CN106332361B - One kind is without stroboscopic LED filament lamp - Google Patents
One kind is without stroboscopic LED filament lamp Download PDFInfo
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- CN106332361B CN106332361B CN201610833427.9A CN201610833427A CN106332361B CN 106332361 B CN106332361 B CN 106332361B CN 201610833427 A CN201610833427 A CN 201610833427A CN 106332361 B CN106332361 B CN 106332361B
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- 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]
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention discloses one kind without stroboscopic LED filament lamp, it 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 the output current of constant current filter unit is changed into no current ripple direct current go stroboscopic unit constitute, the input access mains electricity of over-current protecting unit, the output end of over-current protecting unit and the input of rectification filtering unit are connected, the output end of rectification filtering unit is connected with the input of linear constant current unit, the output end of linear constant current unit is connected with the input of constant current filter unit, the output end of constant current filter unit is with going the input of stroboscopic unit to be connected, the output end of stroboscopic unit is gone to be connected with LED illuminator；Advantage is due to that introducing goes the further constant current of stroboscopic unit to eliminate current ripple, 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
The present invention relates to a kind of LED filament lamp, more particularly, to one kind without stroboscopic LED filament lamp.
Background technology
LED filament is many ultraviolet or blue-light LED chip that is bonded and connects 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 operating voltage of LED filament is general 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, the oral area connection of metallic lamp holder and 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 direct current that ultraviolet or blue-light LED chip works.LED
The driving power supply that filament lamp is used mainly has three kinds：(1) resistance-capacitance depressurization type；(2) linear constant current type；(3) type switching power.Its
In, the composition component of the driving power supply of resistance-capacitance depressurization type is few, simple in construction, small volume, but can cause LED filament stroboscopic compared with
To be serious, it is unfavorable for health；Although the driving power supply of type switching power is without stroboscopic problem, composition component is more, knot
Structure is complicated, and volume is big, it is difficult in the inner chamber for being contained in tiny metallic lamp holder；The composition member 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 not 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 raise temperature, but existing radiator structure is complicated.
The content of the invention
The technical problems to be solved by the invention are to provide one kind without stroboscopic LED filament lamp, its linear constant current type used
Driving power supply make LED filament without stroboscopic.
The present invention solve the technical scheme that is used of above-mentioned technical problem for：It is a kind of without stroboscopic LED filament lamp, it is including linear
The driving power supply and LED illuminator of constant-current type, 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 current of described constant current filter unit to be changed into no electricity
The direct current for flowing ripple goes stroboscopic unit to constitute, and the input access mains electricity of described over-current protecting unit is described
The output end of over-current protecting unit be connected with the input of described rectification filtering unit, described rectification filtering unit it is defeated
Go out end to be connected with the input of described linear constant current unit, the output end of described linear constant current unit is filtered with described constant current
The input connection of ripple unit, the output end of described constant current filter unit is connected with the described input for removing stroboscopic unit,
The described output end 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 use discrete device removes stroboscopic
Circuit includes N-MOS pipes, first resistor, second resistance, 3rd resistor, the first electric capacity and voltage-regulator 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 grids 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 for the voltage-regulator diode stated and the first described electric capacity, the source electrodes of described N-MOS pipes respectively with it is described
Second resistance the other end, the anode of described voltage-regulator diode, the other end and the described the 3rd of the first described electric capacity
One end of resistance is connected, and its public connecting end is connected with the positive metal electrode of described LED illuminator, described 3rd resistor
Negative metal electrode of the other end respectively with the negative output terminal of described constant current filter unit and described LED illuminator be connected.
Here, voltage-regulator 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 is constant-current characteristics, so that going stroboscopic unit to be supplied to the load current of LED illuminator to be free of current ripple, finally make
It is not in stroboscopic phenomenon to obtain LED illuminator luminous.
Described to go stroboscopic unit to be to remove stroboscopic circuit using chip, described use chip goes stroboscopic circuit to include
First constant current chip, the 4th resistance, the 5th resistance, the 6th resistance, the 7th resistance, the 8th resistance, the 9th resistance, the tenth resistance,
11st resistance, the second electric capacity, the 3rd electric capacity and the 4th electric capacity, the 1st pin and the described the 5th of described the first constant current chip
One end connection of resistance, the 2nd pin of described the first constant current chip one end respectively with the 6th described resistance, the described the 7th
One end of resistance, one end of the 8th described resistance, one end of one end of the 9th described resistance and the tenth described resistance connect
Connect, the other end ground connection of described the 6th resistance, the first hanging, described constant current core of the 3rd pin of the first described constant current chip
4th pin of the piece other end respectively with the 5th described resistance, the other end of the 7th described resistance, described the 8th resistance
The other end, the other end of the 9th described resistance, one end of the other end of the tenth described resistance and the 11st described resistance
Connection, and its public connecting end is connected with the negative metal electrode of described LED illuminator, the 5th of described the first constant current chip the
Pin is connected with one end of the 4th described electric capacity, the other end ground connection of described the 4th electric capacity and with the 11st described resistance
The other end is connected, and its public connecting end is connected with the negative output terminal of described constant current filter unit, the first described constant current core
The 6th pin ground connection of piece, the 7th pin of the first described constant current chip passes through the 3rd described capacity earth, the first described constant current
The one end of 8th pin of chip respectively with one end of the second described electric capacity and the 4th described resistance is connected, the second described electricity
The other end ground connection of appearance, the other end of described the 4th resistance respectively with the positive output end of described constant current filter unit and described
LED illuminator positive metal electrode connection.Here, the first constant current chip is in the case of linear constant current unit output constant current,
Effect with further constant current, exports the direct current of no current ripple so that luminous LED illuminator is not in that stroboscopic shows
As；The 1st pin to the 8th pin of first constant current chip is respectively VLMT (LED voltage sensing input pin), VS (LED current sensing inputs
Pin), NC (connectionless pin), LED- (LED luminescence component negative poles connecting pin), VG (metal-oxide-semiconductor grid connecting pin), GND (grounding connections
Pin), VC (LED circuit ripple program connecting pin), VIN (power supply supply connecting pin).
This also includes light modulator without stroboscopic LED filament lamp, the output end of described rectification filtering unit with it is described linear
The light modulator being connected with described light modulator is connected between the input of constant current unit maintains electric current to provide unit.Here, logical
Cross setting light modulator and light modulator maintains electric current to provide unit, may be such that this has dimming function without stroboscopic LED filament light fixture, and adjust
Optical range is big.
Described over-current protecting unit includes line around fusing resistor, and 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
Filter circuit is constituted, described light modulator, which maintains electric current to provide unit, includes model SM2082 the second constant current chip, 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 the 3rd constant current chip and the 19th resistance that are SM2082, described constant current filter unit include electrochemical capacitor and the pole of counnter attack two
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 connects with the electric zero line of mains
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
One end not with one end of the 12nd described resistance and the 13rd described resistance is connected, the negative output terminal of described rectifier bridge
The ground connection and other end with the other end of the 12nd described resistance and the 13rd described resistance is connected 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 for the 16th resistance stated is connected, and its public connecting end is connected with the 3rd pin of the second described constant current chip, described
The second constant current chip the 2nd pin ground connection, one end of the 1st pin of described the second constant current chip and the 17th described resistance connects
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 pin is connected, the other end ground connection of described the 18th resistance, the 2nd pin ground connection of described the 3rd constant current chip, and described the
3rd pin 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 its is public
Connection end is the positive output end of described constant current filter unit, the 4th pin and the described the 19th of described the 3rd constant current chip
Remaining pin of the other end connection of resistance, described the second 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 is used to mains electricity being converted to direct current,
Rectifier bridge is made up of four commutation diodes；Filter circuit is used to maintain electric current to provide the triggering that unit provides unlatching to light modulator
Voltage, also provides the maintenance electric current of fraction；Rectification filtering unit can direct current of the rear class unit offer by 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 detecting and setting LED illuminator；Light modulator
Maintain electric current to provide unit and provide dim signal electric current for rear class unit；19th resistance is used to detect input voltage, to linear
Constant current unit provides offset voltage, output current during voltage pulsation is kept constant；Linear constant current unit provides 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 direct current of no-voltage ripple；Electrochemical capacitor has the work(of filtering alternating voltage ripple
Can, electrochemical capacitor uses alminium electrolytic condenser, and counnter attack diode is used to prevent electric current backflow；Stroboscopic unit is gone to be carried for LED illuminator
For the direct current of no current ripple.
This also includes metallic lamp holder and dissipating for can effectively being radiated to described driving power supply without stroboscopic LED filament lamp
Heat structure, the heat dissipating layer that described radiator structure is formed for one layer of heat dissipating substance of the surface outer wrapping of described driving power supply,
It is enclosed with the described driving power supply of described heat dissipating layer to be placed in the inner chamber of described metallic lamp holder, described heat dissipating layer and institute
The inwall contact connection for the metallic lamp holder stated so that the heat of described driving power supply passed to by described heat dissipating layer it is described
Metallic lamp holder export.Here, the heat of driving power supply can be passed to metallic lamp holder and be distributed by heat-conducting layer, effectively
Driving power supply is prevented to cause the problem of driving power supply temperature is raised because power consumption is slightly larger.
Described heat dissipating substance is radiating mud or thermal paste.
The first described constant current chip includes voltage source circuit, OTP circuits, reference signal generator, comparator, electric current and adjusted
Device and NMOSFET pipes are saved, the input of described voltage source circuit is connected with the 8th pin of the first described constant current chip, described
First output end of voltage source circuit be connected with the input of described OTP circuits, the output end of described OTP circuits with
Described current regulator connection, second output end of described voltage source circuit is defeated with described reference signal generator
Enter end connection, the output end 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 pin of the first described constant current chip, the output end of described comparator respectively with it is described
The positive input terminal connection of 7th pin of the first constant current chip and described current regulator, the negative input of described current regulator
Source electrode of the end respectively with the 2nd pin of the first described constant current chip and described NMOSFET pipes is connected, described current regulator
Grid of the output end respectively with the 5th pin of the first described constant current chip and described NMOSFET pipes be connected, it is described
The drain electrode of NMOSFET pipes is connected with the 4th pin of the first described constant current chip.
Compared with prior art, the advantage of the invention is that：
1) it is of the invention to be changed mains electricity using rectification filtering unit without the driving power supply in stroboscopic LED filament lamp
Into direct current, and the exchange clutter in direct current is tentatively filtered out, export Constant Direct Current using linear constant current unit, filtered by constant current
Ripple unit carries out voltage filter to eliminate ripple voltage, using the further constant current of stroboscopic unit is gone to eliminate current ripple, finally
The constant dc supply LED illuminator of no clutter is obtained, goes the further constant current of stroboscopic unit to eliminate current wave due to introducing
Line, constant current accuracy is high, hence in so that the LED high-voltage filament light-emitting in LED illuminator is not in stroboscopic phenomenon.
2) circuit structure without the driving power supply in stroboscopic LED filament lamp of the invention is simple, and small volume can be contained in
In the inner chamber of metallic lamp holder.
Brief description of the drawings
Fig. 1 is the cross section structure diagram without stroboscopic LED filament lamp of 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
Member, light modulator maintain the physical circuit figure of electric current offer unit, linear constant current unit and constant current filter unit；
Fig. 3 is embodiment one without the physical circuit figure for removing stroboscopic unit in the driving power supply in stroboscopic LED filament lamp；
Fig. 4 is embodiment two without the physical circuit figure for removing stroboscopic unit in the driving power supply in stroboscopic LED filament lamp；
Fig. 5 is embodiment two without the first constant current gone in stroboscopic unit in the driving power supply in stroboscopic LED filament lamp
The inside schematic diagram of chip.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing embodiment.
Embodiment one：
It is a kind of without stroboscopic LED filament lamp that the present embodiment is proposed, 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 for the linear constant current type being arranged in the inner chamber of metallic lamp holder 1, stem 3, LED illuminator 4, tune
Light device (not shown), the top of stem 3 is provided with support 5, and LED illuminator 4 is installed on support 5, is mounted with LED and lights
The stem 3 of body 4 is placed in glass cell-shell 2, and constitutes the dry sky of filling in closed cavity 6, closed cavity 6 with glass cell-shell 2
Gas, inert gas (such as nitrogen, argon gas) or heat-conducting gas (such as helium, hydrogen) etc., LED illuminator 4 passes through on 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
The light modulator that dynamic power supply 9 is connected by over-current protecting unit 91, rectification filtering unit 92, with light modulator maintains electric current to provide unit
93rd, linear constant current unit 94, constant current filter unit 95 and for the output current of constant current filter unit 95 to be changed into no current
The direct current of ripple goes stroboscopic unit 96 to constitute, the input access mains electricity of over-current protecting unit 91, overcurrent protection
The output end of unit 91 is connected with the input of rectification filtering unit 92, and output end and the light modulator of rectification filtering unit 92 are maintained
Electric current provides the input connection of unit 93, and light modulator maintains the output end and linear constant current unit 94 of electric current offer unit 93
Input is connected, and the output end of linear constant current unit 94 is connected with the input of constant current filter unit 95, constant current filter unit 95
Output end with going the input of stroboscopic unit 96 to be connected, go the output end of stroboscopic unit 96 to be connected with LED illuminator 4.Civil power
Mains electricity is converted into direct current by alternating current after over-current protecting unit 91 and rectification filtering unit 92, and is tentatively filtered out
Exchange clutter in direct current, direct current maintains electric current to provide the regulation of unit 93 output current and is supplied to linear perseverance by light modulator
Unit 94 is flowed, the output Constant Direct Current of linear constant current unit 94 carries out voltage filter by constant current filter unit 95, eliminates voltage wave
Line, then through the further constant current of past stroboscopic unit 96, eliminates current ripple, and the constant dc for finally obtaining no clutter is provided
To LED illuminator 4, the LED high-voltage filament light-emitting in LED illuminator 4, no stroboscopic phenomenon.
In this particular embodiment, it is to remove stroboscopic circuit using discrete device to remove stroboscopic unit 96, using discrete device
Go stroboscopic circuit include N-MOS pipes Q1, first resistor R1, second resistance R2,3rd resistor R3, the first electric capacity C1 and voltage stabilizing two
Pole pipe ZD1, N-MOS pipe Q1 drain electrode is connected with first resistor R1 one end, and its public connecting end and constant current filter unit 95
Positive output end connection, the N-MOS pipes Q1 grid other end respectively with first resistor R1, second resistance R2 one end, voltage stabilizing
Diode ZD1 negative terminal and the first electric capacity C1 one end connection, N-MOS pipes Q1 source electrode are another with second resistance R2 respectively
End, voltage-regulator diode ZD1 anode, the first electric capacity C1 other end and 3rd resistor R3 one end connection, and its is commonly connected
End is connected with the positive metal electrode of LED illuminator 4, the negative output of the 3rd resistor R3 other end respectively with constant current filter unit 95
The negative metal electrode of end and LED illuminator 4 is connected.Here, voltage-regulator diode ZD1 and the first electric capacity C1 cause N-MOS pipes Q1's
Grid and source electrode can keep constant voltage, and such N-MOS pipes Q1 just has constant-current characteristics, so that going stroboscopic unit 96 to carry
The load current for supplying LED illuminator 4 is free of 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 light modulator, which maintains electric current to provide unit 93, includes model SM2082 the second constant current core
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 model SM2082 the 3rd constant current chip U3 and the 19th resistance R19, constant current filter unit 95
Including electrochemical capacitor CD and counnter attack diode D1；Line is connected around the live wire L of fusing resistor F1 one end and mains electricity, line around
The fusing resistor F1 other end is connected with a rectifier bridge BD input, rectifier bridge BD another input and mains
The zero line N connections of electricity, rectifier bridge BD positive output end is connected with the 5th electric capacity C5 one end, the 5th electric capacity C5 other end difference
Be connected with the 12nd resistance R12 one end and the 13rd resistance R13 one end, rectifier bridge BD negative output terminal ground connection and respectively with
The other end connection of 12nd resistance the R12 other end and the 13rd resistance R13, rectifier bridge BD positive output end and the 5th electric capacity
C5 one end connection public connecting end respectively with the 14th resistance R14 one end, the 15th resistance R15 one end, the 16th
The anode connection of resistance R16 one end, the 19th resistance R19 one end and counnter attack diode D1, the 14th resistance R14's is another
The other end connection at end, the 15th resistance R15 other end and the 16th resistance R16, and its public connecting end and the second constant current
Chip U2 the 3rd pin connection, the second constant current chip U2 the 2nd pin ground connection, the second constant current chip U2 the 1st pin and the 17th resistance
R17 one end connection, the 17th resistance R17 other end one end respectively with the 18th resistance R18 and the 3rd constant current chip U3
The 1st pin connection, the 18th resistance R18 the other end ground connection, the 3rd constant current chip U3 the 2nd pin ground connection, the 3rd constant current chip
U3 the 3rd pin is connected with electrochemical capacitor CD negative terminal, and electrochemical capacitor CD negative terminal is the negative output terminal of constant current filter unit 95, electricity
Solution electric capacity CD anode is connected with counnter attack diode D1 negative terminal, and its public connecting end is the positive output of constant current filter unit 95
End, the 3rd constant current chip U3 the 4th pin is connected with the 19th resistance R19 other end, the second constant current chip U2 and the 3rd constant current
Chip U3 remaining pin is hanging.Here, line is used to protect back end of line from heavy current impact around fusing resistor F1；Rectifier bridge
BD is used to mains electricity being converted to direct current, and rectifier bridge BD is made up of 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 can direct current of the rear class unit offer by primary filtering；14th resistance R14, the 15th resistance R15 and the 16th resistance
R16 is mainly used in sharing the second constant current chip U2 partial heat, and the 17th resistance R17 and the 18th resistance R18 are used to limit
The size of electric current is maintained, the 18th resistance R18 is used to detecting and setting LED illuminator 4；Light modulator 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, is carried to linear constant current unit 94
For offset voltage, output current during voltage pulsation is set to keep 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 direct current of no-voltage ripple；Electrochemical capacitor CD has the function of filtering alternating voltage ripple,
Electrochemical capacitor CD uses alminium electrolytic condenser, and counnter attack diode D1 is used to prevent electric current backflow；It is LED illuminator to remove stroboscopic unit 96
4 provide the direct current of no current ripple.
Embodiment two：
A kind of other knots without stroboscopic LED filament lamp without stroboscopic LED filament lamp Yu embodiment one that the present embodiment is proposed
Structure all same, the difference is that only：It is to remove stroboscopic circuit using chip to remove stroboscopic unit 96, as shown in figure 4, using chip
Go stroboscopic circuit to include the first constant current chip U1, the 4th resistance R4, the 5th resistance R5, the 6th resistance R6, the 7th resistance R7, the
Eight 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 first constant current chip U1 the 1st pin is connected with the 5th resistance R5 one end, and the first constant current chip U1 the 2nd pin is respectively with
Six resistance R6 one end, the 7th resistance R7 one end, the 8th resistance R8 one end, the 9th resistance R9 one end and the tenth resistance
R10 one end connection, the 6th resistance R6 other end ground connection, the first constant current chip U1 the 3rd pin is hanging, the first constant current chip U1
The 4th pin respectively with the 5th resistance R5 other end, the 7th resistance R7 other end, the 8th resistance R8 other end, the 9th electricity
Hinder one end connection of the R9 other end, the tenth resistance R10 other end and the 11st resistance R11, and its public connecting end and LED
The negative metal electrode connection of illuminator 4, the first constant current chip U1 the 5th pin is connected with the 4th electric capacity C4 one end, the 4th electric capacity
The C4 other end is grounded and is connected with the 11st resistance R11 other end, and its public connecting end and constant current filter unit 95
Negative output terminal is connected, and the first constant current chip U1 the 6th pin ground connection, the first constant current chip U1 the 7th pin is connect by the 3rd electric capacity C3
Ground, the first constant current chip U1 the 8th pin is connected with the second electric capacity C2 one end and the 4th resistance R4 one end respectively, the second electric capacity
C2 other end ground connection, the 4th resistance R4 other end respectively with the positive output end of constant current filter unit 95 and LED illuminator 4
Positive metal electrode connection.Here, the first constant current chip U1 is in the case of the linear output constant current of constant current unit 94, with further
The effect of constant current, exports the direct current of no current ripple so that it is not in stroboscopic phenomenon that LED illuminator 4 is luminous；First constant current
The 1st pin to the 8th pin of chip is respectively VLMT (LED voltage sensing input pin), VS (LED current sensing input pin), NC (no companies
Pin), LED- (LED luminescence component negative poles connecting pin), VG (metal-oxide-semiconductor grid connecting pin), GND (grounding connection pin), VC (LED
Circuit ripple program connecting pin), VIN (power supply supply connecting pin), the first constant current chip U1 is as shown in figure 5, it includes voltage source
Circuit 961, OTP circuits (Over Temperature P；Rotection Circuit) 962, reference signal generator 963, ratio
Compared with device 964, current regulator 965 and NMOSFET pipes 966, the of the input of voltage source circuit 961 and the first constant current chip U1
8 pin are connected, and first output end of voltage source circuit 961 is connected with the input of OTP circuits 962, the output of OTP circuits 962
End is connected with current regulator 965, second output end of voltage source circuit 961 and the input of reference signal generator 963
Connection, the output end of reference signal generator 963 is connected with the negative input end of comparator 964, the positive input terminal of comparator 964 and
First constant current chip U1 the 1st pin connection, the 7th pin and electric current of the output end of comparator 964 respectively with the first constant current chip U1
The positive input terminal connection of adjuster 965, the negative input end of current regulator 965 respectively with the first constant current chip U1 the 2nd pin and
The source electrode connection of NMOSFET pipes 966, the output end of current regulator 965 respectively with the first constant current chip U1 the 5th pin and
The grid connection of NMOSFET pipes 966, the drain electrode of NMOSFET pipes 966 is connected with the first constant current chip U1 the 4th pin.Here, electric
Source circuit 961 is used to receive the voltage of external circuitry and produces reference voltage；OTP circuits 962 have the first constant current core of protection
Piece U1 function, when the first constant current chip U1 temperature is more than 145 degrees Celsius, OTP circuits 962 start, the first constant current chip
U1 is closed near 120 degrees Celsius until temperature；Reference signal generator 963 is used to produce certain waveform and the voltage of working frequency
And current signal；Comparator 964 is used to be compared reference voltage and LED voltage, so as to adjust LED voltage；Electric current
The resistance value that adjuster 965 is used to adjust between the first constant current chip U1 the 2nd pin and the first constant current chip U1 the 6th pin makes it
Voltage is equal to the reference voltage between the first constant current chip U1 the 7th pin and the first constant current chip U1 the 6th pin；NMOSFET is managed
966 are used to control by its switching characteristic between the first constant current chip U1 the 7th pin and the first constant current chip U1 the 6th pin
The electric current of reference voltage and LED.
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 the radiating knot that can be effectively radiated to driving power supply 9 has also been added referring to Fig. 1
Structure, radiator structure is the heat dissipating layer 8 of one layer of heat dissipating substance formation of the surface outer wrapping of driving power supply 9, is 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 contacts connection with the inwall of metallic lamp holder 1, so that driving power supply 9
Heat metallic lamp holder 1 passed to by heat dissipating layer 8 exported, 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 problem of temperature of driving power supply 9 is raised.Here, heat-conducting glue can be heat conduction embedding silicon rubber or heat conduction embedding epoxy
Glue；Heat conduction mud is the heat-conducting silicone grease for the material or paste being mixed by organosilicon material, heat filling and macromolecule silicone oil.
In each above-mentioned 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 coated 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
BP5131S or model RM9003S constant current chip are substituted；3rd constant current chip U3 also can be by model BP5136 or type
Number for RM9001E constant current chip substitute.
Claims (10)
1. a kind of driving power supply and LED illuminator without stroboscopic LED filament lamp, including 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 be changed into the direct current of no current ripple go stroboscopic unit constitute, described overcurrent protection
The input access mains electricity of unit, the output end of described over-current protecting unit is defeated with described rectification filtering unit
Enter end connection, the output end of described rectification filtering unit is connected with the input of described linear constant current unit, described line
The output end of property constant current unit is connected with the input of described constant current filter unit, the output end of described constant current filter unit
It is connected with the described input for removing stroboscopic unit, the described output end 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 use discrete device removes stroboscopic circuit
Including N-MOS pipes, first resistor, second resistance, 3rd resistor, the first electric capacity and voltage-regulator diode, the leakage of described N-MOS pipes
Pole is connected with one end of described first resistor, and the positive output end of its public connecting end and described constant current filter unit connects
Connect, it is the grids of the described N-MOS pipes other end respectively with described first resistor, one end of described second resistance, described
Voltage-regulator diode negative terminal and described the first electric capacity one end connection, the source electrodes of described N-MOS pipes respectively with it is described
The other end of second resistance, the anode of described voltage-regulator diode, the other end of the first described electric capacity and the 3rd described electricity
One end connection of resistance, and its public connecting end is connected with the positive metal electrode of described LED illuminator, described 3rd resistor
Negative metal electrode of the other end respectively with the negative output terminal of described constant current filter unit and described LED illuminator is connected.
2. 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 light modulator, be connected with and institute between the input of the output end of described rectification filtering unit and described linear constant current unit
The light modulator for the light modulator connection stated maintains electric current to provide unit.
3. one kind according to claim 2 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 constitutes filter circuit, described light modulator dimension
Hold electric current and the second constant current chip, the 14th resistance, the 15th resistance, the 16th electricity that unit includes model SM2082 are provided
Resistance, the 17th resistance and the 18th resistance, described linear constant current unit include model SM2082 the 3rd constant current chip and
19th resistance, described constant current filter unit includes electrochemical capacitor and counnter attack diode；Described line around fusing resistor one
End is connected with the live wire of mains electricity, and described line is around the other end of fusing resistor and an input of described rectifier bridge
Connection, the zero line that another input of described rectifier bridge is electric with mains is connected, the positive output end of described rectifier bridge
It is connected with one end of the 5th described electric capacity, the one end of the other end of described the 5th electric capacity respectively with the 12nd described resistance
Connected with one end of the 13rd described resistance, the negative output terminal of described rectifier bridge is grounded and electric with the described the 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 and the 5th described electricity
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 of the 16th described resistance, one end of the 19th described resistance and described counnter attack diode, institute
The other end of the other end for the 14th resistance stated, the other end of the 15th described resistance and the 16th described resistance connects
Connect, and its public connecting end is connected with the 3rd pin of the second described constant current chip, the 2nd pin of the second described constant current chip connects
Ground, the 1st pin of the second described constant current chip is connected with one end of the 17th described resistance, described the 17th resistance it is another
1st pin of the one end respectively with one end of the 18th described resistance and the 3rd described constant current chip is connected, and the described the 18th
The other end ground connection of resistance, the 2nd pin ground connection of described the 3rd constant current chip, the 3rd pin of described the 3rd constant current chip and institute
The negative terminal connection for 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 for the electrochemical capacitor stated is connected with the negative terminal of described counnter attack diode, and its public connecting end filters for described constant current
The positive output end of unit, the 4th pin of the 3rd described constant current chip is connected with the other end of the 19th described resistance, described
Remaining pin of second constant current chip and the 3rd described constant current chip is hanging.
4. 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
Metallic lamp holder and the radiator structure that can be effectively radiated to described driving power supply are included, described radiator structure is described
The heat dissipating layer of one layer of heat dissipating substance formation of the surface outer wrapping of driving power supply, 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 contacts connection with the inwall of described metallic lamp holder, with
Make the heat of described driving power supply pass to described metallic lamp holder by described heat dissipating layer to export.
5. one kind according to claim 4 is without stroboscopic LED filament lamp, it is characterised in that：Described heat dissipating substance is radiating
Mud or thermal paste.
6. a kind of driving power supply and LED illuminator without stroboscopic LED filament lamp, including 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 be changed into the direct current of no current ripple go stroboscopic unit constitute, described overcurrent protection
The input access mains electricity of unit, the output end of described over-current protecting unit is defeated with described rectification filtering unit
Enter end connection, the output end of described rectification filtering unit is connected with the input of described linear constant current unit, described line
The output end of property constant current unit is connected with the input of described constant current filter unit, the output end of described constant current filter unit
It is connected with the described input for removing stroboscopic unit, the described output end for removing stroboscopic unit is connected with described LED illuminator；
Described to go stroboscopic unit to be to remove stroboscopic circuit using chip, described use chip goes stroboscopic circuit to include first
Constant current chip, the 4th resistance, the 5th resistance, the 6th resistance, the 7th resistance, the 8th resistance, the 9th resistance, the tenth resistance, the tenth
One resistance, the second electric capacity, the 3rd electric capacity and the 4th electric capacity, the 1st pin of described the first constant current chip and the 5th described resistance
One end connection, the 2nd pin of described the first constant current chip one end respectively with the 6th described resistance, the 7th described resistance
One end, one end of described 8th resistance, one end connection of one end of the 9th described resistance and the tenth described resistance, institute
The other end ground connection for the 6th resistance stated, the 3rd pin of described the first constant current chip is hanging, and the of described the first constant current chip
The 4 pin other end respectively with the 5th described resistance, the other end of the 7th described resistance, the 8th described resistance it is another
End, the other end of described 9th resistance, one end connection of the other end of the tenth described resistance and the 11st described resistance,
And its public connecting end is connected with the negative metal electrode of described LED illuminator, the 5th pin of described the first constant current chip and institute
One end connection for the 4th electric capacity stated, the other end ground connection of described the 4th electric capacity and with the other end of the 11st described resistance
Connection, and its public connecting end is connected with the negative output terminal of described constant current filter unit, the 6th of described the first constant current chip the
Pin is grounded, and the 7th pin of described the first constant current chip is by the 3rd described capacity earth, and the of described the first constant current chip
The one end of 8 pin respectively with one end of the second described electric capacity and the 4th described resistance is connected, described the second electric capacity it is another
End ground connection, the other end of described the 4th resistance is sent out with the positive output end of described constant current filter unit and described LED respectively
The positive metal electrode connection of body of light；
The first described constant current chip includes voltage source circuit, OTP circuits, reference signal generator, comparator, current regulator
With NMOSFET pipes, the input of described voltage source circuit is connected with the 8th pin of the first described constant current chip, described electricity
First output end of source circuit is connected with the input of described OTP circuits, the output end of described OTP circuits with it is described
Current regulator connection, second output end of described voltage source circuit and the input of described reference signal generator
Connection, the output end of described reference signal generator is connected with the negative input end of described comparator, described comparator
Positive input terminal is connected with the 1st pin of the first described constant current chip, and the output end of described comparator is respectively with described first
The positive input terminal connection of the 7th pin and described current regulator of constant current chip, the negative input end of described current regulator divides
Source electrode not with the 2nd pin of the first described constant current chip and described NMOSFET pipes is connected, described current regulator it is defeated
Go out grid of the end respectively with the 5th pin of the first described constant current chip and described NMOSFET pipes to be connected, described NMOSFET
The drain electrode of pipe is connected with the 4th pin of the first described constant current chip.
7. one kind according to claim 6 is without stroboscopic LED filament lamp, it is characterised in that：This is also wrapped without stroboscopic LED filament lamp
Include light modulator, be connected with and institute between the input of the output end of described rectification filtering unit and described linear constant current unit
The light modulator for the light modulator connection stated maintains electric current to provide unit.
8. one kind according to claim 7 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 constitutes filter circuit, described light modulator dimension
Hold electric current and the second constant current chip, the 14th resistance, the 15th resistance, the 16th electricity that unit includes model SM2082 are provided
Resistance, the 17th resistance and the 18th resistance, described linear constant current unit include model SM2082 the 3rd constant current chip and
19th resistance, described constant current filter unit includes electrochemical capacitor and counnter attack diode；Described line around fusing resistor one
End is connected with the live wire of mains electricity, and described line is around the other end of fusing resistor and an input of described rectifier bridge
Connection, the zero line that another input of described rectifier bridge is electric with mains is connected, the positive output end of described rectifier bridge
It is connected with one end of the 5th described electric capacity, the one end of the other end of described the 5th electric capacity respectively with the 12nd described resistance
Connected with one end of the 13rd described resistance, the negative output terminal of described rectifier bridge is grounded and electric with the described the 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 and the 5th described electricity
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 of the 16th described resistance, one end of the 19th described resistance and described counnter attack diode, institute
The other end of the other end for the 14th resistance stated, the other end of the 15th described resistance and the 16th described resistance connects
Connect, and its public connecting end is connected with the 3rd pin of the second described constant current chip, the 2nd pin of the second described constant current chip connects
Ground, the 1st pin of the second described constant current chip is connected with one end of the 17th described resistance, described the 17th resistance it is another
1st pin of the one end respectively with one end of the 18th described resistance and the 3rd described constant current chip is connected, and the described the 18th
The other end ground connection of resistance, the 2nd pin ground connection of described the 3rd constant current chip, the 3rd pin of described the 3rd constant current chip and institute
The negative terminal connection for 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 for the electrochemical capacitor stated is connected with the negative terminal of described counnter attack diode, and its public connecting end filters for described constant current
The positive output end of unit, the 4th pin of the 3rd described constant current chip is connected with the other end of the 19th described resistance, described
Remaining pin of second constant current chip and the 3rd described constant current chip is hanging.
9. one kind according to claim 6 is without stroboscopic LED filament lamp, it is characterised in that：This is also wrapped without stroboscopic LED filament lamp
Metallic lamp holder and the radiator structure that can be effectively radiated to described driving power supply are included, described radiator structure is described
The heat dissipating layer of one layer of heat dissipating substance formation of the surface outer wrapping of driving power supply, 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 contacts connection with the inwall of described metallic lamp holder, with
Make the heat of described driving power supply pass to described metallic lamp holder by described heat dissipating layer to export.
10. one kind according to claim 9 is without stroboscopic LED filament lamp, it is characterised in that：Described heat dissipating substance is radiating
Mud or thermal paste.
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| CN201610833427.9A CN106332361B (en) | 2016-09-20 | 2016-09-20 | One kind is without stroboscopic LED filament lamp |
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| CN201610833427.9A CN106332361B (en) | 2016-09-20 | 2016-09-20 | One kind is without stroboscopic LED filament lamp |
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| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| CN109084196B (en) * | 2018-08-01 | 2024-06-11 | 浙江阳光美加照明有限公司 | Wireless control's little lamp holder LED filament lamp |
| 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 |
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