CN203115636U - Light-emitting diode (LED) lamp bulb - Google Patents
Light-emitting diode (LED) lamp bulb Download PDFInfo
- Publication number
- CN203115636U CN203115636U CN2013201439996U CN201320143999U CN203115636U CN 203115636 U CN203115636 U CN 203115636U CN 2013201439996 U CN2013201439996 U CN 2013201439996U CN 201320143999 U CN201320143999 U CN 201320143999U CN 203115636 U CN203115636 U CN 203115636U
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- Prior art keywords
- led
- diffuser
- transfer device
- light
- lamp socket
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- 239000000758 substrate Substances 0.000 claims abstract description 17
- 230000005855 radiation Effects 0.000 claims description 31
- 230000005540 biological transmission Effects 0.000 claims description 22
- 238000007789 sealing Methods 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000004411 aluminium Substances 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 3
- 239000004020 conductor Substances 0.000 abstract 4
- 208000003618 Intervertebral Disc Displacement Diseases 0.000 abstract 2
- 238000013022 venting Methods 0.000 abstract 1
- UQMRAFJOBWOFNS-UHFFFAOYSA-N butyl 2-(2,4-dichlorophenoxy)acetate Chemical compound CCCCOC(=O)COC1=CC=C(Cl)C=C1Cl UQMRAFJOBWOFNS-UHFFFAOYSA-N 0.000 description 8
- 238000005286 illumination Methods 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
A light-emitting diode (LED) lamp bulb comprises a lamp base, a prism-shaped heat conductor, an LED light-emitting module, a light-transmitting cover, a radiating casing and a tail cover. The lamp base comprises a bottom substrate and a lateral plate, wherein the bottom substrate and the lateral plate can enclose a power supply seat cavity. One end of the heat conductor is attached to the bottom substrate. The LED light-emitting module comprises LED lamp strips attached to the lateral side of the heat conductor. The light-transmitting cover is of a barrel-shaped structure, the lateral side of the light-transmitting cover is composed of arch-shaped light-transmitting pieces which are connected in surrounding mode, the light-transmitting cover is provided with a shaft end protruded disk which is connected on the lamp base, the LED light-emitting module and the heat conductor are both arranged in the light-transmitting cover, the LED lamp strips respectively correspond to the arch-shaped light-transmitting pieces, the radiating casing is covered on the lamp base, a radiating cavity is enclosed between the radiating casing and the lamp base, a plurality of air holes are formed in the shaft end protruded disk, a plurality of venting holes are formed in the radiating casing, the tail cover is buckled on the lamp base, a plurality of heat conduction grooves communicating the power supply seat cavity and the outside are formed in the tail cover, and a plurality of heat conduction holes are formed in the bottom substrate.
Description
Technical field
The utility model relates to lighting field, refers to a kind of LED bulb especially.
Background technology
Under the background that global energy shortage, environmental requirement improve constantly, the green energy conservation illumination is all greatly developed in countries in the world.The LED illumination is as a kind of revolutionary energy-saving illumination technology, just in develop rapidly.As everyone knows, and the LED lamp is a kind of green light fixture of generally acknowledging at present, it mainly is to adopt direct current supply, therefore it scintillation can not occur in use, and its good stability, have efficient, safety, energy-saving and environmental protection, distinct advantages such as the life-span is long, response speed is fast, colour rendering index height, in lighting field, obtain application more and more widely.Along with increase, the quantity of heat production of LED power are too much, bad if heat dissipation problem solves, heat concentrates in the small-sized chip, then can faster devices wear out, and reduction of service life, even cause chip to burn.
At present, the LED bulb mainly comprises lamp socket, lampshade, is arranged on radiator on the lamp socket in the prior art, LED on radiator is sticked, wherein radiator all is placed in lamp housing and the lampshade sealed space with the LED that is arranged on the radiator, this LED bulb is placed in the environment of sealing owing to radiator, therefore cause radiator heat-dissipation efficient low, can't conduct the heat that produces when evacuating the work of LED lamp timely and effectively, cause accumulation of heat have a strong impact on the LED lamp lighting hours and service life problem.
In addition, the light that traditional LED bulb irradiates can produce hot spot because the illumination range between the adjacent block among the LED is overlapping, influence illuminating effect.
The utility model content
The purpose of this utility model is to provide a kind of LED bulb, it is a kind of and traditional product of LED lighting same nature, its technical problem underlying to be solved is: traditional LED bulb is placed in the environment of sealing owing to radiator, can't conduct the heat that produces when evacuating the work of LED lamp timely and effectively, cause accumulation of heat to have a strong impact on lighting hours and the service life of LED lamp; The light that traditional LED bulb irradiates can produce hot spot because the illumination range between the adjacent block among the LED is overlapping.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
The utility model provides a kind of LED bulb, and it comprises:
Lamp socket, described lamp socket comprises bottom substrate and side plate, and described bottom substrate and side plate are around a power socket chamber, and described power socket is provided with power-supply controller of electric in the chamber,
Prismatic heat transfer device, the end face of described prismatic heat transfer device one end fixedly is sticked on described bottom substrate,
The LED illuminating module, described LED illuminating module is sticked on described heat transfer device, described LED illuminating module comprises the LED lamp bar that is sticked on the side of described heat transfer device and the LED lamp sheet on another corresponding with described lamp socket on described heat transfer device end face of being sticked, and the quantity of described LED lamp bar is corresponding with the side quantity of described heat transfer device
Diffuser, described diffuser is the tubular structure of end sealing, the side of described diffuser is the inside mode of concave surface around connecting to form by the light transmission piece of some arc arch shapes, the quantity of arc arch shape light transmission piece of forming described diffuser is corresponding with the side quantity of described heat transfer device, the blind end of described diffuser is the circular arc light transmission piece, in addition
The openend of described diffuser is provided with the protruding dish of axle head radially, the protruding dish of the axle head of described diffuser is connected on the described lamp socket, described LED illuminating module and heat transfer device all are placed in the described diffuser, the light transmission piece of the respectively corresponding arc arch shape of each described LED lamp bar, described LED lamp sheet is corresponding with the circular arc light transmission piece of described diffuser blind end
Cylindrical shell cooling; provided in said heat sink housing cover on the socket; larger than the inner diameter of said heat sink housing outer diameter of the socket; one end fixed to said heat sink housing connected to the power seat chamber lampholder the mouth cavity; said heat sink housing connected to the other end of the shaft end through the mask plate; the heat dissipation between the shell and the socket of the cooling chamber around; said penetrating shaft end photomasks is provided with a number plate of the cooling chamber communicating with the outside hole; said housing is provided with a number of cooling said cooling chamber communicating with the outside air vents
Tail-hood, described tail-hood be located on the described lamp socket, offer the thermal trough in the described power socket of some connections chamber and the external world on the described tail-hood on the side of corresponding described lamp socket,
Offer the thermal hole in the described diffuser of some connections and power socket chamber on the bottom substrate of described lamp socket.
Have precedence over: described heat transfer device is copper.
Have precedence over: described heat transfer device is quadrangular, and the side of described diffuser is the inside mode of concave surface around connecting to form by the light transmission piece of four described arc arch shapes.
Have precedence over: described lamp socket and heat radiation shell are aluminium matter.
Have precedence over: also be provided with power connector on the described tail-hood, described power connector is threaded adapter or contact pin connector.
Compared with prior art, the beneficial effects of the utility model are:
One, described diffuser is communicated with described power socket chamber, described power socket chamber is in communication with the outside by the thermal trough on the described tail-hood again, the heat that produces during the work of described led module by in the described diffuser in the described power socket of last inflow chamber, wandering as in the outside air by described thermal trough again;
Two, be covered with the heat radiation shell on the described lamp socket, has the heat radiation chamber between described heat radiation shell and the described lamp socket, on the described lamp socket from the described prismatic radiator and the heat in the power socket chamber be passed in the described heat radiation chamber by side plate, and be passed to described heat radiation shell and in air, spread, because thermal convection current makes the hot-air in the described heat radiation chamber flow to the external world by described air vent, extraneous cold air enters described heat radiation chamber by the pore on the protruding dish of the axle head of described diffuser, and then in described heat radiation chamber, form cross-ventilation, strengthen radiating effect;
Three, the light transmission piece of the respectively corresponding arc arch shape of each described LED lamp bar, the light that LED lamp bar sends on side adjacent on the described prismatic heat transfer device that is sticked carries out luminous intensity distribution by corresponding arc arch shape light transmission piece, the light that each described LED lamp bar sends is the closer to the edge of described arc arch shape light transmission piece, more big with the normal angle of the plane of incidence, when light pass described light transmission piece when entering air and the angle of normal also just more big, and then can dwindle the illumination range of each described LED lamp bar, it is overlapping to prevent that light that two adjacent LED lamp bars send from producing light, thereby eliminates hot spot.
Description of drawings
Figure l is perspective exploded view of the present utility model.
Fig. 2 is another kind of structure embodiment decomposing schematic representation of the present utility model.
Fig. 3 is luminous intensity distribution embodiment schematic diagram of the present utility model.
Fig. 4 is assembled state cross-sectional schematic of the present utility model.
Fig. 5 is the schematic diagram that arranges of thermal trough on the tail-hood of the present utility model.
The specific embodiment
Below with reference to accompanying drawing 1 to 5 and preferred embodiment a kind of LED bulb that the utility model proposes is done more to describe in detail.
The utility model provides a kind of LED bulb, and it comprises heat radiation shell 40 and the tail-hood 50 of lamp socket 10, prismatic heat transfer device 20, LED illuminating module, diffuser 30, tubular, wherein,
Described lamp socket 10 comprises bottom substrate 11 and side plate 12, described bottom substrate 11 and side plate 12 are around a power socket chamber 13, (described power-supply controller of electric is routine techniques means in the art to be provided with power-supply controller of electric in the described power socket chamber 13, therefore repeat no more, also not shown among the figure);
The end face of described prismatic heat transfer device 20 1 ends fixedly is sticked on described bottom substrate 11, and then the heat on the described heat transfer device 20 can be passed on the described bottom substrate 11;
Described LED illuminating module is sticked on described heat transfer device 20, described LED illuminating module comprises the LED lamp bar 1 that is sticked on the side of described heat transfer device 20 and the LED lamp sheet 2 on another corresponding end face of described heat transfer device 20 and described lamp socket 10 of being sticked, and the quantity of described LED lamp bar 1 is corresponding with the side quantity of described heat transfer device 20;
As shown in Figure 3, described diffuser 30 is the tubular structure of end sealing, the side of described diffuser 30 is the inside mode of concave surface around connecting to form by the light transmission piece 31 of some arc arch shapes, the quantity of arc arch shape light transmission piece 31 of forming described diffuser 30 is corresponding with the side quantity of described heat transfer device 20, and the blind end of described diffuser 30 is the circular arc light transmission piece;
The openend of described diffuser 30 is provided with the protruding dish 32 of axle head radially, the protruding dish 32 of the axle head of described diffuser 30 is connected on the described lamp socket 10, described LED illuminating module and heat transfer device 20 all are placed in the described diffuser 30, the light transmission piece 31 of each described LED lamp bar 1 respectively corresponding arc arch shape, described LED lamp sheet 2 is corresponding with the circular arc light transmission piece of described diffuser 30 blind ends;
Described heat radiation shell 40 is located on the described lamp socket 10, the internal diameter of described heat radiation shell 40 is greater than the external diameter of described lamp socket, described heat radiation shell 40 1 ends are fixedly connected on the accent in power socket chamber 13 of described lamp socket 10, the other end of described heat radiation shell 40 is connected on the protruding dish 32 of axle head of described diffuser 30, between described heat radiation shell 40 and the described lamp socket 10 around the heat radiation chamber 3, offer the pore 321 in the described heat radiation of some connections chamber and the external world on the protruding dish 32 of the axle head of described diffuser 30, offer the air vent 41 in the described heat radiation of some connections chamber 3 and the external world on the described heat radiation shell 40;
As shown in Figure 5, described tail-hood 50 be located on the described lamp socket 10, offers the thermal trough 51 in the described power socket of some connections chamber 13 and the external world on the described tail-hood 50 on the side of corresponding described lamp socket 10;
Offer the thermal hole 111 in the described diffuser 30 of some connections and power socket chamber 13 on the bottom substrate 11 of described lamp socket 10.
Preferred embodiment: described heat transfer device 20 is copper, utilizes the excellent heat conducting performance of copper material to make described heat transfer device 20 can have better heat-conducting effect.
Preferred embodiment: described heat transfer device 20 is quadrangular, and the side of described diffuser 30 is the inside mode of concave surface around connecting to form by the light transmission piece 31 of four described arc arch shapes.
Preferred embodiment: described lamp socket 10 and heat radiation shell 40 are aluminium matter, and well-known, aluminum material is the most superior heat sink material of cost performance, and when satisfying radiating condition, cost price also within the acceptable range.
Preferred embodiment: as shown in Figure 1, 2, also be provided with power connector 51 on the described tail-hood 50, described power connector is threaded adapter 51a or contact pin connector 51b.
Comprehensive the above, the technical solution of the utility model can fully effectively be finished above-mentioned utility model purpose, and structural principle of the present utility model and the principle of work and power are all verified in an embodiment fully, and can reach effect and the purpose of expection, and embodiment of the present utility model also can carry out conversion according to these principles, therefore, the utility model comprise that all mention in the scope in claim all replace contents.Any equivalence of doing in the utility model claim changes, and all belongs within the claim of this case application.
Claims (5)
1. LED bulb, it is characterized in that comprising: lamp socket, described lamp socket comprises bottom substrate and side plate, described bottom substrate and side plate are around a power socket chamber, described power socket is provided with power-supply controller of electric in the chamber, prismatic heat transfer device, the end face of described prismatic heat transfer device one end fixedly is sticked on described bottom substrate, the LED illuminating module, described LED illuminating module is sticked on described heat transfer device, described LED illuminating module comprises the LED lamp bar that is sticked on the side of described heat transfer device and the LED lamp sheet on another corresponding with described lamp socket on described heat transfer device end face of being sticked, and the quantity of described LED lamp bar is corresponding with the side quantity of described heat transfer device, diffuser, described diffuser is the tubular structure of end sealing, the side of described diffuser is the inside mode of concave surface around connecting to form by the light transmission piece of some arc arch shapes, the quantity of arc arch shape light transmission piece of forming described diffuser is corresponding with the side quantity of described heat transfer device, the blind end of described diffuser is the circular arc light transmission piece, the openend of described diffuser is provided with the protruding dish of axle head radially in addition, the protruding dish of the axle head of described diffuser is connected on the described lamp socket, described LED illuminating module and heat transfer device all are placed in the described diffuser, the light transmission piece of the respectively corresponding arc arch shape of each described LED lamp bar, described LED lamp sheet is corresponding with the circular arc light transmission piece of described diffuser blind end, the heat radiation shell of tubular, described heat radiation clamshell is located on the described lamp socket, the internal diameter of described heat radiation shell is greater than the external diameter of described lamp socket, described heat radiation shell one end is fixedly connected on the accent in power socket chamber of described lamp socket, the other end of described heat radiation shell is connected on the protruding dish of axle head of described diffuser, between described heat radiation shell and the described lamp socket around the heat radiation chamber, offer the pore in the described heat radiation of some connections chamber and the external world on the protruding dish of the axle head of described diffuser, offer the air vent in the described heat radiation of some connections chamber and the external world on the described heat radiation shell, tail-hood, described tail-hood be located on the described lamp socket, offer the thermal trough in the described power socket of some connections chamber and the external world on the described tail-hood on the side of corresponding described lamp socket, offer the thermal hole in the described diffuser of some connections and power socket chamber on the bottom substrate of described lamp socket.
2. a kind of LED bulb as claimed in claim 1, it is characterized in that: described heat transfer device is copper.
3. a kind of LED bulb as claimed in claim 2, it is characterized in that: described heat transfer device is quadrangular, the side of described diffuser is the inside mode of concave surface around connecting to form by the light transmission piece of four described arc arch shapes.
4. as any described a kind of LED bulb in the claim 1 or 2,3, it is characterized in that: described lamp socket and heat radiation shell are aluminium matter.
5. a kind of LED bulb as claimed in claim 4, it is characterized in that: also be provided with power connector on the described tail-hood, described power connector is threaded adapter or contact pin connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201439996U CN203115636U (en) | 2013-03-27 | 2013-03-27 | Light-emitting diode (LED) lamp bulb |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201439996U CN203115636U (en) | 2013-03-27 | 2013-03-27 | Light-emitting diode (LED) lamp bulb |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203115636U true CN203115636U (en) | 2013-08-07 |
Family
ID=48895977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013201439996U Expired - Fee Related CN203115636U (en) | 2013-03-27 | 2013-03-27 | Light-emitting diode (LED) lamp bulb |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203115636U (en) |
-
2013
- 2013-03-27 CN CN2013201439996U patent/CN203115636U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151222 Address after: 518000 Guangdong province Shenzhen Guangming New District Gongming heshuikou second industrial zone Patentee after: SHENZHEN GUANKE TECHNOLOGY CO., LTD. Address before: 402660, 289, Feng Tian street, Berlin Town, Jiangjin District, Chongqing Patentee before: Li Shijun |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130807 Termination date: 20170327 |