WO2019000507A1 - 非定向自镇流led灯泡 - Google Patents

非定向自镇流led灯泡 Download PDF

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Publication number
WO2019000507A1
WO2019000507A1 PCT/CN2017/093266 CN2017093266W WO2019000507A1 WO 2019000507 A1 WO2019000507 A1 WO 2019000507A1 CN 2017093266 W CN2017093266 W CN 2017093266W WO 2019000507 A1 WO2019000507 A1 WO 2019000507A1
Authority
WO
WIPO (PCT)
Prior art keywords
led light
wall
housing
light source
directional self
Prior art date
Application number
PCT/CN2017/093266
Other languages
English (en)
French (fr)
Inventor
曹小兵
何军
古道雄
Original Assignee
深圳市长运通半导体技术有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 深圳市长运通半导体技术有限公司 filed Critical 深圳市长运通半导体技术有限公司
Publication of WO2019000507A1 publication Critical patent/WO2019000507A1/zh

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21KNON-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
    • F21K9/00Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/20Light sources comprising attachment means
    • F21K9/23Retrofit 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
    • F21K9/232Retrofit 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 specially adapted for generating an essentially omnidirectional light distribution, e.g. with a glass bulb
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21KNON-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
    • F21K9/00Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/20Light sources comprising attachment means
    • F21K9/23Retrofit 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
    • F21K9/235Details of bases or caps, i.e. the parts that connect the light source to a fitting; Arrangement of components within bases or caps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21KNON-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
    • F21K9/00Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/20Light sources comprising attachment means
    • F21K9/23Retrofit 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
    • F21K9/237Details of housings or cases, i.e. the parts between the light-generating element and the bases; Arrangement of components within housings or cases
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21KNON-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
    • F21K9/00Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/20Light sources comprising attachment means
    • F21K9/23Retrofit 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
    • F21K9/238Arrangement or mounting of circuit elements integrated in the light source
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V19/00Fastening of light sources or lamp holders
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50Cooling arrangements
    • F21V29/502Cooling arrangements characterised by the adaptation for cooling of specific components
    • F21V29/503Cooling arrangements characterised by the adaptation for cooling of specific components of light sources

Definitions

  • the present invention relates to the field of LED lighting technology, and more particularly to a non-directional self-ballasted LED bulb.
  • LEDs Light-emitting diodes
  • the existing LED light bulb generally includes a connector, a metal case, a heat sink, an LED light source module, and a transmissive cover.
  • the LED light source module is fixed on the heat sink, and the connector and the transparent cover are respectively located.
  • the metal shell is connected to the heat sink at both ends of the housing to dissipate heat generated by the LED bulb to the outside, thereby achieving the purpose of improving the service life of the LED bulb.
  • a metal heat sink for heat dissipation is disposed on a metal casing of an LED bulb, but the temperature of the metal fin is generally high, and the user is easily burned after disassembly of the LED bulb. If the leakage current is easily transmitted to the user through the metal heat sink, the existing LED light bulb has a safety hazard; in addition, the existing LED light bulb has a complicated structure, is inconvenient to assemble, and has poor impact resistance.
  • the present invention is based on the above one or more technical problems, and provides a non-directional self-ballasted LED bulb for solving the technical problems of unsafe, complicated structure, inconvenient assembly, and poor impact resistance in the prior art.
  • the present invention provides a non-directional self-ballasted LED bulb comprising a connector (1), a housing (2), a heat sink (3), an LED light source module (4), and a transmissive cover (5).
  • the body (2) includes a first housing (21) external to the housing (2) and a second housing (22) interposed in the first housing (21), the first housing The inner surface of the body (21) is in contact with the outer surface of the second casing (22), a casing (21) is fastened to the translucent cover (5);
  • the heat sink (3) includes a fixed wall (31), the LED light source module (4) is fixed on the fixed wall (31), and a peripheral edge of the fixed wall (31) faces the connector (1) extending and forming an annular extending wall (32), and an end of the extending wall (32) facing away from the fixing wall (31) is bent and extended toward the transparent cover (5) to form a connecting wall (33)
  • the second housing (22) is sleeved on the connecting wall (33) to fix the heat sink (3) on the second housing (22), the extending wall ( 32)
  • An annular groove (34) is formed between the connecting wall (33).
  • the connector (1) includes a connecting post (11) for connecting to one electrode of the socket and a pressing member (12) for connecting to the other electrode of the socket.
  • the connecting post (11) is provided with a wire hole (111), one end of the pressing member (12) is inserted into the wire hole (111), and the other end of the pressing member (12) extends to the Connecting column (11)
  • a wire (6) for transmitting electrical energy for the LED light source module (4) is disposed between the connector (1) and the LED light source module (4), and one end of the wire (6) is clamped The wall of the wire (111) is held between the wall of the wire and the pressing member (12), and the other end of the wire (6) is connected to the LED light source module (4).
  • the pressing member (12) includes a columnar plug portion (121) and a limiting portion (122) at one end of the plug portion (121), the plug portion (121) Inserted in the wire hole (111), the limiting portion (122) is located outside the connecting column (11) and abuts against the connecting column (11) to limit the pressing member (12) The depth at which the wire hole (111) is inserted.
  • the pressing member (12) is a screw.
  • the connecting post (11) comprises a cylinder (112) made of a metal material and a spacer (113) made of a non-metallic material, and the outer peripheral surface of the cylinder (112) is disposed.
  • the spacer (113) is inserted at one end of the cylinder (112), and the spacer (113) is provided with the wire hole (111).
  • the spacer (113) is provided with a recess at an end face of the transparent cover (5) (114.
  • the LED light source module (4) comprises a circuit board (41) and An LED light source (42) fixed to the circuit board (41), the circuit board (41) being fixed on the fixed wall (31), the L An ED light source (42) is located on a side of the circuit board (41) facing away from the fixed wall (31), and the circuit board (41) and the central portion of the fixed wall (31) are respectively disposed with corresponding positions.
  • a first through hole (7) and a second through hole (8) wherein one end of the wire (6) facing away from the connector (1) passes through the first through hole (7) and the second through hole (8) and The circuit boards (41) are connected.
  • the LED light source module (4) further comprises a thyristor dimmer (43) electrically connected to the LED light source (42), the thyristor dimmer (43) is used for The current flowing through the LED light source (42) is decreased when the temperature is greater than a preset value.
  • one end of the first housing (21) is provided with a fastening portion (212), and the transparent cover (5) is provided with a fastening groove (55), and the fastening portion (212) Inserted into the fastening groove (55) to fasten the first housing (21) to the translucent cover (5).
  • the first housing (21) includes a first body (211) having a flared shape, and the second housing
  • the translucent cover (5) includes a cover (51) that is disposed at an end surface of the first body (211), and the cover (51) faces one end of the first body (211)
  • a first connecting ring (52) is formed inwardly of the end surface, and an inner connecting edge of the first connecting ring (52) extends toward the connecting head (1) to form a second connecting ring (53), the second connection
  • the outer peripheral surface of the ring (53) extends away from the center of the second connecting ring (53) to form a third connecting ring (54), the first connecting ring (52) and the second connecting ring (53)
  • the fastening groove (55) is formed between the third connecting ring (54).
  • the end surface of the first body (211) facing away from the translucent cover (5) obliquely extends toward the central axis of the first body (211) to form an annular resisting wall (214), an end surface of the second casing (22) facing away from the translucent cover (5) abuts against the abutting wall (214) to block the second casing (22) Move toward the connector (1).
  • an end of the resisting wall (214) facing away from the first body (211) extends toward the connecting head (1) to form a socket wall (215), the sleeve wall (215)
  • An annular connecting groove (216) is disposed on an outer peripheral surface of one end of the connecting head (1), and the connecting groove (216) and one end of the connecting wall (215) facing the connecting head (1) The end faces are connected, and the connector (1) is inserted in the connection
  • the groove (216) is in an interference fit with the groove wall of the connecting groove (216).
  • the inner wall of one end of the first body (211) connected to the transparent cover (5) protrudes inwardly to form a first fixing ring (213), and the first fixing ring a diameter of (213) is larger than a diameter of the first body (211) facing away from the end of the transparent cover (5), an inner circumferential surface of the first fixing ring (213) and the first body (211)
  • the axis of the axis is parallel;
  • the second housing (22) includes a second body (221) having a flared shape, and the second body (221) faces an end of the connecting head (1) against the resisting wall ( 214)
  • the second end of the second body (221) has a second fixing ring (222) extending toward the transparent cover (5), and the second fixing ring (222) is clamped in the second fixing ring (222).
  • the first fixing ring (213) and the connecting wall (33) are in an interference fit with the first fixing ring (213) and the connecting wall (33).
  • the entire outer circumferential surface of the second body (221) is in contact with the inner circumferential surface of the first body (211).
  • the first housing (21) is made of plastic
  • the second housing (22) is made of aluminum or aluminum alloy.
  • the heat sink is a plastic aluminum heat sink
  • the plastic aluminum heat sink is formed of a heat conductive plastic coated aluminum material.
  • the LED light source module comprises a linear constant current high voltage LED driving chip disposed on the circuit board.
  • the connector employs a screw base.
  • the translucent cover (5) is mushroom shaped.
  • the surface of the LED light source (42) is provided with an optical film (421), the optical film
  • the LED point light source for illuminating the optical film (421) on the surface of the optical film (421) is uniformly emitted as a surface light source.
  • the housing of the non-directional self-ballasted LED bulb of the present invention is formed by a first housing that is external to the housing and a second housing that is inserted into the first housing.
  • the inner surface of the first casing is in contact with the outer surface of the second casing, so that not only the impact resistance is good, but it is not easy to fall.
  • the heat sink includes a fixed wall
  • the LED light source module is fixed on the fixed wall
  • a peripheral edge of the fixed wall extends toward the connecting head to form an annular extending wall
  • the extending arm a connecting wall extending away from an end of the fixing wall toward the transparent cover is formed with a connecting wall
  • the second casing is sleeved on the connecting wall to fix the heat sink to the second
  • An annular groove is formed between the extending wall and the connecting wall on the casing. Therefore, the structure is simple and compact, and is easy to assemble.
  • the heat sink is stably connected to the second casing, and the second casing better conducts heat of the heat sink to avoid the problem of poor heat dissipation.
  • the first housing is fastened to the translucent cover, the assembly process is simple and the shape is smooth and smooth.
  • FIG. 1 is a schematic perspective view of a non-directional self-ballasted LED bulb of the present invention
  • FIG. 2 is a cross-sectional structural view of the non-directional self-ballasted LED bulb shown in FIG. 1;
  • FIG. 3 is an exploded view of the non-directional self-ballasted LED bulb of FIG. 1 with the wire removed; [0032] FIG.
  • FIG. 4 is an enlarged view of a region A shown in FIG. 2. .
  • the present invention discloses a non-directional self-ballasted LED bulb comprising a connector 1, a housing 2, a heat sink 3, an LED light source module 4, and a transmissive cover 5,
  • the connector 1 and the transparent cover 5 are respectively located at two ends of the housing 2 and connected to the housing 2 .
  • the connector 1 is used for connection with a lamp holder for obtaining an external power source, preferably a screw base.
  • the LED light source module here uses a linear constant current high voltage LED driver chip on the circuit board plus basic electronic components and several LED lamp beads (LED light sources) integrated on one substrate.
  • the linear constant current high voltage LED driving chip is used to make the LED light source module work at 9V, 18 V or 36V and string higher voltage, while the ordinary LED light source module can only work at a voltage of about 3 V. Moreover, the linear high voltage scheme described above not only makes the LED light source module highly integrated, but also facilitates automated assembly and production.
  • the heat sink 3 is preferably a plastic aluminum heat sink, which is coated with aluminum with a heat conductive plastic. The heat dissipating component, the inner aluminum material is used as the heat conducting member. Of course, the heat sink 3 may be made of other materials.
  • the above non-directional self-ballasted LED bulb includes a plurality of self-ballasted LED lamp beads with non-directional illumination characteristics.
  • the connector (such as a screw base) 1 includes a connecting post 11 for connecting to one electrode of the socket and another electrode for the socket.
  • the connected pressing member 12 obtains external electric energy through the connecting post 11 and the pressing member 12 to supply power to the non-directional self-ballasted LED bulb.
  • the connecting post 11 is provided with a wire hole 111, one end of the pressing member 12 is inserted into the wire hole 111, and the other end of the pressing member 12 extends outside the connecting post 11.
  • a wire 6 for transmitting electrical energy to the LED light source 42 is disposed between the connector (such as a screw cap) 1 and the LED light source module 4, and one end of the wire 6 is clamped in the wire hole 111.
  • the other end of the wire 6 is connected to the LED light source module 4.
  • the wire 6 is held by the pressing member 12, so that the production efficiency is high, and the environmental pollution caused by soldering in the prior art and the complicated production process are avoided.
  • the pressing member 12 includes a columnar insertion portion 121 and a limiting portion 122 at one end of the insertion portion.
  • the insertion portion 121 is inserted into the wire hole 111, and the limit is
  • the portion 122 is located outside the connecting post 11 and abuts against the connecting post 11 to limit the depth at which the pressing member 12 is inserted into the wire hole 111, thereby avoiding assembly and the pressing member 12 sinking into the wire.
  • the pressing member 12 is a screw. Since the outer surface of the screw has a thread, the coefficient of friction is high, and the reliability of the connection between the pressing member 12 and the wall of the wire 6 and the wire hole 111 is improved.
  • the connecting post 11 includes a cylinder 112 and an isolation seat 113.
  • the outer peripheral surface of the cylinder 112 is provided with an external thread for connecting with the socket, and the spacer 113 is inserted into the cylinder.
  • the spacer 113 is provided with the wire hole 111.
  • the cylinder 112 can be isolated from the pressing member 12 by the spacer 113 to avoid short circuit.
  • the spacer 113 is provided with a recess 114 facing away from the end face of the translucent cover 5.
  • the material of the pillar 112 may be gold, silver, copper, iron, aluminum or an alloy thereof, and the material thereof is not particularly limited as long as it is a metal material.
  • the spacer 113 may be an insulating material such as plastic, and the material is not particularly limited as long as it is a non-metal material. It can be understood that, in a practical manner, the wire 6 and the pressing member 12 can be tied or fastened or connected. Therefore, the connector (such as a screw cap) 1) The structure is not limited as long as it can be electrically connected to the lamp holder.
  • the housing 2 includes a first housing 21 located outside the housing 2 and a second housing 22 inserted in the first housing 21, The inner surface of the first housing 21 is in contact with the outer surface of the second housing 22, and the first housing 21 is wrapped on the outer wall of the second housing 22.
  • the first housing 21 is a non-metallic member
  • the second housing 22 is a metal member.
  • the first housing 21 may be made of a non-metal material such as plastic.
  • the second casing 22 may be made of a metal material such as aluminum or aluminum alloy, and the aluminum alloy material has the advantages of good ductility, low density, and good thermal conductivity.
  • the first housing 21 includes a first body 211 having a flared shape
  • the second housing 22 is inserted into the first body 211 and is
  • the first body 211 is connected to each other, and an inner peripheral edge of the one end surface of the first body 2 11 extends toward the axial direction of the first body 211 to form an annular fastening portion 212.
  • a first fixing ring 213 is formed on the inner wall surface of the first body 211 and the inner wall surface of the first body 211.
  • the first fixing ring 213 has a larger diameter than the back of the first body 211.
  • the inner circumferential surface of the first fixing ring 213 is parallel to the axial line of the first body 211 to the diameter of the end of the transparent cover 5 .
  • An end face end surface of the first body 211 facing away from the light transmissive cover 5 is obliquely extended toward a central axis of the first body 211 to form an annular abutting wall 214.
  • the end of the resisting wall 214 facing away from the first body 211 extends toward the connecting head (such as the screw base) 1 to form a socket wall 215, and the socket wall 215 faces the connecting head (
  • An outer peripheral surface of one end of the screw cap 1 is provided with an annular connecting groove 216, and the connecting groove 216 communicates with an end surface of the connecting wall 215 facing the connecting head (such as a screw base) 1 .
  • a connector (such as a screw base) 1 is inserted into the connecting slot 216 and has an interference fit with the slot wall of the connecting slot 216.
  • the connector (such as the screw cap) 1 and the first body 21 1 can be connected by a screw connection or a snap connection, and the connection manner is not specifically limited herein.
  • the shape and structure of the first housing 21 are not specifically limited herein, and may be disposed outside the second housing 22.
  • the second housing 22 includes a second body 221 having a flared shape, and one end of the second body 221 facing the connecting head 1 abuts against the resisting wall 214, so that the assembled body is more convenient to sense. Whether the assembly is in place for easy assembly.
  • a second fixing ring 222 is formed on the end surface of the second body 221 and extends toward the transparent cover 5 . It is to be understood that the shape and structure of the resisting wall 214 are not specifically limited herein, as long as the The end surface of the second casing 22 facing away from the translucent cover 5 is abutted against the abutting wall 214 so as to block the movement of the second casing 22 toward the connecting head 1.
  • the entire outer circumferential surface of the second body 221 is in contact with the inner circumferential surface of the first body 211, thereby not only increasing the heat dissipation area, but also reinforcing the housing. 2 impact resistance.
  • the shape and structure of the first housing 21 and the second housing 22 are not specifically limited, as long as the second housing 22 is inserted into the first housing 21,
  • the first housing 21 is a non-metallic member, and the second housing 22 is a metal member.
  • the heat sink 3 includes a fixed wall 31 extending along a lateral direction of the non-directional self-ballasted LED bulb, and the LED light source module 4 is fixed on the fixed wall 31,
  • An annular extending wall 32 is formed on the periphery of the fixing wall 31.
  • the connecting wall 33 is bent away from the end of the fixing wall 31 toward the transparent cover 5 to form a connecting wall 33.
  • the second housing 22 is sleeved on the connecting wall 33 to fix the heat sink 3 on the second housing 22.
  • the second fixing ring 222 is sandwiched between the first fixing ring 213 and the connecting wall 33 and the first fixing ring 213 and the connecting wall 33
  • the interference fit makes assembly easier for alignment, and does not require complicated connection structures, and the structure is simple and compact.
  • the connection is made relatively stable and is not easily peeled off.
  • An annular groove 34 is formed between the extension wall 32 and the connecting wall 33.
  • the connecting wall 33 has a large deformation space, so that assembly can be facilitated.
  • it can also increase the heat dissipation area of the heat sink 3 and improve the heat dissipation performance.
  • the heat sink 3 may be made of a material such as aluminum or an aluminum alloy, and the material thereof is not specifically limited herein.
  • the LED light source module 4 includes a circuit board 41 and an LED light source 42 fixed on the circuit board 41.
  • the circuit board 41 is fixed on the fixed wall 31, and the LED light source 42 is located in the circuit.
  • a side of the board 41 facing away from the fixed wall 31, a central portion of the circuit board 41 and the fixed wall 31 are respectively provided with a first through hole 7 and a second through hole 8 corresponding to the position, and the wire 6 is facing away from the side
  • One end of the connector 1 passes through the first through hole 7 and the second through hole 8 and is connected to the circuit board 41.
  • the LED light source module 4 further includes a thyristor dimmer 43 electrically connected to the LED light source 42.
  • the thyristor dimmer 43 is fixed to the circuit board 41.
  • One side of the translucent cover 5 is configured to reduce a current flowing through the LED light source 42 when the temperature is greater than a preset value.
  • the control program gradually reduces the output current, thereby preventing the temperature from being too high and affecting the life of the LED light source 42.
  • the surface of the LED light source 42 is provided with an optical film 421 for uniformly emitting the LED point light source irradiated onto the optical film 421 into the surface light source, thereby being better Increase the luminous surface and eliminate glare.
  • the material and structure of the optical film 421 are not particularly limited herein, as long as the above functions can be achieved.
  • the LED light source module 4 of the invention has fewer peripheral devices and the overall structure is relatively compact. It is to be understood that the structure of the LED light source module 4 is not specifically limited herein, and it may be fixed on the heat sink 3 and capable of providing light.
  • the translucent cover 5 includes a cover 51 that is disposed at an end surface of the first body 211, and the cover 51 extends inwardly toward an end surface of the first body 211 to form a first connecting ring. 52.
  • the inner circumference of the first connecting ring 52 extends toward the connecting head 1 to form a second connecting ring 53.
  • the outer peripheral surface of the second connecting ring 53 extends away from the center of the second connecting ring 53.
  • a third connecting ring 54 is formed, and the fastening groove 55 is formed between the first connecting ring 5 2 , the second connecting ring 53 and the third connecting ring 54 .
  • the fastening portion 212 has a triangular cross section, so that the fastening portion 212 is inserted into the fastening groove 55.
  • the translucent cover 5 has a mushroom shape, so that the light is more uniformly emitted, and the whole is simple and beautiful. It is to be understood that the shape and structure of the fastening groove 55 are not specifically limited, as long as the transparent cover 5 is provided with a fastening groove 55, and the fastening portion 212 is inserted into the fastening groove 55 so that The first housing 21 may be connected to the translucent cover 5 in a snap-fit manner.
  • the housing 2 of the present invention passes through a first housing 21 that is a non-metallic member and is located outside the housing 2, and is inserted into the first housing 21
  • the second housings 22 are formed to cooperate with each other, and the inner surface of the first housing 21 is in contact with the outer surface of the second housing 22, thereby not only avoiding the safety caused by leakage of the metal housing 2 in the prior art.
  • the problem of the hidden danger is better, and the impact resistance is better, and the drop is not easy to break.
  • the heat sink 3 includes the fixed wall 31, the LED light source module 4 is fixed on the fixed wall 31, and the fixed wall 31
  • An annular extending wall 32 is formed on the periphery of the connecting head 1 , and an extending end of the extending wall facing away from the fixing wall 31 is bent toward the transparent cover 5 to form a connecting wall 33 .
  • a second housing 22 is sleeved on the connecting wall 33 to fix the heat sink 3 to the second shell
  • an annular groove 34 is formed between the extension wall 32 and the connecting wall 33. Therefore, not only is the assembly easy, but the connection between the heat sink 3 and the second housing 22 is stable and reliable, and the second housing 22 preferably conducts heat of the heat sink 3 to avoid the problem of poor heat dissipation.
  • the first housing 21 is fastened to the translucent cover 5, the assembly process is simple and the shape is smooth and smooth.

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  • 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)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

一种非定向自镇流LED灯泡,其包括连接头(1)、壳体(2)、LED光源模块(4)、散热器(3)及透光罩(5),壳体(2)包括位于壳体(2)外部的第一壳体(21)及插设在第一壳体(21)内的第二壳体(22),第一壳体(21)的内表面与第二壳体(22)的外表面相贴合,第一壳体(21)与透光罩(5)扣接相连;散热器(3)的延伸壁(32)与连接壁(33)之间形成有环形槽(34),第二壳体(22)套设在连接壁(33)上,以使散热器(3)固定在第二壳体(22)上。非定向自镇流LED灯泡具有安全性高、结构简单紧凑、便于装配、抗冲击能力好的特点。

Description

非定向自镇流 LED灯泡 技术领域
[0001] 本发明涉及 LED照明技术领域, 特别是涉及一种非定向自镇流 LED灯泡。
背景技术
[0002] 发光二极管 (LED) 具有亮度高、 工作电压低、 功耗小、 驱动简单、 寿命长等 优点, 从而作为光源广泛应用于照明领域。 现有的 LED灯泡通常包括连接头、 金 属壳体、 散热器、 LED光源模块及透光罩, 所述 LED光源模块固定在所述散热器 上, 所述连接头及所述透光罩分别位于所述壳体的两端, 所述金属壳体与所述 散热器相连, 以将 LED灯泡产生的热量散发至外部, 从而达到提高 LED灯泡使 用寿命的目的。
[0003] 目前为了提高自然对流的高散热性, 将用于散热的金属散热片设置在 LED灯 泡的金属外壳上, 但是所述金属散热片温度通常较高, 在 LED灯泡的拆卸吋容易 烫伤用户, 且若漏电, 则容易通过所述金属散热片传导至用户身上, 因而现有 的 LED灯泡具有安全隐患; 此外, 现有的 LED灯泡结构复杂, 不便于装配, 抗冲 击能力差。
技术问题
[0004] 本发明基于以上一个或多个技术问题, 提供一种非定向自镇流 LED灯泡, 用以 解决现有技术中不安全, 结构复杂, 不便于装配, 抗冲击能力差等技术问题。 问题的解决方案
技术解决方案
[0005] 本发明提供一种非定向自镇流 LED灯泡, 其包括连接头 (1) 、 壳体 (2) 、 散 热器 (3) 、 LED光源模块 (4) 及透光罩 (5) , 所述连接头 (1) 及所述透光罩
(5) 分别位于所述壳体 (2) 的两端并与所述壳体 (2) 相连, 所述 LED光源模 块 (4) 固定在所述散热器 (3) 上, 其中, 所述壳体 (2) 包括位于所述壳体 ( 2) 外部的第一壳体 (21) 及插设在所述第一壳体 (21) 内的第二壳体 (22) , 所述第一壳体 (21) 的内表面与所述第二壳体 (22) 的外表面相贴合, 所述第 一壳体 (21) 与所述透光罩 (5) 扣接相连;
[0006] 所述散热器 (3) 包括固定壁 (31) , 所述 LED光源模块 (4) 固定在所述固定 壁 (31) 上, 所述固定壁 (31) 的周缘朝所述连接头 (1) 延伸形成有环形的延 伸壁 (32) , 所述延伸壁 (32) 背向所述固定壁 (31) 的一端朝所述透光罩 (5 ) 弯折延伸形成有连接壁 (33) , 所述第二壳体 (22) 套设在所述连接壁 (33 ) 上, 以使所述散热器 (3) 固定在所述第二壳体 (22) 上, 所述延伸壁 (32) 与所述连接壁 (33) 之间形成有环形槽 (34) 。
[0007] 优选地, 所述连接头 (1) 包括用于与灯座的一个电极相连的连接柱 (11) 及 用于与所述灯座的另一个电极相连的压紧件 (12) , 所述连接柱 (11) 设置有 导线孔 (111) , 所述压紧件 (12) 的一端插入所述导线孔 (111) 内, 所述压 紧件 (12) 的另一端延伸至所述连接柱 (11) 夕卜;
[0008] 所述连接头 (1) 与所述 LED光源模块 (4) 之间设置有用于为所述 LED光源模 块 (4) 传输电能的导线 (6) , 所述导线 (6) 的一端夹持在所述导线孔 (111 ) 的孔壁与所述压紧件 (12) 之间, 所述导线 (6) 的另一端与所述 LED光源模 块 (4) 相连。
[0009] 优选地, 所述压紧件 (12) 包括柱状的插接部 (121) 及位于所述插接部 (121 ) 一端的限位部 (122) , 所述插接部 (121) 插设在所述导线孔 (111) 内, 所 述限位部 (122) 位于所述连接柱 (11) 外并与所述连接柱 (11) 相抵持以限制 所述压紧件 (12) 插入所述导线孔 (111) 的深度。
[0010] 优选地, 所述压紧件 (12) 为螺钉。
[0011] 优选地, 所述连接柱 (11) 包括由金属材料制成的柱体 (112) 及由非金属材 料制成的隔离座 (113) , 所述柱体 (112) 的外周面设置有用于与所述灯座相 连的外螺纹, 所述隔离座 (113) 插设在所述柱体 (112) 的一端, 所述隔离座 (113) 设置有所述导线孔 (111) 。
[0012] 优选地, 所述隔离座 (113) 背向所述透光罩 (5) 的端面处设置有凹槽 (114 优选地, 所述 LED光源模块 (4) 包括电路板 (41) 及固定在所述电路板 (41 上的 LED光源 (42) , 所述电路板 (41) 固定在所述固定壁 (31) 上, 所述 L ED光源 (42) 位于所述电路板 (41) 的背向所述固定壁 (31) 的一侧, 所述电 路板 (41) 及所述固定壁 (31) 中部分别设置有位置相对应的第一穿孔 (7) 及 第二穿孔 (8) , 所述导线 (6) 背向所述连接头 (1) 的一端穿过所述第一穿孔 (7) 及第二穿孔 (8) 并与所述电路板 (41) 相连。
[0014] 优选地, 所述 LED光源模块 (4) 还包括与所述 LED光源 (42) 电连接的可控 硅调光器 (43) , 所述可控硅调光器 (43) 用于在当温度大于预设值吋降低流 经所述 LED光源 (42) 的电流。
[0015] 优选地, 所述第一壳体 (21) 的一端设置有扣接部 (212) , 所述透光罩 (5) 设置有扣接槽 (55) , 所述扣接部 (212) 插入所述扣接槽 (55) 内以使所述第 一壳体 (21) 与所述透光罩 (5) 扣接相连在一起。
[0016] 优选地, 所述第一壳体 (21) 包括喇叭状的第一本体 (211) , 所述第二壳体
(22) 插设在所述第一本体 (211) 内并与所述第一本体 (211) 相连, 所述第 一本体 (211) 的一端端面内周缘朝所述第一本体 (211) 的轴心线方向延伸形 成有环形的所述扣接部 (212) ;
[0017] 所述透光罩 (5) 包括罩设在所述第一本体 (211) 端面处的罩体 (51) , 所述 罩体 (51) 面向所述第一本体 (211) 的一端端面处向内延伸形成第一连接环 ( 52) , 所述第一连接环 (52) 的内周缘朝所述连接头 (1) 延伸形成有第二连接 环 (53) , 所述第二连接环 (53) 的外周面朝背离所述第二连接环 (53) 的中 心方向延伸形成有第三连接环 (54) , 所述第一连接环 (52) 、 所述第二连接 环 (53) 及所述第三连接环 (54) 之间形成有所述扣接槽 (55) 。
[0018] 优选地, 所述第一本体 (211) 背向所述透光罩 (5) 的一端端面朝所述第一本 体 (211) 的中轴线方向倾斜延伸形成有环形的抵持壁 (214) , 所述第二壳体 (22) 的背离所述透光罩 (5) 的一端端面抵持在所述抵持壁 (214) 上, 以阻 碍所述第二壳体 (22) 朝所述连接头 (1) 运动。
[0019] 优选地, 所述抵持壁 (214) 背离所述第一本体 (211) 的一端朝所述连接头 ( 1) 延伸形成有套接壁 (215) , 所述套接壁 (215) 面向所述连接头 (1) 的一 端外周面设置有环形的连接槽 (216) , 所述连接槽 (216) 与所述套接壁 (215 ) 的面向所述连接头 (1) 的一端端面相连通, 所述连接头 (1) 插设在所述连 接槽 (216) 内并与所述连接槽 (216) 的槽壁过盈配合。
[0020] 优选地, 所述第一本体 (211) 与所述透光罩 (5) 相连的一端内壁面处向内凸 出延续形成有第一固定环 (213) , 所述第一固定环 (213) 的直径大于所述第 一本体 (211) 的背向所述透光罩 (5) —端的直径, 所述第一固定环 (213) 的 内周面与所述第一本体 (211) 的轴心线平行;
[0021] 所述第二壳体 (22) 包括喇叭状的第二本体 (221) , 所述第二本体 (221) 面 向所述连接头 (1) 的一端抵持在所述抵持壁 (214) 上, 所述第二本体 (221) 的另一端端面朝所述透光罩 (5) 延伸形成有第二固定环 (222) , 所述第二固 定环 (222) 夹持在所述第一固定环 (213) 与所述连接壁 (33) 之间并与所述 第一固定环 (213) 及所述连接壁 (33) 过盈配合。
[0022] 优选地 所述第二本体 (221) 的整个外周面与所述第一本体 (211) 的内周面 向贴合。
[0023] 优选地 所述第一壳体 (21) 由塑胶制成, 所述第二壳体 (22) 由铝或铝合金 制成。
[0024] 优选地 所述散热器为塑包铝散热件, 所述塑包铝散热件为导热塑料包覆铝材 形成。
[0025] 优选地 所述 LED光源模块包括设于所述电路板上的线性恒流高压 LED驱动芯 片。
[0026] 优选地 所述连接头采用螺口灯头。
[0027] 优选地 所述透光罩 (5) 呈蘑菇形。
[0028] 优选地 所述 LED光源 (42) 的表面设置有光学膜片 (421) , 所述光学膜片
(421) 用于将散列照射到所述光学膜片 (421) 上面的 LED点光源变成面光源均 匀射出。
发明的有益效果
有益效果
[0029] 首先, 本发明非定向自镇流 LED灯泡的所述壳体通过位于所述壳体外部的第一 壳体及插设在所述第一壳体内的第二壳体相互配合形成, 所述第一壳体的内表 面与所述第二壳体的外表面相贴合, 因而不仅抗冲击能力较好, 跌落吋不容易 摔坏; 其次, 由于所述散热器包括固定壁, 所述 LED光源模块固定在所述固定壁 上, 所述固定壁的周缘朝所述连接头延伸形成有环形的延伸壁, 所述延伸臂背 向所述固定壁的一端朝所述透光罩方向弯折延伸形成有连接壁, 所述第二壳体 套设在所述连接壁上, 以使所述散热器固定在所述第二壳体上, 所述延伸壁与 所述连接壁之间形成有环形槽。 因而, 不仅结构简单紧凑, 便于装配, 所述散 热器与所述第二壳体连接稳定可靠, 而且所述第二壳体较好地将所述散热器的 热量传导出去, 避免散热不良的问题; 最后, 由于所述第一壳体与所述透光罩 扣接相连, 因而装配工艺简单, 外形平滑光洁。
对附图的简要说明
附图说明
[0030] 图 1是本发明非定向自镇流 LED灯泡的立体结构示意图;
[0031] 图 2是图 1所示的非定向自镇流 LED灯泡剖视结构示意图;
[0032] 图 3是图 1所示的非定向自镇流 LED灯泡去掉导线后的分解图;
[0033] 图 4是图 2所示 A区域的放大图。 。
本发明的实施方式
[0034] 下面结合附图和实施例对本发明进行详细说明。 需要说明的是, 如果不冲突, 本发明实施例以及实施例中的各个特征可以相互结合, 均在本发明的保护范围 之内。
[0035] 请参阅图 1及图 2, 本发明公幵了一种非定向自镇流 LED灯泡, 其包括连接头 1 、 壳体 2、 散热器 3、 LED光源模块 4及透光罩 5, 所述连接头 1及所述透光罩 5分别 位于所述壳体 2的两端并与所述壳体 2相连。 所述连接头 1用于与灯座相连以获取 外部电源, 优选采用螺口灯头。 这里的 LED光源模块在电路板上采用线性恒流高 压 LED驱动芯片加上基本的电子元器件以及数颗 LED灯珠 (LED光源) 集成到一 个基板上。 采用上述线性恒流高压 LED驱动芯片使得 LED光源模块可以在 9V、 1 8 V或 36V及串成更高高压下工作, 而普通的 LED光源模块仅能在 3 V左右的电压 下工作。 而且采用上述线性高压方案不仅使得 LED光源模块集成度高, 也便于自 动化组装和生产。 上述散热器 3优选为塑包铝散热件, 用导热塑料包覆铝后成为 散热元件, 内部铝材作为导热件, 当然上述散热器 3也可是其它材料构成。 上述 非定向自镇流 LED灯泡, 包括多颗非定向照明特性的自镇流 LED灯珠。
[0036] 请参阅图 2及图 3, 所述连接头 (如螺口灯头) 1包括用于与所述灯座的一个电 极相连的连接柱 11及用于与所述灯座的另一个电极相连的压紧件 12, 通过所述 连接柱 11及所述压紧件 12获取外部电能以为所述非定向自镇流 LED灯泡供电。 所 述连接柱 11设置有导线孔 111, 所述压紧件 12的一端插入所述导线孔 111内, 所 述压紧件 12的另一端延伸至所述连接柱 11外。 所述连接头 (如螺口灯头) 1与所 述 LED光源模块 4之间设置有用于为所述 LED光源 42传输电能的导线 6, 所述导线 6的一端夹持在所述导线孔 111的孔壁与所述压紧件 12之间, 所述导线 6的另一端 与所述 LED光源模块 4相连。 通过所述压紧件 12夹持所述导线 6, 因而生产效率高 , 避免了现有技术中通过焊锡进行焊接造成的环境污染及生产工艺较复杂的问 题。
[0037] 所述压紧件 12包括柱状的插接部 121及位于所述插接部一端的限位部 122, 所述 插接部 121插设在所述导线孔 111内, 所述限位部 122位于所述连接柱 11外并与所 述连接柱 11相抵持以限制所述压紧件 12插入所述导线孔 111的深度, 因而可避免 组装吋所述压紧件 12陷入所述导线孔 111内。 较佳地, 所述压紧件 12为螺钉。 由 于所述螺钉的外表面具有螺纹, 因此摩擦系数高, 提高了压紧件 12与所述导线 6 及所述导线孔 111的孔壁之间连接的可靠性。
[0038] 所述连接柱 11包括柱体 112及隔离座 113, 所述柱体 112的外周面设置有用于与 所述灯座相连的外螺纹, 所述隔离座 113插设在所述柱体 112的一端, 所述隔离 座 113设置有所述导线孔 111。 通过所述隔离座 113可将所述柱体 112与所述压紧 件 12隔离, 避免短路。
[0039] 为了节约成本以及增加所述隔离座 113的弹性, 以使便于组装压紧件 12, 所述 隔离座 113背向所述透光罩 5的端面处设置有凹槽 114。 可以理解的是, 所述柱体 112的材料可以为金、 银、 铜、 铁、 铝或其合金等, 只要为金属材料即可, 其材 料不做具体限定。 所述隔离座 113可以是塑胶等绝缘材料, 其只要为非金属材料 即可, 其材料不做具体限定。 可以理解的是, 在一种实吋方式中, 可以将所述 导线 6与所述压紧件 12困绑连接或扣接相连等。 因此, 所述连接头 (如螺口灯头 ) 1只要能够实现与灯座电性连接即可, 其结构不做具体限定。
[0040] 请参阅图 2至图 4, 所述壳体 2包括位于所述壳体 2外部的第一壳体 21及插设在所 述第一壳体 21内的第二壳体 22, 所述第一壳体 21的内表面与所述第二壳体 22的 外表面相贴合, 所述第一壳体 21包覆在所述第二壳体 22外壁上。 所述第一壳体 2 1为非金属件, 所述第二壳体 22为金属件。 其中, 所述第一壳体 21可由塑胶等非 金属材料制成。 所述第二壳体 22可由铝或铝合金等金属材料制成, 铝合金材料 具有较好的延展性, 密度小及导热性能好等优点。
[0041] 较佳地, 在本实施例中, 所述第一壳体 21包括喇叭状的第一本体 211, 所述第 二壳体 22插设在所述第一本体 211内并与所述第一本体 211相连, 所述第一本体 2 11的一端端面内周缘朝所述第一本体 211的轴心线方向延伸形成有环形的扣接部 212。 所述第一本体 211与所述透光罩 5相连的一端内壁面处向内凸出延续形成有 第一固定环 213, 所述第一固定环 213的直径大于所述第一本体 211的背向所述透 光罩 5—端的直径, 所述第一固定环 213的内周面与所述第一本体 211的轴心线平 行。 所述第一本体 211背向所述透光罩 5的一端端面朝所述第一本体 211的中轴线 方向倾斜延伸形成有环形的抵持壁 214。
[0042] 所述抵持壁 214背离所述第一本体 211的一端朝所述连接头 (如螺口灯头) 1延 伸形成有套接壁 215, 所述套接壁 215面向所述连接头 (如螺口灯头) 1的一端外 周面设置有环形的连接槽 216, 所述连接槽 216与所述套接壁 215的面向所述连接 头 (如螺口灯头) 1的一端端面相连通, 所述连接头 (如螺口灯头) 1插设在所 述连接槽 216内并与所述连接槽 216的槽壁过盈配合。 此种连接结构较为简单紧 凑, 便于生产。 可以理解的是, 所述连接头 (如螺口灯头) 1与所述第一本体 21 1可以采用螺纹连接或卡扣连接的方式, 其连接方式在此不做具体限定。 此外, 所述第一壳体 21的形状及结构在此不做具体限定, 只要套设在所述第二壳体 22 外即可。
[0043] 所述第二壳体 22包括喇叭状的第二本体 221, 所述第二本体 221面向所述连接头 1的一端抵持在所述抵持壁 214上, 因而组装吋较方便感知组装是否到位, 便于 装配。 所述第二本体 221的另一端端面朝所述透光罩 5延伸形成有第二固定环 222 。 可以理解的是, 所述抵持壁 214的形状及结构在此不做具体限定, 只要所述第 二壳体 22的背离所述透光罩 5的一端端面抵持在所述抵持壁 214上, 以能够阻碍 所述第二壳体 22朝所述连接头 1方向运动即可。
[0044] 较佳地, 在本实施例中, 所述第二本体 221的整个外周面与所述第一本体 211的 内周面向贴合, 因而不仅可增大散热面积, 而且可增强壳体 2的抗冲击能力。 可 以理解的是, 所述第一壳体 21及所述第二壳体 22的形状及结构不做具体限定, 只要所述第二壳体 22插设在所述第一壳体 21内, 所述第一壳体 21为非金属件, 所述第二壳体 22为金属件即可。
[0045] 所述散热器 3包括固定壁 31, 所述固定壁 31沿所述非定向自镇流 LED灯泡的横 向延伸设置, 所述 LED光源模块 4固定在所述固定壁 31上, 所述固定壁 31的周缘 朝所述连接头 1延伸形成有环形的延伸壁 32, 所述延伸壁 32背向所述固定壁 31的 一端朝所述透光罩 5方向弯折延伸形成有连接壁 33, 所述第二壳体 22套设在所述 连接壁 33上, 以使所述散热器 3固定在所述第二壳体 22上。 更具体地, 在本实施 例中, 所述第二固定环 222夹持在所述第一固定环 213与所述连接壁 33之间并与 所述第一固定环 213及所述连接壁 33过盈配合, 因而组装吋较便于对位装配, 且 无需复杂的连接结构, 其结构较简单紧凑。 此外, 由于所述第一固定环 213的内 周面与所述第一本体 211的轴心线平行, 因而使连接较稳固, 不易脱落。
[0046] 所述延伸壁 32与所述连接壁 33之间形成有环形槽 34。 通过设置所述环形槽 34, 因而当将所述散热器 3插设在所述第二壳体 22上吋, 所述连接壁 33具有较大变形 空间, 因而可便于装配。 此外, 其还可以增大所述散热器 3的散热面积, 提高了 散热性能。 其中, 所述散热器 3可以由铝或铝合金合金等材料制成, 其材料在此 不做具体限定。
[0047] 所述 LED光源模块 4包括电路板 41及固定在所述电路板 41上的 LED光源 42, 所 述电路板 41固定在所述固定壁 31上, 所述 LED光源 42位于所述电路板 41的背向所 述固定壁 31的一侧, 所述电路板 41及所述固定壁 31中部分别设置有位置相对应 的第一穿孔 7及第二穿孔 8, 所述导线 6背向所述连接头 1的一端穿过所述第一穿 孔 7及第二穿孔 8并与所述电路板 41相连。 通过在所述电路板 41及所述固定壁 31 中部分别设置有位置相对应的第一穿孔 7及第二穿孔 8, 因而不仅便于生产, 而 且便于灯泡内部热量的扩散。 [0048] 较佳地, 所述 LED光源模块 4还包括与所述 LED光源 42电连接的可控硅调光器 4 3, 所述可控硅调光器 43固定在所述电路板 41面向所述透光罩 5的一侧, 用于在 当温度大于预设值吋降低流经所述 LED光源 42的电流。 在本实施例中, 当所述电 路板 41上的的芯片温度 Tj>130°C吋, 控制程序会逐渐降低输出电流, 从而避免温 度过高而影响 LED光源 42的寿命。 所述 LED光源 42的表面设置有光学膜片 421, 所述光学膜片 421用于将散列照射到所述光学膜片 421上面的 LED点光源变成面光 源均匀射出, 因而可较好地增大发光面及消除炫光。 其中, 所述光学膜片 421的 材料及结构在此不做具体限定, 只要能够实现上述功能即可。 本发明 LED光源模 块 4外围器件较少, 整体结构较为紧凑。 可以理解的是, 所述 LED光源模块 4的结 构在此不做具体限定, 其只要固定在所述散热器 3上并能够提供光即可。
[0049] 所述透光罩 5包括罩设在所述第一本体 211端面处的罩体 51, 所述罩体 51面向所 述第一本体 211的一端端面处向内延伸形成第一连接环 52, 所述第一连接环 52的 内周缘朝所述连接头 1延伸形成有第二连接环 53, 所述第二连接环 53的外周面朝 背离所述第二连接环 53的中心方向延伸形成有第三连接环 54, 所述第一连接环 5 2、 所述第二连接环 53及所述第三连接环 54之间形成有所述扣接槽 55。 较佳地, 所述扣接部 212的截面呈三角形, 因而便于扣接部 212插入所述扣接槽 55内。 较 佳地, 所述透光罩 5呈蘑菇形, 因而便于光线较均匀射出, 整体简洁美观。 可以 理解的是, 所述扣接槽 55的形状及结构不做具体限定, 只要所述透光罩 5设置有 扣接槽 55, 所述扣接部 212插入所述扣接槽 55内以使所述第一壳体 21与所述透光 罩 5扣接相连即可。
[0050] 综上所述, 首先, 本发明的所述壳体 2通过为非金属件并位于所述壳体 2外部的 第一壳体 21及插设在所述第一壳体 21内的第二壳体 22相互配合形成, 所述第一 壳体 21的内表面与所述第二壳体 22的外表面相贴合, 因而不仅可避免现有技术 中金属壳体 2漏电而造成的安全隐患问题, 而且抗冲击能力较好, 跌落吋不容易 摔坏; 其次, 由于所述散热器 3包括固定壁 31, 所述 LED光源模块 4固定在所述固 定壁 31上, 所述固定壁 31的周缘朝所述连接头 1延伸形成有环形的延伸壁 32, 所 述延伸壁背向所述固定壁 31的一端朝所述透光罩 5方向弯折延伸形成有连接壁 33 , 所述第二壳体 22套设在所述连接壁 33上, 以使所述散热器 3固定在所述第二壳 体 22上, 所述延伸壁 32与所述连接壁 33之间形成有环形槽 34。 因而, 不仅便于 装配, 所述散热器 3与所述第二壳体 22连接稳定可靠, 而且所述第二壳体 22较好 地将所述散热器 3的热量传导出去, 避免散热不良的问题; 最后, 由于所述第一 壳体 21与所述透光罩 5扣接相连, 因而装配工艺简单, 外形平滑光洁。
以上所述仅为本发明的实施方式, 并非因此限制本发明的专利范围, 凡是利用 本发明说明书及附图内容所作的等效结构或等效流程变换, 或直接或间接运用 在其他相关的技术领域, 均同理包括在本发明的专利保护范围内。

Claims

权利要求书
[权利要求 1] 一种非定向自镇流 LED灯泡, 其包括连接头 (1) 、 壳体 (2) 、 散热 器 (3) 、 LED光源模块 (4) 及透光罩 (5) , 所述连接头 (1) 及所 述透光罩 (5) 分别位于所述壳体 (2) 的两端并与所述壳体 (2) 相 连, 所述 LED光源模块 (4) 固定在所述散热器 (3) 上, 其特征在于 : 所述壳体 (2) 包括位于所述壳体 (2) 外部的第一壳体 (21) 及插 设在所述第一壳体 (21) 内的第二壳体 (22) , 所述第一壳体 (21) 的内表面与所述第二壳体 (22) 的外表面相贴合, 所述第一壳体 (21 ) 与所述透光罩 (5) 扣接相连;
所述散热器 (3) 包括固定壁 (31) , 所述 LED光源模块 (4) 固定在 所述固定壁 (31) 上, 所述固定壁 (31) 的周缘朝所述连接头 (1) 延伸形成有环形的延伸壁 (32) , 所述延伸壁 (32) 背向所述固定壁 (31) 的一端朝所述透光罩 (5) 弯折延伸形成有连接壁 (33) , 所 述第二壳体 (22) 套设在所述连接壁 (33) 上, 以使所述散热器 (3 ) 固定在所述第二壳体 (22) 上, 所述延伸壁 (32) 与所述连接壁 ( 33) 之间形成有环形槽 (34) 。 。
[权利要求 2] 根据权利要求 1所述的非定向自镇流 LED灯泡, 其特征在于: 所述连 接头 (1) 包括用于与灯座的一个电极相连的连接柱 (11) 及用于与 所述灯座的另一个电极相连的压紧件 (12) , 所述连接柱 (11) 设置 有导线孔 (111) , 所述压紧件 (12) 的一端插入所述导线孔 (111) 内, 所述压紧件 (12) 的另一端延伸至所述连接柱 (11) 夕卜; 所述连接头 (1) 与所述 LED光源模块 (4) 之间设置有用于为所述 L ED光源模块 (4) 传输电能的导线 (6) , 所述导线 (6) 的一端夹持 在所述导线孔 (111) 的孔壁与所述压紧件 (12) 之间, 所述导线 (6 ) 的另一端与所述 LED光源模块 (4) 相连。
[权利要求 3] 根据权利要求 2所述的非定向自镇流 LED灯泡, 其特征在于: 所述压 紧件 (12) 包括柱状的插接部 (121) 及位于所述插接部 (121) —端 的限位部 (122) , 所述插接部 (121) 插设在所述导线孔 (111) 内 , 所述限位部 (122) 位于所述连接柱 (11) 外并与所述连接柱 (11 ) 相抵持以限制所述压紧件 (12) 插入所述导线孔 (111) 的深度。 根据权利要求 3所述的非定向自镇流 LED灯泡, 其特征在于: 所述压 紧件 (12) 为螺钉。
根据权利要求 3所述的非定向自镇流 LED灯泡, 其特征在于: 所述连 接柱 (11) 包括由金属材料制成的柱体 (112) 及由非金属材料制成 的隔离座 (113) , 所述柱体 (112) 的外周面设置有用于与所述灯座 相连的外螺纹, 所述隔离座 (113) 插设在所述柱体 (112) 的一端, 所述隔离座 (113) 设置有所述导线孔 (111) 。
根据权利要求 5所述的非定向自镇流 LED灯泡, 其特征在于: 所述隔 离座 (113) 背向所述透光罩 (5) 的端面处设置有凹槽 (114) 。 根据权利要求 6所述的非定向自镇流 LED灯泡, 其特征在于: 所述 LE D光源模块 (4) 包括电路板 (41) 及固定在所述电路板 (41) 上的 L ED光源 (42) , 所述电路板 (41) 固定在所述固定壁 (31) 上, 所 述 LED光源 (42) 位于所述电路板 (41) 的背向所述固定壁 (31) 的 一侧, 所述电路板 (41) 及所述固定壁 (31) 中部分别设置有位置相 对应的第一穿孔 (7) 及第二穿孔 (8) , 所述导线 (6) 背向所述连 接头 (1) 的一端穿过所述第一穿孔 (7) 及第二穿孔 (8) 并与所述 电路板 (41) 相连。
根据权利要求 7所述的非定向自镇流 LED灯泡, 其特征在于: 所述 LE D光源模块 (4) 还包括与所述 LED光源 (42) 电连接的可控硅调光 器 (43) , 所述可控硅调光器 (43) 用于在当温度大于预设值吋降低 流经所述 LED光源 (42) 的电流。
根据权利要求 7所述的非定向自镇流 LED灯泡, 其特征在于: 所述第 一壳体 (21) 的一端设置有扣接部 (212) , 所述透光罩 (5) 设置有 扣接槽 (55) , 所述扣接部 (212) 插入所述扣接槽 (55) 内以使所 述第一壳体 (21) 与所述透光罩 (5) 扣接相连在一起。
根据权利要求 9所述的非定向自镇流 LED灯泡, 其特征在于: 所述第 一壳体 (21) 包括喇叭状的第一本体 (211) , 所述第二壳体 (22) 插设在所述第一本体 (211) 内并与所述第一本体 (211) 相连, 所述 第一本体 (211) 的一端端面内周缘朝所述第一本体 (211) 的轴心线 方向延伸形成有环形的所述扣接部 (212) ;
所述透光罩 (5) 包括罩设在所述第一本体 (211) 端面处的罩体 (51 ) , 所述罩体 (51) 面向所述第一本体 (211) 的一端端面处向内延 伸形成第一连接环 (52) , 所述第一连接环 (52) 的内周缘朝所述连 接头 (1) 延伸形成有第二连接环 (53) , 所述第二连接环 (53) 的 外周面朝背离所述第二连接环 (53) 的中心方向延伸形成有第三连接 环 (54) , 所述第一连接环 (52) 、 所述第二连接环 (53) 及所述第 三连接环 (54) 之间形成有所述扣接槽 (55) 。
[权利要求 11] 根据权利要求 10所述的非定向自镇流 LED灯泡, 其特征在于: 所述第 一本体 (211) 背向所述透光罩 (5) 的一端端面朝所述第一本体 (21 1) 的中轴线方向倾斜延伸形成有环形的抵持壁 (214) , 所述第二壳 体 (22) 的背离所述透光罩 (5) 的一端端面抵持在所述抵持壁 (214 ) 上, 以阻碍所述第二壳体 (22) 朝所述连接头 (1) 运动。
[权利要求 12] 根据权利要求 11所述的非定向自镇流 LED灯泡, 其特征在于: 所述抵 持壁 (214) 背离所述第一本体 (211) 的一端朝所述连接头 (1) 延 伸形成有套接壁 (215) , 所述套接壁 (215) 面向所述连接头 (1) 的一端外周面设置有环形的连接槽 (216) , 所述连接槽 (216) 与所 述套接壁 (215) 的面向所述连接头 (1) 的一端端面相连通, 所述连 接头 (1) 插设在所述连接槽 (216) 内并与所述连接槽 (216) 的槽 壁过盈配合。
[权利要求 13] 根据权利要求 12所述的非定向自镇流 LED灯泡, 其特征在于: 所述第 一本体 (211) 与所述透光罩 (5) 相连的一端内壁面处向内凸出延续 形成有第一固定环 (213) , 所述第一固定环 (213) 的直径大于所述 第一本体 (211) 的背向所述透光罩 (5) —端的直径, 所述第一固定 环 (213) 的内周面与所述第一本体 (211) 的轴心线平行; 所述第二壳体 (22) 包括喇叭状的第二本体 (221) , 所述第二本体
(221) 面向所述连接头 (1) 的一端抵持在所述抵持壁 (214) 上, 所述第二本体 (221) 的另一端端面朝所述透光罩 (5) 延伸形成有第 二固定环 (222) , 所述第二固定环 (222) 夹持在所述第一固定环 ( 213) 与所述连接壁 (33) 之间并与所述第一固定环 (213) 及所述连 接壁 (33) 过盈配合。
[权利要求 14] 根据权利要求 13所述的非定向自镇流 LED灯泡, 其特征在于: 所述第 二本体 (221) 的整个外周面与所述第一本体 (211) 的内周面向贴合
[权利要求 15] 根据权利要求 10所述的非定向自镇流 LED灯泡, 其特征在于: 所述第 一壳体 (21) 由塑胶制成, 所述第二壳体 (22) 由铝或铝合金制成。
[权利要求 16] 根据权利要求 1所述的非定向自镇流 LED灯泡, 其特征在于: 所述散 热器为塑包铝散热件, 所述塑包铝散热件为导热塑料包覆铝材形成。
[权利要求 17] 根据权利要求 7所述的非定向自镇流 LED灯泡, 其特征在于: 所述 LE
D光源模块包括设于所述电路板上的线性恒流高压 LED驱动芯片。
[权利要求 18] 根据权利要求 1所述的非定向自镇流 LED灯泡, 其特征在于: 所述连 接头采用螺口灯头。
[权利要求 19] 根据权利要求 1所述的非定向自镇流 LED灯泡, 其特征在于: 所述透 光罩 (5) 呈蘑菇形。
[权利要求 20] 根据权利要求 7所述的非定向自镇流 LED灯泡, 其特征在于: 所述 LE
D光源 (42) 的表面设置有光学膜片 (421) , 所述光学膜片 (421) 用于将散列照射到所述光学膜片 (421) 上面的 LED点光源变成面光 源均匀射出。
PCT/CN2017/093266 2017-06-30 2017-07-18 非定向自镇流led灯泡 WO2019000507A1 (zh)

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CN211083657U (zh) * 2019-12-24 2020-07-24 苏州欧普照明有限公司 一种灯泡散热结构及led灯泡

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