CN210345046U - Heat dissipation type LED bulb - Google Patents
Heat dissipation type LED bulb Download PDFInfo
- Publication number
- CN210345046U CN210345046U CN201921305943.XU CN201921305943U CN210345046U CN 210345046 U CN210345046 U CN 210345046U CN 201921305943 U CN201921305943 U CN 201921305943U CN 210345046 U CN210345046 U CN 210345046U
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- China
- Prior art keywords
- heat dissipation
- heat
- circuit board
- led bulb
- light
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- Expired - Fee Related
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The utility model discloses a heat dissipation type LED bulb, its technical scheme main points include the lamp body, set up at the inside light-emitting component of lamp body and set up the lamp holder in the lamp body outside, the inside of lamp body is provided with an installation section of thick bamboo, light-emitting component is including installing the circuit board on an installation section of thick bamboo and installing a plurality of light-emitting component on the circuit board, one side that light-emitting component was kept away from to the circuit board is provided with the conducting strip, form the heat dissipation chamber between an installation section of thick bamboo and the lamp body, be provided with the louvre on the lamp body, the inside in heat dissipation chamber is provided with. The utility model discloses have good heat conduction radiating effect, can give off the heat that the bulb produced to increase the whole radiating effect of bulb.
Description
Technical Field
The utility model relates to a bulb, more specifically say that it relates to a heat dissipation type LED bulb.
Background
An LED bulb is an abbreviation of Light Emitting Diode, a solid semiconductor device capable of converting electric energy into visible Light, and directly converts electricity into Light.
At present, the utility model discloses a chinese utility model patent that publication number is CN205746158U discloses a LED bulb, including LED light source board, base body and light-transmitting shell, this LED light source board is bar-shaped structure, is equipped with a plurality of LED light sources on this LED light source board, and this LED light source board's at least one end is fixed on this base body, and this base body setting is kept away from at the middle part of this LED light source board, the LED light source on this LED light source board of the integrative cladding of this light-transmitting shell, this light-transmitting shell is used for the refraction light that the LED light source sent, and make the light distribution that the LED light source sent is more even. The LED bulb has the advantage of convenient light distribution. However, the LED light emitting element generates a large amount of heat during the light emitting process, and the heat is concentrated inside, so that the normal use of the bulb is affected due to the over-high temperature inside the bulb.
Therefore, a new technical solution is needed to solve this problem.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art exists, the utility model provides a heat dissipation type LED bulb has good heat conduction radiating effect, can give off the heat that the bulb produced to increase the whole radiating effect of bulb.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a heat dissipation type LED bulb, includes the lamp body, sets up at the inside light-emitting component of lamp body and sets up the lamp holder in the lamp body outside, the inside of lamp body is provided with the installation section of thick bamboo, light-emitting component is including installing the circuit board on the installation section of thick bamboo and installing a plurality of light-emitting component on the circuit board, one side that light-emitting component was kept away from to the circuit board is provided with the conducting strip, form the heat dissipation chamber between installation section of thick bamboo and the lamp body, be provided with the louvre on the lamp body, the inside in heat dissipation chamber is provided with spiral helicine heat dissipation coil, the external connection of installation section of thick bamboo has a plurality of heat dissipation framves of circumference array distribution, be provided.
By adopting the technical scheme, the heat dissipation cavity is arranged between the lamp shell and the mounting cylinder, so that heat generated by the light-emitting element can be dissipated to the inside of the heat dissipation cavity along the circuit board, the heat conducting sheet and the mounting cylinder, and then the heat is dissipated through the heat dissipation holes in the lamp shell; through the heat dissipation coil, the heat dissipation coil is connected with the installation cylinder, the heat dissipation frame and the heat conducting fins respectively, heat conduction can be conducted, and the spiral heat dissipation coil structure has a large external surface area, so that heat dissipation performance is improved.
The utility model discloses further set up to: and a heat conduction layer is arranged between the heat conduction sheet and the circuit board.
Through adopting above-mentioned technical scheme, through setting up the heat-conducting layer, the heat-conducting layer is heat conduction silicone grease, can increase the inseparable degree of laminating between heat conduction conducting strip and the circuit board to increase heat conduction efficiency.
The utility model discloses further set up to: and a gap is formed between the circuit board and the inner wall of the lamp housing.
By adopting the technical scheme, the gap is arranged between the circuit board and the lamp shell, air can flow along the gap along with air pressure difference generated by air temperature difference, heat generated by the light-emitting element can be dissipated to the heat dissipation cavity from the gap, and therefore the heat dissipation efficiency of the bulb is improved.
The utility model discloses further set up to: and a heat dissipation net is arranged in the gap.
Through adopting above-mentioned technical scheme, through set up the radiator-grid in the middle of the space to block the space, prevent that external impurity from entering into the light emitting component annex, protect light emitting component.
The utility model discloses further set up to: the diameter of the heat radiating coil is gradually increased towards the direction of the circuit board, and one end of the heat radiating frame extends towards the circuit board and is connected with the heat conducting fin.
By adopting the technical scheme, the spiral radiating coil with the diameter changed is adopted, the part with the larger diameter of the radiating coil is connected with the heat conducting fin, the connecting area between the radiating coil and the heat conducting fin can be increased, and the conical structure has certain connecting stability.
The utility model discloses further set up to: the heat dissipation hole is arranged on the outer side of the heat dissipation coil.
Through adopting above-mentioned technical scheme, through setting up the louvre in the outside of heat dissipation coil for heat on the heat dissipation coil can outwards be gived off in the middle of the louvre fast, increases radiating efficiency.
The utility model discloses further set up to: the lamp shell is externally connected with a plurality of heat dissipation strips, and the heat dissipation strips are structures formed by protruding outside the lamp shell.
Through adopting above-mentioned technical scheme, through the heat dissipation strip that sets up protruding formation in the outside of lamp body, can increase the surface heat radiating area of lamp body to increase the radiating efficiency.
The utility model discloses further set up to: the heat dissipation strips are distributed on the outer portion of the lamp shell in a circumferential array mode, and extend along the length direction of the lamp shell.
Through adopting above-mentioned technical scheme, the heat dissipation strip extends along the length direction of lamp body, has increased the stability of lamp body exterior structure on the one hand, and on the other hand can increase outside radiating effect for the heat dissipation is more even.
To sum up, the utility model discloses following beneficial effect has:
through set up the heat dissipation chamber between lamp body and installation section of thick bamboo, the heat that light-emitting component produced can give off along circuit board, conducting strip, installation section of thick bamboo to the inside in heat dissipation chamber, can carry out thermal conduction, and spiral helicine heat dissipation coil structure has great outside surface area to increase heat dispersion. Through setting up the space between circuit board and lamp body for the heat that light emitting component produced can follow and give off in the middle of this space to the heat dissipation chamber, and set up the radiator-grid in the middle of the space, can prevent that external impurity from entering into near light emitting component, has good radiating effect.
Drawings
Fig. 1 is a schematic structural diagram of a heat dissipation LED bulb of the present embodiment;
fig. 2 is a sectional view of a heat dissipation type LED bulb of the present embodiment;
fig. 3 is a schematic view of a matching structure of the positioning groove and the heat dissipating coil in the present embodiment.
Reference numerals: 1. a lamp housing; 2. mounting the cylinder; 3. a lamp cap; 4. a heat dissipation cavity; 5. heat dissipation holes; 6. a heat dissipation frame; 7. a heat dissipating coil; 8. positioning a groove; 9. a circuit board; 10. a heat conductive layer; 11. a heat conductive sheet; 12. a light emitting element; 13. a lamp shade; 14. a heat-dissipating web; 15. a heat dissipating strip.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The embodiment discloses a heat dissipation type LED bulb, as shown in FIGS. 1-3, which comprises a lamp housing 1, a light emitting assembly is arranged inside a lamp shade 13, the light emitting assembly comprises a circuit board 9 and a plurality of LED light emitting elements 12, the light emitting elements 12 are arranged on the circuit board 9, the light emitting elements 12 can realize the light emitting work of the light emitting elements 12 by the connection of a power supply, the lamp housing 1 is of a horn-shaped tubular structure, two ends of the lamp housing are open, a lamp cap 3 is arranged at one end of the lamp housing 1, so that the lamp cap 3 can be installed on a lamp holder, an installation cylinder 2 is arranged inside the lamp housing 1, an installation block protruding outwards is arranged on the inner wall of the lamp housing 1, the installation cylinder 2 is installed on the installation block through screws, one end of the installation cylinder 2 corresponds to the lamp holder, a lead extending from the lamp cap 3 can be arranged inside the installation cylinder 2, and install circuit board 9 on installation section of thick bamboo 2 through the bolt for light emitting component 12 on the circuit board 9 is towards the outside of the great open end of lamp shade 13, and covers lamp shade 13 in the outside cover of the great open end of lamp shade 13, makes lamp shade 13 can establish light emitting component 12 cover wherein, can scatter the light that light emitting component 12 gived off, increases the effect of shining of bulb.
In order to increase the heat dissipation effect of the bulb, a heat conducting fin 11 is arranged on one side of the circuit board 9, which is far away from the light emitting element 12, a heat conducting layer 10 is arranged between the heat conducting fin 11 and the circuit board 9, and the heat conducting layer 10 is heat conducting silicone grease, so that the close degree of the fit between the heat conducting fin 11 and the circuit board 9 can be increased, and the heat conducting efficiency is increased. The inside in heat dissipation chamber 4 is provided with spiral helicine heat dissipation coil 7, and this heat dissipation coil 7 cover is established in the outside of installation section of thick bamboo 2 to set up the heat dissipation frame 6 of four circumference array distributions on the outer wall of installation section of thick bamboo 2, the one end welding of heat dissipation frame 6 is on conducting strip 11, is provided with the constant head tank 8 that is used for holding heat dissipation coil 7 on the heat dissipation frame 6, and the joint of heat dissipation coil 7 carries out prepositioning in the middle of the constant head tank 8.
The diameter of heat dissipation coil 7 increases gradually to the direction of circuit board 9, the one end of heat dissipation frame 6 extend to circuit board 9 and with 11 surface welding of conducting strip, heat dissipation coil 7 extends to the direction of lamp holder 3, and set up a plurality of louvre 5 on the lateral wall of lamp body 1, louvre 5 presents the circumference array and distributes on lamp body 1, the position of louvre 5 is corresponding with the middle part position of heat dissipation coil 7, make the heat on the heat dissipation coil 7 outwards give off in the middle of louvre 5 can be followed fast, increase radiating efficiency.
The outer diameter of the circuit board 9 is slightly smaller than the inner diameter of the lamp housing 1, a gap is formed between the circuit board 9 and the inner wall of the lamp housing 1, and a heat dissipation net 14 is arranged in the gap, so that heat generated by the light-emitting element 12 can be dissipated to the heat dissipation cavity 4 from the gap, and external impurities can be prevented from entering the vicinity of the light-emitting element 12 to protect the light-emitting element 12.
There are a plurality of heat dissipation strips 15 at the external connection of lamp body 1, and heat dissipation strip 15 is the structure of protruding formation in the outside of lamp body 1, and the circumference array distributes in the outside of lamp body 1, has increased the stability of the 1 external structure of lamp body, adds heat dissipation strip 15 and extends along the length direction of lamp body 1, can increase the surface heat radiating area of lamp body 1 to increase the radiating efficiency.
When the LED lamp is specifically implemented, the lamp cap 3 on the bulb is installed on the lamp holder, the circuit is closed and switched on, the LED light-emitting element 12 on the circuit board 9 is electrified to emit light, light generated by the light-emitting element 12 is scattered by the lampshade 13, and the light can be softer and has higher irradiation stability. The LED light-emitting element 12 emits light and generates larger heat, a part of heat can be transferred to the outside of the lampshade 13 through air, and a part of heat is dissipated to the inside of the heat dissipation cavity 4 along the circuit board 9, the heat conducting fins 11 and the mounting cylinder 2 and then dissipated through the heat dissipation hole 5 on the lamp shell 1; through heat dissipation coil 7, heat dissipation coil 7 is connected with installation section of thick bamboo 2, heat dissipation frame 6, conducting strip 11 respectively, can carry out thermal conduction, and spiral helicine heat dissipation coil 7 structure has great external surface area, along with the rising of the inside temperature of bulb, produces certain atmospheric pressure difference inside and outside the bulb for the air can circulate along space and louvre 5, thereby makes the heat that light-emitting component 12 produced can follow and give off in the middle of this space to heat dissipation chamber 4 and increase heat dispersion.
The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, any modification, equivalent replacement, or improvement made within the design concept of the present invention should be included within the protection scope of the present invention.
Claims (9)
1. A heat dissipation type LED bulb comprises a lamp shell (1), a light-emitting component arranged inside the lamp shell (1) and a lamp holder (3) arranged outside the lamp shell (1), and is characterized in that an installation cylinder (2) is arranged inside the lamp shell (1), the light-emitting component comprises a circuit board (9) installed on the installation cylinder (2) and a plurality of light-emitting elements (12) installed on the circuit board (9), a heat conducting sheet (11) is arranged on one side, away from the light-emitting elements (12), of the circuit board (9), a heat dissipation cavity (4) is formed between the installation cylinder (2) and the lamp shell (1), heat dissipation holes (5) are formed in the lamp shell (1), spiral heat dissipation coils (7) are arranged inside the heat dissipation cavity (4), a plurality of heat dissipation frames (6) distributed in a circumferential array are connected to the outside of the installation cylinder (2), and positioning grooves (8) used for accommodating the heat dissipation coils (7) are formed in the heat dissipation frames (6, the heat radiating coil (7) is connected with the heat conducting sheet (11).
2. The heat dissipation type LED bulb as recited in claim 1, wherein a heat conduction layer (10) is provided between the heat conduction sheet (11) and the circuit board (9).
3. The heat dissipation type LED bulb as claimed in claim 2, wherein a gap is formed between the circuit board (9) and the inner wall of the lamp housing (1).
4. The heat dissipating LED bulb as recited in claim 3, wherein a heat dissipating mesh (14) is disposed in the void.
5. The heat dissipation type LED bulb as recited in claim 1, wherein the diameter of the heat dissipation coil (7) is gradually increased toward the circuit board (9), and one end of the heat dissipation frame (6) extends toward the circuit board (9) and is connected with the heat conducting fin (11).
6. The heat dissipation type LED bulb as claimed in claim 5, wherein the heat dissipation hole (5) is arranged outside the heat dissipation coil (7).
7. The heat dissipation type LED bulb as claimed in claim 1, wherein a plurality of heat dissipation strips (15) are connected to the outside of the lamp housing (1), and the heat dissipation strips (15) are formed by protruding on the outside of the lamp housing (1).
8. The heat dissipation type LED bulb as recited in claim 7, wherein the heat dissipation strips (15) are distributed on the outer portion of the lamp housing (1) in a circumferential array, and the heat dissipation strips (15) extend along the length direction of the lamp housing (1).
9. The heat dissipation type LED bulb as recited in claim 1, wherein a lampshade (13) is provided outside the light emitting element (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921305943.XU CN210345046U (en) | 2019-08-13 | 2019-08-13 | Heat dissipation type LED bulb |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921305943.XU CN210345046U (en) | 2019-08-13 | 2019-08-13 | Heat dissipation type LED bulb |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210345046U true CN210345046U (en) | 2020-04-17 |
Family
ID=70174508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921305943.XU Expired - Fee Related CN210345046U (en) | 2019-08-13 | 2019-08-13 | Heat dissipation type LED bulb |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210345046U (en) |
-
2019
- 2019-08-13 CN CN201921305943.XU patent/CN210345046U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200417 Termination date: 20210813 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |