CN201281255Y - LED combination - Google Patents
LED combination Download PDFInfo
- Publication number
- CN201281255Y CN201281255Y CNU2008203020098U CN200820302009U CN201281255Y CN 201281255 Y CN201281255 Y CN 201281255Y CN U2008203020098 U CNU2008203020098 U CN U2008203020098U CN 200820302009 U CN200820302009 U CN 200820302009U CN 201281255 Y CN201281255 Y CN 201281255Y
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- China
- Prior art keywords
- emitting diode
- light emitting
- circuit board
- fixture
- metal plate
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Abstract
Disclosed is a light-emitting diode combination, which comprises a light-emitting diode module, a grounded support body and a conductive fixing device for fixing the light-emitting diode module on the support body, the light-emitting diode module comprises a circuit board and a plurality of light-emitting diodes disposed on the circuit board, and the circuit board comprises a metal plate body and an insulating layer, one end of the fixing device penetrates into the support body, and the other end of the fixing device penetrates through the insulating layer of the circuit board and butts against the metal plate body. The light-emitting diode combination adopts the fixing device to connect the insulating layer of the circuit board to the grounded support body, and can prevent electrostatic accumulation and effectively lead leakage current, thereby ensuring the safety of the light-emitting diodes.
Description
Technical field
The utility model relates to a kind of light emitting diode combined, but is meant a kind of light emitting diode combined of antistatic especially.
Background technology
As a kind of emerging light source, light emitting diode relies on advantages such as its luminous efficiency height, volume are little, in light weight, environmental protection, has been widely applied in the middle of each current lighting field, and the trend that replaces conventional light source is arranged greatly.Because the brightness of single light emitting diode is limited, for the light intensity that makes generation reaches lighting requirement, all integrated light emitting diode in a large number in present the general led lamp.In led lamp, the light emitting diode of these One's name is legions is integrated into respectively forms the polylith light emitting diode module on the some circuit boards, these light emitting diode module are fixed in the lamp housing jointly by bracing frame again, to constitute the light source of led lamp.
Because the heat that is produced during light emitting diode work can have influence on its luminous efficiency, cause the emitting brightness of led lamp to reduce, for as much as possible these heats being distributed apace, the circuit board of light emitting diode module generally adopts metallic plate to make, to rely on its good heat transfer ability that the heat of light emitting diode is transferred on the lamp housing by bracing frame, and then be distributed in the middle of the ambient air, thereby guarantee the normal operation of light emitting diode by lamp housing.
Influence being electrically connected between itself and light emitting diode for the conductive capability that makes circuit board is unlikely, circuit board is used to install on the surface of light emitting diode and forms one first insulating barrier, a conductive layer and one second insulating barrier successively its metallic plate.The pin of light emitting diode is connected with conductive layer and is separated by the metallic plate of first and second insulating barrier and the external world and circuit board, thereby the electric current that enters light emitting diode module can be imported in the light emitting diode uninterruptedly, drives lumination of light emitting diode.
For light emitting diode module is fixed on the bracing frame, the general practice of industry is that some screws that have plastic washers are passed the circuit board of light emitting diode module at present, make it screw lock on bracing frame, thereby light emitting diode module is closely contacted with bracing frame.Yet this kind fixed form bring huge hidden danger can for the running of led lamp: led lamp is in transportation or standing under the situation of high voltage test, very easily produces static on second surface of insulating layer of its circuit board.But because the insulated barriers of Screw gasket, these static can't be dredged to lamp housing by screw or other approach, to such an extent as to be deposited in second surface of insulating layer gradually.When these accumulation of static electricity to a certain degree the time, just be easy to generate the instantaneous discharge phenomenon, cause great electric current transient flow through light emitting diode, cause the damage of light emitting diode.In addition, led lamp also is easy to generate leaky under the situation of Hi-pot test, owing to there is not other the approach of dredging, this kind leakage current can only conduct by light emitting diode, causes light emitting diode to have breakdown danger.
The utility model content
In view of this, be necessary to provide a kind of effectively light emitting diode combined of conduct static in fact.
A kind of light emitting diode combined, the supporter and one that comprises a light emitting diode module, a ground connection is fixed in the fixture of the conduction on the supporter with light emitting diode module, this light emitting diode module comprises a circuit board and some light emitting diodes that is installed on the circuit board, this circuit board comprises a metal plate and an insulating barrier, one end of this fixture penetrates in the supporter, and the other end of this fixture passes the insulating barrier of circuit board and is connected to metal plate.
Compared with prior art, the other end of the fixture of light emitting diode combined of the present utility model passes the insulating barrier of circuit board and electrically contacts with metal plate, it can be with at the static that produces on the insulating barrier or electric leakage is directly conducted on the supporter, or conduct on the supporter, and then dredge away via supporter by metal plate.Therefore, light emitting diode combined of the present utility model is stopped the accumulation of static, and dredges leakage current effectively, thereby guarantees the normal operation of light emitting diode.
With reference to the accompanying drawings, the utility model will be further described in conjunction with specific embodiments.
Description of drawings
Fig. 1 is the vertical view of the light emitting diode combined of first embodiment of the present utility model.
Fig. 2 is the profile of Fig. 1 along the II-II line, and this moment, two buckling devices of light emitting diode combined did not penetrate in circuit board and the supporter as yet.
Fig. 3 is similar to Fig. 2, and wherein supporter is removed and the one buckling device penetrates in the circuit board.
Fig. 4 is the cutaway view of the light emitting diode combined of the utility model second embodiment.
The specific embodiment
See also Fig. 1 and Fig. 2, show the light emitting diode combined of the utility model first embodiment.This light emitting diode combined comprises that the light emitting diode module 10 and two that a supporter 20, is installed on the supporter 20 is fixed in buckling device 30 on the supporter 20 with light emitting diode module 10.This supporter 20 is made by metal material, and it is used to carry light emitting diode module 10 and the heat that produces during with light emitting diode module 10 work is distributed in the middle of the ambient air.This supporter 20 is the structure of a rectangle in the shown figure of the utility model, is appreciated that ground, and it also can be changed to the structure of other arbitrary shapes, to adapt to the demand of variety classes light fixture.Even say, supporter 20 of the present utility model not only is confined to supporting role, it can also have other purposes concurrently, as be varied to arch with as the lamp casing of accommodating light emitting diode module 10, or being varied to taper penetrates with different angles with the light of a plurality of light emitting diode module 10 that will be mounted thereon.This supporter 20 is by lead or other mode ground connection, the static of light emitting diode module 10 is dredged in greatly.
This light emitting diode module 10 comprises a circuit board 12 and some light emitting diodes 14 that is installed on this circuit board 12.This circuit board 12 comprises the metal plate 120 of a rectangle and is formed at one first insulating barrier 122 of plate body 120 upper surfaces, a conductive layer (figure does not show) and one second insulating barrier 124 successively.The thickness of this metal plate 120 is 1.5mm, and the gross thickness of this first insulating barrier 122, conductive layer and second insulating barrier 124 is 0.1mm.The pin of light emitting diode 14 (figure does not show) is connected on the conductive layer of circuit board 12, inputing in the light emitting diode 14 from the electric current that circuit board 12 enters.First insulating barrier 122 and second insulating barrier 124 are respectively applied for conductive layer are separated with the plate body 120 and the external world, and the electric current of the circuit board 12 that prevents to flow through is subjected to external interference.Two perforation 126 vertically run through circuit board 12, pass for two buckling devices 30.Influence the transmission of electric current in circuit board 12 for preventing that conductive layer and buckling device 30 from electrically conducting, conductive layer has been avoided two perforation 126 on being layed in first insulating barrier 122 time, that is to say, near the position two perforation 126, first insulating barrier 122 directly contacts with second insulating barrier 124.Therefore, along in the profile 2 of the II-II line of Fig. 1 first insulating barrier 122 and second insulating barrier 124 only being shown.In addition, owing to interconnective first insulating barrier 122 and second insulating barrier 124 all play insulating effect at the hatching line place of II-II, the two function essence is identical, therefore can be considered as a thicker insulating barrier jointly.
Above-mentioned two buckling devices 30 pass circuit board 12 and light emitting diode module 10 are locked on the supporter 20.In first embodiment of the present utility model, this buckling device 30 is band tooth screw 30.This kind screw 30 has the head identical with conventional screw 32, downward extended bar the portion 34 and two interleaved grooves 38 of being located at head 32 end faces from head 32 bottom surfaces.Different is that head 32 bottom surfaces of this screw 30 are around protruding out plurality of teeth portion 36 in the zone of bar portion 34 downwards with traditional screw.Each tooth portion 36 is taper configurations wide at the top and narrow at the bottom, and first and second insulating barrier 122,124 of its circuit board 12 that is used to swipe is with the metal plate 120 that exposes circuit board 12.
See also Fig. 3, when assembling this light emitting diode combined, at first two-screw 30 is passed two perforation 126 of circuit board 12, make the end of its bar portion 34 be positioned at supporter 20 tops that default in circuit board 12 belows.Screw two-screw 30 then downwards, the end of bar portion 34 is penetrated downwards in the supporter 20, head 32 also rotated and approached gradually second insulating barrier 124 of circuit board 12 this moment.When screw 30 rotates to a certain position and when making the end of its tooth portion 36 be resisted against the end face of second insulating barrier 124, continues to screw screw 30 downwards, make its tooth portion 36 scraping second insulating barrier 124 and first insulating barriers 122.Against till the end face of plate body 120, just finish operation until the tooth portion 36 of screw 30 to screw 30.Bar portion 34 ends of screw 30 were locked fully in the supporter 20 and light emitting diode module 10 were fixed on the supporter 20 this moment, the tooth portion 36 of screw 30 scrapes off corresponding first insulating barrier 122 and second insulating barrier 124 and form the groove (figure is mark) of an annular around each perforation 126, and head 32 parts of screw 30 are placed in the groove and protrude out outside the circuit board 12.
Compared with prior art, light emitting diode combined of the present utility model adopts band tooth screw 30 to scrape off the method for first and second insulating barrier 122,124 of circuit board 12, and the end face of second insulating barrier 124 is electrically conducted by screw 30 and metal plate 120 supporter 20 with ground connection.Thus, static that is produced at circuit board 12 second insulating barriers 124 end faces or electric leakage can conduct in the supporter 20 by screw 30 and metal plate 120, and then dredge in greatly, thereby prevent that light emitting diode 14 from damaging because of static discharge or electric leakage.
Be appreciated that ground, for the appropriate section of two insulating barriers 122,124 that make circuit board 12 can be removed clean, contact with the metal plate 120 of circuit board 12 fully with the head 32 of guaranteeing screw 30, can behind the end face of living metal plate 120, continue to screw screw 30 downwards in the tooth portion 36 of screw 30, make its tooth portion 36 scraping metal plates 120.The degree of depth of scraping depends on the size of operator's application of force, and is preferred, and for obtain a balance between the application of force size and the scraping degree of depth, the depth controlled of scraping metal plate 120 is built in about 0.2mm.
In addition, buckling device 30 of the present utility model also can be varied to the structure of the utility model second embodiment as shown in Figure 4, the difference of itself and first embodiment is the screw 30 of first embodiment is separated into two independent parts, promptly adopts traditional screw (figure is mark) to combine with the metal gasket ring 31a that has the 36a of tooth portion.Adopt the structure of buckling device 30a shown in Figure 4, can remove from traditional screw is processed casting, promptly do not need the head 32a or the 34a of bar portion of conventional screw are carried out any modification, only need the extra gasket ring 31a of manufacturing to get final product, make and adopt traditional screw also can reach the effect identical with first embodiment.
Claims (10)
- [claim 1] a kind of light emitting diode combined, the supporter and one that comprises a light emitting diode module, a ground connection is fixed in the fixture of the conduction on the supporter with light emitting diode module, this light emitting diode module comprises a circuit board and some light emitting diodes that is installed on the circuit board, this circuit board comprises a metal plate, a conductive layer and an insulating barrier, it is characterized in that: an end of this fixture penetrates in the supporter, and the other end of this fixture passes the insulating barrier of circuit board and is connected to metal plate.
- [claim 2] light emitting diode combined as claimed in claim 1 is characterized in that: this fixture comprises a head and from the extended bar of head portion, and this bar portion is arranged in the supporter.
- [claim 3] light emitting diode combined as claimed in claim 2 is characterized in that: this fixture also comprises some tooth portions around bar portion, and these tooth portions are connected to metal plate.
- [claim 4] light emitting diode combined as claimed in claim 3 is characterized in that: each tooth portion is tapered, and its sharp-pointed end contacts with metal plate.
- [claim 5] light emitting diode combined as claimed in claim 3 is characterized in that: these tooth portions are formed on the head of fixture.
- [claim 6] light emitting diode combined as claimed in claim 3 is characterized in that: this fixture comprises that also one is sheathed on the gasket ring in the bar portion, and these tooth portions are formed on this gasket ring.
- [claim 7] light emitting diode combined as claimed in claim 6 is characterized in that: this gasket ring is located between the head and circuit board of fixture.
- [claim 8] light emitting diode combined as claimed in claim 1 is characterized in that: this fixture is a band tooth screw.
- [claim 9] light emitting diode combined as claimed in claim 1 is characterized in that: this fixture is one to be with the screw of band tooth gasket ring.
- [claim 10] light emitting diode combined as claimed in claim 1 is characterized in that: the other end of this fixture gos deep into the interior position apart from insulating barrier and metal plate interface 0.2mm of metal plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008203020098U CN201281255Y (en) | 2008-09-03 | 2008-09-03 | LED combination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008203020098U CN201281255Y (en) | 2008-09-03 | 2008-09-03 | LED combination |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201281255Y true CN201281255Y (en) | 2009-07-29 |
Family
ID=40928129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008203020098U Expired - Fee Related CN201281255Y (en) | 2008-09-03 | 2008-09-03 | LED combination |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201281255Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102162632A (en) * | 2010-01-18 | 2011-08-24 | 东芝照明技术株式会社 | Lighting apparatus |
| WO2012142979A1 (en) * | 2011-04-22 | 2012-10-26 | 浙江生辉照明有限公司 | Breakdown-prevention and protection method for led light source and led lamp |
| CN101660726B (en) * | 2008-08-29 | 2013-06-05 | 富准精密工业(深圳)有限公司 | Light emitting diode assembly |
-
2008
- 2008-09-03 CN CNU2008203020098U patent/CN201281255Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101660726B (en) * | 2008-08-29 | 2013-06-05 | 富准精密工业(深圳)有限公司 | Light emitting diode assembly |
| CN102162632A (en) * | 2010-01-18 | 2011-08-24 | 东芝照明技术株式会社 | Lighting apparatus |
| WO2012142979A1 (en) * | 2011-04-22 | 2012-10-26 | 浙江生辉照明有限公司 | Breakdown-prevention and protection method for led light source and led lamp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090729 Termination date: 20110903 |