CN112622490A - Anti-reflection device for education and teaching - Google Patents
Anti-reflection device for education and teaching Download PDFInfo
- Publication number
- CN112622490A CN112622490A CN202011598001.2A CN202011598001A CN112622490A CN 112622490 A CN112622490 A CN 112622490A CN 202011598001 A CN202011598001 A CN 202011598001A CN 112622490 A CN112622490 A CN 112622490A
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- blackboard
- education
- casing
- reflection device
- solar panel
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- 239000000428 dust Substances 0.000 claims description 16
- 230000007246 mechanism Effects 0.000 claims description 16
- 230000006835 compression Effects 0.000 claims description 11
- 238000007906 compression Methods 0.000 claims description 11
- 239000003381 stabilizer Substances 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims 2
- 230000036541 health Effects 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 208000003464 asthenopia Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000004438 eyesight Effects 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L1/00—Repeatedly-usable boards or tablets for writing or drawing
- B43L1/004—Repeatedly-usable boards or tablets for writing or drawing with illuminating devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L1/00—Repeatedly-usable boards or tablets for writing or drawing
- B43L1/04—Blackboards
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L21/00—Blackboard or slate cleaning devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L21/00—Blackboard or slate cleaning devices
- B43L21/04—Wiper holders
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S9/00—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply
- F21S9/02—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator
- F21S9/03—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator rechargeable by exposure to light
- F21S9/032—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator rechargeable by exposure to light the solar unit being separate from the lighting unit
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S20/00—Supporting structures for PV modules
- H02S20/20—Supporting structures directly fixed to an immovable object
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- General Engineering & Computer Science (AREA)
- Drawing Aids And Blackboards (AREA)
Abstract
The invention discloses an anti-reflection device for education and teaching, which belongs to the technical field of anti-reflection devices for teaching and comprises a shell, wherein a blackboard is arranged in the shell, a frame is arranged at the side of the blackboard, sliding blocks are arranged at the two sides and the upper end of the frame, and sliding tracks corresponding to the sliding blocks are arranged on the inner side wall of the shell. And sufficient electric energy is provided for the LED lamp, so that the aim of saving energy is fulfilled.
Description
Technical Field
The invention belongs to the technical field of teaching reflection prevention devices, and particularly relates to a reflection prevention device for education and teaching.
Background
In the existing classrooms of primary and secondary schools, a blackboard and chalk are generally used for teaching, the blackboard is positioned right in front of the classrooms, a teacher writes teaching contents on the upper side, and students watch the teaching contents on the lower side. However, because the surface of blackboard is more smooth, the classmates who have class in the classroom often have such impression, under the great condition of sunlight intensity, light is bright especially in summer, the higher sunshine of dazzling intensity passes through the window and penetrates after getting into the classroom to one side, often can form the reflection of light on the blackboard, not only influences student efficiency of giving lessons, makes the student normally study, still can aggravate student's visual fatigue for a long time, causes the damage to student's eyesight.
Disclosure of Invention
The invention provides an anti-reflection device for education and teaching, which has the characteristics of reflection prevention, sufficient light and energy conservation.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an education and teaching is with preventing reflecting device, includes the casing, the inside of casing is provided with the blackboard, the avris of blackboard is provided with the frame, the both sides and the upper end of frame all are provided with the slider, be provided with the track that slides that corresponds with the slider on the inside wall of casing, slider and slide track sliding connection, the surface both sides of casing all are provided with the recess, the recess inner wall articulates there is the light screen, the surface of light screen is provided with the LED lamp, the back of light screen is provided with the fixture block, be provided with the draw-in groove on the fixture block, it has the fixing clip pole to articulate in the recess.
Preferably, one side of the shell is provided with a solar panel, the lower end of the solar panel is provided with a supporting mechanism, the outer wall of one side of the shell is provided with a battery placing cabinet, a storage battery pack is placed inside the battery placing cabinet, the storage battery pack is electrically connected with the solar panel, and the storage battery pack is electrically connected with the LED lamp.
Preferably, the supporting mechanism is including setting up subaerial base, the upper end of base is provided with the stabilizer blade, the upper end of stabilizer blade is provided with the receiver, the upper end of receiver is provided with the apron, the inside of receiver is provided with the screw lead screw, the one end of screw lead screw is provided with the rocking handle, the outside at screw lead screw middle part is provided with the sliding block, the upper end of sliding block is provided with the bracing piece, the upper end of bracing piece is provided with the rotor plate, the upper end of rotor plate is provided with fixed establishment.
Preferably, fixed establishment is including setting up the fixed plate in the rotor plate surface, the side of fixed plate all is provided with the dead lever, the one end of dead lever is provided with the extension rod, the inside inner chamber that is provided with of one end that the fixed plate was kept away from to the extension rod, the centre of inner chamber is provided with tensile pole, the outside of tensile pole is provided with compression spring, the one end of tensile pole is provided with the pressure strip, the dead lever all is provided with the screw hole with the inside of extension rod, the threaded hole inside of coincidence between dead lever and the extension rod is provided with the threaded spindle.
Preferably, the sliding groove is arranged at the bottom of the sliding block.
Preferably, the back of the blackboard is provided with a second electric push rod output end, the end of the second electric push rod is fixed on the inner wall of the shell, the upper end of the shell is provided with a first electric push rod, the output end of the first electric push rod penetrates through the top of the shell and is connected with a fixed block, and the inner side face of the fixed block is provided with an eraser.
Preferably, a dust collecting plate is arranged below the blackboard and is in a drawing type, and the dust collecting plate is arranged at the bottom end inside the shell.
Preferably, the first electric push rod and the second electric push rod are both electrically connected with the storage battery pack.
Compared with the prior art, the invention has the beneficial effects that:
1. the light shielding plate is arranged to block light, when sunlight is strong, the light shielding plate is erected and clamped into the clamping groove of the clamping block to be fixed through rotating the fixing clamping rod, fixing is simple, convenient and fast, so that the blackboard can reflect light and disappear, after the light shielding plate is erected, light of the blackboard is insufficient, the situation of unclear seeing exists, the brightness of the blackboard is increased through the LED lamp, the blackboard can be used when the blackboard is unclear seeing, the light can be reinforced when a light source at night is insufficient, the solar panel collects solar energy and converts the solar energy into electric energy, and the electric energy is provided for the LED lamp sufficiently, so that the purpose of saving energy is achieved.
2. The solar panel fixing device can fix solar panels of different models through the arranged fixing mechanism, is quick in fixing and convenient to install and disassemble, the solar panel is placed on the fixing plate, the extension rod is adjusted according to the size of the solar panel so as to be matched with the solar panel, the extension rod and the fixing rod are fixed through the matching of the threaded shaft and the threaded hole, the pressing plate is pulled by hand so as to enable the compression spring to be stressed and stretched, the pressing plate is released, the elastic force of the compression spring is enabled to fix the side edge of the solar panel, meanwhile, the solar panel can be collected through the arranged storage box when a classroom is cleaned, dust is effectively prevented from falling on the solar panel, the efficiency of the solar panel is prevented from being influenced, and the rotating plate.
3. When the blackboard needs to be cleaned, the second electric push rod drives the blackboard to move towards the inner side of the shell and moves to the position below the first electric push rod to stop moving, and the first electric push rod drives the fixed block and the eraser to move, so that the first electric push rod drives the eraser to repeatedly erase the blackboard, and the blackboard eraser has high efficiency through automatic erasing, does not need to be erased by students or teachers, and avoids dust from influencing the health of bodies.
Drawings
Fig. 1 is a schematic structural view of an anti-reflection device for education and teaching according to the present invention.
Fig. 2 is a cross-sectional view of the housing of the present invention.
Fig. 3 is a side view of the housing of the present invention.
FIG. 4 is a schematic structural diagram of a light shielding plate according to the present invention.
Fig. 5 is a schematic structural diagram of the supporting mechanism of the present invention.
Fig. 6 is a view showing a storage state of the support mechanism of the present invention.
Fig. 7 is a schematic structural view of the fixing mechanism of the present invention.
In the figure: 1. a frame; 2. a sliding track; 3. a slider; 4. a blackboard; 5. a first electric push rod; 6. a housing; 7. a visor; 8. an LED lamp; 9. a groove; 10. a dust collecting plate; 11. a support mechanism; 111. a base; 112. a support leg; 113. a storage box; 114. a rotating plate; 115. a fixing mechanism; 1151. an inner cavity; 1152. a stretch rod; 1153. a threaded shaft; 1154. a threaded hole; 1155. a fixing plate; 1156. fixing the rod; 1157. an extension rod; 1158. a compression spring; 1159. a compression plate; 116. a support bar; 117. a slider; 118. a threaded lead screw; 119. a rocking handle; 1110. a cover plate; 12. a solar panel; 13. a fixed block; 14. erasing the blackboard; 15. a second electric push rod; 16. a battery holding cabinet; 17. fixing the clamping rod; 18. and (7) clamping blocks.
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.
Referring to fig. 1-7, the present invention provides the following technical solutions:
example 1
The utility model provides an education and teaching is with preventing device of reflecting, which comprises a housin 6, the inside of casing 6 is provided with blackboard 4, the avris of blackboard 4 is provided with frame 1, the both sides and the upper end of frame 1 all are provided with slider 3, be provided with the track 2 that slides that corresponds with slider 3 on the inside wall of casing 6, slider 3 and slide track 2 sliding connection, the surperficial both sides of casing 6 all are provided with recess 9, the recess 9 inner wall articulates there is light screen 7, the surface of light screen 7 is provided with LED lamp 8, the back of light screen 7 is provided with fixture block 18, be provided with the draw-in groove on the fixture block 18, it has fixed card pole.
Specifically, during the use, after strong sunlight shines the entering classroom to one side, form the light reflection on blackboard 4, erect light screen 7, it is fixed to form in the draw-in groove of fixture block 18 is gone into through rotating fixing clip pole 17 card, it is fixed simple convenient and fast, thereby make blackboard 4 reflection of light disappear, and light screen 7 erects the back, make blackboard 4's light not enough, there is the condition of seeing clearly, increase blackboard 4 luminance through LED lamp 8, can see clearly use when blackboard 4, also can be when the light source is not enough at night, reinforce the light.
Example 2
As an optional situation, please refer to fig. 1 and 3-4, an anti-reflection device for education and teaching is provided, wherein a solar panel 12 is disposed on one side of a housing 6, a support mechanism 11 is disposed at a lower end of the solar panel 12, a battery placing cabinet 16 is disposed on an outer wall of one side of the housing 6, a battery pack is disposed inside the battery placing cabinet 16, the battery pack is electrically connected with the solar panel 12, and the battery pack is electrically connected with an LED lamp 8.
Specifically, the solar panel 12 collects solar energy, converts the solar energy into electric energy, and provides sufficient electric energy for the LED lamp 8, thereby achieving the purpose of saving energy.
The scheme in this embodiment can be selectively combined with the scheme in other embodiments.
Example 3
As an optional situation, please refer to fig. 1 and 5-7, an anti-reflection device for education and teaching, a supporting mechanism 11 includes a base 111 disposed on the ground, a supporting leg 112 is disposed at the upper end of the base 111, a receiving box 113 is disposed at the upper end of the supporting leg 112, a cover plate 1110 is disposed at the upper end of the receiving box 113, a threaded screw rod 118 is disposed inside the receiving box 113, a rocking handle 119 is disposed at one end of the threaded screw rod 118, a sliding block 117 is disposed outside the middle part of the threaded screw rod 118, and a sliding groove is disposed at the bottom of the sliding block 117 for the sliding block 117 to slide smoothly; the upper end of the sliding block 117 is provided with a supporting rod 116, the upper end of the supporting rod 116 is provided with a rotating plate 114, and the upper end of the rotating plate 114 is provided with a fixing mechanism 115.
Specifically, the solar panel 12 is placed on the fixing plate 1155, the extension bar 1157 is adjusted according to the size of the solar panel 12 so as to match with the solar panel 12, after the adjustment is completed, the extension bar 1157 and the fixing rod 1156 are fixed through the matching of the threaded shaft 1153 and the threaded hole 1154, the fixing is simple and rapid, the compression plate 1159 is pulled by hand to stretch the compression spring 1158 under stress, the compression plate 1159 is released, the elastic force of the compression spring 1158 is enabled to fix the side edge of the solar panel 12, after the fixing is completed, the rocking handle 119 is shaken to enable the threaded screw rod 118 to rotate so as to enable the sliding block 117 to move forwards, the rotating plate 114 is supported through the supporting rod 116, the rotating plate 114 is adjusted to a proper angle and then the rocking handle 119 is fixed according to requirements, so that the solar panel 12 can better absorb solar energy, when the solar panel 12 is cleaned, the solar panel 12 can be retracted into the classroom storage box, get into receiver 113, cover apron 1110 again, effectively prevent that the dust from dropping on solar panel 12, influencing solar panel 12's efficiency.
The scheme in this embodiment can be selectively combined with the scheme in other embodiments.
Example 4
As an optional situation, please refer to fig. 1-2, an anti-reflection device for education and teaching, an output end of a second electric push rod 15 is arranged on the back of a blackboard 4, the end of the second electric push rod 15 is fixed on the inner wall of a shell 6, a first electric push rod 5 is arranged at the upper end of the shell 6, the output end of the first electric push rod 5 penetrates through the top of the shell 6 and is connected with a fixed block 13, an eraser 14 is arranged on the inner side surface of the fixed block 13, in order to collect and treat dust, a dust collecting plate 10 is arranged below the blackboard 4, the dust collecting plate 10 is arranged in a pull type, and the dust collecting plate 10 is arranged at the bottom end inside the; in order to save energy, the first electric push rod 5 and the second electric push rod 15 are both electrically connected with the storage battery pack.
Specifically, when the blackboard 4 needs to be cleaned, the second electric push rod 15 drives the blackboard 4 to move towards the inner side of the shell 6, the blackboard moves to the position below the first electric push rod 5 to stop moving, the first electric push rod 5 drives the fixed block 13 and the eraser 14 to move, so that the first electric push rod 5 drives the eraser 14 to repeatedly erase the blackboard 4, and the blackboard eraser is automatic in erasing, high in efficiency, free of the need of erasing by students or teachers, and prevented from influencing the health of bodies due to dust.
The scheme in this embodiment can be selectively combined with the scheme in other embodiments.
The working principle and the using process of the invention are as follows: when the invention is used, after strong sunlight obliquely enters a classroom and forms reflected light on the blackboard 4, the shading plate 7 is erected and is clamped into the clamping groove of the clamping block 18 to be fixed by rotating the fixing clamping rod 17, the fixing is simple, convenient and quick, so that the blackboard 4 reflects light and disappears, after the shading plate 7 is erected, the light of the blackboard 4 is insufficient, the situation of unclear visibility exists, the brightness of the blackboard 4 is increased by the LED lamp 8, the blackboard 4 can be used when the blackboard 4 is unclear, the light can be reinforced when the light source is insufficient at night, solar energy is collected by the solar panel 12 and converted into electric energy, the electric energy is provided for the LED lamp 8, the purpose of saving energy is achieved, the solar panel 12 is fixed by the fixing mechanism 115, after the fixing is finished, the rocking handle 119 is rocked to enable the threaded screw rod 118 to rotate so that the sliding block 117 moves forwards, the rotating plate 114 is supported by the supporting, according to the requirement, the rotating plate 114 is adjusted to a proper angle, then the rocking handle 119 is fixed, so that the solar panel 12 can better absorb solar energy, the angle of solar irradiation can be adjusted, more solar energy can be collected, sufficient electric energy can be provided, when a classroom is cleaned, the solar panel 12 can be taken back into the storage box 113, the rotating plate 114 can be rotated to the horizontal by rocking the rocking handle 119 to enter the storage box 113, then the cover plate 1110 is covered, and dust is effectively prevented from falling on the solar panel 12 to influence the efficiency of the solar panel 12; when the blackboard 4 needs to be cleaned, the second electric push rod 15 drives the blackboard 4 to move towards the inner side of the shell 6, the blackboard moves to the position below the first electric push rod 5 to stop moving, the first electric push rod 5 drives the fixed block 13 and the eraser 14 to move, so that the first electric push rod 5 drives the eraser 14 to repeatedly erase the blackboard 4, a student or a teacher is not required to erase the blackboard, and the influence of dust on the health of a body is avoided.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides an education and teaching are with preventing reflecting device, includes casing (6), its characterized in that: the inside of casing (6) is provided with blackboard (4), the avris of blackboard (4) is provided with frame (1), the both sides and the upper end of frame (1) all are provided with slider (3), be provided with the track (2) that slides that correspond with slider (3) on the inside wall of casing (6), slider (3) and slide track (2) sliding connection, the surface both sides of casing (6) all are provided with recess (9), recess (9) inner wall articulates there is light screen (7), the surface of light screen (7) is provided with LED lamp (8), the back of light screen (7) is provided with fixture block (18), be provided with the draw-in groove on fixture block (18), recess (9) internal articulation has fixing clamping bar (17).
2. An anti-reflection device for education and teaching according to claim 1, characterized in that: one side of casing (6) is provided with solar panel (12), the lower extreme of solar panel (12) is provided with supporting mechanism (11), be provided with battery on one side outer wall of casing (6) and place cabinet (16), storage battery has been put to the inside of battery placing cabinet (16), storage battery and solar panel (12) electricity are connected, storage battery and LED lamp (8) electricity are connected.
3. An anti-reflection device for education and teaching according to claim 2, characterized in that: supporting mechanism (11) is including setting up subaerial base (111), the upper end of base (111) is provided with stabilizer blade (112), the upper end of stabilizer blade (112) is provided with receiver (113), the upper end of receiver (113) is provided with apron (1110), the inside of receiver (113) is provided with screw lead screw (118), the one end of screw lead screw (118) is provided with rocking handle (119), the outside of screw lead screw (118) middle part is provided with sliding block (117), the upper end of sliding block (117) is provided with bracing piece (116), the upper end of bracing piece (116) is provided with rotor plate (114), the upper end of rotor plate (114) is provided with fixed establishment (115).
4. An anti-reflection device for education and teaching according to claim 3, characterized in that: fixing mechanism (115) is including setting up fixed plate (1155) on rotor plate (114) surface, the side of fixed plate (1155) all is provided with dead lever (1156), the one end of dead lever (1156) is provided with elongation rod (1157), elongation rod (1157) is kept away from the inside inner chamber (1151) that is provided with of one end of fixed plate (1155), the centre of inner chamber (1151) is provided with tensile pole (1152), the outside of tensile pole (1152) is provided with compression spring (1158), the one end of tensile pole (1152) is provided with pressure strip (1159), the inside of dead lever (1156) and elongation rod (1157) all is provided with screw hole (1154), the inside screw hole (1154) of coincidence between dead lever (1156) and elongation rod (1157) is provided with threaded shaft (1153).
5. An anti-reflection device for education and teaching according to claim 3, characterized in that: the bottom of the sliding block (117) is provided with a sliding groove.
6. An anti-reflection device for education and teaching according to claim 2, characterized in that: the back of blackboard (4) is provided with second electric putter (15) output, the end of second electric putter (15) is fixed on the inner wall of casing (6), the upper end of casing (6) is provided with first electric putter (5), the output of first electric putter (5) runs through casing (6) top, and is connected with fixed block (13), the medial surface of fixed block (13) is provided with board eraser (14).
7. An anti-reflection device for education and teaching according to claim 6, characterized in that: the blackboard is characterized in that a dust collecting plate (10) is arranged below the blackboard (4), the dust collecting plate (10) is arranged in a drawing mode, and the dust collecting plate (10) is arranged at the bottom end inside the shell (6).
8. An anti-reflection device for education and teaching according to claim 6, characterized in that: the first electric push rod (5) and the second electric push rod (15) are electrically connected with the storage battery pack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011598001.2A CN112622490B (en) | 2020-12-29 | 2020-12-29 | Anti-reflection device for education and teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011598001.2A CN112622490B (en) | 2020-12-29 | 2020-12-29 | Anti-reflection device for education and teaching |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112622490A true CN112622490A (en) | 2021-04-09 |
| CN112622490B CN112622490B (en) | 2022-12-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011598001.2A Active CN112622490B (en) | 2020-12-29 | 2020-12-29 | Anti-reflection device for education and teaching |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114872479A (en) * | 2022-05-19 | 2022-08-09 | 深圳创硕光业科技有限公司 | Adjustable multifunctional blackboard lamp |
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