CN217899617U - Desk lamp with strip-shaped light guide lampshade - Google Patents

Abstract

The utility model relates to the field of lighting technology, more specifically relates to a rectangular type leaded light lamp shade's desk lamp. The utility model provides a rectangular leaded light lamp shade's desk lamp, is including the light source subassembly, lamp pole subassembly and the lamp stand that connect gradually, the light source subassembly includes lamp shade, light source and is used for with the diffusion subassembly that the light source sent evenly scatters out, the light source is located in the lamp shade just the light emitting area of light source with the vertical direction central line of lamp shade is formed with first contained angle, first contained angle is not more than 90, the light source with the diffusion subassembly links to each other. The light that the light source sent passes through diffusion subassembly and outwards evenly scatters out, makes the illumination that the illumination zone can receive the same intensity, and then can effectively protect user's eyes, the utility model discloses effectively solved some regional illumination that traditional desk lamp exists and too strong, the problem that another partial region illumination is too dark.

Description

Desk lamp with strip-shaped light guide lampshade

Technical Field

The utility model relates to the field of lighting technology, more specifically relates to a rectangular type leaded light lamp shade's desk lamp.

Background

In daily life, desk lamps are widely applied to various fields, but most of the existing desk lamps only have the requirements of common lighting or auxiliary lighting, when the desk lamps are used for reading and writing operation lighting, partial areas near a light source in an irradiation area of the existing desk lamps are too strong in illumination, partial areas far away from the light source are too dark in illumination, and the protection of eyes of users is not facilitated, namely the performances of light uniformity, light shading performance and the like of the existing desk lamps cannot meet the related requirements of the performance of reading and writing operation lamps of national standards.

The prior art discloses a desk lamp, which comprises a lamp holder, wherein a lamp arm is arranged on the lamp holder, one end of the lamp arm is connected with a lamp shade, a luminous lamp body is arranged in the lamp shade, and a detachable lead-acid battery which can supply power for the luminous lamp body is arranged on the lamp holder; according to the desk lamp, the positive and negative metal heads of the disassembled and replaced lead-acid battery are respectively welded with the conducting wires, and the other ends of the two conducting wires are respectively connected with a plug; according to the desk lamp, the socket capable of being matched with the plug is further arranged in the lamp holder, and the socket is electrically connected with the control circuit board.

This published technical scheme provides a desk lamp of removable battery, can increase the life of desk lamp to a certain extent, but still partly regional illumination is too strong in this technical scheme's the irradiation region of desk lamp, and the condition that another part regional illumination is too dark is unfavorable for user's eyes ' protection.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an it is too strong still to have some regional illumination in the irradiation region of above-mentioned current desk lamp, and the condition that another partial regional illumination is too dark provides a rectangular type light guide lamp shade's desk lamp.

In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a rectangular leaded light lamp shade's desk lamp, is including the light source subassembly, lamp pole subassembly and the lamp stand that connect gradually, the light source subassembly includes lamp shade, light source and is used for with the diffusion subassembly that the light source sent evenly scatters out, the light source is located in the lamp shade just the light emitting area of light source with the vertical direction central line of lamp shade is formed with first contained angle, first contained angle is not more than 90, the light source with the diffusion subassembly links to each other.

In this technical scheme, the light that the light source sent passes through the outside even effluvium of diffusion subassembly, makes the illumination that the illumination area can receive the same intensity, and then can effectively protect user's eyes, it is required to explain that, the light that the light source sent is not the direct irradiation lamp shade outside, but through the outside effluvium of diffusion subassembly, so first contained angle is not more than the inner space that 90 setting can make full use of lamp shade, provides new thinking for exploring the light utilization ratio. This technical scheme has effectively solved the regional illumination of some too strong that traditional desk lamp exists, and the regional illumination of another part is dark problem.

Preferably, the light source with the inside wall of lamp shade links to each other just the light source with the lamp shade inside wall is formed with the second contained angle, the second contained angle is the acute angle. In the technical scheme, the arrangement that the light source is arranged on one side wall of the lampshade can enable the lampshade to have a larger space in the vertical direction, so that the diffusion component in the lampshade can be more scientifically arranged, and light rays emitted by the light source can be more effectively utilized; meanwhile, the second included angle is arranged to form an acute angle, so that light emitted by the light source can be irradiated into the lampshade completely, and then is uniformly diffused outwards through the diffusion assembly, the light source is prevented from directly irradiating the light to the outside of the lampshade, and the light intensity of the irradiation area of the desk lamp is further prevented from being influenced by the light source. In this embodiment, the lamp shade of leaded light is rectangular type, can increase the aesthetic property of desk lamp like this, and strip type lamp can let to dazzle light lower simultaneously, and the user can slow down the fatigue of eyes to a certain extent when using for a long time, and then prevents user's eyes myopia. It should be noted that other shapes of the lampshade 11, such as square, circular, etc., are also within the scope of the present embodiment.

Preferably, the diffusion component comprises diffusion paper and a first diffusion sheet, the light source, the diffusion paper and the first diffusion sheet are sequentially connected to form a cavity structure, and a light emitting surface of the light source is located in the cavity structure. In this technical scheme, the cross-section of diffusion paper is the arc structure, and diffusion paper is used for the even diffusion of light to first diffusion piece that the light source sent, and first diffusion piece is used for the even diffusion away of light that comes the diffusion paper transmission, and diffusion paper sets up to the arc and diffusion paper and the relative setting in light emitting area of light source can make the diffusion paper receive the light that the light source launched comprehensively.

Preferably, the light source is arranged on the inner side wall of the lampshade and attached to the inner side wall of the lampshade. In this technical scheme, the contained angle of light source and lamp shade inside wall is the straight angle, that is to say the second contained angle is the zero degree angle, and the light source side stands in the lamp shade promptly and is close to one side of inside wall, can make the inseparabler that light source and lamp shade are connected like this.

Preferably, the diffusion component comprises a light guide plate, reflective paper and a second diffusion sheet, the light emitting surface of the light source is connected with one side surface of the light guide plate, the reflective paper is located above the light guide plate and attached to the light guide plate, and the second diffusion sheet is located below the light guide plate and attached to the light guide plate. In this technical scheme, the even diffusion of light that the light source sent to the light guide plate, then the even diffusion of light that the second diffusion piece transmitted the light guide plate to gives out, the setting of reflection of light paper can make the more complete absorption light source of second diffusion piece send the light.

Preferably, a heat sink is disposed in the lamp cover, an open slot for limiting the position of the light source is disposed in the heat sink, and the light source is located in the open slot. In this technical scheme, the radiator can be for some materials of heat dissipation aluminium or other, and the heat that the light source produced can in time be eliminated in the setting of radiator, and then can increase the life of light source, and the setting of open slot can further increase the compactness of light source and radiator contact, and then makes the radiator play better heat dissipation effect to the light source.

Preferably, the lampshade comprises an upper cover and a lower cover which are detachably connected, and a transparent structure for allowing light to penetrate out is arranged in the lower cover. In this technical scheme, the setting of transparent construction can play certain guard action to diffusion components when guaranteeing that light distributes out to the outside among the diffusion components, it needs to explain that the lower cover sets up transparent construction into being used for the printing opacity open slot, hole or some other structures also be among this technical scheme's protection scope.

Preferably, the lamp post assembly comprises a first lamp post and a second lamp post, two ends of the first lamp post are respectively hinged to the light source assembly and one end of the second lamp post, and the other end of the second lamp post is connected to the lamp holder. In this technical scheme, the light source subassembly can rotate and first lamp pole can move at certain space within range around the pivoted setting of second lamp pole around first lamp pole by the light source subassembly, and then can increase the illumination zone of light source subassembly, it needs to explain that, second lamp pole and lamp stand can swing joint, also can be fixed connection, in addition between second lamp pole and the first lamp pole or between second lamp pole and the light source subassembly fixed connection's mode also among this technical scheme's protection scope.

Preferably, the lamp post assembly comprises a third lamp post, and two ends of the third lamp post are respectively hinged with the light source assembly and the lamp holder. In the technical scheme, the desk lamp can be folded conveniently, and the desk lamp is convenient to carry.

Preferably, the light source is a bar type light emitting panel. In this technical scheme, set up the light source into the strip type can further increase the irradiation area of light source, the light source sets up to the strip type more is convenient for the diffusion subassembly to give out even light simultaneously.

Compared with the prior art, the utility model discloses the beneficial effect who produces is:

in the present invention, one of the conditions is: the light emitted by the strip-shaped light-emitting plate is uniformly diffused to the first diffusion sheet through the diffusion paper, and then the light transmitted by the diffusion paper is uniformly diffused out through the strip-shaped lampshade by the first diffusion sheet. The other situation is as follows: the light emitted by the strip-shaped light-emitting plate is uniformly diffused on the second diffusion sheet by the light guide plate, and then the light transmitted by the light guide plate is uniformly diffused by the second diffusion sheet through the strip-shaped lampshade. That is, the light emitted by the light source is uniformly diffused outwards through the diffusion component, so that the irradiation area can receive the illumination with the same intensity, and the eyes of a user can be effectively protected. In this embodiment, the light that the light source sent is not the direct irradiation lamp shade outside, but outwards scatters through diffusion subassembly, so first contained angle is not more than the inner space that 90 settings can make full use of lamp shade, provides new thinking for exploring light utilization ratio. The utility model discloses effectively solved some regional illumination that traditional desk lamp exists and had crossed the dark problem of illumination of another part. And simultaneously, the utility model discloses the setting of well rectangular shape luminescent plate and rectangular shape lamp shade can increase the aesthetic property of desk lamp, and on the other hand also can make to dazzle light lower, and the user can slow down the fatigue of eyes to a certain extent when using for a long time, and then can prevent user's eyes myopia.

Drawings

FIG. 1 is an exploded view of example 1;

FIG. 2 is a schematic structural view of embodiment 1;

FIG. 3 is an enlarged view of A in FIG. 2;

FIG. 4 is an exploded view of example 2;

FIG. 5 is a schematic structural view of embodiment 2;

fig. 6 is an enlarged view of B in fig. 2.

In the drawings: 1. a light source assembly; 2. a light pole assembly; 3. a lamp socket; 4. a cavity structure; 5. a heat sink; 6. a first included angle; 7. a second included angle; 11. a lamp shade; 12. a light source; 13. a diffusion component; 21. a first lamp post; 22. a second light pole; 23. a third light pole; 51. an open slot; 111. an upper cover; 112. a lower cover; 113. a transparent structure; 121. a light emitting face; 131. a diffusion paper; 132. a first diffusion sheet; 133. a light guide plate; 134. reflective paper; 135. and a second diffusion sheet.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", "long", "short", etc. indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limiting the present patent, and those skilled in the art will understand the specific meaning of the terms according to their specific circumstances.

The technical solution of the present invention is further described in detail by the following specific embodiments in combination with the accompanying drawings:

example 1

As shown in fig. 1 to 3, a desk lamp with a strip-shaped light guide lampshade comprises a light source assembly 1, a lamp post assembly 2 and a lamp holder 3 which are connected in sequence, wherein the light source assembly 1 comprises a lampshade 11, a light source 12 and a diffusion assembly 13 for uniformly diffusing light emitted by the light source 12, the light source 12 is arranged in the lampshade 11, a first included angle 6 is formed between a light emitting surface 121 of the light source 12 and a central line of the lampshade 11 in the vertical direction, the first included angle 6 is not greater than 90 degrees, and the light source 12 is connected with the diffusion assembly 13. In this embodiment, the light that light source 12 sent passes through diffusion subassembly 13 and outwards evenly scatters out, makes the illumination that the illumination zone can receive the same intensity, and then can effectively protect user's eyes, it needs to explain that the light that light source 12 sent is not direct irradiation lamp shade 11 outside, but through diffusion subassembly 13 outwards scatters out, so first contained angle 6 is not more than 90 setting can make full use of lamp shade 11's inner space, provides new thinking for exploring light utilization ratio. The embodiment effectively solves the problems that the illumination of one part of the area is too strong and the illumination of the other part of the area is too dark in the traditional desk lamp.

The light source 12 is connected with the inner side wall of the lampshade 11, a second included angle 7 is formed between the light source 12 and the inner side wall of the lampshade 11, and the second included angle 7 is an acute angle. In the present embodiment, the light source 12 is installed on one side wall of the lampshade 11, so that the lampshade 11 has a larger space in the vertical direction, and thus the diffusion component 13 in the lampshade 11 can be installed more scientifically, and the light emitted by the light source 12 can be utilized more effectively; meanwhile, the second included angle 7 is arranged to form an acute angle, so that light emitted by the light source 12 can be completely irradiated inside the lampshade 11 and then uniformly diffused outwards through the diffusion component 13, the light source 12 is prevented from directly irradiating the light to the outside of the lampshade 11, and the light intensity of the irradiation area of the desk lamp is further prevented from being influenced by the light source 12. In this embodiment, the light guiding lampshade 11 is a strip-shaped, and the light source 12 is a strip-shaped structure corresponding to the lampshade 11, so that the aesthetic property of the desk lamp can be improved, and meanwhile, the strip-shaped lamp can reduce glare, so that the user can alleviate the fatigue of eyes to a certain extent when using the desk lamp for a long time, and further prevent the myopia of the eyes of the user. It should be noted that other shapes of the lampshade 11, such as square, circular, etc., are also within the scope of the present embodiment.

In addition, the diffusion component 13 includes diffusion paper 131 and a first diffusion sheet 132, the light source 12, the diffusion paper 131, and the first diffusion sheet 132 are connected in sequence to form a cavity structure 4, and the light emitting surface 121 of the light source 12 is located in the cavity structure 4. In this embodiment, the cross section of the diffusion paper 131 is an arc-shaped structure, the diffusion paper 131 is used for uniformly diffusing the light emitted from the light source 12 to the first diffusion sheet 132, the first diffusion sheet 132 is used for uniformly diffusing the light transmitted from the diffusion paper 131, and the diffusion paper 131 is arranged in an arc shape and the diffusion paper 131 is arranged opposite to the light emitting surface 121 of the light source 12 so that the diffusion paper 131 can receive the light emitted from the light source 12 on the whole surface.

Wherein, a heat sink 5 is arranged in the lampshade 11, an open groove 51 for limiting the position of the light source 12 is arranged in the heat sink 5, and the light source 12 is positioned in the open groove 51. In this embodiment, the heat sink 5 may be made of heat-dissipating aluminum or some other materials, the heat generated by the light source 12 may be eliminated in time by the heat sink 5, and the service life of the light source 12 may be further prolonged, and the tightness between the light source 12 and the heat sink 5 may be further increased by the arrangement of the open slot 51, so that the heat sink 5 may perform a better heat-dissipating function on the light source 12.

In addition, the lamp post assembly 2 includes a first lamp post 21 and a second lamp post 22, two ends of the first lamp post 21 are respectively hinged to one end of the light source assembly 1 and one end of the second lamp post 22, and the other end of the second lamp post 22 is connected to the lamp holder 3. In this embodiment, the light source assembly 1 can rotate around the first light pole 21 and the first light pole 21 can rotate around the second light pole 22, so that the light source assembly 1 can move within a certain space range, and further the irradiation area of the light source assembly 1 can be increased, it should be noted that the second light pole 22 and the lamp holder 3 can be movably connected or fixedly connected, and in addition, the manner of the fixed connection between the second light pole 22 and the first light pole 21 or between the second light pole 22 and the light source assembly 1 is also within the protection range of this embodiment.

In addition, the light source 12 is a stripe type light emitting panel. In this embodiment, the light source 12 is configured as a bar shape to further increase the irradiation area of the light source 12, and the light source 12 is configured as a bar shape to further facilitate the diffusion component 13 to emit uniform light.

Example 2

Similar to embodiment 1, as shown in fig. 4 to 6, in this embodiment, the light source 12 is disposed on the inner sidewall of the lampshade 11 and attached to the inner sidewall. In this embodiment, the included angle between the light source 12 and the inner side wall of the lamp housing 11 is a straight angle, that is, the second included angle 7 is a zero angle, that is, the light source 12 stands on the side of the lamp housing 11 close to the inner side wall, so that the light source 12 and the lamp housing 11 can be connected more tightly.

The diffusion assembly 13 includes a light guide plate 133, a reflective paper 134 and a second diffusion sheet 135, the light emitting surface 121 of the light source 12 is connected to a side surface of the light guide plate 133, the reflective paper 134 is located above the light guide plate 133 and attached to the light guide plate 133, and the second diffusion sheet 135 is located below the light guide plate 133 and attached to the light guide plate 133. In this embodiment, the light emitted from the light source 12 is uniformly diffused onto the light guide plate 133, and then the second diffusion sheet 135 uniformly diffuses the light transmitted from the light guide plate 133, and the light-reflecting paper 134 is disposed so that the second diffusion sheet 135 can more completely absorb the light emitted from the light source 12.

In addition, the lamp post assembly 2 comprises a third lamp post 23, and two ends of the third lamp post 23 are respectively hinged with the light source assembly 1 and the lamp holder 3. In this embodiment, the desk lamp can be folded conveniently, and the desk lamp is convenient to carry.

Example 3

As shown in fig. 1 to 6, in the present embodiment, the lampshade 11 includes an upper cover 111 and a lower cover 112 detachably connected, and a transparent structure 113 for light to pass through is disposed in the lower cover 112. In this embodiment, a groove is disposed in the upper cover 111, a protrusion corresponding to the groove is disposed in the lower cover 112, the upper cover 111 and the lower cover 112 are detachably connected through the protrusion and the groove, in addition, the transparent structure 113 is disposed to protect the diffusion component 13 while ensuring that light is emitted to the outside from the diffusion component 13, and it should be noted that the lower cover 112 is disposed to set the transparent structure 113 as an open slot 51, a hole or some other structure for transmitting light in the protection range of this embodiment.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. The utility model provides a rectangular type light guide lampshade's desk lamp which characterized in that: including light source subassembly (1), lamp pole subassembly (2) and lamp stand (3) that connect gradually, light source subassembly (1) include lamp shade (11), light source (12) and be used for with diffusion subassembly (13) that the light that light source (12) sent evenly scatters out, light source (12) are located in lamp shade (11) just light emitting area (121) of light source (12) with lamp shade (11) vertical direction central line is formed with first contained angle (6), first contained angle (6) are not more than 90, light source (12) with diffusion subassembly (13) link to each other.

2. The desk lamp with the elongated light guide lampshade of claim 1, wherein: light source (12) with the inside wall of lamp shade (11) links to each other just light source (12) with lamp shade (11) inside wall is formed with second contained angle (7), second contained angle (7) are the acute angle.

3. The desk lamp with the elongated light guide lampshade according to claim 1 or 2, wherein: diffusion subassembly (13) are including diffusion paper (131) and first diffusion piece (132), light source (12), diffusion paper (131), first diffusion piece (132) link to each other in proper order and are formed with cavity structure (4), light emitting area (121) of light source (12) are located in cavity structure (4).

4. The desk lamp with the elongated light guide lampshade of claim 1, wherein: the light source (12) is arranged on the inner side wall of the lampshade (11) and is attached to the inner side wall.

5. The desk lamp with the elongated light guide lampshade according to claim 1 or 4, wherein: diffusion subassembly (13) include light guide plate (133), reflection of light paper (134) and second diffusion piece (135), the light emitting area (121) of light source (12) with a side of light guide plate (133) links to each other, reflection of light paper (134) are located the top of light guide plate (133) and with light guide plate (133) are laminated mutually, second diffusion piece (135) are located the below of light guide plate (133) and with light guide plate (133) are laminated mutually.

6. The desk lamp with the elongated light guide lampshade of claim 1, wherein: be equipped with radiator (5) in lamp shade (11), be equipped with in radiator (5) and be used for injecing open slot (51) of light source (12) position, light source (12) are located in open slot (51).

7. The desk lamp with the elongated light guide lampshade of claim 1, wherein: the lampshade (11) comprises an upper cover (111) and a lower cover (112) which are detachably connected, and a transparent structure (113) for light to penetrate out is arranged in the lower cover (112).

8. The desk lamp with the elongated light guide lampshade of claim 1, wherein: the lamp post assembly (2) comprises a first lamp post (21) and a second lamp post (22), two ends of the first lamp post (21) are hinged to one ends of the light source assembly (1) and the second lamp post (22) respectively, and the other end of the second lamp post (22) is connected with the lamp holder (3).

9. The desk lamp with the elongated light guide lampshade of claim 1, wherein: the lamp post assembly (2) comprises a third lamp post (23), and two ends of the third lamp post (23) are respectively hinged with the light source assembly (1) and the lamp holder (3).

10. The desk lamp with the elongated light guide lampshade of claim 1, wherein: the light source (12) is a strip-type light emitting panel.

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