CN219655926U - Energy-saving blackboard lamp capable of uniformly illuminating - Google Patents
Energy-saving blackboard lamp capable of uniformly illuminating Download PDFInfo
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- CN219655926U CN219655926U CN202321062527.8U CN202321062527U CN219655926U CN 219655926 U CN219655926 U CN 219655926U CN 202321062527 U CN202321062527 U CN 202321062527U CN 219655926 U CN219655926 U CN 219655926U
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- 238000005286 illumination Methods 0.000 claims abstract description 45
- 238000009434 installation Methods 0.000 claims description 6
- 230000017525 heat dissipation Effects 0.000 claims description 4
- 230000005855 radiation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
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Abstract
The utility model relates to the field of lamps, in particular to an energy-saving blackboard lamp capable of uniformly illuminating. It comprises a lampshade; the lamp shade is internally provided with a lighting piece, the side part is provided with a lighting port, the top is provided with a connecting piece, and the upper part is provided with a mounting rack; the lighting port is provided with a reflecting plate, and one side of the lighting port is provided with a driving piece; the two groups of reflecting plates are rotationally connected with the lampshade. The lighting piece comprises a mounting seat; the mounting seats are arranged on two sides of the interior of the lampshade; an energy-saving lamp tube and a reflecting shade are arranged between the two groups of mounting seats; the reflector is sleeved outside the energy-saving lamp tube, and the front side of the reflector is provided with a light outlet opposite to the illumination port. The connecting piece is connected with the mounting frame through a connecting wire. An angle adjusting piece is arranged between the connecting lines at the two sides; the angle adjusting piece is connected with the mounting frame and the lampshade. The utility model meets the diversified blackboard illumination requirements by adjusting the illumination area and the illumination angle. And simultaneously, light at the periphery of the illumination port and inside the lampshade is reflected, so that the light is more concentrated and uniform.
Description
Technical Field
The utility model relates to the field of lamps, in particular to an energy-saving blackboard lamp capable of uniformly illuminating.
Background
The lamp special for blackboard illumination in the classroom is called a blackboard lamp, is different from the lamp on a seat in the classroom, and is used for creating a more comfortable and green classroom illumination environment for students, avoiding the phenomenon of reflection of light after the blackboard is illuminated by classroom light, and the blackboard lamp is arranged above the blackboard, so that the illumination environment of the classroom is improved through the illumination of the blackboard lamp.
The Chinese patent with the bulletin number of CN218209261U discloses an energy-saving blackboard lamp capable of uniformly illuminating, and relates to the technical field of illuminating lamps.
The energy-saving blackboard lamp capable of uniformly illuminating mainly recovers light at the bottom of the lamp by adjusting the position of the projection plate. Therefore, the light above the lamp is omitted, which is unfavorable for the uniform distribution of the light and the energy saving. In addition, the existing energy-saving blackboard lamp has the problem that the illumination area and the illumination angle cannot be adjusted, so that the illumination limitation is large.
Disclosure of Invention
Aiming at the problems in the background technology, an energy-saving blackboard lamp capable of uniformly illuminating is provided. The utility model meets the diversified blackboard illumination requirements by adjusting the illumination area and the illumination angle. And simultaneously, light at the periphery of the illumination port and inside the lampshade is reflected, so that the light is more concentrated and uniform.
The utility model provides an energy-saving blackboard lamp capable of uniformly illuminating, which comprises a lampshade, wherein the lampshade is provided with a lamp base; the lamp shade is internally provided with a lighting piece, the side part is provided with a lighting port, the two ends of the top are respectively provided with a connecting piece, and the upper part is provided with a mounting rack; the upper and lower sides of the illumination port are respectively provided with a reflector, and one side of the illumination port is provided with a driving piece; the two groups of reflecting plates are rotationally connected with the lampshade and are driven by the driving piece to realize reverse rotation. The lighting piece comprises a mounting seat; the mounting seats are arranged on two sides of the interior of the lampshade; an energy-saving lamp tube and a reflecting shade are arranged between the two groups of mounting seats; the reflector is sleeved outside the energy-saving lamp tube, and the front side of the reflector is provided with a light outlet opposite to the illumination port. The connecting piece is connected with the mounting frame through a connecting wire. An angle adjusting piece is arranged between the connecting lines at the two sides; the angle adjusting piece is connected with the mounting frame and the lampshade.
Preferably, mounting shafts are arranged on two sides of the reflecting plate; the upper end and the lower end of the lighting opening of the lampshade are provided with mounting grooves; the mounting shaft is rotatably connected with the groove wall of the mounting groove.
Preferably, the driving piece comprises a first motor, a driving shaft, an upper shaft, a first driving belt, a second driving belt, a lower shaft, a steering shaft, a first gear and a second gear; the side wall of the lampshade is provided with an installation box; a driving shaft is arranged in the middle of the mounting box, a rotatable upper shaft is arranged at the upper end of the mounting box, and a rotatable steering shaft and a rotatable lower shaft are arranged at the lower end of the mounting box; the first motor is arranged on the mounting box, and the main shaft is connected with the driving shaft; the upper shaft is connected with the upper mounting shaft and is sleeved with a driving shaft through a driving belt; the steering shaft is arranged between the driving shaft and the lower shaft, one end of the steering shaft is connected with the first gear in a bonding way, and the other end of the steering shaft is sleeved with the driving shaft through the second driving belt; the lower shaft is connected with the lower mounting shaft and is connected with the second gear in a bonding way; the first gear is meshed with the second gear.
Preferably, the connector comprises a base; the base is arranged on the lampshade, and the connecting cylinder is arranged on the base; the upper end of the connecting cylinder is provided with a rotatable ball; the bottom of the connecting wire is connected with the ball.
Preferably, the angle adjusting piece comprises a mounting plate, a second motor, a rotating shaft, a chain wheel and a chain; the two groups of mounting plates are provided with two groups of mounting plates, and a rotating shaft is arranged between the two groups of mounting plates; the rotating shaft is driven by a motor II to realize rotation; the chain wheel is sleeved outside the rotating shaft, and limiting rings are arranged on two sides of the chain wheel; the chain passes between the two groups of mounting plates, engages with the chain wheel, and the two ends face downwards to be respectively connected with the lampshade.
Preferably, the reflector is provided with an arcuate reflective inner wall.
Preferably, the back of the reflecting shade is provided with a heat conducting frame.
Preferably, the back of the lampshade is provided with heat dissipation openings which are in one-to-one correspondence with the heat conduction frames and are used for the heat conduction frames to penetrate through.
Compared with the prior art, the utility model has the following beneficial technical effects:
1. according to the utility model, the size of the illuminated area is adjusted by opening and closing the two groups of reflecting plates, so that the diversified illumination requirements of the blackboard are met. Meanwhile, scattered light on the periphery of the illumination port is reflected, and the reflector reflects light inside the lampshade, so that light rays are more concentrated and uniform. The angle of the lampshade is adjusted through the matching of the angle adjusting piece and the connecting piece, and the lampshade is stable. The adjustment of the illumination angle is realized, and the flexibility of blackboard illumination is improved.
2. The utility model is provided with a reflecting cover. On the one hand, the light is reflected by the reflecting inner wall, so that the light is more concentrated and uniform, and the aim of saving energy is fulfilled. On the other hand, the heat conduction frame transmits heat energy in the lamp shade, diverges through the heat radiation opening, and reduces the temperature fast, so that the working performance of the energy-saving blackboard lamp is ensured.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present utility model;
FIG. 2 is a schematic view illustrating the removal of a lighting element according to an embodiment of the present utility model;
FIG. 3 is a cross-sectional view of a mounting box in one embodiment of the utility model;
FIG. 4 is a schematic view of a connecting member according to an embodiment of the present utility model;
FIG. 5 is a schematic view of an angle adjusting member according to an embodiment of the present utility model;
fig. 6 is an enlarged view at a in fig. 2.
Reference numerals: 1. a lamp shade; 2. a lighting member; 3. a light reflecting plate; 4. a driving member; 5. a connecting piece; 6. a connecting wire; 7. a mounting frame; 8. an angle adjusting member; 9. an energy-saving lamp tube; 10. a mounting base; 11. a reflector; 12. a mounting box; 13. an upper shaft; 14. a first motor; 15. a drive shaft; 16. a first transmission belt; 17. a second motor; 18. a chain; 19. a rotating shaft; 20. a sprocket; 21. a limiting ring; 22. a base; 23. a connecting cylinder; 24. a ball; 25. a heat radiation port; 26. a heat conduction frame; 27. a mounting plate; 28. a first gear; 29. a lower shaft; 30. and a second gear.
Detailed Description
Example 1
As shown in fig. 1-2, the energy-saving blackboard lamp capable of uniformly illuminating provided by the utility model comprises a lampshade 1; the lamp shade 1 is internally provided with a lighting piece 2, the side part is provided with a lighting port, the two ends of the top are respectively provided with a connecting piece 5, and the upper part is provided with a mounting frame 7; the upper and lower sides of the illumination port are respectively provided with a reflector 3, and one side of the illumination port is provided with a driving piece 4; the two groups of reflecting plates 3 are rotationally connected with the lampshade 1 and are driven by the driving piece 4 to realize reverse rotation. The lighting element 2 comprises a mounting seat 10; the mounting seats 10 are arranged on two sides of the interior of the lampshade 1; an energy-saving lamp tube 9 and a reflecting shade 11 are arranged between the two groups of mounting seats 10; the reflecting shade 11 is sleeved outside the energy-saving lamp tube 9, and the front side is provided with a light outlet opposite to the illumination port. The connecting piece 5 and the mounting frame 7 are connected by a connecting wire 6. An angle adjusting piece 8 is arranged between the connecting wires 6 at the two sides; the angle adjusting member 8 connects the mounting bracket 7 and the lamp housing 1.
It should be further noted that the two sides of the reflecting plate 3 are provided with mounting shafts; the upper end and the lower end of the lighting port of the lampshade 1 are provided with mounting grooves; the mounting shaft is rotatably connected with the groove wall of the mounting groove.
As shown in fig. 3, the driving member 4 includes a motor one 14, a driving shaft 15, an upper shaft 13, a belt one 16, a belt two, a lower shaft 29, a steering shaft, a gear one 28, and a gear two 30; the side wall of the lampshade 1 is provided with an installation box 12; a driving shaft 15 is arranged in the middle of the mounting box 12, a rotatable upper shaft 13 is arranged at the upper end, and a rotatable steering shaft and a rotatable lower shaft 29 are arranged at the lower end; the first motor 14 is arranged on the mounting box 12, and the main shaft is connected with the driving shaft 15; the upper shaft 13 is connected with an upper mounting shaft and sleeved with a driving shaft 15 through a first driving belt 16; the steering shaft is arranged between the driving shaft 15 and the lower shaft 29, one end of the steering shaft is connected with the first gear 28 in a bonding way, and the other end of the steering shaft is sleeved with the driving shaft 15 through the second driving belt; the lower shaft 29 is connected with the lower mounting shaft and is connected with the second gear 30 in a bonding way; gear one 28 and gear two 30 mesh.
The working principle of this embodiment is as follows: when the blackboard illumination is performed, the driving member 4 is started according to the position of the blackboard writing. The motor I14 drives the driving shaft 15 to rotate, the driving belt I16 and the driving belt II drive, and the gear I28 and the gear II 30 are meshed, so that the upper and lower reflecting plates 3 reversely rotate. The illumination area is adjusted by opening and closing the two groups of reflecting plates 3, so that the illumination requirements of various blackboards are met. Meanwhile, scattered light on the periphery of the illumination port is reflected, and the reflecting cover 11 reflects light inside the lampshade 1, so that light rays are more concentrated and uniform. Then, the angle of the lampshade 1 is adjusted through the angle adjusting piece 8, so that the illumination angle is adjusted, and the flexibility of blackboard illumination is improved.
Example two
As shown in fig. 1-2, the energy-saving blackboard lamp capable of uniformly illuminating provided by the utility model comprises a lampshade 1; the lamp shade 1 is internally provided with a lighting piece 2, the side part is provided with a lighting port, the two ends of the top are respectively provided with a connecting piece 5, and the upper part is provided with a mounting frame 7; the upper and lower sides of the illumination port are respectively provided with a reflector 3, and one side of the illumination port is provided with a driving piece 4; the two groups of reflecting plates 3 are rotationally connected with the lampshade 1 and are driven by the driving piece 4 to realize reverse rotation. The lighting element 2 comprises a mounting seat 10; the mounting seats 10 are arranged on two sides of the interior of the lampshade 1; an energy-saving lamp tube 9 and a reflecting shade 11 are arranged between the two groups of mounting seats 10; the reflecting shade 11 is sleeved outside the energy-saving lamp tube 9, and the front side is provided with a light outlet opposite to the illumination port. The connecting piece 5 and the mounting frame 7 are connected by a connecting wire 6. An angle adjusting piece 8 is arranged between the connecting wires 6 at the two sides; the angle adjusting member 8 connects the mounting bracket 7 and the lamp housing 1.
It should be further noted that the two sides of the reflecting plate 3 are provided with mounting shafts; the upper end and the lower end of the lighting port of the lampshade 1 are provided with mounting grooves; the mounting shaft is rotatably connected with the groove wall of the mounting groove.
As shown in fig. 3, the driving member 4 includes a motor one 14, a driving shaft 15, an upper shaft 13, a belt one 16, a belt two, a lower shaft 29, a steering shaft, a gear one 28, and a gear two 30; the side wall of the lampshade 1 is provided with an installation box 12; a driving shaft 15 is arranged in the middle of the mounting box 12, a rotatable upper shaft 13 is arranged at the upper end, and a rotatable steering shaft and a rotatable lower shaft 29 are arranged at the lower end; the first motor 14 is arranged on the mounting box 12, and the main shaft is connected with the driving shaft 15; the upper shaft 13 is connected with an upper mounting shaft and sleeved with a driving shaft 15 through a first driving belt 16; the steering shaft is arranged between the driving shaft 15 and the lower shaft 29, one end of the steering shaft is connected with the first gear 28 in a bonding way, and the other end of the steering shaft is sleeved with the driving shaft 15 through the second driving belt; the lower shaft 29 is connected with the lower mounting shaft and is connected with the second gear 30 in a bonding way; gear one 28 and gear two 30 mesh.
As shown in fig. 4, the connector 5 includes a base 22; the base 22 is arranged on the lampshade 1, and the connecting cylinder 23 is arranged on the base 22; the upper end of the connecting cylinder 23 is provided with a rotatable ball 24; the bottom of the connecting wire 6 is connected with a ball 24.
As shown in fig. 5, the angle adjusting member 8 includes a mounting plate 27, a second motor 17, a rotating shaft 19, a sprocket 20, and a chain 18; two groups of mounting plates 27 are arranged, and a rotating shaft 19 is arranged between the two groups of mounting plates 27; the rotating shaft 19 is driven by the second motor 17 to realize rotation; the chain wheel 20 is sleeved outside the rotating shaft 19, and limiting rings 21 are arranged on two sides of the chain wheel; the chain 18 passes through the space between the two groups of mounting plates 27 and is meshed with the chain wheel 20, and the two ends of the chain are downwards connected with the lampshade 1 respectively.
In the embodiment, the specific structures of the connecting piece 5 and the angle adjusting piece 8 are arranged, and the rotating shaft 19 is driven to rotate through the motor II 17 during operation. Sprocket 20 rotates in synchronization to move chain 18 engaged therewith. The lamp housing 1 rotates. While the balls 24 rotate on the connecting cylinder 23. So that the lamp housing 1 is stably maintained at a certain angle. The photo angle is adjusted.
Example III
As shown in fig. 1-2, the energy-saving blackboard lamp capable of uniformly illuminating provided by the utility model comprises a lampshade 1; the lamp shade 1 is internally provided with a lighting piece 2, the side part is provided with a lighting port, the two ends of the top are respectively provided with a connecting piece 5, and the upper part is provided with a mounting frame 7; the upper and lower sides of the illumination port are respectively provided with a reflector 3, and one side of the illumination port is provided with a driving piece 4; the two groups of reflecting plates 3 are rotationally connected with the lampshade 1 and are driven by the driving piece 4 to realize reverse rotation. The lighting element 2 comprises a mounting seat 10; the mounting seats 10 are arranged on two sides of the interior of the lampshade 1; an energy-saving lamp tube 9 and a reflecting shade 11 are arranged between the two groups of mounting seats 10; the reflecting shade 11 is sleeved outside the energy-saving lamp tube 9, and the front side is provided with a light outlet opposite to the illumination port. The connecting piece 5 and the mounting frame 7 are connected by a connecting wire 6. An angle adjusting piece 8 is arranged between the connecting wires 6 at the two sides; the angle adjusting member 8 connects the mounting bracket 7 and the lamp housing 1.
It should be further noted that the two sides of the reflecting plate 3 are provided with mounting shafts; the upper end and the lower end of the lighting port of the lampshade 1 are provided with mounting grooves; the mounting shaft is rotatably connected with the groove wall of the mounting groove.
As shown in fig. 3, the driving member 4 includes a motor one 14, a driving shaft 15, an upper shaft 13, a belt one 16, a belt two, a lower shaft 29, a steering shaft, a gear one 28, and a gear two 30; the side wall of the lampshade 1 is provided with an installation box 12; a driving shaft 15 is arranged in the middle of the mounting box 12, a rotatable upper shaft 13 is arranged at the upper end, and a rotatable steering shaft and a rotatable lower shaft 29 are arranged at the lower end; the first motor 14 is arranged on the mounting box 12, and the main shaft is connected with the driving shaft 15; the upper shaft 13 is connected with an upper mounting shaft and sleeved with a driving shaft 15 through a first driving belt 16; the steering shaft is arranged between the driving shaft 15 and the lower shaft 29, one end of the steering shaft is connected with the first gear 28 in a bonding way, and the other end of the steering shaft is sleeved with the driving shaft 15 through the second driving belt; the lower shaft 29 is connected with the lower mounting shaft and is connected with the second gear 30 in a bonding way; gear one 28 and gear two 30 mesh.
As shown in fig. 4, the connector 5 includes a base 22; the base 22 is arranged on the lampshade 1, and the connecting cylinder 23 is arranged on the base 22; the upper end of the connecting cylinder 23 is provided with a rotatable ball 24; the bottom of the connecting wire 6 is connected with a ball 24.
As shown in fig. 5, the angle adjusting member 8 includes a mounting plate 27, a second motor 17, a rotating shaft 19, a sprocket 20, and a chain 18; two groups of mounting plates 27 are arranged, and a rotating shaft 19 is arranged between the two groups of mounting plates 27; the rotating shaft 19 is driven by the second motor 17 to realize rotation; the chain wheel 20 is sleeved outside the rotating shaft 19, and limiting rings 21 are arranged on two sides of the chain wheel; the chain 18 passes through the space between the two groups of mounting plates 27 and is meshed with the chain wheel 20, and the two ends of the chain are downwards connected with the lampshade 1 respectively.
As shown in fig. 6, the reflecting shade 11 is provided with an arc-shaped reflecting inner wall. The back of the reflecting shade 11 is provided with a heat conducting frame 26.
It should be further noted that the back of the lamp shade 1 is provided with heat dissipation openings 25 corresponding to the heat conducting frames 26 one by one for passing through.
The specific structure of the reflector 11 is provided in this embodiment. On the one hand, the light is reflected by the reflecting inner wall, so that the light is more concentrated and uniform, and the aim of saving energy is fulfilled. Meanwhile, the heat conduction frame 26 transfers heat energy in the lamp shade 1, and the heat energy is diffused through the heat dissipation opening 25, so that the temperature is reduced, and the working performance of the energy-saving blackboard lamp is ensured.
The embodiments of the present utility model have been described in detail with reference to the drawings, but the present utility model is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model.
Claims (8)
1. An energy-saving blackboard lamp capable of uniformly illuminating is characterized by comprising a lampshade (1); the lamp shade (1) is internally provided with a lighting piece (2), the side part is provided with a lighting port, the two ends of the top are respectively provided with a connecting piece (5), and the upper part is provided with a mounting frame (7); the upper and lower sides of the illumination port are respectively provided with a reflector (3), and one side of the illumination port is provided with a driving piece (4); the two groups of reflecting plates (3) are rotationally connected with the lampshade (1) and are driven by the driving piece (4) to realize reverse rotation;
the lighting piece (2) comprises a mounting seat (10); the mounting seats (10) are arranged on two sides of the interior of the lampshade (1); an energy-saving lamp tube (9) and a reflecting shade (11) are arranged between the two groups of mounting seats (10); the reflecting shade (11) is sleeved outside the energy-saving lamp tube (9), and the front side of the reflecting shade is provided with a light outlet opposite to the illumination port;
the connecting piece (5) is connected with the mounting frame (7) through a connecting wire (6);
an angle adjusting piece (8) is arranged between the connecting wires (6) at the two sides; the angle adjusting piece (8) is connected with the mounting frame (7) and the lampshade (1).
2. The energy-saving blackboard lamp capable of uniformly illuminating according to claim 1, characterized in that the two sides of the reflecting plate (3) are provided with mounting shafts; the upper end and the lower end of the lighting port of the lampshade (1) are provided with mounting grooves; the mounting shaft is rotatably connected with the groove wall of the mounting groove.
3. An energy saving blackboard lamp capable of uniform illumination according to claim 2, characterized in that the driving member (4) comprises a motor one (14), a driving shaft (15), an upper shaft (13), a driving belt one (16), a driving belt two, a lower shaft (29), a steering shaft, a gear one (28) and a gear two (30); the side wall of the lampshade (1) is provided with an installation box (12); a driving shaft (15) is arranged in the middle of the mounting box (12), a rotatable upper shaft (13) is arranged at the upper end, and a rotatable steering shaft and a rotatable lower shaft (29) are arranged at the lower end; the first motor (14) is arranged on the mounting box (12), and the main shaft is connected with the driving shaft (15); the upper shaft (13) is connected with an upper installation shaft and sleeved with a driving shaft (15) through a first driving belt (16); the steering shaft is arranged between the driving shaft (15) and the lower shaft (29), one end of the steering shaft is connected with the first gear (28) in a bonding way, and the other end of the steering shaft is sleeved with the driving shaft (15) through the second driving belt; the lower shaft (29) is connected with the lower mounting shaft and is connected with the second gear (30) in a bonding way; the first gear (28) is meshed with the second gear (30).
4. An energy saving blackboard lamp capable of uniform illumination according to claim 1, characterized in that the connecting member (5) includes a base (22); the base (22) is arranged on the lampshade (1), and the connecting cylinder (23) is arranged on the base (22); the upper end of the connecting cylinder (23) is provided with a rotatable ball (24); the bottom of the connecting wire (6) is connected with a ball (24).
5. An energy saving blackboard lamp capable of uniform illumination according to claim 1, characterized in that the angle adjusting member (8) comprises a mounting plate (27), a motor two (17), a rotating shaft (19), a sprocket (20) and a chain (18); two groups of mounting plates (27) are arranged, and a rotating shaft (19) is arranged between the two groups of mounting plates (27); the rotating shaft (19) is driven by a motor II (17) to realize rotation; the chain wheel (20) is sleeved outside the rotating shaft (19), and limiting rings (21) are arranged on two sides of the chain wheel; the chain (18) passes through the space between the two groups of mounting plates (27) and is meshed with the chain wheel (20), and the two ends of the chain are downwards connected with the lampshade (1) respectively.
6. An energy saving blackboard lamp capable of uniform illumination according to claim 1, characterized in that the reflector (11) is provided with an arc-shaped reflective inner wall.
7. An energy saving blackboard lamp capable of uniformly illuminating according to claim 1, characterized in that the back of the reflector (11) is provided with a heat conducting frame (26).
8. The energy-saving blackboard lamp capable of uniformly illuminating according to claim 7, wherein the back of the lamp shade (1) is provided with heat dissipation openings (25) which are in one-to-one correspondence with the heat conducting frames (26) and are used for passing through.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321062527.8U CN219655926U (en) | 2023-05-05 | 2023-05-05 | Energy-saving blackboard lamp capable of uniformly illuminating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321062527.8U CN219655926U (en) | 2023-05-05 | 2023-05-05 | Energy-saving blackboard lamp capable of uniformly illuminating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219655926U true CN219655926U (en) | 2023-09-08 |
Family
ID=87861692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321062527.8U Active CN219655926U (en) | 2023-05-05 | 2023-05-05 | Energy-saving blackboard lamp capable of uniformly illuminating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219655926U (en) |
-
2023
- 2023-05-05 CN CN202321062527.8U patent/CN219655926U/en active Active
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