CN101737664B - Safe light emitting diode (LED) lighting tube - Google Patents
Safe light emitting diode (LED) lighting tube Download PDFInfo
- Publication number
- CN101737664B CN101737664B CN201010107069.6A CN201010107069A CN101737664B CN 101737664 B CN101737664 B CN 101737664B CN 201010107069 A CN201010107069 A CN 201010107069A CN 101737664 B CN101737664 B CN 101737664B
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- CN
- China
- Prior art keywords
- circuit board
- led
- end cap
- dissipating casing
- light emitting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- F21V25/00—Safety devices structurally associated with lighting devices
- F21V25/02—Safety devices structurally associated with lighting devices coming into action when lighting device is disturbed, dismounted, or broken
- F21V25/04—Safety devices structurally associated with lighting devices coming into action when lighting device is disturbed, dismounted, or broken breaking the electric circuit
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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
- F21K9/27—Retrofit light sources for lighting devices with two fittings for each light source, e.g. for substitution of fluorescent tubes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R33/00—Coupling devices specially adapted for supporting apparatus and having one part acting as a holder providing support and electrical connection via a counterpart which is structurally associated with the apparatus, e.g. lamp holders; Separate parts thereof
- H01R33/945—Holders with built-in electrical component
- H01R33/96—Holders with built-in electrical component with switch operated by engagement or disengagement of coupling
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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
- F21Y2101/00—Point-like light sources
-
- 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
- F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
- F21Y2103/10—Elongate light sources, e.g. fluorescent tubes comprising a linear array of point-like light-generating elements
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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 discloses a safe light emitting diode (LED) lighting tube, comprising a radiating shell, a lampshade, end covers, a circuit board, an LED bulb, two groups of contact pins and a driving part. The end covers are positioned at two ends of the radiating shell and the lampshade, the circuit board is fixedly connected with the radiating shell, the LED bulb is positioned on the circuit board, the two groups of contact pins are arranged on the two end covers, the driving part is respectively connected with the circuit board, and a protective switch is respectively arranged on a circuit between the driving part and the two groups of contact pins. By adopting the structure, whether a user inserts the contact pins into the high-voltage end of a lampholder or not, the commercial power supply is electrically connected with the driving part only if the two groups of contact pins are all installed in the lampholder and then the protective switch is started, therefore, potential danger existing in the installation process can be thoroughly eliminated.
Description
Technical field
The present invention relates to LED (light emitting diode; Light Emitting Diode) technical field of lamps, more particularly, relates to the safe light emitting diode (LED) lighting tube that a kind of user of preventing gets shocked in installation process.
Background technology
In recent years, LED light fixture because, energy-conservation, more environmental protection, the feature such as efficiency is high, volume is little, the life-span is longer and receive much concern, LED light fixture is replacing traditional incandescent lamp and fluorescent tube and as main flow illuminations.Meanwhile, along with the development of clean energy resource efficiency techniques and the enhancing day by day of people's environmental protection concept, increasing family and mechanism all throw light on employing LED light fixture.Under this trend, guarantee being perfectly safe of LED light fixture, prevent the potential safety problems such as electric shock, just seem and be even more important.
Please refer to Fig. 1 and Fig. 2, LED fluorescent tube 100 of the prior art comprises heat-dissipating casing 110, lampshade (not shown), is positioned at the end cap 120 at described heat-dissipating casing 110 and lampshade two ends, two circuit boards 150 that are electrically connected by electrical connector 145, be positioned at the LED lamp pearl 170 on described two circuit boards 150, the driving 160 that is positioned at the contact pin 180 on described end cap 120 and is connected with two circuit boards 150 respectively.Wherein, driving 160 is placed in heat-dissipating casing 110 after wrapping up by insulating paper, and the defect of this structure is, easily causes heat radiation not smooth.In addition, in the prior art, the connection of above-mentioned each parts is that the mode boning by glue realizes, and under long term high temperature condition, glue connects easy aged deterioration, thus the security incident of causing.
What is more important, when consumer installs above-mentioned LED fluorescent tube, also exists larger potential safety hazard.For example, in the time of mounted LED lamp pipe on conventional fluorescent lamp socket, when if consumer inserts the high-tension one end of lamp socket by the contact pin shown in figure (being commonly called as live wire), although driving 160 not form loop with the neutral conductor (being commonly called as ground wire), wherein do not have electric current to pass through, but wherein had certain electromotive force, if when consumer now touches the contact pin of the other end, will get shocked, thereby security incident occurs.
All there is above-mentioned potential safety hazard in all LED fluorescent tubes on the market, and do not take corresponding safety measure to be prevented.Whether consumer is electrically shocked, and depends on whether contact pin is first inserted into the high-tension one end of lamp socket.Therefore there is 50% the danger that is electrically shocked in consumer.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of safe light emitting diode (LED) lighting tube, and it can prevent that user from getting shocked in installation process.
For solving the problems of the technologies described above, technical scheme of the present invention is: a kind of safe light emitting diode (LED) lighting tube is provided, comprise heat-dissipating casing, lampshade, be positioned at described heat-dissipating casing and lampshade two ends end cap, the circuit board being fixedly connected with described heat-dissipating casing, be positioned at LED lamp pearl on described circuit board, be positioned at two groups of contact pins on described two end caps and the drive part being connected with circuit board respectively, on the circuit between described drive part and described two groups of contact pins, be respectively equipped with Protection switch.
Like this, no matter whether user first inserts the high-tension one end of lamp socket by contact pin, only, after two groups of contact pins are all installed in lamp socket, restarts Protection switch, between Cai Nengshi city power supply and drive part, form and be electrically connected to, therefore thoroughly eliminated the potential danger in user installation process.
Accompanying drawing explanation
Fig. 1 is that in prior art, LED fluorescent tube is removed the schematic perspective view after lampshade;
Fig. 2 is the circuit theory schematic diagram of Fig. 1;
Fig. 3 is that a preferred embodiment of the present invention is removed the schematic perspective view after lampshade;
Fig. 4 is circuit theory schematic diagram embodiment illustrated in fig. 3;
Fig. 5 is the schematic perspective view of the end cap in embodiment illustrated in fig. 3;
Fig. 6 is the schematic perspective view of middle cover of driver embodiment illustrated in fig. 3;
Fig. 7 is schematic side view of removing after end cap embodiment illustrated in fig. 3.
The specific embodiment
In order to make technical problem to be solved by this invention, technical scheme and beneficial effect clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Please refer to Fig. 3 and Fig. 4, for a preferred embodiment of the present invention, this safe light emitting diode (LED) lighting tube comprises heat-dissipating casing 201, lampshade 202 (please refer to Fig. 7), is positioned at the end cap 260 at described heat-dissipating casing 201 and lampshade two ends, the circuit board 205 being fixedly connected with described heat-dissipating casing 201, be positioned at LED lamp pearl 214 on described circuit board 205, be positioned at two groups of contact pins 250 on described two end caps 260 and the drive part 400 being connected with circuit board 205 respectively, on the circuit between described drive part 400 and described two groups of contact pins 250, is respectively equipped with Protection switch 220.Like this, no matter whether user first inserts the high-tension one end of lamp socket by contact pin 250, only after two groups of contact pins 250 are all installed in lamp socket, restart Protection switch 220, between Cai Nengshi city power supply and drive part 400, form and be electrically connected to, therefore thoroughly eliminated the potential danger in user installation process.
Below above-mentioned each part is further described in detail respectively.
Incorporated by reference to reference to Fig. 7, the cross section of described shell 201 is semicircular in shape roughly, and can adopt the good metal or alloy materials of heat conductivility such as aluminium, copper to make.One side of its corresponding LED fluorescent tube exiting surface forms in order to the mounting platform of fixing circuit board 205 to be installed.The position of mounting platform corresponding circuits plate 205 is provided with some screws for screw lock.Thereby solved in prior art, adopted glue to realize the defect of the easy ageing failure connecting between circuit board and shell.In described mounting platform both sides, extend the location division with mounting groove, in order to realize and being connected of Transparent lamp shade.In order to expand area of dissipation, describedly in a side contrary with LED fluorescent tube exiting surface, form a plurality of strip projections.In addition, on the length direction of described shell 201, be provided with the through hole that connects described shell 201, be convenient to circulation of air and dispel the heat.
In the present embodiment, described Protection switch 220 can be controlled or the mode of remote control realizes break-make by mechanical key.When adopting mechanical key to control, can adopt mechanical key of the prior art.When adopting sensing mode, can adopt infrared sensor, electromagnetism sensor, photo switches, photo sensors etc.
Incorporated by reference to reference to Fig. 6, described drive part 400 comprises the cover of driver 401 being fixedly connected with by screw with described heat-dissipating casing 201, the driving that is positioned at described cover of driver 401 etc.A flange arrangement 411 is extended respectively at the two ends of described cover of driver, in order to be fixedly connected with described shell 201.In the present embodiment, described cover of driver 401 is semi-cylindrical and has the spatial accommodation 412 consistent with cavity direction in described heat-dissipating casing.In addition, between described cover of driver flange arrangement 411 1 sides and described heat-dissipating casing 201, form heat dissipation channel 404.
Incorporated by reference to reference to Fig. 5, described end cap 260 comprises end cap shell 261, is positioned at the end cap circuit board (not shown) of described end cap shell 261, the jack that end cap shell 261 is provided with Protection switch installing hole and plugs for described contact pin 250.In the present embodiment, described contact pin 250 is fixedly connected with described end cap circuit board with Protection switch 220.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (4)
1. a safe light emitting diode (LED) lighting tube, comprise heat-dissipating casing, lampshade, be positioned at the end cap at described heat-dissipating casing and lampshade two ends, the circuit board being fixedly connected with described heat-dissipating casing, be positioned at the LED lamp pearl on described circuit board, be positioned at two groups of contact pins on described two end caps and the drive part being connected with circuit board, it is characterized in that: on the circuit between described drive part and described two groups of contact pins, be respectively equipped with Protection switch, described end cap comprises end cap shell, be positioned at the end cap circuit board of described end cap shell, described contact pin is fixedly connected with described end cap circuit board with Protection switch, and described drive part comprises the cover of driver being fixedly connected with by screw with described heat-dissipating casing, between described cover of driver and described heat-dissipating casing, form heat dissipation channel.
2. safe light emitting diode (LED) lighting tube as claimed in claim 1, is characterized in that: described Protection switch is controlled by mechanical key or the mode of sensing realizes break-make.
3. safe light emitting diode (LED) lighting tube as claimed in claim 1, is characterized in that: on described heat-dissipating casing, form mounting platform, and be fixedly connected with described circuit board by screw.
4. safe light emitting diode (LED) lighting tube as claimed in claim 1, is characterized in that: described cover of driver is semi-cylindrical and has the spatial accommodation consistent with cavity direction in described heat-dissipating casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010107069.6A CN101737664B (en) | 2010-02-03 | 2010-02-03 | Safe light emitting diode (LED) lighting tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010107069.6A CN101737664B (en) | 2010-02-03 | 2010-02-03 | Safe light emitting diode (LED) lighting tube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101737664A CN101737664A (en) | 2010-06-16 |
| CN101737664B true CN101737664B (en) | 2014-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201010107069.6A Active CN101737664B (en) | 2010-02-03 | 2010-02-03 | Safe light emitting diode (LED) lighting tube |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8807785B2 (en) | 2008-05-23 | 2014-08-19 | Ilumisys, Inc. | Electric shock resistant L.E.D. based light |
| US8840282B2 (en) | 2010-03-26 | 2014-09-23 | Ilumisys, Inc. | LED bulb with internal heat dissipating structures |
| US8894430B2 (en) | 2010-10-29 | 2014-11-25 | Ilumisys, Inc. | Mechanisms for reducing risk of shock during installation of light tube |
| US8901823B2 (en) | 2008-10-24 | 2014-12-02 | Ilumisys, Inc. | Light and light sensor |
| US8928025B2 (en) | 2007-12-20 | 2015-01-06 | Ilumisys, Inc. | LED lighting apparatus with swivel connection |
| US8946996B2 (en) | 2008-10-24 | 2015-02-03 | Ilumisys, Inc. | Light and light sensor |
| US9013119B2 (en) | 2010-03-26 | 2015-04-21 | Ilumisys, Inc. | LED light with thermoelectric generator |
| US9072171B2 (en) | 2011-08-24 | 2015-06-30 | Ilumisys, Inc. | Circuit board mount for LED light |
| US9101026B2 (en) | 2008-10-24 | 2015-08-04 | Ilumisys, Inc. | Integration of LED lighting with building controls |
| US9163794B2 (en) | 2012-07-06 | 2015-10-20 | Ilumisys, Inc. | Power supply assembly for LED-based light tube |
| US9184518B2 (en) | 2012-03-02 | 2015-11-10 | Ilumisys, Inc. | Electrical connector header for an LED-based light |
| US9271367B2 (en) | 2012-07-09 | 2016-02-23 | Ilumisys, Inc. | System and method for controlling operation of an LED-based light |
| US9267650B2 (en) | 2013-10-09 | 2016-02-23 | Ilumisys, Inc. | Lens for an LED-based light |
| US9285084B2 (en) | 2013-03-14 | 2016-03-15 | Ilumisys, Inc. | Diffusers for LED-based lights |
| US9353939B2 (en) | 2008-10-24 | 2016-05-31 | iLumisys, Inc | Lighting including integral communication apparatus |
| US9510400B2 (en) | 2014-05-13 | 2016-11-29 | Ilumisys, Inc. | User input systems for an LED-based light |
| US9574717B2 (en) | 2014-01-22 | 2017-02-21 | Ilumisys, Inc. | LED-based light with addressed LEDs |
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| US8653984B2 (en) | 2008-10-24 | 2014-02-18 | Ilumisys, Inc. | Integration of LED lighting control with emergency notification systems |
| FI122164B (en) | 2010-04-23 | 2011-09-15 | Teknoware Oy | LED tube lamp and lighting arrangement |
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| RU2577778C2 (en) * | 2010-07-21 | 2016-03-20 | Конинклейке Филипс Электроникс Н.В. | Case for power supply device |
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| US8928025B2 (en) | 2007-12-20 | 2015-01-06 | Ilumisys, Inc. | LED lighting apparatus with swivel connection |
| US8807785B2 (en) | 2008-05-23 | 2014-08-19 | Ilumisys, Inc. | Electric shock resistant L.E.D. based light |
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| US8840282B2 (en) | 2010-03-26 | 2014-09-23 | Ilumisys, Inc. | LED bulb with internal heat dissipating structures |
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