CN212840897U - LED table lamp - Google Patents
LED table lamp Download PDFInfo
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- CN212840897U CN212840897U CN202021821663.7U CN202021821663U CN212840897U CN 212840897 U CN212840897 U CN 212840897U CN 202021821663 U CN202021821663 U CN 202021821663U CN 212840897 U CN212840897 U CN 212840897U
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Abstract
The utility model relates to a desk lamp field specifically discloses a LED desk lamp, include: a support table; the support frame is arranged on the support table; the plug-in lamp holder is arranged on the support frame; be provided with the lamp holder on the grafting lamp stand, the lamp holder includes: a lamp housing; the lamp cover is connected to the lamp shell; the lamp shell is provided with a mounting cavity with a downward opening, a boss is formed by downward protrusion of the upper wall surface of the mounting cavity, an annular gap is formed between the boss and the inner wall of the lamp shell, positioning columns are distributed in the annular gap at intervals, a radiator is arranged in the lamp shell through the positioning columns, the lower end of the radiator is connected with a concave lens, and a light-emitting component is arranged between the radiator and the concave lens. The utility model discloses whole power has been reduced to reduce LED table lamp calorific capacity, thereby promote LED table lamp luminous efficiency, practice thrift the electric energy.
Description
Technical Field
The utility model relates to a desk lamp technical field, more specifically say, relate to a LED desk lamp.
Background
In the prior art, an LED desk lamp mainly comprises a desk lamp support, an LED light-emitting lamp panel and a light diffusion plate. The desk lamp support is used for fixing the LED light-emitting lamp panel and the light diffusion plate, and light emitted by the LED light-emitting lamp panel directly illuminates the desktop after passing through the light diffusion plate.
The light diffusion plate uniformly diffuses light emitted by the LEDs on the light emitting surface of the desk lamp, the inherent light emitting angle of the LED lamp beads is 120 degrees, so that the brightness in the center of the desk lamp is the maximum value, and the brightness at the edge of the irradiation range of the desk lamp is very dark, so that the brightness of the desk lamp on a desktop is non-uniform, and the bright and dark layers are distinct; in order to increase the edge brightness of the irradiation range of the desk lamp, the power of the LED lamp beads needs to be increased, so that the overall power of the desk lamp is increased, and the temperature of the desk lamp is increased; the central brightness of the LED desk lamp is increased after the power of the LED lamp beads is increased, eyes of a user can be stimulated or damaged, and the LED desk lamp is not suitable for learning. In summary, the existing LED table lamp has the following disadvantages:
1. the luminous is uneven, the brightness and the darkness are distinct, and the lamp is not suitable for learning and use.
2. Because the edge brightness of the irradiation range of the desk lamp needs to be increased, the power of the LED desk lamp is increased, the integral heat productivity of the desk lamp is increased, and the electric energy waste is caused.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a LED table lamp, in order to solve the problem that in the prior art, the luminescence is uneven, the brightness and the shade are distinct, and the LED table lamp is not suitable for study and use; and the whole heating value of the desk lamp is increased, so that the electric energy is wasted.
In order to achieve the above purpose, the utility model provides a following technical scheme:
an LED desk lamp comprising:
a support table;
the supporting frame is arranged on the supporting table;
the plug-in lamp holder is arranged on the support frame;
wherein, be provided with the lamp holder on the grafting lamp stand, the lamp holder includes:
a lamp housing;
the lamp cover is connected to the lamp shell;
the lamp body is provided with a mounting cavity with a downward opening, a boss is formed by downward protruding of the upper wall surface of the mounting cavity, an annular gap is formed between the boss and the inner wall of the lamp body, positioning columns are distributed in the annular gap at intervals, a radiator is arranged in the lamp body through the positioning columns, the lower end of the radiator is connected with a concave lens, and a light-emitting component is arranged between the radiator and the concave lens.
Preferably, the periphery of the outer side wall of the heat sink is provided with a positioning groove corresponding to the positioning column, so that the heat sink is mounted and positioned in the lamp housing.
Preferably, the boss is provided with a first positioning screw hole, and the radiator is provided with a second positioning screw hole corresponding to the first positioning screw hole.
Preferably, the upper surface of the radiator is provided with a heat dissipation groove, the boss is positioned in the heat dissipation groove, a first heat dissipation hole penetrates through the inner side wall of the heat dissipation groove, and a second heat dissipation hole is formed in the lamp shell corresponding to the first heat dissipation hole.
Preferably, the thickness of the boss is smaller than the depth of the heat dissipation groove.
Preferably, the concave lens includes:
a lens base;
the lens body is arranged in the middle of the lens base;
and the periphery of the outer side wall of the lens base is provided with a limiting groove corresponding to the positioning column so as to be used for installing and positioning the concave lens in the lamp shell.
Preferably, the light emitting assembly is adhered to the lower surface of the heat sink.
Preferably, the positioning column is provided with a third positioning screw hole, and the lamp cover is provided with a fourth positioning screw hole corresponding to the third positioning screw hole.
Preferably, the support frame comprises:
a first support bar;
a second support bar;
the connecting piece is provided with a transverse connecting hole and a longitudinal connecting hole;
the first support rod is located in the longitudinal connecting hole, the second support rod is located in the transverse connecting hole, the lower end of the first support rod is inserted into the plug-in lamp holder, and the plug-in lamp holder is arranged on the second support rod.
According to the above technical scheme, the utility model discloses a beneficial effect does: the utility model discloses simple structure, design benefit adjusts the light angle that light emitting component sent through concave lens, also makes the light that the desk lamp sent shine out dispersedly, for traditional LED desk lamp, has reduced the bulk power to reduce LED desk lamp calorific capacity, thereby promote LED desk lamp luminous efficiency, practice thrift the electric energy.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of an LED desk lamp provided in an embodiment of the present invention;
fig. 2 is a schematic diagram of an explosion structure of an LED desk lamp according to an embodiment of the present invention;
fig. 3 is a bottom view of the lamp housing according to the embodiment of the present invention.
In the figure: 1-a support table; 2-a support frame; 3-inserting a lamp holder; 4-a lamp holder; 40-a lamp housing; 41-lamp cover; 400-mounting a cavity; 401-boss; 402-an annular void; 403-positioning columns; 5-a radiator; 404-a concave lens; 6-a light emitting component; 7-a light-transmitting mirror; 50-positioning the groove; 401 a-first positioning screw hole; 51-a second positioning screw hole; 404 a-a lens holder; 404 b-mirror body; 404 c-a limit groove; 403 a-third positioning screw hole; 410-a fourth positioning screw hole; 20-a first support bar; 21-a second support bar; 22-connecting piece.
Detailed Description
As shown in fig. 1-3, an LED desk lamp comprising: a support table 1; the support frame 2 is arranged on the support table 1; the plug-in lamp holder 3 is arranged on the support frame 2; be provided with lamp holder 4 on the grafting lamp stand 3, lamp holder 4 includes: a lamp housing 40; the lamp cover 41 is connected to the lamp housing 40; the lamp housing 40 is provided with a mounting cavity 400 with a downward opening, a boss 401 is formed by downward protruding of the upper wall surface of the mounting cavity 400, an annular gap 402 is formed between the boss 401 and the inner wall of the lamp housing 40, positioning columns 403 are distributed in the annular gap 402 at intervals, a heat sink 5 is arranged in the lamp housing 40 through the positioning columns 403, the lower end of the heat sink 5 is connected with a concave lens 404, and a light emitting component 6 is arranged between the heat sink 5 and the concave lens 404.
Specifically, the heat sink 5 enters from the opening of the mounting cavity 400 of the lamp housing 40, the positioning groove of the heat sink 5 is aligned with the positioning column 403 to be installed, at this time, the positioning column 403 plays a guiding function to guide the heat sink 5 to enter the lamp housing 40, and the heat sink 5 is continuously pushed to the bottom, so that the upper end edge of the heat sink 5 is placed in the annular gap 402; the length of the positioning column is greater than the thickness of the boss.
In addition, the boss 401 is cylindrical, the positioning column 403 is semi-cylindrical, the positioning column 403 and the lamp housing 40 are integrally formed, the rear end of the positioning column 403 is connected with the inner wall of the lamp housing 40, when the heat sink 5 is installed in the lamp housing 40, the positioning groove of the heat sink 5 is matched with the three positioning columns 403, so that the circumferential direction of the heat sink 5 is fixed, and the stability of the heat sink 5 in the lamp housing 40 can be ensured.
In addition, lamp lid 41 lower surface sets up to bowl-shaped structure, corresponds concave lens 404 in the middle part of lamp lid 41, light-emitting component 6's position is provided with logical light mirror 7, is provided with the frosting on logical light mirror 7, can reduce light-emitting component 6 through concave lens 404 effectively and follow the luminance that leads to light mirror 7 and jet out light through the setting on frosting, makes the light of jet out softer comfortable more, increases user's comfort.
As shown in fig. 1-3, in an alternative embodiment of the LED desk lamp, a positioning groove 50 is disposed on a peripheral edge of an outer side wall of the heat sink 5 corresponding to the positioning column 403, so that the heat sink 5 is installed and positioned in the lamp housing 40. Specifically, the positioning groove 50 is used to cooperate with the positioning post 403.
As shown in fig. 1 to 3, in an alternative embodiment of the LED desk lamp, a first positioning screw hole 401a is disposed on the boss 401, and a second positioning screw hole 51 is disposed on the heat sink 5 corresponding to the first positioning screw hole 401 a. Specifically, the fixing screws are screwed in from the second positioning screw holes 51 and further screwed in the first positioning screw holes 401a, so that the heat sink 5 is fixed on the bosses 401, and the stability of the heat sink 5 is further improved.
In an optional embodiment of the LED desk lamp, a heat dissipation groove is formed on the upper surface of the heat sink 5, the boss 401 is located in the heat dissipation groove, a first heat dissipation hole is formed through the inner side wall of the heat dissipation groove, and a second heat dissipation hole (not shown) is formed on the lamp housing 40 corresponding to the first heat dissipation hole (not shown). Specifically, the first heat dissipation hole is located at a position lower than the outer periphery of the heat sink 5, and the first heat dissipation hole is communicated with the inside of the heat dissipation groove, and the boss 401 does not block or shield the first heat dissipation hole, and the second heat dissipation hole corresponds to the position of the first heat dissipation hole, so that the heat in the lamp housing 40 can be effectively discharged through the first heat dissipation hole and the second heat dissipation hole. In addition, the first heat dissipation hole and the second heat dissipation hole are symmetrically arranged in the heat sink 5 and the lamp housing 40, and an inlet and outlet passage can be formed by the arrangement, when wind enters from the first heat dissipation hole and the second heat dissipation hole at one end, the wind can be discharged from the first heat dissipation hole and the second heat dissipation hole at the other end, and therefore the heat dissipation speed in the lamp housing 40 is increased.
In an alternative embodiment of the LED desk lamp, the thickness of the boss 401 is smaller than the depth of the heat sink. Specifically, the diameter of the boss 401 matches the diameter of the heat sink, and when the heat sink 5 is mounted to the lamp housing 40, the heat sink 5 can be pushed into the annular gap, while the boss 401 can be placed in the heat sink. The diameter of the boss 401 cannot be too small, if the diameter of the boss 401 is too small, a gap exists between the heat sink 5 and the boss 401, and when the heat sink 5 and the boss 401 are fixed by screws, the first positioning screw hole 401a and the second positioning screw hole 51 cannot be aligned well, so that the mounting and fixing difficulty is increased.
As shown in fig. 1-3, in an alternative embodiment of the LED desk lamp, the concave lens 404 comprises: a lens mount 404 a; the mirror body 404b is arranged in the middle of the mirror base 404 a; a limiting groove 404c is formed on the outer side wall of the lens base 404a along the circumference corresponding to the positioning column 403, so that the concave lens 404 is installed and positioned in the lamp housing 40. Specifically, the limiting groove 404c is matched with the positioning column 403, so that the concave lens 404 cannot move randomly in the lamp housing 40, and plays a role in positioning and fixing.
In an alternative embodiment of the LED desk lamp, as shown in fig. 1-3, the light emitting assembly 6 is adhered to the lower surface of the heat sink 5. Specifically, light-emitting component 6 is COB lamp pearl.
As shown in fig. 1 to 3, in an alternative embodiment of the LED desk lamp, a third positioning screw hole 403a is formed on the positioning column 403, and a fourth positioning screw hole 410 is formed on the lamp cover 41 corresponding to the third positioning screw hole 403 a. Specifically, the lamp cover 41 is screwed in from the fourth position screw hole by the fixing screw and fixed in the third positioning screw hole 403a, thereby fixing the lamp cover 41 and the lamp housing 40.
As shown in fig. 1 to 3, in an alternative embodiment of the LED desk lamp, the supporting frame 2 includes: a first support rod 20; a second support bar 21; a connecting member 22 provided with a transverse connecting hole and a longitudinal connecting hole; the first support rod 20 is located in the longitudinal connecting hole, the second support rod 21 is located in the transverse connecting hole, the lower end of the first support rod 20 is inserted into the plug-in lamp holder 3, and the plug-in lamp holder 3 is arranged on the second support rod 21.
Specifically, the first support rod 20 and the second support rod 21 are combined through the connecting member 22, the first support rod 20 and the second support rod 21 are combined to be in a cross shape, the first support rod 20 and the second support rod 21 can move in the longitudinal connecting hole and the transverse connecting hole respectively, and a user can adjust the positions of the first support rod 20 and the second support rod 21 by himself or herself according to needs, so as to adjust the position of the lamp head 4.
In an alternative embodiment of the LED table lamp, an annular rubber ring is arranged on the lower surface of the support table 1 to enhance the friction force at the bottom of the support table 1; in addition, a storage tank is provided in parallel on the upper surface of the support base 1 and on one side of the first support rod 20.
According to the above technical scheme, the utility model discloses a beneficial effect does: the utility model discloses simple structure, design benefit adjusts the light angle that light-emitting component 6 sent through concave lens 404, also makes the light that the desk lamp sent shine out dispersedly, for traditional LED desk lamp, has reduced the bulk power to reduce LED desk lamp calorific capacity, thereby promote LED desk lamp optical efficiency, practice thrift the electric energy.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. An LED desk lamp comprising:
a support table;
the supporting frame is arranged on the supporting table;
the plug-in lamp holder is arranged on the support frame;
wherein, be provided with lamp holder, its characterized in that on the grafting lamp stand: the lamp cap includes:
a lamp housing;
the lamp cover is connected to the lamp shell;
the lamp body is provided with a mounting cavity with a downward opening, a boss is formed by downward protruding of the upper wall surface of the mounting cavity, an annular gap is formed between the boss and the inner wall of the lamp body, positioning columns are distributed in the annular gap at intervals, a radiator is arranged in the lamp body through the positioning columns, the lower end of the radiator is connected with a concave lens, and a light-emitting component is arranged between the radiator and the concave lens.
2. The LED table lamp of claim 1, wherein a positioning groove is formed on the periphery of the outer side wall of the heat sink corresponding to the positioning column, so that the heat sink can be mounted and positioned in the lamp housing.
3. The LED table lamp of claim 1, wherein the boss is provided with a first positioning screw hole, and the heat sink is provided with a second positioning screw hole corresponding to the first positioning screw hole.
4. The LED table lamp of claim 1, wherein a heat sink is disposed on the top surface of the heat sink, the boss is disposed in the heat sink, a first heat dissipation hole is disposed through the inner sidewall of the heat sink, and a second heat dissipation hole is disposed on the lamp housing corresponding to the first heat dissipation hole.
5. The LED table lamp of claim 4, wherein the thickness of the boss is smaller than the depth of the heat sink.
6. The LED desk lamp of claim 2, wherein the concave lens comprises:
a lens base;
the lens body is arranged in the middle of the lens base;
and the periphery of the outer side wall of the lens base is provided with a limiting groove corresponding to the positioning column so as to be used for installing and positioning the concave lens in the lamp shell.
7. The LED desk lamp of claim 1, wherein the light emitting element is adhered to the lower surface of the heat sink.
8. The LED table lamp of claim 1, wherein a third positioning screw hole is formed in the positioning column, and a fourth positioning screw hole is formed in the lamp cover corresponding to the third positioning screw hole.
9. The LED table lamp of claim 1, wherein the support frame comprises:
a first support bar;
a second support bar;
the connecting piece is provided with a transverse connecting hole and a longitudinal connecting hole;
the first support rod is located in the longitudinal connecting hole, the second support rod is located in the transverse connecting hole, the lower end of the first support rod is inserted into the plug-in lamp holder, and the plug-in lamp holder is arranged on the second support rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021821663.7U CN212840897U (en) | 2020-08-26 | 2020-08-26 | LED table lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021821663.7U CN212840897U (en) | 2020-08-26 | 2020-08-26 | LED table lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212840897U true CN212840897U (en) | 2021-03-30 |
Family
ID=75141483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021821663.7U Active CN212840897U (en) | 2020-08-26 | 2020-08-26 | LED table lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212840897U (en) |
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2020
- 2020-08-26 CN CN202021821663.7U patent/CN212840897U/en active Active
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