EP2520135A1 - ELEKTRONIKGEHÄUSE FÜR EINE LAMPE, HALBLEITERLAMPE UND VERFAHREN ZUM VERGIEßEN EINES ELEKTRONIKGEHÄUSES FÜR EINE LAMPE - Google Patents
ELEKTRONIKGEHÄUSE FÜR EINE LAMPE, HALBLEITERLAMPE UND VERFAHREN ZUM VERGIEßEN EINES ELEKTRONIKGEHÄUSES FÜR EINE LAMPEInfo
- Publication number
- EP2520135A1 EP2520135A1 EP11721009A EP11721009A EP2520135A1 EP 2520135 A1 EP2520135 A1 EP 2520135A1 EP 11721009 A EP11721009 A EP 11721009A EP 11721009 A EP11721009 A EP 11721009A EP 2520135 A1 EP2520135 A1 EP 2520135A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- electronics housing
- housing
- electronics
- channel
- receiving space
- 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.)
- Withdrawn
Links
- 238000005266 casting Methods 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 14
- 239000004065 semiconductor Substances 0.000 title description 17
- 239000000463 material Substances 0.000 claims abstract description 32
- 238000004382 potting Methods 0.000 claims description 41
- 238000005516 engineering process Methods 0.000 claims description 16
- 230000035515 penetration Effects 0.000 claims description 5
- 230000004308 accommodation Effects 0.000 claims description 2
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 description 5
- 235000011837 pasties Nutrition 0.000 description 5
- 238000005538 encapsulation Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 241000282941 Rangifer tarandus Species 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 239000012778 molding material Substances 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 241000283011 Rangifer Species 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000000742 single-metal deposition Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
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
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/85—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems characterised by the material
- F21V29/87—Organic material, e.g. filled polymer composites; Thermo-conductive additives or coatings therefor
-
- 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
- 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
- F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
- F21V29/508—Cooling arrangements characterised by the adaptation for cooling of specific components of electrical circuits
-
- 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
- F21K9/238—Arrangement or mounting of circuit elements integrated in the light source
-
- 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
- F21V23/001—Arrangement of electric circuit elements in or on lighting devices the elements being electrical wires or cables
- F21V23/002—Arrangements of cables or conductors inside a lighting device, e.g. means for guiding along parts of the housing or in a pivoting arm
-
- 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
- F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
- F21V23/004—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array arranged on a substrate, e.g. a printed circuit board
- F21V23/006—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array arranged on a substrate, e.g. a printed circuit board the substrate being distinct from the light source holder
-
- 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
- F21V3/00—Globes; Bowls; Cover glasses
-
- 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
- F21V31/00—Gas-tight or water-tight arrangements
- F21V31/04—Provision of filling media
-
- 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]
-
- 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]
- H05B45/30—Driver circuits
- H05B45/357—Driver circuits specially adapted for retrofit LED light sources
- H05B45/3574—Emulating the electrical or functional characteristics of incandescent lamps
Definitions
- the invention relates to an electronics housing, in particular the driver housing, for a lamp, wherein in the space enclosed by the Elect ⁇ ronikgephaseuse receiving space a Elektronikplati ⁇ ne, in particular driver board, is housed.
- the invention also relates to a semiconductor lamp, comprising a heat sink with a cavity for accommodating a Elektronikge ⁇ housing and at least one therm ⁇ mixed with the heat sink ⁇ mixed semiconductor light source, wherein the driver ⁇ board with the at least one semiconductor light source to whose ren supply electric is functionally coupled.
- the dung OF INVENTION ⁇ further relates to a method for encapsulating an electronic package for a lamp.
- EP 0645943 Bl describes an operating device for electric lamps, comprising a driver housing, an electrical ⁇ rule driver circuit which is arranged in the interior of the drive housing, and a connecting part, the electric An ⁇ connections for the voltage supply of the operating unit and electrical connections for at least one having an electric lamp, wherein a filler neck allows filling of potting compound in the interior of the fully assembled operating device. It is disadvantageous that only the whole interior makes sense. However, the complete encapsulation of Trei ⁇ bergephaseuses brings disadvantages in terms of an overall weight growth, a component damage, an expansion at high temperature and a high price with them.
- the driver circuit is therefore sometimes only partially connected to the driver housing.
- a pasty, non-liquid material is introduced via a so-called. Dispensernadel, wherein the dispenser needle is directed to that point of the driver ⁇ circuit, which is to shed.
- Dispensernadel wherein the dispenser needle is directed to that point of the driver ⁇ circuit, which is to shed.
- the following problems may occur, among others: Inserting the dispenser needle into the lamp may damage the driver electronics.
- the driver housing is following strigo ⁇ sen, a casting is no longer possible. If a small opening is left open for filling, the safety-relevant clearances and creepage distances between the electronics and the touchable heat sink must still be maintained.
- At least egg of the disadvantages of the prior art nen at leastnostimil provide ⁇ countries and particularly a way to flexible operating and damage resistant and inexpensive casting of components of an electronic circuit of a lamp.
- Preferred embodiments are insbesonde ⁇ re the dependent claims.
- the object is achieved by an electronics housing for a lamp, wherein in a umringe ⁇ nen by the electronics housing receiving chamber an electronic circuit board (or driver circuit board) is housed and the electronics housing has an elongated channel, wherein the channel connects an outer side of the electronics housing with the receiving space and extends substantially parallel and offset to the electronics board.
- a filling tool for example a needle, which passes through the channel can be introduced into the receiving space from the outside in a direction predetermined by the longitudinal orientation of the channel, essentially parallel to the electronic circuit board.
- the tool can basically be positioned anywhere along the electronic board and consequently process different areas of the electronic board or the receiving space in a targeted manner.
- the tool can be provided with at least one casting opening. be seen, which is selectively positioned to shed at least a subspace of the receiving space with a potting material escaping therefrom.
- a cast Vo ⁇ lumen can be kept very small if necessary, which saves costs and weight.
- the electronics housing can be inserted in a heat sink.
- the electronics housing may also have at least one Ka ⁇ bush feedthrough for performing at least one electrical line (cable, wire, etc.).
- the electronic circuit board is equipped on its first side with at least one component in an SMD technology (SMD component) and on its second side with at least one component in a wire connection technology (wired component) is fitted, the channel of ers ⁇ th page is opposite.
- the channel is arranged such that a potting compound emerging from the tool located in the channel initially impinges on the first side of the electronic circuit board.
- the casting can only SMD components carried leads to which (in contrast to the mostly contacted by Drumble ⁇ th components) against the casting are insensitive, so that damage to the assembled electronic circuit board can be avoided.
- the electronic board is provided on its first side with at least one component in a SMD technology and is fitted on its second side with at least ei ⁇ nem component in a wire bonding technique.
- the electronic circuit board is equipped on its first side exclusively with one or more components in an SMD technology and equipped on its second side exclusively with one or more components in a wire connection technology.
- the electronic board essentially divides the receiving space into two receiving areas, of which a first receiving area is delimited by the electronics housing and the first side of the electronic board and a second receiving area by the electronics housing and the second side of the electronic board - is bordered.
- the tool is then only in one of the receiving ⁇ areas, preferably the first receiving area, introduced, allowing a decoupling of the potting of the two receiving spaces.
- the electronics board essentially completely subdivides the receiving space into two receiving areas, that is, it is designed as a room divider. As a result, overflow of potting compound from one of the receiving areas into the other of the receiving areas can be minimized.
- at least one through ⁇ opening may be present in the electronics board through which the displaced air can escape into the other receiving area.
- the electronic board can have one or more cooling surfaces, eg cooling fins, for increased heat dissipation. It is also a further development that the electronics housing, a driver housing and the electronics board is amaschineerpla ⁇ tine.
- the channel extends into the receiving space.
- a surrounding component e.g. Heatsink
- the channel e.g. tubular from the housing, e.g. used in the heat sink and so be used to fix the electronics housing and possibly also as a cable bushing.
- the electronics housing has a projection projecting into the receiving space, which is located at a distance to the channel in a direction of extension of the channel.
- a penetration depth of the tool can be limited in the receiving space.
- the projection for constriction of the receiving space can be used, so separately a filling of a located between the receiving space and the channel subspace substantially and widely ⁇ continuous without a Introducing potting material in the rest ⁇ union receiving space can be performed.
- the Elektronikgezza ⁇ se is at least partially encapsulated with a thermally conductive potting ⁇ material, wherein the potting material contacts at least one equipped in the SMD technology component and the electronics housing.
- the component equipped with SMD technology can be thermally coupled to the electronics housing and, on top of that, to a heat sink.
- the potting material contacts ⁇ at least one equipped in the wire connection technology component and the electronics housing. This can be the case, in particular, in the case of a completely potted accommodating space.
- the electronics housing is formed in two parts with a first housing part and a second Ge ⁇ housing part, wherein the first housing part and the second housing part are at least partially connected via a (in particular in profile) labyrinth-like mechanical contact.
- a labyrinthine mechanical contact may be realized for example in that a pre-crack is a housing part inserted into a matching recess of the at ⁇ the housing part.
- the object is also achieved by a semiconductor lamp , pointing to ⁇ a heat sink with a cavity for receiving an electronics housing as described above and at least ei ⁇ ner thermally connected to the heat sink semiconductor light source, the electronic circuit with the at least one semiconductor light source electrically coupled to the power supply is.
- the at least one semiconductor light source ⁇ comprises at least one light emitting diode. If several LEDs are present, they can be lit in the same color or in different colors. A color can be monochrome (eg red, green, blue etc.) or multichrome (eg white).
- the light emitted by the at least one light-emitting diode can also be an infrared light (IR LED) or an ultraviolet light (UV LED).
- IR LED infrared light
- UV LED ultraviolet light
- Several light emitting diodes can produce a mixed light; eg a white mixed light.
- the at least one light-emitting diode may contain at least one wavelength-converting phosphor (conversion LED).
- the at least one light-emitting diode may be in the form of at least one individually housed light emitting diode or in the form of at least one LED chip. Several LED chips can be mounted on a common substrate ("submount").
- the at least one light-emitting diode can be equipped with at least one own and / or common optics for beam guidance, eg at least one Fresnel lens, collimator, and so on.
- the at least one semiconductor light source may have, for example Minim ⁇ least one diode laser.
- the semiconductor lamp may in particular be a retrofit lamp, in particular an incandescent retrofit lamp.
- the object is also achieved by a method for Vergie ⁇ Shen of an electronics housing for a lamp, wherein
- a potting material is introduced into the receiving space through at least one potting opening of the filling tool
- the potting material connects at least one component of elec ⁇ ronikplatine with the electronics housing.
- the Ver Schollwerkmaschine is introduced into a region of the electronics housing, which in part ⁇ example is bounded by a first side of the electronics board, which is equipped with at least one component in a SMD technology.
- the SMD components can be cast specifically with the potting compound.
- the egg has Ver Reichlltechnikmaschine ⁇ NEN stop which a depth of penetration of the filling tool encryption limited in the receiving space. Characterized the Ver collltechnikmaschine can be po sitioned ⁇ in the receiving space with high accuracy, in particular next to a shed ⁇ zdes component.
- the filling tool touches on a projecting into the receiving space stop of the electronics housing when it is inserted into the receiving space.
- a position of the tool in the receiving space can be set with high accuracy, and moreover, the projection can serve for constriction of the receiving space, so that a filling of a space located between the receiving space and the channel substantially separate and substantially without an introduction of potting material can be performed in the remaining recording room.
- the Ver Scholltechnikmaschine is inserted so far into the receiving space, that the Minim ⁇ least a casting opening of the Ver spalltechnikmaschines at least substantially opposite to the one to be cast component.
- the potting material can be applied substantially directly to the desired component by the at least one potting opening, which allows a particularly economical consumption of potting material.
- the filling tool has a plurality of outlet or Vergussö Maschinenen, by wel ⁇ che a plurality of components are cast simultaneously and wherein a size of the Vergussö réelleen is tuned to a to be cast Flä ⁇ che of the respectively associated components.
- a casting can be provided from a comparatively large Vergussöff ⁇ planning for a comparatively large area construction part.
- Fig.l shows a sectional view in side view a
- FIG. 1 shows an LED lamp 1 which, for example, forms part of an incandescent lamp retrofit lamp.
- the LED lamp has a ⁇ be schreib a longitudinal axis L is essentially rotationally symmetrical outer contour.
- the LED lamp 1 has a heat sink 2, for example with aluminum, which may have cooling fins on its outer peripheral surface.
- a heat sink 2 On a front side 3 of the heat sink 2, an LED board 4 is flat.
- a pre ⁇ the side 5 of the LED board 4 is equipped with a plurality of light emitting diodes (LEDs) 6, which emit substantially in a front half-space of the LED lamp.
- LEDs light emitting diodes
- the LED board 4 lies flat on the heat sink, so that it can effectively transmit waste heat generated by the LEDs 6 during operation to the heat sink 2.
- the LEDs 6 are from a piston 7, which can serve in particular as a diffuser, arched.
- the piston 7 is also attached to the heat sink 2.
- the heatsink 2 further comprises a cavity 8 for the Wesentli ⁇ chen compliant accommodation of an electronic package in the form of a driver housing. 9
- the driver housing 9 is constructed in two parts from an upper housing part 9a and egg ⁇ nem lower housing part 9b.
- the driver housing 9 can be inserted into the cavity 8 from below. Backward, the cavity 8 with the driver housing 9 by a socket (not shown) closed.
- the driver housing 9 encloses a receiving space 10 for an electronics or electronic circuit board in the form of a driver board 11.
- the driver board 11 is parallel to the longitudinal axis or perpendicular in the driver housing 9 and may have been introduced for example by means of ge ⁇ suitable vertical guide rails (o.Fig.).
- the driver board 11 may also be curved to conform to the closest area of the driver housing 9.
- the driver board 11 abuts an upper wall 12 of the driver housing 9 and may also abut against an oppositely positioned lower wall (o.Fig.).
- the driver board 11 thus divides the receiving space 10 into a first receiving area 13 and a second receiving area 14.
- the first receiving area 13 is bounded by a first side 15 of the driver board 11 and the driver housing 9, and the second receiving area 13 is defined by a second side 16 of the driver board 11 and the remaining part of the driver housing 9 limited.
- the driver board ⁇ tine 11 is equipped on both sides, on its first side 15 with components 17 in surface technology (SMDs) and on its second side at least partially with components 18 in wire connection technology
- the populated driver board 11 can be supplied with power via the socket which can be inserted into a suitable, current-carrying socket.
- Not Darge ⁇ represents is, for example, central, cable entry for performing at least one electrical line (cable, wire, etc.) between the driver board and the LED board. 4
- the upper (the LED board 4 facing) housing part 9a has an elongated tubular channel 19, which ver ⁇ binds an outer side of the driver housing 9 with the receiving space 10 and extends parallel and offset to the driver board 11 and the longitudinal axis L.
- the channel 19 extends from the top wall 12 perpendicular to the first portion 13 of the receiving space 10. The length of the channel 19 is tuned so that the required safety distances (creepage distances) between the driver board 11 and the heat sink 2 are met.
- the first portion 13 can be potted with a pasty or viscous potting material (potting compound) 20.
- potting compound potting compound
- this may be accomplished by inserting a Vergusstechnikmaschines, in particular in the form of a Be Shellnadel, ge ⁇ Schehen.
- the Vergusstechnikmaschine due to the linear Langge ⁇ stretched shape of the channel 19, the driver board not berüh ⁇ reindeer, so that the drive circuit board 11 can not be damaged.
- the filling tool can be positioned at a desired height (along the longitudinal axis L) so that a specific filling position can be achieved. Since the driver board 11 acts here as a room divider, the first portion 13 can be filled without the second Operabe ⁇ rich 14 is filled.
- the pressure of the molding material can best possibly through some sources Vergussmate ⁇ rial 20 through the gap between an edge of the driver board 11 and the driver housing.
- the first part ⁇ area does not need to be completely filled, in particular up to about 80%, so that very little potting material 20 enters the second portion 14.
- the gap can also be used to vent the first portion 13 to pass through the potting material 20 displaced air.
- the SMD components 17 can be cast in a simple manner with the potting material, while the components 18 which are less suitable for encapsulation with the pasty material are not potted in wire connection technology.
- the potting material 20 contacts at least one SMD component 17 with the driver housing 9 and forms a ther ⁇ mix bridge.
- the molding material 20 is particularly well thermally conductive, can be so effective heat dissipation of the SMD components 17 through the potting material 20, the driver housing 9 and the heat sink 2 Errei ⁇ chen to the environment.
- the partial filling is also cheaper and easier than a full-fill.
- the driver housing 9 can be in the closed state, wherein the upper casing part 9a 9b with the lower housing part ver ⁇ connected, filled and a ⁇ be performed subsequent to the cavity. 8
- the upper casing part 9a and the lower Ge ⁇ casing part 9b formed on a circumferential contact surface of a labyrinthine mechanical contact, for example by one of the housing parts 9a, 9b a circumferential, vertical projection (o.
- the receiving space 10 is about 80% filled.
- the complete backfilling can be simplified, for example, by a large gap between the driver board 11 and a bottom wall of the driver housing 9. A venting of the driver housing 9 to the outside can be done in ⁇ example, by the cable bushing, not shown.
- 3 shows a sectional side view of a detail of the driver housing 9 with an inserted filling tool in the form of a filling or Dispenser- needle 21.
- the dispenser needle 21 can be introduced in a straight line with a ge ⁇ wrestle game in the channel 19 so that they can not significantly angled against the longitudinal direction of the channel 19 and safelyproofge ⁇ leads to the driver board 11.
- the diameter of the channel 19 is adapted to the diameter of the dispenser needle 21, so that damage to the components 17 during insertion and removal of the dispenser needle 21 is not possible.
- An encapsulation opening of the dispenser needle 21 can be located, for example, at its tip or on a lateral wall. Pasty or viscous potting material is pressed out through the potting opening.
- a SET ⁇ development of a penetration depth of the dispenser needle 21 into the Recordin ⁇ meraum 10 the location or the amount of leakage of the potting material can be determined. This can particularly be achieved by a device 17, which is located unge ⁇ ferry at the height of the casting opening is sealed effectively with high security.
- the position of the exit point of the potting material can be varied via the dispenser needle 21.
- the dispenser needle 21 may ver ⁇ extended the channel 19 temporary and, after the casting is removed.
- the dispenser needle 21 may be matched to the concrete built driver board 11, for example, by providing an An ⁇ impact 22, so that the dispenser needle 21 is positioned in front of the preferably to be cast member 17.
- FIG. 4 shows a sectional side view of a detail of a further suitable for use in a semiconductor lamp 1 housing 23 with an inserted filling tool in the form of a dispensing needle 24.
- the Housing 23 is similar to the housing 9 constructed except that now on the lower housing part 23 b is a laterally extending into the receiving space 10 projection 25 is present, which projects into the path of the dispenser needle 24.
- the projection 25 acts as a stop for the dispenser needle 24, which limits the penetration depth of the dispenser needle 24, where ⁇ can be dispensed by the stop 22.
- the projection 25 has the function of a barrier. This barrier prevents the potting material 20 initially falls in vertical filling in the lower part of the housing 23 and the housing 23 and its receiving ⁇ space 10 slowly fills from there. If the paste-like Vergussmate ⁇ rial 20 stopped at the projection 25, so a small bubble of potting material 20 forms around the potting. This bubble grows slowly, and as it grows the pressure around the potting opening increases. This pressure guarantees that nearby SMD components 17 are completely potted. In addition, a particularly small potted volume can be achieved.
- FIG. 5 shows a sectional side view of a section of an LED lamp 26 similar to the LED lamp 1, except that now the driver housing 27 has a channel 28 for introducing a filling tool, in particular dispenser needle, which extends from the housing 27 to the outside, more precisely here forward through the heat sink 2 and the LED board 4, extends.
- a filling tool in particular dispenser needle
- the channel 28 may also serve as a grommet.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Casings For Electric Apparatus (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102010028481A DE102010028481A1 (de) | 2010-05-03 | 2010-05-03 | Elektronikgehäuse für eine Lampe, Halbleiterlampe und Verfahren zum Vergießen eines Elektronikgehäuses für eine Lampe |
| PCT/EP2011/056913 WO2011138257A1 (de) | 2010-05-03 | 2011-05-02 | ELEKTRONIKGEHÄUSE FÜR EINE LAMPE, HALBLEITERLAMPE UND VERFAHREN ZUM VERGIEßEN EINES ELEKTRONIKGEHÄUSES FÜR EINE LAMPE |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP2520135A1 true EP2520135A1 (de) | 2012-11-07 |
Family
ID=44546068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP11721009A Withdrawn EP2520135A1 (de) | 2010-05-03 | 2011-05-02 | ELEKTRONIKGEHÄUSE FÜR EINE LAMPE, HALBLEITERLAMPE UND VERFAHREN ZUM VERGIEßEN EINES ELEKTRONIKGEHÄUSES FÜR EINE LAMPE |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20130044500A1 (de) |
| EP (1) | EP2520135A1 (de) |
| CN (1) | CN102893702A (de) |
| DE (1) | DE102010028481A1 (de) |
| WO (1) | WO2011138257A1 (de) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103765078A (zh) * | 2011-08-26 | 2014-04-30 | Lg伊诺特有限公司 | 照明装置 |
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| DE102008039365A1 (de) * | 2008-08-22 | 2010-03-04 | Osram Gesellschaft mit beschränkter Haftung | Leuchtvorrichtung |
| CN201302131Y (zh) * | 2008-09-08 | 2009-09-02 | 东莞市大晶嘉照明科技有限公司 | 一种设有内置驱动器的大功率发光二极管节能灯 |
| DE202008016867U1 (de) * | 2008-12-19 | 2009-03-19 | Osram Gesellschaft mit beschränkter Haftung | Leuchte |
| DE202008016870U1 (de) * | 2008-12-19 | 2009-03-19 | Osram Gesellschaft mit beschränkter Haftung | Leuchte |
-
2010
- 2010-05-03 DE DE102010028481A patent/DE102010028481A1/de not_active Ceased
-
2011
- 2011-05-02 CN CN2011800223447A patent/CN102893702A/zh active Pending
- 2011-05-02 WO PCT/EP2011/056913 patent/WO2011138257A1/de not_active Ceased
- 2011-05-02 US US13/583,969 patent/US20130044500A1/en not_active Abandoned
- 2011-05-02 EP EP11721009A patent/EP2520135A1/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| DE102010028481A1 (de) | 2011-11-03 |
| CN102893702A (zh) | 2013-01-23 |
| US20130044500A1 (en) | 2013-02-21 |
| WO2011138257A1 (de) | 2011-11-10 |
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