CN106369365B - LED filament bulb with semicircular heat radiation ring and application thereof - Google Patents

LED filament bulb with semicircular heat radiation ring and application thereof Download PDF

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Publication number
CN106369365B
CN106369365B CN201610975434.2A CN201610975434A CN106369365B CN 106369365 B CN106369365 B CN 106369365B CN 201610975434 A CN201610975434 A CN 201610975434A CN 106369365 B CN106369365 B CN 106369365B
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China
Prior art keywords
heat radiation
bulb
led
radiation ring
led filament
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CN201610975434.2A
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Chinese (zh)
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CN106369365A (en
Inventor
张继强
张哲源
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Guizhou Guangpusen Photoelectric Co Ltd
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Guizhou Guangpusen Photoelectric Co Ltd
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Priority to CN201610975434.2A priority Critical patent/CN106369365B/en
Publication of CN106369365A publication Critical patent/CN106369365A/en
Priority to PCT/CN2017/075875 priority patent/WO2017152829A1/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/08—Lighting devices intended for fixed installation with a standard
    • F21S8/085—Lighting devices intended for fixed installation with a standard of high-built type, e.g. street light
    • F21S8/086—Lighting devices intended for fixed installation with a standard of high-built type, e.g. street light with lighting device attached sideways of the standard, e.g. for roads and highways
    • 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
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/104—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening using feather joints, e.g. tongues and grooves, with or without friction
    • 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
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/12—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by screwing
    • 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
    • F21V19/0015—Fastening arrangements intended to retain light sources
    • 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
    • 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
    • F21V29/503—Cooling arrangements characterised by the adaptation for cooling of specific components of light sources
    • 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
    • F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • F21V29/77—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/10—Outdoor lighting
    • F21W2131/103—Outdoor lighting of streets or roads

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Abstract

The invention discloses an LED filament bulb with semicircular heat radiation rings, which comprises a lamp cap assembly 2 with a driving assembly 3, wherein the lamp cap assembly 2 is connected to a bulb shell 6, a heat radiation ring 5.3 with a semicircular section is arranged in the bulb shell 6, an LED luminous assembly 1 is arranged on the heat radiation ring 5.3, the LED luminous assembly 1 consists of a plurality of LED filament assemblies, each LED filament assembly comprises a plurality of LED filaments with electric connection terminals at two ends, and the electric connection terminals at two ends of each LED filament are respectively connected with two heat-conducting and electric-conducting terminal brackets; a wire support 4.1 is arranged in the bulb shell 6, and a plurality of electric connecting wires 4.2 connected with the driving component 3 are arranged on the wire support 4.1; the electrical connection lead 4.2 is connected to the LED lighting assembly 1. The invention realizes the replaceable and standardized independent LED electric light source, improves the light emitting efficiency compared with an integrated LED lamp assembly, can run in a sealed lampshade due to the radiation heat dissipation principle, and can realize the independent LED electric light source with higher power.

Description

LED filament bulb with semicircular heat radiation ring and application thereof
Technical Field
The invention relates to an LED filament bulb with a semicircular heat radiation ring and application thereof, and belongs to the technical field of LED illumination.
Background
The current LED illumination focuses the industrial gravity center on an LED chip, and after the LED chip is obtained, middle and downstream enterprises need to design packaging, driving, optics, heat dissipation, lamp structures and the like, so that the mode of the current whole LED illumination industry, particularly high-power illumination and integrated LED lamp assembly is finally formed. This assembly model has six major systematic drawbacks, (1) lack of universal interchangeable standardized light sources at the application level, and the end lighting assembly product exhibits a plethora of individual features. (2) The LED chip centering is not the preferred architecture for LED lighting at the industrial architecture level, resulting in a great deal of complexity and uncertainty in the design and production of the lighting application. (3) The industrial process is lack of production or product links linking the semiconductor industry and the lighting industry. (4) Perfect standardized management cannot be realized on the standardized level, and because the integrated LED lamp assembly mode is out of the basic idea of the traditional electric light source, the standardized management needs an alternative system. (5) The industry is unable to support the existence of super enterprises due to the lack of intermediate or end products with an extremely large industrial concentration at the manufacturing level. (6) The core technology is lacking in the intellectual property layer, and the key technology in the industry chain is mostly mastered by foreign companies.
Disclosure of Invention
The invention aims to provide an LED filament bulb with a semicircular heat radiation ring and application thereof. The bulb is a replaceable or universal bulb, can directly replace a traditional electric light source without replacing a lamp, and can realize seamless transition between traditional illumination and LED illumination. The system defects or problems existing in the existing integral LED lamp assembly mode can be overcome or solved. The invention can realize replaceable and standardized independent bulbs (electric light sources), can improve the light-emitting efficiency, can operate in a sealed lampshade, can realize the independent electric light sources (bulbs) with higher power, and is more convenient to assemble in structure and more stable and firm in structure.
The technical scheme of the invention is as follows: an LED filament bulb with a semicircular heat radiation ring is characterized in that: the LED lamp comprises a lamp cap assembly with a driving assembly, wherein the lamp cap assembly is connected to a bulb shell, a heat radiation ring with a semicircular section is arranged in the bulb shell, an LED luminous assembly is arranged on the heat radiation ring, the LED luminous assembly consists of a plurality of LED filament assemblies, each LED filament assembly comprises a plurality of LED filaments with electric connection terminals at two ends, and the electric connection terminals at two ends of each LED filament are respectively connected with two heat-conducting and electric-conducting terminal brackets; a wire support is arranged in the bulb shell, and a plurality of electric connecting wires connected with the driving assembly are arranged on the wire support; the electric connection wire is connected with the LED luminous component.
In the LED filament bulb with the semicircular heat radiation ring, the heat radiation ring is an extrusion profile; the convex surface of the heat radiation ring is tightly attached to the bulb shell, the distance between the convex surface of the heat radiation ring and the bulb shell is reduced as far as possible, and fins for increasing the heat uniformity and the heat radiation area are arranged. The bulb shell is of a tubular structure, and the inside of the bulb shell is filled with heat conducting gas; the terminal brackets of the LED luminous assemblies are fixed on the heat radiation ring through fixing screws. The heat radiation ring consists of a plurality of groups of blocks which are fixed by tensioning a pull rod with threads at two ends, radiation ring insulating spacers are arranged between the blocks, and the cross section of the heat radiation ring is internally provided with a through hole for electrically connecting a wire and a through hole for the pull rod; the segments of each heat radiation ring are respectively connected to the wire support through the electric connecting wires with gaskets, and screw holes and threading notches are formed in each segment so as to be convenient for fixing and penetrating through the electric connecting wires.
In the LED filament bulb with a semicircular heat radiation ring, the first form of the LED light emitting assembly: the LED lamp comprises two luminous surfaces which are formed by arranging a plurality of groups of LED filament assemblies side by side, wherein one edge of the two luminous surfaces is respectively fixed on two side edges of a heat radiation ring, and the other edge is fixed on the central line of the inner surface of the heat radiation ring; the terminal bracket of the LED filament component on each luminous surface is fixed on the heat radiation ring through fixing screws.
In the LED filament bulb with a semicircular heat radiation ring, the second form of the LED light emitting assembly: the LED bulb comprises two luminous surfaces which are formed by arranging a plurality of groups of LED filament assemblies side by side, wherein one edge of the two luminous surfaces is respectively fixed on two side edges of a heat radiation ring, the other edge is fixed on a strip-shaped heat radiation bracket, and the heat radiation bracket is tightly attached to the inner surface of the bulb shell opposite to the concave surface of the heat radiation ring; the terminal bracket of the LED filament component on each luminous surface is fixed with the heat radiation ring and the heat radiation bracket through fixing screws.
In the LED filament bulb with a semicircular heat radiation ring, the third form of the LED light emitting assembly: the LED lamp filament assembly comprises a plurality of groups of LED lamp filament assemblies which are arranged side by side, and terminal brackets at two ends of each group of LED lamp filament assemblies are respectively fixed on two sides of a heat radiation ring through fixing screws.
In the LED filament bulb with the semicircular heat radiation ring, aiming at the first form of the LED light-emitting component, the LED light-emitting component is provided with a plurality of sections of fixed pressing strips at the central line position of the inner surface of the heat radiation ring, and an insulating heat-conducting isolation strip is arranged between the fixed pressing strips and the inner surface of the heat radiation ring; each group of fixed pressing strips are communicated with two groups of adjacent LED filament assemblies, and each heat radiation ring is divided into blocks which are also communicated with two groups of adjacent LED filament assemblies, so that the fixed pressing strips and the heat radiation rings are divided into blocks to enable the LED filament assemblies of each luminous surface to be connected in series end to form a series group.
In the LED filament bulb with the semicircular heat radiation ring, the heat radiation bracket is also composed of a plurality of groups of component blocks aiming at the second form of the LED luminous component; the blocks of each group of heat radiation support are communicated with two groups of adjacent LED filament assemblies, the blocks of each heat radiation ring are also communicated with two groups of adjacent LED filament assemblies, and the blocks of the heat radiation support and the heat radiation ring enable the groups of LED filament assemblies of each luminous surface to be connected in series end to form a series group.
In the LED filament bulb with the semicircular heat radiation ring, aiming at the third form of the LED light-emitting component, an insulating heat conduction isolation strip is arranged between one side of the LED light-emitting component and the heat radiation ring, and a plurality of conduction connecting pieces for communicating two adjacent groups of LED filament components are arranged; the blocks of each heat radiation ring are also communicated with two groups of adjacent LED filament assemblies, and the conducting connecting piece and the blocks of the heat radiation rings enable the LED filament assemblies of the LED luminous assemblies to be connected in series end to form a series group.
In the LED filament bulb with the semicircular heat radiation ring, triangular supporting frames are arranged at two ends of the LED light-emitting component, and a heat pipe is connected between the heat radiation support and the heat radiation ring.
The outer side of the pull rod with threads at the two ends is coated with an insulating tube.
The outer surface of the heat radiation ring is provided with a black coating layer, and the inner surface is provided with a reflecting mirror surface.
The two ends of the heat radiation ring are respectively provided with a circular inner fixing end cover, and a light-emitting component fixing bracket is arranged in a concave surface of one side of the heat radiation ring, which is close to the lamp cap component. The fixing support is connected with the wire support through a metal support or an isolation support with a ring, and a fixing screw for fixing the heat radiation ring and the inner fixing end cover together is arranged on the fixing support of the luminous component.
In the LED filament bulb with the semicircular heat radiation ring, the bulb shell is formed by butt joint of the bulb upper section and the bulb lower section with the closing-in, the butt joint is positioned close to the lamp cap assembly, the butt joint is provided with a fixing structure for clamping the inner fixing end cover or the heat radiation ring, and the butt joint is coated with the decorative ring; the lamp holder assembly comprises a lamp holder support for accommodating the driving assembly, the lamp holder support comprises a cladding fixed section for cladding one end of the lower section of the bulb with a closing-in opening and a threaded section with external threads, a fixing nut is arranged on the threaded section, a male connector with threads is arranged at the end part of the threaded section, and internal threads matched with the lower section of the bulb are arranged inside the lamp holder support. The bulb shell is divided into 2 sections on a straight section close to the closing opening, namely an upper section and a lower section of the bulb, after all parts in the bulb are in place, butt welding, ultrasonic welding or bonding is adopted after the upper section and the lower section of the bulb are butted, an inner fixing end cover or a heat radiation ring is clamped at the joint to prevent movement, so that the fixing function is achieved, and then a decorative ring cover is arranged at the joint. When bonding is adopted, the inner diameter of the upper section of the bulb is the outer diameter of the lower section of the bulb, and for facilitating bonding, the lower section of the bulb is inserted into the upper section of the bulb for a certain length; or a connecting transition ring is adopted, and the upper section and the lower section of the bulb are respectively inserted into the connecting transition ring. The lamp holder support of the lamp holder assembly is provided with a positioning groove and internal threads are arranged inside the threaded section of the lamp holder support. The closing-in position of the bulb shell is provided with 1-2 circles of threads and is connected with the internal threads of the lamp holder bracket.
The application of the LED filament bulb with the semicircular heat radiation ring is characterized in that: the LED filament bulb with the semicircular heat radiation ring is used for replacing a high-pressure sodium lamp tube in the existing high-pressure sodium lamp street lamp structure, so that the upgrading of the existing high-pressure sodium lamp street lamp structure is completed; the lamp body is provided with a lamp body upper cover, a ballast and a reflecting shade with a lamp tube fixing bracket are arranged in the lamp body, a high-pressure sodium lamp tube is arranged in the reflecting shade, and a sodium lamp holder bracket of the high-pressure sodium lamp tube is fixed on the lamp tube fixing bracket.
In the application of the LED filament bulb with the semicircular heat radiation ring, the specific method for replacing the high-voltage sodium lamp tube in the existing high-voltage sodium lamp street lamp structure by using the LED filament bulb with the semicircular heat radiation ring is as follows: removing the existing high-pressure sodium lamp tube, ballast and reflector, and using a reflector with a bulb placing hole at the top, wherein the LED filament bulb with the semicircular heat radiation ring is fixed on an LED bulb positioning and fixing hole additionally formed on the side surface of the reflector; or a reflector with a bulb placing hole on the side surface is used, the LED filament bulb with the semicircular heat radiation ring is placed into the reflector from the bulb placing hole, the lamp cap component of the LED filament bulb with the semicircular heat radiation ring is fixed on the LED bulb positioning and mounting interface bracket at the bulb placing hole, a buffer ring is arranged between the LED filament bulb with the semicircular heat radiation ring and the LED bulb positioning and mounting interface bracket, and the LED filament bulb with the semicircular heat radiation ring is connected with the lighting controller or the lightning protection controller with the electric connector.
In the application of the LED filament bulb with a semicircular heat radiation ring, another specific method for replacing the high-voltage sodium lamp tube in the existing high-voltage sodium lamp street lamp structure by using the LED filament bulb with the semicircular heat radiation ring is as follows: only a lamp post in the existing high-pressure sodium lamp street lamp structure is reserved, then a lamp housing upper cover and an LED bulb positioning and mounting interface bracket are mounted on the lamp post, and a lamp cap assembly of an LED filament bulb with a semicircular heat radiation ring is fixed on the LED bulb positioning and mounting interface bracket; the LED filament bulb with the semicircular heat radiation ring is connected with a lighting controller or a lightning protection controller with a power connector.
Compared with the prior art, the LED bulb has the advantages that the heat radiation ring with the semicircular section is used as the fixing carrier of the LED luminous component, so that the LED luminous component is assembled in the bulb shell, the heat radiation efficiency in the bulb shell can be improved to a great extent, the junction temperature of a chip on an LED is reduced, and the LED bulb can effectively realize high power. On the other hand, when the LED bulb is applied to upgrading and reforming of a high-voltage sodium lamp street lamp structure, the high-voltage sodium lamp tube can be directly replaced, the requirement of street lamps on illumination power can be met, and excessive other components are not required to be reformed or added, so that the difficulty and cost of upgrading and reforming are relatively low, and the LED bulb is convenient to popularize and implement.
Drawings
FIG. 1 is a schematic diagram of an explosive structure of example 1;
FIG. 2 is a schematic diagram of the assembled structure of FIG. 1;
fig. 3 is a schematic structural view of embodiment 2;
FIG. 4 is a schematic diagram of the explosive structure of example 3;
FIG. 5 is a schematic view of the assembled structure of FIG. 4;
FIG. 6 is a schematic diagram of a prior art high-voltage sodium vapor lamp street lamp;
FIG. 7 is a schematic diagram of an upgrade scheme of a first high-voltage sodium vapor lamp street lamp structure of the present invention;
FIG. 8 is a schematic diagram of a street lamp employing a reflector with a bulb hole at the top;
FIG. 9 is a schematic view of a street lamp employing a reflector with a bulb receiving opening on a side thereof;
FIG. 10 is a schematic diagram of a second embodiment of the present invention for upgrading the structure of a high-voltage sodium vapor lamp street lamp;
FIG. 11 is a schematic view of the assembled structure of FIG. 12;
FIG. 12 is a schematic view of the construction of a lamp head assembly;
FIG. 13 is a schematic view of the inside construction of the lamp head assembly;
fig. 14 is a schematic overall outline of the bulb.
The reference symbols in the drawings: 1-LED lighting assembly, 2-lamp head assembly, 2.5-lamp head support, 2.6-threaded connector male head, 2.7-pin, 2.8-positioning slot, 2.9-fixing nut, 2.10-internal thread, 3-driving assembly, 4.1-wire support, 4.2-electrical connection wire, 5.1-heat radiation support, 5.3-heat radiation ring, 5.31-reflecting mirror surface, 5.32-radiation black body surface, 6-bulb shell, 6.1-bulb shell upper section, 6.2-bulb shell lower section, 6.3-decorative ring, 7.1-internal fixing end cap, 7.10-LOGO representation site, 7.15-fixing support, 7.16-heat pipe, 7.17-radiation ring insulating spacer, 7.3-fixing screw, 7.32-insulating washer, 7.4-fixing bead, 7.5-insulating heat conduction spacer, 7.8-pull rod with threaded ends, 7.81-insulating tube, 7.9-isolation strut, 7.10-LOGO representation, 7.15-fixed support, 7.16-heat pipe, 7.17-radiation ring insulating spacer, 8-facula distributor, 101.1-lamp housing main body, 101.2-lamp housing upper cover, 101.3-lamp housing catch, 101.4-glass cover, waterproof glue ring, 102-LED filament bulb with semicircular heat radiation ring, 102.1-high voltage sodium lamp tube, 102.2-sodium lamp cap support, 102.3-connecting wire, connecting wire of 102.4-charged connector, 102.5-sodium lamp fixed support, 102.6-LED bulb positioning and mounting interface support, 102.7-buffer ring, 104-reflector, 104.1-reflector fixed screw set, 104.2-LED bulb put into hole, 104.3-LED bulb positioning fixing holes, 105-lighting controllers or lightning protection controllers with electric connectors, 106-ballasts, 106.1-binding posts, 106.2-ballast supporting plates and fixing screws, 108-lamp posts, 109-mounting fixing bolts and 116-lamp post fixing rings.
Detailed Description
The invention is further illustrated by the following figures and examples, which are not intended to be limiting.
Example 1. An LED filament bulb with semicircular heat radiation ring, as shown in fig. 1 and 2: the LED lamp comprises a lamp cap assembly 2 with a driving assembly 3, wherein the lamp cap assembly 2 is connected to a bulb shell 6, a heat radiation ring 5.3 with a semicircular section is arranged in the bulb shell 6, an LED luminous assembly 1 is arranged on the heat radiation ring 5.3, the LED luminous assembly 1 consists of a plurality of LED filament assemblies, each LED filament assembly comprises a plurality of LED filaments with electric connection terminals at two ends, and the electric connection terminals at two ends of each LED filament are respectively connected with two heat-conducting and electric-conducting terminal brackets; a wire support 4.1 is arranged in the bulb shell 6, and a plurality of electric connecting wires 4.2 connected with the driving component 3 are arranged on the wire support 4.1; the electrical connection lead 4.2 is connected to the LED lighting assembly 1. The heat radiation ring 5.3 is an extrusion profile; the convex surface of the heat radiation ring 5.3 is closely attached to the bulb 6, the distance to the bulb 6 is reduced as much as possible, and fins are provided to increase the heat uniformity and heat radiation area. The bulb shell 6 is of a tubular structure, and the inside of the bulb shell is filled with heat conducting gas; the heat radiation ring 5.3 consists of a plurality of groups of blocks which are fixed by tightening through pull rods 7.8 with threads at two ends, radiation ring insulating spacers 7.17 are arranged between the blocks, and the cross section of the heat radiation ring 5.3 is internally provided with a through hole for electrically connecting a wire and a through hole for the pull rods 7.8; the terminal brackets of the LED luminous assembly 1 are all fixed on the heat radiation ring 5.3 through fixing screws 7.3. The LED light-emitting assembly 1 comprises two light-emitting surfaces which are formed by arranging a plurality of groups of LED filament assemblies side by side, one edge of the two light-emitting surfaces is respectively fixed on two side edges of the heat radiation ring 5.3, and the other edge is fixed on the central line of the inner surface of the heat radiation ring 5.3; the terminal holders of the LED filament assemblies on each light emitting surface are fixed to the heat radiating ring 5.3 by means of fixing screws 7.3. The LED luminous assembly 1 is provided with a plurality of sections of fixing pressing strips 7.4 at the central line of the inner surface of the heat radiation ring 5.3, and an insulating heat conduction isolation strip 7.5 is arranged between the fixing pressing strips 7.4 and the inner surface of the heat radiation ring 5.3; each group of fixing pressing strips 7.4 is communicated with two groups of adjacent LED filament assemblies, and the blocks of each heat radiation ring 5.3 are also communicated with two groups of adjacent LED filament assemblies, so that the blocks of the fixing pressing strips 7.4 and the heat radiation rings 5.3 enable the groups (6 groups in the figure) of LED filament assemblies of each luminous surface to be connected in series end to end. The bulb shell 6 is formed by butt joint of a bulb upper section 6.1 and a bulb lower section 6.2 with a closing-in, the butt joint is positioned close to the lamp cap assembly 2, and the butt joint is covered with a decorative ring 6.3; as shown in fig. 14; the lamp holder assembly 2 is shown in fig. 12 and 13, and comprises a lamp holder support 2.5 for accommodating the driving assembly 3, wherein the lamp holder support 2.5 comprises a cladding fixed section for cladding the lower section 6.2 of the bulb and having one end with a closing-in, and a threaded section with external threads, a fixing nut 2.9 is arranged on the threaded section, a male connector 2.6 with threads is arranged at the end part of the threaded section, and an internal thread 2.10 matched with the lower section 6.2 of the bulb is arranged inside the lamp holder support 2.5. The fixing support 7.15 is connected with the wire support 4.1 through a metal support or isolation support 7.9 with a ring, and the fixing screw 7.3 for fixing the heat radiation ring 5.3 and the inner fixing end cover 7.1 together is arranged on the fixing support 7.15 of the luminous component.
Example 2. An LED filament bulb with semicircular heat radiation ring, as shown in fig. 3: the LED lamp comprises a lamp cap assembly 2 with a driving assembly 3, wherein the lamp cap assembly 2 is connected to a bulb shell 6, a heat radiation ring 5.3 with a semicircular section is arranged in the bulb shell 6, an LED luminous assembly 1 is arranged on the heat radiation ring 5.3, the LED luminous assembly 1 consists of a plurality of LED filament assemblies, each LED filament assembly comprises a plurality of LED filaments with electric connection terminals at two ends, and the electric connection terminals at two ends of each LED filament are respectively connected with two heat-conducting and electric-conducting terminal brackets; a wire support 4.1 is arranged in the bulb shell 6, and a plurality of electric connecting wires 4.2 connected with the driving component 3 are arranged on the wire support 4.1; the electrical connection lead 4.2 is connected to the LED lighting assembly 1. The heat radiation ring 5.3 is an extrusion profile; the convex surface of the heat radiation ring 5.3 is closely attached to the bulb 6, the distance to the bulb 6 is reduced as much as possible, and fins are provided to increase the heat uniformity and heat radiation area. The bulb shell 6 is of a tubular structure, and the inside of the bulb shell is filled with heat conducting gas; the heat radiation ring 5.3 consists of a plurality of groups of blocks which are fixed by tightening through pull rods 7.8 with threads at two ends, radiation ring insulating spacers 7.17 are arranged between the blocks, and the cross section of the heat radiation ring 5.3 is internally provided with a through hole for electrically connecting a wire and a through hole for the pull rods 7.8; the terminal brackets of the LED luminous assembly 1 are all fixed on the heat radiation ring 5.3 through fixing screws 7.3. The LED light-emitting assembly 1 comprises two light-emitting surfaces which are formed by arranging a plurality of groups of LED filament assemblies side by side, one edge of the two light-emitting surfaces is respectively fixed on two side edges of the heat radiation ring 5.3, the other edge is fixed on a strip-shaped heat radiation bracket 5.1, and the heat radiation bracket 5.1 is tightly attached to the inner surface of the bulb shell 6 opposite to the concave surface of the heat radiation ring 5.3; the terminal support of the LED filament assembly on each luminous surface is fixed with the heat radiation ring 5.3 and the heat radiation support 5.1 through fixing screws 7.3. The heat radiation support 5.1 is also composed of a plurality of component blocks; the blocks of each group of heat radiation support 5.1 are communicated with two groups of adjacent LED filament assemblies, the blocks of each heat radiation ring 5.3 are also communicated with two groups of adjacent LED filament assemblies, and the blocks of the heat radiation support 5.1 and the heat radiation ring 5.3 enable the groups (6 groups in the figure) of LED filament assemblies of each light emitting surface to be connected in series end to end. Triangular supporting frames are arranged at two ends of the LED luminous component 1, and a heat pipe 7.16 is connected between the heat radiation support 5.1 and the heat radiation ring 5.3. The bulb shell 6 is formed by butt joint of a bulb upper section 6.1 and a bulb lower section 6.2 with a closing-in, the butt joint is positioned close to the lamp cap assembly 2, and the butt joint is covered with a decorative ring 6.3; as shown in fig. 14; the lamp holder assembly 2 is shown in fig. 12 and 13, and comprises a lamp holder support 2.5 for accommodating the driving assembly 3, wherein the lamp holder support 2.5 comprises a cladding fixed section for cladding the lower section 6.2 of the bulb and having one end with a closing-in, and a threaded section with external threads, a fixing nut 2.9 is arranged on the threaded section, a male connector 2.6 with threads is arranged at the end part of the threaded section, and an internal thread 2.10 matched with the lower section 6.2 of the bulb is arranged inside the lamp holder support 2.5. The fixing support 7.15 is connected with the wire support 4.1 through a metal support or isolation support 7.9 with a ring, and the fixing screw 7.3 for fixing the heat radiation ring 5.3 and the inner fixing end cover 7.1 together is arranged on the fixing support 7.15 of the luminous component.
Example 3. An LED filament bulb with semicircular heat radiation ring, as shown in fig. 4 and 5: the LED lamp comprises a lamp cap assembly 2 with a driving assembly 3, wherein the lamp cap assembly 2 is connected to a bulb shell 6, a heat radiation ring 5.3 with a semicircular section is arranged in the bulb shell 6, an LED luminous assembly 1 is arranged on the heat radiation ring 5.3, the LED luminous assembly 1 consists of a plurality of LED filament assemblies, each LED filament assembly comprises a plurality of LED filaments with electric connection terminals at two ends, and the electric connection terminals at two ends of each LED filament are respectively connected with two heat-conducting and electric-conducting terminal brackets; a wire support 4.1 is arranged in the bulb shell 6, and a plurality of electric connecting wires 4.2 connected with the driving component 3 are arranged on the wire support 4.1; the electrical connection lead 4.2 is connected to the LED lighting assembly 1. The heat radiation ring 5.3 is an extrusion profile; the convex surface of the heat radiation ring 5.3 is in close contact with the bulb 6, the distance to the bulb 6 is reduced as much as possible, and fins are provided to increase the heat uniformity and heat radiation area. The bulb shell 6 is of a tubular structure, and the inside of the bulb shell is filled with heat conducting gas; the heat radiation ring 5.3 consists of a plurality of groups of blocks which are fixed by tightening through pull rods 7.8 with threads at two ends, radiation ring insulating spacers 7.17 are arranged between the blocks, and the cross section of the heat radiation ring 5.3 is internally provided with a through hole for electrically connecting a wire and a through hole for the pull rods 7.8; the terminal brackets of the LED luminous assembly 1 are all fixed on the heat radiation ring 5.3 through fixing screws 7.3. The LED light-emitting component 1 comprises a plurality of groups of LED filament components which are arranged side by side, and terminal brackets at two ends of each group of LED filament components are respectively fixed on two side edges of the heat radiation ring 5.3 through fixing screws 7.3. An insulating heat conduction isolation strip 7.5 is arranged between one side of the LED light-emitting component 1 and the heat radiation ring 5.3, and a plurality of conducting connectors for communicating two adjacent groups of LED filament components are arranged; the blocks of each heat radiation ring 5.3 are also communicated with two groups of adjacent LED filament assemblies, and the conducting connecting piece and the blocks of the heat radiation rings 5.3 enable the LED filament assemblies of a plurality of groups (6 groups in the figure) of the LED luminous assemblies 1 to be connected in series end to form a series group. The bulb shell 6 is formed by butt joint of a bulb upper section 6.1 and a bulb lower section 6.2 with a closing-in, the butt joint is positioned close to the lamp cap assembly 2, and the butt joint is covered with a decorative ring 6.3; as shown in fig. 14; the lamp holder assembly 2 is shown in fig. 12 and 13, and comprises a lamp holder support 2.5 for accommodating the driving assembly 3, wherein the lamp holder support 2.5 comprises a cladding fixed section for cladding the lower section 6.2 of the bulb and having one end with a closing-in, and a threaded section with external threads, a fixing nut 2.9 is arranged on the threaded section, a male connector 2.6 with threads is arranged at the end part of the threaded section, and an internal thread 2.10 matched with the lower section 6.2 of the bulb is arranged inside the lamp holder support 2.5. The fixing support 7.15 is connected with the wire support 4.1 through a metal support or isolation support 7.9 with a ring, and the fixing screw 7.3 for fixing the heat radiation ring 5.3 and the inner fixing end cover 7.1 together is arranged on the fixing support 7.15 of the luminous component.
The principle of the invention is explained:
all LED lighting lamps have a relatively large heat sink and drive power supply. To realize an independent electric light source of 20-100W, the conventional LED illumination design thought is obviously unrealizable. The larger drive power supply is removed first, and then the larger heat sink is removed. The driving power supply is manufactured based on the method of Chinese patent application with application numbers 201410211945.8 and 201410214074.5 of the inventor, the volume of the driving power supply can be reduced into a lamp holder of an electric light source, such as an E40 or E27 screw lamp holder, and the problem of placing the driving power supply has been successfully solved.
The remaining problem is how to eliminate the bulky heat sink is a key point of the present invention. According to the heat dissipation theory, three ways of heat dissipation are realized, (1) heat convection, (2) heat conduction and (3) heat radiation. The heat sink is the main device for realizing heat convection, which is the basis of all the current LED illumination heat dissipation designs. However, the replaceable and standardized independent electric light source is not enough, and the independent electric light source often works in a closed space such as a lampshade, and the convective heat dissipation which plays a leading role is ineffective.
One can feel warm sunlight in the window, while the window glass is not hot, which is the radiation of heat rays (visible light waves and infrared light waves); the warm sunshine in winter is taken into the vegetable greenhouse, so that the temperature in the greenhouse is increased, the spring in the greenhouse is very much, the temperature in the greenhouse is not dissipated outside the cold greenhouse, the radiation of heat rays is also generated, the heat rays of the sunshine can penetrate through the greenhouse, and far infrared rays formed by indoor temperature rise cannot penetrate through the greenhouse. The invention introduces the principle of heat radiation, namely, (1) transmission, (2) reflection and (3) absorption of heat rays. In the design of an electric light source (bulb), light is transmitted out of a bulb shell as far as possible, and energy is emitted out of the bulb; the bulb component which can not transmit heat rays is designed for a reflecting surface, so that reflected light is reflected to pass through the bulb shell again; the portion of the heat radiator assembly which cannot reflect or transmit heat rays is coated with a black heat conductive material, so that the whole bulb assembly improves the ability of external heat radiation. The ability to radiate heat depends on the area and temperature of the heat radiating body (proportional to the 4.2-th square of the temperature). Compared with the temperature of an LED chip, the temperature of the whole bulb assembly is increased, the luminous assembly is tightly attached to the heat radiation ring, the heat radiation ring is as close to the bulb shell as possible, and the bulb shell adopts a tubular structure, so that the bulb shell can be used for supporting the internal assembly, particularly a high-power bulb, and on the other hand, the heat on the heat radiation assembly is transferred to the bulb shell. The LED electric light source (bulb) is filled with heat conducting gas, so that heat on the light emitting component is quickly soaked by the heat radiating components such as the heat radiating ring, the temperature of the whole bulb including the bulb shell is quickly raised to a controllable (design) temperature, and the temperature difference between an LED chip on the light emitting component and surrounding heat radiating components is reduced as much as possible. In order to improve the radiation area, a transparent glass shell is selected as the best, through experiments, the glass shell has strong capability of transmitting visible light waves and infrared light waves, and meanwhile, the relative area of the glass shell is larger, and the invention has the important effects that the inner area and the outer area of the glass shell are effective when the radiation is carried out outwards, and the radiation capability of an electric light source (bulb) is greatly improved when the temperature of the glass shell is improved; another important effect of the invention is that the excellent insulating material of the glass makes the whole bulb realize high-efficiency insulation, thereby easily reaching various safety standard requirements worldwide. All parts such as a heat radiation ring, a heat radiation bracket, a bulb shell and the like of the bulb form a heat radiation assembly, which is another key link of successful heat radiation design, and the area of the heat radiation assembly is closely related to the power of the bulb. The present invention successfully eliminates the traditional large-volume convection radiator through the design.
The invention has the important effect that the directional lighting, namely the directional electric light source (directional bulb) is realized on the bulb, and controllable balanced light spots can be realized through the light distributor 8; furthermore, the lamp cap assembly 2 improved by the invention ensures that the bulb has ultrahigh protective performance on the premise of low cost, and water is not easy to enter even if the bulb is placed in water. The lamp is very beneficial to improving the actual lighting efficiency of the lamp, improving the energy-saving effect, expanding the application range of the lamp, reducing the complexity of the lamp and reducing the manufacturing cost of the lamp.
At another angle, the light emitting device is mounted inside the bulb, and the invention is suitable no matter how the light emitting device is advanced, or the LED or others, as long as the light emitting efficiency is not 100% as long as the light emitting efficiency is a cold light source.
The application of the LED filament bulb with the semicircular heat radiation ring in the above embodiments: the LED filament bulb with the semicircular heat radiation ring is used for replacing a high-pressure sodium lamp tube in the existing high-pressure sodium lamp structure, so that the upgrading of the existing high-pressure sodium lamp structure is completed; the existing high-voltage sodium lamp structure comprises a lamp body main body 101.1 fixed on a lamp post 108, a lamp body upper cover 101.2 is arranged on the lamp body main body 101.1, a ballast 106 and a reflecting cover 104 with a lamp tube fixing support 102.5 are arranged in the lamp body main body 101.1, a high-voltage sodium lamp tube 102.1 is arranged in the reflecting cover 104, and a sodium lamp cap support 102.2 of the high-voltage sodium lamp tube 102.1 is fixed on the lamp tube fixing support 102.5, as shown in fig. 6.
One specific method for replacing the high-voltage sodium lamp tube in the existing high-voltage sodium lamp structure by using the LED filament bulb with the semicircular heat radiation ring is as follows: removing the existing high-voltage sodium lamp tube 102.1, ballast 106 and reflector 104, and using a reflector 104 with a bulb placing hole 104.2 at the top, wherein the LED filament bulb 102 with a semicircular heat radiation ring is fixed on an LED bulb positioning and fixing hole 104.3 additionally formed on the side surface of the reflector 104, as shown in FIG. 8; or the reflector 104 with the bulb placing hole 104.2 on the side is used, as shown in fig. 9, the LED filament bulb 102 with the semicircular heat radiation ring is placed into the reflector 104 from the bulb placing hole 104.2, the lamp cap assembly 2.9 of the LED filament bulb 102 with the semicircular heat radiation ring is fixed on the LED bulb positioning and mounting interface bracket 102.6 at the bulb placing hole 104.2, the buffer ring 102.7 is arranged between the LED filament bulb 102 with the semicircular heat radiation ring and the LED bulb positioning and mounting interface bracket 102.6, and the LED filament bulb 102 with the semicircular heat radiation ring is connected with the lighting controller or the lightning protection controller 105 with the electric connector.
Another specific method for replacing the high-voltage sodium lamp tube in the existing high-voltage sodium lamp structure by using the LED filament bulb with the semicircular heat radiation ring is as follows: only a lamp post 108 in the existing high-voltage sodium lamp street lamp structure is reserved, then a lamp housing upper cover 101.2 and an LED bulb positioning and mounting interface bracket 102.6 are mounted on the lamp post 108, and a lamp cap assembly of an LED filament bulb 102 with a semicircular heat radiation ring is fixed on the LED bulb positioning and mounting interface bracket 102.6; the LED filament bulb 102 with semicircular heat radiation ring is connected to an illumination controller or lightning protection controller 105 with electrical connectors.
The lamp cap assembly 2 may be based on the present inventor's chinese patent application No. 201210253574.0. The driving component can be a driving power supply manufactured based on the methods of the Chinese patent application No. 201410211945.8 and 201410214074.5 of the inventor, the LED load is driven by 6 sections, the higher power efficiency can be obtained by more than 99 percent, and the driving power supply can be placed in the lamp cap component only when the power of the LED bulb is higher, so that the unstable power supply work caused by overheat cannot occur. Otherwise, when the power of the bulb is larger, the lamp cap assembly cannot dissipate heat emitted by the driving power supply outwards; based on the power supply scheme, the LED bulb constructed by the invention has the dimming function with low cost or without cost.

Claims (12)

1. An LED filament bulb with a semicircular heat radiation ring is characterized in that: the LED lamp comprises a lamp cap assembly (2) with a driving assembly (3), wherein the lamp cap assembly (2) is connected to a bulb shell (6), a heat radiation ring (5.3) with a semicircular section is arranged in the bulb shell (6), an LED luminous assembly (1) is arranged on the heat radiation ring (5.3), the LED luminous assembly (1) consists of a plurality of LED filament assemblies, each LED filament assembly comprises a plurality of LED filaments with electric connection terminals at two ends, and the electric connection terminals at two ends of each LED filament are respectively connected with two heat-conducting and electric-conducting terminal brackets; a wire support (4.1) is arranged in the bulb shell (6), and a plurality of electric connecting wires (4.2) connected with the driving component (3) are arranged on the wire support (4.1); the electric connecting wire (4.2) is connected with the LED luminous component (1); the heat radiation ring (5.3) is an extrusion profile; the convex surface of the heat radiation ring (5.3) is tightly attached to the bulb shell (6), the distance between the convex surface of the heat radiation ring and the bulb shell (6) is reduced as much as possible, and fins for increasing the heat radiation area are arranged on the convex surface of the heat radiation ring (5.3); the bulb shell (6) is of a tubular structure, and the inside of the bulb shell is filled with heat conducting gas; the heat radiation ring (5.3) is composed of a plurality of groups of blocks which are fixed by tightening through pull rods (7.8) with threads at two ends, radiation ring insulating spacers (7.17) are arranged between the blocks, and the cross section of the heat radiation ring (5.3) is internally provided with a through hole for electrically connecting a wire and a through hole for the pull rods (7.8); the terminal brackets of the LED luminous component (1) are fixed on the heat radiation ring (5.3) through fixing screws (7.3); the segments of each heat radiation ring (5.3) are also communicated with two groups of adjacent LED filament assemblies.
2. The LED filament bulb with semicircular heat radiation ring according to claim 1, wherein: the LED light-emitting assembly (1) comprises two light-emitting surfaces which are formed by arranging a plurality of groups of LED filament assemblies side by side, one edge of the two light-emitting surfaces is respectively fixed on two side edges of the heat radiation ring (5.3), and the other edge is fixed on the central line of the inner surface of the heat radiation ring (5.3); the terminal support of the LED filament component on each luminous surface is fixed on the heat radiation ring (5.3) through fixing screws (7.3).
3. The LED filament bulb with semicircular heat radiation ring according to claim 1, wherein: the LED light-emitting assembly (1) comprises two light-emitting surfaces which are formed by arranging a plurality of groups of LED filament assemblies side by side, one edge of the two light-emitting surfaces is respectively fixed on two side edges of the heat radiation ring (5.3), the other edge is fixed on a strip-shaped heat radiation bracket (5.1), and the heat radiation bracket (5.1) is tightly attached to the inner surface of the bulb shell (6) opposite to the concave surface of the heat radiation ring (5.3); the terminal support of the LED filament component on each luminous surface is fixed with the heat radiation ring (5.3) and the heat radiation support (5.1) through fixing screws (7.3).
4. The LED filament bulb with semicircular heat radiation ring according to claim 1, wherein: the LED light-emitting assembly (1) comprises a plurality of groups of LED filament assemblies which are arranged side by side, and terminal brackets at two ends of each group of LED filament assemblies are respectively fixed on two side edges of the heat radiation ring (5.3) through fixing screws (7.3).
5. The LED filament bulb with semicircular heat radiation ring according to claim 2, wherein: the LED light-emitting component (1) is provided with a plurality of sections of fixing pressing strips (7.4) at the central line position of the inner surface of the heat radiation ring (5.3), and an insulating heat-conducting isolation strip (7.5) is arranged between the fixing pressing strips (7.4) and the inner surface of the heat radiation ring (5.3); each group of fixed pressing strips (7.4) is communicated with two groups of adjacent LED filament assemblies, and the blocks of each heat radiation ring (5.3) are also communicated with two groups of adjacent LED filament assemblies, so that the blocks of the fixed pressing strips (7.4) and the heat radiation rings (5.3) enable the groups of LED filament assemblies of each luminous surface to be connected in series end to end.
6. The LED filament bulb with semicircular heat radiation ring according to claim 3, wherein: the heat radiation bracket (5.1) is also composed of a plurality of groups of component blocks; the blocks of each group of heat radiation support (5.1) are communicated with two groups of adjacent LED filament assemblies, the blocks of each heat radiation ring (5.3) are also communicated with two groups of adjacent LED filament assemblies, and the blocks of the heat radiation support (5.1) and the heat radiation ring (5.3) enable the groups of LED filament assemblies of each luminous surface to be connected in series end to end.
7. The LED filament bulb with semicircular heat radiation ring according to claim 4, wherein: an insulating heat conduction isolation strip (7.5) is arranged between one side of the LED light-emitting component (1) and the heat radiation ring (5.3), and a plurality of conducting connectors for communicating two adjacent groups of LED filament components are arranged; the blocks of each heat radiation ring (5.3) are also communicated with two groups of adjacent LED filament assemblies, and the conducting connecting piece and the blocks of the heat radiation rings (5.3) enable the groups of LED filament assemblies of the LED luminous assembly (1) to be connected in series end to form a series group.
8. The LED filament bulb with semicircular heat radiation ring according to claim 3, wherein: triangle support frames are arranged at two ends of the LED luminous component (1), and a heat pipe (7.16) is connected between the heat radiation support (5.1) and the heat radiation ring (5.3).
9. The LED filament bulb with semicircular heat radiation ring according to claim 1, wherein: the bulb shell (6) is formed by butt joint of an upper bulb section (6.1) and a lower bulb section (6.2) with a closing-in opening, the butt joint is positioned close to the lamp cap assembly (2), the butt joint is provided with a fixing structure for clamping an inner fixing end cover or a heat radiation ring, and the butt joint is coated with a decorative ring (6.3); the lamp holder assembly (2) comprises a lamp holder support (2.5) for accommodating the driving assembly (3), the lamp holder support (2.5) comprises a cladding fixed section with a closing end and a threaded section with external threads, wherein the cladding fixed section is used for cladding the lower section (6.2) of the lamp bulb, the threaded section is provided with a fixing nut (2.9), the end part of the threaded section is provided with a male connector (2.6) with threads, and the inside of the lamp holder support (2.5) is provided with an internal thread (2.10) matched with the lower section (6.2) of the lamp bulb.
10. Use of an LED filament bulb with semicircular heat radiation ring according to any of claims 1 to 9, characterized in that: the LED filament bulb with the semicircular heat radiation ring is used for replacing a high-pressure sodium lamp tube in the existing high-pressure sodium lamp street lamp structure, so that the upgrading of the existing high-pressure sodium lamp street lamp structure is completed; the high-voltage sodium lamp street lamp comprises a lamp body main body (101.1) fixed on a lamp post (108), a lamp body upper cover (101.2) is arranged on the lamp body main body (101.1), a ballast (106) and a reflecting cover (104) with a lamp tube fixing support (102.5) are arranged in the lamp body main body (101.1), a high-voltage sodium lamp tube (102.1) is arranged in the reflecting cover (104), and a sodium lamp cap support (102.2) of the high-voltage sodium lamp tube (102.1) is fixed on the lamp tube fixing support (102.5).
11. The application of the LED filament bulb with the semicircular heat radiation ring according to claim 10, wherein the specific method for replacing the high-voltage sodium lamp tube in the existing high-voltage sodium lamp street lamp structure by using the LED filament bulb with the semicircular heat radiation ring is as follows: removing the existing high-pressure sodium lamp tube (102.1), ballast (106) and reflector (104); the reflector (104) with the bulb placing hole (104.2) at the top is used, the LED filament bulb (102) with the semicircular heat radiation ring is fixed on an LED bulb positioning and fixing hole (104.3) additionally formed on the side surface of the reflector (104); or a reflector (104) with a bulb placing hole (104.2) on the side surface is used, the LED filament bulb (102) with the semicircular heat radiation ring is placed into the reflector (104) from the bulb placing hole (104.2), the lamp cap component (2) of the LED filament bulb (102) with the semicircular heat radiation ring is fixed on the LED bulb positioning and mounting interface bracket (102.6) at the bulb placing hole (104.2), and a buffer ring (102.7) is arranged between the LED filament bulb (102) with the semicircular heat radiation ring and the LED bulb positioning and mounting interface bracket (102.6); an LED filament bulb (102) with a semicircular heat radiation ring is connected with a lighting controller or a lightning protection controller (105) with a power connector.
12. The application of the LED filament bulb with the semicircular heat radiation ring according to claim 10, wherein the specific method for replacing the high-voltage sodium lamp tube in the existing high-voltage sodium lamp street lamp structure by using the LED filament bulb with the semicircular heat radiation ring is as follows: only a lamp post (108) in the existing high-voltage sodium lamp street lamp structure is reserved, then a lamp housing upper cover (101.2) and an LED bulb positioning and mounting interface bracket (102.6) are mounted on the lamp post (108), and a lamp cap assembly of an LED filament bulb (102) with a semicircular heat radiation ring is fixed on the LED bulb positioning and mounting interface bracket (102.6); an LED filament bulb (102) with a semicircular heat radiation ring is connected with a lighting controller or a lightning protection controller (105) with a power connector.
CN201610975434.2A 2016-03-11 2016-11-07 LED filament bulb with semicircular heat radiation ring and application thereof Active CN106369365B (en)

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