CN102537711B - LED (Light-emitting Diode) fluorescent tube - Google Patents
LED (Light-emitting Diode) fluorescent tube Download PDFInfo
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- CN102537711B CN102537711B CN201010623611.3A CN201010623611A CN102537711B CN 102537711 B CN102537711 B CN 102537711B CN 201010623611 A CN201010623611 A CN 201010623611A CN 102537711 B CN102537711 B CN 102537711B
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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 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, LED fluorescent lamp is being brought into play more and more important effect at lighting field, because LED fluorescent lamp has numerous advantages, for example, energy-conservation, long service life, noiselessness etc., make increasing place all bring into use LED fluorescent lamp as lighting apparatus.
As everyone knows, traditional fluorescent tube has four binding posts, as shown in Figure 1, lays respectively at the two ends (two, 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, as shown in FIG. 1A and 1B, fluorescent tube can be normally luminous.
Fig. 2 shows LED drive circuit wire laying mode external and existing LED fluorescent tube while utilizing direct current supply, and wherein, Fig. 2 A is correct wire laying mode, and Fig. 2 B is the reversal connection mode after LED fluorescent tube Rotate 180 degree; Fig. 3 shows LED drive circuit wire laying mode built-in and existing LED fluorescent tube while utilizing direct current supply, and wherein, Fig. 3 A is correct wire laying mode, and Fig. 3 B is the reversal connection mode after 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 completely different, because LED is directive, make it luminously need to meet two conditions: one, to add forward dc voltage to LED, as Fig. 2 A and Fig. 3 A; Two, the amplitude of forward dc voltage reaches the conducting voltage of LED.If there is any one condition not meet, LED fluorescent tube is all not irradiative, thus when being installed, LED fluorescent tube needs extreme care, if anti-loaded LED lamp just can not be luminous, as shown in Fig. 2 B and Fig. 3 B.
Fig. 4 shows LED drive circuit wire laying mode built-in and existing LED fluorescent tube while utilizing Alternating Current Power Supply, and wherein, Fig. 4 A is correct wire laying mode, and Fig. 4 B is the reversal connection mode after 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 anti-loaded (as shown in Figure 4 B) probably damages device, 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, the problem that cannot arbitrarily install to solve the LED fluorescent tube that exists in prior art.
For achieving the above object, technical scheme of the present invention is achieved in that
A kind of LED fluorescent tube, comprising:
Have the tube housing of four binding posts, four binding posts divide into groups between two, lay respectively at the two ends of tube housing, for receiving input signal;
LED light-emitting component, is arranged at the inside of described tube housing;
Rectification circuit, for regulating to avoid error-polarity connection to described input signal;
Wherein, the wire laying mode of described four binding posts arranges by diagonal way.
Preferably, the described input signal receiving comprises power supply signal and control signal.
Preferably, the two poles of the earth of described power supply signal will be arranged at according to cornerwise mode on two binding posts of tube housing, and the two poles of the earth of described control signal will be arranged on two other binding post of tube housing according to cornerwise mode.
Preferably, described power supply signal is direct current signal or AC signal.
Preferably, described LED fluorescent tube also comprises driver element.
Preferably, described driver element comprises light-emitting diode driving board, is used to described LED light-emitting component that constant current or constant voltage are provided.
Preferably, in the time that described power supply signal is direct current signal, described driver element comprises DC-DC light-emitting diode driving board; In the time that described power supply signal is AC signal, described driver element comprises ac/dc light-emitting diode driving board.
Preferably, described driver element also comprises photoelectrical coupler, for realize the colour temperature control of LED fluorescent tube under the control of described control signal.
Preferably, described driver element is arranged at the outside of described tube housing or is arranged at the inside of described tube housing.
Preferably, described rectification circuit is rectifier bridge.
Technique effect of the present invention:
The present invention connects up according to diagonal way to four of tube housing binding posts, the two poles of the earth of power supply signal are arranged at according to cornerwise mode on two binding posts of tube housing, the two poles of the earth of control signal are arranged at according to cornerwise mode on two other binding post of tube housing simultaneously, , line identical a pair of type (a pair of power signal line or pair of control holding wire) is connected up by cornerwise mode, like this, even if LED tube rotation 180 is spent, power signal line is still connected with power signal line, control signal wire is still connected with control signal wire, can not cause connecting object to be made mistakes because of LED tube rotation.
In addition, while using direct current signal to power as power supply signal, inside at LED tube housing is provided with rectification circuit, as, rectifier bridge, can avoid the polarity inversion of input signal by rectifier bridge,, no matter how the input signal polarity of LED lamp tube ends changes, be, correct all the time from the signal polarity of rectifier bridge output, and then just realized the random installation of LED fluorescent tube, do not need to consider the polarity problems of LED fluorescent tube.
Brief description of the drawings
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms the application's a part, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation 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 after traditional fluorescent lamp Rotate 180 degree;
Fig. 2 A shows LED drive circuit wire laying mode external and existing LED fluorescent tube while utilizing direct current supply;
Fig. 2 B shows the wire laying mode after the LED fluorescent tube Rotate 180 degree in Fig. 2 A;
Fig. 3 A shows LED drive circuit wire laying mode built-in and existing LED fluorescent tube while utilizing direct current supply;
Fig. 3 B shows the wire laying mode after the LED fluorescent tube Rotate 180 degree in Fig. 3 A;
Fig. 4 A shows LED drive circuit wire laying mode built-in and existing LED fluorescent tube while utilizing Alternating Current Power Supply;
Fig. 4 B shows the wire laying mode after the LED fluorescent tube Rotate 180 degree in Fig. 4 A;
Fig. 5 A shows according to the wire laying mode of the LED fluorescent tube of the embodiment of the present invention;
Fig. 5 B shows the wire laying mode after the LED fluorescent tube Rotate 180 degree in 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 after the LED fluorescent tube Rotate 180 degree in Fig. 6 A;
Fig. 7 A shows according to the wire laying mode of the LED fluorescent tube of further embodiment of this invention;
Fig. 7 B shows the wire laying mode after the LED fluorescent tube Rotate 180 degree in Fig. 7 A.
Detailed description of the invention
Basic thought of the present invention is: by line identical a pair of type (a pair of power signal line or pair of control holding wire) is connected up by cornerwise mode,, the two poles of the earth of power supply signal are arranged at according to cornerwise mode on two binding posts of tube housing, the two poles of the earth of control signal are arranged at according to cornerwise mode on two other binding post of tube housing simultaneously, and by rectification circuit being set in the inside of LED tube housing, realize the random installation of LED fluorescent tube.
Below with reference to the accompanying drawings and in conjunction with the embodiments, describe realization of the present invention in detail.
Fig. 5 A shows according to the wire laying mode of the LED fluorescent tube of the embodiment of the present invention.As shown in Figure 5A, the LED fluorescent tube of the embodiment of the present invention comprises:
There is the tube housing of four binding posts (A, B, C, D), four binding posts divide into groups between two, lay respectively at the two ends of tube housing, be used for receiving input signal, wherein, A, B are divided into one group of side that is positioned at tube housing, and C, D are divided into one group of opposite side that is positioned at tube housing, 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 receiving can comprise power supply signal and control signal, and power supply signal can be divided into again direct current signal and AC signal.
LED light-emitting component, is arranged at the inside of tube housing, is introduced in the present embodiment as an example of two groups of LED example, and the input signal being received by binding post (A, B, C, D) will be exported to LED light-emitting component.
Rectification circuit, is arranged between binding post (A, B, C, D) and LED light-emitting component, and for input signal being regulated to avoid error-polarity connection, 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) arranges by diagonal way.; 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 tube housing; as, the positive pole of first group of direct current signal and negative pole are arranged on A, C diagonal, and the positive pole of second group of direct current signal and negative pole are arranged on B, D diagonal.
Particularly, in the present embodiment, first group of direct current signal is input to rectifier bridge by binding post A, C, the signal of exporting after rectifier bridge rectification is added to first group of LED element (for simplicity, the one group of LED element that is positioned at below is called to first group of LED element) two ends, second group of direct current signal is input to another one rectifier bridge by binding post B, D, it is (same that the signal of exporting after this rectifier bridge rectification is added to second group of LED element, for simplicity, by be positioned at top one group of LED element be called second group of LED element) two ends.
Fig. 5 B shows the wire laying mode after the LED fluorescent tube Rotate 180 degree in Fig. 5 A.As shown in Figure 5 B, owing to adopting cornerwise wire laying mode in the inside of LED fluorescent tube, after LED fluorescent tube Rotate 180 degree, remaining by first group of direct current signal is that first group of LED element powered through rectifier bridge, equally, remaining by second group of direct current signal is that second group of LED element powered through rectifier bridge.And, owing to having added rectifier bridge on a pair of circuit, so no matter on each terminal of LED fluorescent tube, how the polarity of added power supply signal changes (as, in Fig. 5 A, the added power supply signal of binding post A and C is respectively 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 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 positive pole and the negative pole of first group of direct current signal, the added power supply signal of binding post B and D is respectively 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 LED light-emitting component after rectifier bridge rectification, can meet the turn-on condition of LED light-emitting component.
To sum up, in the time 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 tube housing, also can be arranged at the inside of tube housing.Fig. 5 A and Fig. 5 B show embodiment external driver element, below will further describe driver element built-inly,, are placed in the embodiment of tube housing inside 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, and adopting direct current signal is the power supply of LED element.As shown in Figure 6A, for four binding post (A of tube housing, B, C, D) still adopt cornerwise wire laying mode, , the two poles of the earth of power supply signal will be arranged at according to cornerwise mode on two binding posts of tube housing, the two poles of the earth of control signal will be arranged at according to cornerwise mode on two other binding post of tube housing, more specifically, the positive pole of direct current signal and negative pole are added to respectively on the A and two binding posts of C of tube housing, and the positive pole of control signal and negative pole are added to respectively on the B and two binding posts of D of tube housing.
In the present embodiment, driver element is built-in, is arranged at tube housing inside.Driver element can comprise light-emitting diode driving board, be used to LED light-emitting component that constant current or constant voltage are provided, because the power supply signal shown in Fig. 6 A is direct current signal, so described light-emitting diode driving board is DC-DC light-emitting diode driving board, and direct current signal is added on DC-DC light-emitting diode driving board through rectifier bridge by binding post A and C.
Equally, driver element can also comprise photoelectrical coupler, and for realize the colour temperature control of LED fluorescent tube under the control of control signal, wherein, described control signal is added on photoelectrical coupler through rectifier bridge by binding post B and D.
Fig. 6 B shows the wire laying mode after the LED fluorescent tube Rotate 180 degree in Fig. 6 A.As shown in Figure 6B, owing to adopting cornerwise wire laying mode in the inside of LED fluorescent tube, after LED fluorescent tube Rotate 180 degree, be applied on the A of tube housing and two binding posts of C is still direct current signal, equally, being applied on the B of tube housing and two binding posts of D is still control signal.Be that the postrotational mode of connection still can not be made mistakes, do not affect the normal work of LED fluorescent tube.
Fig. 7 A shows according to the wire laying mode of the LED fluorescent tube of further embodiment of this invention.Especially, in the present embodiment, input signal comprises AC signal and control signal, and adopting AC signal is the power supply of LED element.As shown in Figure 7 A, four binding posts (A, B, C, D) for tube housing still adopt cornerwise wire laying mode,, power supply signal will be arranged at according to cornerwise mode on two binding posts of tube housing, control signal will be arranged at according to cornerwise mode on two other binding post of tube housing, more specifically, AC signal is added to respectively on the A and two binding posts of C of tube housing, and the positive pole of control signal and negative pole are added to respectively on the B and two binding posts of D of tube housing.
In the present embodiment, driver element is built-in equally, is arranged at tube housing inside.Due in Fig. 7 A, adopting AC signal is the power supply of LED element, so the light-emitting diode driving board that driver element comprises is ac/dc light-emitting diode driving board, this ac/dc light-emitting diode driving board can provide constant current or constant voltage for LED light-emitting component.
In the present embodiment, ac/dc light-emitting diode driving board is inner itself is just provided with rectifier bridge, so AC signal can directly be added on ac/dc light-emitting diode driving board.
Equally, driver element also can comprise photoelectrical coupler, and for realize the colour temperature control of LED fluorescent tube under the control of control signal, wherein, described control signal is added on photoelectrical coupler through rectifier bridge by binding post B and D.
Fig. 7 B shows the wire laying mode after the LED fluorescent tube Rotate 180 degree in Fig. 7 A.As shown in Figure 7 B, owing to adopting cornerwise wire laying mode in the inside of LED fluorescent tube, after LED fluorescent tube Rotate 180 degree, be applied on the A of tube housing and two binding posts of C is still AC signal, equally, being applied on the B of tube housing and two binding posts of D is still control signal.Be that the postrotational mode of connection still can not be made mistakes, do not affect the normal work of LED fluorescent tube.
As can be seen from the above description, the above embodiments of the present invention have realized following technique effect:
The present invention connects up according to diagonal way to four of tube housing binding posts, the two poles of the earth of power supply signal are arranged at according to cornerwise mode on two binding posts of tube housing, the two poles of the earth of control signal are arranged at according to cornerwise mode on two other binding post of tube housing simultaneously, , line identical a pair of type (a pair of power signal line or pair of control holding wire) is connected up by cornerwise mode, like this, even if LED tube rotation 180 is spent, power signal line is still connected with power signal line, control signal wire is still connected with control signal wire, can not cause connecting object to be made mistakes because of LED tube rotation.
In addition, while using direct current signal to power as power supply signal, inside at LED tube housing is provided with rectification circuit, as, rectifier bridge, can avoid the polarity inversion of input signal by rectifier bridge,, no matter how the input signal polarity of LED lamp tube ends changes, be, correct all the time from the signal polarity of rectifier bridge output, and then just realized the random installation of LED fluorescent tube, do not need to consider the polarity problems of LED fluorescent tube.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (8)
1. a LED fluorescent tube, is characterized in that, comprising:
Have the tube housing of four binding posts, four binding posts divide into groups between two, lay respectively at the two ends of tube housing, for receiving input signal;
LED light-emitting component, is arranged at the inside of described tube housing;
Rectification circuit, for regulating to avoid error-polarity connection to described input signal;
Wherein, described input signal comprises power supply signal and control signal, the two poles of the earth of described power supply signal will be arranged at according to cornerwise mode on two binding posts of tube housing, and the two poles of the earth of described control signal will be arranged on two other binding post of tube housing according to cornerwise mode.
2. LED fluorescent tube according to claim 1, is characterized in that, described power supply signal is direct current signal or AC signal.
3. LED fluorescent tube according to claim 2, is characterized in that, described LED fluorescent tube also comprises driver element.
4. LED fluorescent tube according to claim 3, is characterized in that, described driver element comprises light-emitting diode driving board, is used to described LED light-emitting component that constant current or constant voltage are provided.
5. LED fluorescent tube according to claim 4, is characterized in that, in the time that described power supply signal is direct current signal, described driver element comprises DC-DC light-emitting diode driving board; In the time that described power supply signal is AC signal, described driver element comprises ac/dc light-emitting diode driving board.
6. LED fluorescent tube according to claim 3, is characterized in that, described driver element also comprises photoelectrical coupler, for realize the colour temperature control of LED fluorescent tube under the control of described control signal.
7. LED fluorescent tube according to claim 3, is characterized in that, described driver element is arranged at the outside of described tube housing or is arranged at the inside of described tube housing.
8. LED fluorescent tube according to claim 1, is characterized in that, described rectification circuit is 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 |
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| CN102537711A CN102537711A (en) | 2012-07-04 |
| CN102537711B true CN102537711B (en) | 2014-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201010623611.3A Active CN102537711B (en) | 2010-12-30 | 2010-12-30 | LED (Light-emitting Diode) fluorescent tube |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104089210A (en) * | 2014-07-31 | 2014-10-08 | 陈泽 | COMMB-LED light source module |
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|---|---|---|---|---|
| CN2847780Y (en) * | 2005-10-14 | 2006-12-13 | 光纤设计公司 | Decoration lamp string with rectification circuit |
| JP3139714U (en) * | 2007-12-10 | 2008-02-28 | 鳥海工業株式会社 | LED lamp |
| CN201069072Y (en) * | 2007-07-23 | 2008-06-04 | 铭伟科技有限公司 | LED lamp tube |
| 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 | LED lamp |
| CN201983015U (en) * | 2010-12-30 | 2011-09-21 | 北京同步科技有限公司 | LED (light-emitting diode) fluorescent tube |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7045965B2 (en) * | 2004-01-30 | 2006-05-16 | 1 Energy Solutions, Inc. | LED light module and series connected light modules |
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2010
- 2010-12-30 CN CN201010623611.3A patent/CN102537711B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 | LED lamp |
| 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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| CN102537711A (en) | 2012-07-04 |
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