CN103343903A - Lamp bulb with heat dissipation function - Google Patents
Lamp bulb with heat dissipation function Download PDFInfo
- Publication number
- CN103343903A CN103343903A CN2013102852266A CN201310285226A CN103343903A CN 103343903 A CN103343903 A CN 103343903A CN 2013102852266 A CN2013102852266 A CN 2013102852266A CN 201310285226 A CN201310285226 A CN 201310285226A CN 103343903 A CN103343903 A CN 103343903A
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- circuit board
- bulb
- heat
- lamp socket
- radiator
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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention discloses a lamp bulb with a heat dissipation function. The lamp bulb comprises a lamp holder, a light emitting assembly and a heat sink, wherein the lamp holder is provided with air exhaust holes. The heat sink comprises a body and cooling fins, a heat dissipation channel is formed between every two adjacent cooling fins, and at least one air exhaust hole is formed inside each heat dissipation channel. The lamp bulb has the relatively good heat dissipation effect and long service life.
Description
Technical field
The present invention and lighting technical field, particularly a kind of bulb with heat sinking function.
Background technology
Bulb can be converted into electric energy luminous energy in order to illumination to be provided, and is the necessary thing in people's daily life and the production work.And, bulb is when being converted into luminous energy with electric energy, also will unavoidably the part electric energy be converted into heat energy distributes, especially LED lamp, because bulb inside often is provided with circuit board or heat-resisting relatively poor rubber, electronic devices and components or rubber are subjected to that temperature rise is too high to cause easily that then infringement or life-span reduce in this moment circuit board.
At present, the improvement that proposes at bulb heat radiation is arranged, for example the lamp socket with bulb all is made as metal material, in order to strengthen and extraneous heat transmission.But, the like this then increase that must bring unnecessary cost, also unnecessary increase the weight of bulb itself, cause and use inconvenience.
So, be necessary above-mentioned defective is improved.
Summary of the invention
Still can't realize in the known method making bulb have excellent heat dispersion performance, purpose of the present invention namely is that a kind of bulb with heat sinking function is provided at this, it makes bulb possess preferable heat dispersion by the structure optimization design of bulb own, has improved bulb service life.
For achieving the above object, the invention provides a kind of bulb with heat sinking function, comprising: the cavity that lamp socket, described lamp socket comprise in order to the lamp holder that connects power supply and be used for holding, the wall portion of described cavity is provided with several steam vents; Luminescence component is located in the lamp socket, in order to electric energy is converted into luminous energy, comprises the first circuit board that is provided with light source; And radiator, described radiator is pressed close to first circuit board, in order to transmit the heat that first circuit board distributes, comprises body and some from the extended fin of body; Wherein, the gap between the adjacent fin forms several heat dissipation channels, is provided with a steam vent in the described heat dissipation channel at least.
Preferably, described heat dissipation channel comprises first end near first circuit board, reaches second end away from first circuit board, and described steam vent is located at described second end.
Preferably, be provided with a step in the described lamp socket, described step extends the suitable boss of some and described heat dissipation channel along described heat dissipation channel direction, and described steam vent is located on the boss inner and outside to be communicated with lamp socket.
Preferably, described radiator also is provided with in order to transmit the heat-conducting layer of the heat that first circuit board distributes near the end of first circuit board, and described heat-conducting layer is made by heat conductive silicon grease material.
Preferably, described luminescence component also comprises second circuit board, and described first circuit board and second circuit board are located at the two ends of radiator respectively.
Preferably, described lamp socket is provided with for the installation portion that second circuit board is installed, and described installation portion is the stopper slot of forming from the extended raised line of described lamp socket wall portion.
Preferably, also be provided with at least two reference columns that are used for radiator is installed the location on the described lamp socket, the body correspondence of described radiator be provided with the locating hole suitable with described reference column.
Preferably, described radiator is that aluminum alloy materials is made, and described fin is distributed on the body uniformly.
Preferably, described light source is a plurality of light emitting diodes.
Preferably, also comprise lamp housing, described lamp housing is installed on the lamp socket so that described bulb is airtight.
According to technical scheme of the present invention, owing to be provided with radiator, its extended fin forms if a heat dissipation channel, and the end at heat dissipation channel is provided with louvre, and the flowing of air-flow often followed the temperature eminence and to flow to the temperature lower, so the heat of thermal source is passed to fin, be distributed to heat dissipation channel through fin, and in each heat dissipation channel, be provided with steam vent, air-flow is got rid of more smoothly, the easier generation of heat exchange.The present invention has followed the aerodynamics principle through air current flow in the bulb heat radiation process has been done big quantity research, has improved radiating efficiency, has effectively lowered the temperature in the bulb.
Description of drawings
The accompanying drawing that constitutes the application's a part is used to provide further understanding of the present invention, and illustrative examples of the present invention and explanation thereof are used for explaining the present invention, do not constitute improper restriction of the present invention.In the accompanying drawings:
Fig. 1 is the outline drawing of bulb of the present invention;
Fig. 2 is the full sectional view of bulb of the present invention;
Fig. 3 is the explosive view of invention bulb;
Fig. 4 is bulb heat radiation device structural representation of the present invention;
Fig. 5 is contact holder structural representation of the present invention;
Among the figure, lamp socket-1; Lamp housing-2; Radiator-3; Luminescence component-4; Heat-conducting layer-5; Lamp holder-11; Steam vent-12; Installation portion-13; Reference column-14; Body-31; Fin-32; Heat dissipation channel-33; Locating hole-34; First circuit board-41; Second circuit board-42, the first end-331; Second end-332.
The specific embodiment
In order to make the purpose, technical solutions and advantages of the present invention clearer, below in conjunction with embodiment and accompanying drawing, further to the detailed description of the invention.Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.
For overcoming shortcomings such as the heat dispersion difference of prior art bulb own, the invention provides a kind of bulb with heat sinking function, it has utilized the cross-ventilation principle cleverly, by to the bulb optimization of inside structure, improved the bulb heat radiation performance, it can be used for bulb that temperature rise is had relatively high expectations, as is provided with LED bulb of circuit board etc.
As shown in Figure 1, shown in Fig. 1 is the outline drawing of bulb of the present invention, comprises lamp socket 1 and links to each other so that bulb has the lamp housing 2 of closed chamber with lamp socket.
Described lamp housing 2 is the rotary body of almost spherical, can protect the parts of bulb the inside, also can be used for converging of light or disperse to be arranged to other shapes according to the light refraction principle in case of necessity, as semiellipsoid.Above-mentioned lamp socket 1 comprises for connecting the outside lamp holder 11 that connects the lamp holder plug of power supply, it is that the copper product with excellent conductive performance is made, electroplating surface one deck nickel metal is used for preventing that rust is rotten, and base surface has spiral helicine rotary body and can be used for fixing with lamp socket.
As Fig. 2～shown in Figure 3, what Fig. 2 illustrated is the full sectional view of bulb of the present invention, and shown in Fig. 3 is the explosive view of bulb of the present invention.Lamp socket 1 inner surface has one, and the wall portion of cavity is provided with several steam vents 12 for the cavity that holds, and steam vent 12 tops are provided with radiator 3, and radiator 3 tops are provided with in order to electric energy is converted into the luminescence component 4 of luminous energy.Above-mentioned radiator 3 comprises body 31 and the fin 32 that extends from described body 31, and luminescence component 4 comprises the first circuit board 41 that is provided with light source; Above-mentioned radiator 3 is pressed close to first circuit board 31, and the gap between the adjacent fin 32 forms several heat dissipation channels 33, is provided with a steam vent 12 in the described heat dissipation channel 33 at least.
In the present embodiment, every heat dissipation paths 33 is equipped with a steam vent 12, but also can be provided with other steam vents 12 in the lamp socket wall portion of heat dissipation channel 33 correspondences as required.Of the present inventionly press close to, namely comprise physically directly contact, also comprise by the good material mediate contact of thermal conductivity factor.
According to bulb of the present invention, owing to be provided with radiator 3 in lamp socket 1, radiator 3 extended fin 32 are formed several heat dissipation channels 33, and are provided with louvre 12 in heat dissipation channel 33.Radiator 3 is near thermal source (first circuit board 41), the heat of thermal source is conducted on the body 31 of radiator 3, thereby spread the air that is passed in the heat dissipation channel 33 by body 31 to the low heat dissipation channel 33 of temperature then, flowing of air-flow often flow to the temperature lower from the temperature eminence, and steam vent 12 stow away from heats, and with external communications, so form a thermal convection current smoothly inside and outside bulb, the heat exchange in the thermal convection current process effectively reduces the temperature in the bulb.The present invention is based on air current flow in the bulb heat radiation process has been done big quantity research and obtained, it has followed the aerodynamics principle, has improved radiating efficiency, has effectively lowered the temperature in the bulb, improves bulb service life.
As Fig. 2, shown in Figure 4, shown in Fig. 4 is bulb heat radiation device structural representation of the present invention.The preferred embodiment of the invention, described heat dissipation channel 33 comprise first end 331 near first circuit board 41, reach second end 332 away from first circuit board 41, and described steam vent 12 is located at described second end 332.In heat dissipation channel 33, first end 331 near as first circuit board 41, the second ends 332 of thermal source away from first circuit board 41.Steam vent 12 is located at second end 332, can make and take full advantage of radiator 3 area of dissipations, make the radiator part between first end 331 and second end 332 all participate in heat transmission and heat exchange, secondly make that away from first circuit board 41 steam vent 12 place's temperature are lower, increased the thermograde in the heat transfer process, it is faster that heat is transmitted.Otherwise, if be located at its elsewhere then may cause steam vent 12 place's temperature higher, and cause thermograde to reduce, difficult heat transfer.
As shown in Figure 5, be contact holder structural representation of the present invention shown in Fig. 5; Further preferred embodiment is provided with a step 11 in the described lamp socket 1, and described step 11 extends the suitable boss of some and described heat dissipation channel along described heat dissipation channel 33 directions, and described steam vent 12 is located on the boss inner and outside to be communicated with lamp socket 1.This step can induce heat along the step transmission, influences other positions in the lamp socket 1 and it is exceeded, in particular for the key position of control circuit is installed.If several boss, and steam vent is located on the boss, can position radiator 3, making it be unlikely in the use radiator 3 deflections blocks steam vent, can in the engagement process of boss and heat dissipation channel 33, form a relative airtight space again, make most of heat carry out heat exchange with the external world, be used for installation temperature rise is required the position of high parts along entering the lower part of lamp socket 1 in the gap of radiator 3 and step 11 and then influence in the lamp socket other and be unlikely to too much, as control circuit.
As shown in Figure 4, a kind of preferred embodiment, described radiator 33 also is provided with in order to transmitting the heat-conducting layer 5 of the heat that first circuit board 41 distributes near the end of first circuit boards 41, and described heat-conducting layer 5 is made by heat conductive silicon grease material.Because heat-conducting silicone grease has preferable heat conductivility, it can be passed to radiator 3 with the heat that produces in the first circuit board 41 rapidly, avoids heat in first circuit board 41 gatherings and surpasses safe range, has also improved radiating efficiency.
As shown in Figure 3, in the above embodiments, wherein first circuit board 41 can have the electronic devices and components of illuminating, the electronic devices and components that also can have control bulb voltage or electric current to use, and namely the luminescence component 4 of bulb is integrated in the first circuit plate 41 and gets final product.But facts have proved that control circuit is had relatively high expectations to temperature rise, also comprise second circuit board 42 so a kind of preferred embodiment of the present invention is described luminescence component 4, described first circuit board 41 and second circuit board 42 are located at the two ends of radiator 3 respectively.Wherein first circuit board 42 is provided with light source, and it can produce a large amount of heat, and second circuit board 42 is provided with control circuit.By radiator second circuit board 42 and first circuit board 41 are isolated, effectively protected control circuit in the second circuit board 42, and then improve bulb service life.
And in a kind of optimal way based on above-described embodiment, described lamp socket 1 is provided with for the installation portion 13 that second circuit board 42 is installed, and described installation portion 13 is stopper slots of forming from the extended raised line of described lamp socket wall portion.So, can position and install second circuit board 42 easily, product assembling is accommodated, also save the necessary parts of fixedly using.Certainly, above-mentioned stopper slot also can be used for spacing projection with some mutual compositions and substitute, and it will be understood that to be that present embodiment a kind of is equal to alternative.
Shown in Fig. 3～4, another preferred embodiment, in order to make radiator 3 better location in lamp socket 1, also be provided with at least two on the described lamp socket 1 and be used for radiator 3 is installed the reference columns 14 of location, the body correspondence of described radiator 3 be provided with the locating hole 34 suitable with described reference column 14.During installation, the locating hole 34 that only needs to be located in the body 31 of radiator 3 is aimed at the reference column 14 of being located at lamp socket 1, can realize the installation location of radiator 3, so that steam vent 12 is in the heat dissipation channel 33 of correspondence.Above-mentioned locating hole 34 can also can be blind hole for through hole, but the operator observes when the location is installed, and present embodiment is preferably through hole.Above-mentioned reference column 14 can arrange arbitrarily as required with the quantity of locating hole 34, and general reference column 14 and locating hole 34 all can satisfy location requirement for suitable more than two groups, but in order to obtain more excellent locating effect, present embodiment is selected three groups for use.
The preferred embodiment of the invention, for making Homogeneouslly-radiating, described radiator 3 is made for aluminum alloy materials, and described fin 32 is distributed on the body 31 uniformly.Aluminum alloy materials possesses preferable heat-conductive characteristic, can be used for heat radiation preferably, and above-mentioned radiator 3 bodies 31 are cylindric, and fin 3 is laminar, and is distributed in uniformly on the body 31, in order to increase and the air contact area, improves heat transference efficiency.
By the description of this invention, can know and know and realized following technique effect according to the present invention.By increasing radiator 3 in lamp socket 1, and a series of structure optimization is carried out in bulb inside, it need not that lamp socket 1 is made the good metal material of heat-conductive characteristic can realize better radiating effect.So according to bulb of the present invention, at first reduced the weight of itself, improved its property easy to use; Secondly, reduced material cost, be convenient to the user and accept; Again, it possesses good radiating effect, shows that through test of many times bulb internal temperature of the present invention is no more than 50 degrees centigrade, in the normal range of operation of inner each device of bulb or material, thus the service life of having improved bulb itself.
The above only is preferred embodiment of the present invention, and is not all within the spirit and principle of invention in order to limiting the present invention, any modification of doing, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. bulb with heat sinking function comprises:
The cavity that lamp socket, described lamp socket comprise in order to the lamp holder that connects power supply and be used for holding, the wall portion of described cavity is provided with several steam vents;
Luminescence component is located in the lamp socket, in order to electric energy is converted into luminous energy, comprises the first circuit board that is provided with light source; And
Radiator, described radiator is pressed close to first circuit board, in order to transmit the heat that first circuit board distributes, comprises body and some from the extended fin of body;
It is characterized in that the gap between the adjacent fin forms several heat dissipation channels, be provided with a steam vent in the described heat dissipation channel at least.
2. bulb according to claim 1 is characterized in that, described heat dissipation channel comprises first end near first circuit board, reaches second end away from first circuit board, and described steam vent is located at described second end.
3. bulb according to claim 2, it is characterized in that, be provided with a step in the described lamp socket, described step extends the suitable boss of some and described heat dissipation channel along described heat dissipation channel direction, and described steam vent is located on the boss inner and outside to be communicated with lamp socket.
4. bulb according to claim 1 is characterized in that, described radiator also is provided with in order to transmit the heat-conducting layer of the heat that first circuit board distributes near the end of first circuit board, and described heat-conducting layer is made by heat conductive silicon grease material.
5. according to any described bulb of claim 1～4, it is characterized in that described luminescence component also comprises second circuit board, described first circuit board and second circuit board are located at the two ends of radiator respectively.
6. bulb according to claim 5 is characterized in that, described lamp socket is provided with for the installation portion that second circuit board is installed, and described installation portion is the stopper slot of forming from the extended raised line of described lamp socket wall portion.
7. bulb according to claim 5 is characterized in that, also is provided with at least two reference columns that are used for radiator is installed the location on the described lamp socket, the body correspondence of described radiator be provided with the locating hole suitable with described reference column.
8. bulb according to claim 2 is characterized in that, described radiator is that aluminum alloy materials is made, and described fin is distributed on the body uniformly.
9. bulb according to claim 2 is characterized in that, described light source is a plurality of light emitting diodes.
10. bulb according to claim 2 is characterized in that, also comprises lamp housing, and described lamp housing is installed on the lamp socket so that described bulb is airtight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102852266A CN103343903A (en) | 2013-07-09 | 2013-07-09 | Lamp bulb with heat dissipation function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102852266A CN103343903A (en) | 2013-07-09 | 2013-07-09 | Lamp bulb with heat dissipation function |
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| Publication Number | Publication Date |
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| CN103343903A true CN103343903A (en) | 2013-10-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013102852266A Pending CN103343903A (en) | 2013-07-09 | 2013-07-09 | Lamp bulb with heat dissipation function |
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| CN (1) | CN103343903A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103486483A (en) * | 2013-10-22 | 2014-01-01 | 南通恺誉照明科技有限公司 | LED (light-emitting diode) spherical bulb structure |
| CN103899953A (en) * | 2014-03-12 | 2014-07-02 | 浙江阳光照明电器集团股份有限公司 | LED bulb lamp capable of achieving automatic assembly |
| CN103899954A (en) * | 2014-03-12 | 2014-07-02 | 浙江阳光照明电器集团股份有限公司 | LED bulb lamp capable of achieving automatic assembly |
| CN105371249A (en) * | 2014-08-18 | 2016-03-02 | 潘忠勋 | Cyclone type cooling LED street lamp and lamp |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202629751U (en) * | 2012-07-11 | 2012-12-26 | 宁波市爱使电器有限公司 | LED light source with high heat radiation performance |
| CN202927568U (en) * | 2012-11-20 | 2013-05-08 | 厦门麦普电光源有限公司 | Light-emitting diode (LED) bulb lamp |
| CN202927791U (en) * | 2012-11-20 | 2013-05-08 | 厦门麦普电光源有限公司 | Heat dissipation structure of light-emitting diode (LED) lamp |
| CN202947104U (en) * | 2012-12-12 | 2013-05-22 | 北京佰能光电技术有限公司 | LED spotlight housing |
-
2013
- 2013-07-09 CN CN2013102852266A patent/CN103343903A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202629751U (en) * | 2012-07-11 | 2012-12-26 | 宁波市爱使电器有限公司 | LED light source with high heat radiation performance |
| CN202927568U (en) * | 2012-11-20 | 2013-05-08 | 厦门麦普电光源有限公司 | Light-emitting diode (LED) bulb lamp |
| CN202927791U (en) * | 2012-11-20 | 2013-05-08 | 厦门麦普电光源有限公司 | Heat dissipation structure of light-emitting diode (LED) lamp |
| CN202947104U (en) * | 2012-12-12 | 2013-05-22 | 北京佰能光电技术有限公司 | LED spotlight housing |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103486483A (en) * | 2013-10-22 | 2014-01-01 | 南通恺誉照明科技有限公司 | LED (light-emitting diode) spherical bulb structure |
| CN103899953A (en) * | 2014-03-12 | 2014-07-02 | 浙江阳光照明电器集团股份有限公司 | LED bulb lamp capable of achieving automatic assembly |
| CN103899954A (en) * | 2014-03-12 | 2014-07-02 | 浙江阳光照明电器集团股份有限公司 | LED bulb lamp capable of achieving automatic assembly |
| CN105371249A (en) * | 2014-08-18 | 2016-03-02 | 潘忠勋 | Cyclone type cooling LED street lamp and lamp |
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Application publication date: 20131009 |