CN216280841U - Learning desk lamp - Google Patents

Abstract

The utility model relates to a learning desk lamp, which comprises a base, an adjusting rod and a lamp holder assembly, wherein the adjusting rod is arranged on the base; the lamp holder subassembly includes spotlight module and floodlight module, spotlight module includes spotlight body, spotlight source, first convex lens and second convex lens, the spotlight source is fixed in the spotlight body, first convex lens and/or second convex lens axial activity set up in the spotlight body, first convex lens with the coaxial setting of second convex lens to all be located spotlight source orientation open-ended one side. The lamp cap component is integrally designed with the working light condensing module and the floodlight module which can be independently or combined to provide different lighting modes, different requirements of users are met, meanwhile, imaging optics are utilized to form bright light spots on a projection surface, the contrast with the environment is higher, users can pay attention to things in the bright light spots, the attention outside the light spots is weakened, and therefore the attention is improved, and the work and study efficiency is improved.

Description

Learning desk lamp

Technical Field

The utility model relates to the technical field of lamps, in particular to a learning desk lamp.

Background

Learning desk lamps have become very popular special lamps and lanterns, and are commonly used in rooms such as study rooms, bedrooms, offices and the like. However, the existing learning table lamp on the market mainly realizes illumination by a single light source, is added with other functions, and has differences from the conventional table lamp in the aspects of illumination such as lumen, finger display and the like.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model aims to provide a learning desk lamp which has the advantages of simple structure, high function integration level and adjustable illumination mode.

A learning desk lamp comprises a base, an adjusting rod and a lamp holder assembly; one end of the adjusting rod is fixed on the base, and the other end of the adjusting rod is fixedly connected with the lamp cap assembly; the lamp holder assembly comprises a spotlight module and a floodlight module, the spotlight module comprises a spotlight housing, a spotlight source, a first convex lens and a second convex lens, the spotlight housing is of a cylindrical structure with at least one open end, the spotlight source is fixed in the spotlight housing, the first convex lens and/or the second convex lens are/is axially and movably arranged in the spotlight housing, the first convex lens and the second convex lens are coaxially arranged and are positioned on one side of the spotlight source facing the opening, and the spherical radius of the second convex lens is larger than that of the first convex lens; the floodlight module is of a circular ring-shaped structure and is sleeved outside the spotlight lamp shell.

According to the learning desk lamp provided by the embodiment of the utility model, the lamp cap component is integrally designed with the light-gathering module and the floodlight module, and the light-gathering module and the floodlight module can work independently or in combination to provide different lighting modes and meet different requirements of users; meanwhile, two groups of convex lenses are arranged in the spotlight module, and imaging optics are utilized to ensure that light rays emitted by the spotlight source are refracted at the convex surface of the convex lens when passing through the first convex lens, the light rays are converged towards the middle and are absorbed into the second convex lens, the light rays are refracted at the convex surface and then are converged towards the middle again, so that light spots with obviously cut-off edges are formed on the projection surface, the stage spotlight effect is simulated in the use process, the user can pay attention to objects in brighter light spots and weaken the attention outside the light spots on the basis of the psychological principle with higher contrast and obvious light source boundary, thereby improving the attention and improving the work and study efficiency; and further combining the movable and fixed arrangement of the first convex lens and/or the second convex lens, the distance between the two convex lenses can be adjusted, and then the diameter of the projected light spot can be adjusted, so that the device can adapt to the scenes with different requirements on concentration degree, such as operation, reading, precision manual work and the like.

Further, the lamp head assembly further comprises an adjusting device; the first convex lens is fixedly arranged in the spotlight lamp shell; the second convex lens is movably arranged in the spotlight lamp shell, and the adjusting device is used for driving the second convex lens to move towards or away from the first convex lens along the axial direction of the second convex lens. Utilize adjusting device realizes the regulation of first convex lens and distance between the second convex lens, and then realizes the regulation to throwing the facula size, satisfies user's different demands.

Further, the spotlight shell comprises a first shell and a second shell, and the first shell and the second shell are coaxially arranged; the adjusting device comprises a first adjusting piece and a second adjusting piece, the first adjusting piece is of a cylindrical structure matched with the inner diameter of the spotlight lamp shell, and the second convex lens is fixed outside the end part of one side, far away from the spotlight lamp source, of the first adjusting piece; the first adjusting piece is axially and movably arranged in the spotlight lamp shell, and a first thread is arranged on the outer side surface of the first adjusting piece along the circumferential direction; the second adjusting piece is of a hollow cylindrical structure, is sleeved outside the first lamp shell and the second lamp shell and is movably clamped with the first lamp shell and the second lamp shell respectively; the inner side surface of the second adjusting piece is circumferentially provided with a second thread which is matched and engaged with the first thread. Utilize first screw thread on the first regulating part with the cooperation of second screw thread is connected on the second regulating part, and user's accessible rotates the second regulating part can drive first regulating part is along axial motion, and then drives the motion of second convex lens reaches the regulation first convex lens with the purpose of distance between the second convex lens.

Furthermore, a plurality of strip-shaped grooves are uniformly formed in the outer side surface of the second adjusting piece along the circumferential direction, and each strip-shaped groove is formed in the axial extension direction of the second adjusting piece. The arrangement of the strip-shaped groove is used for enhancing the surface friction of the second adjusting piece, so that a user can conveniently rotate the second adjusting piece.

Further, the number of turns of the first threads is larger than that of the turns of the second threads, and the adjusting range is wide.

Further, the floodlight module comprises a floodlight housing, a floodlight source and a floodlight lampshade; the floodlight lamp shell is of a circular ring cylindrical structure with an opening at one end and is sleeved and fixed on the outer side of the end part of the light-gathering module; the floodlight source is arranged in the floodlight housing and comprises a plurality of lamp beads which are uniformly arranged along the circumferential direction; the floodlight lampshade is detachably arranged at the opening of the floodlight housing. The lamp beads uniformly arranged along the circumferential direction are combined with the floodlight lampshade to emit diffused and directionless light, and the light is soft.

Furthermore, the adjusting rod comprises a base fixing part, a lamp cap fixing part and a plurality of rod bodies, the base fixing part is fixed with the base, and the lamp cap fixing part is fixedly connected with the lamp cap assembly; the rod bodies are sequentially hinged, one end of each rod body is movably hinged with the base fixing part, and the other end of each rod body is movably hinged with the lamp holder fixing part. The structure setting of adjusting the pole makes can be right the shape of study desk lamp is adjusted, adjusts the position and the angle of shining of lamp holder subassembly satisfy the demand of different use scenes.

Further, the lamp holder fixing part and the articulated shaft of the body of rod and adjacent the articulated shaft of the body of rod are damping shafts, so as to ensure the stability of the learning desk lamp structure.

Further, the number of the rod bodies is at least 1, so that the shape adjustment diversity of the learning desk lamp is improved.

Furthermore, the spotlight light source and the floodlight light source are both light sources with adjustable brightness and color temperature, and the color temperature adjusting range is 3000-6500 k, so that the requirements of different use scenes of a user are met.

For a better understanding and practice, the utility model is described in detail below with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic view of an overall structure of a learning desk lamp according to embodiment 1 of the present invention;

fig. 2 is an exploded schematic view of a learning desk lamp according to embodiment 1 of the present invention;

fig. 3 is an exploded view of the structure of the light condensing module according to embodiment 1 of the present invention;

FIG. 4 is a schematic view of the position of the adjusting device according to embodiment 1 of the present invention;

fig. 5 is a longitudinal sectional view of the structure of the lamp cap assembly according to embodiment 1 of the present invention;

fig. 6 is an exploded view of the floodlight module according to embodiment 1 of the present invention;

fig. 7 is a schematic diagram illustrating a positional relationship among the spotlight source, the first convex lens and the second convex lens according to embodiment 1 of the present invention;

fig. 8 is a schematic view of the working principle of the light condensing module according to embodiment 1 of the present invention;

fig. 9 is a schematic view of light condensing by the first convex lens and the second convex lens at a close distance according to embodiment 1 of the present invention;

fig. 10 is a schematic view of light condensation when the first convex lens and the second convex lens are at a long distance according to embodiment 1 of the present invention.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Example 1

Referring to fig. 1-2, fig. 1 is a schematic view of an overall structure of a learning desk lamp according to embodiment 1 of the present invention, and fig. 2 is a schematic view of an exploded structure of the learning desk lamp according to embodiment 1 of the present invention, as shown in the figures, embodiment 1 of the present invention provides a learning desk lamp, which includes a base 1, an adjusting rod 2 and a lamp holder assembly 3; one end of the adjusting rod 2 is fixed on the base 1, and the other end is fixedly connected with the lamp holder component 3. The lamp holder assembly 3 includes a spotlight module 31 and a floodlight module 32, please refer to fig. 3, fig. 3 is an exploded schematic view of the spotlight module structure according to embodiment 1 of the present invention, as shown, the spotlight module 31 includes a spotlight housing 311, a spotlight source 312, a first convex lens 313 and a second convex lens 314, the spotlight housing 311 is a cylindrical structure with at least one open end, the spotlight source 312 is fixed in the spotlight housing 311, the first convex lens 313 and/or the second convex lens 314 are axially and movably disposed in the spotlight housing 311, the first convex lens 313 and the second convex lens 314 are coaxially disposed and are both located on one side of the spotlight source 312 facing the open end, and a spherical radius of the second convex lens 314 is greater than a spherical radius of the first convex lens 313; the floodlight module 32 is in a ring structure and is sleeved outside the spotlight housing 311.

As an alternative embodiment, please refer to fig. 4-5, fig. 4 is a schematic position diagram of an adjusting device in embodiment 1 of the present invention, fig. 5 is a schematic longitudinal sectional view of a lamp head assembly in embodiment 1 of the present invention, as shown in the figure, in this embodiment, the lamp head assembly 3 further includes an adjusting device 33; the first convex lens 313 is fixedly arranged in the spotlight shell 311; the second convex lens 314 is movably arranged in the spotlight housing 311, and the adjusting device 33 is used for driving the second convex lens 314 to move towards or away from the first convex lens 313 along the axial direction of the second convex lens 314. The adjustment device 33 is used for adjusting the distance between the first convex lens 313 and the second convex lens 314, so as to adjust the size of the projected light spot, and meet different requirements of users.

Specifically, the spotlight housing 311 includes a first housing 3111 and a second housing 3112, and the first housing 3111 and the second housing 3112 are coaxially disposed; the adjusting device 33 comprises a first adjusting piece 331 and a second adjusting piece 332, the first adjusting piece 331 is in a cylindrical structure matched with the inner diameter of the spotlight shell 311, and the second convex lens 314 is fixed outside the end part of one side of the first adjusting piece 331 away from the spotlight source 312; the first adjusting piece 331 is axially movably arranged in the spotlight casing 311, and a first thread is arranged on the outer side surface of the first adjusting piece 331 along the circumferential direction; the second adjusting member 332 is a hollow cylindrical structure, and is sleeved outside the first lamp housing 3111 and the second lamp housing 3112 and movably clamped with the first lamp housing 3111 and the second lamp housing 3112 respectively; the inner side surface of the second adjusting member 332 is circumferentially provided with a second thread that matches and engages with the first thread. By means of the matching connection of the first thread on the first adjusting part 331 and the second thread on the second adjusting part 332, a user can drive the first adjusting part 331 to move axially by rotating the second adjusting part 332, so as to drive the second convex lens 314 to move, and the purpose of adjusting the distance between the first convex lens 313 and the second convex lens 314 is achieved.

Further preferably, the outer side surface of the second adjusting member 332 is uniformly provided with a plurality of strip-shaped grooves 333 along the circumferential direction, and each strip-shaped groove 333 is arranged along the axial extension of the second adjusting member 332. The bar-shaped groove 333 is provided to enhance the surface friction of the second adjusting member 332 for the user's rotation operation. The number of turns of the first threads is larger than that of the second threads, and the adjusting range is wide.

Referring to fig. 6, fig. 6 is an exploded schematic view of a floodlight module according to embodiment 1 of the present invention, as shown in the figure, the floodlight module 32 includes a floodlight housing 321, a floodlight source 322, and a floodlight cover 323; the floodlight housing 321 is a circular cylindrical structure with an opening at one end, and is sleeved and fixed at the outer side of the end part of the light condensing module 31; the floodlight source 322 is arranged in the floodlight housing 321 and comprises a plurality of lamp beads 324 uniformly arranged along the circumferential direction; the floodlight cover 323 is detachably mounted at the opening of the floodlight housing 321. The lamp beads 324 uniformly arranged along the circumferential direction are combined with the floodlight lampshade 323 to emit diffused and directionless light, and the light is soft.

Referring to fig. 1-2, the adjusting lever 2 includes a base fixing portion 21, a lamp holder fixing portion 22 and a plurality of lever bodies 23, the base fixing portion 21 is fixed to the base 1, and the lamp holder fixing portion 22 is fixedly connected to the lamp holder assembly 3; the plurality of rod bodies 23 are sequentially hinged, one end of each rod body is movably hinged with the base fixing part 21, and the other end of each rod body is movably hinged with the lamp holder fixing part 22. The structure setting of adjusting pole 2 makes can be right the shape of study desk lamp is adjusted, adjusts lamp holder subassembly 3's position and shines the angle, satisfies the demand of different use scenes. The number of the rods is at least 1, and as an optional implementation mode, in this embodiment, the number of the rods 23 is 1, and in other implementation modes, the number thereof may be more, so as to improve the variety of shape adjustment of the learning desk lamp.

Further preferably, the hinge shaft of the lamp holder fixing portion 22 and the rod body 23, and the hinge shaft of the adjacent rod body 23 are damping shafts, so as to ensure the structural stability of the learning desk lamp.

As an optional implementation manner, in this embodiment, the spotlight source 312 and the floodlight source 322 are both light sources with adjustable brightness and color temperature, and the color temperature adjustment range is 3000-6500 k, so as to meet the requirements of users in different use scenes.

In the learning desk lamp in embodiment 1 of the utility model, the lamp head assembly is integrally designed with the light condensing module and the floodlight module, and the light condensing module and the floodlight module can work independently or in combination to provide different lighting modes and meet different requirements of users; meanwhile, two groups of convex lenses are arranged in the spotlight module, please refer to fig. 7-8, fig. 7 is a schematic diagram of the position relationship among the spotlight source, the first convex lens and the second convex lens in embodiment 1 of the utility model, fig. 8 is a schematic diagram of the working principle of the spotlight module in embodiment 1 of the utility model, as shown in the diagram, when light emitted by the spotlight source 312 passes through the first convex lens 313, the light is refracted at the convex surface of the convex lens, the light is converged towards the middle and enters the second convex lens 314, the light is refracted at the convex surface and then converged towards the middle again, so as to form a spot a with an obviously cut-off edge on the projection surface, the stage follow spot effect is simulated in the use process, and based on the psychological principle, a user can pay attention to things in brighter spots and weaken the attention outside the spot, thereby improving the special attention and the work and study efficiency; in addition, in combination with the movable and fixed arrangement of the first convex lens 313 and/or the second convex lens 314, in this embodiment, the second convex lens 314 can reciprocate along the axial direction under the driving action of the adjusting device 33, that is, as shown in the arrow a direction in fig. 7, in other embodiments, the first convex lens can also be movably arranged, and the specific working principle is the same, please refer to fig. 9-10, fig. 9 is a schematic diagram of focusing when the first convex lens and the second convex lens in embodiment 1 of the present invention are in a close distance, fig. 10 is a schematic diagram of focusing when the first convex lens and the second convex lens in embodiment 1 of the present invention are in a far distance, as shown in fig. 7, the light source boundary of the light spot can be enlarged or reduced by adjusting the distance between the first convex lens 313 and the second convex lens 314, as shown in the arrow b in fig. 7, the diameter of the projected light spot can be changed, when the distance is closer, the diameter of the light spot is larger, otherwise, the diameter is larger, so that the method can adapt to scenes with different requirements on concentration, such as operation, reading, precise manual work and the like.

The light source is further combined with the setting that the brightness and the color temperature of the floodlight source can be adjusted, the color temperature adjusting range is preferably limited, the characteristic that sleep hormone melatonin has strong sensitivity to light with blue-green wavelength is utilized, the color temperature range of 3000-6500 k has more blue-green light, the body can be inhibited from generating melatonin, the excitation sense of the human body is stronger, a certain excitation effect is obtained, the alertness and the energy level of the human body are enhanced from a physiological angle, the use of light spots is cut off from a psychological angle, the concentration degree can be effectively improved, and the light source is suitable for various indoor applications such as schools, offices, libraries and industrial places.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.

Claims (10)

1. The utility model provides a study desk lamp which characterized in that: comprises a base, an adjusting rod and a lamp holder component; one end of the adjusting rod is fixed on the base, and the other end of the adjusting rod is fixedly connected with the lamp cap assembly; the lamp holder assembly comprises a spotlight module and a floodlight module, the spotlight module comprises a spotlight housing, a spotlight source, a first convex lens and a second convex lens, the spotlight housing is of a cylindrical structure with at least one open end, the spotlight source is fixed in the spotlight housing, the first convex lens and/or the second convex lens are/is axially and movably arranged in the spotlight housing, the first convex lens and the second convex lens are coaxially arranged and are positioned on one side of the spotlight source facing the opening, and the spherical radius of the second convex lens is larger than that of the first convex lens; the floodlight module is of a circular ring-shaped structure and is sleeved outside the spotlight lamp shell.

2. The learning desk lamp of claim 1, wherein: the lamp head assembly further comprises an adjusting device; the first convex lens is fixedly arranged in the spotlight lamp shell; the second convex lens is movably arranged in the spotlight lamp shell, and the adjusting device is used for driving the second convex lens to move towards or away from the first convex lens along the axial direction of the second convex lens.

3. The learning desk lamp of claim 2, wherein: the spotlight lamp shell comprises a first lamp shell and a second lamp shell, and the first lamp shell and the second lamp shell are coaxially arranged; the adjusting device comprises a first adjusting piece and a second adjusting piece, the first adjusting piece is of a cylindrical structure matched with the inner diameter of the spotlight lamp shell, and the second convex lens is fixed outside the end part of one side, far away from the spotlight lamp source, of the first adjusting piece; the first adjusting piece is axially and movably arranged in the spotlight lamp shell, and a first thread is arranged on the outer side surface of the first adjusting piece along the circumferential direction; the second adjusting piece is of a hollow cylindrical structure, is sleeved outside the first lamp shell and the second lamp shell and is movably clamped with the first lamp shell and the second lamp shell respectively; the inner side surface of the second adjusting piece is circumferentially provided with a second thread which is matched and engaged with the first thread.

4. The learning desk lamp of claim 3, wherein: the outside surface of second regulating part evenly is provided with a plurality of bar grooves along circumference, each the bar groove all follows the axial extension setting of second regulating part.

5. The learning desk lamp of claim 3, wherein: the number of turns of the first thread is greater than the number of turns of the second thread.

6. The learning desk lamp of claim 1, wherein: the floodlight module comprises a floodlight housing, a floodlight source and a floodlight lampshade; the floodlight lamp shell is of a circular ring cylindrical structure with an opening at one end and is sleeved and fixed on the outer side of the end part of the light-gathering module; the floodlight source is arranged in the floodlight housing and comprises a plurality of lamp beads which are uniformly arranged along the circumferential direction; the floodlight lampshade is detachably arranged at the opening of the floodlight housing.

7. The learning desk lamp of claim 1, wherein: the adjusting rod comprises a base fixing part, a lamp cap fixing part and a plurality of rod bodies, the base fixing part is fixed with the base, and the lamp cap fixing part is fixedly connected with the lamp cap assembly; the rod bodies are sequentially hinged, one end of each rod body is movably hinged with the base fixing part, and the other end of each rod body is movably hinged with the lamp holder fixing part.

8. The learning desk lamp of claim 7, wherein: the lamp holder fixing part and the hinged shaft of the rod body, the lamp holder fixing part and the hinged shaft of the rod body and the hinged shaft of the adjacent rod body are damping shafts.

9. The learning desk lamp of claim 7, wherein: the number of the rod bodies is at least 1.

10. The learning desk lamp of claim 6, wherein: the spotlight light source and the floodlight light source are light sources with adjustable brightness and color temperature, and the color temperature adjusting range is 3000-6500 k.

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