CN207947917U - LED drive module, LED drive circuit and LED drive power - Google Patents
LED drive module, LED drive circuit and LED drive power Download PDFInfo
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- CN207947917U CN207947917U CN201721885947.0U CN201721885947U CN207947917U CN 207947917 U CN207947917 U CN 207947917U CN 201721885947 U CN201721885947 U CN 201721885947U CN 207947917 U CN207947917 U CN 207947917U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
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Abstract
The utility model discloses a kind of LED drive module, LED drive circuit and LED drive powers.It is included in the input terminal access double-break switch circuit device of LED drive power, the double-break switch circuit device cuts off the firewire and zero curve of the input terminal of LED drive power simultaneously after power-off occurs, so that LED drive power can be powered off thoroughly after the switch is turned off, low-light is eliminated.The utility model can cut off firewire and zero curve simultaneously, and lamps and lanterns is made thoroughly to power off, and prevent low-light, utmostly protect LED lamp bead.A variety of protection modules are added simultaneously, has multi-protective function, solves the problems, such as that the low-light of current LED lamp generally existing, the ability of antisurge are weak; it can prevent the moment that is powered; the due to voltage spikes of output reduces light decay to the impacting with high pressure of lamp bead, improves lamp bead service life.
Description
Technical field
The utility model is related to LED drive power technologies, more specifically, are related to LED drive module, LED drive circuit
And LED drive power.
Background technology
Under the background that global energy shortage, environmental requirement are continuously improved, green energy conservation photograph is greatly developed in countries in the world
It is bright.LED illumination is being developed rapidly as a kind of revolutionary energy-saving illumination technology.However, the requirement of LED drive power
It is being continuously improved.High efficiency, security isolation, meets EMI standards, high current control accuracy, high reliability, body at High Power Factor
Accumulate the critical evaluation index for just becoming LED drive power such as small, at low cost.
Currently known LED drive power construction is by capacitance, resistance, inductance, diode, triode, field effect transistor
The compositions such as pipe, transformer, photoelectrical coupler, integrated circuit board.Input terminal is electrically connected with city, output positive and negative charge and LED light
Positive and negative anodes, which are connected, can light lamp bead.But many LED drive powers, after using regular tap cut-out firewire, lamp bead can also
There is glimmer phenomenon, not just very power-off or even some lamps and lanterns the bright half of half occur and do not work after a period of use.
Lamps and lanterns can also have phenomena such as glimmer, Hui Xuan, interval stroboscopic after LED drive power is powered-down, influence lamp bead service life.
The ability of common driving power antisurge is poor, and especially anti-reflective is to voltage capability.Some are mounted in outdoor product, electricity
The start and stop and lightning stroke for netting load all can have impact to power supply, the induction got rid of and be struck by lightning be opened due to network load, from network system
Various surges can be invaded, some surges can lead to the damage of LED.Therefore the input terminal of LED drive power, which will have, inhibits surge
Circuit is protected, switching moments is avoided to damage LED lamp bead.
For example, the Chinese patent of Publication No. CN103731956B provides a kind of LED drivings power surge voltage protection circuit,
Including a RC integrating circuit and an independent capacitance；RC integrating circuit are used to protect the power input of IC chip；Capacitance is just
Pole one end is connected to the control switch input terminal of LED chip string, and the other end is connected with the low-voltage input terminal of rectification circuit.This is specially
Profit is simple in structure, and of low cost, protecting effect is good, is suitable for high pressure and moment surge voltage protection.But it is driven to LED
It phenomena such as glimmer of power supply, Hui Xuan, interval stroboscopic, can not solve these problems.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, a kind of LED drive module, LED driving electricity are provided
Road and LED drive power.Firewire and zero curve can be cut off simultaneously, lamps and lanterns is made thoroughly to power off, and are prevented low-light, are utmostly protected
LED lamp bead.Simultaneously a variety of protection modules are added, have multi-protective function, solve current LED lamp generally existing low-light,
The weak problem of the ability of antisurge, can prevent the moment that is powered, the due to voltage spikes of output from reducing light to the impacting with high pressure of lamp bead
It declines, improves lamp bead service life.
The purpose of this utility model is achieved through the following technical solutions：A kind of LED drive module, including：
Double-break switch circuit device；Double-break switch circuit device, the double-break switch are accessed in the input terminal of LED drive power
Circuit device cuts off the firewire and zero curve of the input terminal of the LED drive power simultaneously after power-off occurs, so as to be closed in switch
Closing the rear LED drive power can thoroughly power off, and eliminate low-light.
Further, LED chip negative feedback circuit of temperature device；The input terminal of the double-break switch circuit device connects institute
State the input terminal of LED drive power, the output end connection LED chip negative feedback circuit of temperature dress of the double-break switch circuit device
The input terminal set, the LED drivings of the first output end connection LED drive power of the LED chip negative feedback circuit of temperature device
Constant current output end.
Further, the second output terminal of the LED chip negative feedback circuit of temperature device and LED driving main control chips
Temperature feedback signal input terminal connects, the temperature feedback control signal output end and the double break of the LED drivings main control chip
The input terminal of switch circuit devices connects；
If the temperature of LED chip passes through temperature feedback control higher than the detection threshold value of setting, LED driving main control chips
Signal output end output controls the switching signal of the double-break switch modular circuit device, which makes the LED drive
The firewire and zero curve of the input terminal of power supply simultaneously switch off.
Further, anti-surge protection circuit device, proof and electric leakage-proof safety circuit device, overvoltage crowbar device, overcurrent
Protect circuit device and soft starting circuit device；
The anti-surge protection circuit device, proof and electric leakage-proof safety circuit device, overvoltage crowbar device, overcurrent protection
Circuit device and soft starting circuit device are connect with LED driving main control chips respectively.
A kind of LED drive circuit, including：
Chip, multiple inductance, multiple capacitances, multiple zener diodes, multiple diodes, rectifier bridge and pressure-sensitive diode；
First resistor and the first inductance in parallel, second resistance and the second inductance in parallel, the of the first inductance connection rectifier bridge
One end, the third end of the second inductance connection rectifier bridge, the pressure-sensitive diode in parallel between the first end and third end of rectifier bridge are whole
It flows and connects the first capacitance between the second end of bridge and the 4th section, one end of one end connection third inductance of the first capacitance, third electricity
The other end of sense connects one end of the first diode, the ends D of the other end connection chip of the first diode, the ends the BP connection of chip
One end of 8th resistance, the other end of second resistance connect one end of the 5th diode, the other end connection of the 5th diode the
Six diodes, the other end of the 6th diode connect one end of the 7th capacitance, the other end of the 7th capacitance and the second of rectifier bridge
End connection；
The ends FB of chip are connect with one end of third zener diode, the other end of third zener diode and the first voltage stabilizing
One end of diode connects, and the other end of the first zener diode is connect with one end of the 5th diode；
The ends S of chip are connect with one end of copper core inductance, and the other end of copper core inductance is connect with one end of the 6th diode；
The ends S of chip are connect with one end of the 4th resistance, and the other end of the 4th resistance is connect with one end of the second diode, the two or two pole
The other end of pipe and the second end of rectifier bridge connect；
It is connected with the 5th capacitance at the ends BP of chip and the ends S, the 6th capacitance is connected at the ends FB of chip and the ends S, the 6th
One end of resistance is connected to the ends FB of chip, and the other end is connected between the 4th resistance and the second diode；
One end of 7th capacitance is connect with one end of the 6th diode, the second end connection of the other end and rectifier bridge, and the 7th
Resistance is in parallel with the 7th capacitance；
One end of second capacitance is connected between third inductance and the second diode, and the second end of the other end and rectifier bridge connects
It connects, the second zener diode is in parallel with the second capacitance.
Further, the chip includes power conversion chip.
Further, the chip is LINK460VG.
A kind of switch constant current LED driving power source, including the LED drive module described in technical solution as above, alternatively,
Including the LED drive circuit described in technical solution as above.
A kind of linear IC LED drive powers, including the LED drive module described in technical solution as above, or,
Including the LED drive circuit described in technical solution as above.
A kind of resistance-capacitance depressurization LED drive power, including the LED drive module described in technical solution as above, or,
Including the LED drive circuit described in technical solution as above.
The utility model has the beneficial effects that：
(1) the utility model can cut off firewire and zero curve simultaneously, and lamps and lanterns is made thoroughly to power off, and prevent low-light, utmostly
LED lamp bead is protected, lamps and lanterns service life is extended.
(2) a variety of protection modules are added simultaneously in the utility model, have multi-protective function, integrate the integrated electricity of a variety of protections
Road and corresponding component solve the problems, such as that the low-light of current LED lamp generally existing, the ability of antisurge are weak, can prevent
It is powered moment, the due to voltage spikes of output reduces light decay to the impacting with high pressure of lamp bead, improves lamp bead service life.
The technique effect of the utility model is not limited to the described above.The above technique effect is merely exemplary to illustrate, this reality
It will be described in detail in subsequent specific embodiment part with other novel features and its effect etc..People in the art
Member can directly or indirectly know remaining technique effect etc. according to the description of the present application, and details are not described herein again.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, other drawings may also be obtained based on these drawings.
Fig. 1 is the first structure schematic diagram of the module of the utility model.
Fig. 2 is the second structural schematic diagram of the module of the utility model.
Fig. 3 is the structural schematic diagram of the circuit of the utility model.
Fig. 4 is the structural schematic diagram of the driving power of the utility model.
Specific implementation mode
The technical solution of the utility model, but the scope of protection of the utility model are described in further detail below in conjunction with the accompanying drawings
It is not limited to as described below.Any feature disclosed in this specification (including any accessory claim, abstract and attached drawing), is removed
It non-specifically describes, can be replaced by other alternative features that are equivalent or have similar purpose.That is, unless specifically stated, often
A feature is an example in a series of equivalent or similar characteristics.
Specific embodiment of the utility model is described more fully below, it should be noted that the embodiments described herein is served only for
For example, being not intended to limit the utility model.In the following description, in order to provide the thorough understanding to the utility model,
Elaborate a large amount of specific details.It will be apparent, however, to one skilled in the art that：These certain details need not be used
It saves to carry out the utility model.In other instances, in order to avoid obscuring the utility model, well known circuit is not specifically described
Deng.
As shown in Figs. 1-3, a kind of LED drive module, including：
Double-break switch circuit device；Double-break switch circuit device, the double-break switch are accessed in the input terminal of LED drive power
Circuit device cuts off the firewire and zero curve of the input terminal of the LED drive power simultaneously after power-off occurs, so as to be closed in switch
Closing the rear LED drive power can thoroughly power off, and eliminate low-light.
Optionally, LED chip negative feedback circuit of temperature device；Described in the input terminal connection of the double-break switch circuit device
The output end of the input terminal of LED drive power, the double-break switch circuit device connects LED chip negative feedback circuit of temperature device
Input terminal, the LED drivings of the first output end connection LED drive power of the LED chip negative feedback circuit of temperature device are permanent
Flow output end.
Optionally, the temperature of the second output terminal of the LED chip negative feedback circuit of temperature device and LED driving main control chips
Feedback signal input terminal connection is spent, the temperature feedback control signal output end of the LED drivings main control chip is opened with the double break
Close the input terminal connection of circuit device；
If the temperature of LED chip passes through temperature feedback control higher than the detection threshold value of setting, LED driving main control chips
Signal output end output controls the switching signal of the double-break switch modular circuit device, which makes the LED drive
The firewire and zero curve of the input terminal of power supply simultaneously switch off.
Further, anti-surge protection circuit device, proof and electric leakage-proof safety circuit device, overvoltage crowbar device, overcurrent
Protect circuit device and soft starting circuit device；
The anti-surge protection circuit device, proof and electric leakage-proof safety circuit device, overvoltage crowbar device, overcurrent protection
Circuit device and soft starting circuit device are connect with LED driving main control chips respectively.
Fig. 3 is a kind of LED drive circuit, including：
Chip, multiple inductance, multiple capacitances, multiple zener diodes, multiple diodes, rectifier bridge and pressure-sensitive diode；
First resistor and the first inductance in parallel, second resistance and the second inductance in parallel, the of the first inductance connection rectifier bridge
One end, the third end of the second inductance connection rectifier bridge, the pressure-sensitive diode in parallel between the first end and third end of rectifier bridge are whole
It flows and connects the first capacitance between the second end of bridge and the 4th section, one end of one end connection third inductance of the first capacitance, third electricity
The other end of sense connects one end of the first diode, the ends D of the other end connection chip of the first diode, the ends the BP connection of chip
One end of 8th resistance, the other end of second resistance connect one end of the 5th diode, the other end connection of the 5th diode the
Six diodes, the other end of the 6th diode connect one end of the 7th capacitance, the other end of the 7th capacitance and the second of rectifier bridge
End connection；
The ends FB of chip are connect with one end of third zener diode, the other end of third zener diode and the first voltage stabilizing
One end of diode connects, and the other end of the first zener diode is connect with one end of the 5th diode；
The ends S of chip are connect with one end of copper core inductance, and the other end of copper core inductance is connect with one end of the 6th diode；
The ends S of chip are connect with one end of the 4th resistance, and the other end of the 4th resistance is connect with one end of the second diode, the two or two pole
The other end of pipe and the second end of rectifier bridge connect；
It is connected with the 5th capacitance at the ends BP of chip and the ends S, the 6th capacitance is connected at the ends FB of chip and the ends S, the 6th
One end of resistance is connected to the ends FB of chip, and the other end is connected between the 4th resistance and the second diode；
One end of 7th capacitance is connect with one end of the 6th diode, the second end connection of the other end and rectifier bridge, and the 7th
Resistance is in parallel with the 7th capacitance；
One end of second capacitance is connected between third inductance and the second diode, and the second end of the other end and rectifier bridge connects
It connects, the second zener diode is in parallel with the second capacitance.
Optionally, the chip includes power conversion chip.
Optionally, the chip is LINK460VG.
A kind of switch constant current LED driving power source, including the LED drive module described in technical solution as above, alternatively,
Including the LED drive circuit described in technical solution as above.
A kind of linear IC LED drive powers, including the LED drive module described in technical solution as above, or,
Including the LED drive circuit described in technical solution as above.
A kind of resistance-capacitance depressurization LED drive power, including the LED drive module described in technical solution as above, or,
Including the LED drive circuit described in technical solution as above.
【Embodiment one】
Those skilled in the art can implement the utility model as a kind of LED drive module, in this embodiment,
For example, containing double-break switch circuit device in Fig. 1.Those skilled in the art access double break in the input terminal of LED drive power
Switch circuit devices, the double-break switch circuit device cut off the input terminal of the LED drive power simultaneously after power-off occurs
Firewire and zero curve eliminate low-light so that the LED drive power can be powered off thoroughly after the switch is turned off.
Remaining technical characteristic in the present embodiment, those skilled in the art can flexibly be selected according to actual conditions
With with to meet different specific actual demands.It will be apparent, however, to one skilled in the art that：It need not use
These specific details carry out the utility model.In other instances, in order to avoid obscuring the utility model, public affairs are not specifically described
The composition known, structure or component limit technical protection in the claimed technical solution of claims of the utility model
Within the scope of, details are not described herein again.
【Embodiment two】
Those skilled in the art can implement the utility model as a kind of LED drive module, in this embodiment,
For example, Fig. 2 is on the basis of embodiment one, increase LED chip negative feedback circuit of temperature device.Those skilled in the art can incite somebody to action
The input terminal of the input terminal connection LED drive power of double-break switch circuit device, the output end of double-break switch circuit device is connected
Connect the input terminal of LED chip negative feedback circuit of temperature device, the first output end connection of LED chip negative feedback circuit of temperature device
The LED driving constant current outputs end of LED drive power.
In this embodiment, those skilled in the art can be by the second of the LED chip negative feedback circuit of temperature device
Output end drives the temperature feedback signal input terminal of main control chip to connect with LED, the temperature feedback of the LED drivings main control chip
Control signal output is connect with the input terminal of the double-break switch circuit device.If the temperature of LED chip is higher than setting
Detection threshold value, then LED drive main control chip to pass through the output of temperature feedback control signal output end and control the double-break switch module
The switching signal of circuit device, the switching signal make the firewire of the input terminal of the LED drive power and zero curve simultaneously switch off.
Remaining technical characteristic in the present embodiment, those skilled in the art can flexibly be selected according to actual conditions
With with to meet different specific actual demands.It will be apparent, however, to one skilled in the art that：It need not use
These specific details carry out the utility model.In other instances, in order to avoid obscuring the utility model, public affairs are not specifically described
The composition known, structure or component limit technical protection in the claimed technical solution of claims of the utility model
Within the scope of, details are not described herein again.
【Embodiment three】
Those skilled in the art can implement the utility model as a kind of LED drive circuit, in this embodiment,
For example,
Fig. 3 is a kind of LED drive circuit, includes chip, multiple inductance, multiple capacitances, multiple voltage stabilizings two in the circuit
Pole pipe, multiple diodes, rectifier bridge and pressure-sensitive diode.
As shown in figure 3, first resistor R1 is in parallel with the first inductance L1, second resistance R2 is in parallel with the second inductance L2, first
The first end of inductance L1 connection rectifier bridges BR1, the third end of the second inductance L2 connection rectifier bridges BR2, the first of rectifier bridge BR2
End pressure-sensitive diode RV1 in parallel between third end, connects the first capacitance C1 between the second end of rectifier bridge BR1 and the 4th section,
First one end capacitance C1 connects one end of third inductance L3, and the other end of third inductance L3 connects one end of the first diode D1,
The ends D of the other end connection chip U1 of first diode D1, the ends chip U1BP connect one end of the 8th resistance R8, second resistance R2
The other end connect one end of the 5th diode D5, the other end of the 5th diode D5 connects the 6th diode D6, the six or two pole
The other end of pipe D6 connects one end of the 7th capacitance C7, and the other end of the 7th capacitance C7 is connect with the second end of rectifier bridge BR1.
The ends FB of chip U1 are connect with one end of third zener diode VR3, the other end of third zener diode VR3 with
One end of first zener diode VR1 connects, and the other end of the first zener diode VR1 and one end of the 5th diode D5 connect
It connects.
The ends S of chip U1 are connect with one end of copper core inductance T1, the other end of copper core inductance T1 and the 6th diode D6's
One end connects；The ends S of chip U1 are connect with one end of the 4th resistance R4, the other end of the 4th resistance R4 and the second diode D2's
One end connects, and the other end of the second diode D2 is connect with the second end of rectifier bridge BR1；
It is connected with the 5th capacitance at the ends BP of chip U1 and the ends S, the 6th capacitance is connected at the ends FB of chip U1 and the ends S
One end of C6, the 6th resistance R6 are connected to the ends FB of chip U1, the other end be connected to the 4th resistance R4 and the second diode D2 it
Between.
One end of 7th capacitance C7 is connect with one end of the 6th diode D6, and the second end of the other end and rectifier bridge BR1 connects
It connects, the 7th resistance R7 is in parallel with the 7th capacitance C7.
One end of second capacitance C2 is connected between third inductance L3 and the second diode D2, the other end and rectifier bridge BR1
Second end connection, the 2nd VR2 is in parallel with the second capacitance C2.
Fig. 4 is the shell shape and corresponding input terminal and output end of the driving power of the utility model, can to prevent low-light,
And there is multi-protective function, it is not limited to switch constant current scheme, also includes the driving of linear IC schemes or resistance-capacitance depressurization scheme.
Such as, those skilled in the art can drive the utility model for switching constant-current driving power supply, linear IC driving powers, resistance-capacitance depressurization
Dynamic power lights.Loaded work piece is not participated in, electrical equipment circuit will not be interfered, power size and outer hull shape are not limited to
Shape.
Remaining technical characteristic in the present embodiment, those skilled in the art can flexibly be selected according to actual conditions
With with to meet different specific actual demands.It will be apparent, however, to one skilled in the art that：It need not use
These specific details carry out the utility model.In other instances, in order to avoid obscuring the utility model, public affairs are not specifically described
The composition known, structure or component limit technical protection in the claimed technical solution of claims of the utility model
Within the scope of, details are not described herein again.
Special declaration, the topic of the specification of the utility model is to the technical solution of the claim of the utility model not structure
It is explained at any restrictions, is only the statement of one or more of embodiments of the utility model.
It is above-mentioned to be related to it is apparent to those skilled in the art that for convenience of description and succinctly
The specific work process of system, device and unit module can refer to the corresponding process in previous embodiment, no longer superfluous herein
It states.I.e. the utility model is not limited to specific implementation mode above-mentioned.The utility model expand to it is any in the present specification
The new feature of disclosure or any new combination, and the implicit any new combination disclosed.
The above is only the preferred embodiment of the utility model, it should be understood that the utility model is not limited to herein
Disclosed form is not to be taken as excluding other embodiments, and can be used for other combinations, modifications, and environments, and
Can be in contemplated scope described herein, modifications can be made through the above teachings or related fields of technology or knowledge.And this field
The modifications and changes that personnel are carried out do not depart from the spirit and scope of the utility model, then all rights appended by the utility model
It is required that protection domain in.In the above description, in order to provide the thorough understanding to the utility model, a large amount of certain details are elaborated
Section.It will be apparent, however, to one skilled in the art that：It is new this practicality need not to be carried out using these specific details
Type.In other instances, in order to avoid obscuring the utility model, well known technology is not specifically described, such as specific construction is carefully
Section, operating condition and other technical conditions etc..
Claims (8)
1. a kind of LED drive module, characterized in that including：
Double-break switch circuit device and LED chip negative feedback circuit of temperature device；Double break is accessed in the input terminal of LED drive power
Switch circuit devices, the double-break switch circuit device cut off the input terminal of the LED drive power simultaneously after power-off occurs
Firewire and zero curve eliminate low-light so that the LED drive power can be powered off thoroughly after the switch is turned off；LED chip temperature
Negative-feedback circuit device；The input terminal of the double-break switch circuit device connects the input terminal of the LED drive power, described double
The input terminal of the output end connection LED chip negative feedback circuit of temperature device of disconnected switch circuit devices, the LED chip temperature are negative
The LED driving constant current outputs end of the first output end connection LED drive power of feedback circuit device；The LED chip temperature is negative
The second output terminal of feedback circuit device drives the temperature feedback signal input terminal of main control chip to connect with LED, the LED drivings
The temperature feedback control signal output end of main control chip is connect with the input terminal of the double-break switch circuit device；
If the temperature of LED chip passes through temperature feedback control signal higher than the detection threshold value of setting, LED driving main control chips
Output end output controls the switching signal of the double-break switch modular circuit device, which makes the LED drive power
Input terminal firewire and zero curve simultaneously switch off.
2. a kind of LED drive module described in accordance with the claim 1, characterized in that including：
Anti-surge protection circuit device, proof and electric leakage-proof safety circuit device, overvoltage crowbar device, current foldback circuit device and
Soft starting circuit device；
The anti-surge protection circuit device, proof and electric leakage-proof safety circuit device, overvoltage crowbar device, current foldback circuit
Device and soft starting circuit device are connect with LED driving main control chips respectively.
3. a kind of LED drive circuit, characterized in that including：
Chip, multiple inductance, multiple capacitances, multiple zener diodes, multiple diodes, rectifier bridge and pressure-sensitive diode；
First resistor and the first inductance in parallel, second resistance and the second inductance in parallel, the first end of the first inductance connection rectifier bridge,
The third end of second inductance connection rectifier bridge, the pressure-sensitive diode in parallel between the first end and third end of rectifier bridge, rectifier bridge
Second end and the 4th section between connect the first capacitance, one end of one end connection third inductance of the first capacitance, third inductance
The other end connects one end of the first diode, the ends D of the other end connection chip of the first diode, the ends the BP connection the 8th of chip
One end of resistance, the other end of second resistance connect one end of the 5th diode, the other end connection the six or two of the 5th diode
Pole pipe, the other end of the 6th diode connect one end of the 7th capacitance, and the other end of the 7th capacitance and the second end of rectifier bridge connect
It connects；
The ends FB of chip are connect with one end of third zener diode, two pole of the other end of third zener diode and the first voltage stabilizing
One end of pipe connects, and the other end of the first zener diode is connect with one end of the 5th diode；
The ends S of chip are connect with one end of copper core inductance, and the other end of copper core inductance is connect with one end of the 6th diode；Chip
The ends S connect with one end of the 4th resistance, the other end of the 4th resistance is connect with one end of the second diode, the second diode
The second end of the other end and rectifier bridge connects；
It is connected with the 5th capacitance at the ends BP of chip and the ends S, the 6th capacitance, the 6th resistance are connected at the ends FB of chip and the ends S
One end be connected to the ends FB of chip, the other end is connected between the 4th resistance and the second diode；
One end of 7th capacitance is connect with one end of the 6th diode, the second end connection of the other end and rectifier bridge, the 7th resistance
It is in parallel with the 7th capacitance；
One end of second capacitance is connected between third inductance and the second diode, the second end connection of the other end and rectifier bridge,
Second zener diode is in parallel with the second capacitance.
4. a kind of LED drive circuit described in accordance with the claim 3, it is characterized in that：The chip includes power conversion chip.
5. a kind of LED drive circuit according to claim 4, it is characterized in that：The chip is LINK460VG.
6. a kind of switch constant current LED driving power source, characterized in that drive mould including the LED described in any one of claim 1-2
Block, or,
Including the LED drive circuit described in claim 4.
7. a kind of linear IC LED drive powers, characterized in that drive mould including the LED described in any one of claim 1-2
Block, or,
Including the LED drive circuit described in claim 4.
8. a kind of resistance-capacitance depressurization LED drive power, characterized in that drive mould including the LED described in any one of claim 1-2
Block, or,
Including the LED drive circuit described in claim 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721885947.0U CN207947917U (en) | 2017-12-28 | 2017-12-28 | LED drive module, LED drive circuit and LED drive power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721885947.0U CN207947917U (en) | 2017-12-28 | 2017-12-28 | LED drive module, LED drive circuit and LED drive power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207947917U true CN207947917U (en) | 2018-10-09 |
Family
ID=63700783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721885947.0U Expired - Fee Related CN207947917U (en) | 2017-12-28 | 2017-12-28 | LED drive module, LED drive circuit and LED drive power |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207947917U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109996372A (en) * | 2019-04-30 | 2019-07-09 | 电子科技大学中山学院 | LED driving power supply |
| CN113473679A (en) * | 2021-06-30 | 2021-10-01 | 欧普照明股份有限公司 | Circuit and lighting device |
-
2017
- 2017-12-28 CN CN201721885947.0U patent/CN207947917U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109996372A (en) * | 2019-04-30 | 2019-07-09 | 电子科技大学中山学院 | LED driving power supply |
| CN113473679A (en) * | 2021-06-30 | 2021-10-01 | 欧普照明股份有限公司 | Circuit and lighting device |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181009 Termination date: 20201228 |
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| CF01 | Termination of patent right due to non-payment of annual fee |