CN202101100U - Illuminating lamp and light source module thereof - Google Patents
Illuminating lamp and light source module thereof Download PDFInfo
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- CN202101100U CN202101100U CN2011201525901U CN201120152590U CN202101100U CN 202101100 U CN202101100 U CN 202101100U CN 2011201525901 U CN2011201525901 U CN 2011201525901U CN 201120152590 U CN201120152590 U CN 201120152590U CN 202101100 U CN202101100 U CN 202101100U
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- light source
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Abstract
The utility model discloses an illuminating lamp and a light source module thereof. The illuminating lamp comprises a heat radiation device, a light source module and a lampshade. The heat radiation device is provided with a central cylinder and a plurality of heat radiation fins which extend outwards from an outer rim of the central cylinder, wherein the central cylinder is provided with a plurality of heat radiation channels which longitudinally pass through the inner part. The light source module is provided at one end of the central cylinder and is next to the heat radiation channels. The lampshade is used for reflecting the light from the light source module. The heat generated by the light source module causes the air in the heat radiation channels to form a rising air flow. The rising air flow rises along the inner part of the heat radiation channel and is guided by a guiding part for flowing outwards. The cold air is driven for being sucked into from the bottom end of the heat radiation channels for promoting air flow circulation.
Description
Technical field
The utility model relates to a kind of lighting and light source module thereof, refers to a kind of high-power illumination light fixture of equipped with radiator and the light source module of light fixture especially, can be hung on eminence, supplies large-scale indoor or outdoors illumination needs.
Background technology
The powerful lighting that is used for large-scale indoor or outdoors illumination, the courtyard lamp of for example common mercury bulb, it hangs the eminence that is arranged at integrated mill, supermarket or outdoor occasion.Because the development of the high-power technology of light emitting diode, this type of lighting also disposes light emitting diode as light source.The input power of large-power light-emitting diodes only has 20% can convert light to approximately at present, and all the other 80% is transformed into heat.If these heat fail in time to be discharged outside to, with making that the crystal grain boundary temperature of LED is too high, and then reduce luminous efficiency and life-span.
The utility model problem to be solved promptly is how a kind of lighting with great heat radiation effect is provided, the lighting of particularly large-scale, high wattage, and light source module.
The utility model content
A purpose of the utility model is to provide a kind of lighting, and it has the heat abstractor that utilizes stack effect to circulate with the promotion air draught, to strengthen the radiating effect of lighting, the life-span of guaranteeing light source cell.
Another purpose of the utility model is to provide a kind of light source module, and it cooperates heat abstractor, and air-flow can flow through the periphery of light source module swimmingly, and is circulated to heat abstractor.
For reaching above purpose, the utility model provides a kind of lighting, and it includes a heat abstractor and a light source module.Heat abstractor has a central cylinder and by the outward extending a plurality of radiating fins of the outer rim of this central authorities' cylinder, wherein should have a plurality of its inner heat dissipation channels that vertically run through by central authorities' cylinder; Light source module is located at an end of this central authorities' cylinder and near these heat dissipation channels; Wherein this light source module include one be fixed in this heat abstractor one end light source cell and cover at the lamp socket of this light source cell, this lamp socket is provided with a plurality of gas flow openings corresponding to these heat dissipation channels; Wherein each heat dissipation channel is in order to (stack-effect) air communication mistake of drainage one stack effect; The heat that is produced with this light source module of dissipation; This air-flow upwards flows out to this light fixture outside through this light source module with this heat abstractor, impel cold air to promote the air-flow circulation by the bottom suction of these heat dissipation channels.
According to the lighting of the utility model design, the outer rim of contiguous this central authorities' cylinder of said a plurality of heat dissipation channels.
According to the lighting of the utility model design, each radiating fin has one and is connected in the heat radiation wall of this wall extension by the outward extending wall extension of the external edge of these central rods and, and the outer surface of each heat radiation wall forms wavy structure.
According to the lighting of the utility model design, this central authorities' cylinder is cylindrical, and a plurality of said heat radiation wall is positioned on the same circumference formation one external channel between the adjacent radiating fin substantially.
Lighting according to the utility model design also comprises the power supply changeover device of being located at this central authorities' cylinder other end, and wherein this power-supply adapter screw lock is fixed in this heat abstractor, and have one be connected to this central authorities' cylinder other end guide portion.
Lighting according to the utility model design; Said a plurality of radiating fin extends and surpasses the other end of this central authorities' cylinder; Form the space of a depression, this guide portion is positioned at the space of this depression, and said a plurality of radiating fins are connected to the peripheral bottom surface of this guide portion.
According to the lighting of the utility model design, this guide portion has the guiding walls cylindraceous of a curved convergent, and the root edge of this guiding walls is connected to the other end of this central authorities' cylinder.
Lighting according to the utility model design; This lamp socket has one and is connected to the cylindrical portion that the plate-like underframe of this heat abstractor, a plurality of connecting portions and that extended internally by this plate-like underframe inner edge are connected in said a plurality of connecting portions, and wherein said a plurality of gas flow openings are formed between this plate-like underframe and this cylindrical portion.
Lighting according to the utility model design; The central bottom of this cylindrical portion forms a light source opening; This light source cell is positioned at this light source opening, the bottom surface of this cylindrical portion have one be positioned at the periphery of this light source opening frame portion, this frame portion is connected to an end of this central authorities' cylinder; Wherein the peripheral end face with this central authorities' cylinder in this cylindrical portion bottom surface produces a drop, and gas flow opening is communicated with said a plurality of heat dissipation channel.
Lighting according to the utility model design; Also comprise a concentration module; This concentration module has one and is contained in a seal and the ring cover that transparent cover plate, that reflection lampshade, in this cylindrical portion covers on this reflection lampshade is located at this transparent cover plate edge, and this ring cover covers on this seal and is locked in the apical margin of this cylindrical portion.
According to the lighting of the utility model design, comprise that also one is arranged at the peripheral lampshade of this lamp socket, to reflect light from this light source module.
According to above-described one side, the present invention provides a kind of light source module in addition, and corresponding to a heat abstractor, this heat abstractor has a plurality of its inner heat dissipation channels that vertically run through, and this light source module comprises that one is fixed in the light source cell of this heat abstractor one end; Reach one and cover at the peripheral lamp socket of this light source cell, this lamp socket is provided with a plurality of gas flow openings corresponding to these heat dissipation channels; Air flow stream is crossed the periphery of lamp socket thus, and this gas flow opening of process also is circulated to these heat dissipation channels.
Light source module according to the utility model design; This lamp socket has one and is connected to the cylindrical portion that the plate-like underframe of this heat abstractor, a plurality of connecting portions and that extended internally by this plate-like underframe inner edge are connected in said a plurality of connecting portions, and wherein said a plurality of gas flow openings are formed between this plate-like underframe and this cylindrical portion.
Light source module according to the utility model design; The central bottom of this cylindrical portion forms a light source opening; This light source cell is positioned at this light source opening, the bottom surface of this cylindrical portion have one be positioned at the periphery of this light source opening frame portion, this frame portion is connected to an end of this heat abstractor; Wherein the peripheral end face with this heat abstractor in this cylindrical portion bottom surface produces a drop, and gas flow opening is communicated with said a plurality of heat dissipation channel through this drop.
Light source module according to the utility model design; Also comprise a concentration module; This concentration module has one and is contained in a seal and the ring cover that transparent cover plate, that reflection lampshade, in this cylindrical portion covers on this reflection lampshade is located at this transparent cover plate edge, and this ring cover covers on this seal and is locked in the apical margin of this cylindrical portion.
According to the light source module of the utility model design, comprise that also one is arranged at the peripheral lampshade of this lamp socket, to reflect light from this light source module.
The utility model has advantage at least: this heat dissipation channel forms (stack-effect) air communication mistake of (configured) stack effect in order to drainage; To distribute the heat that this light source module is produced; This air-flow makes progress and flows out to this light fixture outside with this heat abstractor through this light source module, impels cold air to be sucked and then the circulation of promotion air-flow by the bottom of these heat dissipation channels.Hot-air because of density little in light weight in heat dissipation channel to rising, leave at the top of central cylinder at last.After the hot-air dissipation in the heat dissipation channel, the fresh cold air of outside is involved in and the air-flow that causes from the bottom inlet of heat dissipation channel, and the cold air suction is filled up.
More than about the explanation of the explanation of the utility model content and following embodiment in order to for example and explain the principle of the utility model, and provide the scope of patent protection of the utility model further to explain.
Description of drawings
Fig. 1 is the three-dimensional exploded view of the lighting of the utility model.
Fig. 2 is the three-dimensional exploded view of lamp socket and concentration module in the utility model.
Fig. 3 is another three-dimensional exploded view of lamp socket and concentration module in the utility model.
Fig. 4 is the three-dimensional combination figure of the lighting of the utility model.
Fig. 5 is the cutaway view of the lighting of the utility model.
Wherein, description of reference numerals is following:
Heat abstractor 10
Central authorities' cylinder 12
Radiating fin 14
Water-proof silica-gel 222
Plate-like underframe 241
Gas flow opening 2410
Connecting portion 242
Light source opening 2430
Seal 266
Power supply changeover device 30
The specific embodiment
For making purpose, structure, characteristic and function thereof that further understanding arranged, cooperate embodiment to specify as follows to the utility model at present:
See also Fig. 1, Fig. 1 is the three-dimensional exploded view of the light fixture of the utility model.The light fixture of the utility model is fit to be applied to lighting uses such as factory, broad indoor, open air, for example is suspended to ceiling and as courtyard lamp (high bay light).Light fixture includes a heat abstractor (heat removal apparatus) 10, one light source module 20, a power supply changeover device 30 and a lampshade 40.
Describe for convenient, the state when suspending in midair according to light fixture, bottom surface one end of central cylinder 12 is defined as first end face 121, and the other end of end face then is defined as second end face 122.Light source module 20 is located at first end face 121 of central cylinder 12 and near these heat dissipation channels 120.In the present embodiment; Light source module 20 can be the light emitting diode (LED) of high wattage; 50W to 100W for example, its include one be fixed in an end of heat abstractor 10 light source cell 22, the lamp socket 24 and that covers at this light source cell 22 be contained in this lamp socket 24, with the concentration module 26 of the light of gathered light source unit 22.In first end face 121 of central cylinder 12, its bottom surface directly is attached on the central cylinder 12 light source cell 22 through screws, preferably cooperates thermal grease to strengthen heat-conductive characteristic.In the present embodiment, light source cell 22 further be provided with water-proof silica-gel 222 in its around, go into to prevent the water gas cut.
See also Fig. 2 and Fig. 3, it is the three-dimensional exploded view of lamp socket 24 and concentration module 26.Lamp socket 24 has the cylindrical portion 243 that a plate-like underframe 241, a plurality of connecting portions 242 and that extended internally by the inner edge of plate-like underframe 241 are connected in connecting portion 242.Form a plurality of gas flow openings 2410 between this plate-like underframe 241 and this cylindrical portion 243, present embodiment is between these two adjacent connecting portions 242, respectively to form a gas flow opening 2410.Plate-like underframe 241 is connected to first end face 121 of heat abstractor 10.Lamp socket 24 can be one-body molded, also can be to be fixed in connecting portion 242 through cylindrical portion 243 with screw lock or other mode.
The central bottom of cylindrical portion 243 forms a light source opening 2430, and light source cell 22 is positioned at light source opening 2430.The base area of cylindrical portion 243 equals the area of central cylinder 12 substantially.One frame portion 245 is located at the bottom surface of cylindrical portion 243 and is positioned at the periphery of light source opening 2430, and frame portion 245 is connected to first end face 121 of central cylinder 12, makes the bottom of lamp socket 24 be and is contacted with central cylinder 12 partly.The frame portion 245 of present embodiment is square, and size is slightly larger than light source cell 22.Frame portion 245 after the installation covers at the periphery of light source cell 22, and between these heat dissipation channels 120.Through frame portion 245, the peripheral end face (first end face 121) with central cylinder 12 in cylindrical portion 243 bottom surfaces produces some drops, but air feed stream flow to heat dissipation channel 120 through gas flow opening 2410.
Above-mentioned concentration module 26 is contained in the cylindrical portion 243, and concentration module 26 has one and is contained in a seal 266 and the ring cover 268 that transparent cover plate 264, that reflection lampshades 262, in the cylindrical portion 243 cover on reflection lampshade 262 is located at transparent cover plate 264 edges.Seal 266 can be an O type silica gel circle, so that the function of isolating aqueous vapor to be provided; Ring cover 268 can be metal, covers on seal 266 and is locked in the apical margin of cylindrical portion 243.
Please consult Fig. 1 again, power supply changeover device 30 is located at second end face 122 of central cylinder 12, gives light source module 20 in order to conversion electric power and power supply.Power-supply adapter 30 has the guide portion 34 that a housing 32 and is located at housing 32 bottom surfaces.Power-supply adapter 30 screw locks are fixed in heat abstractor 10, for example can be fixed at the wall extension 142 of radiating fin 14.The guide portion 34 of present embodiment includes a guiding walls 342, guiding walls 342 curved convergents cylindric, and its root edge is connected to second end face 122 of central cylinder 12.Guide portion 34 spiral shells invest the bottom surface of power-supply adapter 30.The end face of power supply changeover device 30 can be provided with suspension ring 36 for suspention.Yet power supply changeover device 30 also can separate with heat abstractor 10, extends with electric wire to be connected to light source module 20, and for example power supply changeover device 30 can be fixed on the steelframe of ceiling.
In the present embodiment, the radiating fin of heat abstractor 10 14 extends and surpasses central cylinder 12 other ends that is second end face 122.In other words, radiating fin 14 slightly is longer than central cylinder 12, and forms the space of a depression.Radiating fin 14 is connected to the peripheral bottom surface of guide portion 34.Guide portion 34 that is is positioned at the space of this depression between these radiating fins 14.
Present embodiment also has the lampshade 40 of being located at these lamp socket 24 peripheries, and lampshade 40 has a bottom 42, and screw passes the bottom 42 of lampshade 40 and the connecting portion 242 of lamp socket 24, is fixed in the radiating fin 14 of heat abstractor 10 with the lock spiral shell.In the present embodiment bottom 42 of lampshade 40 ringwise, the inner edge opening of circular bottom part 42 is greater than cylindrical portion 243.In other words, bottom 42 inner edges and cylindrical portion 243 keeps some distances, thus the air-flow heat dissipation channel 120 of gas flow opening 2410 to heat abstractor 10 of can flowing through.Yet the bottom 42 of above-mentioned lampshade 40 is not limited to above-mentioned shape, for example can be local to gas flow opening 2410 extensions, only needs to cooperate screws to get final product.
Please refer to Fig. 4 and Fig. 5, be the three-dimensional combination figure and the cutaway view of the lighting of the utility model.The heat that the light source cell 22 of light source module 20 is produced in the present embodiment mainly is directly conducted to heat abstractor 10; And impel air in these heat dissipation channels 120 to be heated and produce ascending air; Ascending air rises along these heat dissipation channel 120 inside, and is outwards flowed out by these guide portion 34 guidings.Then, cold air is filled vacancies in the proper order by the bottom of these heat dissipation channels 120, that is is sucked into from first end face 121 in the heat dissipation channel 120 of heat abstractor 10 and promotes the air-flow circulation, and then strengthens radiating effect.
The gas flow opening 2410 that the plate-like underframe 241 of lamp socket 24 forms is communicated with the inner space of this lampshade 40 and the external channel 140 between the radiating fin 14.In addition, through the drop between first end face 121 of cylindrical portion 243 and central cylinder 12, gas flow opening 2410 also is communicated in heat dissipation channel 120.That is air-flow can flow through the periphery of lamp socket 24 in the lampshade 40, is circulated to external channel 140 through gas flow opening 2410, also can be circulated to heat dissipation channel 120, and strengthen radiating effect.Thus, the heat that light source cell 22 is produced not only can conduct to heat abstractor 10 through heat conducting mode, also can take away waste heat through the periphery of cylindrical portion 243 through airflow.
The said structure of the utility model, its characteristics are that mainly the situation that above-mentioned heat dissipation channel 120 produces as stack effect (Stack effect) is quickened cross-ventilation.Stack effect was meant the hot pressing that indoor/outdoor temperature-difference forms originally, and air to rising or descending, causes air to add the phenomenon of strong convection along the space that vertical bank is arranged.The heat that light source module 20 produces makes the heat dissipation channel 120 inner hot-airs that produce, and, leaves at the top of central cylinder 12 at last to rising along heat dissipation channel 120 inside.After hot-air in the heat dissipation channel 120 loose to overflow, the fresh cold air of outside was involved in and the air-flow that causes from the bottom inlet of heat dissipation channel 120, and the cold air suction is filled up.
Each heat dissipation channel 120 is in order to the upwards circulation of (stack-effect) air-flow of drainage one stack effect, to distribute the heat that this light source module 20 is produced.This air-flow upwards flows out to this lighting outside through lampshade 40, light source module 20, heat abstractor 10 and power supply changeover device 30, impels cold air to be sucked and then the circulation of promotion air-flow by the bottom of these heat dissipation channels 120 then.
Supplementary notes, hot pressing function is relevant with the height of central cylinder 12, that is relevant with the difference in height of air intake vent, air outlet.In addition, also relevant with the inside and outside temperature difference of heat abstractor 10.The temperature difference and difference in height are big more, and then hot pressing function is obvious more.That is the central cylinder 12 of the utility model need have certain height.And, heat dissipation channel 120 one side preferably around airtight vertical cavity, its sectional area of another side is also unsuitable too small, needs to allow air vertically circulation swimmingly.
The utility model is only explained with the foregoing description, but is not limited to this.For example central cylinder can form center-aisle, and light source module can be mercury vapor lamp or high-pressure mercury lamp, and lamp socket can be placed in the center-aisle, so also can produce the radiating effect of reinforcement.
The utility model also has additional advantage, is example with the courtyard lamp, and its hanging position is high, safeguards with replacing very to be difficult for, and adopts long-life led light source, more can significantly reduce the maintenance cost of changing light source.In addition, consider to be installed in outdoor possibility, need only the level that light source module is possessed the dustproof and waterproof grade, the utility model also can be applicable to outdoor lighting, the expanding application place.
Above disclosure is merely the preferred embodiment of the utility model, can not limit the rights protection scope of the utility model with this, and the equalization of therefore being done by the utility model rights protection scope changes or modifies, and still belongs to the scope that the utility model is contained.
Claims (16)
1. a lighting is characterized in that, this lighting comprises:
One heat abstractor, it has a central cylinder and by the outward extending a plurality of radiating fins of the external edge of these central rods, wherein should have a plurality of its inner heat dissipation channels that vertically run through by central authorities' cylinder; And
One light source module is located at an end of this central authorities' cylinder and near said a plurality of heat dissipation channels; Wherein this light source module include one be fixed in this heat abstractor one end light source cell and cover at the lamp socket of this light source cell, this lamp socket is provided with a plurality of gas flow openings corresponding to said a plurality of heat dissipation channels;
Wherein each heat dissipation channel is in order to the air communication mistake of drainage one stack effect; The heat that is produced with this light source module of dissipation; This air-flow upwards flows out to this light fixture outside through this light source module with this heat abstractor, make cold air promote the air-flow circulation by the bottom suction of said a plurality of heat dissipation channels.
2. lighting as claimed in claim 1 is characterized in that, the outer rim of contiguous this central authorities' cylinder of said a plurality of heat dissipation channels.
3. lighting as claimed in claim 1 is characterized in that, each radiating fin has one and is connected in the heat radiation wall of this wall extension by the outward extending wall extension of the external edge of these central rods and, and the outer surface of each heat radiation wall forms wavy structure.
4. lighting as claimed in claim 3 is characterized in that, this central authorities' cylinder is cylindrical, and a plurality of said heat radiation wall is positioned on the same circumference formation one external channel between the adjacent radiating fin substantially.
5. lighting as claimed in claim 1; It is characterized in that; This lighting also comprises the power supply changeover device of being located at this central authorities' cylinder other end, and wherein this power-supply adapter screw lock is fixed in this heat abstractor, and have one be connected to this central authorities' cylinder other end guide portion.
6. lighting as claimed in claim 5; It is characterized in that said a plurality of radiating fins extend and surpass the other end of this central authorities' cylinder, form the space of a depression; This guide portion is positioned at the space of this depression, and said a plurality of radiating fins are connected to the peripheral bottom surface of this guide portion.
7. lighting as claimed in claim 6 is characterized in that, this guide portion has the guiding walls cylindraceous of a curved convergent, and the root edge of this guiding walls is connected to the other end of this central authorities' cylinder.
8. lighting as claimed in claim 1; It is characterized in that; This lamp socket has one and is connected to the cylindrical portion that the plate-like underframe of this heat abstractor, a plurality of connecting portions and that extended internally by this plate-like underframe inner edge are connected in said a plurality of connecting portions, and wherein said a plurality of gas flow openings are formed between this plate-like underframe and this cylindrical portion.
9. lighting as claimed in claim 8; It is characterized in that the central bottom of this cylindrical portion forms a light source opening, this light source cell is positioned at this light source opening; The bottom surface of this cylindrical portion have one be positioned at the periphery of this light source opening frame portion; This frame portion is connected to an end of this central authorities' cylinder, and wherein the peripheral end face with this central authorities' cylinder in this cylindrical portion bottom surface produces a drop, and said gas flow opening is communicated with said a plurality of heat dissipation channel.
10. lighting as claimed in claim 8; It is characterized in that; This lighting also comprises a concentration module; This concentration module has one and is contained in a seal and the ring cover that transparent cover plate, that reflection lampshade, in this cylindrical portion covers on this reflection lampshade is located at this transparent cover plate edge, and this ring cover covers on this seal and is locked in the apical margin of this cylindrical portion.
11. lighting as claimed in claim 1 is characterized in that, this lighting comprises that also one is arranged at the peripheral lampshade of this lamp socket, to reflect the light from this light source module.
12. a light source module, corresponding to a heat abstractor, this heat abstractor has a plurality of its inner heat dissipation channels that vertically run through, and it is characterized in that this light source module comprises:
One light source cell is fixed in an end of this heat abstractor; And
One lamp socket covers at the periphery of this light source cell, and this lamp socket bottom is provided with a plurality of gas flow openings corresponding to said a plurality of heat dissipation channels;
Make air flow stream cross the periphery of lamp socket, this gas flow opening of process also is circulated to said a plurality of heat dissipation channel.
13. light source module as claimed in claim 12; It is characterized in that; This lamp socket has one and is connected to the cylindrical portion that the plate-like underframe of this heat abstractor, a plurality of connecting portions and that extended internally by this plate-like underframe inner edge are connected in said a plurality of connecting portions, and wherein said a plurality of gas flow openings are formed between this plate-like underframe and this cylindrical portion.
14. light source module as claimed in claim 13; It is characterized in that the central bottom of this cylindrical portion forms a light source opening, this light source cell is positioned at this light source opening; The bottom surface of this cylindrical portion have one be positioned at the periphery of this light source opening frame portion; This frame portion is connected to an end of this heat abstractor, and wherein the peripheral end face with this heat abstractor in this cylindrical portion bottom surface produces a drop, and said gas flow opening is communicated with said a plurality of heat dissipation channel through this drop.
15. light source module as claimed in claim 12; It is characterized in that; This light source module also comprises a concentration module; This concentration module has one and is contained in a seal and the ring cover that transparent cover plate, that reflection lampshade, in this cylindrical portion covers on this reflection lampshade is located at this transparent cover plate edge, and this ring cover covers on this seal and is locked in the apical margin of this cylindrical portion.
16. light source module as claimed in claim 12 is characterized in that, this light source module comprises that also one is arranged at the peripheral lampshade of this lamp socket, to reflect the light from this light source module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201525901U CN202101100U (en) | 2011-05-10 | 2011-05-10 | Illuminating lamp and light source module thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201525901U CN202101100U (en) | 2011-05-10 | 2011-05-10 | Illuminating lamp and light source module thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202101100U true CN202101100U (en) | 2012-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201525901U Expired - Fee Related CN202101100U (en) | 2011-05-10 | 2011-05-10 | Illuminating lamp and light source module thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202101100U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017004974A1 (en) * | 2015-07-03 | 2017-01-12 | 苏文藏 | Efficient heat dissipation lighting ceiling lamp |
-
2011
- 2011-05-10 CN CN2011201525901U patent/CN202101100U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017004974A1 (en) * | 2015-07-03 | 2017-01-12 | 苏文藏 | Efficient heat dissipation lighting ceiling lamp |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120104 Termination date: 20150510 |
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| EXPY | Termination of patent right or utility model |