CN201363673Y

CN201363673Y - Screw-shaped LED

Info

Publication number: CN201363673Y
Application number: CNU2009200521338U
Authority: CN
Inventors: 王毅
Original assignee: 王毅
Current assignee: Guangzhou Yinxu Photoelectric Technology Co., Ltd.
Priority date: 2009-03-09
Filing date: 2009-03-09
Publication date: 2009-12-16
Anticipated expiration: 2019-03-09

Abstract

The utility model discloses a screw-shaped LED, which comprises a high-power LED, a metal circuit board, a power wire and a screw-shaped housing, wherein both the high-power LED and the metal circuit board are arranged in the screw-shaped housing; the high-power LED is fixed on the metal circuit board and electrically connected with the metal circuit board; and the power wire is connected with the metal circuit board and passes through the screw-shaped housing. Compared with the prior art, the screw-shaped LED of the utility model adopts the screw-shaped design to greatly increase heat radiating area, and solves the heat radiating problem, so that the heat radiating problem of a bulb and a lamp housing does not need to be considered, and the use is convenient; a plurality of screw-shaped LEDs can be freely combined for use as needed, thereby providing good selective space for users; and in addition, the screw-shaped LED has good compatibility with the prior lamp, so that the lamps designed for the traditional bulbs of street lights, tunnel lights, exteriorwall lights and the like which are widely used at present can be improved; and energy consumption is saved and the requirement of environment protection is satisfied.

Description

Screw shaped LED

Technical field

The utility model relates to a kind of LED, is specifically related to a kind of high-power screw shaped LED.

Background technology

LED (Light Emitting Diode) is the abbreviation of light emitting diode, is a kind of solid-state semiconductor devices, and it can directly be converted into light to electricity.Led light source have use low-tension supply, power consumption less, strong, the stability height of applicability, response time weak point, environmentally safe, multicolor luminous etc. advantage, though the existing illuminating equipment costliness of price, it still is considered to and will substitutes existing illuminating device inevitably.Present great power LED, include 1W, 3W, 5W or more high-power type, they all have common characteristics in the use, be exactly that great power LED must be fixed on metal circuit board such as the aluminium base earlier, then that metal circuit board and heat-dissipating casing is bonding, the heat that produces when great power LED is worked distributes, thereby guarantee the service life of great power LED, this radiator structure to heat-dissipating casing requires very high, the mould that relates to can be very expensive, and mould is unfavorable for developing the light fixture of series type in case typing can't be changed.

At present, energy shortage comprises that China is all with the energy-conservation critical positions of putting owing to impelling many countries, though incandescent lamp that general lighting is used and halogen tungsten lamp low price, but light efficiency low (power consumption in vain of the fuel factor of lamp), energy consumption is big, life-span is short, maintenance workload is big, like this, the tengsten lamp and the Halogen lamp LED that with the high energy consumption are characteristics will be eliminated very soon, and be that the light fixture of these lamp envelope design is also with on the verge of being replaced, cause very big waste, this just needs a kind of LED product that have good compatibility, can use with these light fixtures.

The utility model content

But the screw shaped LED that the purpose of this utility model provides a kind of good heat dissipation effect, independent assortment easy to use and can be used in combination with ordinary lamp and lantern.

The purpose of this utility model is achieved by the following technical solution: comprise great power LED, metal circuit board, power line and screw shaped shell, described great power LED and metal circuit board all are arranged in the described screw shaped shell, wherein great power LED is fixed on the metal circuit board and with metal circuit board and is electrically connected, and power line is electrically connected and passes described screw shaped shell with metal circuit board.

The heat that produces during the utility model screw shaped LED work outwards sheds by the screw shaped metal shell, the screw shaped design can increase area of dissipation, conveniently install and fix again, the position that LED is installed at needs is according to the specification perforate of screw shaped shell and make screw thread, the screw thread of the screw thread of installing hole and screw shaped shell is complementary, and screw shaped LED directly is screwed into installing hole; Or install at needs on the panel of LED according to the size perforate of screw rod shell, LED fills in installing hole with screw shaped, utilizes the accessory that provides that screw shaped LED is pressed on the panel, can finish the installation of screw shaped LED.

As a kind of embodiment of the present utility model, described screw shaped shell is for having externally threaded tubular construction, the screw shaped enclosure has end sealing, the unlimited inner chamber of the other end, and described great power LED and metal circuit board all are positioned at the inner chamber of described screw shaped shell.Shell adopts tubular construction to make things convenient for production and processing, also can adopt according to actual needs certainly to have externally threaded other structure.

As further improvement of the utility model, also have heat carrier, described heat carrier is positioned at described screw shaped shell, and its inwall with the screw shaped shell contacts, and contacts with described metal circuit board.After adopting heat carrier, the heat that produces during great power LED work passes to the screw shaped shell by heat carrier, and the screw shaped shell outwards sheds heat again.

Described heat carrier can adopt the conductive structure of sheet, heat carrier is between the bottom surface of described metal circuit board and screw shaped shell, and closely contact the heat transferred screw shaped shell heat radiation that produces when great power LED being worked respectively with both by tight contact.

Described heat carrier can also adopt block conductive structure (as adopting the form of perfusion), if its ring enclose described metal circuit board around, and leave the space in the zone of great power LED relatively and get final product.

Usually the optional usefulness of heat carrier has the soft silica gel material of good heat conductive effect, also can adopt the Heat Conduction Material of other good heat conduction effect.

As further improvement of the utility model, also has collector lens, described collector lens is installed in the open end of the inner chamber of described screw shaped shell, and its position and described great power LED are suitable, the effect that the light that collector lens can make great power LED send produces optically focused.

Above-mentioned screw shaped LED is applicable to that installation panel has certain thickness structure, during installation, directly offers the screwed hole that matches with the screw shaped shell on panel, then LED is passed through screw shaped shell precession screwed hole, can realize the installation location of screw shaped LED.

Further improve as of the present utility model: also have the installation detent mechanism, described installation detent mechanism is connected with the screw shaped outer casing screw, described installation detent mechanism comprises cover and retainer plate, and the inwall of described cover and the inwall of retainer plate have the screw thread that matches with the screw shaped shell respectively.

Above-mentioned screw shaped LED with installation detent mechanism is applicable to that installation panel is the structure of thin plate, is fixed on screw shaped LED on the panel by cover and retainer plate.

Compared with prior art, the screw shaped design of the utility model screw shaped LED can greatly increase area of dissipation, himself has solved heat dissipation problem, need not consider the heat dissipation problem of bulb or lamp outer casing again, and it is easy to use, can as required a plurality of screw shaped LED independent assortments be used, provide good selection space to the user, and and existing light fixture has good compatibility, in installation process, only need pull down the cover of existing light fixture, and then load onto with former light fixture cover suitable, and the panel of one or more screw shaped LED is installed on it, again screw shaped LED is electrically connected and gets final product, can to as at present just at widely used street lamp, Tunnel Lamp, conventional bulb such as outer pinup and the light fixture that designs implements to transform energy efficient, compliance with environmental protection requirements.

Description of drawings

Below in conjunction with the drawings and specific embodiments the utility model is described in further details.

Fig. 1 is the overall structure schematic diagram of the utility model screw shaped LED embodiment one;

Fig. 2 is the decomposition texture schematic diagram of the utility model screw shaped LED embodiment one;

Fig. 3 is the overall structure schematic diagram of the utility model screw shaped LED embodiment two;

Fig. 4 is the decomposition texture schematic diagram of the utility model screw shaped LED embodiment two;

Fig. 5 is the overall structure schematic diagram of the utility model screw shaped LED embodiment three;

Fig. 6 is the decomposition texture schematic diagram of the utility model screw shaped LED embodiment three;

Fig. 7 is the scheme of installation of the utility model screw shaped LED embodiment three;

Fig. 8 is the structural representation of the light fixture cover of a plurality of embodiment three described screw shaped LED compositions;

Fig. 9 is the overall structure schematic diagram of the utility model screw shaped LED embodiment four;

Figure 10 is the decomposition texture schematic diagram of the utility model screw shaped LED embodiment four;

Figure 11 is one of scheme of installation of the utility model screw shaped LED embodiment four;

Figure 12 be the utility model screw shaped LED embodiment four scheme of installation two.

The specific embodiment

Embodiment one

Screw shaped LED as shown in Figure 1 and Figure 2, it comprises great power LED 1, metal circuit board 2, power line 3 and screw shaped shell 4, screw shaped shell 4 is for having externally threaded tubular construction, screw shaped shell 4 inside have end sealing, the unlimited inner chamber of the other end, great power LED 1 and metal circuit board 2 all are positioned at the inner chamber of screw shaped shell 4, wherein, great power LED 1 and power line 3 all are welded on the metal circuit board 2 and with metal circuit board 2 and are electrically connected, power line 3 and pass screw shaped shell 4.

The heat that produces during screw shaped LED work directly outwards sheds by metal screw shaped shell 4, screw shaped shell 4 can greatly increase area of dissipation, so screw shaped LED self has solved heat dissipation problem, need not consider the heat dissipation problem of bulb or lamp outer casing again, screw shaped shell 4 conveniently installs and fixes again simultaneously.

Screw shaped shell 4 in the present embodiment also can adopt the externally threaded suitable construction of being with of other shape.

Embodiment two

The embodiment two of screw shaped LED as shown in Figure 3, Figure 4, different with embodiment one is, it also has heat carrier 5, heat carrier 5 is the conducting strip structure of sheet, heat carrier 5 is positioned at screw shaped shell 4, it and closely contacts with the inwall of metal circuit board 2 with screw shaped shell 4 respectively between the bottom surface of metal circuit board 2 and screw shaped shell 4 mutually.

Heat carrier 5 adopts the soft silica gel material with good heat conductive effect, also can adopt other Heat Conduction Material to make, the heat that produces during great power LED 1 work is transmitted to screw shaped shell 4 rapidly by heat carrier 5 or other heat sink materials, outwards sheds by screw shaped shell 4 again.

Heat carrier 5 in the present embodiment also can adopt block conductive structure (as adopting the form of perfusion soft silica gel material), its ring enclose metal circuit board 2 around, leave the space in the zone of great power LED 1 relatively.

Embodiment three

The embodiment three of screw shaped LED is as Fig. 5, shown in Figure 6, and different with embodiment two is, it also has collector lens 6, and collector lens 6 is installed in the open end of the inner chamber of screw shaped shell 4, and its position and great power LED 1 are suitable.Collector lens 6 can be inserted in the screw shaped shell 4, and both also can adopt and be threaded, and the light that collector lens 6 can make great power LED 1 send produces the effect that focuses on, and satisfies user's instructions for use.

The assembling process of present embodiment is as follows: great power LED 1 and power line 3 are soldered on the metal circuit board 2, again metal circuit board 2 is put in the screw shaped shell 4, power line 3 passes screw shaped shell 4, be connected by insulating thermal conductor 5 or other Heat Conduction Materials between metal circuit board 2 and the screw shaped shell 4, refill collector lens 6, so just be combined into screw shaped LED as Fig. 4.

As shown in Figure 7, the position that screw shaped LED is installed at needs is according to the size and the specification perforate of screw shaped shell 4 and make screw thread, the screw thread of installing hole 9a on the installation panel 9 and the screw thread of screw shaped shell 4 are complementary, and directly screw shaped LED are screwed in the installation panel 9.

As shown in Figure 8, the screw shaped LED of present embodiment can a plurality ofly use simultaneously, a plurality of screw shaped LED are installed in and form screw shaped LED light fixture on the light fixture cover 10, because screw shaped LED self has solved heat dissipation problem, can implement to transform to the light fixture that designs for conventional bulb at present like this, as at present just at widely used street lamp, Tunnel Lamp, outer pinup etc., they all use the conventional bulb of highly energy-consuming, if with bulb and light fixture is whole changes, can cause the significant wastage of material, also not environmental protection, and the screw shaped LED of employing present embodiment, only require the cover of original light fixture is changed, size according to original light fixture cover is made metal decking 10, because each screw shaped LED is a standard component, comprise normal brightness, like this can be according to the actual needs of brightness and on metal decking 10 according to the specification perforate of screw shaped shell 4 and make screw thread, the screw thread of installing hole and screw shaped shell 4 screw threads are complementary, screw shaped LED directly is screwed into installing hole, so just made LED light fixture cover, again screw shaped LED is electrically connected, then LED light fixture cover is fixed on the lamp housing of original light fixture, just made the LED light fixture, the heat of screw shaped LED more can directly be derived to the external world by metal decking 10, has further increased the service life and the security of great power LED.

Embodiment four

The embodiment four of screw shaped LED is as Fig. 9, shown in Figure 10, different with embodiment three is, it also has the installation detent mechanism, detent mechanism is installed to be threaded with screw shaped shell 4, this installation detent mechanism comprises cover 7 and retainer plate 8, and the inwall of the inwall of cover 7 and retainer plate 8 has the screw thread that matches with screw shaped shell 4 respectively.

The assembling process of present embodiment is as follows: great power LED 1 and power line 3 are soldered on the metal circuit board 2, again metal circuit board 2 is put in the screw shaped shell 4, power line 3 passes screw shaped shell 4, be connected by insulating thermal conductor 5 or other Heat Conduction Materials between metal circuit board 2 and the screw shaped shell 4, load onto collector lens 6, again cover 7 and retainer plate 8 are screwed into screw shaped shell 4, so just are combined into high-power screw shaped LED as the zone face lid of Fig. 8.

Present embodiment is equally also only required the cover of conventional lamp is changed, size according to former light fixture cover is made metal decking, can be according to the actual needs of brightness and on metal decking according to the specification perforate (quantity of perforate is consistent with the quantity of the screw shaped LED of required installation) of screw shaped shell, as shown in figure 11, on the installation panel 9 of needs installation screw shaped LED, leave installing hole 9a, then screw shaped LED is directly filled in the installing hole 9a, as shown in figure 12, again retainer plate 8 is screwed into screw shaped shell 4, be pressed on the installing plate 9 up to screw shaped LED zone face lid 7, just made LED light fixture cover, again screw shaped LED is electrically connected, then this light fixture cover is fixed on the lamp housing of former light fixture, has just made the LED light fixture; The heat that screw shaped LED produces more can directly be derived to the external world by metal decking 9, has further increased the service life and the security of great power LED.

In a word, the utility model has exemplified above-mentioned preferred implementation, but should illustrate that those skilled in the art can carry out various variations and remodeling.Therefore, unless such variation and remodeling have departed from scope of the present utility model, otherwise all should be included in the protection domain of the present utility model.

Claims

1. screw shaped LED, it is characterized in that: comprise great power LED (1), metal circuit board (2), power line (3) and screw shaped shell (4), described great power LED (1) and metal circuit board (2) all are arranged in the described screw shaped shell (4), wherein great power LED (1) is fixed on the metal circuit board (2) and with metal circuit board (2) and is electrically connected, and power line (3) is electrically connected and passes described screw shaped shell (4) with metal circuit board (2).

2. a kind of screw shaped LED according to claim 1, it is characterized in that: described screw shaped shell (4) is for having externally threaded tubular construction, screw shaped shell (4) inside has end sealing, the unlimited inner chamber of the other end, and described great power LED (1) and metal circuit board (2) all are positioned at the inner chamber of described screw shaped shell (4).

3. a kind of screw shaped LED according to claim 2, it is characterized in that: also have heat carrier (5), described heat carrier (5) is positioned at described screw shaped shell (4), and its inwall with screw shaped shell (4) contacts, and contacts with described metal circuit board (2).

4. a kind of screw shaped LED according to claim 3 is characterized in that: described heat carrier (5) is the sheet conductive structure, and it is positioned between the bottom surface of described metal circuit board (2) and screw shaped shell (4), and closely contacts with both respectively.

5. a kind of screw shaped LED according to claim 3 is characterized in that: described heat carrier (5) is block conductive structure, its ring enclose described metal circuit board (2) around, and leave the space in the relative zone of great power LED (1).

6. according to claim 4 or 5 described a kind of screw shaped LED, it is characterized in that: the material of described heat carrier (5) is the heat conduction soft silica gel.

7. according to claim 1 or 3 described a kind of screw shaped LED, it is characterized in that: also have collector lens (6), described collector lens (6) is installed in the open end of the inner chamber of described screw shaped shell (4), and its position and described great power LED (1) are suitable.

8. a kind of screw shaped LED according to claim 7 is characterized in that: also have the installation detent mechanism, described installation detent mechanism is threaded with screw shaped shell (4).

9. a kind of screw shaped LED according to claim 8, it is characterized in that: described installation detent mechanism comprises cover (7) and retainer plate (8), and the inwall of the inwall of described cover (7) and retainer plate (8) has the screw thread that matches with screw shaped shell (4) respectively.

10. a kind of screw shaped LED according to claim 1 is characterized in that: described great power LED (1) is the LED of 1W, 3W, 5W or more high-power type.