CN107820342A - Light-emitting diode lamp tube - Google Patents
Light-emitting diode lamp tube Download PDFInfo
- Publication number
- CN107820342A CN107820342A CN201611115675.6A CN201611115675A CN107820342A CN 107820342 A CN107820342 A CN 107820342A CN 201611115675 A CN201611115675 A CN 201611115675A CN 107820342 A CN107820342 A CN 107820342A
- Authority
- CN
- China
- Prior art keywords
- electrode
- emitting diode
- light emitting
- electric stabilizer
- thermocurrent
- 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
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
A kind of light-emitting diode lamp tube is applied to an electric stabilizer, and the electric stabilizer includes four electrodes, and produces two standby voltages between the electrode, and then produces two pre- thermocurrents.The light-emitting diode lamp tube includes a light emitting diode, first rectification circuit, second rectification circuit, a first resistor device and a second resistance device.The first resistor device be electrically connected to four electrodes wherein between the two so that the pre- thermocurrent flows through the first resistor device, without flowing into first rectification circuit by the one of which of described two electrodes.The second resistance device is electrically connected to the wherein another between the two of four electrodes so that another pre- thermocurrent flows through the second resistance device, without flowing into second rectification circuit by the one of which of the another two electrode.Whereby, the electric stabilizer and the light-emitting diode lamp tube is protected not to be damaged.
Description
Technical field
The present invention relates to a kind of light-emitting diode lamp tube, is used for the electronic stabilization with pre- thermocurrent more particularly to a kind of
The light-emitting diode lamp tube of device.
Background technology
Refering to Fig. 1, a kind of existing fluorescent lamp (also known as fluorescent lamp；Fluorescent Lamp) include an electronic stabilization
Device (Electronic Ballast) 92 and a fluorescent tube 93.The fluorescent tube 93 includes be separately positioned on both ends one
First filament 94 and second filament 95.The electric stabilizer also receives an AC power, and the AC power is, for example, city
Electricity, it is special that the electricity is at 110 volts of pressure, and frequency is 60 hertz.When the fluorescent lamp is using pipeline start up by preheating (Preheating Start), quickly
When startup (Rapid Start) or formula start any of which of (Program Start), the electric stabilizer includes
One first electrode L1, a second electrode L2, a 3rd electrode R1 and a 4th electrode R2.The electric stabilizer
First electrode L1 and second electrode L2 is electrically connected the both ends of first filament 94 of the fluorescent tube 93.The electronics is pacified
Determine device the 3rd electrode R1 and the 4th electrode R2 be electrically connected the fluorescent tube 93 second filament 95 both ends.When
When the fluorescent lamp acts on, the electric stabilizer produces two pre- thermocurrents, and flows separately through first electrode L1 and the second electrode
L2, and the 3rd electrode R1 and the 4th electrode R2, to heat first filament 94 and second filament 95 respectively so that the lamp
Gas in tube body forms plasma-based, and then luminous.
Because existing this kind of fluorescent lamp is in large quantities using in daily life so that the light emitting diode developed afterwards
(LED) fluorescent tube must then be compatible to the design of existing fluorescent lamp, such as lamp socket directly to substitute existing fluorescent tube 93
And the electric stabilizer.Therefore, how a kind of light-emitting diode lamp tube is provided, the two pre- thermoelectricity is produced in the electric stabilizer
During stream, the light-emitting diode lamp tube or the damage of the electric stabilizer will not be caused, is become as an important problem.
The content of the invention
It is an object of the invention to provide a kind of pre- thermocurrent for preventing electric stabilizer to cause the light emitting diode of damage
Fluorescent tube.
Light-emitting diode lamp tube of the present invention, suitable for electrically connecting an electric stabilizer.The electric stabilizer includes one
First electrode, a second electrode, the 3rd electrode and the 4th electrode, and in the first electrode and the second electrode
Between produce first standby voltage and then produce a first pre- thermocurrent, and also between the 3rd electrode and the 4th electrode
Produce second standby voltage and then produce a second pre- thermocurrent.
The light-emitting diode lamp tube includes a light emitting diode, first rectification circuit, second rectification
Circuit, a first resistor device and a second resistance device.The light emitting diode includes a first end and one second
End.
First rectification circuit is electrically connected between the first end and second end of the light emitting diode, and is also electrically connected
Connect first electrode and the second electrode of the electric stabilizer.Second rectification circuit is electrically connected to the light emitting diode
The first end and second end between, and also electrically connect the 3rd electrode and the 4th electrode of the electric stabilizer.
The first resistor device is electrically connected between the first electrode and the second electrode of the electric stabilizer.The second resistance
Device, it is electrically connected between the 3rd electrode and the 4th electrode of the electric stabilizer.
Wherein, when the electric stabilizer produces the first pre- thermocurrent and the second pre- thermocurrent, the first pre- thermoelectricity
Stream flows through the first resistor device by the first electrode and the one of which of the second electrode, then flow into the first electrode and this
The wherein another one of two electrodes, without flowing through first rectification circuit.The second pre- thermocurrent by the 3rd electrode and this
The one of which of four electrodes, the second resistance device is flowed through, then flow into the wherein another one of the 3rd electrode and the 4th electrode, and
Second rectification circuit is not flowed through.
In some embodiment aspects, wherein, the light emitting diode includes multiple light emitting diodes.When described luminous two
When pole pipe is turned on and lighted, the first end and second end that a conducting electric current flows through the light emitting diode are defined, should
Conducting electric current is flowed out by the first electrode of the electric stabilizer and the one of which of the second electrode, via the light-emitting diodes
The first end of pipe unit and second end, then flow into the electric stabilizer the 3rd electrode and the 4th electrode it is wherein every
One, or, the conducting electric current is flowed out by the 3rd electrode of the electric stabilizer and the one of which of the 4th electrode, warp
The first end and second end by the light emitting diode, then flow into the electric stabilizer the first electrode and this second
The each of which of electrode.
In some embodiment aspects, wherein, resistance value size possessed by the first resistor device is relevant to first preheating
Ratio between the magnitude of voltage of voltage and the current value of the first pre- thermocurrent.Resistance value size phase possessed by the second resistance device
On the ratio between the magnitude of voltage of second standby voltage and the current value of the second pre- thermocurrent.
In some embodiment aspects, first standby voltage is equal to 3.6 volts (V) equal to second standby voltage, and this
One pre- thermocurrent and the second pre- thermocurrent are less than 360 milliamperes (mA), wherein, the resistance value of the first resistor device be equal to this
The resistance value of two resistors and both greater than 10 ohm.
In some embodiment aspects, wherein, first rectification circuit includes first diode, the two or two pole
Pipe, the 3rd diode and the 4th diode.Second rectification circuit include the 5th diode, one the 6th
Diode, the 7th diode and the 8th diode.
First diode includes the anode tap of a first electrode for electrically connecting the electric stabilizer, and one is electrically connected
Connect the cathode terminal of the first end of the light emitting diode.Second diode electrically connects the electric stabilizer comprising one
The anode tap of the second electrode, and the cathode terminal of a first end for electrically connecting the light emitting diode.
3rd diode includes the anode tap at second end for electrically connecting the light emitting diode, and an electricity
Connect the cathode terminal of the first electrode of the electric stabilizer.4th diode, the light emitting diode is electrically connected comprising one
The anode tap at second end of unit, and the cathode terminal of a second electrode for electrically connecting the electric stabilizer.
5th diode includes the anode tap of the 3rd electrode for electrically connecting the electric stabilizer, and one is electrically connected
Connect the cathode terminal of the first end of the light emitting diode.6th diode electrically connects the electric stabilizer comprising one
The anode tap of 4th electrode, and the cathode terminal of a first end for electrically connecting the light emitting diode.
7th diode includes the anode tap at second end for electrically connecting the light emitting diode, and an electricity
Connect the cathode terminal of the 3rd electrode of the electric stabilizer.8th diode electrically connects the light emitting diode list comprising one
The anode tap at second end of member, and the cathode terminal of the 4th electrode for electrically connecting the electric stabilizer.
The beneficial effect of the present invention is：Pass through first electricity being electrically connected between the first electrode and the second electrode
Device is hindered, and is electrically connected to the 3rd electrode and the 4th interelectrode second resistance device so that when the electric stabilizer produces
When the first pre- thermocurrent and the second pre- thermocurrent, the first pre- thermocurrent and the second pre- thermocurrent flow separately through this first
Resistor and the second resistance device, without flowing into first rectification circuit and second rectification circuit, and then protect the electronics
Stabilizer and the light-emitting diode lamp tube will not be damaged.
Brief description of the drawings
Fig. 1 is a block diagram, illustrates a kind of aspect of existing fluorescent lamp；And
Fig. 2 is a block diagram, illustrates one embodiment of light-emitting diode lamp tube of the present invention.
Embodiment
Below in conjunction with the accompanying drawings and embodiment the present invention is described in detail.
Before the present invention is described in detail, it shall be noted that in the following description content, similar element is with identical
Numbering represent.
Refering to Fig. 2, one embodiment of light-emitting diode lamp tube 1 of the present invention, suitable for foregoing existing electronic stabilization
Device 8.The electric stabilizer 8 receives an AC power 9, and the AC power is, for example, civil power, and it is special that the electricity is at 110 volts of pressure, and frequency is
60 hertz.The electric stabilizer 8 include a first electrode L1, a second electrode L2, one the 3rd electrode R1 and one the
Four electrode R2, and first standby voltage and then generation one first are produced between first electrode L1 and second electrode L2
Pre- thermocurrent, and produce also between the 3rd electrode R1 and the 4th electrode R2 second standby voltage and then produce one the
Two pre- thermocurrents.
It is whole that the light-emitting diode lamp tube 1 includes first rectification circuit 2, one second of light emitting diode 4, one
3, first resistor devices 5 of current circuit and a second resistance device 6.First rectification circuit 2 includes first diode
21st, second 22, the 3rd diodes 23 of diode and the 4th diode 24.Second rectification circuit 3 includes one
Individual 5th diode, 31, the 6th 32, the 7th diodes 33 of diode and the 8th diode 34.
The light emitting diode 4 includes a first end and second end.For example, the light emitting diode
4 include multiple light emitting diodes, and the light emitting diode connects in series or in parallel, and the light emitting diode 4
The first end electrically connect the light emitting diode at least one of which anode tap, the light emitting diode 4 this
Two ends electrically connect the cathode terminal of at least one of which of the light emitting diode.When the LEDs ON is luminous,
Define second end that a conducting electric current is flowed to the light emitting diode 4 by the first end of the light emitting diode 4.
First diode 21 of first rectification circuit 2 includes first electricity for electrically connecting the electric stabilizer 8
Pole L1 anode tap, and the cathode terminal of a first end for electrically connecting the light emitting diode 4.Second diode 22 wraps
Anode tap containing the second electrode for electrically connecting the electric stabilizer 8 L2, and one electrically connect the light emitting diode 4
The first end cathode terminal.3rd diode 23 includes second end for electrically connecting the light emitting diode 4
Anode tap, and a first electrode L1 for electrically connecting the electric stabilizer 8 cathode terminal.4th diode 24 includes one
Electrically connect the anode tap at second end of the light emitting diode 4, and second electricity for electrically connecting the electric stabilizer 8
Pole L2 cathode terminal.
5th diode 31 of second rectification circuit 3 includes the 3rd electricity for electrically connecting the electric stabilizer 8
Pole R1 anode tap, and the cathode terminal of a first end for electrically connecting the light emitting diode 4.6th diode 32 wraps
Anode tap containing a 4th electrode R2 for electrically connecting the electric stabilizer 8, and one electrically connect the light emitting diode 4
The first end cathode terminal.7th diode 33 includes second end for electrically connecting the light emitting diode 4
Anode tap, and a 3rd electrode R1 for electrically connecting the electric stabilizer 8 cathode terminal.8th diode 34 includes one
Electrically connect the anode tap at second end of the light emitting diode 4, and the 4th electricity for electrically connecting the electric stabilizer 8
Pole R2 cathode terminal.What is especially remarked additionally is：In the present embodiment, first rectification circuit 2 and second rectification circuit 3
It is a kind of circuit of bridge full-wave rectifier, and in other embodiments, first rectification circuit 2 and second rectification circuit 3
Can be the rectification circuit of other forms, it is not subject to the limits.
The first resistor device 5 is electrically connected between the first electrode L1 and second electrode L2 of the electric stabilizer 8.This
Two resistors 6 are electrically connected between the 3rd electrode R1 and the 4th electrode R2 of the electric stabilizer 8.In more detail, this
Resistance value size possessed by one resistor 5 is relevant to the magnitude of voltage of first standby voltage and the electric current of the first pre- thermocurrent
Ratio between value.Resistance value size possessed by the second resistance device 6 it is related with the magnitude of voltage of second standby voltage with this
Ratio between the current value of two pre- thermocurrents.In the present embodiment, first standby voltage is equal to equal to second standby voltage
3.6 volts (V), the first pre- thermocurrent and the second pre- thermocurrent are necessarily less than 360 milliamperes (mA), therefore, first electricity
The resistance value of device 5 is hindered equal to the resistance value of the second resistance device 6 and both greater than 10 ohm, such as is all 200 ohm, but not herein
Limit.
When the electric stabilizer 8 produces first standby voltage and second standby voltage respectively, and then produce respectively should
When the first pre- thermocurrent and the second pre- thermocurrent, the first pre- thermocurrent is by its of first electrode L1 and second electrode L2
Middle one, the first resistor device 5 is flowed through, then flow into first electrode L1 and second electrode L2 wherein another one, without
First rectification circuit 2 is flowed through, the second pre- thermocurrent is flowed through by the 3rd electrode R1 and the 4th electrode R2 one of which
The second resistance device 6, then flow into the 3rd electrode R1 and the 4th electrode R2 wherein another one, it is second whole without flowing through this
Current circuit 3.Therefore, the first resistor device 5 and the second resistance device 6 be designed to protect the electric stabilizer 8 and this is luminous
Diode lamp tube 1, without being damaged by pre- thermocurrent.
Furthermore when the LEDs ON of the light emitting diode 4 is luminous, the conducting electric current is by the electricity
The first electrode L1 and second electrode L2 of sub- stabilizer 8 one of which outflow, via being somebody's turn to do for the light emitting diode 4
First end and second end, then the 3rd electrode R1 of the electric stabilizer 8 and the 4th electrode R2 one of which are flowed into, or
Person, the conducting electric current are the one of which outflows by the 3rd electrode R1 and the 4th electrode R2 of the electric stabilizer 8, via
The first end of the light emitting diode 4 and second end, then flow into the electric stabilizer 8 first electrode L1 and this
Two electrode L2 one of which.In other words, the conducting electric current can't flow through the first resistor device 5 and the second resistance device 6,
That is, the design of the first resistor device 5 and the second resistance device 6 is in 4 normal luminous of light emitting diode, not
Extra power attenuation can be increased.
In summary, the first resistor device 5 being electrically connected between first electrode L1 and second electrode L2, and electricity are passed through
The second resistance device 6 being connected between the 3rd electrode R1 and the 4th electrode R2 so that when the electric stabilizer 8 produce this
When one pre- thermocurrent and the second pre- thermocurrent, the first pre- thermocurrent and the second pre- thermocurrent flow separately through the first resistor
Device 5 and the second resistance device 6, without flowing into first rectification circuit 2 and second rectification circuit 3, and then protect the electronics
Stabilizer 8 and the light-emitting diode lamp tube 1 will not be damaged, furthermore, should in 4 normal luminous of light emitting diode
Conducting electric current does not flow through the first resistor device 5 and the second resistance device 6 yet, the loss without increasing power, so really
The purpose of the present invention can be reached.
Claims (5)
1. a kind of light-emitting diode lamp tube, suitable for electrically connecting an electric stabilizer, the electric stabilizer includes one first
Electrode, a second electrode, the 3rd electrode and the 4th electrode, and produced between the first electrode and the second electrode
One the first pre- thermocurrent of raw first standby voltage and then generation, and also produced between the 3rd electrode and the 4th electrode
One the second pre- thermocurrent of one the second standby voltage and then generation, it is characterised in that the light-emitting diode lamp tube includes：
One light emitting diode, including a first end and second end；
One the first rectification circuit, it is electrically connected between the first end and second end of the light emitting diode, and is also electrically connected
Connect first electrode and the second electrode of the electric stabilizer；
One the second rectification circuit, it is electrically connected between the first end and second end of the light emitting diode, and is also electrically connected
Connect the 3rd electrode and the 4th electrode of the electric stabilizer；
One first resistor device, it is electrically connected between the first electrode and the second electrode of the electric stabilizer；And
One second resistance device, it is electrically connected between the 3rd electrode and the 4th electrode of the electric stabilizer；
When the electric stabilizer produces the first pre- thermocurrent and the second pre- thermocurrent, the first pre- thermocurrent by this first
The one of which of electrode and the second electrode, flow through the first resistor device, then flow into the first electrode and the second electrode its
Middle another one, without flowing through first rectification circuit, the second pre- thermocurrent is by its of the 3rd electrode and the 4th electrode
Middle one, the second resistance device is flowed through, then flow into the wherein another one of the 3rd electrode and the 4th electrode, without flowing through this
Second rectification circuit.
2. light-emitting diode lamp tube according to claim 1, it is characterised in that：The light emitting diode includes multiple hairs
Optical diode, when the LEDs ON is luminous, defines a conducting electric current and flow through the light emitting diode
The first end and second end, the conducting electric current be by the electric stabilizer the first electrode and the second electrode wherein one
Person is flowed out, the first end and second end via the light emitting diode, then flows into the 3rd electricity of the electric stabilizer
Pole and each of which of the 4th electrode, or, the conducting electric current be by the 3rd electrode of the electric stabilizer and this
The one of which outflow of four electrodes, the first end and second end via the light emitting diode, then flow into electronics peace
Determine the first electrode of device and each of which of the second electrode.
3. light-emitting diode lamp tube according to claim 2, it is characterised in that：Resistance value possessed by the first resistor device
Size is relevant to the ratio between the magnitude of voltage of first standby voltage and the current value of the first pre- thermocurrent, the second resistance device
Possessed resistance value size is relevant to the ratio between the magnitude of voltage of second standby voltage and the current value of the second pre- thermocurrent
Value.
4. light-emitting diode lamp tube according to claim 3, it is characterised in that：It is second pre- that first standby voltage is equal to this
Thermal voltage is equal to 3.6 volts (V), and the first pre- thermocurrent and the second pre- thermocurrent are less than 360 milliamperes (mA), first electricity
The resistance value of device is hindered equal to the resistance value of the second resistance device and both greater than 10 ohm.
5. light-emitting diode lamp tube according to claim 2, it is characterised in that：First rectification circuit includes：
One the first diode, the anode tap of a first electrode for electrically connecting the electric stabilizer is included, and one is electrically connected
Connect the cathode terminal of the first end of the light emitting diode；
One the second diode, the anode tap of a second electrode for electrically connecting the electric stabilizer is included, and one is electrically connected
Connect the cathode terminal of the first end of the light emitting diode；
One the 3rd diode, include the anode tap at second end for electrically connecting the light emitting diode, and an electricity
Connect the cathode terminal of the first electrode of the electric stabilizer；And
One the 4th diode, include the anode tap at second end for electrically connecting the light emitting diode, and an electricity
Connect the cathode terminal of the second electrode of the electric stabilizer；
Second rectification circuit includes：
One the 5th diode, the anode tap of the 3rd electrode for electrically connecting the electric stabilizer is included, and one is electrically connected
Connect the cathode terminal of the first end of the light emitting diode；
One the 6th diode, the anode tap of the 4th electrode for electrically connecting the electric stabilizer is included, and one is electrically connected
Connect the cathode terminal of the first end of the light emitting diode；
One the 7th diode, include the anode tap at second end for electrically connecting the light emitting diode, and an electricity
Connect the cathode terminal of the 3rd electrode of the electric stabilizer；And
One the 8th diode, include the anode tap at second end for electrically connecting the light emitting diode, and an electricity
Connect the cathode terminal of the 4th electrode of the electric stabilizer.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201662394065P | 2016-09-13 | 2016-09-13 | |
| US62/394065 | 2016-09-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107820342A true CN107820342A (en) | 2018-03-20 |
Family
ID=61600856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611115675.6A Pending CN107820342A (en) | 2016-09-13 | 2016-12-07 | Light-emitting diode lamp tube |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107820342A (en) |
| TW (1) | TW201811120A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6179655B1 (en) * | 1996-11-06 | 2001-01-30 | Philips Electronics North America Corporation | Electrical connecting device |
| CN202750268U (en) * | 2012-06-21 | 2013-02-20 | 中山市尔全照明有限公司 | LED fluorescent lamp circuit device without disassembling electronic ballast |
| CN203708601U (en) * | 2014-02-13 | 2014-07-09 | 伟诠电子股份有限公司 | Improved LED tube compatible with T5/T8 electronic ballast |
| CN104006309A (en) * | 2013-02-26 | 2014-08-27 | 朗捷科技股份有限公司 | LED lamp tube compatible with electronic ballast with preheating current |
| CN105792409A (en) * | 2015-01-08 | 2016-07-20 | 亚树科技股份有限公司 | Light-emitting diode lamp tube adaptive to electronic ballast or commercial power and control method thereof |
-
2016
- 2016-11-25 TW TW105138767A patent/TW201811120A/en unknown
- 2016-12-07 CN CN201611115675.6A patent/CN107820342A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6179655B1 (en) * | 1996-11-06 | 2001-01-30 | Philips Electronics North America Corporation | Electrical connecting device |
| CN202750268U (en) * | 2012-06-21 | 2013-02-20 | 中山市尔全照明有限公司 | LED fluorescent lamp circuit device without disassembling electronic ballast |
| CN104006309A (en) * | 2013-02-26 | 2014-08-27 | 朗捷科技股份有限公司 | LED lamp tube compatible with electronic ballast with preheating current |
| CN203708601U (en) * | 2014-02-13 | 2014-07-09 | 伟诠电子股份有限公司 | Improved LED tube compatible with T5/T8 electronic ballast |
| CN105792409A (en) * | 2015-01-08 | 2016-07-20 | 亚树科技股份有限公司 | Light-emitting diode lamp tube adaptive to electronic ballast or commercial power and control method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201811120A (en) | 2018-03-16 |
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Application publication date: 20180320 |
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