CN202118609U - Rapidly radiating LED blub - Google Patents
Rapidly radiating LED blub Download PDFInfo
- Publication number
- CN202118609U CN202118609U CN2011201994872U CN201120199487U CN202118609U CN 202118609 U CN202118609 U CN 202118609U CN 2011201994872 U CN2011201994872 U CN 2011201994872U CN 201120199487 U CN201120199487 U CN 201120199487U CN 202118609 U CN202118609 U CN 202118609U
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- Prior art keywords
- heat
- circuit board
- conductive assembly
- control circuit
- radiator
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Abstract
The utility model discloses a rapidly radiating LED blub, which comprises a lamp holder, a radiator, an LED circuit board, a control circuit board, a diffuser and a heat conducting component. The lamp holder is arranged at the bottom of the radiator; the diffuser and the LED circuit board are arranged at the top of the radiator; the diffuser covers the LED circuit board; a containing hole is arranged in the middle of the radiator; the control circuit board is arranged in the containing hole and provided with a plurality of circuit components; and the heat conducting component is arranged in the containing hole of the radiator and among the circuit components of the control circuit board and the inner wall surface of the containing hole. The heat conducting component is used as a heat conducting medium, heat generated by the circuit components of the control circuit board in the containing hole is rapidly conducted to the radiator, radiating speed is high, the temperature of the circuit components of the control circuit board is reduced, operating stability of the circuit components is improved, and the service lives of the circuit components are prolonged.
Description
Technical field
The utility model relates to LED bulb technologies field, especially relates to a kind of LED bulb of quick heat radiating.
Background technology
In the prior art, the LED bulb comprises lamp holder, radiator, led circuit plate, middle casing, control circuit board and diffuser; Lamp holder is arranged at the radiator bottom, and diffuser is provided with the radiator top, and the led circuit plate is arranged at the radiator top; Diffuser is covered with the led circuit plate; The radiator middle part is provided with reception hole, and middle casing is inserted in the reception hole, and control circuit board is inserted in the middle casing.Control circuit board is provided with some circuit units, and the partial circuit assembly on the control circuit board can produce bigger heat when work, for example transformer and IC chip; And control circuit board is arranged in the reception hole, and the heat that circuit units such as transformer and IC chip produce is through the air transmitted heat in the reception hole, and reception hole seals; Air in the reception hole does not circulate yet, and also has the obstruct of middle casing, therefore; The heat that circuit unit such as transformer and IC chip produces is transmitted to radiator and becomes very difficult, and heat conduction velocity is very slow, and the heat that the circuit unit of control circuit board produces can't conduct rapidly; When the LED bulb was worked, the temperature of control circuit board was higher, influences the stability of control circuit board work; Shorten its service life, therefore be necessary to improve.
Summary of the invention
To the deficiency that prior art exists, the purpose of the utility model provides a kind of LED bulb of quick heat radiating, and its radiating rate is fast, reduces the temperature of the circuit unit of control circuit board, improves the stability of its work, prolongs its service life.
To achieve these goals, the technical scheme that the utility model adopted is.
A kind of LED bulb of quick heat radiating comprises lamp holder, radiator, led circuit plate, control circuit board, diffuser and heat-conductive assembly, and lamp holder is arranged at the radiator bottom; Diffuser is provided with the radiator top; The led circuit plate is arranged at the radiator top, and diffuser is covered with the led circuit plate, and the radiator middle part is provided with reception hole; Control circuit board is arranged in the reception hole; Control circuit board is provided with some circuit units, and heat-conductive assembly is arranged in the reception hole of radiator, and heat-conductive assembly is arranged between the internal face of circuit unit and reception hole of control circuit board.
First side of said heat-conductive assembly comes close to or in contact with the internal face of reception hole, and second side of heat-conductive assembly comes close to or in contact with the circuit unit of control circuit board.
Said LED bulb also comprises middle casing; Middle casing is inserted in the reception hole, and control circuit board is inserted in the middle casing, and the middle casing middle part offers takes in the chamber; First side of heat-conductive assembly is placed in takes in the chamber, and first side of heat-conductive assembly is passed and taken in the internal face that the chamber extends to reception hole.
First side of said heat-conductive assembly has first thermal conductive surface, and first thermal conductive surface is set to the arc-shaped curved surface with the internal face form fit of reception hole.
Produce the IC chip of heat when said circuit unit is included in work, second side of said heat-conductive assembly is attached at the back side of IC chip.
Be provided with at least two heat-conductive assemblies in the said reception hole, heat-conductive assembly is separately positioned on the front and back of control circuit board, and heat-conductive assembly is set to aluminium material heat-conducting block, copper material heat-conducting block or alloy material heat-conducting block.
Produce the transformer of heat when said circuit unit is included in work, second side of said heat-conductive assembly covers or the local transformer that coats.
Be provided with at least two heat-conductive assemblies in the said reception hole, heat-conductive assembly is separately positioned on the front and back of control circuit board, and heat-conductive assembly is set to aluminium material heat-conducting block, copper material heat-conducting block or alloy material heat-conducting block.
After adopting said structure; The utility model is compared the advantage that is had with prior art: the utility model passes through heat-conductive assembly as heat-conduction medium; The heat that the circuit unit of the control circuit board in the reception hole produces is transmitted to radiator fast, and radiating rate is fast, reduces the temperature of the circuit unit of control circuit board; Improve the stability of its work, prolong its service life.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is further specified.
Fig. 1 is the structural representation of the LED bulb of the utility model.
Fig. 2 is the cutaway view in AA cross section among Fig. 1.
Fig. 3 is the structural representation after the LED bulb of the utility model is hidden heat radiation and diffuser.
Fig. 4 is the structural representation after the LED bulb of the utility model is hidden heat radiation, middle casing and diffuser.
Among the figure: 1, lamp holder 2, radiator 3, led circuit plate 4, control circuit board 5, diffuser 6, reception hole 7, heat-conductive assembly 8, take in chamber 9, IC chip 10, transformer 11, middle casing.
The specific embodiment
The following stated is merely the preferred embodiment of the utility model, does not therefore limit the protection domain of the utility model.
Embodiment, see that Fig. 1 is to shown in Figure 4: a kind of LED bulb of quick heat radiating comprises lamp holder 1, radiator 2, led circuit plate 3, control circuit board 4 and diffuser 5; Lamp holder 1 is arranged at radiator 2 bottoms, and diffuser 5 is provided with radiator 2 tops, and led circuit plate 3 is arranged at radiator 2 tops; Diffuser 5 is covered with led circuit plate 3; Radiator 2 middle parts are provided with reception hole 6, and control circuit board 4 is arranged in the reception hole 6, and control circuit board 4 is provided with some circuit units.
The LED bulb also comprises heat-conductive assembly 7, and heat-conductive assembly 7 is arranged in the reception hole 6 of radiator 2, and heat-conductive assembly 7 is arranged between the internal face of circuit unit and reception hole 6 of control circuit board 4.
Be provided with at least two heat-conductive assemblies 7 in the reception hole 6, heat-conductive assembly 7 is separately positioned on the front and back of control circuit board 4, and heat-conductive assembly 7 is set to aluminium material heat-conducting block, copper material heat-conducting block or alloy material heat-conducting block.As long as heat-conductive assembly 7 has higher thermal conductivity factor and heat-conductive characteristic.
First side of heat-conductive assembly 7 comes close to or in contact with the internal face of reception hole 6, and second side of heat-conductive assembly 7 comes close to or in contact with the circuit unit of control circuit board 4.
The LED bulb also comprises middle casing 11; Middle casing 11 is inserted in the reception hole 6; Control circuit board 4 is inserted in the middle casing 11; Middle casing 11 middle parts offer takes in chamber 8, and first side of heat-conductive assembly 7 is placed in takes in chamber 8, and first side of heat-conductive assembly 7 is passed and taken in the internal face that chamber 8 extends to reception hole 6.Take in that chamber 8 can be located and fixing heat-conductive assembly 7.
First side of heat-conductive assembly 7 has first thermal conductive surface, and first thermal conductive surface is set to the arc-shaped curved surface with the internal face form fit of reception hole 6.
Produce the IC chip 9 of heat when circuit unit is included in work, second side of said heat-conductive assembly 7 is attached at the back side of IC chip 9.Certainly, heat-conductive assembly 7 can also be attached at control circuit board 4.
Produce the transformer 10 of heat when circuit unit is included in work, second side of heat-conductive assembly 7 covers transformer 10, in preferred embodiments, and the local transformer 10 that coats of second side of hot assembly.
The utility model passes through heat-conductive assembly 7 as heat-conduction medium; The heat that the circuit unit of the control circuit board 4 in the reception hole 6 produces is transmitted to radiator 2 fast, and radiating rate is fast, reduces the temperature of the circuit unit of control circuit board 4; Improve the stability of its work, prolong its service life.
Above content is merely the preferred embodiment of the utility model; For those of ordinary skill in the art; According to the thought of the utility model, the part that on the specific embodiment and range of application, all can change, this description should not be construed as the restriction to the utility model.
Claims (8)
1. the LED bulb of a quick heat radiating; Comprise lamp holder (1), radiator (2), led circuit plate (3), control circuit board (4) and diffuser (5), lamp holder (1) is arranged at radiator (2) bottom, and diffuser (5) is provided with radiator (2) top; Led circuit plate (3) is arranged at radiator (2) top; Diffuser (5) is covered with led circuit plate (3), and radiator (2) middle part is provided with reception hole (6), and control circuit board (4) is arranged in the reception hole (6); Control circuit board (4) is provided with some circuit units; It is characterized in that: the LED bulb also comprises heat-conductive assembly (7), and heat-conductive assembly (7) is arranged in the reception hole (6) of radiator (2), and heat-conductive assembly (7) is arranged between the internal face of circuit unit and reception hole (6) of control circuit board (4).
2. the LED bulb of a kind of quick heat radiating according to claim 1; It is characterized in that: first side of said heat-conductive assembly (7) comes close to or in contact with the internal face of reception hole (6), and second side of heat-conductive assembly (7) comes close to or in contact with the circuit unit of control circuit board (4).
3. the LED bulb of a kind of quick heat radiating according to claim 2; It is characterized in that: said LED bulb also comprises middle casing (11); Middle casing (11) is inserted in the reception hole (6), and control circuit board (4) is inserted in the middle casing (11), and middle casing (11) middle part offers takes in chamber (8); First side of heat-conductive assembly (7) is placed in takes in chamber (8), and first side of heat-conductive assembly (7) is passed and taken in the internal face that chamber (8) extends to reception hole (6).
4. the LED bulb of a kind of quick heat radiating according to claim 3, it is characterized in that: first side of said heat-conductive assembly (7) has first thermal conductive surface, and first thermal conductive surface is set to the arc-shaped curved surface with the internal face form fit of reception hole (6).
5. according to the LED bulb of the described a kind of quick heat radiating of one of claim 1 to 4; It is characterized in that: produce the IC chip (9) of heat when said circuit unit is included in work, second side of said heat-conductive assembly (7) is attached at the back side of IC chip (9).
6. the LED bulb of a kind of quick heat radiating according to claim 5; It is characterized in that: be provided with at least two heat-conductive assemblies (7) in the said reception hole (6); Heat-conductive assembly (7) is separately positioned on the front and back of control circuit board (4), and heat-conductive assembly (7) is set to aluminium material heat-conducting block, copper material heat-conducting block or alloy material heat-conducting block.
7. according to the LED bulb of the described a kind of quick heat radiating of one of claim 1 to 4; It is characterized in that: produce the transformer (10) of heat when said circuit unit is included in work, second side of said heat-conductive assembly (7) covers or the local transformer (10) that coats.
8. the LED bulb of a kind of quick heat radiating according to claim 7; It is characterized in that: be provided with at least two heat-conductive assemblies (7) in the said reception hole (6); Heat-conductive assembly (7) is separately positioned on the front and back of control circuit board (4), and heat-conductive assembly (7) is set to aluminium material heat-conducting block, copper material heat-conducting block or alloy material heat-conducting block.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201994872U CN202118609U (en) | 2011-06-14 | 2011-06-14 | Rapidly radiating LED blub |
| EP12800273.0A EP2722577A4 (en) | 2011-06-14 | 2012-06-14 | Modular illumination device |
| PCT/CN2012/076938 WO2012171468A1 (en) | 2011-06-14 | 2012-06-14 | Modular illumination device |
| US14/126,378 US9285095B2 (en) | 2011-06-14 | 2012-06-14 | Combination type illumination apparatus |
| JP2014515047A JP2014518433A (en) | 2011-06-14 | 2012-06-14 | Assembly lighting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201994872U CN202118609U (en) | 2011-06-14 | 2011-06-14 | Rapidly radiating LED blub |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202118609U true CN202118609U (en) | 2012-01-18 |
Family
ID=45459674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201994872U Expired - Fee Related CN202118609U (en) | 2011-06-14 | 2011-06-14 | Rapidly radiating LED blub |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202118609U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012171468A1 (en) * | 2011-06-14 | 2012-12-20 | 东莞巨扬电器有限公司 | Modular illumination device |
-
2011
- 2011-06-14 CN CN2011201994872U patent/CN202118609U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012171468A1 (en) * | 2011-06-14 | 2012-12-20 | 东莞巨扬电器有限公司 | Modular illumination device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120118 Termination date: 20180614 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |