CN207219093U - One kind is linearly without stroboscopic light adjusting circuit - Google Patents
One kind is linearly without stroboscopic light adjusting circuit Download PDFInfo
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- CN207219093U CN207219093U CN201720890160.7U CN201720890160U CN207219093U CN 207219093 U CN207219093 U CN 207219093U CN 201720890160 U CN201720890160 U CN 201720890160U CN 207219093 U CN207219093 U CN 207219093U
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- constant current
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- linear constant
- stroboscopic
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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]
Abstract
The utility model provides one kind linearly without stroboscopic light adjusting circuit, including：Stroboscopic unit, constant current filter unit and linear constant current unit are removed in over-current protecting unit, rectification filtering unit, light modulation；Over-current protecting unit input access mains electricity; over-current protecting unit output end and Overvoltage protecting unit input connect; Overvoltage protecting unit output end and rectification filtering unit input connect; rectification filtering unit output end with constant current filter unit input and light modulation go stroboscopic unit input to be connected; constant current filter unit output end be connected with linear constant current unit input; linear constant current unit output end goes stroboscopic unit input to be connected with light modulation, and light modulation goes stroboscopic unit output end to be connected with LED illuminator load；It is the first linear constant current processor U1 that stroboscopic unit is removed in light modulation；Linear constant current unit is the second linear constant current processor U2.
Description
Technical field
It the utility model is related to a kind of light adjusting circuit.
Background technology
LED filament lamp driving power source typically connects the load of high-voltage LED illuminator, and current ripples are larger, and stroboscopic is serious, it is contemplated that
Existing driver circuit needs individually plus light modulator maintains electric current to provide unit and remove stroboscopic unit, it is difficult to accomplish that relatively high power surpasses
Small size.
Utility model content
Technical problem underlying to be solved in the utility model is to provide one kind linearly without stroboscopic light adjusting circuit, is not required to individually
Set light modulator to maintain electric current to provide unit and remove stroboscopic unit, small size can be accomplished.
In order to solve above-mentioned technical problem, the utility model provides one kind linearly without stroboscopic light adjusting circuit, including：Cross
Stroboscopic unit, constant current filter unit and linear constant current unit are removed in stream protection location, rectification filtering unit, light modulation；
The input access mains electricity of described over-current protecting unit, described over-current protecting unit output end and institute
The Overvoltage protecting unit input connection stated, described Overvoltage protecting unit output end and described rectification filtering unit input
Connection, described rectification filtering unit output end remove stroboscopic unit with described constant current filter unit input and described light modulation
Input is connected, and described constant current filter unit output end is connected with the linear constant current unit input, described linear
Constant current unit output end goes stroboscopic unit input to be connected with light modulation, and the light modulation goes stroboscopic unit output end to be lighted with LED
Body load is connected；
It is the first linear constant current processor U1 that stroboscopic unit is removed in the light modulation；The linear constant current unit is second linear permanent
Stream handle U2.
In a preferred embodiment：The first linear constant current processor U1 is at the linear constant current using ESOP-8 encapsulation
Device is managed, its inside includes two independent linear constant current chips, and a linear constant current chip maintains carrying for electric current as light modulator
For unit, stroboscopic unit is removed described in another linear constant current chip conduct.
In a preferred embodiment：The second linear constant current processor U2 is at the linear constant current using ESOP-8 encapsulation
Device is managed, inside includes two independent linear constant current chips：The linear constant current unit is that two linear constant current chip simultaneous make
With or using one of linear constant current chip.
In a preferred embodiment：Second linear constant current processor U2 is to be handled using the linear constant current of ESOP-8 encapsulation
Device, inside include a linear constant current chip, and the linear constant current chip is as the linear constant current unit.
In a preferred embodiment：The Rext1 stitch of the first linear constant current processor U1 is grounded by resistance R3, the
Bilinear constant current processor U2 Rext1, Rext2 stitch is grounded by resistance R4；The first linear constant current processor U1's
Rext2 stitch is connected to the second linear constant current processor U2 OUT2 stitch by resistance R6；The first linear constant current processing
Device U1 OUT1 stitch is connected to the cathode output end of rectification filtering unit by series resistance R1, R2；Described first is linear permanent
Stream handle U1 OUT2 stitch is connected to the negative pole of LED chip；The OUT1 stitch of the second linear constant current processor U2 leads to
Cross the positive pole that the constant current filter unit is connected to LED chip.
In a preferred embodiment：The constant current filter unit includes diode D1, electrolysis E1 and resistance R5；Two pole
The anode of pipe is connected to the cathode output end of rectification filtering unit, and negative pole is connected to electrolysis E1 positive pole；The negative pole for being electrolysed E1 connects
It is connected to the OUT1 stitch of the second linear constant current processor U2；The resistance R5 be connected to electrolysis E1 positive pole and negative pole it
Between.
Compared to prior art, the technical solution of the utility model possesses following beneficial effect：
It is provided by the utility model a kind of linearly without stroboscopic light adjusting circuit, dim and remove stroboscopic unit, linear constant current unit all
It has been integrated in constant current driving processor, therefore in circuit extra light modulation need not have been set to remove stroboscopic unit, has been advantageous to light modulation electricity
The diminution of road volume, small-volume large-power can be accomplished.
Brief description of the drawings
Fig. 1 is LED drive circuit figure in the prior art；
Fig. 2 is the circuit diagram linearly without stroboscopic light adjusting circuit during the utility model is preferable to carry out.
Embodiment
This case is described in further detail with reference to the accompanying drawings and detailed description.
It is a kind of linearly without stroboscopic light adjusting circuit with reference to figure 2, including：Over-current protecting unit 1, rectification filtering unit 2, light modulation
Remove stroboscopic unit 3, constant current filter unit 4 and linear constant current unit 5, Overvoltage protecting unit 6；
The input access mains electricity of described over-current protecting unit, described over-current protecting unit output end and institute
The Overvoltage protecting unit input connection stated, described Overvoltage protecting unit output end and described rectification filtering unit input
Connection, described rectification filtering unit output end remove stroboscopic unit with described constant current filter unit input and described light modulation
Input is connected, and described constant current filter unit output end is connected with the linear constant current unit input, described linear
Constant current unit output end goes stroboscopic unit input to be connected with light modulation, and the light modulation goes stroboscopic unit output end to be lighted with LED
Body load is connected；
It is the first linear constant current processor U1 that stroboscopic unit is removed in the light modulation；The linear constant current unit is second linear permanent
Stream handle U2.
The first linear constant current processor U1 is the linear constant current processor encapsulated using ESOP-8, and it is internal comprising two
Independent linear constant current chip, a linear constant current chip maintain the offer unit of electric current as light modulator, and another linear
Constant current chip removes stroboscopic unit described in being used as.
The second linear constant current processor U2 is the linear constant current processor encapsulated using ESOP-8, and inside includes two
Independent linear constant current chip：The linear constant current unit is that two linear constant current chip simultaneous use or used one of line
Property constant current chip.
Therefore, above-mentioned one kind linearly goes stroboscopic unit, linear constant current unit to be all integrated in without stroboscopic light adjusting circuit, light modulation
In constant current driving processor, therefore in circuit extra light modulation need not be set to remove stroboscopic unit, be advantageous to light adjusting circuit volume
Diminution, small-volume large-power can be accomplished.
In the present embodiment, the Rext1 stitch of the first linear constant current processor U1 is grounded by resistance R3, and second is linear
Constant current processor U2 Rext1, Rext2 stitch is grounded by resistance R4；The Rext2 pins of the first linear constant current processor U1
Pin is connected to the second linear constant current processor U2 OUT2 stitch by resistance R6；The first linear constant current processor U1's
OUT1 stitch is connected to the cathode output end of rectification filtering unit by series resistance R1, R2；The first linear constant current processing
Device U1 OUT2 stitch is connected to the negative pole of LED chip；The OUT1 stitch of the second linear constant current processor U2 passes through described
Constant current filter unit is connected to the positive pole of LED chip.
The constant current filter unit includes diode D1, electrolysis E1 and resistance R5；The anode of the diode is connected to whole
The cathode output end of filter unit is flowed, negative pole is connected to electrolysis E1 positive pole；It is linear that electrolysis E1 negative pole is connected to described second
Constant current processor U2 OUT1 stitch；The resistance R5 is connected between electrolysis E1 positive pole and negative pole.
It is described above, only it is preferred embodiment of the present utility model, not technical scope of the present utility model is made
Any restrictions, the present embodiment are intended to the idea and operation principle for illustrating the utility model, therefore every according to skill of the present utility model
Art substantially makees the subtle modifications, equivalent variations and modifications of any shape and structure to above example, still falls within this practicality
In the range of new technique scheme.
Claims (6)
1. one kind is linearly without stroboscopic light adjusting circuit, it is characterised in that including：Over-current protecting unit, rectification filtering unit, light modulation are gone
Stroboscopic unit, constant current filter unit and linear constant current unit；
The input access mains electricity of described over-current protecting unit, described over-current protecting unit output end are protected with overvoltage
The connection of unit input is protected, described Overvoltage protecting unit output end is connected with described rectification filtering unit input, described
Rectification filtering unit output end go stroboscopic unit input phase with described constant current filter unit input and described light modulation
Connection, described constant current filter unit output end are connected with the linear constant current unit input, the linear constant current unit
Output end goes stroboscopic unit input to be connected with light modulation, and the light modulation goes stroboscopic unit output end to load phase with LED illuminator
Connection；
It is the first linear constant current processor U1 that stroboscopic unit is removed in the light modulation；The linear constant current unit is at the second linear constant current
Manage device U2.
2. one kind is linearly without stroboscopic light adjusting circuit according to claim 1, it is characterised in that：The first linear constant current processing
Device U1 is the linear constant current processor encapsulated using ESOP-8, and its inside includes two independent linear constant current chips, a line
Property constant current chip the offer unit of electric current is provided as light modulator, another linear constant current chip be used as described in remove stroboscopic unit.
3. one kind is linearly without stroboscopic light adjusting circuit according to claim 2, it is characterised in that：The second linear constant current processing
Device U2 is the linear constant current processor encapsulated using ESOP-8, and inside includes two independent linear constant current chips：It is described linear
Constant current unit is that two linear constant current chip simultaneous use or used one of linear constant current chip.
4. one kind is linearly without stroboscopic light adjusting circuit according to claim 2, it is characterised in that：Second linear constant current processor U2
To include a linear constant current chip, the linear constant current chip conduct using the linear constant current processor of ESOP-8 encapsulation, inside
The linear constant current unit.
5. one kind according to claim 3 is linearly without stroboscopic light adjusting circuit, it is characterised in that：At first linear constant current
Reason device U1 Rext1 stitch is grounded by resistance R3, and the second linear constant current processor U2 Rext1, Rext2 stitch passes through resistance
R4 is grounded；The Rext2 stitch of the first linear constant current processor U1 is connected to the second linear constant current processor by resistance R6
U2 OUT2 stitch；The OUT1 stitch of the first linear constant current processor U1 is connected to rectification by series resistance R1, R2 and filtered
The cathode output end of ripple unit；The OUT2 stitch of the first linear constant current processor U1 is connected to the negative pole of LED chip；It is described
Second linear constant current processor U2 OUT1 stitch is connected to the positive pole of LED chip by the constant current filter unit.
6. one kind according to claim 5 is linearly without stroboscopic light adjusting circuit, it is characterised in that：The constant current filter unit bag
Include diode D1, electrolysis E1 and resistance R5；The anode of the diode is connected to the cathode output end of rectification filtering unit, negative pole
It is connected to electrolysis E1 positive pole；Electrolysis E1 negative pole is connected to the OUT1 stitch of the second linear constant current processor U2；It is described
Resistance R5 is connected between electrolysis E1 positive pole and negative pole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720890160.7U CN207219093U (en) | 2017-07-20 | 2017-07-20 | One kind is linearly without stroboscopic light adjusting circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720890160.7U CN207219093U (en) | 2017-07-20 | 2017-07-20 | One kind is linearly without stroboscopic light adjusting circuit |
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| Publication Number | Publication Date |
|---|---|
| CN207219093U true CN207219093U (en) | 2018-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720890160.7U Active CN207219093U (en) | 2017-07-20 | 2017-07-20 | One kind is linearly without stroboscopic light adjusting circuit |
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| CN (1) | CN207219093U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022048114A1 (en) * | 2020-09-02 | 2022-03-10 | 佛山市威得士灯饰电器有限公司 | Linear silicon-controlled rectifier dimming lamp and driving method therefor |
-
2017
- 2017-07-20 CN CN201720890160.7U patent/CN207219093U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022048114A1 (en) * | 2020-09-02 | 2022-03-10 | 佛山市威得士灯饰电器有限公司 | Linear silicon-controlled rectifier dimming lamp and driving method therefor |
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