CN109334314B - Ultrasonic cleaning blackboard device - Google Patents
Ultrasonic cleaning blackboard device Download PDFInfo
- Publication number
- CN109334314B CN109334314B CN201811530187.0A CN201811530187A CN109334314B CN 109334314 B CN109334314 B CN 109334314B CN 201811530187 A CN201811530187 A CN 201811530187A CN 109334314 B CN109334314 B CN 109334314B
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- CN
- China
- Prior art keywords
- blackboard
- cleaning
- film
- cavity
- tank
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000004506 ultrasonic cleaning Methods 0.000 title claims description 25
- 238000004140 cleaning Methods 0.000 claims abstract description 86
- 239000012528 membrane Substances 0.000 claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 40
- 238000005406 washing Methods 0.000 claims description 19
- 239000010865 sewage Substances 0.000 claims description 13
- 238000000746 purification Methods 0.000 claims description 12
- 238000001035 drying Methods 0.000 claims description 11
- 230000003204 osmotic effect Effects 0.000 claims description 4
- 230000003247 decreasing effect Effects 0.000 claims description 2
- 239000007788 liquid Substances 0.000 abstract description 26
- 239000000428 dust Substances 0.000 abstract description 7
- 239000000843 powder Substances 0.000 abstract description 4
- 230000009471 action Effects 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 7
- 239000008213 purified water Substances 0.000 description 5
- 230000008676 import Effects 0.000 description 3
- 239000002893 slag Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000012459 cleaning agent Substances 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 238000010981 drying operation Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
Images
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
- B08B3/12—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration by sonic or ultrasonic vibrations
Landscapes
- Drawing Aids And Blackboards (AREA)
Abstract
The invention discloses an ultrasonic blackboard cleaning device which comprises a base, a blackboard film and an ultrasonic generator, wherein a cleaning cavity is formed in the base and is provided with an inlet and an outlet; the blackboard membrane is movably arranged on the base and can enter from the inlet, pass through the cleaning cavity and move out through the outlet; the ultrasonic generator is used for acting on the blackboard film in the cleaning cavity so as to clean the blackboard film. In the technical scheme provided by the invention, the ultrasonic generator acts on the liquid in the cleaning cavity to generate cavitation and direct current action, so that the blackboard film after writing enters the cleaning cavity from the inlet, and dirt such as powder and the like attached to the blackboard film is dispersed, stripped and mixed into the liquid, thereby realizing effective cleaning of the blackboard film and avoiding environment damage caused by dust.
Description
Technical Field
The invention relates to the technical field of teaching aids, in particular to an ultrasonic blackboard cleaning device.
Background
After the existing blackboard is used for writing, the existing blackboard is generally erased by means of an eraser, so that the purpose of eliminating blackboard writing marks can be achieved, but dust is easy to raise to influence the cleanness of the environment; or the blackboard can be scrubbed through the wet rag, dust raising can be effectively avoided, but the rag is easy to be dirty after being used for many times, the scrubbing effect of the blackboard is poor, and the rag needs to be cleaned back and forth, so that inconvenience is caused.
Disclosure of Invention
The invention mainly aims to provide an ultrasonic blackboard cleaning device, and aims to solve the problems that dust is easy to raise and the cleaning effect is poor when an existing blackboard is cleaned.
In order to achieve the above object, the present invention provides an ultrasonic cleaning blackboard device, comprising:
the cleaning device comprises a base, a cleaning cavity and a cleaning device, wherein the cleaning cavity is formed inside the base and is provided with an inlet and an outlet;
a black plate membrane movably mounted to the base and accessible from the inlet, through the cleaning chamber, and out through the outlet; and the number of the first and second groups,
and the ultrasonic generator is used for acting on the blackboard film in the cleaning cavity so as to clean the blackboard film.
Preferably, ultrasonic cleaning blackboard device still includes drying device, drying device locates the base, just drying device compare in the import of washing the chamber is closer to the export setting of washing the chamber is used for to after the washing blackboard membrane is dried.
Preferably, the blackboard film is arranged in a closed loop, one section of the blackboard film is positioned on the front side of the base to form a blackboard writing surface, and the rest section of the blackboard film is positioned in the cleaning cavity.
Preferably, the base is provided with a cleaning tank with an upward notch, the cleaning tank defines the cleaning cavity, the notch forms the inlet and the outlet, and the ultrasonic generator is arranged on the inner side wall of the cleaning tank;
ultrasonic cleaning blackboard device still includes follows respectively the width direction of blackboard membrane extends five rollers that set up, the blackboard membrane is around locating in proper order five rollers, wherein:
two of the five roll shafts are arranged above the cleaning tank and are respectively arranged at the front side and the rear side of the cleaning tank;
two of the rest three roll shafts are arranged below the cleaning tank and are respectively arranged at the front side and the rear side of the cleaning tank;
the rest roll shafts are arranged at the bottom of the cleaning tank.
Preferably, the ultrasonic cleaning blackboard device further comprises a driving motor, and the driving motor is in driving connection with at least one of the five roller shafts.
Preferably, the cleaning tank is provided with a water inlet pipe and a sewage discharge pipe;
the blackboard device with ultrasonic cleaning further comprises a water purification cavity and a suction pump, wherein the water purification cavity is communicated with the water inlet pipe and the sewage discharge pipe respectively, and the suction pump is arranged between the sewage discharge pipe and the water purification cavity.
Preferably, the water purification chamber includes the osmotic membrane, the osmotic membrane will the water purification chamber is divided into chamber section and lower chamber section, wherein, the oral siphon intercommunication upper chamber section, the blow off pipe passes through the suction pump intercommunication lower chamber section.
Preferably, be located in the washing tank the top of roller is equipped with the dirty groove of collection, the notch in the dirty groove of collection sets up, just the dirty groove of collection falls into first groove section and second groove section from last to down in proper order, wherein, the groove width of first groove section is supreme from bottom to be big setting gradually, the groove width of second groove section is supreme from bottom to be little setting gradually.
Preferably, the edge of the first groove section is provided with a flexible brush in an outward protruding manner, and the brush surface of the flexible brush abuts against the blackboard film.
Preferably, the blackboard cleaning device with ultrasonic waves further comprises a cover plate, wherein the cover plate is movably arranged on the cleaning tank and is provided with an opening position enabling the cleaning tank to be communicated with the outside and a closing position covering the notch of the cleaning tank;
wherein, the cover plate is provided with an abdication slot hole for the blackboard film to pass through.
In the technical scheme provided by the invention, the ultrasonic generator acts on the liquid in the cleaning cavity to generate cavitation and direct current action, so that after the blackboard film enters the cleaning cavity from the inlet, dirt such as powder and the like attached to the blackboard film is dispersed, stripped and mixed into the liquid, the effective cleaning of the blackboard film can be realized, and the environment can be prevented from being damaged by dust.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural view of an embodiment of an ultrasonic cleaning blackboard apparatus provided in the present invention;
fig. 2 is a schematic cross-sectional view taken along line a-a in fig. 1.
The reference numbers illustrate:
reference numerals | Name (R) | Reference numerals | Name (R) | |
100 | Ultrasonic blackboard cleaning device | 6 | Driving motor | |
1 | |
71 | |
|
11 | |
72 | |
|
| Inlet pipe | 73 | |
|
11b | Blow-off pipe | 8 | Dirt collecting tank | |
12 | |
81 | |
|
2 | |
82 | |
|
3 | |
83 | Flexible brush | |
4 | Drying device | 9 | |
|
5 | Roll shaft |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The invention provides an ultrasonic blackboard cleaning device, and fig. 1 to 2 show an embodiment of the ultrasonic blackboard cleaning device provided by the invention.
Referring to fig. 1 and 2, in this embodiment, the ultrasonic cleaning blackboard device 100 includes a base 1, a blackboard film 2, and an ultrasonic generator 3, where the base 1 may be a frame structure or a box structure, a cleaning cavity is formed inside the base 1, the cleaning cavity is provided with an inlet and an outlet, the blackboard film 2 is movably installed on the base 1, and at least one position of the base 1 defines a blackboard-writing area, so that the blackboard film 2 moving to the blackboard-writing area can be used for blackboard writing, and when the blackboard writing needs to be cleaned, the blackboard film 2 can be manually or dynamically driven to enter from the inlet, pass through the cleaning cavity, and be moved out through the outlet; the ultrasonic generator 3 is used for acting on the blackboard membrane 2 in the cleaning cavity so as to clean the blackboard membrane 2. Specifically, the cleaning cavity is filled with liquid, and the ultrasonic generator 3 can act on the liquid to vibrate the liquid at high frequency, so as to effectively clean the blackboard film 2. Wherein, the liquid can be clear water or cleaning liquid added with water-based cleaning agent.
In the technical scheme provided by the invention, the ultrasonic generator 3 acts on the liquid in the cleaning cavity to generate cavitation and direct current action, so that after the blackboard film 2 enters the cleaning cavity from the inlet, dirt such as powder and the like attached to the blackboard film 2 is dispersed, stripped and mixed into the liquid, thereby realizing effective cleaning of the blackboard film 2 and avoiding environment damage caused by dust.
When the cleaned blackboard film 2 is moved out through the outlet, the surface is wet, and at the moment, the blackboard film 2 can be dried by natural wind in the process of moving to the blackboard-writing area; or, ultrasonic cleaning blackboard device 100 can additionally set up drying device 4, drying device 4 locates base 1, just drying device 4 compare in the import that washs the chamber is closer to wash the export setting in chamber for after the washing blackboard membrane 2 dries. Compare in the technical scheme that natural wind air-dries, no matter in the environment that humidity is great or the temperature is lower, drying device 4's dehumidification effect still can keep quick effective, can avoid the dust in the air etc. to gather in moist department, prevent blackboard membrane 2's secondary pollution.
Further, in this embodiment, the blackboard film 2 is disposed in a closed loop, and a section of the blackboard film 2 is located on the front side of the base 1 to form a blackboard writing surface, the front side of the base 1 is also the blackboard writing area, and the rest of the blackboard film 2 is located in the cleaning chamber. Since the blackboard film 2 is generally made of a soft material, preferably, the base 1 includes a support plate 12 extending upward and downward, and the support plate 12 is located in the blackboard-writing area and is used for supporting the blackboard film 2 for blackboard writing. The surface of the support plate 12 is smoothened so as not to influence the fluency of writing on the blackboard film 2 by a user, in addition, the blackboard film 2 can be selected from blackboard films with one frosted surface and the other smooth surface, and the frosted surface is used for writing on the blackboard to reduce reflection and facilitate the viewing of writing marks; the smooth shape is more likely to create electrostatic attraction with the support plate 12, optimizing the writing experience for the user. In addition, the closed loop arrangement makes the blackboard film 2 can circulate among blackboard writing, cleaning and drying operations in sequence, which can ensure that the movement of the blackboard film 2 is smooth and continuous, and does not need to occupy additional space.
In the present invention, the concrete expression form of the base 1 is not limited, but preferably, the base 1 is in a rectangular parallelepiped configuration, for example, a rectangular parallelepiped frame formed by splicing six support rods, or a rectangular parallelepiped structure formed by splicing six support rods and at least one flat plate, so that a larger area can be reserved as the blackboard-writing area for the blackboard-writing film 2 to spread to facilitate blackboard-writing, and the base is more suitable for occasions such as classrooms, meeting rooms, and the like. Base 1 is equipped with notch washing tank 11 up, washing tank 11 is preferably the metal tank, has more the durability, washing tank 11 prescribes a limit to wash the chamber, the notch forms the import with the export, supersonic generator 3 can locate arbitrary inside wall of washing tank 11, promptly, blackboard membrane 2 can certainly the notch gets into wash the chamber, the warp follow again behind the supersonic generator 3 effect the notch shifts out, can avoid right the metal tank is seted up too much opening and is caused liquid in the washing tank 11 spills, pollutes ultrasonic cleaning blackboard device 100's drawback. In addition, the ultrasonic blackboard cleaning device 100 further comprises five roller shafts 5 respectively extending along the width direction of the blackboard film 2, the blackboard film 2 is sequentially wound around the five roller shafts 5, wherein two of the five roller shafts 5 are arranged above the cleaning tank 11 and are respectively arranged at the front side and the rear side of the cleaning tank 11; two of the rest three roll shafts 5 are arranged below the cleaning tank 11 and are respectively arranged at the front side and the rear side of the cleaning tank 11; the remaining one of the roll shafts 5 is disposed at the bottom of the wash bowl 11. At this time, the blackboard film 2 is arranged in the closed loop, that is, the head end and the tail end of the blackboard film 2 are connected to form a concave-shaped moving path, so that a circulating process from a blackboard writing, cleaning and finally drying is formed, and the cleaning efficiency of the blackboard film 2 can be improved.
In this embodiment, the five roller shafts 5 can be linked when the blackboard film 2 is wound, that is, when at least one of the five roller shafts 5 is set to rotate, the remaining four roller shafts 5 also rotate correspondingly, so as to drive the blackboard film 2 to move continuously, it should be noted that the rotation setting can be implemented by manual operation of a user, for example, an adjusting hand wheel is connected to one of the five roller shafts 5 in a transmission manner, and the user can drive the linkage of the five roller shafts 5 by rotating the adjusting hand wheel; or, ultrasonic cleaning blackboard device 100 still includes driving motor 6, driving motor 6 drive is connected at least one in five roller 5, through driving motor 6's rotation drives at least one in five roller 5 rotates to the linkage of four remaining roller 5 of drive, thereby drives blackboard membrane 2's continuous activity, and is convenient and laborsaving more.
In addition, since dirt such as powder attached to the black plate film 2 can be peeled off from the black plate film 2 by the ultrasonic generator 3 and enter the liquid, therefore, after long-term use, more waste slag is accumulated in the cleaning tank 11, and if the waste slag is not cleaned in time, when the ultrasonic generator 3 acts on the liquid again to vibrate the liquid, the waste residue is simultaneously carried and at least partially reattached to the black plate film 2, reducing the cleaning effect of the black plate film 2, and therefore, referring to fig. 1, in this embodiment, the cleaning tank 11 is provided with a water inlet pipe 11a and a sewage discharge pipe 11b, the ultrasonic cleaning blackboard apparatus 100 further comprises a clean water chamber 71 and a suction pump 72, the purified water cavity 71 is respectively communicated with the water inlet pipe 11a and the sewage discharge pipe 11b, and the suction pump 72 is arranged between the sewage discharge pipe 11b and the purified water cavity 71. Blow off pipe 11b is used for with the mixed liquid of area sediment of washing tank 11 bottom pumps extremely water purification chamber 71, warp water purification chamber 71 handles the back and obtains clean deslagged liquid and pass through oral siphon 11a reenters washing tank 11 realizes the water purification circulation, can effectively the using water wisely and ensure blackboard membrane 2's cleaning performance. Further, the water inlet pipe 11a may also be provided with a driving pump to provide the circulation power of the liquid at the position, or the clean water cavity 71 may be provided as a closed cavity body, which is communicated with the cleaning tank 11 only through the water inlet pipe 11a and the sewage discharge pipe 11b, so that the amount of the sewage entering the clean water cavity 71 through the sewage discharge pipe 11b is balanced by the same amount of the liquid discharged from the clean water cavity 71 through the water inlet pipe 11a, so as to realize the unpowered circulation of the liquid at the water inlet pipe 11 a.
Further, in this embodiment, the purified water chamber 71 includes a permeable membrane 73, and the permeable membrane 73 divides the purified water chamber 71 into an upper chamber section and a lower chamber section, wherein the water inlet pipe 11a is communicated with the upper chamber section, and the sewage discharge pipe 11b is communicated with the lower chamber section through the suction pump 72. The permeable membrane 73 allows the liquid in the lower cavity section to enter the upper cavity section, but isolates the waste slag to enter the upper cavity section, so that the liquid entering the water inlet pipe 11a is the slag-removed liquid, and the liquid is purified. It should be noted that the permeable membrane 73 does not limit the way of water purification in the purified water chamber 71, and in a possible embodiment, the permeable membrane 73 may be replaced by, for example, a sponge, a fine sand layer, an activated carbon layer, or a plant layer, and details thereof are not described herein.
In addition, in order to realize the centralized treatment of the waste residues in the cleaning tank 11, please refer to fig. 2, in this embodiment, a dirt collecting tank 8 is disposed in the cleaning tank 11 above the roller shaft 5, a notch of the dirt collecting tank 8 is disposed upward, and the dirt collecting tank 8 is sequentially divided into a first tank section 81 and a second tank section 82 from top to bottom, wherein a tank width of the first tank section 81 is gradually increased from bottom to top, and a tank width of the second tank section 82 is gradually decreased from bottom to top. The big gradually of first groove section 81 sets up the area of contact that can effectively increase with waste residue in the liquid for more waste residues can follow the big gradually sets up and gets into second groove section 82, the little gradually of second groove section 82 sets up and can effectively reduce the follow return back to in the dirty groove 8 of collection washing tank 11 the volume of waste residue realizes the concentrated of waste residue is subsided, at this moment, blow off pipe 11b can communicate second groove section 82 sets up, with discharge in a large number, more high-efficient the waste residue.
Further, in this embodiment, the edge of the first groove section 81 is provided with a flexible brush 83 protruding outwards, and a brush surface of the flexible brush 83 abuts against the blackboard film 2. When the blackboard film 2 moves in the cleaning groove 11, the flexible brush 83 moves relatively, so that the flexible brush 83 acts on the blackboard film 2 to further clean the dirt on the blackboard film 2. The flexible brush 83 may be, for example, a soft brush, a cloth brush, or a sponge brush, and is in flexible contact with the blackboard film 2 to prevent the blackboard film 2 from being damaged.
Further, the ultrasonic cleaning blackboard device 100 further comprises a cover plate 9, wherein the cover plate 9 is movably mounted on the cleaning tank 11 and has an open position enabling the cleaning tank 11 to be communicated with the outside and a closed position covering the notch of the cleaning tank 11; the cover plate 9 is provided with an abdicating long hole for the blackboard film 2 to pass through. The cover plate 9 may be installed on the cleaning tank 11, for example, rotatably around a pin, or may be installed on the cleaning tank 11 by moving up and down through a pulling rope, etc., so that when the cover plate 9 is at the closed position, the liquid in the cleaning tank 11 may be prevented from being splashed out, and a certain noise elimination effect may be achieved. The inner side surface of the abdicating long hole is preferably provided with a flexible layer or is smoothly arranged so as to reduce friction with the blackboard film 2 and avoid scratching the blackboard film 2.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. An ultrasonic cleaning blackboard device, characterized by comprising:
the washing device comprises a base, a washing cavity and a washing cavity, wherein the base is provided with a washing tank with an upward notch, the washing tank defines a washing cavity, and the notch forms an inlet and an outlet;
the blackboard film is movably arranged on the base, can enter from the inlet, passes through the cleaning cavity and moves out from the outlet, is in a closed loop arrangement, one section of the blackboard film is positioned on the front side of the base to form a blackboard writing surface, and the rest section of the blackboard film is positioned in the cleaning cavity; and the number of the first and second groups,
the ultrasonic generator is arranged on the inner side wall of the cleaning tank and is used for acting on the blackboard film in the cleaning cavity so as to clean the blackboard film;
wherein, ultrasonic cleaning blackboard device is including following respectively the width direction of blackboard membrane extends five rollers that set up, the blackboard membrane is around locating in proper order five rollers, wherein:
two of the five roll shafts are arranged above the cleaning tank and are respectively arranged at the front side and the rear side of the cleaning tank;
two of the rest three roll shafts are arranged below the cleaning tank and are respectively arranged at the front side and the rear side of the cleaning tank;
the rest roll shafts are arranged at the bottom of the cleaning tank.
2. The ultrasonic cleaning blackboard apparatus according to claim 1, further comprising a drying device disposed on the base, wherein the drying device is disposed closer to the outlet of the cleaning chamber than the inlet of the cleaning chamber, and is configured to dry the cleaned blackboard film.
3. The ultrasonic cleaning blackboard apparatus according to claim 1, wherein the ultrasonic cleaning blackboard apparatus further includes a driving motor drivingly connected to at least one of the five rollers.
4. The ultrasonic cleaning blackboard apparatus according to claim 1, wherein the cleaning tank is provided with a water inlet pipe and a drain pipe;
the blackboard device with ultrasonic cleaning further comprises a water purification cavity and a suction pump, wherein the water purification cavity is communicated with the water inlet pipe and the sewage discharge pipe respectively, and the suction pump is arranged between the sewage discharge pipe and the water purification cavity.
5. The ultrasonic cleaning blackboard apparatus according to claim 4, wherein the clear water chamber includes an osmotic membrane, the osmotic membrane divides the clear water chamber into an upper chamber section and a lower chamber section, wherein the water inlet pipe communicates with the upper chamber section, and the sewage discharge pipe communicates with the lower chamber section through the suction pump.
6. The ultrasonic cleaning blackboard device according to claim 1, wherein a dirt collecting groove is disposed in the cleaning groove above the roller shaft, the notch of the dirt collecting groove is disposed upward, and the dirt collecting groove is divided into a first groove section and a second groove section from top to bottom in sequence, wherein the groove width of the first groove section is gradually increased from bottom to top, and the groove width of the second groove section close to the first groove section is gradually decreased from bottom to top.
7. An ultrasonic cleaning blackboard device according to claim 6, wherein the edge of the first groove section is provided with a flexible brush protruding outwards, and the brush surface of the flexible brush is arranged to abut against the blackboard film.
8. The ultrasonic cleaning blackboard apparatus according to claim 1, further comprising a cover plate movably installed at the cleaning tank and having an open position for allowing the cleaning tank to communicate with the outside and a closed position for covering the notch of the cleaning tank;
wherein, the cover plate is provided with an abdication slot hole for the blackboard film to pass through.
Priority Applications (1)
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CN201811530187.0A CN109334314B (en) | 2018-12-13 | 2018-12-13 | Ultrasonic cleaning blackboard device |
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CN201811530187.0A CN109334314B (en) | 2018-12-13 | 2018-12-13 | Ultrasonic cleaning blackboard device |
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CN109334314B true CN109334314B (en) | 2020-05-26 |
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CN2068465U (en) * | 1990-03-31 | 1991-01-02 | 王春杰 | Multipurpose colour water writing board |
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CN201800385U (en) * | 2010-09-08 | 2011-04-20 | 南昌航空大学 | Electric water-washing and self-drying dustproof blackboard |
CN102825951A (en) * | 2012-09-06 | 2012-12-19 | 雷朝 | Teaching blackboard |
CN103042864A (en) * | 2012-12-15 | 2013-04-17 | 新昌县冠阳技术开发有限公司 | Flexible blackboard device based on autorotation wiping |
CN203697771U (en) * | 2014-02-21 | 2014-07-09 | 朱泉之 | Dust-free blackboard |
CN108357261A (en) * | 2018-05-21 | 2018-08-03 | 佛山科学技术学院 | A kind of device of automatic blackboard cleaning |
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2018
- 2018-12-13 CN CN201811530187.0A patent/CN109334314B/en not_active Expired - Fee Related
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---|---|---|---|---|
CN2068465U (en) * | 1990-03-31 | 1991-01-02 | 王春杰 | Multipurpose colour water writing board |
CN2105405U (en) * | 1991-07-02 | 1992-05-27 | 张雷 | Rolling writing board |
JPH10109494A (en) * | 1996-10-08 | 1998-04-28 | Matsushita Electric Ind Co Ltd | Electronic blackboard apparatus |
CN2377099Y (en) * | 1999-05-17 | 2000-05-10 | 佘西鹏 | Electrically-operated circulation self-washing erasing blackboard |
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