CN107166190B - LED filament lamp - Google Patents
LED filament lamp Download PDFInfo
- Publication number
- CN107166190B CN107166190B CN201710432407.5A CN201710432407A CN107166190B CN 107166190 B CN107166190 B CN 107166190B CN 201710432407 A CN201710432407 A CN 201710432407A CN 107166190 B CN107166190 B CN 107166190B
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- Prior art keywords
- led filament
- platform
- lamp
- connection
- conductive
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/20—Light sources comprising attachment means
- F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
- F21K9/232—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings specially adapted for generating an essentially omnidirectional light distribution, e.g. with a glass bulb
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/20—Light sources comprising attachment means
- F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
- F21K9/238—Arrangement or mounting of circuit elements integrated in the light source
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- 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
- F21V19/0025—Fastening arrangements intended to retain light sources the fastening means engaging the conductors of the light source, i.e. providing simultaneous fastening of the light sources and their electric connections
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- 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
- F21V23/06—Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices, e.g. connectors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Abstract
The invention relates to an LED filament lamp, which comprises a core column and at least two LED filament strips, wherein each LED filament strip comprises a first electrode end and a second electrode end, the LED filament lamp also comprises a connecting structure, the core column is sequentially provided with a first connecting platform and a second connecting platform from top to bottom, the first connecting platform and the second connecting platform are respectively provided with at least two conductive parts which are matched with the connecting structures, the first electrode ends of the at least two LED filament strips are respectively provided with the connecting structures and are connected with the conductive parts on the first connecting platform through the connecting structures, and the second electrode ends of the at least two LED filament strips are respectively provided with the connecting structures and are connected with the conductive parts on the second connecting platform through the connecting structures. The LED filament lamp has the advantages of stable and convenient connection, simple structure, convenience in production and cost saving.
Description
Technical Field
The invention relates to the LED technology, in particular to an LED filament lamp.
Background
The lamp strip of the existing LED filament lamp is electrically conductive and fixed through spot welding of metal wires, the metal wires are fixed on the glass core column when fed, and the metal wires are easily inclined during transportation and packaging, so that the metal wires on the glass core column need to be arranged and cut when the filament lamp is produced. However, the wire arrangement and trimming process for filament lamp production is complicated, which reduces the efficiency and increases the cost of filament lamp production. For example, the wire arranging process of the existing factory filament lamp production generally has about 5, the wire cutting process has about 2, the production process is more, the production efficiency of the filament lamp is obviously reduced, and the production cost is increased. In addition, since the wire arrangement and trimming processes are required, the conventional LED filament lamp cannot be installed in an automatic production line, that is, cannot support automatic production.
The Chinese patent with the application number of 201520872580.3 discloses an LED filament bulb with a damping spring, which comprises a bulb shell, a core column, a driving power supply, a lamp holder and an LED filament; and specifically discloses that a gas spring is arranged at the part where the LED lamp filament is connected with the core column, one end of the gas spring is connected with the LED lamp filament, and the other end of the gas spring is connected with the core column. That is, the above patent discloses that the filament is fixed to the stem by the gas spring to achieve the electrical conduction and fixation. The above patent still has the problems of inconvenient operation and high cost.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: provided is an LED filament lamp which facilitates connection of a filament to a stem.
In order to solve the technical problems, the invention adopts the technical scheme that:
the utility model provides a LED filament lamp, includes stem and two at least LED filament strips, LED filament strip includes first electrode end and second electrode end, still includes connection structure, top-down is equipped with first connection platform and second connection platform in proper order on the stem, be equipped with on first connection platform and the second connection platform respectively two at least with the conductive part that connection structure cooperation set up is equipped with respectively on the first electrode end of two at least LED filament strips connection structure passes through connection structure is connected with the conductive part on the first connection platform, is equipped with respectively on the second electrode end of two at least LED filament strips connection structure passes through connection structure is connected with the conductive part on the second connection platform.
The invention has the beneficial effects that:
(1) designing the connecting structure, arranging the conductive parts on the first connecting platform and the second connecting platform, and connecting the connecting structure with the conductive parts, so that the two electrode ends of the LED lamp filament strip are conveniently fixed on the core column; the conductive part has both a conductive function and a fixing function;
(2) compared with the existing filament lamp which realizes the conduction and the fixation through the spot welding of metal wires, the filament lamp can avoid the wire arrangement and the wire shearing processes and support the automatic production; compare with the present filament lamp of being fixed in filament strip on the stem through the air spring, utilize to establish simple connection structure at two electrode tips to the design has the conductive part of electrically conductive effect and fixed effect concurrently and links to each other with connection structure, simple structure, and the production of LED filament lamp is more convenient, and can practice thrift the cost than the air spring.
Drawings
FIG. 1 is a front view of an LED filament lamp according to an embodiment of the present invention;
FIG. 2 is a perspective view of the LED filament lamp of the embodiment of the present invention without the lamp cover;
FIG. 3 is an enlarged view of the structure of portion A in FIG. 2;
fig. 4 is an exploded view of the overall structure of an LED filament lamp according to an embodiment of the present invention.
Description of reference numerals:
1. a stem; 11. a first connection platform; 12. a second connection platform; 2. LED filament strips;
21. a first electrode terminal; 22. a second electrode terminal; 3. a connecting structure; 31. connecting holes;
4. a conductive portion; 41. an elastic bulge; 5. a lamp shade; 6. a drive member; 7. a lamp cap.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
The most key concept of the invention is as follows: the LED lamp strip is characterized in that the two electrode ends of the LED lamp strip are provided with connecting structures, the core column is provided with two connecting platforms which are provided with conductive parts matched with the connecting structures, and the conductive parts have the functions of conductivity and fixation.
Referring to fig. 1-4, an LED filament lamp includes a stem 1 and at least two LED filament strips 2, where the LED filament strips 2 include a first electrode end 21 and a second electrode end 22, and further includes a connection structure 3, the stem 1 is sequentially provided with a first connection platform 11 and a second connection platform 12 from top to bottom, the first connection platform 11 and the second connection platform 12 are respectively provided with at least two conductive portions 4 that are matched with the connection structure 3, the first electrode ends 21 of the at least two LED filament strips 2 are respectively provided with the connection structure 3 and connected to the conductive portion 4 on the first connection platform 11 through the connection structure 3, and the second electrode ends 22 of the at least two LED filament strips 2 are respectively provided with the connection structure 3 and connected to the conductive portion 4 on the second connection platform 12 through the connection structure 3.
From the above description, the beneficial effects of the present invention are:
(1) designing the connecting structure, arranging the conductive parts on the first connecting platform and the second connecting platform, and connecting the connecting structure with the conductive parts, so that the two electrode ends of the LED lamp filament strip are conveniently fixed on the core column; the conductive part has both a conductive function and a fixing function;
(2) compared with the existing filament lamp which realizes the conduction and the fixation through the spot welding of metal wires, the filament lamp can avoid the wire arrangement and the wire shearing processes and support the automatic production; compare with the present filament lamp of being fixed in filament strip on the stem through the air spring, utilize to establish simple connection structure at two electrode tips to the design has the conductive part of electrically conductive effect and fixed effect concurrently and links to each other with connection structure, simple structure, and the production of LED filament lamp is more convenient, and can practice thrift the cost than the air spring.
Further, the connection structure 3 is detachably connected to the conductive portion 4.
As can be seen from the above description, as a specific structural example, the connection structure is detachably connected to the conductive part, so as to facilitate replacement of the LED filament lamp.
Further, the first electrode end 21 and the second electrode end 22 extend and bend towards the first connecting platform 11 or the second connecting platform 12, respectively, to form the connecting structure 3.
As can be seen from the above description, as a specific structural example, the connection structure may be a structure formed by extending and bending the first electrode terminal and the second electrode terminal, and more specifically, the connection structure may be a structure formed by stamping and bending the first electrode terminal and the second electrode terminal, for example, a connection structure formed by stamping and bending a horizontal structure (arranged in parallel with respect to two connection platforms). Has the advantages of simple structure and more stable connection effect.
Further, the connecting structure 3 is perpendicular to the first electrode end 21 and the second electrode end 22, respectively.
As can be seen from the above description, as a specific structural example, the connecting structure may be perpendicular to the first electrode terminal or the second electrode terminal, for example, the first electrode terminal and the second electrode terminal are punched and bent to form a connecting structure perpendicular to both the first electrode terminal and the second electrode terminal and arranged in parallel with respect to the two connecting platforms.
Further, the connecting structure 3 includes a connecting sheet, the connecting sheet is provided with a connecting hole 31, the conductive portion 4 includes an elastic protrusion 41, and the elastic protrusion 41 is clamped in the connecting hole 31.
As can be seen from the above description, as a specific structural example, the connection structure includes a connection sheet, or may be just a simple connection sheet, and through the above-mentioned connecting hole and the arrangement of elastic bulge, two electrode terminals of the LED filament strip are clamped on two connection platforms, and then the filament is restrained in all directions, thereby playing a good role in fixing.
Further, the conductive part 4 is a conductive sheet, the conductive sheet is bent, the elastic protrusion 41 is arranged in a protruding manner along a direction close to the LED filament strip 2, and the conductive sheet is inserted between the conductive sheet and the first connecting platform 11 or the second connecting platform 12.
As can be seen from the above description, as a specific structural example, the conductive part may be a simple conductive sheet, and preferably, the conductive sheet may be made of a material having elasticity, so that the conductive sheet obtains a certain elasticity. The width and thickness of the conducting plate can be designed to ensure the elasticity, for example, the conducting plate with the width and thickness ratio of 9-11:3, more specifically, the width of 1mm and the thickness of 0.3mm can ensure the elasticity of the conducting plate; the connecting sheet is inserted between the conducting sheet and the first connecting platform or between the conducting sheet and the second connecting platform, and then the conducting sheet and the second connecting platform are clamped through the elastic bulge, so that the connecting structure and the conducting part are better clamped, and shaking cannot occur.
Further, the shape of the conductive sheet is wave-shaped, one end of the wave-shaped conductive sheet is arranged on the first connecting platform 11 or the second connecting platform 12, and the other end of the wave-shaped conductive sheet is clamped in the connecting hole 31 through the elastic protrusion 41.
As can be seen from the above description, as a specific structural example, the shape of the conductive sheet is a wave shape, please refer to the structure of the conductive part on the first connection platform in fig. 3, the wave-shaped conductive sheet has one peak and one valley, the connection structures on the two electrode ends of the LED filament strip are inserted on the conductive sheets of the two connection platforms, the valleys of the conductive sheets on the two connection platforms of the stem are elastic protrusions, and the valleys are clamped in the connection holes of the connection structures, so as to further enhance the connection firmness.
Further, the aperture of the connection hole 31 is the same as or tends to be the same as the width of the conductive sheet.
As can be seen from the above description, as a specific structural example, the aperture of the connection hole is the same as or tends to be the same as the width of the conductive sheet, and the firmness of the elastic connection between the connection structure and the conductive sheet may be further included.
Further, the first connecting platform 11 and the second connecting platform 12 are integrally formed, or are formed by splicing at least two platforms.
As can be seen from the above description, as a specific structure example, when the filament lamp is manufactured, the first connection platform and the second connection platform can be divided into two halves (i.e., formed by combining two platforms) or not (i.e., integrally formed), and more specifically, the first connection platform can be divided into two halves or not, and the second connection platform is divided into two halves.
Further, still include lamp shade 5, driving piece 6 and lamp holder 7, stem 1, LED filament strip 2 and driving piece 6 cover respectively and locate in the lamp shade 5, lamp shade 5 and lamp holder 7 fixed connection.
As can be seen from the above description, as a specific structural example, the lamp housing, the driving member, and the lamp cap are further included and assembled as described above.
Referring to fig. 1-4, a first embodiment of the present invention is:
the LED filament lamp of this embodiment comprises lamp shade 5, LED filament strip 2, stem 1, driving piece 6 and lamp holder 7, stem 1, LED filament strip 2 and driving piece 6 cover respectively and locate in the lamp shade 5, lamp shade 5 and lamp holder 7 fixed connection. The LED lamp strip comprises an LED lamp strip 2, wherein two electrode ends of the LED lamp strip 2 are provided with connecting structures 3, the top and bottom positions of a glass stem 1 are correspondingly fixed with a disc-shaped first connecting platform 11 and a disc-shaped second connecting platform 12 which are provided with conductive parts 4, the first connecting platform 11 and the second connecting platform 12 are arranged in parallel, the first connecting platform 11 arranged at the top is a small disc with a small size, and the small disc is integrally formed and cannot be divided; the second connecting platform 12 arranged at the bottom is a large disc with a large size, and the large disc is composed of two semicircular platforms and can be divided into two halves. The connecting structures 3 on the two electrode ends of the LED lamp filament strip 2 are horizontal structures formed by stamping and bending, the horizontal structures are connecting sheets parallel to the first connecting platform 11 or the second connecting platform 12, a circular connecting hole 31 is formed in each connecting sheet, the conducting parts 4 are wavy conducting sheets, the width of each conducting sheet is 1mm, the thickness of each conducting sheet is 0.3mm, and the aperture size of each connecting hole 31 is equal to the width of each conducting sheet so as to ensure the elasticity of each conducting sheet; as shown in fig. 3, the wavy conductive sheet has a wave crest and a wave trough (i.e. the elastic bulge 41), the connecting sheet is inserted between the conductive sheet and the two connecting platforms, one end of the wavy conductive sheet is arranged on the two connecting platforms, the other end of the wavy conductive sheet is clamped in the connecting hole 31 of the connecting sheet through the wave trough, so that the LED filament strip 2 is clamped and cannot shake, all directions of the LED filament strip 2 are firmly constrained, the conductive sheet not only plays a role of fixing, but also plays a role of conducting electricity.
The LED filament lamp of this embodiment can go up automation line, does not need eight spot welding filaments, can improve production speed, reduces assembly cost.
In conclusion, the LED filament lamp provided by the invention has the advantages of stable and convenient connection, simple structure, convenience in production and cost saving.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (9)
1. An LED filament lamp comprises a core column and at least two LED filament strips, wherein each LED filament strip comprises a first electrode end and a second electrode end, and is characterized by further comprising a connecting structure, the core column is sequentially provided with a first connecting platform and a second connecting platform from top to bottom, the first connecting platform and the second connecting platform are respectively provided with at least two conductive parts which are matched with the connecting structure, the first electrode ends of the at least two LED filament strips are respectively provided with the connecting structure and are connected with the conductive parts on the first connecting platform through the connecting structure, and the second electrode ends of the at least two LED filament strips are respectively provided with the connecting structure and are connected with the conductive parts on the second connecting platform through the connecting structure;
the connecting structure comprises a connecting sheet, a connecting hole is formed in the connecting sheet, the conductive part comprises an elastic bulge, and the elastic bulge is clamped in the connecting hole.
2. The LED filament lamp of claim 1, wherein the connection structure is removably connected to the conductive portion.
3. The LED filament lamp of claim 1, wherein the first and second electrode terminals extend and curve toward the first or second connection lands, respectively, to form the connection structure.
4. The LED filament lamp of claim 3, wherein the connection structures are disposed perpendicular to the first and second electrode ends, respectively.
5. The LED filament lamp according to claim 1, wherein the conductive part is a conductive sheet, the conductive sheet is bent and provided with the elastic protrusion protruding in a direction close to the LED filament strip, and the connecting sheet is inserted between the conductive sheet and the first connecting platform or the second connecting platform.
6. The LED filament lamp according to claim 5, wherein the conductive sheet is wave-shaped, one end of the wave-shaped conductive sheet is disposed on the first connection platform or the second connection platform, and the other end of the wave-shaped conductive sheet is clamped in the connection hole through the elastic protrusion.
7. The LED filament lamp of claim 6, wherein the aperture of the connection hole is the same or tends to be the same as the width of the conductive sheet.
8. The LED filament lamp of claim 1, wherein the first connecting platform and the second connecting platform are integrally formed or are formed by splicing at least two platforms.
9. The LED filament lamp according to any one of claims 1-8, further comprising a lamp cover, a driving member, and a lamp cap, wherein the stem, the LED filament, and the driving member are respectively covered in the lamp cover, and the lamp cover is fixedly connected to the lamp cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710432407.5A CN107166190B (en) | 2017-06-09 | 2017-06-09 | LED filament lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710432407.5A CN107166190B (en) | 2017-06-09 | 2017-06-09 | LED filament lamp |
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| Publication Number | Publication Date |
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| CN107166190A CN107166190A (en) | 2017-09-15 |
| CN107166190B true CN107166190B (en) | 2021-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710432407.5A Active CN107166190B (en) | 2017-06-09 | 2017-06-09 | LED filament lamp |
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| CN (1) | CN107166190B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108253350A (en) * | 2018-02-06 | 2018-07-06 | 福建众益太阳能科技股份公司 | A kind of filament Lawn lamp |
| US10234079B1 (en) * | 2018-05-07 | 2019-03-19 | Ledvance Llc | Self-supporting filament light emitting diode light engine lamp assembly |
| CN109340591A (en) * | 2018-12-11 | 2019-02-15 | 深圳市灏天光电有限公司 | A kind of no-welding LED filament bulb lamp |
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| CN107166190A (en) | 2017-09-15 |
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