CN102537711A - LED (Light-emitting Diode) fluorescent tube - Google Patents
LED (Light-emitting Diode) fluorescent tube Download PDFInfo
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- CN102537711A CN102537711A CN2010106236113A CN201010623611A CN102537711A CN 102537711 A CN102537711 A CN 102537711A CN 2010106236113 A CN2010106236113 A CN 2010106236113A CN 201010623611 A CN201010623611 A CN 201010623611A CN 102537711 A CN102537711 A CN 102537711A
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Abstract
The invention discloses an LED (Light-emitting Diode) fluorescent tube, comprising a tube shell provided with four wiring terminals, an LED light-emitting element and a rectification circuit, wherein the four wiring terminals are divided into two groups two by two and the two groups are respectively located at two ends of the tube shell and are used for receiving input signals; the LED light-emitting element is arranged in the tube shell; the rectification circuit is used for adjusting the input signals to avoid polarity reversing; and a wiring way of the four wiring terminals is arranged according to a diagonal line way. With the adoption of the LED fluorescent tube provided by the invention, the polarity problem of the LED fluorescent tube does not need to be considered and the random installation of the LED fluorescent tube is realized.
Description
Technical field
The present invention relates to the LED lighting field, more specifically, relate to a kind of LED fluorescent tube.
Background technology
Along with light emitting diode (Light Emitting Diode; LED) development of technology; The LED fluorescent lamp is being brought into play more and more important effect at lighting field, because the LED fluorescent lamp has numerous advantages, for example; Energy-conservation, long service life, noiselessness or the like make increasing place all bring into use the LED fluorescent lamp as lighting apparatus.
As everyone knows, traditional fluorescent tube has four binding posts, and is as shown in Figure 1, lays respectively at the two ends (two at every end) of fluorescent tube.For traditional fluorescent lamp, two terminal the insides of every end are connected with filament, so no matter how install, shown in Figure 1A and Figure 1B, fluorescent tube can both be normally luminous.
Fig. 2 shows the external and wire laying mode existing LED fluorescent tube when utilizing direct current supply of led drive circuit, and wherein, Fig. 2 A is correct wire laying mode, and Fig. 2 B is the reversal connection mode behind the LED fluorescent tube Rotate 180 degree; Fig. 3 shows the built-in and wire laying mode existing LED fluorescent tube when utilizing direct current supply of led drive circuit, and wherein, Fig. 3 A is correct wire laying mode, and Fig. 3 B is the reversal connection mode behind the LED fluorescent tube Rotate 180 degree.As shown in Figures 2 and 3; For the LED fluorescent tube of direct current supply, principle of luminosity and traditional fluorescent tube are different fully, because LED is directive; Make its luminous needs satisfy two conditions: one, to add forward dc voltage, like Fig. 2 A and Fig. 3 A to LED; Two, the amplitude of forward dc voltage reaches the conducting voltage of LED.If there is any condition not satisfy, the LED fluorescent tube all is not irradiative, thus, the LED fluorescent tube needs extreme care when being installed, just can not be luminous if adorn anti-LED lamp, shown in Fig. 2 B and Fig. 3 B.
Fig. 4 shows the built-in and wire laying mode existing LED fluorescent tube when utilizing Alternating Current Power Supply of led drive circuit, and wherein, Fig. 4 A is correct wire laying mode, and Fig. 4 B is the reversal connection mode behind the LED fluorescent tube Rotate 180 degree.As shown in Figure 4, for direct use civil power, the LED fluorescent tube of Alternating Current Power Supply also must be noted that the installation direction of fluorescent tube, if fluorescent tube dress anti-(shown in Fig. 4 B) damages device probably, and can initiation fire when serious.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of LED fluorescent tube, to solve the problem that the LED fluorescent tube that exists in the prior art can't arbitrarily be installed.
For achieving the above object, technical scheme of the present invention is achieved in that
A kind of LED fluorescent tube comprises:
Fluorescent tube shell with four binding posts, four binding posts divide into groups in twos, lay respectively at the two ends of fluorescent tube shell, are used for receiving inputted signal;
The LED light-emitting component is arranged at the inside of said fluorescent tube shell;
Rectification circuit is used for said input signal is regulated to avoid error-polarity connection;
Wherein, the wire laying mode of said four binding posts is provided with by diagonal way.
Preferably, the said input signal that receives comprises power supply signal and control signal.
Preferably, the two poles of the earth of said power supply signal will be arranged at according to cornerwise mode on two binding posts of fluorescent tube shell, and the two poles of the earth of said control signal will be arranged on two other binding post of fluorescent tube shell according to cornerwise mode.
Preferably, said power supply signal is direct current signal or AC signal.
Preferably, said LED fluorescent tube also comprises driver element.
Preferably, said driver element comprises light-emitting diode driving board, is used to said LED light-emitting component constant current or constant voltage are provided.
Preferably, when said power supply signal was direct current signal, said driver element comprised the DC-DC light-emitting diode driving board; When said power supply signal was AC signal, said driver element comprised the ac/dc light-emitting diode driving board.
Preferably, said driver element also comprises photoelectrical coupler, is used under the control of said control signal, realizing the colour temperature control of LED fluorescent tube.
Preferably, said driver element is arranged at the outside of said fluorescent tube shell or is arranged at the inside of said fluorescent tube shell.
Preferably, said rectification circuit is a rectifier bridge.
Technique effect of the present invention:
The present invention connects up according to diagonal way to four binding posts of fluorescent tube shell; The two poles of the earth of power supply signal are arranged at according to cornerwise mode on two binding posts of fluorescent tube shell, and the two poles of the earth with control signal are arranged on two other binding post of fluorescent tube shell, promptly according to cornerwise mode simultaneously; The line that a pair of type is identical (pair of electrical source signal line or pair of control holding wire) connects up by cornerwise mode; Like this, even LED fluorescent tube Rotate 180 degree, the power supply signal line still is connected with the power supply signal line; Control signal wire still is connected with control signal wire, can not cause connecting object to be made mistakes because of the rotation of LED fluorescent tube.
In addition, when using direct current signal to supply power, rectification circuit is arranged in the set inside of LED fluorescent tube shell as power supply signal; As, rectifier bridge can be avoided the polarity inversion of input signal through rectifier bridge; That is, no matter how the input signal polarity of LED lamp tube ends changes, the signal polarity of exporting from rectifier bridge is correct all the time; And then just realized the random installation of LED fluorescent tube, need not consider the polarity problems of LED fluorescent tube.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Figure 1A shows the wire laying mode of traditional fluorescent tube;
Figure 1B shows the wire laying mode behind traditional fluorescent lamp Rotate 180 degree;
Fig. 2 A shows the external and wire laying mode existing LED fluorescent tube when utilizing direct current supply of led drive circuit;
Fig. 2 B shows the wire laying mode behind the LED fluorescent tube Rotate 180 degree among Fig. 2 A;
Fig. 3 A shows the built-in and wire laying mode existing LED fluorescent tube when utilizing direct current supply of led drive circuit;
Fig. 3 B shows the wire laying mode behind the LED fluorescent tube Rotate 180 degree among Fig. 3 A;
Fig. 4 A shows the built-in and wire laying mode existing LED fluorescent tube when utilizing Alternating Current Power Supply of led drive circuit;
Fig. 4 B shows the wire laying mode behind the LED fluorescent tube Rotate 180 degree among Fig. 4 A;
Fig. 5 A shows the wire laying mode according to the LED fluorescent tube of the embodiment of the invention;
Fig. 5 B shows the wire laying mode behind the LED fluorescent tube Rotate 180 degree among Fig. 5 A;
Fig. 6 A shows the wire laying mode of LED fluorescent tube according to another embodiment of the present invention;
Fig. 6 B shows the wire laying mode behind the LED fluorescent tube Rotate 180 degree among Fig. 6 A;
Fig. 7 A shows the wire laying mode according to the LED fluorescent tube of further embodiment of this invention;
Fig. 7 B shows the wire laying mode behind the LED fluorescent tube Rotate 180 degree among Fig. 7 A.
The specific embodiment
Basic thought of the present invention is: connect up by cornerwise mode through the line that a pair of type is identical (pair of electrical source signal line or pair of control holding wire); Promptly; Be arranged at the two poles of the earth of power supply signal on two binding posts of fluorescent tube shell according to cornerwise mode; The two poles of the earth with control signal are arranged on two other binding post of fluorescent tube shell according to cornerwise mode simultaneously, and through the set inside rectification circuit at LED fluorescent tube shell, realize the random installation of LED fluorescent tube.
Below with reference to accompanying drawing and combine embodiment, specify realization of the present invention.
Fig. 5 A shows the wire laying mode according to the LED fluorescent tube of the embodiment of the invention.Shown in Fig. 5 A, the LED fluorescent tube of the embodiment of the invention comprises:
Fluorescent tube shell with four binding posts (A, B, C, D); Four binding posts divide into groups in twos, lay respectively at the two ends of fluorescent tube shell, are used for receiving inputted signal; Wherein, A, B are divided into one group of side that is positioned at the fluorescent tube shell, and C, D are divided into one group of opposite side that is positioned at the fluorescent tube shell, and the A ' shown in Fig. 5 A, B ', C ', D ' are four binding posts of LED daylight lamp bracket.In the present embodiment, the input signal that receives can comprise power supply signal and control signal, and power supply signal can be divided into direct current signal and AC signal again.
The LED light-emitting component is arranged at the inside of fluorescent tube shell, is that example is introduced with two groups of LED in the present embodiment, will export to the LED light-emitting component by the input signal that binding post (A, B, C, D) receives.
Rectification circuit is arranged between binding post (A, B, C, D) and the LED light-emitting component, is used for input signal is regulated to avoid error-polarity connection, and the rectification circuit described in the present embodiment can be rectifier bridge.
Especially, in the present embodiment, the wire laying mode of four binding posts (A, B, C, D) is provided with by diagonal way.Promptly; The two poles of the earth with a pair of power supply signal will be arranged at according to cornerwise mode on two binding posts of fluorescent tube shell; As, the positive pole and the negative pole of first group of direct current signal is arranged on A, the C diagonal, and the positive pole and the negative pole of second group of direct current signal is arranged on B, the D diagonal.
Particularly; In the present embodiment; First group of direct current signal is input to rectifier bridge by binding post A, C, is added to first group of LED element (one group of LED element that for simplicity, will be positioned at the below is called first group of LED element) two ends through the signal of exporting after the rectifier bridge rectification; Second group of direct current signal is input to the another one rectifier bridge by binding post B, D; Be added to second group of LED element two ends of (same, for simplicity, one group of LED element that will be positioned at the top is called second group of LED element) through the signal of exporting after this rectifier bridge rectification.
Fig. 5 B shows the wire laying mode behind the LED fluorescent tube Rotate 180 degree among Fig. 5 A.Shown in Fig. 5 B; Owing to adopt cornerwise wire laying mode in the inside of LED fluorescent tube; Behind the LED fluorescent tube Rotate 180 degree; Remaining by first group of direct current signal is first group of LED element power supply through rectifier bridge, and equally, remaining by second group of direct current signal is second group of LED element power supply through rectifier bridge.And; Owing on a pair of circuit, added rectifier bridge; So no matter how the polarity of added power supply signal changes on each terminal of LED fluorescent tube (as; In Fig. 5 A, the added power supply signal of binding post A and C is respectively the negative pole and the positive pole of first group of direct current signal, and the added power supply signal of binding post B and D is respectively the negative pole and the positive pole of second group of direct current signal; And in Fig. 5 B, the added power supply signal of binding post A and C is respectively the positive pole and the negative pole of first group of direct current signal, and the added power supply signal of binding post B and D is respectively the negative pole and the positive pole of second group of direct current signal.), be correct all the time by the polarity of the power supply signal of exporting to the LED light-emitting component after the rectifier bridge rectification, promptly can satisfy the turn-on condition of LED light-emitting component.
To sum up, when using LED fluorescent tube of the present invention, the polarity of LED fluorescent tube needn't be considered, the random installation of LED fluorescent tube can be realized.
For LED fluorescent tube of the present invention, can also comprise driver element.This driver element can be arranged at the outside of fluorescent tube shell, also can be arranged at the inside of fluorescent tube shell.Fig. 5 A and Fig. 5 B show the embodiment that driver element is external, below will further describe driver element built-inly,, place the embodiment of fluorescent tube enclosure that is.
Fig. 6 A shows the wire laying mode of LED fluorescent tube according to another embodiment of the present invention.Especially, in the present embodiment, input signal comprises direct current signal and control signal, promptly adopts direct current signal to be the power supply of LED element.Shown in Fig. 6 A; Four binding posts (A, B, C, D) for the fluorescent tube shell still adopt cornerwise wire laying mode; Promptly; The two poles of the earth of power supply signal will be arranged at according to cornerwise mode on two binding posts of fluorescent tube shell, and the two poles of the earth of control signal will be arranged at according to cornerwise mode on two other binding post of fluorescent tube shell, more specifically; On the A and two binding posts of C that the positive pole and the negative pole of direct current signal is added to the fluorescent tube shell respectively, and on the B and two binding posts of D that the positive pole and the negative pole of control signal is added to the fluorescent tube shell respectively.
In the present embodiment, driver element is built-in, promptly is arranged at the fluorescent tube enclosure.Driver element can comprise light-emitting diode driving board; Be used to the LED light-emitting component constant current or constant voltage are provided; Because the power supply signal shown in Fig. 6 A is a direct current signal; So said light-emitting diode driving board is the DC-DC light-emitting diode driving board, and direct current signal is added on the DC-DC light-emitting diode driving board through rectifier bridge by binding post A and C.
Equally, driver element can also comprise photoelectrical coupler, is used under the control of control signal, realizing the colour temperature control of LED fluorescent tube, and wherein, said control signal is added on the photoelectrical coupler through rectifier bridge by binding post B and D.
Fig. 6 B shows the wire laying mode behind the LED fluorescent tube Rotate 180 degree among Fig. 6 A.Shown in Fig. 6 B; Owing to adopt cornerwise wire laying mode in the inside of LED fluorescent tube; Behind the LED fluorescent tube Rotate 180 degree; Be applied to and still be direct current signal on A and two binding posts of C of fluorescent tube shell, same, on the B that is applied to the fluorescent tube shell and two binding posts of D still is control signal.Be that the postrotational mode of connection still can not made mistakes, do not influence the operate as normal of LED fluorescent tube.
Fig. 7 A shows the wire laying mode according to the LED fluorescent tube of further embodiment of this invention.Especially, in the present embodiment, input signal comprises AC signal and control signal, promptly adopts AC signal to be the power supply of LED element.Shown in Fig. 7 A; Four binding posts (A, B, C, D) for the fluorescent tube shell still adopt cornerwise wire laying mode; Promptly; Power supply signal will be arranged at according to cornerwise mode on two binding posts of fluorescent tube shell, and control signal will be arranged at according to cornerwise mode on two other binding post of fluorescent tube shell, more specifically; AC signal is added to respectively on the A and two binding posts of C of fluorescent tube shell, and on the B and two binding posts of D that the positive pole and the negative pole of control signal is added to the fluorescent tube shell respectively.
In the present embodiment, driver element is built-in equally, promptly is arranged at the fluorescent tube enclosure.Because in Fig. 7 A; Adopt AC signal to be the power supply of LED element; So the light-emitting diode driving board that driver element comprises is the ac/dc light-emitting diode driving board, this ac/dc light-emitting diode driving board can provide constant current or constant voltage for the LED light-emitting component.
In the present embodiment, the ac/dc light-emitting diode driving board is inner itself just to be provided with rectifier bridge, so AC signal can directly be added on the ac/dc light-emitting diode driving board.
Equally, driver element also can comprise photoelectrical coupler, is used under the control of control signal, realizing the colour temperature control of LED fluorescent tube, and wherein, said control signal is added on the photoelectrical coupler through rectifier bridge by binding post B and D.
Fig. 7 B shows the wire laying mode behind the LED fluorescent tube Rotate 180 degree among Fig. 7 A.Shown in Fig. 7 B; Owing to adopt cornerwise wire laying mode in the inside of LED fluorescent tube; Behind the LED fluorescent tube Rotate 180 degree; Be applied to and still be AC signal on A and two binding posts of C of fluorescent tube shell, same, on the B that is applied to the fluorescent tube shell and two binding posts of D still is control signal.Be that the postrotational mode of connection still can not made mistakes, do not influence the operate as normal of LED fluorescent tube.
From above description, can find out that the above embodiments of the present invention have realized following technique effect:
The present invention connects up according to diagonal way to four binding posts of fluorescent tube shell; The two poles of the earth of power supply signal are arranged at according to cornerwise mode on two binding posts of fluorescent tube shell, and the two poles of the earth with control signal are arranged on two other binding post of fluorescent tube shell, promptly according to cornerwise mode simultaneously; The line that a pair of type is identical (pair of electrical source signal line or pair of control holding wire) connects up by cornerwise mode; Like this, even LED fluorescent tube Rotate 180 degree, the power supply signal line still is connected with the power supply signal line; Control signal wire still is connected with control signal wire, can not cause connecting object to be made mistakes because of the rotation of LED fluorescent tube.
In addition, when using direct current signal to supply power, rectification circuit is arranged in the set inside of LED fluorescent tube shell as power supply signal; As, rectifier bridge can be avoided the polarity inversion of input signal through rectifier bridge; That is, no matter how the input signal polarity of LED lamp tube ends changes, the signal polarity of exporting from rectifier bridge is correct all the time; And then just realized the random installation of LED fluorescent tube, need not consider the polarity problems of LED fluorescent tube.
The above is merely the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a LED fluorescent tube is characterized in that, comprising:
Fluorescent tube shell with four binding posts, four binding posts divide into groups in twos, lay respectively at the two ends of fluorescent tube shell, are used for receiving inputted signal;
The LED light-emitting component is arranged at the inside of said fluorescent tube shell;
Rectification circuit is used for said input signal is regulated to avoid error-polarity connection;
Wherein, the wire laying mode of said four binding posts is provided with by diagonal way.
2. LED fluorescent tube according to claim 1 is characterized in that, the said input signal that receives comprises power supply signal and control signal.
3. LED fluorescent tube according to claim 2; It is characterized in that; The two poles of the earth of said power supply signal will be arranged at according to cornerwise mode on two binding posts of fluorescent tube shell, and the two poles of the earth of said control signal will be arranged on two other binding post of fluorescent tube shell according to cornerwise mode.
4. LED fluorescent tube according to claim 3 is characterized in that, said power supply signal is direct current signal or AC signal.
5. LED fluorescent tube according to claim 4 is characterized in that, said LED fluorescent tube also comprises driver element.
6. LED fluorescent tube according to claim 5 is characterized in that said driver element comprises light-emitting diode driving board, is used to said LED light-emitting component constant current or constant voltage are provided.
7. LED fluorescent tube according to claim 6 is characterized in that, when said power supply signal was direct current signal, said driver element comprised the DC-DC light-emitting diode driving board; When said power supply signal was AC signal, said driver element comprised the ac/dc light-emitting diode driving board.
8. LED fluorescent tube according to claim 5 is characterized in that said driver element also comprises photoelectrical coupler, is used under the control of said control signal, realizing the colour temperature control of LED fluorescent tube.
9. LED fluorescent tube according to claim 5 is characterized in that, said driver element is arranged at the outside of said fluorescent tube shell or is arranged at the inside of said fluorescent tube shell.
10. LED fluorescent tube according to claim 1 is characterized in that, said rectification circuit is a rectifier bridge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010623611.3A CN102537711B (en) | 2010-12-30 | 2010-12-30 | LED (Light-emitting Diode) fluorescent tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010623611.3A CN102537711B (en) | 2010-12-30 | 2010-12-30 | LED (Light-emitting Diode) fluorescent tube |
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| Publication Number | Publication Date |
|---|---|
| CN102537711A true CN102537711A (en) | 2012-07-04 |
| CN102537711B CN102537711B (en) | 2014-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201010623611.3A Expired - Fee Related CN102537711B (en) | 2010-12-30 | 2010-12-30 | LED (Light-emitting Diode) fluorescent tube |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104089210A (en) * | 2014-07-31 | 2014-10-08 | 陈泽 | COMMB-LED light source module |
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| CN201531764U (en) * | 2009-09-18 | 2010-07-21 | 宁波福泰电器有限公司 | LED lamp tube |
| CN201651844U (en) * | 2010-01-26 | 2010-11-24 | 重庆恒又源科技发展有限公司 | A kind of LED light |
| CN201983015U (en) * | 2010-12-30 | 2011-09-21 | 北京同步科技有限公司 | LED (light-emitting diode) fluorescent tube |
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2010
- 2010-12-30 CN CN201010623611.3A patent/CN102537711B/en not_active Expired - Fee Related
Patent Citations (7)
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|---|---|---|---|---|
| US20050168156A1 (en) * | 2004-01-30 | 2005-08-04 | 1 Energy Solutions, Inc. | LED light module and lighting string |
| CN2847780Y (en) * | 2005-10-14 | 2006-12-13 | 光纤设计公司 | Decoration lamp string with rectification circuit |
| CN201069072Y (en) * | 2007-07-23 | 2008-06-04 | 铭伟科技有限公司 | LED lamp tube |
| JP3139714U (en) * | 2007-12-10 | 2008-02-28 | 鳥海工業株式会社 | LED lamp |
| CN201531764U (en) * | 2009-09-18 | 2010-07-21 | 宁波福泰电器有限公司 | LED lamp tube |
| CN201651844U (en) * | 2010-01-26 | 2010-11-24 | 重庆恒又源科技发展有限公司 | A kind of LED light |
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| CN104089210A (en) * | 2014-07-31 | 2014-10-08 | 陈泽 | COMMB-LED light source module |
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| CN102537711B (en) | 2014-09-03 |
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Granted publication date: 20140903 |