CN201672488U

CN201672488U - Lamp heat-radiating structure

Info

Publication number: CN201672488U
Application number: CN2009202719339U
Authority: CN
Inventors: 廖运昌
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-12-14
Filing date: 2009-12-14
Publication date: 2010-12-15
Anticipated expiration: 2019-12-14

Abstract

A lamp heat-radiating structure comprises at least one light emitting unit, wherein the light emitting unit is provided with a shell, one end of the shell is provided with a conducting element, and the shell is internally provided with at least one heat conducting piece; one end surface of the heat conducting piece is provided with a bearing piece; the bearing piece is provided with a light emitting diode; the light emitting diode is electrically connected with the bearing piece; the heat conducting piece is sheathed with a heat-radiating piece at the outer side; heat generated by the light emitting diode can be transmitted to the heat conducting piece through the bearing piece and then to the heat-radiating piece through the heat conducting piece; the heat-radiating piece is arranged in the shell; and the shell is provided with a plurality of heat-radiating holes. Therefore, in the creation, the lamp heat-radiating structure can be hidden in the shell, lower the working temperature of the light emitting diode and enable the lamp to be directly installed on the existing lamp holder.

Description

Lamp cooling structure

Technical field

The utility model refers in particular to a kind of being applicable to the heat abstractor of high-brightness LED unit as the light fixture of light emitting source relevant for a kind of radiator structure of light fixture.

Background technology

Progress along with science and technology, the light-emittingdiode of high brightness (LED) is developed out, the design that this high-brightness LED unit is attempted substitutes traditional lighting light fixture (fluorescent lamp, illuminator lamp bubble, street lamp etc.), the brightness that this high-brightness LED unit can produce far exceeds in common light-emittingdiode, therefore illumination that the dealer makes this high-brightness LED unit family expenses is arranged with Electricity-saving lamp bulb or fluorescent tube form, with this be that light emitting source replaces traditional gas discharge type fluorescent tube or osram lamp by light-emittingdiode; Yet supporter's high brightness power and come be exactly this light-emittingdiode start the time can produce high heat, therefore generally be used as the design that illuminating high-brightness LED unit can need radiator structure, so that the temperature during the light-emitting diodes body running is unlikely to too high and influences its service life.

General radiator is made with the material with high thermal conductivity coefficient mostly, and these radiators can be designed to have the structure of plural fin shape, utilize these radiator contact thermals source, radiator is dispersed to thermal source on each fin, strengthen the surface area of thermal source ingress of air with fin, and improve the speed of heat radiation.

Above-mentioned traditional finned radiator needs certain volume (increase area of dissipation), and this radiator needs to be placed in draughty position at least and just can reach better heat radiating effect is arranged, yet according to above-mentioned architectural feature, known finned radiator might not be fit to design on the structure of general home-use light-emittingdiode fluorescent tube or light-emittingdiode bulb; Promptly, thisly need large tracts of land and be installed on the finned radiator structure at well-ventilated place if when being installed on described light-emittingdiode fluorescent tube or the light-emittingdiode bulb, the fin of this radiator must expose, and exposed fin is except influencing attractive in appearance and illuminating effect (may produce shade because of fin), the light fixture that is provided with radiator also may be directly and the lamp socket of conventional lamp (referring to provide fluorescent tube or bulb setter) do installing, that is to say protrusion radiating fin may and lamp socket between produce interference arranged, and make light fixture to install smoothly.

The utility model content

The purpose of this creation needs to increase heat abstractor and the problem that derives when solving by the conventional lamp conversion designs to light-emitting diode lamp.

For addressing these problems, this creation provides a kind of new lamp cooling structure, and this creation will provide at the first designed embodiment lamp cooling structure of Electricity-saving lamp bulb pattern, and at the second designed embodiment lamp cooling structure of fluorescent tube pattern; The lamp cooling structure of this first embodiment comprises a shell, what run through on this shell is provided with plural louvre, one end of this shell is provided with conducting element can do electrical being connected with the light fixture lamp socket, and be provided with the plural heat-conducting piece of making by the high thermal conductivity coefficient material in the shell, be installed with by the high-termal conductivity material on one end face of each heat-conducting piece and maybe can be a wafer carrier spare that has the electric conductivity material to make, can directly plant crystalline substance on this bearing part one light-emittingdiode is set, and each heat-conducting piece outside is arranged with a radiating piece respectively, radiating piece is by the made tubular body with porous emptying aperture structure of carbon fiber hybrid metal particulate, this radiating piece possesses high thermal conductivity coefficient, and its porous emptying aperture structure helps flowing of hot-air.

The light fixture of second embodiment of this creation comprises one first luminescence unit, one second luminescence unit and a fluorescent tube constitute, this fluorescent tube comprises one first end and one second end, each luminescence unit is sheathed on respectively on first end and second end of fluorescent tube, each luminescence unit comprises a shell, the louvre that is provided with plural number that runs through on this shell, one end of shell is provided with conducting element can do electrical being connected with the lamp socket of light fixture, and be provided with a heat-conducting piece of making by the high thermal conductivity coefficient material in the shell, be installed with by the high-termal conductivity material on one end face of this heat-conducting piece and maybe can be a bearing part that has the electric conductivity material to make, can directly plant crystalline substance on this bearing part one light-emittingdiode is set, and the sheathed radiating piece in the heat-conducting piece outside, radiating piece is made the tubular body with porous emptying aperture structure by carbon fiber hybrid metal particulate and is constituted, this radiating piece possesses high thermal conductivity coefficient, and its porous emptying aperture structure helps flowing of hot-air.

The heat that produces during the light-emittingdiode start of first embodiment and second embodiment will conduct on the radiating piece by heat-conducting piece, enlarge the area of dissipation and its porous emptying aperture structure that contact with air by radiating piece and help flowing of hot-air, utilize the radiating piece radiating effect that heat is guided on the radiating piece by light-emittingdiode, and the design by the shell louvre improves ventilation effect, makes that the radiating effect of this radiating piece is preferable.

This creation is by above-mentioned architectural feature, make this radiating piece can be built in the inside of light fixture (in the enclosure), do not have and protrude fin and be directed at light fixture and can't be installed on problem on the lamp socket, make Mining can directly be installed on the known lamp socket, and make these light fixtures that heat abstractor of this creation is housed obtain high radiating effect with the made Electricity-saving lamp bulb type of high-brightness LED unit or the lighting of fluorescent tube pattern.

Description of drawings

Fig. 1 creates the three-dimensional decomposition appearance figure of the first embodiment light fixture for this.

Fig. 2 creates the longitudinal sectional view of the first embodiment light fixture for this.

Fig. 3 is the local amplification view of second figure circle choosing part.

Fig. 4 creates the three-dimensional decomposition appearance figure of the second embodiment light fixture for this.

Fig. 5 creates the partial sectional view of the second embodiment light fixture for this.

Fig. 6 is the local amplification view of the 5th figure circle choosing part.

Fig. 7 creates the partial sectional view of the second embodiment lamp installation on lamp socket for this.

The main element symbol description

1 luminescence unit, 11 end caps

111 upper surfaces, 112 lower surfaces

113 conducting elements, 114 locating slots

115 through holes, 116 draw-in grooves

12 power control circuit plates, 121 fastening ends

122 power lines, 13 heat-conducting pieces

130 through holes, 131 leading portions

132 back segments, 1310,1320 end faces

134 lockholes, 135 screws

14 fluorescent tubes, 141 inner spaces

142 first ends, 143 second ends

144 reflector plates, 145 surfaces

15 radiating pieces, 151 outer surfaces

152 inner surfaces, 16 bearing parts

161 upper surfaces, 162 lower surfaces

163 perforation 17 are connected part

170 shoulders, 171 internal diameters

172 external diameters, 173 front ends

174 rear ends, 175 loading ends

18 dividing plates, 181 holes

19 shells, 191 installing spaces

192 first ends, 193 the second ends

195 perforation of 194 engagement grooves

196 louvres, 2 light-emittingdiodes

21 reflectors, 3 lamp sockets

4 lock members, 5 screws

6 diffusers, 7 lamp sockets

The specific embodiment

Appended all are graphic only is convenient to explain the basic instruction of this creation, in graphic will to the number of the element that constitutes preferred embodiment, position, relation, and the extension of size will have illustratedly, lead relevant the variations enforcement in back at the Teaching-with that reads and understand this creation and belong to industry technical ability.In addition, after the Teaching-with that reads and understand this creation leads, cooperate specific strength, weight, intensity, and the accurate dimension of similar requirement and the change of dimension scale also belong to industry technical ability.

In difference is graphic, indicate identical or like with same numeral; Please understand in the literary composition side in addition such as " first ", " second ", " on ", D score, " preceding ", " back ", " interior ", " outward ", " end ", " portion ", " section ", " level ", " vertically ", " inwardly ", " outwards ", " width ", " length ", " district ", " on every side ", " " or the like and similar term only be convenient in person's reference diagram with the aid of pictures structure and only be used for helping to describe this creation.

This creation provides two embodiment according to the Electricity-saving lamp bulb pattern (first embodiment) commonly used in the present home lighting light fixture and the light fixture of fluorescent tube pattern (second embodiment).Consult Fig. 1 to shown in Figure 3, this creates the light fixture of the first embodiment Electricity-saving lamp bulb pattern, in fact this light fixture is made of a luminescence unit 1 of Electricity-saving lamp bulb pattern, this luminescence unit 1 has an end cap 11, this end cap 11 comprises a upper surface 111 and a lower surface 112 that is distinguished along installation direction axially (arbitrary axis of the axially parallel of finger tip lid 11), this upper surface 111 along installation shaft to the conducting element 113 that is installed with that protrudes out, and lower surface 112 is provided with locating slot 114 (showing five locating slots 114 in graphic) for depression, and upper surface 111 corresponding each locating slot 114 have the through hole 115 of the locating slot of being through to 114, and, end cap 11 is symmetrically arranged with two draw-in grooves 116 in the inside that is positioned at conducting element 113.

According to this creation Fig. 1 to preferable first embodiment shown in Figure 3, this light fixture further comprises a power control circuit plate 12, these power control circuit plate 12 corresponding end cap 11 2 draw-in grooves 116 are provided with fastening end 121, this power control circuit plate 12 is provided with electronic circuit and electronic component, and power control circuit plate 12 is arranged in 116 of two draw-in grooves of end cap 11 with its fastening end 121, power control circuit plate 12 can utilize the power line 122 and the conducting element 113 of end cap 11 to electrically connect, this conducting element 113 can electrically connect with feeder ear (civil power), 12 voltage and electric currents (changing alternating current into direct current) that the power rectifier that imports can be become be suitable for of power control circuit plate.

To first preferred embodiment shown in Figure 3, this light fixture further includes heat-conducting piece 13 according to this creation Fig. 1, and its quantity can be provided with quantity according to the locating slot 114 of end cap 11 and dispose; Each heat-conducting piece 13 can be made shaft-like (round bar shape) by high heat-conduction coefficient material thing, heat-conducting piece 13 has according to an axial leading portion 131 that distinguishes and a back segment 132, and this leading portion 131 respectively has an end face 1310 with

back segment

132,1320, the end face 1310 of this leading portion 131 axially is provided with lockhole 134 (consulting Fig. 3) along it, the end face 1320 of this back segment 132 caves in vertically and is provided with screw 135, the back segment 132 of each heat-conducting piece 13 is installed in respectively in each locating slot 114 of end cap 11, and utilize lock member 4 to pass in the screw 135 of the heat-conducting piece 13 of locking correspondence by end cap 11 through holes 115 respectively, make each heat-conducting piece 13 be fixedly arranged on lower surface 112 places of end cap 11.

According to this creation Fig. 1 to preferable first embodiment shown in Figure 3, this light fixture further comprises according to the set radiating piece 15 of heat-conducting piece 13 quantity, each radiating piece 15 is by the made tubular body of carbon fiber hybrid metal particulate, so that radiating piece 15 has porous emptying aperture structure and high thermal conductivity coefficient and radiating effect is arranged, radiating piece 15 comprise according to its axle center an outer surface 151 and the inner surface 152 that can distinguish, this inner surface 152 have with heat-conducting piece 13 outside the shape and the size that conform to, each radiating piece 15 is sheathed on respectively outside the heat-conducting piece 13, and inner surface 152 driving fits that make radiating piece 15 are in heat-conducting piece 13 surfaces.

According to this creation Fig. 1 to preferable first embodiment shown in Figure 3, this light fixture further comprises according to heat-conducting piece 13 the plural bearing part 16 that quantity provides is set, each bearing part 16 is by the made thin slice body of high thermal conductivity coefficient, and or can be and have electric conductivity, bearing part 16 is a upper surface 161 and a lower surface 162, and has a perforation 163 that runs through upper surface 161 and lower surface 162, can directly plant crystalline substance on this upper surface 161 and be provided with light-emittingdiode 2 (consulting shown in Figure 3), this light-emittingdiode 2 can be electric connection with bearing part 16; Each bearing part 16 is arranged on the end face 1310 of heat-conducting piece 13 leading portions 131, and the perforation 163 of each bearing part 16 provides a corresponding screw 5 to pass in the lockhole 134 of locking heat-conducting piece 13, makes the lower surface 162 of each bearing part 16 be resisted against closely on the end face 1310 of leading portion 131 of heat-conducting piece 13; Again; leading portion 131 end faces 1310 of each described heat-conducting piece 13 are provided with a dividing plate 18 further and can protect power control circuit plate 12; corresponding each heat-conducting piece 13 is provided with porose 181 on this dividing plate 18; this dividing plate 18 is clamped in 13 of each bearing part 16 and each heat-conducting pieces; maybe can make the hole 181 of dividing plate 18 be sheathed on heat-conducting piece 13 or radiating piece 15 outsides, this hole 181 is lower surface 162 driving fits with bearing part 16 of the end face 1310 that makes section 131 before the heat-conducting piece 13.

According to this creation Fig. 1 to preferable first embodiment shown in Figure 3, this light fixture comprises that further an inside has the tubular shell 19 of an installing space 191, this shell 19 has along its an axial first end 192 of distinguishing and a second end 193, its first end 192 can engage with the outer rim on surface 112 under the end cap 11, make above-mentioned heat-conducting piece 13, radiating piece 15 members such as grade place in this installing space 191, and the second end 193 hollowly is equipped with an engagement groove 194 (consulting Fig. 3) according to the inner edge of shell 19, can provide setting firmly of a diffuser 6 in this engagement groove 194, and diffuser 6 is made by the light-permeable material, can allow light penetration, in addition, the louvre 196 that has plural hollow out on the body of shell 19.

The light fixture of this first embodiment is to design according to the Electricity-saving lamp bulb pattern, this conducting element 113 can be arranged on the lamp socket 3, this lamp socket 3 electrically connects with feeder ear (civil power) provides lamp luminescence required electric power, the heat that this light-emittingdiode 2 produces when luminous can be passed to heat-conducting piece 13 heat build-ups and contact-making surface is enlarged by bearing part 16, this heat-conducting piece 13 can be passed to heat radiating piece 15, and the outer surface 151 of radiating piece 15 and porous emptying aperture structure thereof make heat have bigger area to contact with air, and porous emptying aperture structure helps flowing of hot-air and disengages; The louvre 196 of shell 19 provides each radiating piece 15 to have draughty space outside described, utilize the circulation of air type of cooling to light-emittingdiode 2 heat radiations, and has better heat radiating effect, make that this light-emittingdiode 2 can be not overheated and cause shorten service life or have the facts of damage to take place, each radiating piece 15 of this first embodiment is positioned at the installing space 191 of shell 19, make each radiating piece 15 not protrude outside the shell 19, therefore this radiating piece 15 not can and 3 generations of lamp socket interference is arranged, and can be directly with traditional lamp socket 3 on installation.

Not breaking away under this eucalyptus technology contents, with regard to above-mentioned technical characterictic, this creation still has one second example structure as follows:

Second embodiment that this creation provides is a kind of design according to fluorescent lamp tubular type light fixture, consult Fig. 4 to shown in Figure 7, the disclosed light fixture of this second embodiment comprises one first luminescence unit 1, one second luminescence unit 1 ' and between the fluorescent tube 14 of 1 of first luminescence unit 1, one second luminescence unit, this first luminescence unit 1 and second luminescence unit 1 ' possess identical architectural feature, therefore will illustrate synchronously with identical label, and the luminescence unit 1 of the following stated all is to refer to first luminescence unit 1 and second luminescence unit 1 ' simultaneously.According to the second preferable preferred embodiment of this creation, each luminescence unit 1 comprises a heat-conducting piece 13, shaft-like or the tubulose that this heat-conducting piece 13 is made by high heat-conduction coefficient material thing (second tubulose that embodiment is disclosed as) body, this heat-conducting piece 13 has been separated out leading portion 131 and back segment 132 according to its axial area, and be positioned at the

end face

1310,1320 that this leading portion 131 and back segment 132 have, and the heat-conducting piece 13 of tubulose is the through hole 130 that connects leading portion 131 and back segment 132

end faces

1310,1320 is arranged; Again, the back segment 132 of each heat-conducting piece 13 has the external diameter greater than leading portion 131, makes this leading portion 131 and back segment 132 form the drop with scalariform, and the end face 1310 of this leading portion 131 is provided with two lockholes 134.

According to this creation Fig. 4 to preferable second embodiment shown in Figure 7, each luminescence unit 1 further comprises a radiating piece 15, this radiating piece 15 is by the made tubular body of carbon fiber hybrid metal particulate, so that radiating piece 15 has porous emptying aperture structure and high thermal conductivity coefficient and radiating effect are arranged, and radiating piece 15 is to be an outer surface 151 and an inner surface 152 are arranged with regard to the feature of its tubular body; Surperficial 152 profiles cooperate with the back segment 132 of heat-conducting piece 13 with size within the radiating piece 15, make radiating piece 15 can be sheathed on back segment 132 outsides of heat-conducting piece 13, make the surface 15 of inner surface 152 driving fits section 132 after heat-conducting piece 13 of radiating piece 15.

According to this creation Fig. 4 to preferable second embodiment shown in Figure 7, each luminescence unit 1 further comprises a bearing part 16, this bearing part 16 is by the made thin slice body of high heat-conduction coefficient material thing, and can have electric conductivity, bearing part 16 has upper surface 161 and opposing lower surface 162, and this bearing part 16 has two perforation 163 that run through upper surface 161 and lower surface 162; Again, can directly plant crystalline substance on the upper surface 161 of bearing part 16 light-emittingdiode 2 (consulting shown in Figure 6) is set, this light-emittingdiode 2 can become to electrically connect with bearing part 16, and can be covered with a reflector 21 outside the light-emittingdiode 2 of bearing part 16, this reflector 21 is used for assembling the radiation direction of light-emittingdiode 2; Each bearing part 16 is arranged on the end face 1310 of heat-conducting piece 13 leading portions 131, and the perforation 163 of bearing part 16 provides corresponding screw 5 to pass respectively in the lockhole 134 of locking heat-conducting piece 13, makes the lower surface 162 of bearing part 16 be resisted against closely on the end face 1310 of heat-conducting piece 13 leading portions 131.

According to this creation Fig. 4 to preferable second embodiment shown in Figure 7, each luminescence unit 1 further comprises a power control circuit plate 12, this power control circuit plate 12 is provided with electronic circuit and electronic component and conducting element 113, and this power control circuit plate 12 can be arranged at this heat-conducting piece 13 rear ends, power control circuit plate 12 utilizes power line 122 to electrically connect with light-emittingdiode 2, this conducting element 113 can be connected with feeder ear (civil power), can make power control circuit plate 12 provide light-emittingdiode 2 to light in voltage and the electric current (changing alternating current into direct current) that the power rectifier that imports becomes to be suitable for.

According to this creation Fig. 4 to preferable second embodiment shown in Figure 7, each luminescence unit 1 further comprises the linking part 17 of a tubular body, it has an internal diameter 171 and external diameter 172, and front end 173 and rear end 174 have been divided into according to its axis direction, further, be connected outside the part 17 and directly 172 be equipped with a shoulder 170 to separate out front end 173, rear end 174, and shape cooperates with size outside leading portion 131 external diameters of its internal diameter 171 and heat-conducting piece 13, linking part 17 can be sheathed on outside the leading portion 131 of heat-conducting piece 13, make internal diameter 171 driving fits that are connected part 17 in the surface of heat-conducting piece 13 leading portions 131.Again, the ora terminalis of front end 173 internal diameters 171 depression is provided with a loading end 175, and this loading end 175 can a ccontaining diffuser 6; The surface of this diffuser 6 can be provided with plated film, make 6 of diffusers allow light source to penetrate by a side, the light source that light-emittingdiode 2 is produced can not reflect, to improve illuminating effect, described light-emittingdiode 2 is towards this

diffuser

6, and 6 of diffusers allow light to be passed through by a side direction diffuser 6 of light-emittingdiode 2.

According to this creation Fig. 4 to preferable second embodiment shown in Figure 7, each luminescence unit 1 further comprises shell 19 outside the tubulose, this shell 19 separates out an installing space 191 according to its internal diameter, and the first end 192 of an open port and the second end 193 of closed port axially have been separated out according to it, but this second end 193 also is provided with the perforation 195 that the conducting element 113 of power supply source control circuit board 12 places, and the louvre 196 of shell 19 for having plural hollow out; Again, the geomery of shell 19 internal diameters be connected part 17 outside footpath 172 cooperate hold 174 so that the first end 192 of shell 19 open ports can be sheathed on after being connected part 17, so that the installing space 191 of shell 19 can ccontaining said elements.

According to this creation Fig. 4 to preferable second embodiment shown in Figure 7, this hollow fluorescent tube 14, has an inner space 141, this fluorescent tube 14 comprises along its axial first end 142 that separates and second end 143, preferable second embodiment shown in graphic according to this creation, this light fixture comprises that further one is placed in the reflector plate 144 in the inner space 141, this reflector plate 144 has two surfaces 145 that axially separated out along fluorescent tube 14, this two surface 145 possesses the effect of reflection source, and each surface 145 has the curved surfaces of evagination, this reflector plate 144 is fixedly arranged in the inner space 141 of fluorescent tube 14, and is positioned at the central authorities of fluorescent tube 14.

Consult Fig. 5 to shown in Figure 7, described first luminescence unit 1 of second embodiment is socketed on the port of fluorescent tube 14 first ends 142 with its front end 173 external diameters 172 that are connected part 17, and the front end 173 that is connected part 17 is placed in the inner space 141; And second luminescence unit 1 ' is socketed on the port of fluorescent tube 14 second ends 143 with its front end 173 ' external diameter 172 ' that is connected part 17 ', and its front end 173 is placed in the inner space 141, constitutes the light fixture of complete fluorescent tube pattern; The light fixture of this second embodiment can directly be installed on the lamp socket 7 that known fluorescent tube uses, and makes the conducting element 113 of each luminescence unit 1 see through this lamp socket 7 and electrically connects with feeder ear (civil power), provides light-emittingdiode 2 required electric power; The luminescence unit 1,1 ' that this light fixture utilization of creating second embodiment is divided into fluorescent tube 14 2 ends produces lighting source, can pass outside the fluorescent tube 14 after making these light sources pass diffuser 6,6 ', perhaps light source projects is to the surface 145 of reflector plate 144, by the reflection on the surface 145 of reflector plate 144 and change the angle of advancing of light source, light source is passed outside the fluorescent tube 14, preferable illuminating effect is provided.

This creates the Design of Luminaires of second embodiment, can not make its outer setting that the fin project organization of protrusion is arranged under the state of heat abstractor being equipped with, therefore can directly be installed on the effective lamp socket of traditional fluorescent lamp 7 and can not produce interference, the heat that this light-emittingdiode 2 is produced when luminous can be passed to heat-conducting piece 13 by bearing part 16 to be assembled thermals source and makes itself and contact-making surface expansion (heat-conducting piece 13 exterior surface area and through hole 130 inner surface areas) in external world, this heat-conducting piece 13 can be passed to heat radiating piece 15, and the outer surface 151 of radiating piece 15 and porous emptying aperture structure thereof make heat have bigger air contact-making surface and preferable circulation, and the through hole 130 of heat-conducting piece 13 also provides flowing of hot-air; The louvre 196 of described shell 19 provides radiating piece 15 that good airspace is arranged, to utilize cooling air mode to light-emittingdiode 2 heat radiations, and have good radiating effect, make that this light-emittingdiode 2 can be not overheated and cause shorten service life or damage is arranged.

This creation specification and graphic shown in be known most preferred embodiment of when application; its purpose only is used to help more to understand the technical characterictic of this creation; so these embodiment should not be used to limit the request claim of this creation; be to know that disclosing the variation that other also can be arranged under technical characterictic in this creation implements; for example change shape, the quantity of heat-conducting piece 13 among first embodiment or second embodiment; or the configuration mode of change shell 19 louvres 196 ... etc.; easy variation like that is implemented, and all belongs to the protection category of this creation request claim.

Claims

1. lamp cooling structure comprises:

One heat-conducting piece (13) is made by tool thermal conductivity material, and this heat-conducting piece (13) comprises according to section (131) and back segment (132) before its axial extension;

One bearing part (16), by having the made fine sheet of thermal conductivity material, this bearing part (16) has upper surface (161) and lower surface (162), wherein can directly plant crystalline substance on the upper surface (161) and be provided with light-emittingdiode (2), and this bearing part (16) is fixedly arranged on leading portion (131) end face of heat-conducting piece (13), and bearing part (16) lower surface (162) is resisted against on leading portion (131) end face of heat-conducting piece (13);

One radiating piece (15), make by carbon fiber hybrid metal particulate, and has porous emptying aperture structure, this radiating piece (15) be the tubular body of a hollow to have outer surface (151) and inner surface (152), this inner surface (152) conforms to be mounted on outside the heat-conducting piece (13) with heat-conducting piece (13) profile.

2. lamp cooling structure as claimed in claim 1, it is characterized in that: this light fixture includes an end cap (11) and a power control circuit plate (12) in addition, this end cap (11) have a upper surface (111) and relatively under surface (112), this upper surface is to have a conducting element (113) that can be connected with civil power, and lower surface be for can providing the winding of heat-conducting piece (15), and power control circuit plate (12) to be conducting element (113) electrically connect with light-emittingdiode (2) intercropping.

3. lamp cooling structure as claimed in claim 2, it is characterized in that: the conducting element (113) of this end cap (11) protrudes and is arranged on the upper surface (11), and lower surface has been recessed to form a locating slot, and the rear end (132) of heat-conducting piece (13) is located in this locating slot (114).

4. lamp cooling structure as claimed in claim 2, it is characterized in that: this power control circuit plate (12) is provided with fastening end (121), the fastening end (121) of the inner corresponding power control circuit board of described end cap (11) (12) is provided with draw-in groove (116), and this power control circuit plate (12) is arranged in the draw-in groove (116) with fastening end (121).

5. lamp cooling structure as claimed in claim 2, it is characterized in that: this light fixture includes the tube-like envelope (19) that an inside has installing space (191) in addition, this shell (19) tool is axially distinguished along it a first end (192) and a second end (193), its first end (192) is to engage with surface (112) under the end cap (11), heat-conducting piece (13), radiating piece (15) member are placed in the installing space (191), and the second end (193) is for having a diffuser (6).

6. lamp cooling structure as claimed in claim 1 is characterized in that: the back segment (132) of this heat-conducting piece (13) has the external diameter greater than leading portion (131), and radiating piece (15) is mounted on heat-conducting piece (13) section (132) outside afterwards.

7. lamp cooling structure as claimed in claim 1 or 2 is characterized in that: this heat-conducting piece (13) is that a tubular body has a through hole (130).

8. as claim 6 or 7 described lamp cooling structures, it is characterized in that: this light fixture includes shell (19) outside a power control circuit plate (12) and the tubulose in addition, this power control circuit plate (12) has a conducting element (113) that can be electrically connected with the city so that the running of light-emittingdiode (2) to be provided, and shell (19) has the first end (192) that an installing space (191) and has open port according to its internal diameter, so that heat-conducting piece (13) to be provided, bearing part (16), inserting of bearing part (16) and power control circuit plate (12), again, shell (19) has the second end (193) of a closed port, this the second end (193) but have the perforation (195) that the conducting element (113) of power supply source control circuit board (12) exposes, in addition, shell (19) has the louvre (196) of plural hollow out.

9. lamp cooling structure as claimed in claim 8, it is characterized in that: this light fixture includes a tubular body in addition and is connected part (17) to form a luminescence unit (1), this linking part (17) has an internal diameter (171) and external diameter (172), and be separated with front end (173) and rear end (174) according to the axial area that is connected part (17), this linking part (17) holds (174) internal diameter (171) to can be leading portion (131) external diameter assembly mutually with heat-conducting piece (13) afterwards.

10. lamp cooling structure as claimed in claim 9 is characterized in that: be connected part (17) and hold (173) internal diameter (171) depression to be provided with a loading end (175) before, settle so that a diffuser (6) can be provided.

11. as claim 9 or 10 described lamp cooling structures, it is characterized in that: this light fixture includes two luminescence units (1) and a hollow fluorescent tube (14), this fluorescent tube has an inner space (141), and every being first end (142) and second end (143) are arranged according to fluorescent tube (14) axial area, and each front end (173) with its linking part (17) of two luminescence units (1) is connected the port that is mounted on fluorescent tube (14) first ends (142) and second end (143).

12. lamp cooling structure as claimed in claim 11 is characterized in that: the inner space (141) of fluorescent tube (14) is provided with a reflector plate (144).