CN106102255B - Simulate filament impedances circuit, LED lamp tube and LED illumination System - Google Patents
Simulate filament impedances circuit, LED lamp tube and LED illumination System Download PDFInfo
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- CN106102255B CN106102255B CN201610630221.6A CN201610630221A CN106102255B CN 106102255 B CN106102255 B CN 106102255B CN 201610630221 A CN201610630221 A CN 201610630221A CN 106102255 B CN106102255 B CN 106102255B
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- 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]
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention provides one kind to simulate filament impedances circuit, LED lamp tube and LED illumination System, wherein, the simulation filament impedances circuit has pole frequency and zero frequency, wherein, the pole frequency is less than the zero frequency, when incoming frequency is less than the pole frequency, the equivalent impedance of the simulation filament impedances circuit keeps constant, for the first equivalent impedance, when incoming frequency is more than the pole frequency and is less than the zero frequency, the equivalent impedance of the simulation filament impedances circuit reduces with the rise of the incoming frequency, when incoming frequency is more than the zero frequency, the equivalent impedance of the simulation filament impedances circuit keeps constant, for the second equivalent impedance, and first equivalent impedance is more than second equivalent impedance.Using simulation filament impedances circuit provided by the invention, the requirement of IEC standard test can be met, do not interfere with the conversion efficiency of fluorescent tube again.
Description
Technical field
The present invention relates to lighting field, more particularly to one kind simulation filament impedances circuit, LED lamp tube and LED illumination system
System.
Background technology
Light emitting diode (Light Emitting Diode, abbreviation LED) light source is due to small volume, high brightness, consumption
Electricity is low and the advantages that service life is long, gets the attention and applies so that substitutes conventional fluorescent using LED lamp tube
Fluorescent tube is increasingly becoming a kind of trend.
Conventional fluorescent can not be directly accessed civil power and be operated, it is necessary to add ballast between civil power and conventional fluorescent
Device.According to the difference of working frequency, ballast mainly includes Inductive ballast and electric ballast both types, wherein, electricity
Ballast output low frequency voltage and low-frequency current are felt, typically in 50/60Hz, electric ballast output high voltage and high-frequency electrical
Stream, typically in more than 20kHz.In the prior art, the mode of LED lamp tube replacement conventional fluorescent is mainly directly replaced original
Conventional fluorescent, without changing lamp interior circuit, but require that the LED lamp tube of installation needs compatible original ballast work
Make.
Fig. 1 shows a kind of structural representation of LED lamp tube of the prior art.Referring to Fig. 1, LED lamp tube includes simulation
Filament impedances circuit 11, drive module 12 and illuminating source 13.Simulate filament impedances circuit 11 by 4 impedance modules (i.e. Z1,
Z2, Z3 and Z4) form, Z1 and Z2 are connected in series, and Z3 and Z4 are connected in series.One end of drive module 12 is connected with Z1, Z2, drives
The other end of dynamic model block 12 is connected with illuminating source 13, and one end of illuminating source 13 is connected with Z3, Z4.
The presence of simulation filament impedances circuit in LED lamp tube is necessary, and the circuit can not open a way, and LED lamp tube is external
Ballast judge whether fluorescent tube connects by detecting the impedance of the simulation filament impedances circuit, and determined according to testing result
Determine whether ballast works, the circuit can not be short-circuit or uses too small impedance, otherwise can cause part ballast filament
Winding overload is heated, and then ballast may be caused to fail.
In addition, International Electrotechnical Commission (International Electro technical Commission, referred to as
IEC) standard has the requirement of a minimum value to simulation filament impedances circuit, and the method for test is to add 50/ at filament both ends
The electric current of the simulation filament impedances circuit is flowed through in 60Hz low-voltage signals, detection, and the current value is necessarily less than the regulation of IEC standard
Value, specifically, apply 3.6V voltages at Z1 and Z2, or Z3 and Z4 both ends, by Z1 and Z2, or Z3 and Z4 electric currents can not
More than 0.51A.Meanwhile the impedance value for simulating filament impedances circuit can not be excessive, the electric current for flowing into LED lamp tube inherently flows through
Filament impedances circuit is simulated, the excessive impedance of simulation filament impedances circuit can increase the power consumption of fluorescent tube, and the photoelectricity for influenceing fluorescent tube turns
Change efficiency.
In the prior art, simulating the impedance unit of filament impedances circuit can be simulated by the following two kinds mode：
First way：Referring to Fig. 2 a, the filament resistance of conventional fluorescent is directly simulated with resistive element, is passed by measuring
System Filament of fluorescent lamp cold conditions and hot resistance calculate required resistance；
The second way：Referring to Fig. 2 b, the filament resistance of conventional fluorescent is simulated by inductance element, utilizes inductance element
Induction reactance in high frequency carrys out equivalent conventional fluorescent filament impedances.
The simulation filament impedances circuit formed using first way does not have pole frequency and zero frequency, i.e. the simulation lamp
The impedance value of silk impedance circuit does not change and changed with frequency；The simulation filament impedances circuit formed using the second way, only
There is a zero frequency, the impedance value of the simulation filament impedances circuit raises with the rise of frequency, and in low frequency 50/
Simulation filament impedances circuit near short circuit during 60Hz.
Therefore, not yet propose that a kind of simulation filament impedances circuit can meet the test of IEC standard at present, while be unable to shadow
Ring the conversion efficiency of fluorescent tube.
The content of the invention
In view of the above problems, it is proposed that the present invention so as to provide one kind overcome above mentioned problem or at least in part solve on
State simulation filament impedances circuit, LED lamp tube and the LED illumination System of problem.
Based on one aspect of the present invention, there is provided one kind simulation filament impedances circuit, simulation filament impedances circuit have
Pole frequency and zero frequency, wherein, the pole frequency is less than the zero frequency, is less than limit frequency in incoming frequency
The equivalent impedance of the simulation filament impedances circuit keeps constant during rate, is the first equivalent impedance, is more than in incoming frequency
The pole frequency and be less than during the zero frequency it is described simulation filament impedances circuit equivalent impedance with the input
The rise of frequency and reduce, when incoming frequency is more than the zero frequency it is described simulation filament impedances circuit equivalent impedance
Keep constant, be the second equivalent impedance, and first equivalent impedance is more than second equivalent impedance.
Alternatively, the circuit is made up of first resistor, second resistance and the first electric capacity.
Alternatively, after the first resistor and first electric capacity are connected in parallel, then it is connected in series with the second resistance.
Alternatively, after the first resistor and first electric capacity are connected in series, then it is connected in parallel with the second resistance.
Based on another aspect of the present invention, a kind of LED lamp tube is additionally provided, including：At least one as described above
One kind simulation filament impedances circuit, LED drive module and at least one LED light-emitting component, wherein, the LED drive module with
The simulation filament impedances circuit coupling, described mono- light-emitting component of at least LED couple with the LED drive module.
Alternatively, the LED lamp tube includes four simulation filament impedances circuits, and four simulations filament impedances circuit is
First simulation filament impedances circuit, the second simulation filament impedances circuit, the 3rd simulation filament impedances circuit and the 4th simulation filament
Impedance circuit, the first simulation filament impedances circuit connect with the described second simulation filament impedances circuit connected in series, and the described 3rd
Simulation filament impedances circuit connects with the described 4th simulation filament impedances circuit connected in series.
Based on another aspect of the present invention, a kind of LED illumination System is additionally provided, including：Inductive ballast, with it is described
Inductive ballast coupling, above-mentioned LED lamp tube and the starter coupled with the LED lamp tube.
Alternatively, the LED lamp tube includes four simulation filament impedances circuits, and four simulations filament impedances circuit is
First simulation filament impedances circuit, the second simulation filament impedances circuit, the 3rd simulation filament impedances circuit and the 4th simulation filament
Impedance circuit, the first simulation filament impedances circuit connect with the described second simulation filament impedances circuit connected in series, and the described 3rd
Simulation filament impedances circuit connects with the described 4th simulation filament impedances circuit connected in series.
Alternatively, one end of the LED drive module is connected to one end and the institute of the first simulation filament impedances circuit
State one end of the second simulation filament impedances circuit, the other end of the LED drive module and at least one LED light-emitting component
Connection, the other end of at least one LED light-emitting component are connected to one end and the institute of the 3rd simulation filament impedances circuit
One end of the 4th simulation filament impedances circuit is stated, the first simulation filament impedances circuit is not connected the LED drive module
One end be connected to the Inductive ballast, the second simulation filament impedances circuit is not connected the LED drive module
One end is connected to one end of the external starter of the LED lamp tube, the 3rd simulation filament impedances circuit is not connected have it is described
One end of at least one LED light-emitting component is connected to the zero line of access civil power, and the 4th simulation filament impedances circuit is not connected with
The one end for having at least one LED light-emitting component is connected to the other end of the starter.
Based on another aspect of the present invention, a kind of LED illumination System is additionally provided, including：Electric ballast and with institute
State LED lamp tube that electric ballast couples, above-mentioned.
Alternatively, the LED lamp tube includes four simulation filament impedances circuits, and four simulations filament impedances circuit is
First simulation filament impedances circuit, the second simulation filament impedances circuit, the 3rd simulation filament impedances circuit and the 4th simulation filament
Impedance circuit, the first simulation filament impedances circuit connect with the described second simulation filament impedances circuit connected in series, and the described 3rd
Simulation filament impedances circuit connects with the described 4th simulation filament impedances circuit connected in series.
Alternatively, one end of the LED drive module is connected to one end and the institute of the first simulation filament impedances circuit
State one end of the second simulation filament impedances circuit, the other end of the LED drive module and at least one LED light-emitting component
Connection, the other end of at least one LED light-emitting component are connected to one end and the institute of the 3rd simulation filament impedances circuit
One end of the 4th simulation filament impedances circuit is stated, the first simulation filament impedances circuit is not connected the LED drive module
One end be connected to the external electric ballast of the LED lamp tube, the second simulation filament impedances circuit is not connected have it is described
One end of LED drive module is connected to the external electric ballast of the LED lamp tube, and the 3rd simulation filament impedances circuit is not
The one end for being connected with least one LED light-emitting component is connected to the electric ballast, the 4th simulation filament impedances
The not connected one end for having at least one LED light-emitting component of circuit is connected to the electric ballast.
Simulation filament impedances circuit provided by the invention has pole frequency and zero frequency simultaneously, and pole frequency is small
In zero frequency.Corresponding variation tendency is presented with incoming frequency in the equivalent impedance of the simulation filament impedances circuit, that is, exists
The first equivalent impedance of simulation filament impedances circuit is more than when incoming frequency is less than pole frequency is more than zero point in incoming frequency
The second equivalent impedance of filament impedances circuit is simulated during frequency, and is more than pole frequency and less than zero point frequency in incoming frequency
During rate, the equivalent impedance of simulation filament impedances circuit reduces with the rise of incoming frequency.It follows that in incoming frequency
It is higher that the equivalent impedance of filament impedances circuit is simulated during less than pole frequency, lamp is simulated when incoming frequency is more than zero frequency
The equivalent impedance of silk impedance circuit is relatively low.The simulation filament impedances circuit is when carrying out IEC standard test, due to the test
Frequency is relatively low, generally 50/60Hz, IEC standard test frequency be less than simulation filament impedances circuit pole frequency, and
Incoming frequency simulates filament impedances circuit equivalent impedance when being the frequency of IEC standard test is larger so that simulation filament resistance
The equivalent impedance of reactive circuit disclosure satisfy that the minimum value requirement of IEC standard test.If simulation filament impedances provided by the invention
The external ballast of circuit is Inductive ballast, and it is low that Inductive ballast, which is inputted to the voltage and current of simulation filament impedances circuit,
Frequency voltage and low-frequency current, and be high voltage low current state, now, the equiva lent impedance of larger simulation filament impedances circuit
Value will not have too much influence to LED lamp tube conversion efficiency.If the external ballast of simulation filament impedances circuit provided by the invention
Device is electric ballast, and the output frequency of electric ballast is higher, and the output frequency is more than the limit of simulation filament impedances circuit
Frequency, the zero frequency of filament impedances circuit is even greater than simulated, because simulation filament impedances circuit is more than pole in incoming frequency
Its equivalent impedance reduces with the rise of incoming frequency during dot frequency so that simulation filament impedances circuit now have compared with
Small equivalent impedance, and it is low-voltage and high-current that electric ballast, which is inputted to simulation filament impedances circuit, it is now, less
The power consumption of itself can be greatly reduced in the equivalent impedance of simulation filament impedances circuit, and then can reduce to fluorescent tube conversion efficiency
Influence.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be practiced according to the content of specification, and in order to allow above and other objects of the present invention, feature and advantage can
Become apparent, below especially exemplified by the embodiment of the present invention.
According to the accompanying drawings will be brighter to the detailed description of the specific embodiment of the invention, those skilled in the art
Above-mentioned and other purposes, the advantages and features of the present invention.
Brief description of the drawings
By reading the detailed description of hereafter preferred embodiment, it is various other the advantages of and benefit it is common for this area
Technical staff will be clear understanding.Accompanying drawing is only used for showing the purpose of preferred embodiment, and is not considered as to the present invention
Limitation.And in whole accompanying drawing, identical part is denoted by the same reference numerals.In the accompanying drawings：
Fig. 1 shows the structural representation of LED lamp tube in the prior art；
Fig. 2 a show the structural representation for simulating filament impedances circuit in the prior art；
Fig. 2 b show another structural representation for simulating filament impedances circuit in the prior art；
Fig. 3 shows the application schematic diagram of simulation filament impedances circuit according to an embodiment of the invention；
Fig. 4 shows the structural representation of simulation filament impedances circuit according to an embodiment of the invention；
Fig. 5 shows another structural representation of simulation filament impedances circuit according to an embodiment of the invention；
Fig. 6 shows the structural representation of LED lamp tube according to an embodiment of the invention；
Fig. 7 shows the circuit diagram of LED lamp tube according to an embodiment of the invention；
Fig. 8 shows the structural representation of LED illumination System according to an embodiment of the invention；
Fig. 9 shows another structural representation of LED illumination System according to an embodiment of the invention.
Embodiment
The exemplary embodiment of the disclosure is more fully described below with reference to accompanying drawings.Although the disclosure is shown in accompanying drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
Limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
Completely it is communicated to those skilled in the art.
In order to solve the above technical problems, the invention provides one kind to simulate filament impedances circuit.Simulation filament impedances electricity
Road has pole frequency and zero frequency, wherein, pole frequency is less than zero frequency, the mould when incoming frequency is less than pole frequency
The equivalent impedance for intending filament impedances circuit keeps constant, be the first equivalent impedance, incoming frequency more than pole frequency and
The equivalent impedance of filament impedances circuit is simulated during less than zero frequency to be reduced with the rise of incoming frequency, in incoming frequency
The equivalent impedance that filament impedances circuit is simulated during more than zero frequency keeps constant, is the second equivalent impedance, and first etc.
Effect impedance value is more than the second equivalent impedance.
Fig. 3 shows the application schematic diagram of simulation filament impedances circuit according to an embodiment of the invention.Referring to Fig. 3,
Simulation filament impedances circuit provided in an embodiment of the present invention is arranged at LED lamp tube, simulates one end and the LED of filament impedances circuit
External ballast connection is managed, the other end is connected with the LED drive module in LED lamp tube.
Simulation filament impedances circuit provided by the invention has pole frequency and zero frequency simultaneously, and pole frequency is small
In zero frequency.Corresponding variation tendency is presented with incoming frequency in the equivalent impedance of the simulation filament impedances circuit, that is, exists
The first equivalent impedance of simulation filament impedances circuit is more than when incoming frequency is less than pole frequency is more than zero point in incoming frequency
The second equivalent impedance of filament impedances circuit is simulated during frequency, and is more than pole frequency and less than zero point frequency in incoming frequency
During rate, the equivalent impedance of simulation filament impedances circuit reduces with the rise of incoming frequency.It follows that in incoming frequency
It is higher that the equivalent impedance of filament impedances circuit is simulated during less than pole frequency, lamp is simulated when incoming frequency is more than zero frequency
The equivalent impedance of silk impedance circuit is relatively low.The simulation filament impedances circuit is when carrying out IEC standard test, due to the test
Frequency is relatively low, generally 50/60Hz, IEC standard test frequency be less than simulation filament impedances circuit pole frequency, and
Incoming frequency simulates filament impedances circuit equivalent impedance when being the frequency of IEC standard test is larger so that simulation filament resistance
The equivalent impedance of reactive circuit disclosure satisfy that the minimum value requirement of IEC standard test.If simulation filament impedances provided by the invention
The external ballast of circuit is Inductive ballast, and it is low that Inductive ballast, which is inputted to the voltage and current of simulation filament impedances circuit,
Frequency voltage and low-frequency current, and be high voltage low current state, now, the equiva lent impedance of larger simulation filament impedances circuit
Value will not have too much influence to LED lamp tube conversion efficiency.If the external ballast of simulation filament impedances circuit provided by the invention
Device is electric ballast, and the output frequency of electric ballast is higher, and the output frequency is more than the limit of simulation filament impedances circuit
Frequency, the zero frequency of filament impedances circuit is even greater than simulated, because simulation filament impedances circuit is more than pole in incoming frequency
Its equivalent impedance reduces with the rise of incoming frequency during dot frequency so that simulation filament impedances circuit now have compared with
Small equivalent impedance, and it is low-voltage and high-current that electric ballast, which is inputted to simulation filament impedances circuit, it is now, less
The power consumption of itself can be greatly reduced in the equivalent impedance of simulation filament impedances circuit, and then can reduce to fluorescent tube conversion efficiency
Influence.
In a preferred embodiment of the invention, simulate filament impedances circuits at least by first resistor, second resistance and
First electric capacity forms.
Embodiment one
Fig. 4 shows the structural representation of simulation filament impedances circuit according to an embodiment of the invention.Referring to Fig. 4,
The simulation filament impedances circuit includes first resistor 41, the electric capacity 43 of second resistance 42 and first, wherein, first resistor 41 and first
After electric capacity 43 is connected in parallel, then it is connected in series with second resistance 42.
The equivalent impedance Z of simulation filament impedances circuit shown in Fig. 4 expression formula is：
Wherein, R1 be first resistor 41 resistance, R2 be second resistance 42 resistance, C be the first electric capacity 43 capacitance, w
For angular frequency.
Due to angular frequency w=2 π f, wherein, f is frequency, and therefore, equivalent impedance Z expression formula is：
From the equivalent impedance Z of simulation filament impedances circuit expression formula, the simulation filament impedances circuit has
Pole frequency and zero frequency.That is 1+j2 π fR1C=0, the equivalent impedance Z maximums of filament impedances circuit, 1+j2 π are simulated
FR1R2/ (R1+R2) * C=0, simulate the equivalent impedance minimum of filament impedances circuit, therefore, the simulation filament impedances circuit
Pole frequency fpFor：
The zero frequency f of the simulation filament impedances circuitzFor：
Due toTherefore, pole frequency fp＜ zero frequencies fz。
When incoming frequency is less than pole frequency fpWhen, now incoming frequency is low frequency state, it was found from circuit theory, first
Electric capacity 43 is equivalent to open circuit, and now, simulation filament impedances circuit is connected equivalent to first resistor 41 and second resistance 42, the simulation
The equivalent impedance Z=R1+R2 of filament impedances circuit.When incoming frequency is more than zero frequency fzWhen, it was found from circuit theory, the
One resistance 41 is by the short circuit of the first electric capacity 43, now, the equivalent impedance Z=R2 of simulation filament impedances circuit.It follows that input
Equivalent impedance when frequency is less than pole frequency is more than equivalent impedance when incoming frequency is more than zero frequency.
When the simulation filament impedances circuit is operated in 50/60Hz low frequencies, because the frequency is than pole frequency fpIt is small, now
The equivalent impedance of simulation filament impedances circuit is larger, disclosure satisfy that the minimum value requirement of IEC standard test；When the simulation filament
When the external ballast of impedance circuit is electric ballast, because the output frequency of electric ballast is higher, much larger than pole frequency
fp, close to even more than zero frequency fz, now the equivalent impedance of simulation filament impedances circuit is smaller, less simulation filament
The power consumption of itself can be greatly reduced in the equivalent impedance of impedance circuit, and then can reduce the influence to fluorescent tube conversion efficiency.
Embodiment two
Fig. 5 shows the structural representation of simulation filament impedances circuit according to an embodiment of the invention.Referring to Fig. 5,
The simulation filament impedances circuit includes first resistor 51, the electric capacity 53 of second resistance 52 and first, wherein, first resistor 51 and first
After electric capacity 53 is connected in series, then it is connected in parallel with second resistance 52.
The equivalent impedance Z of simulation filament impedances circuit shown in Fig. 5 expression formula is：
Wherein, R1 be first resistor 51 resistance, R2 be second resistance 52 resistance, C be the first electric capacity 53 capacitance, w
For angular frequency.
Due to angular frequency w=2 π f, wherein, f is frequency, and therefore, equivalent impedance Z expression formula is：
From the equivalent impedance Z of simulation filament impedances circuit expression formula, the simulation filament impedances circuit has
Pole frequency and zero frequency.That is 1+j2 π f (R1+R2) C=0, the equivalent impedance Z maximums of filament impedances circuit, 1+j2 are simulated
π fR1C=0, simulate the equivalent impedance minimum of filament impedances circuit, therefore, the pole frequency f of the simulation filament impedances circuitp
For：
The zero frequency fz of the simulation filament impedances circuit is：
Due to (R1+R2)>R1, therefore, pole frequency fp＜ zero frequencies fz。
When incoming frequency is less than pole frequency fpWhen, now incoming frequency is low frequency state, it was found from circuit theory, first
Electric capacity 53 is equivalent to open circuit, and now, simulation filament impedances circuit works equivalent to only second resistance 52, the simulation filament impedances
The equivalent impedance Z=R2 of circuit.When incoming frequency is more than zero frequency fzWhen, it was found from circuit theory, simulate filament impedances
Circuit is in parallel equivalent to first resistor 51 and second resistance 52, now, simulates the equivalent impedance Z=of filament impedances circuit
R1R2/(R1+R2).It follows that equivalent impedance when incoming frequency is less than pole frequency is more than zero point more than incoming frequency
Equivalent impedance during frequency.
When the simulation filament impedances circuit is operated in 50/60Hz low frequencies, because the frequency is smaller than pole frequency fp, now
The equivalent impedance of simulation filament impedances circuit is larger, disclosure satisfy that the minimum value requirement of IEC standard test；When the simulation filament
When the external ballast of impedance circuit is electric ballast, because the output frequency of electric ballast is higher, much larger than pole frequency
Fp, close to even more than zero frequency fz, now the equivalent impedance of simulation filament impedances circuit is smaller, less simulation filament
The power consumption of itself can be greatly reduced in the equivalent impedance of impedance circuit, and then can reduce the influence to fluorescent tube conversion efficiency.
Based on same inventive concept, present invention also offers a kind of LED lamp tube.Fig. 6 is shown according to a reality of the invention
Apply the structural representation of the LED lamp tube of example.Referring to Fig. 6, the LED lamp tube includes：In at least one embodiment one and embodiment two
Any simulation filament impedances circuit 61, LED drive module 62 and at least one LED light-emitting component 63 shown, wherein, LED drives
Dynamic model block 62 couples with simulation filament impedances circuit 61, and at least one light-emitting component 63 couples with LED drive module 62.
Specifically, Fig. 7 shows the circuit diagram according to the LED lamp tube of this hair one embodiment referring to Fig. 7, the LED
Fluorescent tube includes any simulation filament impedances circuit 71 shown in four embodiments one and embodiment two, four simulation filament impedances
Circuit 71 is respectively that the first simulation filament impedances circuit 711, second simulates the simulation filament impedances of filament impedances circuit the 712, the 3rd
Circuit 713 and the 4th simulates filament impedances circuit 714, the first simulation filament impedances circuit 711 and the second simulation filament impedances electricity
Road 712 is connected in series, and the 3rd simulation filament impedances circuit 713 and the 4th simulation filament impedances circuit 714 are connected in series.LED drives
One end of dynamic model block 72 is connected to one end of the first simulation filament impedances circuit 711 and second and simulates filament impedances circuit 712
One end, the other end of LED drive module 72 are connected with least one LED light-emitting component 73, at least one LED light-emitting component 73
The other end is connected to one end of the 3rd simulation filament impedances circuit 713 and one end of the 4th simulation filament impedances circuit 714.
If the external ballast of LED lamp tube provided in an embodiment of the present invention is Inductive ballast, the first simulation filament resistance
The not connected one end for having LED drive module 72 of reactive circuit 711 is connected to the external Inductive ballast of LED lamp tube, the second simulation lamp
The not connected one end for having LED drive module 72 of silk impedance circuit 712 is connected to one end of the external starter of LED lamp tube, and the 3rd
713 not connected one end for having at least one LED light-emitting component 73 of simulation filament impedances circuit is connected to the zero line of access civil power, the
Four simulation filament impedances circuits, 714 not connected one end for having at least one LED light-emitting component 73 is connected to the other end of starter.
If the external ballast of LED lamp tube provided in an embodiment of the present invention is electric ballast, the first simulation filament resistance
Reactive circuit 711 is not connected to have one end of LED drive module 72, the second simulation filament impedances circuit 712 to be not connected with having LED to drive mould
One end of block 72,713 not connected one end, the 4th mould for having at least one LED light-emitting component 73 of the 3rd simulation filament impedances circuit
Intend the not connected one end for having at least one LED light-emitting component 73 of filament impedances circuit 714 and be all connected to electric ballast.
Based on same inventive concept, present invention also offers a kind of LED illumination System.Fig. 8 is shown according to the present invention one
The structural representation of the LED illumination System of individual embodiment, referring to Fig. 8, the LED illumination System includes：Inductive ballast 81 and electricity
LED lamp tube 82 that sense ballast 81 couples, above-mentioned and the starter 83 coupled with LED lamp tube 82.Wherein, LED lamp tube 82 includes
In four embodiments one and embodiment two it is any show simulation filament impedances circuit (the i.e. first simulation filament impedances circuit 821,
Second simulation filament impedances circuit the 822, the 3rd simulates the simulation filament impedances circuit 824 of filament impedances circuit 823 and the 4th), LED
Drive module 825 and at least one light-emitting component 826.
LED lamp tube 82 is provided with 4 terminals (i.e. terminal 1, terminal 2, terminal 3 and terminal 4), wherein, terminal 1 and terminal 2
The side of LED lamp tube 82 is arranged on, terminal 3 and terminal 4 are arranged on the opposite side of LED lamp tube 82.Input the live wire and electricity of civil power
Feel one end connection of ballast 81, the other end of Inductive ballast 81 is hindered by the first simulation filament of terminal 1 and LED lamp tube 82
Reactive circuit 821 is connected, and the zero line for accessing civil power is connected by terminal 3 and the 3rd simulation filament impedances circuit 823 of LED lamp tube 82
Connect, starter 83 simulates lamp by the second simulation filament impedances circuit the 822, the 4th of terminal 2, terminal 4 respectively with LED lamp tube 82
Silk impedance circuit 824 connects.Input to the voltage and current of LED lamp tube 82 and flowed into by the first simulation filament impedances circuit 821
To LED drive module 825, at least one light-emitting component 826 is then entered back into, most afterwards through the 3rd simulation filament impedances circuit 823
Flow back to.
Fig. 9 shows another structural representation of LED illumination System according to an embodiment of the invention, referring to Fig. 9,
The LED illumination System includes：Electric ballast 91, above-mentioned LED lamp tube 92 coupling with electric ballast 91.Wherein, LED
Pipe 92 includes any simulation filament impedances circuit (the i.e. first simulation filament impedances shown in four embodiments one and embodiment two
Circuit 921, second simulates filament impedances circuit the 922, the 3rd and simulates the simulation filament impedances circuit of filament impedances circuit 923 and the 4th
924), LED drive module 925 and at least one light-emitting component 926.
LED lamp tube 92 is provided with 4 terminals (i.e. terminal 1, terminal 2, terminal 3 and terminal 4), wherein, terminal 1 and terminal 2
The side of LED lamp tube 92 is arranged on, terminal 3 and terminal 4 are arranged on the opposite side of LED lamp tube 92.Civil power input is directly connected to
Electric ballast 91, electric ballast 91 pass through terminal 1, terminal 2, terminal 3 and terminal 4 the first mould with LED lamp tube 92 respectively
Intend filament impedances circuit 921, second and simulate the simulation filament impedances of filament impedances circuit the 922, the 3rd circuit 923 and the 4th simulation lamp
Silk impedance circuit 924 connects.Input to the voltage and current of LED lamp tube 92 and flowed into by the first simulation filament impedances circuit 921
To LED drive module 925, at least one light-emitting component 926 is then entered back into, most afterwards through the 3rd simulation filament impedances circuit 923
Flow back to.
To sum up, use simulation filament impedances circuit, LED lamp tube and LED illumination System provided in an embodiment of the present invention can be with
Reach following beneficial effect：
Simulation filament impedances circuit provided by the invention has pole frequency and zero frequency simultaneously, and pole frequency is small
In zero frequency.Corresponding variation tendency is presented with incoming frequency in the equivalent impedance of the simulation filament impedances circuit, that is, exists
The first equivalent impedance of simulation filament impedances circuit is more than when incoming frequency is less than pole frequency is more than zero point in incoming frequency
The second equivalent impedance of filament impedances circuit is simulated during frequency, and is more than pole frequency and less than zero point frequency in incoming frequency
During rate, the equivalent impedance of simulation filament impedances circuit reduces with the rise of incoming frequency.It follows that in incoming frequency
It is higher that the equivalent impedance of filament impedances circuit is simulated during less than pole frequency, lamp is simulated when incoming frequency is more than zero frequency
The equivalent impedance of silk impedance circuit is relatively low.The simulation filament impedances circuit is when carrying out IEC standard test, due to the test
Frequency is relatively low, generally 50/60Hz, IEC standard test frequency be less than simulation filament impedances circuit pole frequency, and
Incoming frequency simulates filament impedances circuit equivalent impedance when being the frequency of IEC standard test is larger so that simulation filament resistance
The equivalent impedance of reactive circuit disclosure satisfy that the minimum value requirement of IEC standard test.If simulation filament impedances provided by the invention
The external ballast of circuit is Inductive ballast, and it is low that Inductive ballast, which is inputted to the voltage and current of simulation filament impedances circuit,
Frequency voltage and low-frequency current, and be high voltage low current state, now, the equiva lent impedance of larger simulation filament impedances circuit
Value will not have too much influence to LED lamp tube conversion efficiency.If the external ballast of simulation filament impedances circuit provided by the invention
Device is electric ballast, and the output frequency of electric ballast is higher, and the output frequency is more than the limit of simulation filament impedances circuit
Frequency, the zero frequency of filament impedances circuit is even greater than simulated, because simulation filament impedances circuit is more than pole in incoming frequency
Its equivalent impedance reduces with the rise of incoming frequency during dot frequency so that simulation filament impedances circuit now have compared with
Small equivalent impedance, and it is low-voltage and high-current that electric ballast, which is inputted to simulation filament impedances circuit, it is now, less
The power consumption of itself can be greatly reduced in the equivalent impedance of simulation filament impedances circuit, and then can reduce to fluorescent tube conversion efficiency
Influence.
In the specification that this place provides, numerous specific details are set forth.It is to be appreciated, however, that the implementation of the present invention
Example can be put into practice in the case of these no details.In some instances, known method, structure is not been shown in detail
And technology, so as not to obscure the understanding of this description.
Similarly, it will be appreciated that in order to simplify the disclosure and help to understand one or more of each inventive aspect,
Above in the description to the exemplary embodiment of the present invention, each feature of the invention is grouped together into single implementation sometimes
In example, figure or descriptions thereof.However, the method for the disclosure should be construed to reflect following intention：I.e. required guarantor
The application claims of shield features more more than the feature being expressly recited in each claim.It is more precisely, such as following
Claims reflect as, inventive aspect is all features less than single embodiment disclosed above.Therefore,
Thus the claims for following embodiment are expressly incorporated in the embodiment, wherein each claim is in itself
Separate embodiments all as the present invention.
So far, although those skilled in the art will appreciate that detailed herein have shown and described multiple showing for the present invention
Example property embodiment, still, still can be direct according to present disclosure without departing from the spirit and scope of the present invention
It is determined that or derive many other variations or modifications for meeting the principle of the invention.Therefore, the scope of the present invention is understood that and recognized
It is set to and covers other all these variations or modifications.
Claims (12)
1. one kind simulation filament impedances circuit, it is characterised in that the simulation filament impedances circuit has pole frequency and zero point
Frequency, wherein, the pole frequency is less than the zero frequency, the simulation lamp when incoming frequency is less than the pole frequency
The equivalent impedance of silk impedance circuit keeps constant, be the first equivalent impedance, incoming frequency more than the pole frequency and
The equivalent impedance of the simulation filament impedances circuit reduces with the rise of incoming frequency during less than the zero frequency,
The equivalent impedance that incoming frequency is more than the simulation filament impedances circuit during zero frequency keeps constant, is second equivalent
Impedance value, and first equivalent impedance is more than second equivalent impedance.
2. simulation filament impedances circuit according to claim 1, it is characterised in that the circuit is by first resistor, second
Resistance and the first electric capacity composition.
3. simulation filament impedances circuit according to claim 2, it is characterised in that the first resistor and first electricity
Hold after being connected in parallel, then be connected in series with the second resistance.
4. simulation filament impedances circuit according to claim 2, it is characterised in that the first resistor and first electricity
Hold after being connected in series, then be connected in parallel with the second resistance.
A kind of 5. LED lamp tube, it is characterised in that including：At least one simulation filament impedances as described in claim 1-4 is any
Circuit, LED drive module and at least one LED light-emitting component, wherein, the LED drive module and the simulation filament impedances
Circuit couples, and at least one LED light-emitting component couples with the LED drive module.
6. LED lamp tube according to claim 5, it is characterised in that the LED lamp tube includes four simulation filament impedances electricity
Road, four simulation filament impedances circuit are the first simulation filament impedances circuit, the second simulation filament impedances circuit, the 3rd mould
Intend filament impedances circuit and the 4th simulation filament impedances circuit, the first simulation filament impedances circuit and the second simulation lamp
Silk impedance circuit is connected in series, and the 3rd simulation filament impedances circuit and the 4th simulation filament impedances circuit connected in series connect
Connect.
A kind of 7. LED illumination System, it is characterised in that including：Inductive ballast, coupled with the Inductive ballast, such as weigh
The starter that profit requires LED lamp tube described in 5 and coupled with the LED lamp tube.
8. LED illumination System according to claim 7, it is characterised in that the LED lamp tube includes four simulation filament resistances
Reactive circuit, four simulations filament impedances circuit are the first simulation filament impedances circuit, the second simulation filament impedances circuit, the
Three simulation filament impedances circuits and the 4th simulation filament impedances circuit, the first simulation filament impedances circuit and second mould
Intend the connection of filament impedances circuit connected in series, the 3rd simulation filament impedances circuit and the 4th simulation filament impedances circuit connected in series
Connection.
9. LED illumination System according to claim 8, it is characterised in that one end of the LED drive module is connected to institute
State one end of the first simulation filament impedances circuit and one end of the second simulation filament impedances circuit, the LED drive module
The other end be connected with least one LED light-emitting component, the other end of at least one LED light-emitting component is connected to institute
State one end of the 3rd simulation filament impedances circuit and one end of the 4th simulation filament impedances circuit, the first simulation filament
The not connected one end for having the LED drive module of impedance circuit is connected to the Inductive ballast, the second simulation filament resistance
The not connected one end for having the LED drive module of reactive circuit is connected to one end of the external starter of the LED lamp tube, and described the
Three not connected one end for having at least one LED light-emitting component of simulation filament impedances circuit are connected to the zero line of access civil power,
Described not connected one end for having at least one LED light-emitting component of 4th simulation filament impedances circuit is connected to the starter
The other end.
A kind of 10. LED illumination System, it is characterised in that including：Electric ballast and coupled with the electric ballast, such as
LED lamp tube described in claim 5.
11. LED illumination System according to claim 10, it is characterised in that the LED lamp tube includes four simulation filaments
Impedance circuit, four simulations filament impedances circuit be the first simulation filament impedances circuit, the second simulation filament impedances circuit,
3rd simulation filament impedances circuit and the 4th simulation filament impedances circuit, the first simulation filament impedances circuit and described second
Simulate the connection of filament impedances circuit connected in series, the 3rd simulation filament impedances circuit and the 4th simulation filament impedances circuit string
Connection connection.
12. LED illumination System according to claim 11, it is characterised in that one end of the LED drive module is connected to
One end of the first simulation filament impedances circuit and one end of the second simulation filament impedances circuit, the LED drive mould
The other end of block is connected with least one LED light-emitting component, and the other end of at least one LED light-emitting component is connected to
One end of the 3rd simulation filament impedances circuit and one end of the 4th simulation filament impedances circuit, the first simulation lamp
The not connected one end for having the LED drive module of silk impedance circuit is connected to the external electric ballast of the LED lamp tube, described
Second not connected one end for having the LED drive module of simulation filament impedances circuit is connected to the external electronics of the LED lamp tube
Ballast, described not connected one end for having at least one LED light-emitting component of 3rd simulation filament impedances circuit are connected to institute
Electric ballast is stated, described not connected one end for having at least one LED light-emitting component of 4th simulation filament impedances circuit connects
It is connected to the electric ballast.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610630221.6A CN106102255B (en) | 2016-08-03 | 2016-08-03 | Simulate filament impedances circuit, LED lamp tube and LED illumination System |
| EP17836401.4A EP3481152B1 (en) | 2016-08-03 | 2017-08-02 | Led lamp and led illuminating system |
| PCT/CN2017/095672 WO2018024219A1 (en) | 2016-08-03 | 2017-08-02 | Analog filament impedance circuit, led lamp, and led illuminating system |
| US16/266,013 US10863595B2 (en) | 2016-08-03 | 2019-02-02 | Analog filament impedance circuit, LED lamp tube and LED lighting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610630221.6A CN106102255B (en) | 2016-08-03 | 2016-08-03 | Simulate filament impedances circuit, LED lamp tube and LED illumination System |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106102255A CN106102255A (en) | 2016-11-09 |
| CN106102255B true CN106102255B (en) | 2017-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610630221.6A Active CN106102255B (en) | 2016-08-03 | 2016-08-03 | Simulate filament impedances circuit, LED lamp tube and LED illumination System |
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| Country | Link |
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| CN (1) | CN106102255B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3481152B1 (en) | 2016-08-03 | 2021-04-28 | Opple Lighting Co., Ltd. | Led lamp and led illuminating system |
| CN110786079B (en) * | 2019-07-22 | 2021-09-21 | 深圳市豪恩智能物联股份有限公司 | Lamp tube, protection circuit and protection device applied to lamp tube |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB832609A (en) * | 1955-02-25 | 1960-04-13 | John Hugh Davey Walton | Improvements in or relating to circuits for testing electrical impedance |
| US7390960B1 (en) * | 2003-07-18 | 2008-06-24 | Jeffrey Arnold | Electronic signal processor |
| JP5408616B2 (en) * | 2009-08-31 | 2014-02-05 | 国立大学法人電気通信大学 | Amplifier circuit |
| WO2011150963A1 (en) * | 2010-06-01 | 2011-12-08 | Abb Technology Ag | Interface arrangement between ac and dc systems using grounding switch |
| KR100996670B1 (en) * | 2010-06-08 | 2010-11-25 | 이정항 | Led lighting of electronic stabilizer type |
| CN105766060B (en) * | 2013-11-21 | 2018-04-24 | 飞利浦照明控股有限公司 | For reequiping the protection of light emitting diode pipe |
| CN104640322B (en) * | 2015-02-06 | 2017-11-28 | 深圳市豪恩光电照明股份有限公司 | The LED lamp tube driver of compatible electronic ballast |
| CN204377221U (en) * | 2015-02-06 | 2015-06-03 | 深圳市豪恩光电照明有限公司 | The LED lamp tube driver of compatible electronic ballast |
| CN105227148B (en) * | 2015-09-28 | 2018-02-09 | 香港城市大学深圳研究院 | Broadband matching network and construction method and power amplifier for power amplifier |
| CN205987460U (en) * | 2016-08-03 | 2017-02-22 | 欧普照明股份有限公司 | Simulation filament impedance circuit, LED fluorescent tube and LED lighting system |
-
2016
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