also connected with a second dust suction device, and the control chip, the up-down sliding device, the second relay and the second dust suction device are all powered by a second dry battery; the controller is wirelessly connected with the control chip; the controller controls the moving speed and the moving direction of the up-and-down sliding device on the sliding track, and simultaneously controls the first dust suction device and the second dust suction device to absorb dust;
the handheld blackboard eraser comprises a body and a handheld blackboard eraser body, wherein the body comprises a cavity, a pressure sensor is arranged on the outer wall of the cavity, and a microcontroller, a wireless communication device and a first dry battery are arranged in the cavity; the pressure sensor is connected with a microcontroller, and the microcontroller is wirelessly connected with a controller through a wireless communication device; the first dry battery supplies power to the microcontroller, the wireless communication device and the pressure sensor; when the pressure sensor detects the pressure, the microcontroller is connected with the controller through the wireless communication device, so that the first dust absorption device is started.
As a further aspect of the present invention: the first dust suction device and the second dust suction device are dust suction fans.
As a further aspect of the present invention: the dust detection sensor is connected with the controller.
As a further aspect of the present invention: the dust detection sensors are arranged on the upper side, the left side and the right side of the surface of the blackboard body and respectively correspond to the first dust absorption devices arranged above, on the left side and on the right side of the blackboard body one by one, and the first dust absorption devices on the corresponding sides are started when the dust detection sensors detect dust.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides an interior mr in the classroom adopt when giving lessons and write the chalk word on the blackboard, the dust flies in disorder when wiping the blackboard, is inhaled the lung by the teacher easily and seriously influences healthy and cause the interior bad scheduling problem of environment of classroom.
Drawings
FIG. 1 is a schematic diagram of the novel device;
FIG. 2 is a schematic diagram of an erasing apparatus;
FIG. 3 is a schematic block diagram of the circuit control of the present invention;
in the figure: the blackboard comprises a blackboard body 1, a first dust suction device 2, an erasing device 3, an up-down sliding device 4-1, a down sliding device 4-2, a dust brush device 5, a second dust suction device 6, a dust suction pipeline 7, a second dust storage box 8, a sliding rail 9 and a dust detection sensor 10.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, in the embodiment of the present invention, a chalk dust removing device comprises a blackboard, a handheld blackboard eraser and a controller, wherein the blackboard comprises a blackboard body 1 and an erasing device 3, first dust collectors 2 are installed above, on the left side and on the right side of the blackboard body 1, dust detection sensors 10 are installed on the upper side, on the left side and on the right side of the surface of the blackboard body 1, and the first dust collectors 2 are connected with a first dust storage box through dust collection pipelines; the erasing device 3 comprises an up-and-down sliding device 4, a dust brush device 5 and a second dust absorption device 6, wherein the up-and-down sliding device 4 comprises an upper sliding device 4-1 and a lower sliding device 4-2, the dust brush device 5 is arranged between the upper sliding device 4-1 and the lower sliding device 4-2, and the second dust absorption device 6 is arranged on the dust brush device 5; the second dust suction device 6 is connected with a second dust storage box 8 through a dust suction pipeline 7; two sliding rails 9 are arranged on the upper side and the lower side of the blackboard body, and the upper sliding device 4-1 and the lower sliding device 4-2 are connected with the sliding rails 9;
the controller is connected with a first relay through a lead, and the first relay is connected with the first dust absorption device 2 through a lead;
the erasing device 3 is also provided with a control chip, an up-down sliding device 4 and a second relay, the up-down sliding device 4 and the second relay are both connected with the control chip, the second relay is also connected with a second dust suction device 6, and the control chip, the up-down sliding device 4, the second relay and the second dust suction device 6 are all powered by a second dry battery; the controller is wirelessly connected with the control chip; the controller controls the moving speed and the moving direction of the up-down sliding device 4 on the sliding track 9 and controls the first dust suction device and the second dust suction device to suck dust at the same time.
The handheld blackboard eraser comprises a body and a handheld blackboard eraser body, wherein the body comprises a cavity, a pressure sensor is arranged on the outer wall of the cavity, and a microcontroller, a wireless communication device and a first dry battery are arranged in the cavity; the pressure sensor is connected with a microcontroller, and the microcontroller is wirelessly connected with a controller through a wireless communication device; the first dry battery supplies power to the microcontroller, the wireless communication device and the pressure sensor; when the pressure sensor detects the pressure, the microcontroller is connected with the controller through the wireless communication device, so that the first dust absorption device is started.
The first dust suction device 2 and the second dust suction device 6 are dust suction fans.
The dust detection sensor 10 is connected to a controller.
The dust detection sensors 10 are arranged on the upper side, the left side and the right side of the surface of the blackboard body 1 and respectively correspond to the first dust absorption devices 2 arranged on the upper side, the left side and the right side of the blackboard body 1 one by one, and the first dust absorption devices 2 on the corresponding sides are started when the dust detection sensors 10 detect dust.
The erasing device 3 is further provided with a charging connector, the erasing device 3 stops at the rightmost side of the blackboard body 1 when not used, and the charging connector can be connected with the charging connector arranged on the upper side of the blackboard body 1.
The utility model discloses an install dust absorption fan on blackboard body 1, down and side, open dust absorption fan when dust detection sensor 10 detects the dust and need remove the chalk dust, inhale dust absorption fan special dust storage department through dust absorption fan with the chalk dust.
In order to save electric energy and enhance automation, a dust detection sensor 10 is installed on the surface of the blackboard body 1, chalk dust is detected by the dust detection sensor 10, a detection signal is sent to a controller, when the dust exceeds the standard, the controller automatically judges, a signal is output to a first relay, a power supply of a first dust absorption device 2 is switched on, and the first dust absorption device 2 starts to work. When the switch of the erasing device 3 is turned on, when the erasing device 3 erases the blackboard, the second dust suction device 6 on the erasing device 3 also starts to work, at the moment, the erasing and ageing device 3 is positioned in the center of chalk dust, a large amount of chalk dust is removed, and the rest chalk dust is basically absorbed by the first dust suction devices 2 arranged on the upper part, the lower part and the side parts of the blackboard body 1, so that the dust absorption efficiency is improved.
When writing on blackboard body 1, also can produce the chalk dust, detect the chalk dust and deposit last when dust detection sensor 10, start blackboard body 1 upper and lower and side installation dust absorption fan for the dust absorption. When a teacher modifies characters on the surface of the blackboard body 1 and the handheld blackboard eraser is used for wiping the local blackboard body 1, the pressure sensor finally transmits signals to the controller, and the controller starts the dust suction fans arranged on the upper side, the lower side and the side of the blackboard body 1 for sucking dust. When the dust detection sensor 10 can not detect chalk dust or the pressure sensor does not transmit a pressure signal, the controller automatically turns off the dust collection fan. In particular, the dust detection sensor 10 can start only the dust suction fan on the corresponding side, thereby reducing energy consumption during dust suction and reducing noise generated during dust suction.
The utility model provides an interior mr in the classroom adopt when giving lessons and write the chalk word on the blackboard, the dust flies in disorder when wiping the blackboard, is inhaled the lung by the teacher easily and seriously influences healthy and cause the interior bad scheduling problem of environment of classroom.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. A chalk dust clearing device is characterized by comprising a blackboard, a handheld blackboard eraser and a controller, wherein the blackboard comprises a blackboard body (1) and an erasing device (3), first dust suction devices (2) are arranged above, on the left side and on the right side of the blackboard body (1), dust detection sensors (10) are arranged on the upper side, on the left side and on the right side of the surface of the blackboard body (1), and the first dust suction devices (2) are connected with a first dust storage box through dust suction pipelines; the erasing device (3) comprises an upper sliding device (4), a lower sliding device (4), a dust brush device (5) and a second dust collection device (6), the upper sliding device (4) and the lower sliding device (4-1) are arranged on the upper sliding device (4-1) and the lower sliding device (4-2), the dust brush device (5) is arranged between the upper sliding device (4-1) and the lower sliding device (4-2), and the second dust collection device (6) is arranged on the dust brush device (5); the second dust suction device (6) is connected with the second dust storage box (8) through a dust suction pipeline (7); two sliding rails (9) are arranged on the upper side and the lower side of the blackboard body, and the upper sliding device (4-1) and the lower sliding device (4-2) are connected with the sliding rails (9).
2. The chalk dust removing device according to claim 1, wherein the controller is wire-connected to a first relay, and the first relay is wire-connected to the first dust suction device (2).
3. The chalk dust removing device according to claim 1 or 2, characterized in that the erasing device (3) is further provided with a control chip, an up-down sliding device (4) and a second relay, the up-down sliding device (4) and the second relay are connected with the control chip, the second relay is further connected with a second dust suction device (6), and the control chip, the up-down sliding device (4), the second relay and the second dust suction device (6) are powered by a second dry battery; the controller is wirelessly connected with the control chip; the controller controls the moving speed and the moving direction of the up-and-down sliding device (4) on the sliding track (9), and simultaneously controls the first dust suction device and the second dust suction device to suck dust.
4. The chalk dust removing device according to claim 3, wherein the body of the handheld blackboard eraser comprises a cavity, a pressure sensor is arranged on the outer wall of the cavity, and a microcontroller, a wireless communication device and a first dry battery are arranged in the cavity; the pressure sensor is connected with a microcontroller, and the microcontroller is wirelessly connected with a controller through a wireless communication device; the first dry battery supplies power to the microcontroller, the wireless communication device and the pressure sensor; when the pressure sensor detects the pressure, the microcontroller is connected with the controller through the wireless communication device, so that the first dust absorption device is started.
5. A chalk dust removing device according to claim 4, characterized in that the first dust suction device (2) and the second dust suction device (6) are dust suction fans.
6. The chalk dust removing device according to claim 5, wherein said dust detecting sensor (10) is connected to a controller.
7. The chalk dust removing device according to claim 6, wherein the upper, left and right side of the surface of the blackboard body (1) are provided with dust detecting sensors (10) corresponding to the first dust collectors (2) provided above, left and right sides of the blackboard body (1), respectively, one for one, and the first dust collector (2) on the corresponding side is activated when the dust detecting sensor (10) detects dust.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920655292.0U CN210792614U (en) | 2019-05-08 | 2019-05-08 | Chalk dust removing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920655292.0U CN210792614U (en) | 2019-05-08 | 2019-05-08 | Chalk dust removing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210792614U true CN210792614U (en) | 2020-06-19 |
Family
ID=71247217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920655292.0U Expired - Fee Related CN210792614U (en) | 2019-05-08 | 2019-05-08 | Chalk dust removing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210792614U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112497974A (en) * | 2020-12-11 | 2021-03-16 | 安徽文香信息技术有限公司 | Wisdom blackboard dust multidimensional dynamic monitoring dust collection device and system thereof |
-
2019
- 2019-05-08 CN CN201920655292.0U patent/CN210792614U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112497974A (en) * | 2020-12-11 | 2021-03-16 | 安徽文香信息技术有限公司 | Wisdom blackboard dust multidimensional dynamic monitoring dust collection device and system thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200619 Termination date: 20210508 |