CN206077765U - One kind is without stroboscopic LED filament lamp - Google Patents
One kind is without stroboscopic LED filament lamp Download PDFInfo
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- CN206077765U CN206077765U CN201621064342.0U CN201621064342U CN206077765U CN 206077765 U CN206077765 U CN 206077765U CN 201621064342 U CN201621064342 U CN 201621064342U CN 206077765 U CN206077765 U CN 206077765U
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- 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]
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Abstract
The utility model discloses one kind is without stroboscopic LED filament lamp, which includes the driving power supply and LED illuminator of linear constant current type, driving power supply is by over-current protecting unit, rectification filtering unit, linear constant current unit, constant current filter unit and for by the output current of constant current filter unit be changed into no current ripple it is galvanic go stroboscopic unit constitute, the input of over-current protecting unit accesses mains electricity, the outfan of over-current protecting unit is connected with the input of rectification filtering unit, the outfan of rectification filtering unit is connected with the input of linear constant current unit, the outfan of linear constant current unit is connected with the input of constant current filter unit, the outfan of constant current filter unit is connected with the input for removing stroboscopic unit, the outfan of stroboscopic unit is gone to be connected with LED illuminator；Advantage is to go the further constant current of stroboscopic unit to eliminate current ripple due to introducing, and constant current accuracy is high, hence in so that the LED high-voltage filament light-emitting in LED illuminator is not in stroboscopic phenomenon.
Description
Technical field
This utility model is related to a kind of LED filament lamp, more particularly, to one kind without stroboscopic LED filament lamp.
Background technology
LED filament is bonding and many ultraviolet or blue-light LED chip of connecting on bar shaped substrate, then by bar shaped substrate and purple
Outer or blue-light LED chip phosphor gel cladding gets up what is formed, and ultraviolet or blue-light LED chip is luminous to be combined with light-emitting phosphor
Into illumination white light, the running voltage of LED filament is typically in 30～80V or so.
LED filament lamp is increasingly favored by people, particularly in European and American areas.LED filament lamp generally comprises transparent
Cell-shell, metallic lamp holder, LED filament and driving power supply, LED filament are located in transparent bulb case, and driving power supply is placed on metalized lamp
In the inner chamber of head, metallic lamp holder is connected with the oral area of transparent bulb case.Due to the general work under d.c. current of ultraviolet or blue-light LED chip
Make, therefore LED filament lamp needs driving power supply that city's alternating current is converted into the unidirectional current of ultraviolet or blue-light LED chip work.LED
The driving power supply that filament lamp is adopted mainly has three kinds：（1）Resistance-capacitance depressurization type；（2）Linear constant current type；（3）Type switching power.Its
In, the composition components and parts of the driving power supply of resistance-capacitance depressurization type are few, simple structure, small volume, but can cause LED filament stroboscopic compared with
For serious, it is unfavorable for health；Although the driving power supply of type switching power is without stroboscopic problem, composition components and parts are more, knot
Structure is complicated, and volume is big, it is difficult to be contained in the inner chamber of tiny metallic lamp holder；The composition unit device of the driving power supply of linear constant current type
Part is few, and structure is relatively easy, and price is relatively low, and dimming scope is big, and can be contained in the inner chamber of tiny metallic lamp holder, but
Though be LED filament stroboscopic problem it is serious but also exist, it is to be improved, and power consumption is larger causes caloric value big, although can lead to
Cross and take existing cooling measure to make driving power supply be unlikely to a liter high-temperature, but the complex structure of existing radiator structure.
The content of the invention
Technical problem to be solved in the utility model is to provide one kind without stroboscopic LED filament lamp, its linear perseverance for adopting
The driving power supply of flow pattern makes LED filament without stroboscopic.
This utility model solve the technical scheme that adopted of above-mentioned technical problem for：It is a kind of without stroboscopic LED filament lamp, including
The driving power supply and LED illuminator of linear constant current type, it is characterised in that：Described driving power supply is by over-current protecting unit, rectification
Filter unit, linear constant current unit, constant current filter unit and for the output current of described constant current filter unit is changed into
The galvanic of no current ripple goes stroboscopic unit to constitute, and the input of described over-current protecting unit accesses mains electricity,
The outfan of described over-current protecting unit is connected with the input of described rectification filtering unit, described rectification filtering unit
Outfan be connected with the input of described linear constant current unit, the outfan and described perseverance of described linear constant current unit
The input connection of stream filter unit, the outfan of described constant current filter unit are connected with the described input for removing stroboscopic unit
Connect, the described outfan for removing stroboscopic unit is connected with described LED illuminator.
Described to go stroboscopic unit to be to remove stroboscopic circuit using discrete device, described employing discrete device removes stroboscopic
Circuit includes N-MOS pipes, first resistor, second resistance, 3rd resistor, the first electric capacity and Zener diode, described N-MOS pipes
Drain electrode be connected with one end of described first resistor, and the positive output end of its public connecting end and described constant current filter unit
Connection, the grid of the described N-MOS pipes other end respectively with described first resistor, one end of described second resistance, institute
One end connection of the negative terminal of the Zener diode stated and the first described electric capacity, the source electrode of described N-MOS pipes respectively with it is described
The other end of second resistance, the anode of described Zener diode, the other end of the first described electric capacity and the described the 3rd
One end of resistance connects, and its public connecting end is connected with the positive metal electrode of described LED illuminator, described 3rd resistor
The other end be connected with the negative metal electrode of the negative output terminal and described LED illuminator of described constant current filter unit respectively.
Here, Zener diode and the first electric capacity enable the grid and source electrode of N-MOS pipes to keep constant voltage, such N-MOS pipes
Just there are constant-current characteristicses, so that going stroboscopic unit to be supplied to the load current of LED illuminator without current ripple, finally make
It is not in stroboscopic phenomenon to obtain LED illuminator luminous.
The described stroboscopic unit that goes is to be included using the stroboscopic circuit that goes for removing stroboscopic circuit, described employing chip of chip
First constant current chip of model YK3123, the 4th resistance, the 5th resistance, the 6th resistance, the 7th resistance, the 8th resistance, the 9th
Resistance, the tenth resistance, the 11st resistance, the second electric capacity, the 3rd electric capacity and the 4th electric capacity, the 1st of described the first constant current chip the
Foot is connected with one end of the 5th described resistance, the 2nd foot of described the first constant current chip respectively with the 6th described resistance
One end, one end of the 7th described resistance, one end of the 8th described resistance, one end of the 9th described resistance and described
One end connection of ten resistance, the other end of the 6th described resistance are grounded, and the 3rd foot of the first described constant current chip is hanging, institute
4th foot of the first constant current chip stated other end respectively with the 5th described resistance, the other end of the 7th described resistance, institute
The other end of the 8th resistance stated, the other end of the 9th described resistance, the other end of the tenth described resistance and described
One end of 11 resistance connects, and its public connecting end is connected with the negative metal electrode of described LED illuminator, and described first
5th foot of constant current chip is connected with one end of the 4th described electric capacity, the other end ground connection of described the 4th electric capacity and with it is described
The 11st resistance other end connection, and its public connecting end is connected with the negative output terminal of described constant current filter unit, institute
The 6th foot ground connection of the first constant current chip stated, the 7th foot of the first described constant current chip pass through the 3rd described capacity earth,
8th foot of the first described constant current chip is connected with one end of the second described electric capacity and one end of the 4th described resistance respectively
Connect, the other end ground connection of described the second electric capacity, the other end of described the 4th resistance respectively with described constant current filter unit
Positive output end and described LED illuminator the connection of positive metal electrode.Here, the first constant current chip is defeated in linear constant current unit
In the case of going out constant current, the effect with further constant current exports the unidirectional current of no current ripple so that LED illuminator lights
It is not in stroboscopic phenomenon；1st foot of the first constant current chip is respectively VLMT to the 8th foot（LED voltage senses input pin）、VS
（LED current senses input pin）、 NC（Connectionless foot）、 LED-（LED luminescence component negative pole connecting pins）、VG（Metal-oxide-semiconductor grid connects
Pin）、GND（Grounding connection foot）、VC（LED circuit ripple programs connecting pin）、VIN（Power supply supplies connecting pin）.
This also includes dimmer without stroboscopic LED filament lamp, and the outfan of described rectification filtering unit is linear with described
The dimmer being connected with described dimmer is connected between the input of constant current unit maintains electric current to provide unit.Here, logical
Cross setting dimmer and dimmer maintains electric current to provide unit, this can be caused to have dimming function without stroboscopic LED filament light fixture, and adjusted
Optical range is big.
Described over-current protecting unit includes line around fusing resistor, described rectification filtering unit include rectifier bridge, the 5th
Electric capacity, the 12nd resistance and the 13rd resistance, described the 5th electric capacity, the 12nd described resistance and the 13rd described resistance
Constitute filter circuit, described dimmer maintain electric current provide unit include the second constant current chip of model SM2082, the tenth
Four resistance, the 15th resistance, the 16th resistance, the 17th resistance and the 18th resistance, described linear constant current unit include type
Number for SM2082 the 3rd constant current chip and the 19th resistance, described constant current filter unit includes two pole of electrochemical capacitor and counnter attack
Pipe；Described line is connected around the live wire of one end of fusing resistor and mains electricity, the other end of described line around fusing resistor
It is connected with an input of described rectifier bridge, another input of described rectifier bridge is connected with the zero line of mains electricity
Connect, the positive output end of described rectifier bridge is connected with one end of the 5th described electric capacity, the other end of the 5th described electric capacity divides
It is not connected with one end of the 12nd described resistance and one end of the 13rd described resistance, the negative output terminal of described rectifier bridge
It is grounded and is connected with the other end of the other end and the 13rd described resistance of the 12nd described resistance respectively, described rectification
The public connecting end that the positive output end of bridge is connected with one end of the 5th described electric capacity respectively with the 14th described resistance one
End, one end of described 15th resistance, one end of the 16th described resistance, one end of the 19th described resistance and described
Counnter attack diode anode connection, the other end of described the 14th resistance, the other end of the 15th described resistance and institute
The other end of the 16th resistance stated connects, and its public connecting end is connected with the 3rd foot of the second described constant current chip, described
The second constant current chip the 2nd foot ground connection, the 1st foot of described the second constant current chip connected with one end of the 17th described resistance
Connect, the other end of described the 17th resistance respectively with one end of the 18th described resistance and the 3rd described constant current chip
1st foot connects, the other end ground connection of described the 18th resistance, the 2nd foot ground connection of described the 3rd constant current chip, and described the
3rd foot of three constant current chips is connected with the negative terminal of described electrochemical capacitor, and the negative terminal of described electrochemical capacitor is described constant current
The negative output terminal of filter unit, the anode of described electrochemical capacitor are connected with the negative terminal of described counnter attack diode, and which is public
Connection end is the positive output end of described constant current filter unit, the 4th foot and the described the 19th of described the 3rd constant current chip
Remaining foot of the other end connection of resistance, the second described constant current chip and the 3rd described constant current chip is hanging.Here, line
It is used to protect back end of line from heavy current impact around fusing resistor；Rectifier bridge for mains electricity is converted to unidirectional current,
Rectifier bridge is made up of four commutation diodes；Filter circuit provides the triggering opened for maintaining electric current to provide unit to dimmer
Voltage, also provides the maintenance electric current of fraction；Rectification filtering unit meeting rear class unit provides the unidirectional current through primary filtering；The
14 resistance, the 15th resistance and the 16th resistance are mainly used in sharing the partial heat of the second constant current chip, the 17th resistance
It is used to limit the size for maintaining electric current with the 18th resistance, the 18th resistance is used to detect and set LED illuminator；Dimmer
Maintain electric current to provide unit dim signal electric current is provided for rear class unit；19th resistance is used to detect input voltage, to linear
Constant current unit provides offset voltage, and when making voltage pulsation, output current keeps constant；Linear constant current unit is provided for rear class unit
Constant electric current；Constant current filter unit is used for the current ripple for reducing output voltage, is that rear class unit prepares the defeated of relative smooth
Go out voltage, as go stroboscopic unit to provide the unidirectional current of no-voltage ripple；Electrochemical capacitor has the work(for filtering alternating voltage ripple
Can, electrochemical capacitor adopts alminium electrolytic condenser, counnter attack diode to be used to prevent electric current backflow；Stroboscopic unit is gone to carry for LED illuminator
For the unidirectional current of no current ripple.
This also includes metallic lamp holder without stroboscopic LED filament lamp and dissipating for effective radiating can be carried out to described driving power supply
Heat structure, described radiator structure are the heat dissipating layer that one layer of heat dissipating substance of the surface outer wrapping of described driving power supply is formed,
The described driving power supply for being enclosed with described heat dissipating layer is placed in the inner chamber of described metallic lamp holder, described heat dissipating layer and institute
The inwall contact connection of the metallic lamp holder stated, so that described in the heat of described driving power supply passed to by described heat dissipating layer
Metallic lamp holder derive.Here, the heat of driving power supply can pass to metallic lamp holder by heat-conducting layer and distribute, effectively
Driving power supply is prevented to cause the elevated problem of driving power supply temperature because power consumption is slightly larger.
Described heat dissipating substance is radiating mud or thermal paste.
The first described constant current chip includes that voltage source circuit, OTP circuits, reference signal generator, comparator, electric current are adjusted
Section device and NMOSFET pipes, the input of described voltage source circuit is connected with the 8th foot of the first described constant current chip, described
First outfan of voltage source circuit be connected with the input of described OTP circuits, the outfan of described OTP circuits with
Described rheonome connection, second outfan of described voltage source circuit are defeated with described reference signal generator
Enter end connection, the outfan of described reference signal generator is connected with the negative input end of described comparator, described comparison
The positive input terminal of device is connected with the 1st foot of the first described constant current chip, the outfan of described comparator respectively with it is described
The positive input terminal connection of the 7th foot and described rheonome of the first constant current chip, the negative input of described rheonome
End is connected with the source electrode of the 2nd foot and described NMOSFET pipes of the first described constant current chip respectively, described rheonome
Outfan be connected with the grid of the 5th foot and described NMOSFET pipes of the first described constant current chip respectively, it is described
The drain electrode of NMOSFET pipes is connected with the 4th foot of the first described constant current chip.
Compared with prior art, the utility model has the advantage of：
1）Driving power supply in the LED filament lamp without stroboscopic of the present utility model is electric by mains using rectification filtering unit
Unidirectional current is converted into, and tentatively filters the exchange clutter in unidirectional current, Constant Direct Current is exported using linear constant current unit, by perseverance
Stream filter unit carries out voltage filter to eliminate ripple voltage, using going the further constant current of stroboscopic unit to eliminate current ripple,
The supply LED illuminator of the constant dc without clutter is finally obtained, goes the further constant current of stroboscopic unit to eliminate electricity due to introducing
Stream ripple, constant current accuracy are high, hence in so that the LED high-voltage filament light-emitting in LED illuminator is not in stroboscopic phenomenon.
2）The circuit structure of the driving power supply in the LED filament lamp without stroboscopic of the present utility model is simple, small volume, Ke Yirong
It is contained in the inner chamber of metallic lamp holder.
Description of the drawings
Cross section structure diagrams without stroboscopic LED filament lamp of the Fig. 1 for embodiment one；
Fig. 2 is embodiment one without the over-current protecting unit in the driving power supply in stroboscopic LED filament lamp, rectifying and wave-filtering list
Unit, dimmer maintain electric current to provide the physical circuit figure of unit, linear constant current unit and constant current filter unit；
Fig. 3 for embodiment one without the driving power supply in stroboscopic LED filament lamp in the physical circuit figure that removes stroboscopic unit；
Fig. 4 for embodiment two without the driving power supply in stroboscopic LED filament lamp in the physical circuit figure that removes stroboscopic unit；
Fig. 5 for embodiment two without the driving power supply in stroboscopic LED filament lamp in the first constant current for going in stroboscopic unit
The inside schematic diagram of chip.
Specific embodiment
This utility model is described in further detail below in conjunction with accompanying drawing embodiment.
Embodiment one：
One kind that the present embodiment is proposed without stroboscopic LED filament lamp, as shown in Figure 1, Figure 2 and Figure 3, it include metallic lamp holder 1,
Glass cell-shell 2, the driving power supply 9 of the linear constant current type being arranged in the inner chamber of metallic lamp holder 1, stem stem 3, LED illuminator 4, tune
Light device（Not shown in figure）, the top of stem stem 3 is provided with support 5, and LED illuminator 4 is installed on support 5, is mounted with LED and lights
The stem stem 3 of body 4 is placed in glass cell-shell 2, and constitutes closed cavity 6 with glass cell-shell 2, and filling in closed cavity 6 is dried empty
Gas, noble gases（Such as nitrogen, argon etc.）Or heat-conducting gas（Such as helium, hydrogen etc.）Deng, LED illuminator 4 by stem stem 3
Wire is connected with the driving power supply 9 being arranged in the inner chamber of metallic lamp holder 1, and metallic lamp holder 1 is adhesively fixed with glass cell-shell 2, is driven
Galvanic electricity source 9 by over-current protecting unit 91, rectification filtering unit 92, and dimmer connection dimmer maintain electric current provide unit
93rd, linear constant current unit 94, constant current filter unit 95 and for the output current of constant current filter unit 95 is changed into no current
The galvanic of ripple goes stroboscopic unit 96 to constitute, and the input of over-current protecting unit 91 accesses mains electricity, overcurrent protection
The outfan of unit 91 is connected with the input of rectification filtering unit 92, and outfan and the dimmer of rectification filtering unit 92 are maintained
Electric current provides the input connection of unit 93, and dimmer maintains electric current to provide the outfan and linear constant current unit 94 of unit 93
Input connects, and the outfan of linear constant current unit 94 is connected with the input of constant current filter unit 95, constant current filter unit 95
Outfan be connected with the input for removing stroboscopic unit 96, go the outfan of stroboscopic unit 96 to be connected with LED illuminator 4.Civil power
Mains electricity is converted into unidirectional current after over-current protecting unit 91 and rectification filtering unit 92 by alternating current, and is tentatively filtered
Exchange clutter in unidirectional current, unidirectional current maintain electric current to provide the regulation of unit 93 output current through dimmer and are supplied to linear perseverance
Stream unit 94, the output Constant Direct Current of linear constant current unit 94, carries out voltage filter by constant current filter unit 95, eliminates voltage wave
Stricture of vagina, then through going the 96 further constant current of stroboscopic unit, eliminates current ripple, finally obtains the constant dc without clutter and provides
To LED illuminator 4, the LED high-voltage filament light-emitting in LED illuminator 4, without stroboscopic phenomenon.
In this particular embodiment, stroboscopic unit 96 is gone to be to remove stroboscopic circuit using discrete device, using discrete device
The stroboscopic circuit that goes include N-MOS pipe Q1, first resistor R1, second resistance R2,3rd resistor R3, the first electric capacity C1 and voltage stabilizing two
Pole pipe ZD1, the drain electrode of N-MOS pipe Q1 are connected with one end of first resistor R1, and its public connecting end and constant current filter unit 95
Positive output end connection, the grid of the N-MOS pipe Q1 other end respectively with first resistor R1, one end of second resistance R2, voltage stabilizing
One end connection of the negative terminal of diode ZD1 and the first electric capacity C1, the source electrode of N-MOS pipe Q1 are another with second resistance R2 respectively
One end connection of end, the anode of Zener diode ZD1, the other end of the first electric capacity C1 and 3rd resistor R3, and which is commonly connected
End is connected with the positive metal electrode of LED illuminator 4, the other end of 3rd resistor R3 negative output respectively with constant current filter unit 95
End and the negative metal electrode connection of LED illuminator 4.Here, Zener diode ZD1 and the first electric capacity C1 cause N-MOS pipe Q1's
Grid and source electrode can keep constant voltage, and such N-MOS pipes Q1 just has constant-current characteristicses, so that going stroboscopic unit 96 to carry
The load current of supply LED illuminator 4 does not contain current ripple, and it is not in stroboscopic phenomenon finally to cause LED illuminator 4 luminous.
In this particular embodiment, over-current protecting unit 91 includes line around fusing resistor F1, and rectification filtering unit 92 includes
Rectifier bridge BD, the 5th electric capacity C5, the 12nd resistance R12 and the 13rd resistance R13, the 5th electric capacity C5, the 12nd resistance R12 and
13 resistance R13 constitute filter circuit, and dimmer maintains electric current to provide the second constant current core that unit 93 includes model SM2082
Piece U2, the 14th resistance R14, the 15th resistance R15, the 16th resistance R16, the 17th resistance R17 and the 18th resistance R18,
Linear constant current unit 94 includes the 3rd constant current chip U3 and the 19th resistance R19 of model SM2082, constant current filter unit 95
Including electrochemical capacitor CD and counnter attack diode D1；Line is connected around the live wire L of one end of fusing resistor F1 and mains electricity, line around
The other end of fusing resistor F1 is connected with an input of rectifier bridge BD, another input of rectifier bridge BD and mains
The zero line N connections of electricity, the positive output end of rectifier bridge BD are connected with one end of the 5th electric capacity C5, the other end difference of the 5th electric capacity C5
Be connected with one end of the 12nd resistance R12 and one end of the 13rd resistance R13, the negative output terminal of rectifier bridge BD ground connection and respectively with
The other end connection of the other end and the 13rd resistance R13 of the 12nd resistance R12, the positive output end of rectifier bridge BD and the 5th electric capacity
Public connecting end one end respectively with the 14th resistance R14 of one end connection of C5, one end of the 15th resistance R15, the 16th
The anode connection of one end of resistance R16, one end of the 19th resistance R19 and counnter attack diode D1, the 14th resistance R14's is another
The other end connection of end, the other end of the 15th resistance R15 and the 16th resistance R16, and its public connecting end and the second constant current
The 3rd foot connection of chip U2, the 2nd foot ground connection of the second constant current chip U2, the 1st foot and the 17th resistance of the second constant current chip U2
One end connection of R17, the other end of the 17th resistance R17 one end and the 3rd constant current chip U3 respectively with the 18th resistance R18
The 1st foot connection, the 18th resistance R18 the other end ground connection, the 3rd constant current chip U3 the 2nd foot ground connection, the 3rd constant current chip
3rd foot of U3 is connected with the negative terminal of electrochemical capacitor CD, and the negative terminal of electrochemical capacitor CD is the negative output terminal of constant current filter unit 95, electricity
The anode of solution electric capacity CD is connected with the negative terminal of counnter attack diode D1, and its public connecting end is the positive output of constant current filter unit 95
End, the 4th foot of the 3rd constant current chip U3 is connected with the other end of the 19th resistance R19, the second constant current chip U2 and the 3rd constant current
Remaining foot of chip U3 is hanging.Here, line is used to protect back end of line from heavy current impact around fusing resistor F1；Rectifier bridge
For mains electricity is converted to unidirectional current, rectifier bridge BD is made up of BD four commutation diodes；Filter circuit is used for tune
Light device maintains electric current to provide unit 93 and provides the trigger voltage opened, and also provides the maintenance electric current of fraction；Rectification filtering unit
92 meeting rear class units provide the unidirectional current through primary filtering；14th resistance R14, the 15th resistance R15 and the 16th resistance
R16 is mainly used in the partial heat for sharing the second constant current chip U2, and the 17th resistance R17 and the 18th resistance R18 is used to limit
The size of electric current, the 18th resistance R18 is maintained to be used to detect and set LED illuminator 4；Dimmer maintains electric current to provide unit
93 provide dim signal electric current for rear class unit；19th resistance R19 is used to detect input voltage, carries to linear constant current unit 94
For offset voltage, when making voltage pulsation, output current keeps constant；Linear constant current unit 94 provides constant electricity for rear class unit
Stream；Constant current filter unit 95 is used for the current ripple for reducing output voltage, is the output voltage that rear class unit prepares relative smooth,
Stroboscopic unit 96 is as gone to provide the unidirectional current of no-voltage ripple；Electrochemical capacitor CD has the function of filtering alternating voltage ripple,
Electrochemical capacitor CD adopts alminium electrolytic condenser, counnter attack diode D1 to be used to prevent electric current backflow；Stroboscopic unit 96 is gone to be LED illuminator
4 unidirectional currents that no current ripple is provided.
Embodiment two：
A kind of other knots without stroboscopic LED filament lamp without stroboscopic LED filament lamp with embodiment one that the present embodiment is proposed
Structure all same, the difference is that only：Stroboscopic unit 96 is gone to be to remove stroboscopic circuit using chip, as shown in figure 4, adopting chip
The stroboscopic circuit that goes include the first constant current chip U1 of model YK3123, the 4th resistance R4, the 5th resistance R5, the 6th resistance
R6, the 7th resistance R7, the 8th resistance R8, the 9th resistance R9, the tenth resistance R10, the 11st resistance R11, the second electric capacity C2, the 3rd
Electric capacity C3 and the 4th electric capacity C4, the 1st foot of the first constant current chip U1 are connected with one end of the 5th resistance R5, the first constant current chip U1
The 2nd foot one end respectively with the 6th resistance R6, one end of the 7th resistance R7, one end of the 8th resistance R8, the 9th resistance R9
One end connection of one end and the tenth resistance R10, the other end ground connection of the 6th resistance R6, the 3rd foot of the first constant current chip U1 are hanging,
4th foot of the first constant current chip U1 other end respectively with the 5th resistance R5, the other end of the 7th resistance R7, the 8th resistance R8
One end connection of the other end, the other end, the other end of the tenth resistance R10 and the 11st resistance R11 of the 9th resistance R9, and which is public
Connection end is connected with the negative metal electrode of LED illuminator 4 altogether, one end of the 5th foot and the 4th electric capacity C4 of the first constant current chip U1
Connection, the other end of the 4th electric capacity C4 are grounded and are connected with the other end of the 11st resistance R11, and its public connecting end and constant current
The negative output terminal connection of filter unit 95, the 6th foot ground connection of the first constant current chip U1, the 7th foot of the first constant current chip U1 pass through
3rd electric capacity C3 is grounded, the 8th foot of the first constant current chip U1 one end and one end of the 4th resistance R4 respectively with the second electric capacity C2
Connection, the other end ground connection of the second electric capacity C2, the other end of the 4th resistance R4 positive output end respectively with constant current filter unit 95
With the positive metal electrode connection of LED illuminator 4.Here, feelings of the first constant current chip U1 in 94 output constant current of linear constant current unit
Under condition, the effect with further constant current exports the unidirectional current of no current ripple so that it is not in frequency that LED illuminator 4 is luminous
Flash as；1st foot of the first constant current chip is respectively VLMT to the 8th foot（LED voltage senses input pin）、VS（LED current senses
Input pin）、 NC（Connectionless foot）、 LED-（LED luminescence component negative pole connecting pins）、VG（Metal-oxide-semiconductor grid connecting pin）、GND（Connect
Ground connecting pin）、VC（LED circuit ripple programs connecting pin）、VIN（Power supply supplies connecting pin）, the first constant current chip U1 such as Fig. 5 institutes
Show, which includes voltage source circuit 961, OTP circuits（Over Temperature P;rotection Circuit）962nd, standard
Signal generator 963, comparator 964, rheonome 965 and NMOSFET pipes 966, the input of voltage source circuit 961 and
The 8th foot connection of one constant current chip U1, first outfan of voltage source circuit 961 are connected with the input of OTP circuits 962,
The outfan of OTP circuits 962 is connected with rheonome 965, and second outfan and the standard signal of voltage source circuit 961 are sent out
The input connection of raw device 963, the outfan of reference signal generator 963 are connected with the negative input end of comparator 964, comparator
964 positive input terminal is connected with the 1st foot of the first constant current chip U1, the outfan of comparator 964 respectively with the first constant current chip
The positive input terminal connection of the 7th foot and rheonome 965 of U1, the negative input end of rheonome 965 respectively with the first constant current
The source electrode connection of the 2nd foot and NMOSFET pipes 966 of chip U1, the outfan of rheonome 965 respectively with the first constant current chip
The grid connection of the 5th foot and NMOSFET pipes 966 of U1, the drain electrode of NMOSFET pipes 966 are connected with the 4th foot of the first constant current chip U1
Connect.Here, voltage source circuit 961 is used to receive the voltage of external circuitry and produce reference voltage；OTP circuits 962 have protection
The function of the first constant current chip U1, when the temperature of the first constant current chip U1 is more than 145 degrees Celsius, OTP circuits 962 start, the
One constant current chip U1 is closed near 120 degrees Celsius until temperature；Reference signal generator 963 is used to produce certain waveform and work
The voltage and current signal of frequency；Comparator 964 is compared for the voltage to reference voltage with LED, so as to adjust LED's
Voltage；Rheonome 965 is used between the 2nd foot and the 6th foot of the first constant current chip U1 of the first constant current chip U1 of regulation
Resistance value makes its voltage equal to the reference voltage between the 7th foot and the 6th foot of the first constant current chip U1 of the first constant current chip U1；
NMOSFET pipes 966 control the of the 7th foot and the first constant current chip U1 of the first constant current chip U1 for by its switching characteristic
The electric current of reference voltage and LED between 6 feet.
Embodiment three：
The present embodiment propose it is a kind of without stroboscopic LED filament lamp to embodiment one or embodiment two without stroboscopic LED filament
The structure of lamp is further improved, and also added referring to Fig. 1 to carry out the radiating knot of effective radiating to driving power supply 9
Structure, radiator structure are the heat dissipating layer 8 of one layer of heat dissipating substance formation of the surface outer wrapping of driving power supply 9, are enclosed with heat dissipating layer 8
Driving power supply 9 is placed in the inner chamber of metallic lamp holder 1, and heat dissipating layer 8 is connected with the inwall contact of metallic lamp holder 1, so that driving power supply 9
Heat metallic lamp holder 1 passed to by heat dissipating layer 8 derive, heat dissipating substance is radiating mud or thermal paste, such driving power supply 9
Heat can pass to metallic lamp holder 1 by heat-conducting glue or heat conduction mud and distribute, and effectively prevent driving power supply 9 because of power consumption
It is slightly larger and cause the elevated problem of 9 temperature of driving power supply.Here, heat-conducting glue can be heat conduction embedding silicone rubber or heat conduction embedding epoxy
Glue；Heat conduction mud is the heat-conducting silicone grease of the material or paste being mixed by organosilicon material, heat filling and macromolecule silicone oil.
In above-mentioned each embodiment, metallic lamp holder 1 can select E types such as E12, E14, E26, E27 etc., GU types such as GU10, MR
Type such as MR11, MR16 etc.；LED illuminator 4 includes one or more LED high-voltage filament, many LED high-voltage filament series, parallel
Or connection in series-parallel is together；LED high-voltage filament is multiple purple lights or blue-light LED chip series connection or connection in series-parallel on substrate and coats glimmering
Optical cement is constituted, or the series connection of multiple LED lamp beads or connection in series-parallel are constituted together；Second constant current chip U2 also can be by model
The constant current chip of BP5131S or model RM9003S is substituted；3rd constant current chip U3 also can be by model BP5136 or type
Number for RM9001E constant current chip substitute.
Claims (8)
1. one kind is without stroboscopic LED filament lamp, including the driving power supply and LED illuminator of linear constant current type, it is characterised in that：It is described
Driving power supply by over-current protecting unit, rectification filtering unit, linear constant current unit, constant current filter unit and for will be described
The output current of constant current filter unit is changed into the galvanic of no current ripple and goes stroboscopic unit to constitute, described overcurrent protection
The input of unit accesses mains electricity, and the outfan of described over-current protecting unit is defeated with described rectification filtering unit
Enter end connection, the outfan of described rectification filtering unit is connected with the input of described linear constant current unit, described line
The outfan of property constant current unit is connected with the input of described constant current filter unit, the outfan of described constant current filter unit
It is connected with the described input for removing stroboscopic unit, the described outfan for removing stroboscopic unit is connected with described LED illuminator.
2. one kind according to claim 1 is without stroboscopic LED filament lamp, it is characterised in that：Described removes stroboscopic unit to adopt
Remove stroboscopic circuit with discrete device, described employing discrete device go stroboscopic circuit include N-MOS pipes, first resistor,
Two resistance, 3rd resistor, the first electric capacity and Zener diode, the drain electrode and the one of described first resistor of described N-MOS pipes
End connects, and its public connecting end is connected with the positive output end of described constant current filter unit, and the grid of described N-MOS pipes divides
The other end, one end of described second resistance, the negative terminal of described Zener diode not with described first resistor and described
The first electric capacity one end connection, it is the source electrode of the described N-MOS pipes other end respectively with described second resistance, described steady
One end connection of the anode, the other end of the first described electric capacity and described 3rd resistor of pressure diode, and which is commonly connected
End is connected with the positive metal electrode of described LED illuminator, and the other end of described 3rd resistor is filtered with described constant current respectively
The negative metal electrode connection of the negative output terminal of ripple unit and described LED illuminator.
3. one kind according to claim 1 is without stroboscopic LED filament lamp, it is characterised in that：Described removes stroboscopic unit to adopt
Remove stroboscopic circuit with chip, described employing chip go stroboscopic circuit include model YK3123 the first constant current chip,
4th resistance, the 5th resistance, the 6th resistance, the 7th resistance, the 8th resistance, the 9th resistance, the tenth resistance, the 11st resistance,
Two electric capacity, the 3rd electric capacity and the 4th electric capacity, described the 1st foot of the first constant current chip are connected with one end of the 5th described resistance
Connect, the 2nd foot of described the first constant current chip one end respectively with the 6th described resistance, one end of the 7th described resistance,
One end connection of one end, one end of the 9th described resistance and the tenth described resistance of the 8th described resistance, described the
The other end ground connection of six resistance, the 3rd foot of the first described constant current chip are hanging, and the 4th foot of the first described constant current chip divides
It is the other end, the other end of the 7th described resistance, the other end of the 8th described resistance not with the 5th described resistance, described
The 9th resistance the other end, the other end of the tenth described resistance and the 11st described resistance one end connection, and which is public
Altogether connection end is connected with the negative metal electrode of described LED illuminator, the 5th foot of described the first constant current chip and described the
One end connection of four electric capacity, the other end of the 4th described electric capacity are grounded and are connected with the other end of the 11st described resistance,
And its public connecting end is connected with the negative output terminal of described constant current filter unit, the 6th foot of the first described constant current chip connects
Ground, the 7th foot of described the first constant current chip by the 3rd described capacity earth, the 8th foot of described the first constant current chip
It is connected with one end of the second described electric capacity and one end of the 4th described resistance respectively, another termination of described the second electric capacity
Ground, the other end of described the 4th resistance positive output end and described LED illuminator respectively with described constant current filter unit
The connection of positive metal electrode.
4. the one kind according to Claims 2 or 3 is without stroboscopic LED filament lamp, it is characterised in that：This is without stroboscopic LED filament lamp
Also include dimmer, be connected between the described outfan of rectification filtering unit and the input of described linear constant current unit
The dimmer being connected with described dimmer maintains electric current to provide unit.
5. one kind according to claim 4 is without stroboscopic LED filament lamp, it is characterised in that：Described over-current protecting unit bag
Line is included around fusing resistor, described rectification filtering unit includes rectifier bridge, the 5th electric capacity, the 12nd resistance and the 13rd resistance,
Described the 5th electric capacity, the 12nd described resistance and the 13rd described resistance constitute filter circuit, described dimmer dimension
Holding electric current and providing unit includes the second constant current chip of model SM2082, the 14th resistance, the 15th resistance, the 16th electric
Resistance, the 17th resistance and the 18th resistance, described linear constant current unit include the 3rd constant current chip of model SM2082 and
19th resistance, described constant current filter unit include electrochemical capacitor and counnter attack diode；Described line around fusing resistor one
The end live wire electric with mains is connected, an input of the other end of described line around fusing resistor and described rectifier bridge
Connection, the zero line that another input of described rectifier bridge is electric with mains are connected, the positive output end of described rectifier bridge
It is connected with one end of the 5th described electric capacity, the other end of described the 5th electric capacity one end respectively with the 12nd described resistance
Connect with one end of the 13rd described resistance, the negative output terminal ground connection of described rectifier bridge and electric with the described 12nd respectively
The other end connection of the other end of resistance and the 13rd described resistance, the positive output end of described rectifier bridge are electric with the described the 5th
Public connecting end one end respectively with the 14th described resistance of one end connection of appearance, one end of the 15th described resistance,
The anode connection of one end, one end of the 19th described resistance and described counnter attack diode of the 16th described resistance, institute
The other end of the other end, the other end of the 15th described resistance and the 16th described resistance of the 14th resistance stated connects
Connect, and its public connecting end is connected with the 3rd foot of the second described constant current chip, the 2nd foot of the second described constant current chip connects
Ground, the 1st foot of the second described constant current chip is connected with one end of the 17th described resistance, described the 17th resistance it is another
One end is connected with one end of the 18th described resistance and the 1st foot of the 3rd described constant current chip respectively, and the described the 18th
The other end ground connection of resistance, the 2nd foot ground connection of described the 3rd constant current chip, the 3rd foot of described the 3rd constant current chip and institute
The negative terminal connection of the electrochemical capacitor stated, the negative terminal of described electrochemical capacitor is the negative output terminal of described constant current filter unit, institute
The anode of the electrochemical capacitor stated is connected with the negative terminal of described counnter attack diode, and its public connecting end is described constant current filtering
The positive output end of unit, the 4th foot of the 3rd described constant current chip are connected with the other end of the 19th described resistance, described
Remaining foot of second constant current chip and the 3rd described constant current chip is hanging.
6. one kind according to claim 1 is without stroboscopic LED filament lamp, it is characterised in that：This is also wrapped without stroboscopic LED filament lamp
Include metallic lamp holder and the radiator structure of effective radiating can be carried out to described driving power supply, described radiator structure is described
The heat dissipating layer that one layer of heat dissipating substance of the surface outer wrapping of driving power supply is formed, is enclosed with the described driving of described heat dissipating layer
Power supply is placed in the inner chamber of described metallic lamp holder, and the inwall contact of described heat dissipating layer with described metallic lamp holder is connected, with
The heat of described driving power supply is made to pass to described metallic lamp holder derivation by described heat dissipating layer.
7. one kind according to claim 6 is without stroboscopic LED filament lamp, it is characterised in that：Described heat dissipating substance is radiating
Mud or thermal paste.
8. one kind according to claim 3 is without stroboscopic LED filament lamp, it is characterised in that：The first described constant current chip bag
Include voltage source circuit, OTP circuits, reference signal generator, comparator, rheonome and NMOSFET pipe, described voltage source
The input of circuit is connected with the 8th foot of the first described constant current chip, first outfan of described voltage source circuit with
The input connection of described OTP circuits, the outfan of described OTP circuits is connected with described rheonome, described
Second outfan of voltage source circuit is connected with the input of described reference signal generator, and described standard signal occurs
The outfan of device is connected with the negative input end of described comparator, the positive input terminal of described comparator and the first described constant current
The 1st foot connection of chip, the outfan of described comparator the 7th foot and described electricity respectively with the first described constant current chip
The positive input terminal connection of throttle regulator, the negative input end of described rheonome respectively with the first described constant current chip the
The source electrode connection of 2 feet and described NMOSFET pipes, the outfan of described rheonome respectively with the first described constant current core
The grid connection of the 5th foot and described NMOSFET pipes of piece, the drain electrode of described NMOSFET pipes and the first described constant current core
The 4th foot connection of piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621064342.0U CN206077765U (en) | 2016-09-20 | 2016-09-20 | One kind is without stroboscopic LED filament lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621064342.0U CN206077765U (en) | 2016-09-20 | 2016-09-20 | One kind is without stroboscopic LED filament lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206077765U true CN206077765U (en) | 2017-04-05 |
Family
ID=58438428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621064342.0U Withdrawn - After Issue CN206077765U (en) | 2016-09-20 | 2016-09-20 | One kind is without stroboscopic LED filament lamp |
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| Country | Link |
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| CN (1) | CN206077765U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106332361A (en) * | 2016-09-20 | 2017-01-11 | 浙江阳光美加照明有限公司 | Frequency-flicker-free LED filament lamp |
-
2016
- 2016-09-20 CN CN201621064342.0U patent/CN206077765U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106332361A (en) * | 2016-09-20 | 2017-01-11 | 浙江阳光美加照明有限公司 | Frequency-flicker-free LED filament lamp |
| CN106332361B (en) * | 2016-09-20 | 2017-10-03 | 浙江阳光美加照明有限公司 | One kind is without stroboscopic LED filament lamp |
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