CN204005521U - A kind of air duct radiation type LED track spotlight lamp body - Google Patents
A kind of air duct radiation type LED track spotlight lamp body Download PDFInfo
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- CN204005521U CN204005521U CN201420355801.5U CN201420355801U CN204005521U CN 204005521 U CN204005521 U CN 204005521U CN 201420355801 U CN201420355801 U CN 201420355801U CN 204005521 U CN204005521 U CN 204005521U
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Abstract
The utility model discloses a kind of air duct radiation type LED track spotlight lamp body, belong to field of illuminating lamps.The utility model comprises gland, light-passing board, reflection shield, heat-dissipation lamp housing and LED lamp assembly, and heat-dissipation lamp housing comprises shell, inner casing and gusset, and shell is by be located at the outside of inner casing along the radially-arranged gusset of inner casing, and forms air channel between shell and inner casing; Reflection shield is installed in inner casing; Light-passing board is installed on the front end of reflection shield, and is fixed by gland; LED lamp assembly is installed on the rear end of reflection shield, and is threaded with inner casing.The utility model utilization is established duct-ventilated double-layer shell structure and is dispelled the heat, and LED light source increases greatly with the area of dissipation that contacts of double Shell, and radiating effect obviously improves, and has met customer demand completely; Meanwhile, without additionally installing radiator additional, volume is little, and can change quickly and easily after LED chip damage, simple to operate, can replace well existing golden halogen track lamp.
Description
Technical field
The utility model relates to a kind of LED track spotlight, more particularly, relates to a kind of air duct radiation type LED track spotlight lamp body.
Background technology
Track spotlight is that a kind of shop and exhibition center etc. of being used in need to be to the light fixture of commodity or show piece emphasis light projector, its structure comprises sliding rail and can regulate along sliding rail the shot-light of fixed position, its advantage is to adjust according to the putting position of article the transmission direction of shot-light, reaches the effect that shows article with effect the most clearly.At present, each emporium generally adopts powerful Metal halogen lamp, particularly the golden halogen track lamp of 50W～70W throws light on, according to incompletely statistics, the annual consumption of present national market 50W～70W gold halogen track lamp is more than 2,000 ten thousand, but Metal halogen lamp is as conventional illumination device, there is following shortcoming: (1) is long start-up time, need auxiliary starting device, as ballast etc., relatively heavy; (2) cannot start after extinguishing at once, need the cool time of 3～5min; (3) power consumption is large, produces high temperature when work, need to install protective cover additional; (4), service life is shorter, uses after the long period, colour temperature skew is larger; (5), mercurous in Metal halogen lamp, easily cause environmental pollution after discarded.
The advantages such as LED light fixture combines that luminous thermal discharge is few, radiation is little, energy-conservation and life-span is long, are particularly suitable for applying to temperature-sensitive or need, in age inhibiting commodity or showpiece, replacing gradually Metal halogen lamp.But, a large amount of heat is assembled in the luminous meeting of great power LED more than 20W, and LED itself is very high to the requirement of temperature, if the heat of the luminous generation of LED can not leave in time, can make lamp body internal temperature more and more higher, not only can accelerate LED aging, shorten its service life, when serious, can cause LED to burn, therefore the quality of radiating effect is directly connected to illumination effect and the life-span of LED track lamp.LED light fixture wants the brightness of the Metal halogen lamp that reaches 50W～70W, and its power must accomplish that 20W just can reach above, and LED light fixture more than 20W will ensure to use 4～5 years, and its radiating effect and interior fittings can be changed very important easily.Due to great power LED cooling weak effect, chip is fragile, and annual replacing will exceed more than 10%, use 4～5 years, and it is very large that radiator will do, and adopts fan to carry out active heat removal, and fan work has noise, laying dust, and the life-span cannot ensure; While carrying out passive heat radiation with radiator, need the radiator of larger heat radiation volume to meet heat radiation, like this, no matter still calculate from appearance and size from cost, all need to pay more expensive cost.In addition, existing LED light source needs to change to factory after damaging, and has greatly increased maintenance workload below, and client is not easy to accept.Therefore, replace golden halogen track lamp with high-power LED track lamp, in practice and be out of favour.
China Patent No. ZL201220709190.0, Granted publication day is on July 10th, 2013, invention and created name is: LED track lamp fast dispels the heat, this application case relates to the one LED track lamp fast that dispels the heat, its lamp housing is integral type heat-dissipation lamp housing, comprise the shell of both ends open and radiator is in the enclosure set, radiator by heat conduction cylinder and be vertically connected to the outside wall surface of heat conduction cylinder and the internal face of shell between some fin form, between fin, be spaced and form some ventilation slots, ventilation slot communicates with the opening of shell one end; LED light source laminating is fixed on the upper surface of heat conduction cylinder, and the heat that LED light source produces is directly derived by heat conduction cylinder and fin; On cover, be evenly provided with some air inlets that communicate with ventilation slot, air inlet communicates with the opening of the shell other end, thereby form multiple air flow channels between air inlet and corresponding ventilation slot, air enters from multiple air inlets, through luminescent lamp inside, then flow out from ventilation slot, form multiple cross-ventilation, realize the cold and hot air exchange of the inside and outside portion of luminescent lamp.This application case, in the situation that not increasing LED track lamp volume, has improved radiating effect, but its air flow channel need to pass through luminescent lamp inside, on reflector, cover and LED light source, easy laying dust, affects illumination effect, needs the frequent laying dust of removing, and laying dust is removed difficulty, has increased maintenance cost; In addition serious laying dust can cause LED light source heat radiation difficulty, has a strong impact on its service life, and after LED light source damage, its replacing is more difficult, has increased maintenance difficulties.
In addition, China Patent No. ZL201320452072.0, Granted publication day is on March 19th, 2014, invention and created name is: a kind of LED shot-light of guide rail with interior vent passages, this application case relates to a kind of LED shot-light of guide rail with interior vent passages, comprise lamp socket, rotating shaft and shot-light body, described shot-light body is mainly by radiator, LED light source assembly, lens and anti-dazzle darkening ring form, described radiator comprises radiator body and housing thereof, between radiator body and its housing, be provided with space to form the vent passages that is beneficial to heat radiation, radiator casing rear open end is provided with a cowling, on this cowling and anti-dazzle darkening ring, offer the air vent being communicated with vent passages.By being provided with space to form the vent passages that is beneficial to heat radiation in shot-light radiating shell, by direct outside cold air guide radiator, drain in time heat, avoid LED track lamp to be burnt because of overheated, greatly improve the service life of shot-light.This application case has solved the heat dissipation problem of LED track lamp to a certain extent, but its weak point is, this application case is only applicable to the LED track lamp lower to optically focused requirement, utilize the lens cuvette on lens to cover LED lamp pearl, prevent LED lamp pearl laying dust, the LED track lamp of having relatively high expectations for optically focused, must use larger reflector, make LED light form light beam, now, it is awkward that the technical scheme of above-mentioned application case just seems, although it has utilized interior vent passages to dispel the heat, but LED lamp pearl is difficult to carry out heat exchange with thermal component, thereby cause the effect of interior vent passages greatly to reduce, and adopt the light source of LED lamp pearl as track lamp, recycling lens carry out leaded light, lose 20% brightness (light transmittance of lens is 80% left and right), its brightness is difficult to reach the brightness of 50W～70W gold halogen track lamp, in addition, once LED lamp pearl damages, need to change the base plate of the whole LED of being equipped with lamp pearl, dismounting inconvenience, has increased maintenance cost and difficulty.
Summary of the invention
1. the technical problem that utility model will solve
It is poor that the purpose of this utility model is to overcome existing LED track spotlight radiating effect, service life is short, and structure is too fat to move, interior fittings is changed complicated loaded down with trivial details deficiency, a kind of air duct radiation type LED track spotlight lamp body is provided, adopt the technical solution of the utility model, utilization is established duct-ventilated double-layer shell structure and is dispelled the heat, and LED light source increases greatly with the area of dissipation that contacts of double Shell, radiating effect obviously improves, in the situation that environment temperature is 25 DEG C, the operating temperature of the LED chip of power 30W can be controlled in 50 DEG C, the light decay of LED chip is very little, not fragile, can use 4～5 years, meet customer demand completely, meanwhile, without additionally installing radiator additional, volume is little, and can change quickly and easily after LED chip damage, simple to operate, can replace well existing golden halogen track lamp.
2. technical scheme
For achieving the above object, the technical scheme that the utility model provides is:
A kind of air duct radiation type LED track spotlight lamp body of the present utility model, comprise gland, light-passing board, reflection shield, heat-dissipation lamp housing and LED lamp assembly, described heat-dissipation lamp housing comprises shell, inner casing and gusset, described shell is by be located at the outside of inner casing along the radially-arranged gusset of inner casing, and forms air channel between shell and inner casing; Described reflection shield is installed in inner casing; Described light-passing board is installed on the front end of reflection shield, and is fixed by gland; Described LED lamp assembly is installed on the rear end of reflection shield, and is threaded with inner casing.
Improve further as the utility model, offer a circle ventilation slot on described inner casing, described ventilation slot is connected inner casing with air channel.
Improve further as the utility model, described LED lamp assembly comprises heat-conducting plate and LED chip, described LED chip is fixed on heat-conducting plate by screw, described heat-conducting plate is provided with external screw thread, the inwall of described inner casing is provided with the internal thread matching with above-mentioned external screw thread, also offers for LED lamp assembly is installed on to the erecting tools hole on inner casing on described heat-conducting plate.
Improve further as the utility model, described LED chip is provided with the wire of external LED power supply, and described wire end is plug in construction.
Improve further as the utility model, described light-passing board is made up of two-layer coating transparency glass plate.
Improve further as the utility model, offer the installing hole for connecting LED power pack connecting rod on described heat-dissipation lamp housing, described installing hole runs through shell and inner casing.
Improve further as the utility model, the cross sectional shape of described shell is circular square or positive nonagon.
Improve further as the utility model, the material of described heat-dissipation lamp housing is aluminium.
Improve further as the utility model, the material of described heat-conducting plate is aluminium.
3. beneficial effect
The technical scheme that adopts the utility model to provide, compared with existing known technology, has following remarkable result:
(1) a kind of air duct radiation type LED track spotlight lamp body of the present utility model, its heat-dissipation lamp housing comprises shell, inner casing and gusset, shell is by be located at the outside of inner casing along the radially-arranged gusset of inner casing, and forms air channel between shell and inner casing; Reflection shield is installed in inner casing; Light-passing board is installed on the front end of reflection shield, and is fixed by gland; LED lamp assembly is installed on the rear end of reflection shield, and is threaded with inner casing; Adopt double-deck heat-dissipation lamp housing, whole lamp housing ectonexine all has thermolysis, has greatly increased area of dissipation; And form air channel between shell and inner casing, promote circulation of air to take away heat, radiating effect obviously improves, in the situation that environment temperature is 25 DEG C, the operating temperature of the LED chip of power 30W can be controlled in 50 DEG C, and now the light decay of LED chip is very little, not fragile, can use 4～5 years, meet client's demand completely;
(2) a kind of air duct radiation type LED track spotlight lamp body of the present utility model, its LED lamp assembly and inner casing are threaded connection, increase the contact area of LED lamp assembly and inner casing, be conducive to LED lamp assembly to extraneous transferring heat, improve heat exchanger effectiveness, without additionally installing radiator additional, volume is little; And adopting is threaded is convenient to the dismounting of LED lamp assembly, facilitates the later maintenance of LED track spotlight;
(3) a kind of air duct radiation type LED track spotlight lamp body of the present utility model, on its inner casing, offer a circle ventilation slot, ventilation slot is connected inner casing with air channel, strengthen further the circulation of air scope of heat-dissipation lamp housing inside, improve radiating efficiency, greatly reduced the operating temperature of LED track spotlight;
(4) a kind of air duct radiation type LED track spotlight lamp body of the present utility model, its LED chip is fixed on heat-conducting plate by screw, and LED chip can be changed after damaging quickly and easily, simple to operate, repairs without specialty, has reduced maintenance cost; On heat-conducting plate, also offer for LED lamp assembly is installed on to the erecting tools hole on inner casing, this erecting tools hole has the effect of dismounting and ventilation and heat concurrently, coordinates ventilation slot can realize the Air Flow of inner casing inside, has strengthened radiating effect;
(5) a kind of air duct radiation type LED track spotlight lamp body of the present utility model, its LED chip is provided with the wire of external LED power supply, wire end is plug in construction, after LED chip damages, heat-conducting plate is removed and changed, safeguard simple and conveniently, be conducive to the on a large scale popularization of high-powered LED lamp on commercial lighting market;
(6) a kind of air duct radiation type LED track spotlight lamp body of the present utility model, the cross sectional shape of its shell is circular square or positive nonagon, various informative, has met the market demand, can replace well existing golden halogen track lamp;
(7) a kind of air duct radiation type LED track spotlight lamp body of the present utility model, the material of its heat-dissipation lamp housing is aluminium, and the material of heat-conducting plate is aluminium, and thermal conductivity is good, light weight and be easy to machine-shaping.
Brief description of the drawings
Fig. 1 is the fractionation structural representation (heat-dissipation lamp housing is analysed and observe) of a kind of air duct radiation type LED track spotlight lamp body of the present utility model;
Fig. 2 is the sectional structure schematic diagram of a kind of air duct radiation type LED track spotlight lamp body of the present utility model;
Fig. 3 is the plan structure schematic diagram of the heat-dissipation lamp housing in the utility model;
Fig. 4 is the sectional structure schematic diagram of the heat-dissipation lamp housing in the utility model;
Fig. 5 is the structural representation of the LED lamp assembly in the utility model.
Label declaration in schematic diagram:
1, gland; 2, light-passing board; 3, reflection shield; 4, heat-dissipation lamp housing; 5, LED lamp assembly; 41, shell; 42, inner casing; 43, air channel; 44, ventilation slot; 45, installing hole; 46, gusset; 47, internal thread; 51, heat-conducting plate; 52, LED chip; 53, erecting tools hole; 54, external screw thread.
Detailed description of the invention
For further understanding content of the present utility model, in conjunction with the accompanying drawings and embodiments the utility model is described in detail.
Embodiment
In conjunction with Fig. 1 and Fig. 2, a kind of air duct radiation type LED track spotlight lamp body of the present embodiment, is mainly made up of gland 1, light-passing board 2, reflection shield 3, heat-dissipation lamp housing 4 and LED lamp assembly 5, wherein:
As shown in Figure 3 and Figure 4, heat-dissipation lamp housing 4 comprises shell 41, inner casing 42 and gusset 46, shell 41 is by being located at the outside of inner casing 42 along the radially equally distributed gusset 46 of inner casing 42, and form air channel 43 between shell 41 and inner casing 42, extend along the axial front and back of inner casing 42 in this air channel 43, promote circulation of air to take away heat, obviously improved radiating effect.Shell 41, inner casing 42 and gusset 46 structure that is formed in one, can adopt die casting moulding, contributes to mass production, reduces production costs.On inner casing 42, offer a circle ventilation slot 44, this ventilation slot 44 is connected inner casing 42 with air channel 43, has strengthened further the circulation of air scope of heat-dissipation lamp housing 4 inside, has improved radiating efficiency, greatly reduces the operating temperature of LED track spotlight; Ventilation slot 44 can, after heat-dissipation lamp housing 4 global formations, carry out machined acquisition on lathe.On heat-dissipation lamp housing 4, also offer the installing hole 45 for connecting LED power pack connecting rod, installing hole 45 runs through shell 41 and inner casing 42, when installation, bolt can be passed from inside to outside, is then connected on connecting rod, simple in structure, easy for installation.The material of heat-dissipation lamp housing 4 is aluminium, and thermal conductivity is good, light weight and be easy to machine-shaping.The cross sectional shape of shell 41 is circular square or positive nonagon, various informative, has met the market demand, can replace well existing golden halogen track lamp; Specifically in the present embodiment, the cross sectional shape of shell 41 is circular (as shown in Figure 3).The present embodiment adopts double-deck heat-dissipation lamp housing 4, whole lamp housing all has thermolysis, increase area of dissipation, in the situation that environment temperature is 25 DEG C, the temperature of LED light source can be controlled in 50 DEG C, and now the light decay of LED light source is very little, not fragile, can use 4～5 years, meet client's demand completely.
Reflection shield 3 is installed in inner casing 42, and the front end of reflection shield 3 is provided with flanging, is positioned inner casing 42 for installing; The reflective surface of reflection shield 3 combines (not shown) by several facets, has strengthened the spotlight effect of LED track spotlight.
Light-passing board 2 is installed on the front end of reflection shield 3, and be fixed by gland 1, light-passing board 2 is made (light transmittance is 98% left and right) for two-layer coating transparency glass plate, it is pressed on the flanging of reflection shield 3, and the upper plane of light-passing board 2 and the upper plane of heat-dissipation lamp housing 4 flush with or slightly higher than the upper plane of heat-dissipation lamp housing 4 mutually; The shape of cross section of the cross section of gland 1 and heat-dissipation lamp housing 4 and in the same size, and fixing by screw and heat-dissipation lamp housing 4, light-passing board 2 is pressed between gland 1 and heat-dissipation lamp housing 4, and keeps air channel 43 unimpeded.
LED lamp assembly 5 is installed on the rear end of reflection shield 3, and is threaded with inner casing 42; Particularly, shown in Figure 5, LED lamp assembly 5 comprises heat-conducting plate 51 and LED chip 52, and LED chip 52 is fixed on heat-conducting plate 51 by screw, after LED chip 52 damages, can change quickly and easily, simple to operate, repairs without specialty, has reduced maintenance cost.Heat-conducting plate 51 is provided with external screw thread 54, the inwall of inner casing 42 is provided with the internal thread 47 matching with above-mentioned external screw thread 54, LED lamp assembly 5 is threaded connection with inner casing 42, increase the contact area of LED lamp assembly 5 with inner casing 42, be conducive to LED lamp assembly 5 to extraneous transferring heat, improved heat exchanger effectiveness, without additionally installing radiator additional, volume is little; And adopting is threaded is convenient to the dismounting of LED lamp assembly 5, has facilitated the later maintenance of LED track spotlight.On heat-conducting plate 51, also offer for LED lamp assembly 5 is installed on to the erecting tools hole 53 on inner casing 42, this erecting tools hole 53 is evenly equipped with three on heat-conducting plate 51, have the effect of dismounting and ventilation and heat concurrently, coordinate ventilation slot 44 can realize the Air Flow of inner casing 42 inside, strengthened radiating effect.LED chip 52 is provided with the wire of external LED power supply, wire end is plug in construction, this plug in construction can be connection plug or jack, after damaging, LED chip 52 heat-conducting plate 51 can be removed to replacing, safeguard simple and conveniently, be conducive to the on a large scale popularization of high-powered LED lamp on commercial lighting market.The material of heat-conducting plate 51 is aluminium, and thermal conductivity is good, light weight and be easy to machine-shaping.
What deserves to be explained is, after a kind of air duct radiation type LED track spotlight lamp body of the present embodiment is installed, reflection shield 3 inside are hermetically-sealed construction, have avoided laying dust on reflection shield 3, light-passing board 2 and LED chip 52, without periodic cleaning, safeguard simple and convenient.
A kind of air duct radiation type LED track spotlight lamp body of the present embodiment, be installed on LED power pack connecting rod by installing hole 45, in LED power pack, be provided with LED power supply, LED chip 52 is connected with LED power supply by the plug in construction of its wire end, can normally use, after LED chip 52 damages, LED chip 52 is removed from heat-conducting plate 51, extract wire, i.e. replaceable new LED chip 52, attended operation is convenient.As shown in Figure 2, a kind of air duct radiation type LED track spotlight lamp body of the present embodiment, its air channel 43 is axially run through along lamp body, and air channel 43 is connected by ventilation slot 44 with inner casing 42, inner casing 42 inside are connected with the external world by erecting tools hole 53 again, therefore at least comprise two-way air flow channel, by the mobile natural heat dissipation of air, without using radiator fan, operation noiselessness; In addition, utilize heat-conducting plate 51 and good the contacting of inner casing 42, increased contact area, improved heat exchange efficiency; Facts have proved, in the situation that environment temperature is 25 DEG C, the operating temperature of the LED chip 52 of power 30W can be controlled in 50 DEG C, and the light decay of LED chip 52 is very little, not fragile, can use 4～5 years completely.
A kind of air duct radiation type LED track spotlight lamp body of the present utility model, utilization is established duct-ventilated double-layer shell structure and is dispelled the heat, and LED light source and double Shell to contact area of dissipation large, radiating effect obviously improves, and in the situation that environment temperature is 25 DEG C, the operating temperature of the LED chip of power 30W can be controlled in 50 DEG C, the light decay of LED chip is very little, not fragile, can use 4～5 years, meet customer demand completely; Meanwhile, without additionally installing radiator additional, volume is little, and can change quickly and easily after LED chip damage, simple to operate, can replace well existing golden halogen track lamp.
Below schematically the utility model and embodiment thereof are described, this description does not have restricted, and shown in accompanying drawing is also one of embodiment of the present utility model, and actual structure is not limited to this, according to LED chip heat radiation needs, heat-dissipation lamp housing can be made 3 layers or 4 layers.So, if those of ordinary skill in the art is enlightened by it, in the situation that not departing from the utility model creation aim, without creatively designing the frame mode similar to this technical scheme and embodiment, all should belong to protection domain of the present utility model.
Claims (9)
1. an air duct radiation type LED track spotlight lamp body, comprise gland (1), light-passing board (2), reflection shield (3), heat-dissipation lamp housing (4) and LED lamp assembly (5), it is characterized in that: described heat-dissipation lamp housing (4) comprises shell (41), inner casing (42) and gusset (46), described shell (41) is by be located at the outside of inner casing (42) along the radially-arranged gusset of inner casing (42) (46), and forms air channel (43) between shell (41) and inner casing (42); Described reflection shield (3) is installed in inner casing (42); Described light-passing board (2) is installed on the front end of reflection shield (3), and is fixed by gland (1); Described LED lamp assembly (5) is installed on the rear end of reflection shield (3), and is threaded with inner casing (42).
2. a kind of air duct radiation type LED track spotlight lamp body according to claim 1, it is characterized in that: on described inner casing (42), offer a circle ventilation slot (44), described ventilation slot (44) is connected inner casing (42) with air channel (43).
3. a kind of air duct radiation type LED track spotlight lamp body according to claim 1 and 2, it is characterized in that: described LED lamp assembly (5) comprises heat-conducting plate (51) and LED chip (52), described LED chip (52) is fixed on heat-conducting plate (51) by screw, described heat-conducting plate (51) is provided with external screw thread (54), the inwall of described inner casing (42) is provided with the internal thread (47) matching with above-mentioned external screw thread (54), on described heat-conducting plate (51), also offer for LED lamp assembly (5) being installed on to the erecting tools hole (53) on inner casing (42).
4. a kind of air duct radiation type LED track spotlight lamp body according to claim 3, is characterized in that: described LED chip (52) is provided with the wire of external LED power supply, and described wire end is plug in construction.
5. a kind of air duct radiation type LED track spotlight lamp body according to claim 4, is characterized in that: described light-passing board (2) is made up of two-layer coating transparency glass plate.
6. a kind of air duct radiation type LED track spotlight lamp body according to claim 5, it is characterized in that: on described heat-dissipation lamp housing (4), offer the installing hole (45) for connecting LED power pack connecting rod, described installing hole (45) runs through shell (41) and inner casing (42).
7. a kind of air duct radiation type LED track spotlight lamp body according to claim 6, is characterized in that: the cross sectional shape of described shell (41) is circular square or positive nonagon.
8. a kind of air duct radiation type LED track spotlight lamp body according to claim 7, is characterized in that: the material of described heat-dissipation lamp housing (4) is aluminium.
9. a kind of air duct radiation type LED track spotlight lamp body according to claim 8, is characterized in that: the material of described heat-conducting plate (51) is aluminium.
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| CN201420355801.5U CN204005521U (en) | 2014-06-27 | 2014-06-27 | A kind of air duct radiation type LED track spotlight lamp body |
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| CN201420355801.5U CN204005521U (en) | 2014-06-27 | 2014-06-27 | A kind of air duct radiation type LED track spotlight lamp body |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104019408A (en) * | 2014-06-27 | 2014-09-03 | 吴堃 | Air-duct-radiating-type LED (light-emitting diode) track spot lamp body |
| CN104565945A (en) * | 2015-01-19 | 2015-04-29 | 华南理工大学 | High-power LED down lamp with chimney effect reinforcing heat dissipation function |
| CN106641802A (en) * | 2016-12-30 | 2017-05-10 | 宁波欧琳厨具有限公司 | Portable purification negative ion lamp |
| CN106838847A (en) * | 2017-03-29 | 2017-06-13 | 桂林海威科技股份有限公司 | Cooling type LED outdoor water-proof illuminating lamp |
-
2014
- 2014-06-27 CN CN201420355801.5U patent/CN204005521U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104019408A (en) * | 2014-06-27 | 2014-09-03 | 吴堃 | Air-duct-radiating-type LED (light-emitting diode) track spot lamp body |
| CN104565945A (en) * | 2015-01-19 | 2015-04-29 | 华南理工大学 | High-power LED down lamp with chimney effect reinforcing heat dissipation function |
| CN106641802A (en) * | 2016-12-30 | 2017-05-10 | 宁波欧琳厨具有限公司 | Portable purification negative ion lamp |
| CN106641802B (en) * | 2016-12-30 | 2023-09-01 | 宁波欧琳厨具有限公司 | Portable purifying anion lamp |
| CN106838847A (en) * | 2017-03-29 | 2017-06-13 | 桂林海威科技股份有限公司 | Cooling type LED outdoor water-proof illuminating lamp |
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Granted publication date: 20141210 Termination date: 20150627 |
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| EXPY | Termination of patent right or utility model |