CN212289322U - Blackboard erasing device - Google Patents
Blackboard erasing device Download PDFInfo
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- CN212289322U CN212289322U CN202020960031.2U CN202020960031U CN212289322U CN 212289322 U CN212289322 U CN 212289322U CN 202020960031 U CN202020960031 U CN 202020960031U CN 212289322 U CN212289322 U CN 212289322U
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- blackboard
- dust
- cloth strip
- dust removing
- removing device
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Abstract
The utility model provides a blackboard cleaning device, including blackboard and dust collector, dust collector with blackboard sliding connection. The working surface of the dust removing device is provided with a coarse cotton cloth strip for dry dust removal and a cotton cloth strip for wet dust removal, and the coarse cotton cloth strip and the cotton cloth strip are in contact with the blackboard. And a water storage grid and a micro water pump are arranged in the dust removal device corresponding to the cotton cloth strips. Corresponding to the wool cloth strips, the dust collection device is also internally provided with a dust collection fan set and a dust collection box, so that the matching use of two functions of dry dust removal and wet dust removal is realized, and the dust removal effect is good. Still be provided with step-by-step driving motor and stroke spacing detection sensor on the blackboard, realize dust collector's automatic step-by-step and automatic steering, solved the problem that needs mr to clean the blackboard repeatedly when going to school, improve teaching efficiency. The device is also internally provided with a controller which is used for carrying out unified control processing on each function, and has the advantages of simple use, convenient maintenance and better applicability.
Description
Technical Field
The utility model belongs to automatic teaching aid field, concretely relates to blackboard erasing device.
Background
The existing common chalk eraser is generally composed of a chalk eraser shell and a small cloth strip or a sponge, and chalk characters on a blackboard are erased under the action of human force. However, when the blackboard is erased manually, a teacher or a student is too close to the blackboard and cannot suck a large amount of chalk dust, so that the physical health of the teacher and the student is influenced to a certain extent. In order to reduce the harm to the physical health of teachers and students and improve the teaching efficiency of a classroom, many colleges and universities use full-automatic blackboard erasing devices at present.
However, the blackboard erasing device in the prior art has a single function, cannot realize the conversion of dry dust removal and wet dust removal, the dust removing device which is only provided with a dry dust removal operation mode is not completely erased, and when only the wet dust removal function is arranged, the humidity of the erased blackboard is inconvenient to control, and a tap water pipe needs to be additionally assembled, so that the whole device is troublesome in construction and high in cost.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the shortcoming and not enough among the prior art, provide a blackboard erasing device, can realize removing dust futilely and the collocation use of wet two kinds of functions that remove dust, remove dust totally, effectual.
The utility model provides a technical scheme that its technical problem adopted is:
a blackboard erasing device comprises a dust removing device arranged on a blackboard, wherein the dust removing device is connected with the blackboard in a sliding manner, a cloth strip group is arranged on the working surface of the dust removing device, and the cloth strip group is arranged in contact with the blackboard;
the dust removal device is also provided with a water delivery device, and the output end of the water delivery device is at least connected with part of the cloth strip group.
Preferably, the cloth strip group comprises a wool cloth strip and a cotton cloth strip, and the output end of the water delivery device is connected with the cotton cloth strip.
Preferably, the working face of the dust removal device is provided with a groove, and the wool cloth strips and the cotton cloth strips are detachably arranged in the groove.
Preferably, the water delivery device is detachably arranged inside the dust removal device and comprises a water storage grid and a micro water pump, the micro water pump is connected with the water storage grid, and the output end of the micro water pump is connected with the cotton cloth strip.
Preferably, the blackboard comprises a plurality of screw rods arranged on the blackboard, and the dust removal device is provided with a plurality of sliding blocks which are in sliding connection with the screw rods.
Preferably, a plurality of driving motors are arranged corresponding to the screw rod and are in transmission connection with the screw rod, and the screw rod is provided with stroke sensors which are arranged in pairs and are respectively and correspondingly arranged at the operation starting end and the operation tail end of the sliding block;
the stroke sensor is electrically connected with the driving motor.
Preferably, a plurality of dust suction fans and dust collection boxes are detachably arranged in the dust removing device;
the working surface of the dust removing device is provided with a plurality of dust collecting holes, and the working end of the dust collecting fan faces the dust collecting holes;
the dust collecting box is arranged at the bottom of the dust removing device, and a filter screen is arranged at the working end of the dust collecting fan.
Preferably, the dust removal device is further provided with a controller, and the controller is electrically connected with the driving motor, the water delivery device and the stroke sensor respectively.
Preferably, the controller is provided with a battery and a key, and the key is electrically connected with the driving motor.
Compared with the prior art, the beneficial effects of the utility model are that:
in this scheme, dust collector is provided with the coarse cotton strip that is used for doing the dust removal and is used for the cotton strip of wet dust removal, the cotton strip with dust collector's inside micro-water pump's output is connected, micro-water pump and water storage check are linked together, can realize the conversion of two kinds of functions of doing dust removal and wet dust removal, and the dust removal is clean, effectual to need not assemble water pipe in addition, with low costs.
In this scheme, be provided with mated stroke sensor, driving motor on the blackboard and by driving motor driven lead screw, it is mated stroke sensor and driving motor are connected with the controller electricity respectively, stroke sensor corresponds the setting respectively and is in the operation top and the operation end of slider, under stroke sensor's spacing detection, dust collector slides to the blackboard edge after, controller control driving motor reversal and then control dust collector's automatic reversing realizes full-automatic dust removal, has solved the problem that the teacher need manually clean the blackboard on class, improves efficiency on class.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative effort.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the working surface of the dust removing device of the present invention.
Fig. 3 is a schematic structural view of the opposite side of the working surface of the dust removing device of the present invention.
Wherein:
1-blackboard, 11-screw rod, 12-first further driving motor, 121-first left travel limit detection sensor, 122-first right travel limit detection sensor, 13-second further driving motor, 131-second left travel limit detection sensor, 132-second right travel limit detection sensor;
2-dust removal device, 21-slide block, 22-dust suction fan, 23-felt strip, 24-cotton cloth strip, 25-dust suction hole, 26-circuit board mounting grid, 27-dust collection box, 271-collection box buckle, 28-water storage grid, 281-micro water pump and 282-water storage grid buckle.
Detailed Description
In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be described in detail with reference to the accompanying drawings and detailed description. In addition, the embodiments and features of the embodiments of the present application may be combined with each other without conflict. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, and the described embodiments are merely some embodiments, rather than all embodiments, of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Example 1
As shown in fig. 1 to 3, the present embodiment provides a blackboard erasing device, which includes a dust removing device 2 disposed on a blackboard 1, wherein the dust removing device 2 is slidably connected to the blackboard 1, a cloth strip group is disposed on a working surface of the dust removing device 2, and the cloth strip group is disposed in contact with the blackboard 1;
the cloth strip group is including the cotton strip 24 that is used for the dry dust removal's wool cloth strip 23 and is used for wet dust removal, wool cloth strip 23 and cotton strip 24's the back is provided with the plastics strip of "worker" style of calligraphy, wool cloth strip 23 and cotton strip 24 insert through plastics strip detachably and set up in the recess of dust collector 2 working face, dust collector 2 still is provided with water delivery device, cotton strip 24 is connected with water delivery device's output, make cotton strip 24 can maintain invariable humidity always, realize the function of wet dust removal.
As a preferred scheme, the blackboard comprises a plurality of screw rods 11 arranged on the blackboard 1, a plurality of sliding blocks 21 are arranged on the dust removing device 2 corresponding to the screw rods 11, and the sliding blocks 21 are connected with the screw rods 11 in a sliding mode.
Further, the dust removing device 2 is a rectangular blackboard eraser, the lower side and the upper side of the edge of the blackboard 1 are respectively provided with a screw rod 11, the length of the screw rod 11 is consistent with that of the blackboard 1, the dust removing device 2 is further provided with a sliding block 21 corresponding to each screw rod 11, the sliding blocks 21 are respectively arranged at two ends of the blackboard eraser, and the sliding blocks 21 are in sliding connection with the screw rods 11.
As a preferable scheme, the blackboard further comprises a plurality of driving motors and a plurality of paired stroke sensors which are arranged on the blackboard 1, and the stroke sensors are respectively correspondingly arranged at the operation starting end and the operation tail end of the slide block 21. The screw rod 11 rotates synchronously with the driving of the driving motor.
Furthermore, two driving motors are arranged on the upper side and the lower side of the blackboard 1 corresponding to the two screw rods 11, a first stepping driving motor 12 is arranged on the upper side, a second stepping driving motor 13 is arranged on the lower side, and the screw rods 11 synchronously rotate along with the driving of the corresponding driving motors, so that the automatic stepping of the blackboard eraser on the blackboard is realized, and the dust removal work is started.
The stroke sensor is specifically a stroke limit detection sensor, which is arranged at four bottom corners of the blackboard 1 and is respectively a first left stroke limit detection sensor 121, a first right stroke limit detection sensor 122, a second left stroke limit detection sensor 131 and a second right stroke limit detection sensor 132, wherein the first left stroke limit detection sensor 121 and the first right stroke limit detection sensor 122 are electrically connected with the first stepping motor 12, and the second left stroke limit detection sensor 131 and the second right stroke limit detection sensor 132 are electrically connected with the second stepping motor 13. When the first right stroke limit detection sensor 122 and the second right stroke limit detection sensor 132 detect that the blackboard eraser moves to the right edge of the blackboard 1, the first stepping drive motor 12 and the second stepping drive motor 13 start to rotate reversely, so that the blackboard eraser returns to move leftward.
Similarly, when the first left stroke limit detection sensor 121 and the second left stroke limit detection sensor 122 detect that the blackboard eraser moves to the left edge of the blackboard 1, the first stepping drive motor 12 and the second stepping drive motor 13 rotate reversely again to enable the blackboard eraser to return to move rightwards, so that the blackboard eraser can automatically move left and right to complete the dust removal work of the blackboard. And the full-automatic dust removal is realized, and the problem that the blackboard needs to be manually erased in the teaching process of a teacher is solved.
As a preferable scheme, the water delivery device is detachably disposed inside the dust removing device 2, the water delivery device includes a water storage grid 28 and a micro water pump 281, the micro water pump 281 is connected with the water storage grid 28, and an output end of the micro water pump 281 is connected with the cotton cloth strip 24.
Further, water storage check 28 is provided with water storage check buckle 282, and the detachably joint sets up inside dust collector 2, when water storage check 28 water storage volume is not enough, loosens water storage check buckle 282, demolishs water storage check 28 and can use repeatedly after the water injection again, does not need external water pipe, and convenient to use is simple, and the suitability is good. The micro water pump 281 is connected with the cotton cloth strips 24 through a water pumping pipe, and provides water for the cotton cloth strips 24 at any time to keep humidity.
As a preferable scheme, a plurality of dust suction fans 22 and a dust collection box 27 are detachably arranged in the dust removing device 2, a plurality of dust suction holes 25 are arranged on the working surface of the dust removing device 2, and the working ends of the dust suction fans 22 are arranged towards the dust suction holes 25; the dust collecting box 27 is arranged at the bottom of the dust removing device 2, and the working end of the dust suction fan 22 is provided with a filter screen. When the blackboard eraser removes dust along with the movement of the sliding block 21, the dust collection fan set starts to work, the carried chalk dust is sucked into the blackboard eraser body by the dust collection fan set through the dust collection hole 25 at the bottom of the blackboard eraser, and the dust is blocked by the filter screen and falls into the dust collection box 27.
As a preferable scheme, the dust removing device 2 is further provided with a controller, and the controller is respectively and electrically connected with the driving motor, the water delivery device and the stroke sensor. The controller is provided with a battery and a key, and the key is electrically connected with the driving motor.
Further, the controller is respectively and electrically connected with the micro water pump 281, the acousto-optic alarm lamp of the water storage grid 28, the stepping drive motor, the stroke limit detection sensor and the humidity sensor arranged inside the cotton strip 24.
When a key is pressed down, the controller starts the stepping driving motor, the stepping driving motor controls the sliding block 21 on the screw rod 11 to move according to a set speed and direction, when the stroke limit detection sensor corresponding to the stepping driving motor detects that the blackboard eraser moves to the edge of the blackboard 1, the stroke limit detection sensor transmits a signal to the controller, the controller controls the first stepping driving motor 12 and the second stepping driving motor 13 to rotate reversely, so that the blackboard eraser automatically wipes the blackboard back and forth, the movement of the blackboard eraser is stopped until a set number of times is reached or a stop key is pressed, and the blackboard eraser is automatically stopped at the position, right opposite to the first left stroke limit detection sensor 121 and the second left stroke limit detection sensor 122, on the left side of the blackboard 1, so that the full-automatic blackboard dust removal function is realized, the problem that a teacher needs to manually wipe the blackboard during teaching is solved, and the teaching efficiency is improved.
The humidity sensor inside the cotton cloth strip 24 detects the humidity of the cotton cloth strip 24 in real time, when the humidity is not enough, the controller transmits a signal to the controller, the controller controls the micro water pump 281 to deliver water to the cotton cloth strip 24 through the water pumping pipe, so that the cotton cloth strip 24 keeps certain humidity to wipe the blackboard, the blackboard 1 is clean, and the dryness and the convenience in use can be quickly recovered. If the controller still receives the signal that humidity is not enough when the micro water pump 281 continuously works for a period of time, the controller judges that the water storage amount of the water storage grid 28 is not enough, and controls the acousto-optic alarm lamp to send out acousto-optic prompt to remind a user of filling water into the water storage grid 28 in time, so that the normal operation of the device is ensured.
In addition, the keys can control the specific time for regularly erasing the blackboard and the speed of the driving motor, the functions of starting, pausing and stopping erasing the blackboard are realized, and a clock system in the controller can provide real-time for the system to work.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, so that any modification, equivalent change and modification made by the technical spirit of the present invention to the above embodiments do not depart from the technical solution of the present invention, and still fall within the scope of the technical solution of the present invention.
Claims (9)
1. A blackboard erasing device is characterized by comprising a dust removing device arranged on a blackboard, wherein the dust removing device is connected with the blackboard in a sliding manner, a cloth strip group is arranged on the working surface of the dust removing device, and the cloth strip group is arranged in contact with the blackboard;
the dust removal device is also provided with a water delivery device, and the output end of the water delivery device is at least connected with part of the cloth strip group.
2. A blackboard erasing device according to claim 1, characterised in that the cloth strip set includes a wool cloth strip and a cotton cloth strip, the output end of the water delivery device being connected to the cotton cloth strip.
3. A blackboard erasing device according to claim 2, wherein the working surface of the dust removing device is provided with a groove, and the wool cloth strips and the cotton cloth strips are detachably arranged in the groove.
4. A blackboard erasing device according to claim 2, wherein the water delivery device is detachably disposed inside the dust removing device, the water delivery device includes a water storage grid and a micro water pump, the micro water pump is connected to the water storage grid, and an output end of the micro water pump is connected to the cotton cloth strip.
5. A blackboard erasing device according to claim 1, including a plurality of lead screws disposed on the blackboard, and a plurality of sliders disposed on the dust removing device, the sliders being slidably connected to the lead screws.
6. A blackboard erasing device according to claim 5, characterized in that a plurality of driving motors are provided corresponding to the lead screw, the driving motors are in transmission connection with the lead screw, the lead screw is provided with stroke sensors which are provided in pairs, and the stroke sensors are respectively provided at the operation starting end and the operation end of the slider;
the stroke sensor is electrically connected with the driving motor.
7. A blackboard erasing device according to claim 6, wherein the dust removing device is also detachably provided with a plurality of dust suction fans and dust collecting boxes inside;
the working surface of the dust removing device is provided with a plurality of dust collecting holes, and the working end of the dust collecting fan faces the dust collecting holes;
the dust collecting box is arranged at the bottom of the dust removing device, and a filter screen is arranged at the working end of the dust collecting fan.
8. A blackboard erasing device according to claim 7, wherein the dust removing device is further provided with a controller, and the controller is electrically connected with the driving motor, the water delivery device and the stroke sensor respectively.
9. A blackboard erasing apparatus according to claim 8, wherein the controller is provided with a battery and a button, and the button is electrically connected to the driving motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020960031.2U CN212289322U (en) | 2020-05-29 | 2020-05-29 | Blackboard erasing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020960031.2U CN212289322U (en) | 2020-05-29 | 2020-05-29 | Blackboard erasing device |
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| Publication Number | Publication Date |
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| CN212289322U true CN212289322U (en) | 2021-01-05 |
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| CN202020960031.2U Active CN212289322U (en) | 2020-05-29 | 2020-05-29 | Blackboard erasing device |
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| CN (1) | CN212289322U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115792368A (en) * | 2022-12-20 | 2023-03-14 | 广东晶正科技有限公司 | Electric energy metering device based on artificial intelligence image recognition |
-
2020
- 2020-05-29 CN CN202020960031.2U patent/CN212289322U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115792368A (en) * | 2022-12-20 | 2023-03-14 | 广东晶正科技有限公司 | Electric energy metering device based on artificial intelligence image recognition |
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