CN112622490B - Anti-reflection device for education and teaching - Google Patents
Anti-reflection device for education and teaching Download PDFInfo
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- CN112622490B CN112622490B CN202011598001.2A CN202011598001A CN112622490B CN 112622490 B CN112622490 B CN 112622490B CN 202011598001 A CN202011598001 A CN 202011598001A CN 112622490 B CN112622490 B CN 112622490B
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- 230000007246 mechanism Effects 0.000 claims description 17
- 239000000428 dust Substances 0.000 claims description 16
- 230000006835 compression Effects 0.000 claims description 15
- 238000007906 compression Methods 0.000 claims description 15
- 238000003825 pressing Methods 0.000 claims description 3
- 230000036541 health Effects 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 239000003381 stabilizer Substances 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
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 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)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (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 on the side of the blackboard, sliding blocks are arranged on 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.
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 classroom of primary and secondary schools, teaching is generally carried out by using a blackboard and chalk, wherein the blackboard is positioned right in front of the classroom, a teacher writes teaching contents at the upper side, and students watch the teaching contents at the lower side. However, because the surface of the blackboard is smooth, students who attend class in a classroom often have such feelings, under the condition that the sunlight intensity is great, in bright light especially in summer, after dazzling sunlight with high intensity enters the classroom through oblique incidence of a window, reflection of light is often formed on the blackboard, the efficiency of the students in class is influenced, the students cannot normally learn, the visual fatigue of the students is aggravated for a long time, and the eyesight of the students is damaged.
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 surperficial 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, a solar panel is arranged on one side of the shell, a supporting mechanism is arranged at the lower end of the solar panel, a battery placing cabinet is arranged on the outer wall of one side of the shell, a storage battery pack is placed inside the battery placing cabinet and 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 can be adjusted to a proper angle to collect more solar energy and provide sufficient electric energy.
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 view of the structure of the light shielding plate of the present invention.
FIG. 5 is a schematic view of the supporting mechanism of the present invention.
Fig. 6 is a storage state diagram 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 stretching 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 storage cabinet; 17. fixing the clamping rod; 18. and (6) 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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to 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 17 to articulate in the recess 9.
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 support rod 116, the upper end of the support 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 rod 1157 is adjusted according to the size of the solar panel 12 so as to match the solar panel 12, after adjustment is completed, the extension rod 1157 and the fixing rod 1156 are fixed through the matching of the threaded shaft 1153 and the threaded hole 1154, fixing is simple and rapid, the compression spring 1158 is stressed and stretched through pulling the compression plate 1159 by hands, 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 fixing is completed, the rocking handle 119 is shaken again so that the threaded screw rod 118 rotates 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 as required, so that the solar panel 12 can better absorb solar energy, when cleaning is performed, the solar panel 12 can be retracted into the storage box 113, the rotating plate 114 is rotated to be horizontal through shaking handle 119 so as to enter the storage box 113, the cover plate 1110 is covered, dust is effectively prevented from falling onto the solar panel 12, and the efficiency of the solar panel 12 is affected.
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, the back of the blackboard 4 is provided with an output end of a second electric push rod 15, the end of the second electric push rod 15 is fixed on the inner wall of the casing 6, the upper end of the casing 6 is provided with a first electric push rod 5, the output end of the first electric push rod 5 penetrates the top of the casing 6 and is connected with a fixed block 13, the inner side surface of the fixed block 13 is provided with a eraser 14, in order to collect and treat dust conveniently, 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 casing 6; 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, when 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 fixation is simple, convenient and quick, so that the blackboard 4 reflects light and disappears, and the shading plate 7 is erected, so that the light of the blackboard 4 is insufficient and cannot be clearly seen, the brightness of the blackboard 4 is increased by the LED lamp 8, the invention can be used when the blackboard 4 cannot be clearly seen, and can also reinforce the light when the light source is insufficient at night, the solar energy is collected by the solar panel 12 and converted into electric energy to provide sufficient electric energy for the LED lamp 8, thereby achieving the purpose of saving energy, the solar panel 12 is fixed by the fixing mechanism 115, after the fixing is completed, the rocking handle 119 is shaken again 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 needs, so that the solar panel 12 can better absorb solar energy, the solar panel can be adjusted according to the angle of solar irradiation, more solar energy can be collected and sufficient electric energy can be provided, when a classroom is cleaned, the solar panel 12 can be collected into the storage box 113, the rotating plate 114 is rotated to be horizontal through shaking the rocking handle 119 and enters the storage box 113, and then the cover plate 1110 is covered, so that dust is effectively prevented from falling on the solar panel 12 and the efficiency of the solar panel 12 is influenced; 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 4 moves to the position below the first electric push rod 5 to stop moving, and 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 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 (3)
1. The utility model provides an education and teaching are with preventing reflecting device, includes casing (6), its characterized in that: a blackboard (4) is arranged in the shell (6), a frame (1) is arranged on the side of the blackboard (4), sliding blocks (3) are arranged on two sides and the upper end of the frame (1), a sliding track (2) corresponding to the sliding blocks (3) is arranged on the inner side wall of the shell (6), the sliding blocks (3) are connected with the sliding track (2) in a sliding mode, grooves (9) are arranged on two sides of the surface of the shell (6), a light screen (7) is hinged to the inner wall of each groove (9), an LED lamp (8) is arranged on the surface of the light screen (7), a clamping block (18) is arranged on the back of the light screen (7), a clamping groove is formed in the clamping block (18), and a fixing clamping rod (17) is hinged in each groove (9);
the blackboard eraser is characterized in that the back surface of the blackboard (4) is provided with an output end of a second electric push rod (15), the tail end of the second electric push rod (15) is fixed on the inner wall of the shell (6), the upper end of the shell (6) is provided with a first electric push rod (5), 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), and the inner side surface of the fixed block (13) is provided with an eraser (14);
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);
a solar panel (12) is arranged on one side of the shell (6), a supporting mechanism (11) is arranged at the lower end of the solar panel (12), a battery placing cabinet (16) is arranged on the outer wall of one side of the shell (6), a storage battery pack is placed in the battery placing cabinet (16), the storage battery pack is electrically connected with the solar panel (12), and the storage battery pack is electrically connected with the LED lamp (8);
the supporting mechanism (11) comprises a base (111) arranged on the ground, a supporting leg (112) is arranged at the upper end of the base (111), a storage box (113) is arranged at the upper end of the supporting leg (112), a cover plate (1110) is arranged at the upper end of the storage box (113), a threaded lead screw (118) is arranged inside the storage box (113), a rocking handle (119) is arranged at one end of the threaded lead screw (118), a sliding block (117) is arranged outside the middle part of the threaded lead screw (118), a supporting rod (116) is arranged at the upper end of the sliding block (117), a rotating plate (114) is arranged at the upper end of the supporting rod (116), and a fixing mechanism (115) is arranged at the upper end of the rotating plate (114);
the fixing mechanism (115) comprises a fixing plate (1155) arranged on the surface of the rotating plate (114), fixing rods (1156) are arranged on the side edges of the fixing plate (1155), an extension rod (1157) is arranged at one end of each fixing rod (1156), an inner cavity (1151) is arranged inside one end, far away from the fixing plate (1155), of each extension rod (1157), a stretching rod (1152) is arranged in the middle of each inner cavity (1151), a compression spring (1158) is arranged outside each stretching rod (1152), a pressing plate (1159) is arranged at one end of each stretching rod (1152), threaded holes (1154) are arranged inside each fixing rod (1156) and each extension rod (1157), and a threaded shaft (1153) is arranged inside each threaded hole (1154) superposed between each fixing rod (1156) and each extension rod (1157);
when the light shading plate is used, when strong sunlight obliquely enters a classroom and forms reflected light on the blackboard (4), the light shading plate (7) is erected and clamped into a clamping groove of a clamping block (18) to be fixed by rotating a fixing clamping rod (17), so that the blackboard (4) reflects light and disappears, after the light shading plate (7) is erected, the light of the blackboard (4) is insufficient, the brightness of the blackboard (4) is increased through the LED lamp (8), solar energy is collected through the solar panel (12) and converted into electric energy, and the electric energy is provided for the LED lamp (8); the solar panel (12) is placed on the fixing plate (1155), the extension rod (1157) is adjusted according to the size of the solar panel (12) so as to be matched with the solar panel (12), after adjustment is completed, the extension rod (1157) and the fixing rod (1156) are fixed through the matching of the threaded shaft (1153) and the threaded hole (1154), the compression plate (1159) is pulled by hands to enable the compression spring (1158) to be stressed and stretched, 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 rocked 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), and then the rocking handle (119) is fixed, so that the solar panel (12) can better absorb solar energy; when a classroom is cleaned, the rotating plate (114) is rotated to be horizontal by shaking the rocking handle (119), the solar panel (12) is retracted into the storage box (113), and then the cover plate (1110) is covered; 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 fixing block (13) and the eraser (14) to move, and therefore the first electric push rod (5) drives the eraser (14) to repeatedly erase the blackboard (4).
2. An anti-reflection device for education and teaching according to claim 1, characterized in that: the bottom of the sliding block (117) is provided with a sliding groove.
3. An anti-reflection device for education and teaching according to claim 1, 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 CN112622490A (en) | 2021-04-09 |
| CN112622490B true CN112622490B (en) | 2022-12-06 |
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Family Applications (1)
| 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 |
Country Status (1)
| Country | Link |
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| CN (1) | CN112622490B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114872479B (en) * | 2022-05-19 | 2023-05-09 | 深圳创硕光业科技有限公司 | Adjustable multifunctional blackboard lamp |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204915009U (en) * | 2015-09-12 | 2015-12-30 | 刘文刚 | Multi -functional removal blackboard |
| CN205997580U (en) * | 2016-07-14 | 2017-03-08 | 周世华 | A kind of reflection prevention blackboard |
| CN107584933A (en) * | 2017-10-12 | 2018-01-16 | 张延艳 | One kind combines plug-type dustless blackboard for education |
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