CN104748082A - Lighting device - Google Patents
Lighting device Download PDFInfo
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- CN104748082A CN104748082A CN201310746086.8A CN201310746086A CN104748082A CN 104748082 A CN104748082 A CN 104748082A CN 201310746086 A CN201310746086 A CN 201310746086A CN 104748082 A CN104748082 A CN 104748082A
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- Prior art keywords
- radiator
- cell
- shell
- external member
- lighting device
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
- F21V17/16—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting
Abstract
The invention discloses a lighting device. The lighting device comprises a plurality of LED light sources, a lamp body, a connector and an elastic sleeve. The connector is connected with the lamp body and an external power source. The LED light sources are fixed on the lamp body. The elastic sleeve sleeves the lamp body. At least a part of light rays of the LED light sources penetrate the insulting sleeve to be emitted.
Description
[technical field]
The present invention relates to a kind of lighting device, especially a kind of lighting device.
[background technology]
In current LED light source (as bulb lamp, MR16, GU10 etc.), common lamp body material is aluminium, heat-conducting plastic or generic engineering plastics etc.From the angle of heat radiation, the lamp body effect of aluminum is best.From insulation and safe angle, the lamp body of generic engineering plastics is best.And the performance of heat-conducting plastic, comprise heat conduction and insulation, then between aluminium and engineering plastics.In order to take into account safety and heat dispersion, usually can by engineering plastics or heat-conducting plastic and metal, such as aluminium, in the fabrication process, coated, compressed together, thus make lamp body.But such manufacturing process is complicated.Make lamp body iff with metal, insulating properties can be caused again not reach high safety requirements, Danger Electric shock risk occurs.
On the other hand, the light of light source needs to be penetrated by light-emitting window, the cell-shell that light-emitting window has ball to steep usually, lens of MR16, GU10 etc.Therefore, the structure of LED light source generally includes lamp body, light-emitting window, lamp holder etc., and light-emitting window is made up of optics PC or glass usually, is then fixed on lamp body.When light-emitting window glass is made, LED light source is easily broken because being subject to external force, has potential safety hazard.
Therefore, in order to overcome above-mentioned defect, be necessary the lighting device that a kind of improvement is provided.
[summary of the invention]
The object of the present invention is to provide a kind of lighting device.
To achieve these goals, the present invention adopts following technical scheme: a kind of lighting device, comprise LED light source, lamp body, be connected and the connector be connected with external power source and elastic external member with lamp body, described LED light source is fixed on described lamp body, it is outside that described elastic external member is enclosed within described lamp body, and the light of described LED light source has at least and partially passes through the injection of described insulation external member.
Preferably, described lighting device is bulb lamp, and described lamp body comprises cell-shell and radiator, and described cell-shell is connected with described radiator, and described insulation external member wraps up the outside of described cell-shell and radiator.
Preferably, described lamp body comprises radiator, described radiator comprises main part and cooling stand, described insulation external member wraps up cooling stand and the main part of described radiator, described cooling stand has some hollow-out parts, the light of described LED light source, by hollow-out parts, transmits from described insulation external member.
Preferably, described cooling stand supports described insulation external member, and all light of described LED light source are all from described insulation external member injection.
Preferably, described lamp body also comprises cell-shell, and described cell-shell is connected with described radiator, and the other end of described insulation external member is fixed between described cell-shell and described radiator.
Preferably, described lamp body also comprises cell-shell, and described cell-shell is connected with described radiator, and described insulation external member wraps up the outside of described cell-shell and radiator.
Preferably, described cell-shell is body formed for dividing, comprise some sub-cell-shells, the hollow-out parts of described cooling stand is corresponding with described sub-cell-shell, sub-cell-shell described in each is arranged in corresponding described hollow-out parts, the top of described each hollow-out parts of cooling stand has a draw-in groove, the main part of described radiator has fin, each sub-cell-shell described has the buckle slot that is positioned at bottom, the top shape of described sub-cell-shell is sharper, the buckle slot of described sub-cell-shell is snapped on the fin of described radiator body, and the top of described sub-cell-shell snaps in the draw-in groove at described cooling stand top.
Preferably, described lighting device also comprises an insulation fixed part, and described lamp body is fixed in one end of elastic external member by described insulation fixed part.
Preferably, described insulation fixed part has the ring part of U-shaped profile, and one end of described elastic external member is fixed between insulation fixed part and radiator by ring part.
Preferably, described lamp body also comprises the insulator spacer of driving power and isolation drive power supply and connector, described insulator spacer has holddown groove, insulation fixed part has fixed strip, the fixed strip of described insulation fixed part snaps in the holddown groove of insulator spacer, thus insulation fixed part is fixed on lamp body.
Compared to prior art, lighting device of the present invention has following advantage: structure is simple, good insulation preformance, and lighting device good looking appearance.
[accompanying drawing explanation]
Fig. 1 is the three-dimensional exploded view of lighting device first of the present invention preferred embodiment.
Fig. 2 is the sectional view of lighting device first of the present invention preferred embodiment.
Fig. 3 is the three-dimensional exploded view of lighting device second of the present invention preferred embodiment.
Fig. 4 is the sectional view of lighting device second of the present invention preferred embodiment.
Fig. 5 is the three-dimensional exploded view of lighting device of the present invention 3rd preferred embodiment.
Fig. 6 is the sectional view of lighting device of the present invention 3rd preferred embodiment.
Fig. 7 is the three-dimensional exploded view of lighting device of the present invention 4th preferred embodiment.
Fig. 8 is the sectional view of lighting device of the present invention 4th preferred embodiment.
Fig. 9 is the three-dimensional exploded view that the cooling stand of the radiator of lighting device of the present invention divides body formed embodiment.
Figure 10 is the three-dimensional exploded view of lighting device of the present invention 5th preferred embodiment.
Figure 11 is the stereogram of cooling stand and sub-cell-shell in lighting device of the present invention 5th preferred embodiment.
Figure 12 is the sectional view of lighting device of the present invention 5th preferred embodiment.
Figure 13 is the three-dimensional exploded view of lighting device of the present invention 6th preferred embodiment.
[detailed description of the invention]
A kind of lighting device of the present invention, comprises LED light source, lamp body, is connected and the connector be connected with external power source and elastic external member with lamp body.LED light source is fixed on lamp body, and elastic external member is enclosed within lamp body outside, and lighting device also comprises an insulation fixed part, and lamp body is fixed in one end of elastic external member by insulation fixed part.Lighting device of the present invention, in the outer setting insulation external member of lamp body, makes lamp body attractive in appearance and has good insulating radiation.Meanwhile, lighting device has insulation fixed part to be fixed on lamp body by elastic external member, insulation external member firmly can be fixed on lamp body, and can not be torn easily, thus make the security of lighting device better, the danger of getting an electric shock can not occur.
Further, lamp body comprises radiator, and insulation fixed part ringwise, be made up of metal material by radiator.One end of elastic external member is fixed between insulation fixed part and radiator by insulation fixed part.Like this, elastic external member is completely coated by radiator, and to be exposed in air be all insulating materials, makes lighting device have good security.On the other hand, elastic external member has good thermal diffusivity, makes the heat radiation of lighting device good.
Please refer to shown in Fig. 1 and Fig. 2, the lighting device 1 of the present invention first preferred embodiment comprises LED light source 11, lamp body 12, is connected and the connector 13 be connected with external power source and elastic external member 14 with lamp body 12.LED light source 11 is fixed on lamp body 12, and it is outside that elastic external member 14 is enclosed within lamp body 12.Lighting device 1 also comprises an insulation fixed part 15.Lamp body 12 is fixed in one end of elastic external member 14 by insulation fixed part 15.Lamp body 12 comprises radiator 120, and insulation fixed part 15 ringwise, be made up of metal material by radiator 120.One end of elastic external member 14 is fixed between insulation fixed part 15 and radiator 120 by insulation fixed part 15.
Lamp body 12 also comprises the insulator spacer 124 of driving power 123 and isolation drive power supply 123 and connector 13.In the present embodiment, insulation fixed part 15 is fixed in insulator spacer 124.Insulator spacer 124 has holddown groove 1240, and insulation fixed part 15 has fixed strip 150, and fixed strip 150 to snap in the holddown groove 1240 of insulator spacer 124 thus is fixed on lamp body 12 by insulation fixed part 15.Insulation fixed part 15 also has the ring part 151 that cross section roughly takes the shape of the letter U, and one end of elastic external member 14 is fixed between insulation fixed part 15 and radiator 120 by ring part 151.The U-shaped structure of ring part 151 makes it have certain elasticity, can better fix elastic external member 14.In other embodiments, insulation fixed part 15 also can change shape as required, or is fixed on other positions of lamp body 12.
In the present embodiment, lamp body 12 also comprises cell-shell 121, and cell-shell 121 is connected with radiator 120, and the other end of insulation external member 14 is fixed between radiator 120 and cell-shell 121.Cell-shell 121 is fixed on radiator 120, and in the present embodiment, cell-shell 121 sticks on radiator 120 by glue, and in other embodiments, cell-shell 121 also can pass through additive method, the mode of such as clamping, is fixed on radiator 120.The light of LED light source 11 is penetrated by cell-shell 121.Insulation external member 14 has following characteristic:
1) have appropriate elasticity and hardness, such as Shore A hardness is 10 ~ 90.
2) have suitable thickness, the thickness of the external member that insulate in the present embodiment 14 is less than 2mm, is especially less than 1mm.
3) there is high-insulativity.
4) have good temperature tolerance, in the present embodiment, insulation external member 14 at least can bear the high temperature of 150 degrees Celsius.
5) external member 14 that insulate is slightly less than the curve shape of the lamp body 12 of lighting device 1, and such as little 0.1 to 0.5mm, after ensureing assembling, insulation external member 14 and lamp body 12 close contact.
6) external member 14 that insulate, before LED light source 11 is assembled with lamp body 12, has been enclosed within the radiator 120 of LED light source.
In other embodiments, insulation external member 14 also can arrange its elasticity, hardness etc. as required.
In the present embodiment lighting device 1 have insulation external member 14 be enclosed within radiator 120.One end of insulation external member 14 is fixed between insulation fixed part 15 and radiator 120, and the other end is fixed between radiator 120 and cell-shell 121, makes insulation external member 14 radiator 120 is coated on completely insulation external member 14 inner.The fixed part 15 that wherein insulate is connected in radiator 120, and is firmly fixed between radiator 120 and insulation fixed part 15 one end of insulation external member 14, ensure that insulation external member 14 will be caused radiator 120 to be exposed to outside by pulling out easily.Make the insulation characterisitic of lighting device 1 better like this thus make the security of lighting device 1 good.And the assembling of lighting device 1 is simple, be easy to operation.
In the present embodiment, the installed surface of LED light source 11 and the junction of cell-shell 121 and radiator 120 are roughly positioned at same plane, and the light of LED light source 11 is penetrated by cell-shell 121 completely.
The lamp body 12 of lighting device 1 also comprises aluminium base 122.Aluminium base 122 is connected with radiator 120, and in the present embodiment, aluminium base 122 and radiator 120 interference fit, the size of aluminium base 122 is greater than the size of radiator 120 and aluminium base 122 coupling part.In other embodiments, aluminium base 122 also can coordinate with radiator 120 by other means.
Please refer to shown in Fig. 3 and Fig. 4, the lighting device 2 of the present invention second preferred embodiment comprises LED light source 21, lamp body 22, is connected and the connector 23 be connected with external power source and elastic external member 24 with lamp body 22.LED light source 21 is fixed on lamp body 22, and it is outside that elastic external member 24 is enclosed within lamp body 22.Lighting device 2 also comprises an insulation fixed part 25.Lamp body 22 is fixed in one end of elastic external member 24 by insulation fixed part 25.Lamp body 22 comprises the insulator spacer 224 of radiator 220, cell-shell 221, aluminium base 222, driving power 223 and isolation drive power supply 223 and connector 23.Insulation fixed part 25 ringwise, be made up of metal material by radiator 220.One end of elastic external member 24 is fixed between insulation fixed part 25 and radiator 220 by insulation fixed part 25.Lighting device 2 structure of the present embodiment is roughly the same with the first preferred embodiment, and the radiator 220 unlike the lighting device 2 of the present embodiment has larger difference in height with the junction of cell-shell 221 and the mounting plane of LED light source 21.In the present embodiment, the light of LED light source 21 does not penetrate by means of only cell-shell 221, and some is penetrated by insulation external member 24.Radiator 220 comprises main part 2201 and cooling stand 2202, and insulation external member 24 wraps up cooling stand 2202 and the main part 2201 of radiator 220.
Cooling stand 2202 has some hollow-out parts 2203, and the light of LED light source 21 is by hollow-out parts 2203, and transmit from insulation external member 24, another part light penetrates from cell-shell 221.In the present embodiment, not only the insulation characterisitic of lighting device 2 is good, security is good, and the different reflectivity that can arrange cell-shell 221 and insulation external member 24 is as required to reach the difference needs of lighting device 2.The reflectivity such as arranging cell-shell 221 is comparatively large, and the reflectivity of insulation external member 24 is less, and transmissivity is higher, can make the bright dipping of lighting device 2 wide-angle.Therefore the structure of the lighting device 2 of the present embodiment can realize wide-angle bright dipping, and structure is simple, easily manufactured.
Insulation external member 24 has following characteristic:
1) have appropriate elasticity and hardness, such as Shore A hardness is 10 ~ 90.
2) have suitable thickness, the thickness of the external member that insulate in the present embodiment 24 is less than 2mm, is especially less than 1mm.
3) there is high-insulativity.
4) have good temperature tolerance, in the present embodiment, insulation external member 24 at least can bear the high temperature of 150 degrees Celsius.
5) external member 24 that insulate is slightly less than the curve shape of the lamp body 22 of lighting device 2, and such as little 0.1 to 0.5mm, after ensureing assembling, insulation external member 24 and lamp body 22 close contact.
6) external member 24 that insulate, before LED light source 21 is assembled with lamp body 22, has been enclosed within the radiator 220 of LED light source.
In other embodiments, insulation external member 24 also can arrange its elasticity, hardness etc. as required.
Please refer to shown in Fig. 5 and Fig. 6, the lighting device 3 of the present invention the 3rd preferred embodiment comprises LED light source 31, lamp body 32, is connected and the connector 33 be connected with external power source and elastic external member 34 with lamp body 32.LED light source 31 is fixed on lamp body 32, and it is outside that elastic external member 34 is enclosed within lamp body 32.Lighting device 3 also comprises an insulation fixed part 35.Lamp body 32 is fixed in one end of elastic external member 34 by insulation fixed part 35.Lamp body 32 comprises radiator 320, cell-shell 321 and aluminium base 322.Insulation fixed part 35 ringwise, be made up of metal material by radiator 320.One end of elastic external member 34 is fixed between insulation fixed part 35 and radiator 320 by insulation fixed part 35.Insulation external member 34 wraps up the outside of cell-shell 321 and radiator 320, namely in the present embodiment, and the complete coated cell-shell 321 of insulation external member 34 and radiator 320, and not only as in first, second embodiment, just wrap up radiator 120,220.The insulation external member 34 of the present embodiment lighting device 3 wraps up cell-shell 321 and radiator 320, end is fixed between radiator 320 and insulation fixed part 35, thus there is good insulating properties, security, and structure is simple, cost is low, and the external member that insulate 34 integral coating cell-shell 321 and radiator 320 also make to form integral structure outside lighting device 3, good looking appearance, simultaneously, do not need to do too accurate process to reach compact siro spinning technology to the junction of cell-shell 321 and radiator 320, the requirement to lamp body 32 technique can be reduced like this, make manufacture simpler, more easily save cost.
Insulation external member 34 has following characteristic:
1) high light transmittance.
2) appropriate elasticity and hardness, such as Shore A hardness is 10 ~ 90.
3) suitable thickness, is such as less than 2mm, is especially less than 1mm.
4) high-insulativity.
5) good temperature tolerance, such as can bear the high temperature of 150 degrees Celsius.
6) insulate external member 34 inner surface curve shape than the radiator 320 of lamp body 32 and the curve shape of cell-shell 321 slightly little, such as little 0.1 to 0.5mm, after ensureing assembling, insulation external member 34 and radiator 320 and cell-shell 321 close contact.
In other embodiments, insulation external member 34 also can arrange its elasticity, hardness etc. as required.
In the present embodiment, cell-shell 321 is one-body molded, and radiator 320 is one-body molded, and cell-shell 321 is installed on radiator 320.
In the present embodiment, insulation fixed part 35 is connected in radiator 320, and is firmly fixed between radiator 320 and insulation fixed part 35 one end of insulation external member 34, ensure that insulation external member 34 will be caused radiator 320 to be exposed to outside by pulling out easily.Make the insulation characterisitic of lighting device 3 better like this thus make the security of lighting device 3 good.And the assembling of lighting device 3 is simple, be easy to operation.
In the present embodiment, the installed surface of LED light source 31 and the junction of cell-shell 321 and radiator 320 are roughly positioned at same plane, and the light of LED light source 31 is penetrated by cell-shell 321 completely.
Aluminium base 322 is connected with radiator 320, and in the present embodiment, aluminium base 322 and radiator 320 interference fit, the size of aluminium base 322 is greater than the size of radiator 320 and aluminium base 322 coupling part.In other embodiments, aluminium base 322 also can coordinate with radiator 320 by other means.
Please refer to shown in Fig. 7 and Fig. 8, the lighting device 4 of the present invention the 4th preferred embodiment comprises in LED light source 41, lamp body 42 figure does not have label, be connected with lamp body 42 and the connector 43 be connected with external power source and elastic external member 44.LED light source 41 is fixed on lamp body 42, and it is outside that elastic external member 44 is enclosed within lamp body 42.Lighting device 4 also comprises an insulation fixed part 45.Lamp body 42 is fixed in one end of elastic external member 44 by the solid portion 45 of insulation.Lamp body 42 comprises in radiator 420 figure does not have label, cell-shell 421 and aluminium base 422.Insulation fixed part 45 ringwise, be made up of metal material by radiator 420.One end of elastic external member 44 is fixed between insulation fixed part 45 and radiator 420 by insulation fixed part 45.Insulation external member 44 wraps up the outside of cell-shell 421 and radiator 420, namely in the present embodiment, the complete coated cell-shell 421 of insulation external member 44 and radiator 420, and not only as in first, second embodiment, just wrap up the label that radiator provides first, second embodiment.The insulation external member 44 of the present embodiment lighting device 4 wraps up cell-shell 421 and radiator 420, end is fixed between radiator 420 and insulation fixed part 45, thus there is good insulating properties, security, and structure is simple, cost is low, and the external member that insulate 44 integral coating cell-shell 421 and radiator 420 also make to form integral structure outside lighting device 4, good looking appearance, simultaneously, do not need to do too accurate process to reach compact siro spinning technology to the junction of cell-shell 421 and radiator 420, the requirement to lamp body 42 technique can be reduced like this, make manufacture simpler, more easily save cost.
Insulation external member 44 has following characteristic:
1) high light transmittance.
2) appropriate elasticity and hardness, such as Shore A hardness is 10 ~ 90.
3) suitable thickness, is such as less than 2mm, is especially less than 1mm.
4) high-insulativity.
5) good temperature tolerance, such as can bear the high temperature of 150 degrees Celsius.
6) insulate external member 44 inner surface curve shape than the radiator 420 of lamp body 42 and the curve shape of cell-shell 421 slightly little, such as little 0.1 to 0.5mm, after ensureing assembling, insulation external member 44 and radiator 420 and cell-shell 421 close contact.
In the present embodiment, with the junction of cell-shell 421 and the mounting plane of LED light source 41, there is larger difference in height unlike the radiator 420 of, lighting device 4 with the 3rd embodiment.Radiator 420 comprises main part 4201 and cooling stand 4202, and insulation external member 44 wraps up the cooling stand 4202 of radiator 420, main part 4201 and cell-shell 421.Cooling stand 4202 has some hollow-out parts 4203, and the light of LED light source 41 is by hollow-out parts 4203, and transmit from insulation external member 44, another part light penetrates from cell-shell 421.In the present embodiment, not only the insulation characterisitic of lighting device 4 is good, security is good, and the different reflectivity that can arrange cell-shell 421 and insulation external member 44 is as required to reach the difference needs of lighting device 4.The reflectivity such as arranging cell-shell 421 is comparatively large, and the reflectivity of insulation external member 44 is less, and transmissivity is higher, can make the bright dipping of lighting device 4 wide-angle.Therefore the structure of the lighting device 4 of the present embodiment can realize wide-angle bright dipping, and structure is simple, easily manufactured.
In the present embodiment, the main part 4201 of radiator 420 is one-body molded with cooling stand 4202, and in other embodiments, radiator 420 also can be separately shaping.Such as, can main part 4201 and cooling stand 4202 be separated shaping, then cooling stand 4202 is installed on main part 4201.Wherein cooling stand 4202 can be one-body molded, also passable, and as shown in Figure 9, comprise separately shaping two parts, two parts are installed on main part 4201 respectively.More than can find out, cooling stand can be separating stent-graft, cooling stand or be individually fixed in described main part, or one-body molded with main part respectively.
Aluminium base 422 is connected with radiator 420, and in the present embodiment, aluminium base 422 and radiator 420 interference fit, the size of aluminium base 422 is greater than the size of radiator 420 and aluminium base 422 coupling part.In other embodiments, aluminium base 422 also can coordinate with radiator 420 by other means.
Please refer to shown in Figure 11 to Figure 13, the present invention the 5th preferred embodiment lighting device 5 comprises LED light source 51, lamp body 52, is connected and the connector 53 be connected with external power source and elastic external member 54 with lamp body 52.LED light source 51 is fixed on lamp body 52, and it is outside that elastic external member 54 is enclosed within lamp body 52.Lighting device 5 also comprises an insulation fixed part 55.Lamp body 52 is fixed in one end of elastic external member 54 by the solid portion 55 of insulation.Lamp body 52 comprises radiator 520, cell-shell 521 and aluminium base 522.Insulation fixed part 55 ringwise, be made up of metal material by radiator 520.One end of elastic external member 54 is fixed between insulation fixed part 55 and radiator 520 by insulation fixed part 55.Insulation external member 54 wraps up the outside of cell-shell 521 and radiator 520, namely in the present embodiment, and the complete coated cell-shell 521 of insulation external member 54 and radiator 520, and not only as in first, second embodiment, just wrap up radiator 120,220.The insulation external member 54 of the present embodiment lighting device 5 wraps up cell-shell 521 and radiator 520, end is fixed between radiator 520 and insulation fixed part 55, thus there is good insulating properties, security, and structure is simple, cost is low, and the external member that insulate 54 integral coating cell-shell 521 and radiator 520 also make to form integral structure outside lighting device 5, good looking appearance, simultaneously, do not need to do too accurate process to reach compact siro spinning technology to the junction of cell-shell 521 and radiator 520, the requirement to lamp body 52 technique can be reduced like this, make manufacture simpler, more easily save cost.
Insulation external member 54 has following characteristic:
1) high light transmittance.
2) appropriate elasticity and hardness, such as Shore A hardness is 10 ~ 90.
3) suitable thickness, is such as less than 2mm, is especially less than 1mm.
4) high-insulativity.
5) good temperature tolerance, such as can bear the high temperature of 150 degrees Celsius.
6) insulate external member 54 inner surface curve shape than the radiator 520 of lamp body 52 and the curve shape of cell-shell 521 slightly little, such as little 0.1 to 0.5mm, after ensureing assembling, insulation external member 54 and radiator 520 and cell-shell 521 close contact.
In the present embodiment, with the 3rd embodiment unlike the cell-shell 521 of, lighting device 5 for point body formed, comprise some sub-cell-shells 5210.Radiator 520 comprises main part 5201 and cooling stand 5202, and insulation external member 54 wraps up the cooling stand 5202 of radiator 520, main part 5201 and cell-shell 521.Cooling stand 5202 has some hollow-out parts 5203, and hollow-out parts 5203 is corresponding with sub-cell-shell 5210, and each sub-cell-shell 5210 is arranged in corresponding hollow-out parts 5203.In the present embodiment, cooling stand 5202 is body formed with 520 points, radiator, and cooling stand 5202 is fixed on aluminium base 522.The top of each hollow-out parts 5203 of cooling stand 5202 has a draw-in groove 5204, and the main part 5201 of radiator 520 has fin 5205, and each sub-cell-shell 5210 has the buckle slot 5212 that is positioned at bottom, and top shape is sharper.The buckle slot 5212 of sub-cell-shell 5210 is snapped on the fin 5205 of radiator 520 main part 5201, and the top of sub-cell-shell 5210 snaps in the draw-in groove 5204 at cooling stand 5202 top.Sub-cell-shell 5210 is individually fixed on radiator 520, and then insulation external member 54 is coated on cell-shell 521 and radiator 520.The light of LED light source 51 passes through the cell-shell 521 of hollow-out parts 5203, then is transmitted by insulation external member 54.
In other embodiments, also can remove cell-shell 521, namely insulate on external member 54 cooling stand 5202 that is directly enclosed within radiator 520 and main part 5201, this spline structure is simpler.Now, the light of LED light source 51 is transmitted by insulation external member 54.
Please refer to shown in Figure 13, namely the lighting device 6 of the present invention the 6th preferred embodiment does not need to arrange cell-shell, but insulation external member 64 is directly enclosed within radiator 620.In the present embodiment, radiator 620 is divided into left and right two parts and divides body formed.Every part comprises half main part 6201 and half cooling stand 6202, and then is assembled mutually by left and right two parts.In the present embodiment, the main part 6201 of a wherein part for radiator 620 has installation portion 6203, the main part 6201 of another part also has installation portion 6205, and two parts of radiator 620 are fitted together through installation portion 6203,6205 by screw 6204.The cooling stand 6202 of the present embodiment is shaped to the shape of cell-shell or the shape of required optical cover, then insulation external member 64 is enclosed within assembling all-in-one-piece radiator 620.The light of LED light source 61 directly penetrates from insulation external member 64.
Insulation external member 64 has following characteristic:
1) high light transmittance.
2) appropriate elasticity and hardness, such as Shore A hardness is 10 ~ 90.
3) suitable thickness, is such as less than 2mm, is especially less than 1mm.
4) high-insulativity.
5) good temperature tolerance, such as can bear the high temperature of 150 degrees Celsius.
6) insulate external member 64 inner surface curve shape than the main part 6201 of radiator 620 and the curve shape of cooling stand 6202 slightly little, such as little 0.1 to 0.5mm, after ensureing assembling, insulation external member 64 and main part 6201 and cooling stand 6202 close contact.
In other embodiments, the parameter of insulation external member 64 also can change as required.
Can find out in above embodiment, the light of the LED light source of the lighting device in the second to the 6th embodiment have at least partially pass through insulation external member injection.The light of the LED light source of the lighting device wherein in the 3rd to the 6th embodiment all can from the injection of insulation external member.A light part for the LED light source of the lighting device in the second embodiment is from cell-shell injection, and a part is from the injection of insulation external member.
Above in all embodiments, insulation external member is all silica gel sheath, in other embodiments, and the material that insulation external member also can select other suitable as required.As long as the requirements such as required elasticity and light transmission can be reached after forming materials, all can be used as making insulation external member of the present invention.
Should be noted that, embodiments of the invention have preferably implementation, and not any type of restriction is done to the present invention, any person skilled in art of being familiar with may utilize the technology contents of above-mentioned announcement change or be modified to equivalent effective embodiment, in every case the content of technical solution of the present invention is not departed from, the any amendment done above embodiment according to technical spirit of the present invention or equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (10)
1. a lighting device, comprise LED light source, lamp body, be connected and the connector be connected with external power source and elastic external member with lamp body, described LED light source is fixed on described lamp body, it is outside that described elastic external member is enclosed within described lamp body, and the light of described LED light source has at least and partially passes through the injection of described insulation external member.
2. lighting device as claimed in claim 1, is characterized in that: described lighting device is bulb lamp, and described lamp body comprises cell-shell and radiator, and described cell-shell is connected with described radiator, and described insulation external member wraps up the outside of described cell-shell and radiator.
3. lighting device as claimed in claim 1, it is characterized in that: described lamp body comprises radiator, described radiator comprises main part and cooling stand, described insulation external member wraps up cooling stand and the main part of described radiator, described cooling stand has some hollow-out parts, the light of described LED light source, by hollow-out parts, transmits from described insulation external member.
4. lighting device as claimed in claim 3, is characterized in that: described cooling stand supports described insulation external member, and all light of described LED light source are all from described insulation external member injection.
5. lighting device as claimed in claim 3, it is characterized in that: described lamp body also comprises cell-shell, described cell-shell is connected with described radiator, and the other end of described insulation external member is fixed between described cell-shell and described radiator.
6. lighting device as claimed in claim 3, it is characterized in that: described lamp body also comprises cell-shell, described cell-shell is connected with described radiator, and described insulation external member wraps up the outside of described cell-shell and radiator.
7. lighting device as claimed in claim 6, it is characterized in that: described cell-shell is body formed for dividing, comprise some sub-cell-shells, the hollow-out parts of described cooling stand is corresponding with described sub-cell-shell, sub-cell-shell described in each is arranged in corresponding described hollow-out parts, the top of described each hollow-out parts of cooling stand has a draw-in groove, the main part of described radiator has fin, each sub-cell-shell described has the buckle slot that is positioned at bottom, the top shape of described sub-cell-shell is sharper, the buckle slot of described sub-cell-shell is snapped on the fin of described radiator body, the top of described sub-cell-shell snaps in the draw-in groove at described cooling stand top.
8. lighting device as claimed in claim 1, it is characterized in that: described lighting device also comprises an insulation fixed part, described lamp body is fixed in one end of elastic external member by described insulation fixed part.
9. lighting device as claimed in claim 1, is characterized in that: described insulation fixed part has the ring part of U-shaped profile, and one end of described elastic external member is fixed between insulation fixed part and radiator by ring part.
10. lighting device as claimed in claim 9, it is characterized in that: described lamp body also comprises the insulator spacer of driving power and isolation drive power supply and connector, described insulator spacer has holddown groove, insulation fixed part has fixed strip, the fixed strip of described insulation fixed part snaps in the holddown groove of insulator spacer, thus insulation fixed part is fixed on lamp body.
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| CN201310746086.8A CN104748082B (en) | 2013-12-30 | 2013-12-30 | A kind of lighting device |
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| CN201310746086.8A CN104748082B (en) | 2013-12-30 | 2013-12-30 | A kind of lighting device |
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| CN104748082A true CN104748082A (en) | 2015-07-01 |
| CN104748082B CN104748082B (en) | 2019-07-16 |
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| CN104748082B (en) | 2019-07-16 |
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