CN105202478A - Lamp cover assembly for tube element LEDs and lighting device with same - Google Patents
Lamp cover assembly for tube element LEDs and lighting device with same Download PDFInfo
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- CN105202478A CN105202478A CN201410257746.0A CN201410257746A CN105202478A CN 105202478 A CN105202478 A CN 105202478A CN 201410257746 A CN201410257746 A CN 201410257746A CN 105202478 A CN105202478 A CN 105202478A
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Abstract
The invention provides a lamp cover assembly for tube element LEDs and a lighting device with the same. The lamp cover assembly comprises a lamp base, a first cover shell and a second cover shell permeable to light; the lamp base is connected with the first cover shell; the first cover shell is connected with the second cover shell in a butt-joint mode to form a sealed space; a heat dissipation part which is made of materials permeable to light and is of a tubular structure is arranged in the sealed space, the peripheral wall face of the heat dissipation part is used for being provided with the tube element LEDs in an attached mode, one end of the heat dissipation part is connected to the first cover shell, and the other end of the heat dissipation part is suspended in the sealed space; in addition, the two portions, located on the inner side and the outer side of the heat dissipation part respectively, of the first cover shell have the height difference, and the two portions are provided with first through holes and second through holes respectively. According to the lamp cover assembly for the tube element LEDs, the heat dissipation problem is effectively solved, and therefore not only can the lighting effect be improved, but also the lighting flux can be increased.
Description
Technical field
The present invention relates to LED illumination, particularly relate to the lampshade assembly of a kind of tubular elementary LED and apply the lighting device of this lampshade assembly.
Background technology
Along with global energy is day by day in short supply, environmental pollution is day by day serious, adopts specular removal, replaces incandescent lamp without the integral compact bulb LED of mercury pollution and part electricity-saving lamp is imperative.
A kind of bulb LED of main flow, as shown in Figure 1, this bulb LED comprises lamp holder 11, metal heat sink 12, plurality of LEDs 13 (in, high-power) and semicircle lampshade 14.Wherein, metal heat sink 12 is connected with lamp holder 11, and is provided with driver within it; Plurality of LEDs 13 is mounted on the lower surface of metal heat sink 12, and is connected with actuator electrical; Semicircle lampshade 14 covers on the lower surface of metal heat sink 12.In actual applications, there is light and lead to little, that light efficiency is low and rising angle is little defect in this bulb LED.Such as, the above-mentioned bulb LED of an A60 bulb normal volume, its input power is 7 ~ 9W; Light leads to for 500lm; Light efficiency is 60lm/W; Rising angle is 180 °.
At present, occur that a kind of LED is the bulb LED of filament on the market, as shown in Figure 2, to be vacuum sealing 2 ~ 4 has a ultrafine diameter in cell-shell 21 the luminous group of LED luminescence group 22, every bar LED be made up of a transparency carrier and the LED chip for luminescence that mounts on this transparency carrier this bulb LED.The bulb LED of this filament has larger rising angle, higher light efficiency and larger light and leads to, and such as, have the bulb LED of 2 ~ 4 LED luminescence groups, its input power is 2.0 ~ 3.5W; Light efficiency is 120lm/W; Light leads to the maximum incandescent lamp close to 40W.But still there is the problem of heat radiation difficulty in the bulb LED due to this filament, the luminous group of the LED causing it that greater number cannot be set, such as 6 ~ 8, otherwise the temperature that there will be in cell-shell rises, thus it is logical to realize under the condition of specular removal, increase light.
For this reason, the present invention is the continuation application of two pieces in first Chinese patent application 200810093558.3 and 201410210340.7 of the applicant, and the claim of the application limits, and the technical scheme disclosed in description is the new invention extended further on Chinese patent application 200810093558.3 and 201410210340.7 basis.
Specifically, application number be 200810093558.3 above-mentioned in first Chinese patent application, the lighting device which providing a kind of tubular elementary LED and be made up of tubular elementary LED, its core is: the heat that produces a during light-emitting substrate chip operation part by metal lead wire to support and reflector heat by conduction, a part is come out by the heat conductivility that PCA plate is good, heat exchange generation convection current is carried out with the high density nitrogen in primitive glass-tube or inert gas, pass through chaff, support, the heat exchange of glass wall, eventually pass through in the air that glass wall diffuses to outside pipe, moreover the transparency of primitive glass-tube too increases photothermal permeability.Therefore, tubular elementary LED according to the present invention sets about from heat conduction, heat exchange, heat radiation and photon effusion, not only makes the internal quantum efficiency of chip promote, and makes external quantum efficiency have the raising of 200%.But there is such defect in this application, that is:
In order to the external diameter of tubular elementary LED can be reduced, to expand its range of application, such as, the tubular elementary LED with superfine outside diameter is used as the filament in similar incandescent lamp, this just needs the external diameter of the luminous group (comprising transparency carrier and LED chip) of LED reduced in tubular elementary LED, but, the luminous group of LED with superfine outside diameter can as same cavernous body, there is fragile frangibility, be afraid of that the moisture absorption cannot be lighted for a long time in an atmosphere, be electrically connected the problem of difficulty etc., thus cause the tubular elementary LED with superfine outside diameter very easily to damage in use, service life is short.
For this reason, application number be 201410210340.7 above-mentioned in first Chinese patent application, which provide a kind of tubular elementary LED, this tubular elementary LED contacts with at least one radiating surface of the transparency carrier in glass-tube inner chamber by making the tube wall of its glass-tube, and the shape of the two is coincide, this transparency carrier not only can be made directly to be supported by glass-tube, namely, solve the problem of the fragile frangibility of LED luminescence group with superfine outside diameter, and by making the tube wall of attachment LED chip distance glass-tube on the transparent substrate very near, efficiently solve heat dissipation problem, thus both can improve light efficiency, light can be increased again lead to.
Be beneficial to the advantage of above-mentioned tubular elementary LED, this application provides and be a kind ofly applied to the lampshade assembly of this tubular elementary LED and apply the lighting device of this lampshade assembly, it effectively can solve heat radiation difficulty that bulb LED in prior art exists, thus causes that light efficiency is low, light leads to little defect.
Summary of the invention
The present invention is intended at least to solve one of technical problem existed in prior art, and propose the lampshade assembly of a kind of tubular elementary LED and apply its lighting device, it efficiently solves heat dissipation problem, thus not only can improve light efficiency, but also can increase light and lead to.
There is provided the lampshade assembly of a kind of tubular elementary LED for realizing object of the present invention, comprise the second case of lamp holder, the first case and light-permeable, wherein, described lamp holder is connected with described first case; Described first case docks with described second case and forms confined space; Be provided with in described confined space and adopt the material of light-permeable to make and be the radiating piece of tubular structure, the periphery wall of described radiating piece is for mounting described tubular elementary LED, one end of described radiating piece is connected on described first case, and the other end of described radiating piece is unsettled in described confined space; Further, two parts laying respectively at the inner side and outer side of described radiating piece of described first case have difference in height, and are respectively arranged with the first through hole and the second through hole in described two parts.
Preferably, the quantity of described first through hole is multiple, and is uniformly distributed at least one circle along the circumference of described first case; The quantity of described second through hole is multiple, and is uniformly distributed at least one circle along the circumference of described first case.
Preferably, described tubular elementary LED adopts list structure, and its quantity is N number of, N be greater than 0 integer; N number of described tubular elementary LED is arranged along the wall interval, periphery of described radiating piece, and the axis of the length direction of each tubular elementary LED and described radiating piece is parallel to each other.
Preferably, N is even number, and two often adjacent tubular elementary LED partner; In often couple of tubular elementary LED, the electrode of two tubular elementary LED is oppositely arranged, and the positive electrode away from described first case of the two and negative electrode are connected by seal wire; Further, the periphery wall of described radiating piece is surrounded with the positive outside wire be parallel to each other and negative outside wire respectively; The positive electrode of close described first case of one of them tubular elementary LED is electrically connected with described positive outside wire, and wherein the negative electrode of close described first case of another tubular elementary LED is electrically connected with described negative outside wire.
Preferably, described seal wire is bent to form hook-shaped, and by hooking the unsettled other end in described confined space of described radiating piece, and two the tubular elementary LED connected by described seal wire are maintained static relative to described radiating piece.
Preferably, the periphery wall of described radiating piece is surrounded with annular flange flange, N number of described tubular elementary LED is fixed on the periphery wall of described radiating piece by described annular flange flange; And on the lower surface of described annular flange flange, be provided with multiple through holes of evenly arranging along its circumference.
Preferably, the tubular structure that described radiating piece adopts comprises circular cone ring body, cylinder ring body, in many ways band of column body or conical ring body in many ways.
Preferably, the material of described light-permeable comprises soda-lime glass, simple glass, high boron material glass or quartz glass.
Preferably, N number of described tubular elementary LED around the circle external diameter formed than described second case and the first case for the little 0.5 ~ 1.5mm of the internal diameter of the opening docked.
As another technical scheme, the present invention also provides a kind of lighting device, and it comprises lampshade assembly and is arranged at least one the tubular elementary LED for luminescence in described lampshade assembly, and described lampshade assembly have employed above-mentioned lampshade assembly provided by the invention.
The present invention has following beneficial effect:
The lampshade assembly of tubular elementary LED provided by the invention, it adopts the material of light-permeable to make and is the radiating piece of tubular structure being docked by first, second case in the confined space formed to be provided with, and the periphery wall of this radiating piece is for mounting tubular elementary LED.And, be connected on the inner surface of the first case by making one end of radiating piece, the other end of radiating piece is unsettled in confined space, and by making two parts laying respectively at the inner side and outer side of radiating piece of the first case have difference in height, and the first through hole and the second through hole is respectively arranged with in these two parts, the gas channel with the entrance and exit be communicated with ambient atmosphere can be formed in confined space, namely, the through hole being positioned at eminence can be used as the hot-air that confined space is discharged in outlet, the through hole being positioned at lower can be used as entrance makes extraneous cold air flow into confined space.Thus, when tubular elementary LED works, the heat produced by it makes that the air of confined space inside is rapidly heated expansion, quality lightens and upwards drifts about, and along with the temperature of air more and more higher, its drift velocity is also more and more faster, the directed flow of final formation gas, and discharged by the through hole being positioned at eminence; Simultaneously, extraneous cold air can flow into confined space by the through hole being positioned at lower, to supplement the air in confined space, thus realize initiatively orderly heat loss through convection, so that the heat in confined space is discharged, and then effectively can solve heat dissipation problem, thus not only can improve light efficiency, but also light can be increased lead to.In addition, because radiating piece can absorb and conduct the heat produced by tubular elementary LED, this while the temperature effectively reducing tubular elementary LED, with the air heat-exchange in confined space, thus can be conducive to the efficiency of heat loss through convection.
Lighting device provided by the invention, it is by adopting the lampshade assembly of above-mentioned tubular elementary LED provided by the invention, initiatively orderly heat loss through convection can be realized, so that the heat in confined space is discharged, thus effectively can solve heat dissipation problem, and then not only can improve light efficiency, but also light can be increased lead to.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of a kind of bulb LED of main flow;
Fig. 2 is the schematic diagram of the bulb LED of filament;
The lampshade assembly of the tubular elementary LED that Fig. 3 A provides for the embodiment of the present invention lamp holder upward time structural representation;
The lampshade assembly of the tubular elementary LED that Fig. 3 B provides for the embodiment of the present invention lamp holder down time structural representation;
Fig. 4 is the schematic diagram that the first case projects on its bottom surface;
Fig. 5 is the structural representation that radiating piece is pasted with tubular elementary LED; And
The structural representation of lampshade assembly when being provided with tubular elementary LED of the tubular elementary LED that Fig. 6 provides for the embodiment of the present invention;
Fig. 7 A is a kind of structural representation of radiating piece;
Fig. 7 B is the structural representation of another kind of radiating piece; And
Fig. 7 C is the structural representation of another radiating piece.
Detailed description of the invention
For making those skilled in the art understand technical scheme of the present invention better, further describe for implementing preferred embodiment of the present invention below in conjunction with accompanying drawing.But embodiment shown below is for specializing, not for limiting invention thinking of the present invention the technical thought of the lampshade assembly of tubular elementary LED provided by the invention and the lighting device of applying it.
See also Fig. 3 A and Fig. 3 B, the lampshade assembly of the tubular elementary LED that the embodiment of the present invention provides, it comprises the second case 32 of lamp holder 30, first case 31 and light-permeable.Wherein, lamp holder 30 is connected with the first case 31, for loading the driver starting tubular elementary LED; First case 31 and the second case 32 all have an opening for docking, thus the two docking formation one confined space, in order to hold tubular elementary LED, and after the first case 31 and the second case 32 dock, the two overall profile formed is similar to incandescent lamp bulb, and when using lampshade assembly, can make lamp holder 30 upward, as shown in Figure 3A, now the first case 31 is positioned at the top of the second case 32; Or also can make lamp holder 30 down, as shown in Figure 3 B, now the first case 31 is positioned at the below of the second case 32.
And be provided with the radiating piece 33 adopting the material of light-permeable to make in above-mentioned confined space, the material of light-permeable can be soda-lime glass, simple glass, high boron material glass or quartz glass etc.Radiating piece 33 is tubular structure, and in the present embodiment, radiating piece 33 is a straight tube (that is, cylinder ring body), and its periphery wall is for mounting tubular elementary LED.Further, one end of radiating piece 33 is connected on the first case 31, and the other end of radiating piece 33 is unsettled (that is, not to contact with the second case 32) in confined space.Preferably, radiating piece can use as transparent silica gel, low-melting glass solder etc. are bonded on the first case.
In addition, because the first case 31 adopts the dome structure of similar " bowl ", if thus (namely lampshade assembly is placed with the direction shown in Fig. 3 A, lamp holder 30 is upward) time, first case 31 external diameter in the radial direction thereof increases from top to bottom gradually, that is, be similar to " bowl " of a back-off, this core making the first case 31 be positioned at the inner side of radiating piece 33 is higher than the marginal portion in outside being positioned at radiating piece 33; Otherwise, if (namely lampshade assembly is placed with the direction shown in Fig. 3 B, lamp holder 30 is down) time, first case 31 external diameter in the radial direction thereof reduces from top to bottom gradually, and this marginal portion making the first case 31 be positioned at the outside of radiating piece 33 is higher than the core of inner side being positioned at radiating piece 33.Generally speaking, two parts laying respectively at the inner side and outer side of radiating piece 33 of the first case 31 have difference in height.
Further, Fig. 4 is the schematic diagram that the first case projects on its bottom surface.As shown in Figure 4, in above-mentioned two parts, namely, first case 31 is positioned at the inner side and outer side of radiating piece 33, be respectively arranged with multiple first through hole 311 and multiple second through hole 312, and multiple first through hole 311 is uniformly distributed a circle along the circumference of the first case 31; Multiple second through hole 312 is uniformly distributed a circle along the circumference of the first case 31.Easy understand, because above-mentioned two parts have difference in height, thus the first through hole 311 and the second through hole 312 have difference in height, if when that is: lampshade assembly is placed with the direction shown in Fig. 3 A, the first through hole 311 is higher than the second through hole 312; Otherwise, if when lampshade assembly is placed with the direction shown in Fig. 3 B, the second through hole 312 is higher than the first through hole 311.
Thus, by radiating piece 33, first through hole 311 and the second through hole 312, the gas channel with the entrance and exit be communicated with ambient atmosphere can be formed in confined space, that is, the through hole being positioned at eminence can be used as and exports the hot-air of discharging confined space, the through hole being positioned at lower can be used as entrance makes extraneous cold air flow into confined space.
The arrow of cold air and the hot-air flow path difference black and white as shown in figures 3 a and 3b when tubular elementary LED works, particularly, if when lampshade assembly is placed with the direction shown in Fig. 3 A, the heat produced by tubular elementary LED makes that the air in confined space (white arrow) is rapidly heated expansion, quality lightens and upwards drifts about, and along with the temperature of air more and more higher, its drift velocity is also more and more faster, the directed flow of final formation gas, and discharged by the first through hole 311 being positioned at eminence; Meanwhile, extraneous cold air (black arrow) can flow into confined space by the second through hole 312 being positioned at lower, to supplement the air in confined space, and flows downward.In contrast, if when lampshade assembly is placed with the direction shown in Fig. 3 B, extraneous cold air (black arrow) can flow into confined space by the first through hole 311 being positioned at lower, and upwards flows; Being filled with of this cold air can impel the hot-air in confined space (white arrow) to flow downward, and is discharged by the second through hole 312 being positioned at eminence.Therefore, by the gas channel formed by radiating piece 33, first through hole 311 and the second through hole 312, initiatively orderly heat loss through convection can be realized, to be discharged by the heat in confined space, thus effectively can solve heat dissipation problem, and then not only can improve light efficiency, but also light can be increased lead to.In addition, because radiating piece 33 can absorb and conduct the heat produced by tubular elementary LED, this while the temperature effectively reducing tubular elementary LED, with the air heat-exchange in confined space, thus can be conducive to the efficiency of heat loss through convection.
Below in conjunction with Fig. 5 and Fig. 6, the concrete mode that tubular elementary LED is mounted on the periphery wall of radiating piece is described in detail.Particularly, in the present embodiment, tubular elementary LED34 adopts list structure, that is, the overall profile of tubular elementary LED34 is in " in-line ".And the quantity of strip tubular elementary LED34 is N number of, N be greater than 0 integer; N number of tubular elementary LED34 is arranged along the wall interval, periphery of radiating piece 33, and the axis of the length direction of each tubular elementary LED and radiating piece 33 is parallel to each other.Because the structure of the structure of this tubular elementary LED34 and the application number of the applicant tubular elementary LED provided in first Chinese patent application that is 201410210340.7 is identical, be not described in detail at this.
In the present embodiment, the periphery wall of radiating piece 33 is surrounded with annular flange flange 36, N number of tubular elementary LED is fixed on the periphery wall of radiating piece 33 by annular flange flange 36; And on the lower surface of annular flange flange 36, be provided with multiple through holes 361 of evenly arranging along its circumference, pass through with for air, thus the impact of annular flange flange 36 on air-flow can be reduced.
Preferably, N is even number, and two often adjacent tubular elementary LED34 partner.Such as, in Figure 5, N=10, and form 5 altogether to (N/2 to).And, in often couple of tubular elementary LED34, the electrode of two tubular elementary LED34 is oppositely arranged, namely, if the positive electrode of one of them tubular elementary LED34 towards lamp holder direction (namely, this positive electrode is near the first case 31), negative electrode deviates from lamp holder direction (that is, this negative electrode is away from the first case 31), then wherein the positive electrode of another tubular elementary LED34 deviates from lamp holder direction, negative electrode towards lamp holder direction.Positive electrode away from the first case 31 and the negative electrode of these two tubular elementary LED34 are connected by seal wire 35; Further, the periphery wall of radiating piece 33 is surrounded with the positive outside wire 371 be parallel to each other and negative outside wire 372 respectively; The positive electrode near the first case 31 of one of them tubular elementary LED34 is electrically connected with positive outside wire 371, and wherein the negative electrode near the first case 31 of another tubular elementary LED34 is electrically connected with negative outside wire 372.Thus, N number of tubular elementary LED34 defines such electrical connection, that is: each couple of tubular elementary LED34 is parallel with one another, and two tubular elementary LED34 of every centering connect mutually, and is connected with the actuator electrical in lamp holder 30 with negative outside wire 372 eventually through positive outside wire 371.
Preferably, as shown in Figure 5, seal wire 35 is bent to form hook-shaped, and by hooking the unsettled other end (lower end shown in Fig. 5) in confined space of radiating piece 33, and two the tubular elementary LED34 connected by seal wire 35 are maintained static relative to radiating piece 33, thus the steadiness of structure can be improved.
In actual applications, if the quantity of tubular elementary LED is constant, then the external diameter of radiating piece is larger, and the spacing between adjacent two tubular elementary LED is also larger.This spacing is more conducive to heat radiation more greatly, therefore, in actual applications, under the prerequisite ensureing the opening that radiating piece can be docked with the first case 31 by the second case 32, the external diameter of radiating piece should be increased as much as possible, in fact, as long as ensure to be mounted on N number of tubular elementary LED on radiating piece to be slightly less than around the circle external diameter formed the opening that the second case 32 docks with the first case 31.Preferably, the little 0.5 ~ 1.5mm of internal diameter of opening that docks with the first case 31 than the second case 32 around the circle external diameter formed of N number of tubular elementary LED34.
It should be noted that, in the present embodiment, the tubular structure that radiating piece 33 adopts is cylinder ring body, but the present invention is not limited thereto, in actual applications, radiating piece 33 can also adopt circular cone ring body, in many ways band of column body or conical ring body etc. in many ways, and such as, in Fig. 7 A, radiating piece 33 is circular cone ring body; In Fig. 7 B, radiating piece 33 is five side's conical ring bodies; In Fig. 7 C, radiating piece 33 is all directions band of column body.
Also it should be noted that, in the present embodiment, the overall profile that first case 31 and the docking of the second case 32 are formed is similar to incandescent lamp bulb, but the present invention is not limited thereto, in actual applications, first case and the second case can dock the profile forming arbitrary shape as required, and form a confined space in the inside of the two.
In addition, the structure of the first case is also not limited to the dome structure of similar " bowl " adopted in the present embodiment, in actual applications, the structure of the first case can also adopt the arbitrary structures of such as cone, in many ways cone etc., as long as the structure of the first case should be able to make its two parts laying respectively at the inner side and outer side of radiating piece have difference in height.
It should be noted that in addition, in the present embodiment, multiple first through hole 311 is uniformly distributed a circle along the circumference of the first case 31; Multiple second through hole 312 is uniformly distributed a circle along the circumference of the first case 31, but the present invention is not limited thereto, and in actual applications, the first through hole and/or the second through hole can also be uniformly distributed more than two circles along the circumference of the first case as the case may be.
In addition, the structure of the first through hole and the second through hole is also not limited to the circular hole adopted in the present embodiment, in actual applications, first through hole and the second through hole can also adopt other arbitrary structures of such as slotted hole etc., and, if the ventilation sectional area of the first through hole and the second through hole is enough large, then the two respective quantity also can be one.
It should be noted that further, in the present embodiment, tubular elementary LED34 adopts list structure, and by even number tubular elementary LED34 form each to parallel with one another, and two tubular elementary LED34 of every centering connect mutually, but the present invention is not limited thereto, in actual applications, can also design as the case may be N number of (N be greater than 0 integer) the electric connection mode of tubular elementary LED.
In addition, the tubular elementary LED of other structures of such as V-arrangement, U-shaped or W shape can also be applied, and design suitable mounting means the tubular elementary LED of different structure be mounted on radiating piece, the concrete structure of these tubular elementary LED can the application number of REFERENCE TO RELATED people be 201410210340.7 in first Chinese patent application.
As another technical scheme, the embodiment of the present invention also provides a kind of lighting device, it comprises lampshade assembly and is arranged at least one the tubular elementary LED for luminescence in this lampshade assembly, and wherein, this lampshade assembly have employed the above-mentioned lampshade assembly that the embodiment of the present invention provides; Tubular elementary LED have employed the tubular elementary LED provided in first Chinese patent application that the application number of the applicant is 201410210340.7.
Above-mentioned lampshade assembly is by discharging the heat in confined space in the mode of heat loss through convection, tubular elementary LED can be made to be issued to thermal balance at lower temperature conditions, simultaneously in conjunction with the excellent heat dispersion performance that above-mentioned tubular elementary LED itself has, even if thus the lighting device making the embodiment of the present invention provide does not adopt heat sink, also heat dissipation problem can be solved completely, thus both can improve light efficiency, light can be increased again and lead to.
Show by experiment, the lighting device that the embodiment of the present invention being equivalent to the normal volume of incandescent lamp A60 provides, its light efficiency can reach 120lm/W, and lead to can reach more than 1000lm with the time, thus both improve light efficiency, the light increased again leads to.In addition, in existing LED light device, the light efficiency of high color temperature product (as 7000K) can reach more than 100lm/W, and low colour temperature product (2700 ~ 3000K, also known as incandescent lamp color temperature) light efficiency only at 80lm/W, by comparison, in the lighting device that the embodiment of the present invention provides, the small-power of below 8W, the light efficiency of low colour temperature product (2700 ~ 3000K) can up to 125lm/W; The light efficiency of high-power, the low colour temperature product of more than 10W can reach more than 120lm/W, thus substantially increases the light efficiency of low colour temperature product.
On the other hand, for existing LED light device, the precious metal of it is heat sink adopted material require consumes copper, nickel, aluminium etc., even also needs the rare precious metals consuming gold, silver etc., thus not only manufacturing cost is higher, and be unfavorable for the present situation that global energy is in short supply.And the lighting device that the embodiment of the present invention provides is heat sink by saving, the problems referred to above existing for existing LED light device can be solved.In addition, save and heat sinkly can also increase rising angle, the rising angle of the lighting device that the embodiment of the present invention provides can close to 360 °.
Will also be appreciated that above embodiment to be only used to principle of the present invention is described and the illustrative embodiments adopted, but the present invention is not limited thereto.For those skilled in the art, without departing from the spirit and substance in the present invention, can make various modification and improvement, these modification and improvement are also considered as protection scope of the present invention.
Claims (10)
1. a lampshade assembly of tubular elementary LED, comprises the second case of lamp holder, the first case and light-permeable, and wherein, described lamp holder is connected with described first case; Described first case docks with described second case and forms confined space; It is characterized in that, be provided with in described confined space and adopt the material of light-permeable to make and be the radiating piece of tubular structure, the periphery wall of described radiating piece is for mounting described tubular elementary LED, one end of described radiating piece is connected on described first case, and the other end of described radiating piece is unsettled in described confined space; Further,
Two parts laying respectively at the inner side and outer side of described radiating piece of described first case have difference in height, and are respectively arranged with the first through hole and the second through hole in described two parts.
2. the lampshade assembly of tubular elementary LED as claimed in claim 1, it is characterized in that, the quantity of described first through hole is multiple, and is uniformly distributed at least one circle along the circumference of described first case; The quantity of described second through hole is multiple, and is uniformly distributed at least one circle along the circumference of described first case.
3. the lampshade assembly of tubular elementary LED as claimed in claim 1, is characterized in that, described tubular elementary LED adopts list structure, and its quantity is N number of, N be greater than 0 integer; N number of described tubular elementary LED is arranged along the wall interval, periphery of described radiating piece, and the axis of the length direction of each tubular elementary LED and described radiating piece is parallel to each other.
4. the lampshade assembly of tubular elementary LED as claimed in claim 3, it is characterized in that, N is even number, and two often adjacent tubular elementary LED partner;
In often couple of tubular elementary LED, the electrode of two tubular elementary LED is oppositely arranged, and the positive electrode away from described first case of the two and negative electrode are connected by seal wire; Further, the periphery wall of described radiating piece is surrounded with the positive outside wire be parallel to each other and negative outside wire respectively; The positive electrode of close described first case of one of them tubular elementary LED is electrically connected with described positive outside wire, and wherein the negative electrode of close described first case of another tubular elementary LED is electrically connected with described negative outside wire.
5. the lampshade assembly of tubular elementary LED as claimed in claim 4, it is characterized in that, described seal wire is bent to form hook-shaped, and by hooking the unsettled other end in described confined space of described radiating piece, and two the tubular elementary LED connected by described seal wire are maintained static relative to described radiating piece.
6. the lampshade assembly of tubular elementary LED as claimed in claim 3, it is characterized in that, the periphery wall of described radiating piece is surrounded with annular flange flange, N number of described tubular elementary LED is fixed on the periphery wall of described radiating piece by described annular flange flange; And
The lower surface of described annular flange flange is provided with multiple through holes of evenly arranging along its circumference.
7. the lampshade assembly of tubular elementary LED as claimed in claim 1, is characterized in that, the tubular structure that described radiating piece adopts comprises circular cone ring body, cylinder ring body, in many ways band of column body or conical ring body in many ways.
8. the lampshade assembly of tubular elementary LED as claimed in claim 1, it is characterized in that, the material of described light-permeable comprises soda-lime glass, simple glass, high boron material glass or quartz glass.
9. the lampshade assembly of tubular elementary LED as claimed in claim 3, is characterized in that, N number of described tubular elementary LED around the circle external diameter formed than described second case and the first case for the little 0.5 ~ 1.5mm of the internal diameter of the opening docked.
10. a lighting device, it comprises lampshade assembly and is arranged at least one the tubular elementary LED for luminescence in described lampshade assembly, it is characterized in that, described lampshade assembly adopts the lampshade assembly described in claim 1-9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410257746.0A CN105202478A (en) | 2014-06-11 | 2014-06-11 | Lamp cover assembly for tube element LEDs and lighting device with same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410257746.0A CN105202478A (en) | 2014-06-11 | 2014-06-11 | Lamp cover assembly for tube element LEDs and lighting device with same |
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| CN105202478A true CN105202478A (en) | 2015-12-30 |
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| CN201410257746.0A Pending CN105202478A (en) | 2014-06-11 | 2014-06-11 | Lamp cover assembly for tube element LEDs and lighting device with same |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105485622A (en) * | 2016-01-29 | 2016-04-13 | 湖州巨力铝型材有限公司 | LED lamp case |
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| CN105805623A (en) * | 2016-03-22 | 2016-07-27 | 江苏索特盐化有限公司 | Novel hollow-out crystal salt lamp |
| WO2018041826A1 (en) * | 2016-09-01 | 2018-03-08 | Philips Lighting Holding B.V. | A light emitting device |
| CN109716013A (en) * | 2016-09-01 | 2019-05-03 | 昕诺飞控股有限公司 | Luminescent device |
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