CN218064522U

CN218064522U - Shadow-reducing desk lamp

Info

Publication number: CN218064522U
Application number: CN202222556343.9U
Authority: CN
Inventors: 李京蔓
Original assignee: Opple Lighting Co Ltd; Suzhou Op Lighting Co Ltd
Current assignee: Opple Lighting Co Ltd; Suzhou Op Lighting Co Ltd
Priority date: 2022-09-27
Filing date: 2022-09-27
Publication date: 2022-12-16
Anticipated expiration: 2032-09-27
Also published as: WO2024067239A1

Abstract

The utility model provides a subtraction desk lamp belongs to the lighting technology field. The shadow-reducing desk lamp comprises a lamp holder, a lamp holder and a lamp post connected with the lamp holder and the lamp holder, wherein the lamp holder comprises a light source plate, a reflector and a diffusion plate, the reflector is provided with a reflection surface which is inwards recessed from a light emitting surface of the lamp holder, the diffusion plate is positioned below the reflection surface and limits the light source plate between the reflection surface and the diffusion plate, the light source plate is horizontally placed and is respectively connected with the reflector and the diffusion plate, one side of the light emitting surface of the light source plate faces the reflection surface, and light rays emitted by the light source plate are reflected by the reflection surface and penetrate through the diffusion plate to be outwards emitted. The utility model horizontally arranges the light source plate and the light emitting side faces the reflecting surface, so that a user can not see the light source from the light emitting surface, and the optical requirement that the desk lamp has no blue light harm is met; through setting up the diffuser plate on the lamp holder for light passes the diffuser plate and outwards jets out, has changed the direction of jetting out of light, has weakened the shadow in a poor light of workspace, has promoted the illumination experience comfort level of desk lamp.

Description

Shadow-reducing desk lamp

Technical Field

The utility model relates to a subtraction desk lamp belongs to the lighting technology field.

Background

The desk lamp is a common lighting appliance for people, but the light emitting direction of the existing desk lamp is single, and when the desk lamp is used for writing, a backlight shadow can be generated, so that the desk lamp is inconvenient for people to work, and the vision of a user can be influenced when a shadow area is checked for a long time.

In view of the above, there is a need for an improved desk lamp to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a shadow-reducing desk lamp to solve the problem that current desk lamp light-emitting direction is single, easily produce the shadow in a poor light.

In order to realize the above aim, the utility model provides a subtraction desk lamp, including lamp stand, lamp holder and connection the lamp stand with the lamp pole of lamp holder, the lamp holder includes light source board, reflector and diffuser plate, the reflector be equipped with certainly the play plain noodles of lamp holder is inside sunken plane of reflection, the diffuser plate is located the below of plane of reflection, and general the light source board restriction is in the plane of reflection with between the diffuser plate, light source board level place and respectively with the reflector with the diffuser plate is connected, light-emitting one side orientation of light source board the plane of reflection makes the light warp that the light source board jetted out the plane of reflection reflects and passes the diffuser plate jets out outward.

As a further improvement, the definition perpendicular to the direction of the light-emitting surface of the lamp holder is vertical, and the included angle between the light-emitting direction of the lamp holder and the vertical direction is 0 to 78 degrees.

As a further improvement of the present invention, a plurality of reflection regions are formed on the reflection surface to control the reflection angle of the light emitted from the light source plate.

As a further improvement, be formed with interconnect's first reflecting region, second reflecting region and third reflecting region on the plane of reflection, the biggest contained angle between the light-emitting direction of first reflecting region and the vertical direction is 78 °, the contained angle between the light-emitting direction of second reflecting region and the vertical direction is 35 ~ 70 °, contained angle between the light-emitting direction of third reflecting region and the vertical direction is 0 ~ 52.

As a further improvement of the utility model, in the vertical direction, the light source board is close to first reflecting area sets up, the second reflecting area is located directly over the light source board, the third reflecting area is located the upper right side of light source board.

As a further improvement of the present invention, in the vertical direction, the light source plate irradiates to the first reflection area at the light beam distributed within a range of less than-30 °, the light source plate irradiates to the second reflection area at the light beam distributed within a range of-30 ° to 30 °, and the light source plate irradiates to the third reflection area at the light beam distributed within a range of more than 30 °.

As a further improvement of the present invention, the diffuser plate has an anti-glare structure and a soft light structure, the anti-glare structure is located the diffuser plate is close to one side of the reflector, the soft light structure is located the diffuser plate deviates from one side of the reflector.

As a further improvement, the anti-dazzle structure is provided with a plurality of and evenly arranges on the diffuser plate, the anti-dazzle structure is the combination of one or more in pyramid, cone, cylinder, the special-shaped structure body.

As a further improvement, the soft light structure is a bead surface structure, the soft light structure is provided with a plurality of and is cellular arrangement.

As a further improvement of the present invention, the lamp head further has a light shield, the light shield is disposed on both sides of the diffusion plate, and the light shield is configured to be in the light-emitting side of the diffusion plate and a light-shielding angle is formed between the diffusion plates.

The utility model has the advantages that: the utility model discloses a shadow-reducing desk lamp sets up the light source board to put horizontally and light-emitting one side is towards the plane of reflection, makes the user can't see the light source from the play plain noodles, has satisfied the optical requirement that the desk lamp does not have blue light harm; through set up the diffuser plate on the lamp holder for light passes the diffuser plate outwards jets out, has changed the direction of jetting out of light, has weakened the shade in a poor light of workspace, has promoted the illumination experience comfort level of desk lamp.

Drawings

Fig. 1 is a perspective view of a subtraction desk lamp according to a preferred embodiment of the present invention.

Fig. 2 is a cross-sectional view of the burner of fig. 1.

Fig. 3 is a perspective view of the reflector of fig. 2.

Fig. 4 is a schematic diagram of the reflection of the light rays in fig. 2.

Fig. 5 is a light distribution graph of the reflector of fig. 4.

Fig. 6 is a light distribution graph of the lamp head of fig. 2.

Fig. 7 is a surface structure view of the diffuser plate of fig. 2.

Fig. 8 is a perspective view of the dazzle prevention structure of fig. 7.

Fig. 9 is a refraction pattern of light rays after passing through the antiglare structure of fig. 8.

Description of reference numerals: 100-a subtraction desk lamp, 1-a lamp holder, 2-a lamp post, 21-a first lamp post and 22-a second lamp post;

3-lamp holder, 31-light source plate, 311-lamp bead, 312-circuit board, 32-reflector, 321-first reflection area, 322-second reflection area, 323-third reflection area, 33-diffusion plate, 331-anti-dazzle structure, 332-refraction surface, 333-bottom surface, 334-soft light structure, 34-light shield and 4-rotating shaft.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1, the present embodiment discloses a subtraction desk lamp 100 for illuminating a working area and reducing backlight shadows in the working area. Subtraction desk lamp 100 includes lamp stand 1, lamp holder 3, pivot 4 and connects lamp stand 1 and lamp holder 3's lamp pole 2, and is specific, and lamp pole 2 includes first lamp pole 21 and second lamp pole 22, and first lamp pole 21 realizes rotating through pivot 4 with lamp stand 1 to be connected, and the one end that lamp stand 1 was kept away from to first lamp pole 21 realizes rotating through pivot 4 with second lamp pole 22 to be connected, and the one end that first lamp pole 21 was kept away from to second lamp pole 22 realizes rotating through pivot 4 with lamp holder 3 to be connected.

Wherein, the specific structure between lamp stand 1, first lamp pole 21, second lamp pole 22 and the lamp holder 3 and the connected mode thereof can be designed according to the prior art, the utility model discloses an improvement point lies in the specific structure of lamp holder 3 and the light-emitting angle of lamp holder 3, and the following description content will be described in detail to this improvement point.

Referring to fig. 2 and 3, the lamp head 3 includes a light source plate 31, a reflector 32 and a diffusion plate 33, the reflector 32 has a reflection surface recessed inward from the light-emitting surface of the lamp head 3, and the diffusion plate 33 is located below the reflection surface and limits the light source plate 31 between the reflection surface and the diffusion plate 33. Specifically, the reflection surface is curved, the light source plate 31 is horizontally disposed and partially accommodated in the recess, and meanwhile, the light source plate 31 is connected to the diffusion plate 33 and the reflector 32, so that the light source plate 31, the reflector 32 and the diffusion plate 33 can be mounted, in other embodiments, a sealant is disposed between the diffusion plate 33 and the reflector 32 to seal the light source plate 31 in the recess of the reflector 32, thereby preventing dust or moisture from entering the reflector 32.

Wherein, light-emitting one side of light source board 31 is towards the plane of reflection for the user can't directly see the light source, satisfies the optical requirement that the desk lamp does not have blue light harm, and is specific, and light source board 31 includes circuit board 312 and installs lamp pearl 311 on circuit board 312, and lamp pearl 311 is installed in circuit board 312 towards one side of reflector 32, makes the light that lamp pearl 311 jetted out reflect through the plane of reflection, and passes diffuser plate 33 and outwards jets out. A plurality of mutually connected reflecting areas are formed on the reflecting surface and used for controlling the reflecting angle of the light rays, so that the light rays can be effectively irradiated on a working area, and the illumination of the working area is improved.

In this embodiment, three mutually connected reflection regions are formed on the reflection surface, which are respectively defined as a first reflection region 321, a second reflection region 322 and a third reflection region 323, and light emitted by the lamp bead 311 is reflected by the first reflection region 321, the second reflection region 322 and the third reflection region 323 respectively and passes through the diffusion plate 33 to be emitted; the reflecting surface may also be provided with two reflecting regions or more than three reflecting regions, and the number of reflecting regions is not limited herein.

In this embodiment, in the vertical direction, the first reflection region 321 is disposed on a side of the reflection surface close to the lamp post 2, and the second reflection region 322 and the third reflection region 323 are sequentially arranged from the first reflection region 321 toward a side far from the lamp post 2, specifically, the light source board 31 is disposed close to the first reflection region 321, the second reflection region 322 is located right above the light source board 31, and the third reflection region 323 is located right above the light source board 31, so as to form an opening for passing through the reflected light between a side of the reflector 32 far from the lamp post 2 and the light source board 31, of course, in other embodiments, the light source board 31 may be disposed close to the third reflection region 323, so that an opening is formed between a side of the reflector 32 close to the lamp post 2 and the light source board 31; the light source plate 31 may also be disposed between the first reflection region 321 and the second reflection region 322 to form an opening on both sides of the light source plate 31, which is not limited herein.

Referring to fig. 4 to 6, if the direction perpendicular to the light emitting surface of the lamp holder 3 is defined as a vertical direction, an included angle between the light emitting direction of the lamp holder 3 and the vertical direction is 0 ° to 78 °, specifically, in the vertical direction, the light emitting range of the lamp bead 311 is-90 ° to 90 °, the light emitted by the lamp bead 311 is divided into three portions, the first portion is light distributed within a range of less than 30 °, the second portion is light distributed within a range of-30 ° to 30 °, and the third portion is light distributed within a range of more than 30 °.

All the first part of light emitted by the lamp bead 311 irradiates the first reflection region 321, so that the first part of light is emitted after being reflected by the first reflection region 321, and the maximum included angle between the reflected light emitting direction and the vertical direction is 78 degrees; the second part of light is totally irradiated to the second reflection area 322, so that the second part of light is reflected by the second reflection area 322 and then emitted, and the included angle between the reflected light emitting direction and the vertical direction is 35-70 degrees; the third part of light all shines to third reflecting area 323 for the light of third part jets out after third reflecting area 323 reflects, and the light-emitting direction after the reflection is 0 ~ 52 with the contained angle between the vertical direction, so set up, has realized controlling the scattered light that lamp pearl 311 sent, has improved the illuminance of work area, helps protecting eyesight.

Referring to fig. 7 to 9, the diffusion plate 33 includes an anti-glare structure 331 and a soft light structure 334, the anti-glare structure 331 is disposed on a side of the diffusion plate 33 close to the reflector 32, and the soft light structure 334 is disposed on a side of the diffusion plate 33 away from the reflector 32, so that the reflected light rays firstly pass through the anti-glare structure 331 and then pass through the soft light structure 334 to be emitted outward.

In this embodiment, the anti-glare structure 331 is a pyramid, specifically a hexagonal pyramid, six surfaces of the hexagonal pyramid are refraction surfaces 332, a bottom surface 333 is a mounting surface, specifically, the mounting surface 333 is attached to the diffusion plate 33 to implement the mounting of the hexagonal pyramid, light rays penetrate through the refraction surfaces 332 and the mounting surface 333 to be emitted outwards, the refraction surfaces 332 of the hexagonal pyramid refract parallel light rays into crossed light rays to implement multi-directional irradiation on a working area, and of course, in other embodiments, the anti-glare structure 331 may also be one or a combination of several of a cone, a cylinder, and a special-shaped structure, which is not limited herein.

The plurality of anti-glare structures 331 on the diffusion plate 33 are uniformly arranged on the diffusion plate 33 or arranged according to a certain arrangement pitch, specifically, the pitch between two adjacent anti-glare structures 331 may be the same, that is, the distance between one anti-glare structure 331 and four adjacent anti-glare structures 331 is the same; the distance between two adjacent anti-glare structures 331 may also be different, that is, the distance between one anti-glare structure 331 and four adjacent anti-glare structures 331 is different, and the four distances may be different, or may be two by two, and this embodiment does not limit this.

In this embodiment, the soft light structure 334 is a bead surface structure, and the bead surface structure is provided with a plurality of and is arranged in a honeycomb manner on one side of the diffusion plate 33 away from the reflector 32, so as to soften the emergent light of the lamp holder 3 and improve the comfort level of illumination.

In this embodiment, lamp holder 3 is the circular-arc setting of certain angle, and lamp holder 3 is sunken towards the direction of keeping away from the work area, has further realized carrying out the multi-angle light filling to the work area, weakens the shadow in a poor light of work area.

The lamp head 3 further includes a light shield 34, the light shield 34 and the light source plate 31 are respectively disposed on two sides of the diffusion plate 33, the light shield 34 is configured to form a light shielding angle between the light emitting side of the diffusion plate 33 and the diffusion plate 33, so as to adjust the light emitting angle of the lamp head 3 through the light shield 34, and prevent the light emitted by the lamp head 3 from directly entering the eyes of the user to cause glare, of course, in other embodiments, the light shield 34 may also be configured to be rotatable relative to the lamp head 3 to be adjusted according to the usage habit of the user, or the light shield 34 may not be disposed, and only the reflector 32 and the diffusion plate 33 are used for adjustment, so as to prevent glare, and the present disclosure is not limited herein.

To sum up, the shadow-reducing table lamp 100 of the present invention controls the light-emitting angle of the lamp head 3 by setting a plurality of reflection areas, so as to effectively utilize light to the working area, thereby improving the illumination of the working area; by arranging the diffusion plate 33 on the lamp holder 3, light rays penetrate through the diffusion plate 33 and are emitted outwards, the emitting direction of the light rays is changed, backlight shadows of a working area are weakened, and the lighting experience comfort level of the desk lamp is improved; by horizontally placing the light source plate 31 and enabling the light emitting side to face the reflecting surface, a user can not see the light source from the light emitting surface, and the optical requirement of no blue light hazard is met.

Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art will appreciate that various modifications and equivalent arrangements can be made without departing from the spirit and scope of the present invention.

Claims

1. The utility model provides a subtraction desk lamp, includes lamp stand (1), lamp holder (3) and connects lamp stand (1) with lamp pole (2) of lamp holder (3), its characterized in that: the lamp holder (3) comprises a light source plate (31), a reflector (32) and a diffusion plate (33), wherein the reflector (32) is provided with a reflection surface, the light emitting surface of the lamp holder (3) is inwards recessed, the diffusion plate (33) is located below the reflection surface, the light source plate (31) is limited between the reflection surface and the diffusion plate (33), the light source plate (31) is horizontally placed and is respectively connected with the reflector (32) and the diffusion plate (33), and the light emitting side of the light source plate (31) faces the reflection surface, so that light emitted by the light source plate (31) is reflected by the reflection surface and penetrates through the diffusion plate (33) to be outwards emitted.

2. The subtraction desk lamp of claim 1, wherein: the direction perpendicular to the light emitting surface of the lamp holder (3) is defined as a vertical direction, and the included angle between the light emitting direction of the lamp holder (3) and the vertical direction is 0-78 degrees.

3. The subtraction desk lamp of claim 2, wherein: a plurality of reflecting regions are formed on the reflecting surface to control the reflecting angle of the light emitted by the light source plate (31).

4. The subtraction desk lamp of claim 3, wherein: a first reflection region (321), a second reflection region (322) and a third reflection region (323) which are connected with each other are formed on the reflection surface, the maximum included angle between the light emitting direction of the first reflection region (321) and the vertical direction is 78 degrees, the included angle between the light emitting direction of the second reflection region (322) and the vertical direction is 35-70 degrees, and the included angle between the light emitting direction of the third reflection region (323) and the vertical direction is 0-52 degrees.

5. The subtraction desk lamp of claim 4, wherein: in the vertical direction, the light source board (31) is disposed close to the first reflection area (321), the second reflection area (322) is located right above the light source board (31), and the third reflection area (323) is located right above the light source board (31).

6. The subtraction desk lamp of claim 4, wherein: in the vertical direction, all light rays distributed in the range of less than-30 degrees of the light source board (31) irradiate the first reflection area (321), all light rays distributed in the range of-30 degrees to 30 degrees of the light source board (31) irradiate the second reflection area (322), and all light rays distributed in the range of more than 30 degrees of the light source board (31) irradiate the third reflection area (323).

7. The subtraction desk lamp of claim 1, wherein: the diffusion plate (33) is provided with an anti-dazzle structure (331) and a soft light structure (334), the anti-dazzle structure (331) is arranged on one side, close to the reflector (32), of the diffusion plate (33), and the soft light structure (334) is arranged on one side, away from the reflector (32), of the diffusion plate (33).

8. The subtraction desk lamp of claim 7, wherein: the anti-dazzle structures (331) are arranged in a plurality and are uniformly distributed on the diffusion plate (33), and the anti-dazzle structures (331) are one or a combination of a pyramid, a cone, a cylinder and a special-shaped structure body.

9. The subtraction desk lamp of claim 7, wherein: the soft light structure (334) is of a bead surface structure, and the soft light structure (334) is provided with a plurality of structures and is arranged in a honeycomb manner.

10. The subtraction desk lamp of claim 1, wherein: the lamp cap (3) is further provided with a light shield (34), the light shield (34) and the light source plate (31) are respectively arranged on two sides of the diffusion plate (33), and the light shield (34) is configured to form a light shielding angle between the light outgoing side of the diffusion plate (33) and the diffusion plate (33).