CN106332361A - Frequency-flicker-free LED filament lamp - Google Patents
Frequency-flicker-free LED filament lamp Download PDFInfo
- Publication number
- CN106332361A CN106332361A CN201610833427.9A CN201610833427A CN106332361A CN 106332361 A CN106332361 A CN 106332361A CN 201610833427 A CN201610833427 A CN 201610833427A CN 106332361 A CN106332361 A CN 106332361A
- Authority
- CN
- China
- Prior art keywords
- resistance
- constant current
- unit
- foot
- stroboscopic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/395—Linear regulators
-
- 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
- F21V23/02—Arrangement of electric circuit elements in or on lighting devices the elements being transformers, impedances or power supply units, e.g. a transformer with a rectifier
-
- 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
- F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
-
- 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
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
- F21V29/508—Cooling arrangements characterised by the adaptation for cooling of specific components of electrical circuits
-
- 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
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/85—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems characterised by the material
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/10—Controlling the intensity of the light
-
- 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]
Abstract
The invention discloses a frequency-flicker-free LED filament lamp comprising a linear constant-current drive power supply and an LED luminous body. The drive power supply is composed of an over-current protection unit, a rectifier and filter unit, a linear constant-current unit, a constant-current filter unit, and a frequency flicker elimination unit used for converting the output current of the constant-current filter unit into direct current without current ripple. AC mains power is connected into the input end of the over-current protection unit. The output end of the over-current protection unit is connected with the input end of the rectifier and filter unit. The output end of the rectifier and filter unit is connected with the input end of the linear constant-current unit. The output end of the linear constant-current unit is connected with the input end of the constant-current filter unit. The output end of the constant-current filter unit is connected with the input end of the frequency flicker elimination unit. The output end of the frequency flicker elimination unit is connected with the LED luminous body. The advantage lies in that because of the introduction of the frequency flicker elimination unit, current ripple of constant current is eliminated, the precision of constant current is high, and therefore, there is no frequency flicker during light emission of the LED high-voltage filament in the LED luminous body.
Description
Technical field
The present invention relates to a kind of LED filament lamp, especially relate to a kind of without stroboscopic LED filament lamp.
Background technology
LED filament is bonding on bar shaped substrate and connect many ultraviolets or blue-light LED chip, then by bar shaped substrate and purple
Outer or blue-light LED chip phosphor gel cladding is got up, and formation, ultraviolet or blue-light LED chip are luminous to be combined with light-emitting phosphor
Becoming illumination white light, the running voltage of LED filament is typically 30～about 80V.
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 is positioned at transparent bulb case, and drives power supply to be 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 ultraviolet or the general work under d.c. current of blue-light LED chip
Making, therefore LED filament lamp needs to drive power supply that city's alternating current is converted into ultraviolet or the unidirectional current of blue-light LED chip work.LED
The driving power supply that filament lamp uses 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, and simple in construction, volume is little, but can cause LED filament stroboscopic relatively
For seriously, it is unfavorable for health；Although the driving power supply of type switching power is without stroboscopic problem, but composition components and parts are many, 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 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 being that the stroboscopic problem of LED filament is serious but there is also, to be improved, and power consumption is big compared with causing greatly caloric value, although can lead to
Cross and take existing cooling measure to make driving power supply be unlikely to a liter high-temperature, but the structure of existing radiator structure is complicated.
Summary of the invention
The technical problem to be solved is to provide a kind of without stroboscopic LED filament lamp, the linear constant current type that it uses
Driving power supply make LED filament without stroboscopic.
The present invention solves the technical scheme that above-mentioned technical problem used: a kind of without stroboscopic LED filament lamp, including linearly
The driving power supply of constant-current type and LED illuminator, it is characterised in that: described driving power supply is by over-current protecting unit, rectifying and wave-filtering
Unit, linear constant current unit, constant current filter unit and for the output electric current of described constant current filter unit being changed into without electricity
Stream the galvanic of ripple goes stroboscopic unit to form, and the input of described over-current protecting unit accesses mains electricity, described
The outfan of over-current protecting unit be connected with the input of described rectification filtering unit, described rectification filtering unit defeated
Going out end to be connected with the input of described linear constant current unit, the outfan of described linear constant current unit is filtered with described constant current
The input of ripple unit connects, and the outfan of described constant current filter unit is connected with the described input removing stroboscopic unit,
The described outfan removing stroboscopic unit is connected with described LED illuminator.
Described go stroboscopic unit be use discrete device remove stroboscopic circuit, described use discrete device remove stroboscopic
Circuit includes N-MOS pipe, the first resistance, the second resistance, the 3rd resistance, the first electric capacity and Zener diode, described N-MOS pipe
Drain electrode be connected with one end of the first described resistance, and the positive output end of its public connecting end and described constant current filter unit
Connect, the grid of described N-MOS pipe respectively with the other end of the first described resistance, one end of the second described resistance, institute
The negative terminal of the Zener diode stated and one end of the first described electric capacity connect, and the source electrode of described N-MOS pipe is respectively with described
The other end of the 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, the 3rd described resistance
The other end be connected with the negative output terminal of described constant current filter unit and the negative metal electrode of described LED illuminator respectively.
Here, Zener diode and the first electric capacity make the grid of N-MOS pipe and source electrode can keep constant voltage, such N-MOS manages
Just there is constant-current characteristics, so that the load current going stroboscopic unit to be supplied to LED illuminator does not contains current ripple, finally make
Obtain LED illuminator luminescence and do not have stroboscopic phenomenon.
Described go stroboscopic unit be use chip remove stroboscopic circuit, the described stroboscopic circuit that goes using chip includes
Model be first constant current chip of 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 the first described constant current chip
Foot is connected with one end of the 5th described resistance, the 2nd foot of the first described 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 of ten resistance connects, and the other end ground connection of the 6th described resistance, the 3rd foot of the first described constant current chip is unsettled, institute
4th foot of the first constant current chip stated respectively with the other end of the 5th described resistance, the described other end of the 7th 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, 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 the 4th described electric capacity and with described
The other end of the 11st resistance connect, and its public connecting end is connected with the negative output terminal of described constant current filter unit, institute
6th foot ground connection of the first constant current chip stated, the 7th foot of the first described constant current chip passes through the 3rd described capacity earth,
8th foot of the first described constant current chip is respectively with one end of one end of the second described electric capacity and the 4th described resistance even
Connect, the other end ground connection of the second described electric capacity, the other end of the 4th described resistance respectively with described constant current filter unit
Positive output end and described LED illuminator positive metal electrode connect.Here, the first constant current chip is defeated in linear constant current unit
In the case of going out constant current, there is the effect of further constant current, the unidirectional current of output no current ripple so that LED illuminator is luminous
Do not have stroboscopic phenomenon；1st foot of the first constant current chip is respectively VLMT(LED voltage induced input pin to the 8th foot), VS
(LED current sensing input pin), NC(are without connecting pin), LED-(LED luminescence component negative pole connecting pin), VG(MOS tube grid even
Pin), GND(grounding connection foot), VC(LED circuit ripple programming connecting pin), VIN(power supply supply connecting pin).
This also includes dimmer without stroboscopic LED filament lamp, and the outfan of described rectification filtering unit is linear with described
Connect between the input of constant current unit and have the dimmer being connected with described dimmer to maintain electric current to provide unit.Here, it is logical
Cross and dimmer and dimmer maintenance electric current offer unit are set, this can be made to have dimming function without stroboscopic LED filament light fixture, and adjust
Optical range is big.
Described over-current protecting unit include line around fusing resistor, described rectification filtering unit include rectifier bridge, the 5th
Electric capacity, the 12nd resistance and the 13rd resistance, the 5th described electric capacity, the 12nd described resistance and the 13rd described resistance
Constitute filter circuit, described dimmer maintain electric current to provide the second constant current chip that unit includes that model is SM2082, the tenth
Four resistance, the 15th resistance, the 16th resistance, the 17th resistance and the 18th resistance, described linear constant current unit includes type
Number being the 3rd constant current chip and the 19th resistance of SM2082, described constant current filter unit includes electrochemical capacitor and counnter attack two pole
Pipe；The described line live wire around one end of fusing resistor with mains electricity is connected, and described line is around the other end of fusing resistor
Being connected with an input of described rectifier bridge, another input of described rectifier bridge connects with the zero line of mains electricity
Connecing, the positive output end of described rectifier bridge is connected with one end of the 5th described electric capacity, and 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
Ground connection and being connected with the other end of the 12nd described resistance and the other end of the 13rd 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 one of the 14th described resistance
End, described one end of 15th resistance, one end of the 16th described resistance, one end of the 19th described resistance and described
Counnter attack diode anode connect, the other end of the 14th described 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 2nd foot ground connection of the second constant current chip, one end of the 1st foot of the second described constant current chip and the 17th described resistance is even
Connect, the other end of the 17th described 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 the 18th described resistance, the 2nd foot ground connection of the 3rd described 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 is connected with the negative terminal of described counnter attack diode, and it is public
Connect the positive output end that end is described constant current filter unit, the 4th foot and the described the 19th of the 3rd described constant current chip
The other end of resistance connects, and remaining foot of the second described constant current chip and the 3rd described constant current chip is the most unsettled.Here, line
It is used for protecting back end of line from heavy current impact around fusing resistor；Rectifier bridge is used for mains electricity is converted to unidirectional current,
Rectifier bridge is made up of four commutation diodes；Filter circuit is for maintaining electric current to provide unit to provide the triggering opened to dimmer
Voltage, also provides for the maintenance electric current of fraction；Rectification filtering unit can provide the unidirectional current through primary filtering by rear class unit；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
With the 18th resistance for limiting the size maintaining electric current, the 18th resistance is for detecting and setting LED illuminator；Dimmer
Electric current is maintained to provide unit to provide dim signal electric current for rear class unit；19th resistance is used for detecting input voltage, gives linear
Constant current unit provides and compensates voltage, makes to export electric current during voltage pulsation and keeps constant；Linear constant current unit provides for rear class unit
Constant electric current；Constant current filter unit, for reducing the current ripple of output voltage, prepares the defeated of relative smooth for rear class unit
Go out voltage, be stroboscopic unit and the unidirectional current of no-voltage ripple is provided；Electrochemical capacitor has the merit filtering alternating voltage ripple
Can, electrochemical capacitor uses alminium electrolytic condenser, and counnter attack diode is used for preventing electric current backflow；Removing stroboscopic unit is that LED illuminator carries
Unidirectional current for no current ripple.
Without stroboscopic LED filament lamp, this also includes that metallic lamp holder is scattered with can effectively dispel the heat described driving power supply
Heat structure, described radiator structure is the heat dissipating layer of one layer of heat dissipating substance formation of the described surface outer wrapping driving power supply,
The described power supply that drives 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 contact internal walls of the metallic lamp holder stated connects, so that the described heat driving power supply passes to described by described heat dissipating layer
Metallic lamp holder derive.Here, drive the heat of power supply can pass to metallic lamp holder by heat-conducting layer and distribute, effectively
Prevent the problem driving power supply to cause driving power source temperature to raise because power consumption is slightly larger.
Described heat dissipating substance is heat radiation mud or thermal paste.
The first described constant current chip includes that voltage source circuit, OTP circuit, reference signal generator, comparator, electric current are adjusted
Joint device and NMOSFET pipe, 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 circuit, the outfan of described OTP circuit with
Described rheonome connects, and second outfan of described voltage source circuit is defeated with described reference signal generator
Entering end to connect, 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, and the outfan of described comparator is respectively with described
7th foot of the first constant current chip and the positive input terminal of described rheonome connect, the negative input of described rheonome
End is connected with the 2nd foot of the first described constant current chip and the source electrode of described NMOSFET pipe respectively, described rheonome
Outfan be connected with the 5th foot of the first described constant current chip and the grid of described NMOSFET pipe respectively, described
The drain electrode of NMOSFET pipe is connected with the 4th foot of the first described constant current chip.
Compared with prior art, it is an advantage of the current invention that:
1) mains electricity is converted into directly by the driving power utilization rectification filtering unit in the lamp of LED filament without stroboscopic of the present invention
Stream electricity, and tentatively filter the exchange clutter in unidirectional current, utilize linear constant current unit to export Constant Direct Current, single by constant current filtering
Unit carries out voltage filter to eliminate ripple voltage, utilizes and goes the further constant current of stroboscopic unit to eliminate current ripple, finally obtains
Constant dc without clutter supplies LED illuminator, goes the further constant current of stroboscopic unit to eliminate current ripple owing to introducing, permanent
Stream precision is high, hence in so that the LED high-voltage filament light-emitting in LED illuminator does not haves stroboscopic phenomenon.
2) circuit structure of the driving power supply in the lamp of LED filament without stroboscopic of the present invention is simple, and volume is little, can be contained in
In the inner chamber of metallic lamp holder.
Accompanying drawing explanation
Fig. 1 is the sectional structure schematic diagram of the lamp of LED filament without stroboscopic of embodiment one；
Fig. 2 be in the lamp of LED filament without stroboscopic of embodiment one drive the over-current protecting unit in power supply, rectification filtering unit,
Dimmer maintains electric current to provide unit, linear constant current unit and the physical circuit figure of constant current filter unit；
Fig. 3 is the physical circuit figure removing stroboscopic unit in the driving power supply in the lamp of LED filament without stroboscopic of embodiment one；
Fig. 4 is the physical circuit figure removing stroboscopic unit in the driving power supply in the lamp of LED filament without stroboscopic of embodiment two；
Fig. 5 is the first constant current chip gone in stroboscopic unit in the driving power supply in the lamp of LED filament without stroboscopic of embodiment two
Inside schematic diagram.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.
Embodiment one:
The one that the present embodiment proposes is without stroboscopic LED filament lamp, and as shown in Figure 1, Figure 2 and Figure 3, it includes metallic lamp holder 1, glass
Cell-shell 2, the driving power supply 9 of linear constant current type being arranged in the inner chamber of metallic lamp holder 1, stem stem 3, LED illuminator 4, dimmer
(not shown), the top of stem stem 3 is provided with support 5, and LED illuminator 4 is installed on support 5, is mounted with LED illuminator 4
Stem stem 3 be placed in glass cell-shell 2, and constitute closed cavity 6 with glass cell-shell 2, fill in closed cavity 6 dry air,
Noble gas (such as nitrogen, argon etc.) or heat-conducting gas (such as helium, hydrogen etc.) etc., LED illuminator 4 is by leading on stem stem 3
Line is connected with the driving power supply 9 in the inner chamber being arranged at metallic lamp holder 1, and metallic lamp holder 1 is adhesively fixed with glass cell-shell 2, drives
Dimmer that power supply 9 is connected with dimmer by over-current protecting unit 91, rectification filtering unit 92 maintain electric current provide unit 93,
Linear constant current unit 94, constant current filter unit 95 and for the output electric current of constant current filter unit 95 is changed into no current ripple
Galvanic go stroboscopic unit 96 to form, the input of over-current protecting unit 91 accesses mains electricity, over-current protecting unit
The outfan of 91 is connected with the input of rectification filtering unit 92, and the outfan of rectification filtering unit 92 maintains electric current with dimmer
The input providing unit 93 connects, and dimmer maintains electric current to provide the outfan of unit 93 and the input of linear constant current unit 94
End 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 defeated
Go out end to be connected with the input removing stroboscopic unit 96, go the outfan of stroboscopic unit 96 to be connected with LED illuminator 4.Mains
Mains electricity is converted into unidirectional current after over-current protecting unit 91 and rectification filtering unit 92 by electricity, and tentatively filters direct current
Exchange clutter in electricity, unidirectional current maintains electric current to provide unit 93 regulation output electric current to be supplied to linear constant current list through dimmer
Unit 94, linear constant current unit 94 exports Constant Direct Current, carries out voltage filter by constant current filter unit 95, eliminates ripple voltage,
It is then passed through the further constant current of stroboscopic unit 96, eliminates current ripple, finally obtain the constant dc without clutter and be supplied to
LED illuminator 4, the LED high-voltage filament light-emitting in LED illuminator 4, without stroboscopic phenomenon.
In this particular embodiment, go stroboscopic unit 96 to remove stroboscopic circuit for use discrete device, use discrete device
The stroboscopic circuit that goes include N-MOS pipe Q1, the first resistance R1, the second resistance R2, the 3rd resistance R3, the first electric capacity C1 and voltage stabilizing two
The drain electrode of pole pipe ZD1, N-MOS pipe Q1 is connected with one end of the first resistance R1, and its public connecting end and constant current filter unit 95
Positive output end connect, the grid of N-MOS pipe Q1 respectively with the other end of the first resistance R1, one end of the second resistance R2, voltage stabilizing
One end of the negative terminal of diode ZD1 and the first electric capacity C1 connects, the source electrode of N-MOS pipe Q1 respectively with another of the second resistance R2
One end of end, the anode of Zener diode ZD1, the other end of the first electric capacity C1 and the 3rd resistance R3 connects, and it is commonly connected
End is connected with the positive metal electrode of LED illuminator 4, the other end of the 3rd resistance R3 respectively with the negative output of constant current filter unit 95
The negative metal electrode of end and LED illuminator 4 connects.Here, Zener diode ZD1 and the first electric capacity C1 makes N-MOS pipe Q1's
Grid and source electrode can keep constant voltage, such N-MOS pipe Q1 just to have constant-current characteristics, so that go stroboscopic unit 96 to carry
The load current of supply LED illuminator 4, without current ripple, finally makes LED illuminator 4 luminescence not have stroboscopic phenomenon.
In this particular embodiment, over-current protecting unit 91 includes that line includes around fusing resistor F1, rectification filtering unit 92
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 unit 93 to include the second constant current core that model is SM2082
Sheet 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 that model is 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 of electricity connects, and the positive output end of rectifier bridge BD and one end of the 5th electric capacity C5 connect, and the other end of the 5th electric capacity C5 is respectively
Be connected with one end of the 12nd resistance R12 and one end of the 13rd resistance R13, the negative output terminal ground connection of rectifier bridge BD and respectively with
The other end of the 12nd resistance R12 and the other end of the 13rd resistance R13 connect, the positive output end of rectifier bridge BD and the 5th electric capacity
The public connecting end that one end of C5 connects respectively with one end of the 14th resistance R14, one end of the 15th resistance R15, the 16th
The anode of one end of resistance R16, one end of the 19th resistance R19 and counnter attack diode D1 connects, another of the 14th resistance R14
End, the other end of the other end of the 15th resistance R15 and the 16th resistance R16 connect, and its public connecting end and the second constant current
3rd foot of chip U2 connects, the 2nd foot ground connection of the second constant current chip U2, the 1st foot of the second constant current chip U2 and the 17th resistance
One end of R17 connects, the other end of the 17th resistance R17 respectively with one end and the 3rd constant current chip U3 of the 18th resistance R18
The 1st foot connect, the other end ground connection of the 18th resistance R18, the 2nd foot ground connection of the 3rd constant current chip U3, 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 solving electric capacity CD is connected with the negative terminal of counnter attack diode D1, and the positive output that its public connecting end is constant current filter unit 95
End, the 4th foot of the 3rd constant current chip U3 and the other end of the 19th resistance R19 connect, the second constant current chip U2 and the 3rd constant current
Remaining foot of chip U3 is the most unsettled.Here, line is used for protecting back end of line from heavy current impact around fusing resistor F1；Rectifier bridge
BD is for being converted to unidirectional current by mains electricity, and rectifier bridge BD is made up of four commutation diodes；Filter circuit is adjusted for giving
Light device maintains electric current to provide unit 93 to provide the trigger voltage opened, and also provides for the maintenance electric current of fraction；Rectification filtering unit
92 can provide the unidirectional current through primary filtering by rear class unit；14th resistance R14, the 15th resistance R15 and the 16th resistance
R16 is mainly used in sharing the partial heat of the second constant current chip U2, and the 17th resistance R17 and the 18th resistance R18 is used for limiting
Maintaining the size of electric current, the 18th resistance R18 is for detecting 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 for detecting input voltage, carries to linear constant current unit 94
For compensating voltage, make during voltage pulsation, to export electric current and keep constant；Linear constant current unit 94 provides constant electricity for rear class unit
Stream；Constant current filter unit 95, for reducing the current ripple of output voltage, prepares the output voltage of relative smooth for rear class unit,
It is stroboscopic unit 96 and the unidirectional current of no-voltage ripple is provided；Electrochemical capacitor CD has the function filtering alternating voltage ripple,
Electrochemical capacitor CD uses alminium electrolytic condenser, counnter attack diode D1 to be used for preventing electric current backflow；Go stroboscopic unit 96 for LED illuminator
4 unidirectional currents that no current ripple is provided.
Embodiment two:
A kind of lamp of LED filament without stroboscopic that the present embodiment proposes is equal with other structure of the lamp of LED filament without stroboscopic of embodiment one
Identical, the difference is that only: that goes stroboscopic unit 96 for employing chip removes stroboscopic circuit, as shown in Figure 4, uses going of chip
Stroboscopic circuit include the first constant current chip U1 that model is YK3123, the 4th resistance R4, the 5th resistance R5, the 6th resistance R6,
Seven 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
One end of 1st foot of C3 and the 4th electric capacity C4, the first constant current chip U1 and the 5th resistance R5 connects, the of the first constant current chip U1
2 feet respectively with one end of the 6th resistance R6, one end of the 7th resistance R7, one end of the 8th resistance R8, one end of the 9th resistance R9
And the tenth resistance R10 one end connect, the other end ground connection of the 6th resistance R6, the 3rd foot of the first constant current chip U1 is unsettled, first
4th foot of constant current chip U1 respectively with the other end of the 5th resistance R5, the other end of the 7th resistance R7, the 8th resistance R8 another
One end of end, the other end of the 9th resistance R9, the other end of the tenth resistance R10 and the 11st resistance R11 connects, and its public company
Connecing end to be connected with the negative metal electrode of LED illuminator 4, the 5th foot of the first constant current chip U1 and one end of the 4th electric capacity C4 connect,
The other end ground connection of the 4th electric capacity C4 and being connected with the other end of the 11st resistance R11, and its public connecting end filters with constant current
The negative output terminal of unit 95 connects, the 6th foot ground connection of the first constant current chip U1, and the 7th foot of the first constant current chip U1 passes through the 3rd
Electric capacity C3 ground connection, the 8th foot of the first constant current chip U1 is connected with one end of the second electric capacity C2 and one end of the 4th resistance R4 respectively,
The other end ground connection of the second electric capacity C2, the other end of the 4th resistance R4 respectively with positive output end and the LED of constant current filter unit 95
The positive metal electrode of luminous body 4 connects.Here, the first constant current chip U1 is in the case of linear constant current unit 94 output constant current,
There is the effect of further constant current, the unidirectional current of output no current ripple so that it is existing that LED illuminator 4 luminescence does not haves stroboscopic
As；1st foot of the first constant current chip is respectively VLMT(LED voltage induced input pin to the 8th foot), VS(LED electric current sensing input
Foot), NC(is without connecting pin), LED-(LED luminescence component negative pole connecting pin), VG(MOS tube grid connecting pin), GND(ground connection even
Pin), VC(LED circuit ripple programming connecting pin), VIN(power supply supply connecting pin), the first constant current chip U1 as it is shown in figure 5,
It includes voltage source circuit 961, OTP circuit (Over Temperature P;Rotection Circuit) 962, standard signal
Generator 963, comparator 964, rheonome 965 and NMOSFET pipe 966, the input of voltage source circuit 961 and the first perseverance
8th foot of stream chip U1 connects, and first outfan of voltage source circuit 961 is connected with the input of OTP circuit 962, OTP electricity
The outfan on road 962 is connected with rheonome 965, second outfan of voltage source circuit 961 and reference signal generator
The input of 963 connects, and the outfan of reference signal generator 963 is connected with the negative input end of comparator 964, comparator 964
Positive input terminal and the first constant current chip U1 the 1st foot connect, the outfan of comparator 964 is respectively with the first constant current chip U1's
The positive input terminal of the 7th foot and rheonome 965 connects, the negative input end of rheonome 965 respectively with the first constant current chip
2nd foot of U1 and the source electrode of NMOSFET pipe 966 connect, and the outfan of rheonome 965 is respectively with the first constant current chip U1's
The grid of the 5th foot and NMOSFET pipe 966 connects, and the drain electrode of NMOSFET pipe 966 is connected with the 4th foot of the first constant current chip U1.
Here, voltage source circuit 961 is for receiving the voltage of external circuitry and producing reference voltage；OTP circuit 962 has protection first
The function of constant current chip U1, when the temperature of the first constant current chip U1 is more than 145 degrees Celsius, OTP circuit 962 starts, and first is permanent
Stream chip U1 closes until near 120 degrees Celsius of temperature；Reference signal generator 963 is used for producing certain waveform and operating frequency
Voltage and current signal；Comparator 964 is for comparing the voltage of reference voltage with LED, thus adjusts the electricity of LED
Pressure；The rheonome 965 electricity between the 2nd foot and the 6th foot of the first constant current chip U1 of regulation the first constant current chip U1
Resistance 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 pipe 966 for controlling the of the 7th foot of the first constant current chip U1 and the first constant current chip U1 by its switching characteristic
Reference voltage between 6 feet and the electric current of LED.
Embodiment three:
A kind of lamp of LED filament without stroboscopic that the present embodiment proposes is to the lamp of LED filament without stroboscopic of embodiment one or embodiment two
Structure is further improved, and sees Fig. 1 and has the most also added the radiator structure that can effectively dispel the heat driving power supply 9,
Radiator structure is the heat dissipating layer 8 of one layer of heat dissipating substance formation of the surface outer wrapping driving power supply 9, is enclosed with driving of heat dissipating layer 8
Galvanic electricity source 9 is placed in the inner chamber of metallic lamp holder 1, and heat dissipating layer 8 is connected with the contact internal walls of metallic lamp holder 1, so that driving power supply 9
Heat passes to metallic lamp holder 1 by heat dissipating layer 8 derives, and heat dissipating substance is heat radiation mud or thermal paste, so drives the heat of power supply 9
Amount can be passed to metallic lamp holder 1 by heat-conducting glue or heat conduction mud and be distributed, and effectively prevent driving power supply 9 because of power consumption slightly
The problem causing greatly driving power supply 9 temperature to raise.Here, heat-conducting glue can be heat conduction embedding silicone rubber or heat conduction embedding epoxy
Glue；Heat conduction mud is the material or the heat-conducting silicone grease of paste being mixed by organosilicon material, heat filling and macromolecule silicone oil.
In each embodiment above-mentioned, metallic lamp holder 1 can be selected for E type such as E12, E14, E26, E27 etc., GU type 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 be multiple purple light or blue-light LED chip series connection or connection in series-parallel and coat glimmering on substrate
Optical cement is constituted, or the series connection of multiple LED lamp bead or connection in series-parallel are constituted together；Second constant current chip U2 also can be by model
BP5131S or the constant current chip that model is RM9003S substitute；3rd constant current chip U3 can be also BP5136 or type by model
Number it is that the constant current chip of RM9001E substitutes.
Claims (8)
1. without a stroboscopic LED filament lamp, including driving power supply and the LED illuminator of linear constant current type, it is characterised in that: described
Drive power supply by over-current protecting unit, rectification filtering unit, linear constant current unit, constant current filter unit and for by described
The output electric current of constant current filter unit is changed into the galvanic of no current ripple and goes stroboscopic unit to form, 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
Entering end to connect, the outfan of described rectification filtering unit is connected with the input of described linear constant current unit, described line
The property outfan of constant current unit is connected with the input of described constant current filter unit, the outfan of described constant current filter unit
Being connected with the described input removing stroboscopic unit, the described outfan removing stroboscopic unit is connected with described LED illuminator.
It is the most according to claim 1 a kind of without stroboscopic LED filament lamp, it is characterised in that: described goes stroboscopic unit for adopting
Remove stroboscopic circuit with discrete device, described use discrete device go stroboscopic circuit include N-MOS pipe, the first resistance, the
Two resistance, the 3rd resistance, the first electric capacity and Zener diode, the drain electrode of described N-MOS pipe and the one of the first described resistance
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 pipe divides
Not with the other end of the first described resistance, one end of the second described resistance, the negative terminal of described Zener diode and described
One end of the first electric capacity connect, the source electrode of described N-MOS pipe respectively with the other end of the second described resistance, described steady
One end of the pressure anode of diode, the other end of the first described electric capacity and the 3rd described resistance connects, and it is commonly connected
End is connected with the positive metal electrode of described LED illuminator, and the other end of the 3rd described resistance is filtered with described constant current respectively
The negative output terminal of ripple unit and the negative metal electrode of described LED illuminator connect.
It is the most according to claim 1 a kind of without stroboscopic LED filament lamp, it is characterised in that: described goes stroboscopic unit for adopting
Remove stroboscopic circuit with chip, described use chip go stroboscopic circuit to include the first constant current chip that model is YK3123,
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, the 1st foot of the first described constant current chip connects with one end of the 5th described resistance
Connect, the 2nd foot of the first described constant current chip respectively with one end of the 6th described resistance, one end of the 7th described resistance,
One end of one end of the 8th described resistance, one end of the 9th described resistance and the tenth described resistance connects, and described the
The other end ground connection of six resistance, the 3rd foot of the first described constant current chip is unsettled, and the 4th foot of the first described constant current chip divides
Not with the other end of the 5th described resistance, the other end of the 7th described resistance, the other end of the 8th described resistance, described
One end of the other end of the 9th resistance, the other end of the tenth described resistance and the 11st described resistance connect, and it is public
Connect end altogether to be connected with the negative metal electrode of described LED illuminator, the 5th foot of the first described constant current chip and described the
One end of four electric capacity connects, the other end ground connection of the 4th described electric capacity and being 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 the first described constant current chip is by the 3rd described capacity earth, the 8th foot of the first described constant current chip
One end with one end of the second described electric capacity and the 4th described resistance is connected respectively, another termination of the second described electric capacity
Ground, the other end of the 4th described resistance respectively with positive output end and the described LED illuminator of described constant current filter unit
Positive metal electrode connect.
4. according to the one described in Claims 2 or 3 without stroboscopic LED filament lamp, it is characterised in that: this is without stroboscopic LED filament lamp
Also including dimmer, being connected between the outfan of described rectification filtering unit with the input of described linear constant current unit has
The dimmer being connected with described dimmer maintains electric current to provide unit.
It is the most according to claim 4 a kind of without stroboscopic LED filament lamp, it is characterised in that: described over-current protecting unit bag
Vinculum is around fusing resistor, and described rectification filtering unit includes rectifier bridge, the 5th electric capacity, the 12nd resistance and the 13rd resistance,
The 5th described electric capacity, the 12nd described resistance and the 13rd described resistance constitute filter circuit, described dimmer dimension
Holding electric current provides unit to include the second constant current chip that model is SM2082, the 14th resistance, the 15th resistance, the 16th electricity
Resistance, the 17th resistance and the 18th resistance, described linear constant current unit include the 3rd constant current chip that model is SM2082 and
19th resistance, described constant current filter unit includes electrochemical capacitor and counnter attack diode；Described line is around the one of fusing resistor
The live wire with mains electricity is held to be connected, the described line other end around fusing resistor and an input of described rectifier bridge
Connecting, another input of described rectifier bridge is connected with the zero line of mains electricity, the positive output end of described rectifier bridge
Be connected with one end of the 5th described electric capacity, the other end of the 5th described electric capacity respectively with one end of the 12nd described resistance
Connect with one end of the 13rd described resistance, the negative output terminal ground connection of described rectifier bridge and respectively with the 12nd described electricity
The other end of resistance and the other end of the 13rd described resistance connect, the positive output end of described rectifier bridge and the described the 5th electricity
The public connecting end that the one end held connects respectively with one end of the 14th described resistance, one end of the 15th described resistance,
The anode of one end of the 16th described resistance, one end of the 19th described resistance and described counnter attack diode connects, institute
The other end of the other end of the 14th resistance stated, the other end of the 15th described resistance and the 16th described resistance is even
Connecing, 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, the 17th described resistance 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, described the 18th
The other end ground connection of resistance, the 2nd foot ground connection of the 3rd described constant current chip, the 3rd foot and institute of the 3rd described constant current chip
The negative terminal of the electrochemical capacitor stated connects, and 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, described the 4th foot of the 3rd constant current chip is 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 the most unsettled.
It is the most according to claim 1 a kind of without stroboscopic LED filament lamp, it is characterised in that: this also wraps without stroboscopic LED filament lamp
Including metallic lamp holder and the radiator structure that can effectively dispel the heat described driving power supply, described radiator structure is described
The heat dissipating layer driving one layer of heat dissipating substance of the surface outer wrapping of power supply to be 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 described heat dissipating layer is connected with the contact internal walls of described metallic lamp holder, with
Make the described heat driving power supply pass to described metallic lamp holder by described heat dissipating layer to derive.
It is the most according to claim 6 a kind of without stroboscopic LED filament lamp, it is characterised in that: described heat dissipating substance is heat radiation
Mud or thermal paste.
It is the most according to claim 3 a kind of without stroboscopic LED filament lamp, it is characterised in that: the first described constant current chip bag
Include voltage source circuit, OTP circuit, 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 of described OTP circuit connects, and the outfan of described OTP circuit 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
1st foot of chip connects, the outfan of described comparator respectively with the 7th foot and the described electricity of the first described constant current chip
The positive input terminal of throttle regulator connects, the negative input end of described rheonome respectively with the of the first described constant current chip
The source electrode of 2 feet and described NMOSFET pipe connects, the outfan of described rheonome respectively with the first described constant current core
5th foot of sheet and the grid of described NMOSFET pipe connect, the drain electrode of described NMOSFET pipe and the first described constant current core
4th foot of sheet connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610833427.9A CN106332361B (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 |
|---|---|---|---|
| CN201610833427.9A CN106332361B (en) | 2016-09-20 | 2016-09-20 | One kind is without stroboscopic LED filament lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106332361A true CN106332361A (en) | 2017-01-11 |
| CN106332361B CN106332361B (en) | 2017-10-03 |
Family
ID=57787469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610833427.9A Active CN106332361B (en) | 2016-09-20 | 2016-09-20 | One kind is without stroboscopic LED filament lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106332361B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107396495A (en) * | 2017-08-07 | 2017-11-24 | 深圳市明微电子股份有限公司 | A kind of constant current driving device and light fixture |
| CN108591849A (en) * | 2018-07-10 | 2018-09-28 | 横店集团得邦照明股份有限公司 | A kind of no stroboscopic DOB integral LEDs lamp and its implementation |
| CN108601131A (en) * | 2017-11-27 | 2018-09-28 | 浙江阳光美加照明有限公司 | TRIAC light modulator electric current holding circuits and use its linearity light adjusting driving circuit |
| CN108770116A (en) * | 2018-05-03 | 2018-11-06 | 新和（绍兴）绿色照明有限公司 | A kind of linear constant current LED filament lamp of twin voltage compatibility |
| CN109084196A (en) * | 2018-08-01 | 2018-12-25 | 浙江阳光美加照明有限公司 | A kind of small lamp cap LED filament lamp of wireless control |
| CN109587890A (en) * | 2018-12-29 | 2019-04-05 | 浙江阳光城市照明工程有限公司 | A kind of drive circuit of LED light |
| US10440785B2 (en) | 2017-11-27 | 2019-10-08 | Zhejiang Yankon Mega Lighting Co., Ltd. | Current holding circuit for bidirectional triode thyristor dimmer and linear dimming driving circuit using the same |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103987178A (en) * | 2014-05-28 | 2014-08-13 | 杭州士兰微电子股份有限公司 | LED driving method and circuit and output current ripple controller of LED driving circuit |
| CN205029930U (en) * | 2015-09-29 | 2016-02-10 | 宁波龙源照明电器有限公司 | Stroboscopic LED driver is removed to wide voltage high efficiency of 9 -48V scope |
| US20160186969A1 (en) * | 2013-06-09 | 2016-06-30 | Yijun Zhao | Led fluorescent lamp driving power source and led fluorescent lamp |
| CN205793482U (en) * | 2016-05-13 | 2016-12-07 | 浙江阳光美加照明有限公司 | A kind of zero-frequency dodges light modulation filament circuit for lamp |
| CN206077765U (en) * | 2016-09-20 | 2017-04-05 | 浙江阳光美加照明有限公司 | One kind is without stroboscopic LED filament lamp |
-
2016
- 2016-09-20 CN CN201610833427.9A patent/CN106332361B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160186969A1 (en) * | 2013-06-09 | 2016-06-30 | Yijun Zhao | Led fluorescent lamp driving power source and led fluorescent lamp |
| CN103987178A (en) * | 2014-05-28 | 2014-08-13 | 杭州士兰微电子股份有限公司 | LED driving method and circuit and output current ripple controller of LED driving circuit |
| CN205029930U (en) * | 2015-09-29 | 2016-02-10 | 宁波龙源照明电器有限公司 | Stroboscopic LED driver is removed to wide voltage high efficiency of 9 -48V scope |
| CN205793482U (en) * | 2016-05-13 | 2016-12-07 | 浙江阳光美加照明有限公司 | A kind of zero-frequency dodges light modulation filament circuit for lamp |
| CN206077765U (en) * | 2016-09-20 | 2017-04-05 | 浙江阳光美加照明有限公司 | One kind is without stroboscopic LED filament lamp |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107396495A (en) * | 2017-08-07 | 2017-11-24 | 深圳市明微电子股份有限公司 | A kind of constant current driving device and light fixture |
| CN107396495B (en) * | 2017-08-07 | 2023-04-25 | 深圳市明微电子股份有限公司 | Constant-current driving device and lamp |
| CN108601131A (en) * | 2017-11-27 | 2018-09-28 | 浙江阳光美加照明有限公司 | TRIAC light modulator electric current holding circuits and use its linearity light adjusting driving circuit |
| US10440785B2 (en) | 2017-11-27 | 2019-10-08 | Zhejiang Yankon Mega Lighting Co., Ltd. | Current holding circuit for bidirectional triode thyristor dimmer and linear dimming driving circuit using the same |
| CN108601131B (en) * | 2017-11-27 | 2023-11-10 | 浙江阳光美加照明有限公司 | TRIAC dimmer current maintaining circuit and linear dimming driving circuit using same |
| CN108770116A (en) * | 2018-05-03 | 2018-11-06 | 新和（绍兴）绿色照明有限公司 | A kind of linear constant current LED filament lamp of twin voltage compatibility |
| CN108591849A (en) * | 2018-07-10 | 2018-09-28 | 横店集团得邦照明股份有限公司 | A kind of no stroboscopic DOB integral LEDs lamp and its implementation |
| CN108591849B (en) * | 2018-07-10 | 2024-03-05 | 横店集团得邦照明股份有限公司 | Stroboflash-free DOB integrated LED lamp and implementation method thereof |
| CN109084196A (en) * | 2018-08-01 | 2018-12-25 | 浙江阳光美加照明有限公司 | A kind of small lamp cap LED filament lamp of wireless control |
| CN109587890A (en) * | 2018-12-29 | 2019-04-05 | 浙江阳光城市照明工程有限公司 | A kind of drive circuit of LED light |
| CN109587890B (en) * | 2018-12-29 | 2024-03-05 | 浙江阳光城市照明工程有限公司 | Driver circuit of LED lamp |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106332361B (en) | 2017-10-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106332361B (en) | One kind is without stroboscopic LED filament lamp | |
| CN106131994B (en) | A kind of LEDbulb lamp circuit of Linear temperature control protection | |
| JP2014509456A (en) | LED driving device and control method thereof | |
| CN104918387B (en) | A kind of LED light device of exchange driving | |
| CN101925232A (en) | LED street lamp constant current control power supply | |
| CN205793482U (en) | A kind of zero-frequency dodges light modulation filament circuit for lamp | |
| CN105323913B (en) | Lamp device, lighting device and luminaire | |
| CN206077765U (en) | One kind is without stroboscopic LED filament lamp | |
| CN106937451B (en) | The LED drive circuit of compatible silicon controlled light modulator | |
| CN205793538U (en) | A kind of LEDbulb lamp circuit of Linear temperature control protection | |
| WO2012028088A1 (en) | Method and apparatus for led lighting | |
| CN105873304B (en) | It is a kind of to exchange the intelligent dimming LED energy-conserving road lamps directly driven | |
| CN107660019A (en) | Light source and light emitting module | |
| CN201904959U (en) | LED drive circuit with long service life | |
| CN203675368U (en) | All-chip integrated AC LED light source | |
| CN205987456U (en) | High power factor hangs down stroboscopic LED ceiling lamp | |
| CN105828490B (en) | A kind of LED energy-saving traffic signal lamps with an automatic light meter | |
| CN208337933U (en) | A kind of Novel LED light driving circuit structure | |
| CN201561307U (en) | LED lighting lamp | |
| CN102438366A (en) | Zero-driver illuminating light source light-emitting diode (LED) module | |
| CN205454161U (en) | LED (Light -Emitting diode) light engine | |
| CN204180354U (en) | Led module | |
| CN207184869U (en) | A kind of LED constant-current driving power supply | |
| CN202143244U (en) | LED light source radiationless drive circuit | |
| CN202261988U (en) | PTC constant-current non-driven LED lighting source based on full-bridge structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |