CN221197145U - High-uniformity reading and writing desk lamp for illumination - Google Patents

Abstract

The utility model is suitable for the field of lamps, and provides a reading and writing desk lamp for high-uniformity illumination, which comprises a base, a lamp holder hinged with the base, a lamp shade hinged with the lamp holder through a connecting piece, a main light source component and a main control switch are connected to the lamp shade, the main light source component comprises a lower cover connected with the lamp shade, a light hole is formed in the lower cover, a reflecting cover is arranged between the lamp shade and the lower cover, a lens and a first lamp bead plate are connected to the reflecting cover, the reflecting cover comprises a cambered surface plate which is gradually bent and extended downwards from back to front, two sides of the cambered surface plate are provided with shading plates, the lens is connected with the shading plates, the first lamp bead plate is electrically connected with the main control switch, one part of a light source emitted by the first lamp bead plate is reflected to the lens through the reflecting cover, and the other part of the light source is directly emitted through the lens; the reflector and the lens are matched, the light irradiation area of the light emitted by the first lamp bead plate is doubled compared with that of the existing lamp, uniformity data are also greatly improved, the effects of improving illumination uniformity and diffusion effect are achieved, and the functions of reading and writing are met.

Description

High-uniformity reading and writing desk lamp for illumination

Technical Field

The utility model belongs to the field of lamps, and particularly relates to a reading and writing desk lamp for high-uniformity illumination.

Background

The existing reading-writing desk lamp is generally used for learning and reading, has a single functional light source and mainly comprises a base, a lamp holder, a connecting piece and a lamp shade. The light source of the lamp beads irradiates the desktop through the light guide plate diffusion plate, so that the irradiation area of the light is small, the uniformity index is poor, and visual fatigue is easy to cause; and if there is a lamp that needs to be used at night, such as a small night lamp, additional purchase is needed, so that resources are wasted greatly, and limited space is occupied.

Disclosure of utility model

The utility model aims to overcome the defects of the prior art and provides a reading and writing desk lamp for high-uniformity illumination.

The utility model is realized in the following way: the utility model provides a high degree of consistency illumination is with reading and writing operation desk lamp, includes the base, with base articulated lighting fixture, through a connecting piece with lighting fixture articulated lamp shade, the lamp shade is connected with main light source subassembly and master control switch, main light source subassembly includes the lower cover of being connected with the lamp shade, the lower cover is equipped with the light trap, the lamp shade with be equipped with the reflector between the lower cover, be connected with lens and first lamp pearl board on the reflector, the lens install in on the light trap, the reflector includes by the cambered surface board of back forward gradual bending and extending downwards, the both sides of cambered surface board are equipped with the light screen, the lens with the light screen is connected, first lamp pearl board with master control switch electric connection, a part of the light source that first lamp pearl board launched is passed through the reflector reflection extremely the lens jets out, another part is direct through the lens jets out.

Further, the lens is of an L-shaped structure, the transverse surface of the lens is connected with the lower end of the light shielding plate, the vertical surface of the lens is connected with the rear end of the light shielding plate, and the first lamp bead plate is connected with the vertical surface of the lens through a mounting block.

Further, the back end of the lampshade is also provided with a backlight source component for supplementing the light source.

Further, the backlight assembly comprises a diffusion cover arranged at the rear end of the lampshade, and a second lamp bead plate is arranged in the diffusion cover.

Further, a balancing weight is further arranged in the base.

According to the reading and writing desk lamp for high-uniformity illumination, the reflector is matched with the lens, a part of light emitted by the first lamp bead plate is irradiated out through the lens, and most of the light is reflected to the lens through the reflector and then irradiated to the desk surface, so that the light irradiation area is doubled compared with that of the existing lamp, uniformity data is greatly improved, the effects of improving illumination uniformity and diffusion effect are achieved, and the reading and writing operation function is met.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

The following drawings are only for purposes of illustration and explanation of the present utility model and are not intended to limit the scope of the utility model.

Fig. 1 is a schematic view of the structure provided by the present utility model.

Fig. 2 is an exploded view of a structure provided by the present utility model.

Fig. 3 is a light source path diagram of the first bead plate according to the present utility model.

Reference numerals illustrate: 1. a base; 2. a lamp holder; 3. a lamp shade; 4. a main light source assembly; 41. a lower cover; 411. a light hole; 42. a reflector; 421. an arc panel; 422. a light shielding plate; 43. a lens; 44. a first light bead plate; 45. a mounting block; 5. a main control switch; 6. a backlight assembly; 61. a diffusion cover; 62. and a second lamp bead plate.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Referring to fig. 1-3, the utility model discloses a reading-writing desk lamp for high-uniformity illumination, which comprises a base 1, a lamp holder 2 hinged with the base 1, and a lampshade 3 hinged with the lamp holder 2 through a connecting piece, wherein the lampshade 3 is connected with a main light source assembly 4 and a main control switch 5. Further, still be equipped with the balancing weight in the base 1, guarantee the use stationarity of whole desk lamp, and when passing through lighting fixture 2 with the connecting piece adjusts lamp shade 3 position, can avoid excessively rocking, stability when keeping the regulation. The main light source assembly 4 comprises a lower cover 41 connected with the lamp shade 3, the lower cover 41 is provided with a light hole 411, a reflecting shade 42 is arranged between the lamp shade 3 and the lower cover 41, a lens 43 and a first lamp bead plate 44 are connected to the reflecting shade 42, the lens 43 is mounted on the light hole 411, and the first lamp bead plate 44 is electrically connected with the main control switch 5.

The first bead plate 44 is disposed opposite to the reflector 42, and the first bead plate 44 emits light toward the reflector 42. Specifically, the reflector 42 includes a cambered surface plate 421 gradually bent and extended downward from back to front, two sides of the cambered surface plate 421 are provided with light shielding plates 422, and the lens 43 is connected with the light shielding plates 422. The lens 43 is in an L-shaped structure, the transverse surface of the lens 43 is connected with the lower end of the light shielding plate 422, the vertical surface of the lens 43 is connected with the rear end of the light shielding plate 422, the first lamp bead plate 44 is connected with the vertical surface of the lens 43 through a mounting block 45, namely, a light source emitted by the first lamp bead plate 44 is reflected onto the lens 43 through the cambered surface plate 421, the light sources on two sides of the light shielding plate 422 are reflected onto the lens 43, the light leakage is avoided, the light source emitted by the first lamp bead plate 44 is enabled to be totally reflected onto the lens 43 to emit, the light source is concentrated, and the illumination brightness is ensured.

When the main control switch 5 is used for electrifying the first lamp bead plate 44, most of the light source emitted by the first lamp bead plate 44 is reflected to the lens 43 through the reflecting cover 42 to be emitted and acted on the desktop, and the other part of the light source is directly emitted and acted on the desktop through the lens 43, so that the acting area of the light source on the desktop is greatly increased, the uniformity of the light source is further improved, visual fatigue is not easy to occur, the use comfort is greatly improved, and the functions of reading and writing are met.

Further, the rear end of the lamp cover 3 is further provided with a backlight assembly 6 for supplementing a light source, the backlight assembly 6 comprises a diffusion cover 61 arranged at the rear end of the lamp cover 3, a second lamp bead plate 62 is arranged in the diffusion cover 61, and the second lamp bead plate 62 emits the light source to the rear of the lamp cover 3, and the light source emitting direction of the second lamp bead plate 62 is opposite to that of the first lamp bead plate 44. On the one hand, the second lamp bead plate 62 is turned on according to the illumination condition of the ambient space light, so that the brightness is further improved, the effect of supplementing illumination is achieved, and the visual fatigue of a user is reduced; on the other hand, the first lamp bead plate 44 can be closed at night, and only the second lamp bead plate 62 is opened, so that the night lamp is low in brightness, can serve as a small night lamp, and can be used for increasing the use scene of the whole desk lamp, and the practicability is high.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, or alternatives falling within the spirit and principles of the utility model.

Claims (5)

1. A high degree of consistency illumination is with reading and writing operation desk lamp, its characterized in that: including base (1), with base (1) articulated lighting fixture (2), through a connecting piece with lighting fixture (2) articulated lamp shade (3), lamp shade (3) are connected with main light source subassembly (4) and master control switch (5), main light source subassembly (4) include lower cover (41) be connected with lamp shade (3), lower cover (41) are equipped with light trap (411), lamp shade (3) with be equipped with reflector (42) between lower cover (41), be connected with lens (43) and first lamp pearl board (44) on reflector (42), lens (43) install in on light trap (411), reflector (42) are including by backward forward gradually downwardly extending's cambered surface board (421), the both sides of cambered surface board (421) are equipped with light screen (422), lens (43) with light screen (422) are connected, first lamp pearl board (44) with master control switch (5) electric connection, first lamp (44) are launched a part through reflector (43) to another part of penetrating lens (43).

2. The reading and writing desk lamp for high uniformity illumination according to claim 1, wherein: the lens (43) is of an L-shaped structure, the transverse surface of the lens (43) is connected with the lower end of the light shielding plate (422), the vertical surface of the lens (43) is connected with the rear end of the light shielding plate (422), and the first lamp bead plate (44) is connected with the vertical surface of the lens (43) through a mounting block (45).

3. The reading and writing desk lamp for high uniformity illumination according to claim 1, wherein: the rear end of the lampshade (3) is also provided with a backlight source component (6) for supplementing a light source.

4. A high uniformity lighting reading and writing desk lamp as recited in claim 3, wherein: the backlight assembly (6) comprises a diffusion cover (61) arranged at the rear end of the lampshade (3), and a second lamp bead plate (62) is arranged in the diffusion cover (61).

5. The reading and writing desk lamp for high uniformity illumination according to claim 1, wherein: and a balancing weight is further arranged in the base (1).