CN103069216A - Led lamp - Google Patents
Led lamp Download PDFInfo
- Publication number
- CN103069216A CN103069216A CN2011800388789A CN201180038878A CN103069216A CN 103069216 A CN103069216 A CN 103069216A CN 2011800388789 A CN2011800388789 A CN 2011800388789A CN 201180038878 A CN201180038878 A CN 201180038878A CN 103069216 A CN103069216 A CN 103069216A
- Authority
- CN
- China
- Prior art keywords
- pcb
- circuit board
- printed circuit
- led lamp
- led
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/02—Arrangement of electric circuit elements in or on lighting devices the elements being transformers, impedances or power supply units, e.g. a transformer with a rectifier
- F21V23/026—Fastening of transformers or ballasts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/20—Light sources comprising attachment means
- F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/20—Light sources comprising attachment means
- F21K9/27—Retrofit light sources for lighting devices with two fittings for each light source, e.g. for substitution of fluorescent tubes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/71—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks using a combination of separate elements interconnected by heat-conducting means, e.g. with heat pipes or thermally conductive bars between separate heat-sink elements
- F21V29/713—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks using a combination of separate elements interconnected by heat-conducting means, e.g. with heat pipes or thermally conductive bars between separate heat-sink elements in direct thermal and mechanical contact of each other to form a single system
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/40—Details of LED load circuits
- H05B45/44—Details of LED load circuits with an active control inside an LED matrix
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
- F21V19/003—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources
- F21V19/004—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources by deformation of parts or snap action mountings, e.g. using clips
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Power Engineering (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention relates to an LED lamp having a converter and an arrangement, connected to the converter, of light-emitting diodes arranged on at least one printed circuit board. The converter is arranged in a multi-part, latchable housing which completely surrounds the converter and is made of electrically non-conductive material.
Description
Technical field
The present invention is based on a kind of LED lamp.In addition, the present invention relates to a kind of lighting apparatus that is equipped with this LED lamp.
Background technology
List of references GB2465966A discloses a kind of LED lamp (LED of tubulose, light emitting diode or device, radiative diode or equipment, be also referred to as light emitting diode), described LED lamp can be encased in as the replacing part of fluorescent lamp in the fluorescent lamp contact site or lamp socket of lighting apparatus.The LED light fixture has transparent pipe, and linear LED matrix is placed in the described transparent pipe.Although this structure provides good protection with respect to the part that is used for energising that contacts undesirably LED matrix, brings LED with respect to the thermal coupling of the difference of surrounding environment thereupon, so that the cooling of infringement LED.The thermal coupling of this variation can cause the operating temperature that raises, and then causes the lower optical efficiency of LED and the shortening in service life.Usually the LED lamp should have long service life and high light output, and described LED lamp is designed to the replacing part of conventional fluorescent lamp and is also referred to as fluorescent lamp repacking led module.The part that is used for energising of fluorescent lamp repacking led module should be configured to contact protection section with insulating, but wherein insulation division can make LED with respect to the thermal coupling variation of surrounding environment, and this damages service life simultaneously.
Summary of the invention
The purpose of this invention is to provide a kind of LED lamp, described LED lamp is characterised in that good contact protection and high efficient.
Described purpose realizes by the feature of claim 1.
Draw in the dependent claims especially favourable design.
In addition, by the invention provides a kind of LED lighting apparatus, described LED lighting apparatus has the LED lamp with this design.
Can and be characterised in that high efficient and low thermic load as fluorescent lamp repacking led module according to LED lamp of the present invention.In addition, described LED lamp provides good contact protection for the part that is used for energising.
The efficient take lumens/watt as unit of this system is high and especially is better than the efficient of the fluorescent lamp that will substitute, wherein also guarantees simultaneously high service life.Do not need special-purpose converter, for example have the voltage changer of the extremely low output voltage (SELV, Safe Extra Low Voltage, SELV) less than 50V, the efficient of described converter is normally inadequate.
Surround fully in housing converter, that made by electrically non-conductive material by converter is arranged on, realize especially safe device, because get rid of safely the energising part of contact transformation device.
Advantageously, housing constitute two-piece type and two housing parts mutually lock.Thus, can be incorporated into simply converter in the housing and seal described housing.Locking can not easily be removed, and especially can not have specific purpose tool, the application of force and/or destroy in the situation of housing and remove especially, makes further thus that to approach the part that is used for energising more difficult.
Suitably, housing design become to be used for holding from the outstanding LED printed circuit board (PCB) of described housing and to have protuberance, and the spring contact section that described protuberance will be used for switching on, be connected with converter flexibly be pressed to the LED printed circuit board (PCB).Thus, can realize the simple contact of LED printed circuit board (PCB), described contact realizes covering well the LED printed circuit board (PCB) and the part that is used for energising driver simultaneously.
By formation have constitute alternatively the lock hook form, be used for the housing with the sticking department of cooling body locking, realize installing simply the reliable mechanical connection between lamp and housing and the cooling body.This is particular importance, because common LED printed circuit board (PCB) is arranged on the cooling body, and guarantees by the reliable mechanical connection between cooling body and the housing: the part that is used for energising that can not by mistake contact the LED printed circuit board (PCB).
Suitably in addition be, be provided with at least two LED printed circuit board (PCB)s, described at least two LED printed circuit board (PCB)s preferably can be connected to each other by means of socket connection.Thus, also can make simply larger LED lamp, for described larger LED lamp, can not or only can enough large single printed circuit board (PCB)s that expends the enough size and shapes of manufacturing.For example is connected relatively with the line of welding, socket connection also provides especially good protection to prevent from contacting the part for switching on.
Especially favourable form of implementation is at least one the LED lamp that has in the following characteristics:
Converter has booster converter or buck converter,
The LED lamp constitutes the repacking module as the replacing part of fluorescent lamp,
Be provided with for two interconnective safeties of terminal with the LED lamp, described safeties are preferably as the replacing part of the starter of fluorescent lamp,
Two terminals (14,15) of LED lamp interconnect by short-circuit conductors (13).
This converter is especially efficient.Can use especially simply the LED lamp that constitutes for the repacking module of replace fluorescent lamps, because can continue thus to use the existing lighting apparatus for fluorescent lamp.The lamp that is used for described lighting apparatus must satisfy the specific (special) requirements of security, so that the present invention is especially advantageously used in described lamp.Safeties are used for avoiding damaging LED lamp or harm user's dangerous high electric current.If substitute starter with described safeties, realize so especially simple structure and in the situation that safeties damage, can change it simply.
Having the par section and have alternatively cross section by cooling body is that semicircular outer portion part is to be used for effectively heat radiation, wherein the LED printed circuit board (PCB) flexibly is pressed on the par section of cooling body, is implemented in especially good heat transmission and simultaneously the LED printed circuit board (PCB) is fixed on the cooling body especially simply.In addition, avoid damaging printed circuit board (PCB) by flexible compression, this is for example owing to consider to expect with contacting from the security aspect of conduction cooling body for the assembly of energising.The outer portion part of semicircle is realized the moulding similar to conventional fluorescent lamp.
Advantageously, between par section and LED printed circuit board (PCB), be provided with insulation film.Therefore, LED printed circuit board (PCB) and cooling body are electrically insulated from each other, and this improves security especially in the following manner, namely avoid reliably applying the voltage that can cause danger when being contacted by the user at cooling body.
Equally advantageously, by the Fastener of being made by electrically non-conductive material the LED printed circuit board (PCB) flexibly is pressed on the section of par.This realizes the fixing LED printed circuit board (PCB) reliably with simple mechanism, wherein further improves security by the insulation characterisitic of Fastener, because therefore protect the zone that is covered by Fastener of printed circuit board (PCB) not to be touched.So especially advantageously, make described Fastener cover the major part of LED printed circuit board (PCB), especially cover almost whole surface, for example by only vacating the radiation outgoing plane of LED, perhaps by using the transparent Fastener Fastener Fastener that also can hide LED.
When in the groove that the LED printed circuit board (PCB) is encased in cooling body and when Fastener being remained in the depressed part of cooling body, realize especially simple structure.This especially realizes the contact protection of the seamed edge of printed circuit board (PCB) and keeps reliably Fastener and then the especially safe structure of realization LED lamp.The groove that is used for fixing LED printed circuit board (PCB) by cooling body constitutes the depressed part for the fixing Fastener simultaneously, realizes having the especially simple structure of high contact protection.
By electric component and electronic building brick being arranged on the printed circuit board (PCB) so that described electric component and electronic building brick apart from the distance at the edge of printed circuit board (PCB) greater than 6mm, equally also improved security, because can guarantee needed creep age distance and clearance thus.
Suitably, light emitting diode series connection and Zener diode and each light emitting diode inverse parallel.Can be with high supply voltage operation LED by series circuit, this raises the efficiency.Zener diode prevention whole lamp when a LED fault breaks down, and must not improve thus the replacing of danger, because especially high for danger of the part of energising in this contact.
Described purpose realizes by a kind of LED lighting apparatus that equally also described LED lighting apparatus has the safeties according to LED lamp of the present invention and the choke coil of connecting with converter alternatively and/or alternative starter.Having can be according to moving especially safely and economically for the known advantage of LED lamp according to the LED lighting apparatus of LED lamp of the present invention.Installation and the replacing of safeties simplified in the location of safeties in lighting apparatus.The space in the LED lamp is saved in the location of choke coil and/or safeties, and described LED lamp for example can hold more light emitting diode thus.From the security aspect, this device also is favourable, because can limit whereby the electric current that flows in the lighting apparatus.
Especially according to the present invention, a kind of is favourable for detection of the aging method of LED lamp, wherein measures the voltage that falls on light-emitting diode assembly, and releases the ageing state of LED lamp from measurement result.Avoid equally thus carrying out unnecessary and relevant with security risks too early replacing to lamp, for example came to move for a long time with the brightness that reduces, this equally also can mean the danger in the zone that will illuminate.
Suitably, with measured voltage and reference value compares and determine from comparative result whether the LED lamp reaches its service life.This is especially simple method.
According to an aspect of the present invention, especially when the Fastener with electric insulation is arranged on the upside of LED printed circuit board (PCB) and be arranged on insulation film between LED printed circuit board (PCB) and the cooling body, following structure is proposed, described structure is realized insulation that double and/or enhancing simply for the part that is used for energising, and improves simultaneously thermal coupling and then improve the LED lamp and the cooling of its light emitting diode.Can implement simply described structure, so that almost can cancel wiring and/or the wiring that all expends.Can with multiple possible converter topology design this constructional design and for example until 500V or the higher working voltage on the side of LED terminal drive.
Can select corresponding transducer type according to the fluorescent lamp type that will substitute aspect the systematic function that realizes the best, wherein for example, for should selecting booster converter (Boost Converter) for the long module of replace fluorescent lamps L58W, and for example for for example for for the short lamp of L18W module, can use buck converter (Buck Converter).
Usually, the high efficiency that the invention is characterized in system will be separated with the Partial security ground that can contact for the part of energising with allowing.The installation of extremely simply saving cost is possible, wherein can (passive transducer SELV) irrespectively uses the present invention for buck converter, booster converter with corresponding converter topology.Embodiment allows the heat radiation on the high calorifics, and described heat radiation is better than the heat radiation of the led module in the glass cell-shell, wherein realizes simultaneously the service life of the raising of LED lamp.In addition, for example with the glass cell-shell in led module compare the security that is improved, wherein said glass cell-shell has the danger of glass breakage or tracheal rupture and can contact subsequently the danger of part for energising.
For example can be as the fluorescent lamp repacking led module of safe class SKII according to LED lamp of the present invention.
According to a further aspect in the invention, be provided for detecting the aging method of LED lamp.At this, measure the voltage that falls on light-emitting diode assembly, and from measurement result, release the ageing state of LED lamp.For aging and then to the expected remaining life of LED lamp or to reaching service life, measured, ageing-related, and voltage drop is good index.At this, measured voltage and reference value can be compared, and from comparative result, determine, whether the LED lamp reaches or is about to reach its service life.Can automatically carry out measurement, comparison and the assessment of voltage drop.As an alternative or additionally, also can measure the light intensity that in the situation of normal feed, generated by the LED lamp and compare with reduced value.(very fast) that can identify service life from voltage drop and/or under light intensity drops to reduced value reaches.
Description of drawings
Below can illustrate in detail the present invention according to embodiment.Illustrate:
Fig. 1 illustrates the schematic diagram according to the embodiment of LED lamp of the present invention,
Fig. 2 illustrates the schematic diagram according to the embodiment of structure of the present invention of LED lamp,
Fig. 3 illustrates the embodiment with a plurality of LED printed circuit board (PCB)s,
Fig. 4 illustrates the cross section of embodiment in the lamp socket scope according to LED lamp of the present invention,
Fig. 5 illustrates a form of implementation that can be used in according to the printed circuit board (PCB) among the embodiment of LED lamp of the present invention, and
Fig. 6 illustrates an embodiment that can be used in according to the wiring in the LED lamp of the present invention.
The specific embodiment
Fig. 1 illustrates an embodiment according to LED lamp of the present invention (LED light lamp) 1, described LED lamp is suitable as the replacing part of conventional fluorescent lamp in the situation of not reequiping measure, and can be encased in and originally be designed in the contact device or lamp socket or lighting apparatus that holds the routine of the fluorescent lamp of L36W fluorescent lamp for example.Therefore, LED lamp 1 is repacking LED lamp in this embodiment, for example is L36W modified type LED lamp.
But will by in case of necessity also the series circuit that forms of cross-over connection or the choke coil 3 that removes and LED lamp 1 be connected between two power supply terminals 2,16 that can be connected on the public electric wire net.LED lamp 1 has contact site or lamp socket 4,5,14,15, and described contact site or lamp socket are equivalent to the contact site of the fluorescent lamp that will substitute or traditional device and the design of lamp socket.Contact site 4 is connected with choke coil 3, and contact site 14 is connected on the electrical network terminal 16.Contact site 4,5 is connected with converter 6, and described converter has in this embodiment with the booster converter of PFC (PFC, Power Factor Correction) and can generate for example output voltage of 400V to 500V.Converter 6 mechanically is permanently connected in knock-down mode with the supporting body that for example constitutes cooling body 7 or consist of with other forms.Cooling body 7 mechanically supports the printed circuit board (PCB) 9 that preferably constitutes the LED supporting body, is provided with light emitting diode (LED) 49 at described printed circuit board (PCB).Printed circuit board (PCB) 9 lies on the cooling body 7 and by clip 46(sees Fig. 4) keep.Converter 6 and printed circuit board (PCB) 9 electrically contact with to light emitting diode 49 feeds.The covering 8 of printing opacity is set on printed circuit board (PCB) 9, described covering can constitute disk, semicylinder or constitute cross section shown in Fig. 2 is circular or semicircular cover (seeing covering 40), and preferably is connected with cooling body 7 on two vertical sides.Be provided with housing 12 in another end that deviates from converter 6 printed circuit board (PCB) 9 and/or cooling body 7, described housing form electric bridge or LED lamp 1 housing a part and comprise short circuit line 13, described short circuit line is with contact site 14,15 short circuits.
Embodiment according to Fig. 1 can have for example 100 to 250, be 143 light emitting diode under concrete condition, described light emitting diode series connection.Therefore, embodiment is the LED repacking module with PFC as the replacing part of L36W fluorescent lamp, and described LED repacking module is characterised in that improved efficient and long service life.Do not need in this embodiment to connect up and simple driver is enough as converter 6.For example can on a side of printed circuit board (PCB) 9, the form with connector system design connection possibility.Light emitting diode 49 can be attached to for example on the cooling body of cooling body 7, so that hot spot (Hot Spots) do not occur simply by means of printed circuit board (PCB) 9.
An embodiment of the converter 6 shown in Fig. 1 shown in Figure 2.Structure according to Fig. 2 is characterised in that assembly can peg graft and/or lock, and this guarantees the security on the simplest installation and the high textural and electricity.Converter 6 is surrounded by the plastic casing 20 of two-piece type according to Fig. 2, and described plastic casing is comprised of two housing parts 20a, 20b that mutually lock, during described two housing parts can be inserted into each other.The housing parts 20a, the 20b that are made by plastics or other electrically non-conductive materials consist of clearance or creep age distance with respect to the part that is used for energising, make it possible to contact non-dangerously housing 20.Housing parts 20a and contact site 4,5 connect securely.
Be provided with converter printed circuit board (PCB) 21 in housing 20, described converter printed circuit board (PCB) is connected with contact site 4,5 conductively via wire 22.Be provided with the required electric component of converter at converter printed circuit board (PCB) 21, for example choke coil 23 or for example constitute the capacitor 24 of electrolytic condenser.Converter printed circuit board (PCB) 21 will convert corresponding output voltage to via contact site or terminal 4,5 input voltages of carrying, described output voltage as required and the quantity of light emitting diode to be powered can be below or above input voltage, and in lead-out terminal 25 outputs that are installed on the converter printed circuit board (PCB) 21.
Protuberance 27 is as engagement hook, and the contact spring (spring contacts) that described engagement hook will constitute the conduction of metal spring 29 is pressed onto on the LED printed circuit board (PCB) 35.Metal spring 29 is electrically connected and constitutes in the mode that illustrates with the lead-out terminal 25 of converter printed circuit board (PCB) 21 is crooked, is pressed on the LED printed circuit board (PCB) conductively and flexibly in the mode of stretching out downwards so that the protuberance 27 that described metal spring passes convex extends in inside and pass opening 28 with the bend of U-shaped.Metal spring 29 is pressed to enough contacts by protuberance 27 on section's section (contact-making surface) 9a of conduction of LED printed circuit board (PCB) 35, and wherein protuberance 27 guarantees metal spring 29 and surrounding environment electric insulation simultaneously.
By means of Access Division 31, cover, namely housing parts 20b can clamping or is locked onto the cooling body 7(that is connected with described cover and see Fig. 1,4) in or in the corresponding depressed part 32 of described cooling body, so that do not need screw and realize completely electric insulation.
When mounted, simultaneously automatically to 35 power supplies of LED printed circuit board (PCB), make it possible to cancel the welding of metal wire by metal spring 29.
In the embodiment shown in Fig. 1,2, housing 20 or converter 6 are fixed and are remained on the cooling body 7 via one or more Access Divisions 32.Carrying lamp socket 14, another housing 12 of 15 also can be fixed and remain on the cooling body 7 via one or more Access Divisions.Cooling body 7 forms firmly and connects, and be connected and fixed and stablize two housings (housing parts) 20,12 by described, namely converter 6 and opposed lamp socket supporting body, so that fixing and stablize whole LED lamp module.LED printed circuit board (PCB) 35 does not extend in the housing 12,20 in described embodiment.
Realization shown in Figure 3 connects the embodiment of a plurality of LED printed circuit board (PCB)s.As long as should a plurality of LED printed circuit board (PCB)s be installed according to the light intensity of expectation, for reason machinery or the space or in order to realize that uniform Luminance Distribution just also can expect: light emitting diode is arranged on two or more printed circuit board (PCB)s.The connection of being connected with machinery of the electricity of two or more LED printed circuit board (PCB)s can realize by welding or in other mode, but preferably carry out in the mode of electric plug-in connection in according to the embodiment of Fig. 3.For this reason, LED printed circuit board (PCB) 35 has the plug 36 that is arranged on edge side, and described plug can join in the corresponding electrical socket 37 on the LED printed circuit board (PCB) 38.Therefore, LED printed circuit board (PCB) 35 and 38 can be electrically connected by moving together in a longitudinal direction mutually in simple mode.Otherwise also socket and plug can be arranged on the printed circuit board (PCB) 35,38.Two LED printed circuit board (PCB)s can be connected with other printed circuit board (PCB) equally in an identical manner, in order to the association that is comprised of three or more printed circuit board (PCB)s is provided.
The cross section that runs through the embodiment of LED lamp shown in Figure 4, described LED lamp for example can have the structure according to Fig. 1 to 3.Basically circular cross section is arranged and comprise according to the LED light fixture of Fig. 4: the LED printed circuit board (PCB) for example is according to Fig. 2,3 LED printed circuit board (PCB) 35 or according to the LED printed circuit board (PCB) 9 of Fig. 1; And substantial transparent ground or the dyeing of printing opacity ground, cross section is semicircular covering 40, described covering be equivalent to the covering 8 shown in Fig. 1 and can with on two sides that are installed in covering 40, fixing or preferably the locking projections section 41 of flexible hook-type join in the recess 42 that is used as the accommodation section to lock.Recess 42 is formed on the cooling body 7, so that guarantee the firmly mechanical connection between cooling body 7 and the covering 40.Cooling body 7 comprises that cross section is the outer skeleton 44 of semicircular or semiorbicular, good heat conductive, for example metal, preferred same good heat conductive, optional nonconducting frame section section 43 is connected with described outer skeleton.Frame section section 43 is connected securely with outer skeleton 44 and supports inwardly outstanding protuberance 42a, and described protuberance limits corresponding recess 42 between it.The section 42a of section 43,44 and possible 48 can single type ground, for example be fabricated to continuous casting section bar by aluminium or other metals or good thermal conductive material.
The Fastener 46 of being made by the electrically non-conductive material that is preferably plastics joins in the recess 42, described Fastener is pressed LED printed circuit board (PCB) 35 downwards in the mode of spring, yet so that LED printed circuit board (PCB) 35 the situation lower plane of the insulation film 47 that inserts nonconducting good heat conductive be pressed on the smooth plate shaped part section 48 of cooling body 7.This guarantee LED printed circuit board (PCB) 35 with cool off body section 48 and then and cooling body 7 between good heat conduction.Thus, by LED printed circuit board (PCB) 45 for example be the heat that produces of the LED of LED49 via cooling body 7 effectively to its outside derivation so that keep the running temperature of LED49 low, and guarantee thus high efficient and long service life.Cooling body 7 preferably is exposed to surrounding environment, so that heat can be derived to surrounding environment.LED printed circuit board (PCB) 35 for example can have the thickness of 0.8mm, and this guarantees effectively heat radiation.
Plastics Fastener 46 can have transverse to the drawing plane structure of elongation, but described plastics Fastener also can form along the Fastener that its longitudinal direction distributes on LED printed circuit board (PCB) 35 by each.
In addition, Fastener 46 can be bored a hole at the position that LED49 exists so that LED pass Fastener 46 towards the direction of covering 40 outstanding and guarantee towards the direction of covering 40 and pass the outside effective light output of described covering.Fastener 46 can also constitute in its side of pointing to covering 40 and reflect, thereby guarantees effective light output direction and that pass described covering towards covering 40, and also to keep in addition LED printed circuit board (PCB) 35 be sightless.
LED printed circuit board (PCB) 35 preferably remains in the space that forms between the downside of plate shape cooling body section 48 and protuberance 42a securely and for good and all, and for example can be incorporated into before connecting portion section 43,44 securely in the space under the protuberance 42a.
Temperature survey on the led module shows that the heat affecting of insulation film 47 is little, so that realize effective electric insulation by insulation film 47, and does not damage significantly from LED printed circuit board (PCB) 35 to cooling body heat transmission on 43,44,48 the calorifics.Have and do not have in the design of insulation film 47, temperature difference for example only is 2 ℃.
For example as can be seen from Fig. 4, led module is installed in this and also can be not carry out by means of the ancillary method of instrument, screw etc.Covering 40 can be connected in the cooling body.Fastener 46 can be clamped in the recess 42 after LED printed circuit board (PCB) 35 being incorporated under the protuberance 42a equally.Therefore, guarantee to install simply cheaply, and also guarantee the good protection that electrically contacts simultaneously, because all can not approach for the part of switching on.
The embodiment of the board design of printed circuit board (PCB) 35 is shown in the mode with contraction in length of signal in Fig. 5, and described embodiment provides the insulation that doubles or strengthen.Printed circuit board (PCB) Butut shown in Figure 5 voltage for the situation of 500V under clearance and/or creep age distance by 6mm at least the insulation that doubles or strengthen is provided.Printed circuit board (PCB) 35 is included in the upper section's section 50 that consists of in edge, its underpart (according to the description among Fig. 5), printed circuit board (PCB) 35 can be incorporated in the cooling body groove by means of described section, for example be groove shown in Figure 4, that consist of between the cooling body section 48 of the protuberance 42a of bottom and plate shape.
In addition, printed circuit board (PCB) 35 has section's section 51, and described section is wider than and is higher than 6mm and constitutes the part that does not have for energising.As can be seen from Fig. 5, section's section 51 is surrounded printed circuit board (PCB) 35 in the whole ring week of printed circuit board (PCB), that is to say also the left side of the rigging position shown in the Fig. 5 that is used for electric parts and assembly and right side and above encirclement printed circuit board (PCB) 35.
Be provided with at printed circuit board (PCB) 35: contact-making surface 52, be used for 0V and+the input voltage terminal of 500V; Contact-making surface 53 be used for to be installed resistors in series (Vorwiderstand) R1 of 100 Ω for example or other appropriate value; A plurality of connections or installed surface 54, be used for diode installed (LED1, LED2 ...); A plurality of installed surfaces 55, being used for installing antiparallel with each light emitting diode especially is the diode of Zener diode; The connection wire 56 of electricity and is connected wire 57, for will for light emitting diode and Zener diode according to the installed surface 54 shown in Fig. 5 right hand external, 55 with for for example+contact-making surface 52 of the input terminal of 500V is electrically connected.Each rigging position of the light emitting diode that is respectively applied to connect and Zener diode is alternatively with for example 6mm or larger spacing setting.The width of printed circuit board (PCB) 35 for example can have 20 to 25mm, for example 22.8mm or any other suitable numerical value.For example be used for for the rigging position of the electric parts of resistor, light emitting diode and Zener diode and electronic unit and for the contact-making surface of input terminal preferably with less than the width setting of 10mm, for example 7.7mm and extend beyond the determined length of quantity of the light emitting diode that will be provided with by each printed circuit board (PCB).Can realize printed circuit board (PCB) long and narrow, that prolong by described design, described printed circuit board (PCB) has extremely good insulating properties with respect to surrounding environment with the parts that contact with described printed circuit board (PCB).
The circuit diagram of the wiring of the printed circuit board (PCB) 35 shown in Fig. 5 shown in Figure 6.Circuit diagram shown in Fig. 6 is provided for led module according to other embodiments of the invention or above-mentioned design, described led module is equipped with for example 50 to 250, for example is 143 light emitting diodes 62 that at this described light emitting diode is connected with series resistance 61.Light emitting diode 62 is connected in series between input terminal 60a, the 60b with series resistance 61.Because when light emitting diode 62 fault whole series circuit become invalid, optionally, each light emitting diode comes cross-over connection by antiparallel Zener diode 63, owing to the voltage drop that then occurs at light emitting diode becomes conducting, and then invalid light emitting diode 62 is by cross-over connection in the situation of affiliated light emitting diode 62 faults (high-impedance state) for described Zener diode.Therefore, also to other, effective light emitting diode feed and generate light.Therefore, disabler only is confined to become invalid light emitting diode 62.In the embodiment according to Fig. 6, input terminal 60a, 60b are equivalent to the contact-making surface 52 according to Fig. 5.Resistor 61 is arranged on the rigging position 53 of Fig. 5, and light emitting diode 62 and Zener diode 63 are installed in the assembling or contact position 54 or 55 of Fig. 5.
According to an aspect of the present invention, for example also propose according to above-described embodiment a kind of for detection of the aging method of LED lamp.At this, measure fall on the device of light emitting diode 49 or 62, for example voltage on input terminal 60a, 60b falls, and from measurement result, release the ageing state of LED lamp.At this, measured voltage and reference value or threshold value can be compared, and from comparative result, release service life or the definite LED lamp that still can expect and whether reach its service life.This can automatically carry out by control device, wherein can generate corresponding alarm signal when reaching service life.
All features above-described and illustrated in the accompanying drawings can make up individually or with any combination mutually in mode arbitrarily, realize respectively thus independently embodiment of the present invention.Also have within the scope of the invention the corresponding method that is used for mounted LED lamp, wherein all parts can be to be plugged in together in the mode shown in Fig. 1 to 6 or to be installed together in the situation that does not need screw.
Claims (15)
1.LED lamp (1), have converter (6) and the light-emitting diode assembly (8 that is connected with described converter, 35,49), described light-emitting diode assembly is arranged at least one printed circuit board (PCB) (9,35,38), it is characterized in that, described converter (6) be arranged on made by electrically non-conductive material, fully surround in the housing (20) of described converter (6).
2. LED lamp according to claim 1 is characterized in that, described housing (20) constitute be two-piece type and two housing parts mutually lock.
3. LED lamp according to claim 1 and 2, it is characterized in that, described housing (20) is designed for and holds from the outstanding LED printed circuit board (PCB) (35) of described housing (20), and described housing has protuberance, and described protuberance will flexibly be pressed to described LED printed circuit board (PCB) (35) for spring contact section (29) energising, that be connected with described converter (6).
4. LED lamp according to claim 3 is characterized in that, that described housing (20) is configured with alternatively is that form with lock hook (32) consists of, be used for the locking piece with cooling body (7) locking.
5. according to the described LED lamp of one of the claims, it is characterized in that, be provided with at least two LED printed circuit board (PCB)s (35,38), described at least two LED printed circuit board (PCB)s (35,38) can preferably be electrically connected by means of connector (36,37) mutually.
6. according to the described LED lamp of one of the claims, described LED light fixture has at least one in the following characteristics:
Described converter (6) has booster converter or buck converter,
Described LED lamp constitutes the repacking module as the replacing part of fluorescent lamp,
Be provided with for the interconnective safeties of two terminals (5,15) (11) with described LED lamp, described safeties are preferably as the replacing part of the starter of fluorescent lamp,
Two terminals (14,15) of described LED lamp interconnect by short-circuit conductors (13).
7. according to the described LED lamp of one of the claims, it is characterized in that, be provided with cooling body (43,44,48), described cooling body has par section (48) and has alternatively cross section is semicircular outer portion part to be used for effectively heat radiation, wherein said LED printed circuit board (PCB) (9,35,38) flexibly be pressed on the described par section (48) of described cooling body.
8. according to the described LED lamp of one of the claims, it is characterized in that, between described par section (48) and described LED printed circuit board (PCB) (9,35,38), be provided with insulation film (47).
9. according to the described LED lamp of one of the claims, it is characterized in that described LED printed circuit board (PCB) (9,35,38) flexibly is pressed on the described par section (48) by the Fastener (46) of being made by electrically non-conductive material.
10. LED lamp according to claim 7 is characterized in that, described LED printed circuit board (PCB) is encased in the groove of described cooling body, and described Fastener (46) remains in the depressed part of described cooling body.
11. according to the described LED lamp of one of the claims, it is characterized in that electric component and electronic building brick are arranged on printed circuit board (PCB) (9,35,38) on, so that described electric component and electronic building brick have spacing greater than 6mm with respect to the edge of described printed circuit board (PCB).
12. according to the described LED lamp of one of the claims, it is characterized in that, described light emitting diode (62) be series connection and Zener diode (63) and each light emitting diode (62) inverse parallel.
13.LED lighting apparatus has according to the described LED lamp of one of the claims and has alternatively the choke coil (3) of connecting with converter (6) and/or the safeties (11) of alternative starter.
14. for detection of the LED lamp, especially according to claim 1 to the aging method of one of 10 described LED lamps, wherein measure the voltage that falls on light-emitting diode assembly, and the ageing state of from measurement result, releasing described LED lamp.
15. method according to claim 12 wherein compares measured voltage and reference value, and determines from comparative result whether described LED lamp reaches its service life.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102010039012.7A DE102010039012B4 (en) | 2010-08-06 | 2010-08-06 | 2LED lamp |
| DE102010039012.7 | 2010-08-06 | ||
| PCT/EP2011/062763 WO2012016877A2 (en) | 2010-08-06 | 2011-07-25 | Led lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103069216A true CN103069216A (en) | 2013-04-24 |
| CN103069216B CN103069216B (en) | 2016-03-16 |
Family
ID=44630242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180038878.9A Active CN103069216B (en) | 2010-08-06 | 2011-07-25 | Led |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN103069216B (en) |
| DE (1) | DE102010039012B4 (en) |
| WO (1) | WO2012016877A2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105659022A (en) * | 2013-07-15 | 2016-06-08 | 伊顿保护系统Ip有限两合公司 | Led module |
| WO2021115369A1 (en) * | 2019-12-12 | 2021-06-17 | 法雷奥汽车空调湖北有限公司 | Control box and fan assembly |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM438603U (en) * | 2012-05-24 | 2012-10-01 | Justing Tech Taiwan Pte Ltd | Improved lamp casing structure |
| DE102012210196A1 (en) * | 2012-06-18 | 2013-12-19 | Osram Gmbh | Exchangeable light system, has holder including device for fixing light generator and connected with heat sink or lamp, printed circuit board directly connected with heat sink in area by area, and illuminant arranged on board |
| DE202012104830U1 (en) * | 2012-12-12 | 2014-03-13 | Zumtobel Lighting Gmbh | Housing for receiving electrical or electronic components |
| DE202013100401U1 (en) * | 2013-01-29 | 2013-03-14 | Hella Kgaa Hueck & Co. | Lighting device and mounting arrangement for the lighting device |
| DE102013206728A1 (en) * | 2013-04-15 | 2014-11-06 | Osram Gmbh | lighting system |
| DE102013008067A1 (en) * | 2013-05-10 | 2014-11-13 | Diehl Aerospace Gmbh | lighting device |
| AT515191A1 (en) * | 2013-12-11 | 2015-06-15 | Siemens Ag Oesterreich | lighting system |
| DE102014225486A1 (en) * | 2014-12-10 | 2016-06-16 | Osram Gmbh | Lamp with driver board and socket |
| DE102015120551B4 (en) * | 2015-11-26 | 2017-08-03 | Siteco Beleuchtungstechnik Gmbh | Device and method for determining an aging information of an LED module |
| DE102018109216A1 (en) * | 2018-04-18 | 2019-10-24 | Ledvance Gmbh | LED module, LED bulb and method of making the same |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6462475B1 (en) * | 2001-05-31 | 2002-10-08 | Han-Ming Lee | Power saving environment protection bulb |
| CN1536543A (en) * | 2003-04-03 | 2004-10-13 | ��ʽ����ѿܢ | Luminous diode assembly for lighting label |
| CN201318580Y (en) * | 2009-04-15 | 2009-09-30 | 深圳市丰泰晶电子科技有限公司 | LED fluorescent tube |
| GB2465966A (en) * | 2008-11-28 | 2010-06-09 | Excled Ltd | Light emitting diode tube lamp |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7488086B2 (en) | 2006-04-05 | 2009-02-10 | Leotek Electronics Corporation | Retrofitting of fluorescent tubes with light-emitting diode (LED) modules for various signs and lighting applications |
| TWM382423U (en) | 2009-12-31 | 2010-06-11 | Green Power Led Corp | Tube-less LED fluorescent lamp |
-
2010
- 2010-08-06 DE DE102010039012.7A patent/DE102010039012B4/en active Active
-
2011
- 2011-07-25 CN CN201180038878.9A patent/CN103069216B/en active Active
- 2011-07-25 WO PCT/EP2011/062763 patent/WO2012016877A2/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6462475B1 (en) * | 2001-05-31 | 2002-10-08 | Han-Ming Lee | Power saving environment protection bulb |
| CN1536543A (en) * | 2003-04-03 | 2004-10-13 | ��ʽ����ѿܢ | Luminous diode assembly for lighting label |
| GB2465966A (en) * | 2008-11-28 | 2010-06-09 | Excled Ltd | Light emitting diode tube lamp |
| CN201318580Y (en) * | 2009-04-15 | 2009-09-30 | 深圳市丰泰晶电子科技有限公司 | LED fluorescent tube |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105659022A (en) * | 2013-07-15 | 2016-06-08 | 伊顿保护系统Ip有限两合公司 | Led module |
| WO2021115369A1 (en) * | 2019-12-12 | 2021-06-17 | 法雷奥汽车空调湖北有限公司 | Control box and fan assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103069216B (en) | 2016-03-16 |
| DE102010039012A1 (en) | 2012-05-10 |
| WO2012016877A2 (en) | 2012-02-09 |
| DE102010039012B4 (en) | 2021-09-23 |
| WO2012016877A3 (en) | 2012-04-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103069216A (en) | Led lamp | |
| US8147091B2 (en) | Linear solid-state lighting with shock protection switches | |
| US8979299B2 (en) | Linear solid-state lighting with readily retrofittable modular structure | |
| JP6133500B2 (en) | LED replacement lamp for safe operation with electromagnetic ballast | |
| JP5571791B2 (en) | LED bulb | |
| US8475001B2 (en) | Lamp and light emitting diode tube thereof | |
| WO2011014111A1 (en) | Lighting system | |
| CN103403445A (en) | Light-emitting device with spring-loaded LED-holder | |
| CN103703314A (en) | Modular lighting assembly adapter part | |
| CN101308836B (en) | Light emitting diode, light emitting diode component and llight emitting diode lamp string | |
| CN101956905B (en) | Lamp and LED lamp tube thereof | |
| KR20160125911A (en) | LED lighting apparatus for providing intuitive maintenance function and safe lighting function | |
| US9000672B2 (en) | Connector with surge protection structure | |
| WO2013128385A1 (en) | Led lighting device and led lighting arrangement | |
| WO2012143871A1 (en) | Surge protection device | |
| CN102742361B (en) | Lamp | |
| JP5136858B2 (en) | Lighting device | |
| AU2014292490B2 (en) | Lighting device | |
| CN211792129U (en) | Light emitting device | |
| CN207921786U (en) | A kind of novel horizontal plug lamp | |
| KR20160071545A (en) | Lighting apparatus using pn junction light emitting means | |
| EP2402644A1 (en) | Functional accommodation unit for light emitting diodes | |
| WO2012031413A1 (en) | Wiring method of light emitting diode (led) tube and led tube | |
| TW201425808A (en) | Solid-state lighting tube assembly | |
| EP2157835A2 (en) | Illumination device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Munich, Germany Patentee after: Osram GMBH Address before: Munich, Germany Patentee before: Osram Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181218 Address after: Munich, Germany Patentee after: Landes Vance Address before: Munich, Germany Patentee before: Osram GMBH |