CN219243384U - Desk lamp with good heat radiation structure - Google Patents
Desk lamp with good heat radiation structure Download PDFInfo
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- CN219243384U CN219243384U CN202222466317.7U CN202222466317U CN219243384U CN 219243384 U CN219243384 U CN 219243384U CN 202222466317 U CN202222466317 U CN 202222466317U CN 219243384 U CN219243384 U CN 219243384U
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- heat dissipation
- arm
- desk lamp
- lamp
- strip
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The utility model provides a desk lamp with good heat dissipation structure, comprising: the LED lamp comprises a base, a lamp cap, a light-emitting element, a heat dissipation base and a first heat dissipation strip; the base is connected with the lamp cap; the lamp cap comprises a head part and an arm part, wherein the head part is connected with the arm part, a first end of the arm part along the length direction of the arm part is connected with the base, a second end of the arm part along the length direction of the arm part is connected with the head part, the head part is in a cylinder shape with a bottom, and one end of the head part is open; the head part is internally provided with a first mounting cavity, the arm part is internally provided with a second mounting cavity, and the first mounting cavity is communicated with the second mounting cavity; the light-emitting element is arranged in the first mounting cavity; the heat dissipation seat is arranged in the first mounting cavity; the radiating seat is arranged on the end surface of the light-emitting element far away from the opening and is connected with the light-emitting element; the first heat dissipation strip is arranged in the second mounting cavity along the length direction of the arm part, and is connected with the heat dissipation seat. The desk lamp has the characteristics of good heat dissipation performance, good dimming experience and the like.
Description
Technical Field
The utility model relates to the technical field of lamps, in particular to a desk lamp with a good heat dissipation structure.
Background
The LED desk lamp can produce heat at the during operation, needs in time dispel the heat, otherwise can influence the life of LED desk lamp, and the heat radiation structure of current heat dissipation LED desk lamp often dispels the heat at the great sheetmetal of lamp holder setting, and heat radiation structure is poor, and when removing lamp holder adjustment illumination angle, because lamp holder temperature is higher, direct touch lamp holder is scalder, and user experience is poor.
Disclosure of Invention
The utility model aims to provide a desk lamp with a good heat dissipation structure.
In order to achieve the above object, the present utility model provides a desk lamp with a good heat dissipation structure, comprising: the LED lamp comprises a base, a lamp cap, a light-emitting element, a heat dissipation base and a first heat dissipation strip; the base is connected with the lamp cap; the lamp cap comprises a head and an arm part, wherein the head is connected with the arm part, a first end of the arm part along the length direction of the arm part is connected with the base, and a second end of the arm part along the length direction of the arm part is connected with the head part; the head part is in a cylinder shape with a bottom, and one end of the head part is open; the head part is internally provided with a first mounting cavity, the arm part is internally provided with a second mounting cavity, and the first mounting cavity is communicated with the second mounting cavity; the light-emitting element is arranged in the first mounting cavity; the heat dissipation seat is arranged in the first mounting cavity; the radiating seat is arranged on the end surface of the light-emitting element far away from the opening and is connected with the light-emitting element; the first heat dissipation strip is arranged in the second mounting cavity along the length direction of the arm part, and is connected with the heat dissipation seat.
According to the scheme, the heat dissipation structure is used for dissipating heat by arranging the first heat dissipation strips to be matched with the heat dissipation base, heat generated by the light-emitting element can be conducted to the first heat dissipation strips, the heat is further conducted to the outside through the first heat dissipation strips, and the heat dissipation performance is enhanced.
Further, an opening is formed below the arm, and the first heat dissipation strip is located at the opening.
Thus, the heat dissipation speed can be increased.
The further scheme is that the opening is provided with a heat dissipation fin, and the heat dissipation fin is connected with the first heat dissipation strip.
From this, it can be seen that the heat dissipation speed can be further increased.
Further, the arm is provided with a control panel above the opening.
The heat-insulating cavity is arranged between the heat-radiating seat and the inner wall of the head.
It follows that the temperature of the outer surface of the head can be reduced.
The further scheme is that the desk lamp further comprises a second heat dissipation strip, the second heat dissipation strip is perpendicular to the first heat dissipation strip, the first heat dissipation strip is connected to the second heat dissipation strip along the first end of the length direction of the second heat dissipation strip, and the second heat dissipation strip is connected to the heat dissipation seat along the second end of the length direction of the second heat dissipation strip.
Further scheme is, the desk lamp includes lamp arm subassembly, and the base is connected to lamp arm subassembly, and the first end of arm is connected to lamp arm subassembly.
Further, the heat sink is disk-shaped.
Further, the outer surface of the arm part is provided with a control panel.
The desk lamp further comprises a fixing seat and a lens module, wherein the fixing seat and the lens module are arranged in the first mounting cavity; the inner wall of the head part is provided with a raised annular groove, the fixing seat is provided with a first clamping part, and the first clamping part is abutted against the annular groove; the lens module is provided with a second clamping part which is clamped with the inner wall of the head part; the end face of the light-emitting element, which is close to the opening, is connected with the fixing seat, and the end face of the fixing seat, which is far away from the light-emitting element, is connected with the lens module.
The lens module comprises an optical diffusion sheet and a secondary optical reflector; the end face, far away from the opening, of the optical diffusion sheet is connected with the fixing seat, and the end face, close to the opening, of the optical diffusion sheet is connected with the secondary optical reflector; the secondary optical reflector is connected with the inner wall of the lamp holder.
Drawings
Fig. 1 is a schematic structural diagram of a desk lamp with a good heat dissipation structure.
Fig. 2 is a schematic structural diagram of a lamp cap of the desk lamp with a good heat dissipation structure.
Fig. 3 is a schematic view of a desk lamp with a good heat dissipation structure with its inner structure removed.
Fig. 4 is an exploded view of a lamp base of the desk lamp with a good heat dissipation structure.
Fig. 5 is a cross-sectional view of a lamp head of a desk lamp with a good heat dissipation structure according to the present utility model.
The utility model is further described below with reference to the drawings and examples.
Detailed Description
According to the utility model, the heat dissipation seat is matched with the first heat dissipation strip to dissipate heat, so that a good heat dissipation effect can be realized.
Referring to fig. 1, the desk lamp with good heat dissipation structure of the present embodiment includes a base plate 11, a base 12, a lamp arm assembly, a lamp cap 15, a light emitting element 16, a heat dissipation base 17, a first heat dissipation strip 18, a second heat dissipation strip 19, a fixing base 20, a control panel 21, a lens module 22, an illumination sensor 23, heat dissipation fins 24, and a mounting base 25. The lamp arm assembly comprises a first lamp arm 13 and a second lamp arm 14, wherein the head 151 is connected with the arm 152, and the arm 152 is connected with the second lamp arm 14; the lens module 22 includes an optical diffusion sheet 221 and a secondary optical mirror 222; the light emitting element 16 is an LED chip.
The base 12 is provided on the bottom plate 11. The first end of the first light arm 13 is hinged to the base 12, the first end of the second light arm 14 is hinged to the second end of the first light arm 13, the second end of the second light arm 14 is connected to the lamp cap 15, the first end and the second end of the first light arm 13 are two ends in the length direction of the first light arm 13, and the first end and the second end of the second light arm 14 are two ends in the length direction of the second light arm 14. It will be appreciated that in other embodiments, the first lamp arm 13 and the second lamp arm 14 may not be provided, where the first end of the arm 152 in the lamp cap 15 is directly connected to the base 12, the second end of the arm 152 is connected to the head 151, the first end and the second end of the arm 152 are both ends along the length direction of the arm, and the connection manner of the arm 152 and the base 12 may be hinged.
The head 151 is in a bottomed tubular shape, and one end of the head 151 is open, i.e., the opening 31. The head 151 is provided with a first mounting cavity 1551, the light emitting element 16 and the heat dissipation base 17 are both arranged in the first mounting cavity 1551, and the heat dissipation base 17 is arranged on the end face, far away from the opening 31, of the light emitting element 16 and is connected with the light emitting element 16. The heat sink 17 has a disk shape so as to be matched with the first mounting cavity 1551. The heat insulation cavity 32 is arranged between the heat dissipation seat 17 and the inner wall of the head, and the temperature on the inner wall of the head 151 can be reduced when the light-emitting element 16 works due to the arrangement of the heat insulation cavity 32, so that a user can conveniently adjust the illumination angle by rotating the lamp cap 15.
The arm 152 has a second mounting cavity 1552 therein, and the first heat sink strip 18 is disposed in the second mounting cavity 1552 along a length direction of the arm 152.
The head 151 is connected to the arm 152, the first installation cavity 1551 is communicated with the second installation cavity 1552, the first installation cavity 1551 is a space surrounded by a shell of the head 151, and the second installation cavity 1552 is a space surrounded by a shell of the wall 152. Thereby, the first heat sink 18 may be directly connected with the heat sink 17. In this embodiment, the second heat dissipating strip 19 is perpendicular to the first heat dissipating strip 18, a first end of the second heat dissipating strip 19 along the length direction of the second heat dissipating strip 19 is connected to the first heat dissipating strip 18, and a second end along the length direction of the second heat dissipating strip 19 is connected to the heat dissipating seat 17.
It should be noted that, the heat dissipation base 17, the first heat dissipation strip 18, and the second heat dissipation strip 19 may be integrally formed by stamping, and all use the same metal material. The heat dissipation seat 17, the first heat dissipation strip 18 and the second heat dissipation strip 19 can be all discrete components, the heat dissipation seat 17 is connected with the second heat dissipation strip 19, and the second heat dissipation strip 19 is connected with the first heat dissipation strip 18 to form a heat dissipation structure.
The end face of the arm 152 facing the opening is provided with an illumination sensor 23.
The arm 152 is provided with an opening 34 along a lower portion thereof, and the first heat sink strip 18 is located at the opening 34. The openings 34 may enable heat from the first heat sink strip 18 to be conducted to the external environment, thereby increasing the heat dissipation rate. The opening 34 is further provided with a heat dissipation fin 24, one end of the heat dissipation fin 24 is connected to the first heat dissipation strip 18, and the other end is a free end, and the free end is exposed to the external environment. Since the free ends of the heat dissipation fins 24 are located in the external environment, the heat of the first heat dissipation strips 18 can be conducted out to the outside through the heat dissipation fins 24, and the heat dissipation speed is increased. A control panel 21 is further arranged above the opening 34, and illumination parameters such as brightness, color temperature and the like are adjusted through the control panel 21. It will be appreciated that "above" and "below" may be defined in terms of the actual placement of the arms.
The fixing base 20 and the lens module 22 are disposed in the first mounting cavity 1551. The inner wall of the head 151 is provided with a raised ring groove 1553, the fixing seat 20 is connected with a first clamping part 201, and the first clamping part 201 abuts against the ring groove 1553. The lens module 22 is provided with a second clamping portion 223, and the second clamping portion 223 is clamped with the inner wall of the head 151. The end face of the light-emitting element 16, which is close to the opening, is arranged in the mounting seat 25, the mounting seat 25 is connected with the fixing seat 20, and the end face of the fixing seat 20, which is far away from the light-emitting element 16, is connected with the lens module 22. The lens module 22 includes an optical diffusion sheet 221 and a secondary optical mirror 222, wherein an end surface of the optical diffusion sheet 221 far from the opening is connected with the fixing base 20, an end surface of the optical diffusion sheet 221 near the opening is connected with the secondary optical mirror 222, and the secondary optical mirror 222 is connected with an inner wall of the head 151.
According to the utility model, the first radiating strip is arranged to be matched with the radiating seat for radiating, the heat generated by the light-emitting element can be transmitted to the first radiating strip, the heat is further transmitted to the outside through the first radiating strip, the radiating performance is enhanced, and the temperature of the head is lower when the head is moved to adjust the illumination angle due to the fact that the first radiating strip is arranged in the arm, so that the user experience is better.
Claims (10)
1. The desk lamp with the good heat dissipation structure is characterized by comprising a base, a lamp cap, a light-emitting element, a heat dissipation base and a first heat dissipation strip, wherein the base is connected with the lamp cap;
the lamp holder comprises a head part and an arm part, wherein the head part is connected with the arm part, a first end of the arm part along the length direction of the arm part is connected with the base, and a second end of the arm part along the length direction of the arm part is connected with the head part; the head is in a cylinder shape with a bottom, one end of the head is open, a first mounting cavity is arranged in the head, a second mounting cavity is arranged in the arm, and the first mounting cavity is communicated with the second mounting cavity;
the light-emitting element and the heat dissipation seat are both arranged in the first mounting cavity, and the heat dissipation seat is arranged on the end surface of the light-emitting element far away from the opening and is connected with the light-emitting element;
the first heat dissipation strip is arranged in the second mounting cavity along the length direction of the arm part, and is connected with the heat dissipation seat.
2. The desk lamp with good heat dissipation structure as recited in claim 1, wherein:
an opening is arranged below the arm part, and the first heat dissipation strip is positioned at the opening.
3. The desk lamp with good heat dissipation structure as recited in claim 2, wherein:
the opening is provided with a heat dissipation fin, and the heat dissipation fin is connected with the first heat dissipation strip.
4. The desk lamp with good heat dissipation structure as recited in claim 2, wherein:
the arm is provided with a control panel above the opening.
5. The desk lamp with good heat dissipation structure as recited in claim 1, wherein:
a heat insulation cavity is arranged between the heat dissipation seat and the inner wall of the head.
6. The desk lamp with good heat dissipation structure as recited in claim 1, wherein:
the desk lamp further comprises a second heat dissipation strip, the second heat dissipation strip is perpendicular to the first heat dissipation strip, the second heat dissipation strip is connected with the first heat dissipation strip along the first end of the second heat dissipation strip in the length direction, and the second heat dissipation strip is connected with the heat dissipation seat along the second end of the second heat dissipation strip in the length direction.
7. The desk lamp with good heat dissipation structure as recited in claim 1, wherein:
the desk lamp comprises a lamp arm assembly, wherein the lamp arm assembly is connected with the base, and the lamp arm assembly is connected with the first end of the arm.
8. The desk lamp with good heat dissipation structure as recited in claim 1, wherein:
the heat dissipation seat is disc-shaped.
9. The desk lamp with good heat dissipation structure as recited in claim 1, wherein:
the desk lamp further comprises a fixing seat and a lens module, wherein the fixing seat and the lens module are arranged in the first mounting cavity;
the inner wall of the head part is provided with a raised annular groove, the fixing seat is provided with a first clamping part, and the first clamping part is abutted against the annular groove;
the lens module is provided with a second clamping part which is clamped with the inner wall of the head part;
the end face, close to the opening, of the light-emitting element is connected with the fixing base, and the end face, far away from the light-emitting element, of the fixing base is connected with the lens module.
10. The desk lamp with good heat dissipation structure as recited in claim 9, wherein:
the lens module comprises an optical diffusion sheet and a secondary optical reflector;
the end face, far away from the opening, of the optical diffusion sheet is connected with the fixing seat, and the end face, close to the opening, of the optical diffusion sheet is connected with the secondary optical reflector;
the secondary optical reflector is connected with the inner wall of the lamp cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222466317.7U CN219243384U (en) | 2022-09-16 | 2022-09-16 | Desk lamp with good heat radiation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222466317.7U CN219243384U (en) | 2022-09-16 | 2022-09-16 | Desk lamp with good heat radiation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219243384U true CN219243384U (en) | 2023-06-23 |
Family
ID=86847512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222466317.7U Active CN219243384U (en) | 2022-09-16 | 2022-09-16 | Desk lamp with good heat radiation structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219243384U (en) |
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2022
- 2022-09-16 CN CN202222466317.7U patent/CN219243384U/en active Active
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