CN107995735A - A kind of lamp string of eyeshield without stroboscopic - Google Patents
A kind of lamp string of eyeshield without stroboscopic Download PDFInfo
- Publication number
- CN107995735A CN107995735A CN201711334724.XA CN201711334724A CN107995735A CN 107995735 A CN107995735 A CN 107995735A CN 201711334724 A CN201711334724 A CN 201711334724A CN 107995735 A CN107995735 A CN 107995735A
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- Prior art keywords
- stroboscopic
- electrically connected
- poles
- rectifying
- voltage
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Classifications
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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
- H05B45/37—Converter circuits
Abstract
The invention discloses a kind of lamp string of eyeshield without stroboscopic, including at least two LED drive units, LED drive unit include be electrically connected successively rectifying and voltage-stabilizing module, without stroboscopic constant-current driven chip, LED light group；Between several LED drive units, the L poles with alternating current, N poles are electrically connected the input terminal of rectifying and voltage-stabilizing module respectively, and the input terminal of rectifying and voltage-stabilizing module and the input terminal of the rectifying and voltage-stabilizing module of other LED drive units are accordingly electrically connected so that parallel with one another between several LED drive units, the design LED light string is very easy to use and can be sequentially connected in series strip lamp string without stroboscopic eyeshield, simple in structure.
Description
Technical field
The present invention relates to lighting area, particularly a kind of lamp string of eyeshield without stroboscopic.
Background technology
LED lighting technology has been widely used, and conventional LED light string, stroboscopic is serious, and people's long-time service stroboscopic is serious
LED light string, can cause serious injury eyes, while on circuit structure, general LED light string drive circuit is all only with one
A power drives, the voltage and current for modulating adaptation are powered for LED string, and according to actual conditions, sometimes can be initial
Behind LED string, continue some LED string of connecting, the voltage and current and LED string of power drives offer are provided at this time
Required voltage and current is misfitted, and LED light string can not work, and producer makes this series of improvement, but mostly complicated,
It is inconvenient to use.
The content of the invention
In order to solve the above technical problems, the object of the present invention is to provide one kind without stroboscopic, eyeshield, simple in structure, user
Just and the LED drive circuit of strip lamp string can be sequentially connected in series.
The technical solution adopted by the present invention is：
A kind of lamp string of eyeshield without stroboscopic, including at least two LED drive units, LED drive unit include electrical successively
The rectifying and voltage-stabilizing module of connection, without stroboscopic constant-current driven chip, LED light group；
Between several LED drive units, the L poles with alternating current, N extremely electrically connect the input terminal of rectifying and voltage-stabilizing module respectively
Connect, and the input terminal of rectifying and voltage-stabilizing module and the input terminal of the rectifying and voltage-stabilizing module of other LED drive units are accordingly electrical
Connection is so that parallel with one another between several LED drive units.
The input terminal of the output terminal of rectifying and voltage-stabilizing module and no stroboscopic constant-current driven chip, which is electrically connected, thinks no flash constant
Flow driving chip power supply, the cathode of the LED light group, the anode respectively correspondingly cathode output with no stroboscopic constant-current driven chip
End, cathode output end are electrically connected.
The input terminal of the output terminal of rectifying and voltage-stabilizing module and no stroboscopic constant-current driven chip, which is electrically connected, thinks no flash constant
Flow driving chip power supply, the N poles of the cathode of the LED light group and alternating current are electrically connected, the anode of the LED light group with without frequency
The output terminal for dodging constant-current driven chip is electrically connected.
The input terminal of the output terminal of rectifying and voltage-stabilizing module and no stroboscopic constant-current driven chip, which is electrically connected, thinks no flash constant
Flow driving chip power supply, the L poles of the anode of the LED light group and alternating current are electrically connected, the cathode of the LED light group with without frequency
The output terminal for dodging constant-current driven chip is electrically connected.
The LED drive unit includes having access to the first plug of external ac power source, can be engaged with the first plug
Second plug, the second plug are engaged with the first plug of another LED drive unit so that between adjacent LED driving unit mutually simultaneously
Connection；
First plug includes the extreme sons of the first L that can connect alternating current L poles and the first N that can connect alternating current N poles
Extreme son, the second plug include the extreme sons of the 2nd L that can connect alternating current L poles and the 2nd N that can connect alternating current N poles
Extreme son, the extreme sons of the first L are electrically connected with the extreme sons of the 2nd L by L poles busbar, and the extreme sons of the first N and the extreme sons of the 2nd N are logical
Cross N poles busbar to be electrically connected, the input terminal of the rectifying and voltage-stabilizing module respectively correspondingly electrically connects with L poles busbar, N poles busbar
Connect.
Fuse RF is further included, the fuse RF inputs with L poles busbar or N poles busbar, rectifying and voltage-stabilizing module respectively
End is electrically connected.
Further include sampling module, the no stroboscopic constant-current driven chip includes sampling end, the sampling module respectively with sampling
End, rectifying and voltage-stabilizing module are electrically connected.
The sampling module includes resistance R1 and resistance R2 parallel with one another.
The LED light group includes at least two LED string parallel with one another.
Beneficial effects of the present invention：
LED drive circuit of the present invention, including at least one LED drive unit, LED drive unit are interior using no stroboscopic constant current
Driving chip so that drive the current floating of LED light group to greatly reduce so that LED light group does not have stroboscopic, protects the eye of user
Eyeball, meanwhile, it is parallel with one another between adjacent LED drive unit, it does not interfere with each other, the design LED light string is without stroboscopic eyeshield, structure letter
It is single, it is very easy to use.
Brief description of the drawings
The embodiment of the present invention is described further below in conjunction with the accompanying drawings.
Fig. 1 is the circuit diagram of LED drive circuit first embodiment of the present invention.
Fig. 2 is the circuit diagram of LED drive circuit second embodiment of the present invention.
Fig. 3 is the circuit diagram of LED drive circuit 3rd embodiment of the present invention.
Fig. 4 is the circuit diagram of LED drive circuit of the present invention.
Embodiment
As Figure 1-Figure 4, LED drive circuit of the present invention, including at least two LED drive units 1, LED drive unit 1
Including be electrically connected successively rectifying and voltage-stabilizing module 4, without stroboscopic constant-current driven chip 5, LED light group 6；
Between several LED drive units, the L poles with alternating current, N are extremely electrical respectively for the input terminal of rectifying and voltage-stabilizing module 4
Connection, and the input terminal of the rectifying and voltage-stabilizing module 4 of the input terminal of rectifying and voltage-stabilizing module 4 and other LED drive units 1 is accordingly
It is electrically connected so that parallel with one another between several LED drive units 1.
Rectifying and voltage-stabilizing module 4 in the design, drive without stroboscopic constant-current driven chip 5, LED light group 6 according to no stroboscopic constant current
The difference of chip signal, connection relation have it is a variety of, as shown in Figure 1-Figure 3,
The input terminal of the output terminal of rectifying and voltage-stabilizing module 4 and no stroboscopic constant-current driven chip 5, which is electrically connected, thinks no stroboscopic
Constant-current driven chip 5 is powered, the cathode of the LED light group 6, anode respectively correspondingly with no stroboscopic constant-current driven chip 5 just
Pole output terminal, cathode output end are electrically connected.
The input terminal of the output terminal of rectifying and voltage-stabilizing module 4 and no stroboscopic constant-current driven chip 5, which is electrically connected, thinks no stroboscopic
Constant-current driven chip 5 is powered, and the cathode of the LED light group 6 and the N poles of alternating current are electrically connected, the anode of the LED light group 6
It is electrically connected with the output terminal of no stroboscopic constant-current driven chip 5.
The input terminal of the output terminal of rectifying and voltage-stabilizing module 4 and no stroboscopic constant-current driven chip 5, which is electrically connected, thinks no stroboscopic
Constant-current driven chip 5 is powered, and the anode of the LED light group 6 and the L poles of alternating current are electrically connected, the cathode of the LED light group 6
It is electrically connected with the output terminal of no stroboscopic constant-current driven chip 5.
Using no stroboscopic constant-current driven chip 5 in the design LED drive unit 1 so that the electric current of driving LED light group 6 floats
It is dynamic to greatly reduce so that LED light group 6 does not have stroboscopic, protects the eyes of user, meanwhile, phase between adjacent LED drive unit 1
It is mutually in parallel, it does not interfere with each other, the design LED light string is very easy to use without stroboscopic eyeshield, simple in structure.
As Figure 1-Figure 4, LED drive unit 1 includes having access to the first plug 2, the Neng Gouyu of external ac power source
First plug 2 engages the second plug 3, and the second plug 3 is engaged so that adjacent LED with the first plug 2 of another LED drive unit 1
It is parallel with one another between driving unit 1；
First plug 2 includes the extreme sons 21 of the first L that can connect alternating current L poles and can connect alternating current N poles the
The extreme sons 22 of one N, the second plug 3 include the extreme sons 31 of the 2nd L that can connect alternating current L poles and can connect alternating current N
The extreme sons 32 of 2nd N of pole, the extreme sons 31 of extreme son 21 and the 2nd L of the first L are electrically connected by L poles busbar 71, and the first N is extreme
The extreme sons 32 of son 22 and the 2nd N are electrically connected by N poles busbar 72, and the input terminal of the rectifying and voltage-stabilizing module 4 is respectively correspondingly
It is electrically connected with L poles busbar 71, N poles busbar 72.
According to second embodiment and the connection structure of 3rd embodiment, the cathode of LED light group 6 be connected with N poles busbar 72 or
The anode of person's LED light group 6 is connected with L poles busbar 71.
Wherein, the design without stroboscopic constant-current driven chip 5 can use BP9918B chips, and LED light group 6 can include
At least two LED string parallel with one another, can also only have a LED string, and rectifying and voltage-stabilizing module 4 includes half-wave rectifying circuit
And regulator circuit.
First plug 2 of first LED drive unit 1 needs the alternating current outside access, the LED drive unit after being
1 power supply, adjacent LED drive unit 1 form strip lamp string by the mating connection between the first plug 2 and the second plug 3,
In each LED drive unit 1, rectifying and voltage-stabilizing module 4 is powered to AC rectification voltage stabilizing and for no stroboscopic constant-current driven chip 5,
The cathode of LED light group 6 is electrically connected with the first plug 2, the second plug 3, and the anode of LED light group 6 drives core with no stroboscopic constant current
The output terminal connection of piece 5, one, this structure is responsible for the driving of a LED light group 6 without stroboscopic constant-current driven chip 5, and passes through
First plug 2 and the second plug 3, which are connected, causes each LED drive unit 1 to be in parallel connection, does not interfere with each other, the design
It is simple in structure, it is very easy to use.
Switch block is internally provided with without stroboscopic constant-current driven chip 5 herein, is operated by switch block driving LED light group,
Accordingly based upon the difference of concrete structure, electric current by LED light group by switch block after by no stroboscopic constant-current driven chip 5
Ground terminal outflow.
The design further includes fuse RF, fuse RF respectively with L poles busbar or N poles busbar, rectifying and voltage-stabilizing module 4
It is electrically connected, fuse RF can prevent that the electric current that enters in circuit element is excessive, causes to impact to it.
The design further includes sampling module 8, and the no stroboscopic constant-current driven chip 5 includes sampling end, which divides
It is not electrically connected with sampling end, rectifying and voltage-stabilizing module 4, sampling module 8 includes resistance R1 and resistance R2 parallel with one another, nothing herein
Stroboscopic constant-current driven chip 5 detects the pressure drop of sampling end, so that according to this Signal Regulation without stroboscopic constant-current driven chip output terminal
On-state rate, change and flow through the size of 6 electric current of LED light group, LED light group 6 can be some groups of lamp strings in parallel, be adopted by adjusting
Egf block 8, adjusts the size of no 5 output current of stroboscopic constant-current driven chip, so as to ensure the normal work of LED light group 6.
The foregoing is merely the present invention preferred embodiments, the present invention is not limited to the above embodiment, if with
Essentially identical means realize that the technical solution of the object of the invention is belonged within protection scope of the present invention.
Claims (9)
- A kind of 1. lamp string of eyeshield without stroboscopic, it is characterised in that：Including at least two LED drive units, LED drive unit includes The rectifying and voltage-stabilizing module that is electrically connected successively, without stroboscopic constant-current driven chip, LED light group；Between several LED drive units, the L poles with alternating current, N poles are electrically connected the input terminal of rectifying and voltage-stabilizing module respectively, And the input terminal of rectifying and voltage-stabilizing module and the input terminal of the rectifying and voltage-stabilizing module of other LED drive units are accordingly electrically connected It is so that parallel with one another between several LED drive units.
- A kind of 2. lamp string of eyeshield without stroboscopic according to claim 1, it is characterised in that：The output terminal of rectifying and voltage-stabilizing module It is electrically connected with the input terminal of no stroboscopic constant-current driven chip and thinks that no stroboscopic constant-current driven chip is powered, the LED light group Respectively correspondingly the cathode output end with no stroboscopic constant-current driven chip, cathode output end are electrically connected for cathode, anode.
- A kind of 3. lamp string of eyeshield without stroboscopic according to claim 1, it is characterised in that：The output terminal of rectifying and voltage-stabilizing module It is electrically connected with the input terminal of no stroboscopic constant-current driven chip and thinks that no stroboscopic constant-current driven chip is powered, the LED light group The N poles of cathode and alternating current are electrically connected, and the anode of the LED light group and the output terminal of no stroboscopic constant-current driven chip electrically connect Connect.
- A kind of 4. lamp string of eyeshield without stroboscopic according to claim 1, it is characterised in that：The output terminal of rectifying and voltage-stabilizing module It is electrically connected with the input terminal of no stroboscopic constant-current driven chip and thinks that no stroboscopic constant-current driven chip is powered, the LED light group The L poles of anode and alternating current are electrically connected, and the cathode of the LED light group and the output terminal of no stroboscopic constant-current driven chip electrically connect Connect.
- A kind of 5. lamp string of eyeshield without stroboscopic according to claim 1, it is characterised in that：The LED drive unit includes Have access to the first plug of external ac power source, the second plug can be engaged with the first plug, the second plug drives with another LED First plug of moving cell is engaged so that parallel with one another between adjacent LED driving unit；First plug includes the extreme sons of the first L that can connect alternating current L poles and the first N that can connect alternating current N poles is extreme Son, the second plug are extreme including the 2nd L extremely sons that can connect alternating current L poles and the 2nd N that can connect alternating current N poles Son, the extreme sons of the first L are electrically connected with the extreme sons of the 2nd L by L poles busbar, and the extreme sons of the first N pass through N with the 2nd extreme sons of N Pole busbar is electrically connected, and the input terminal of the rectifying and voltage-stabilizing module is respectively correspondingly electrically connected with L poles busbar, N poles busbar.
- A kind of 6. lamp string of eyeshield without stroboscopic according to claim 5, it is characterised in that：Fuse RF is further included, the guarantor Dangerous silk RF is electrically connected with L poles busbar or N poles busbar, the input terminal of rectifying and voltage-stabilizing module respectively.
- A kind of 7. lamp string of eyeshield without stroboscopic according to claim 1, it is characterised in that：Sampling module is further included, it is described No stroboscopic constant-current driven chip includes sampling end, which is electrically connected with sampling end, rectifying and voltage-stabilizing module respectively.
- A kind of 8. lamp string of eyeshield without stroboscopic according to claim 7, it is characterised in that：The sampling module includes mutual Resistance R1 and resistance R2 in parallel.
- A kind of 9. lamp string of eyeshield without stroboscopic according to claim 1, it is characterised in that：The LED light group is included at least Two LED string parallel with one another.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711334724.XA CN107995735A (en) | 2017-12-14 | 2017-12-14 | A kind of lamp string of eyeshield without stroboscopic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711334724.XA CN107995735A (en) | 2017-12-14 | 2017-12-14 | A kind of lamp string of eyeshield without stroboscopic |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107995735A true CN107995735A (en) | 2018-05-04 |
Family
ID=62038190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711334724.XA Pending CN107995735A (en) | 2017-12-14 | 2017-12-14 | A kind of lamp string of eyeshield without stroboscopic |
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| Country | Link |
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| CN (1) | CN107995735A (en) |
Citations (6)
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| US20070263385A1 (en) * | 2005-03-21 | 2007-11-15 | He Shan Lide Electronic Enterprise Company Ltd. | Flexible Cable Light Capable Of Generating The Visual Effect Of Flowing Water |
| CN201167425Y (en) * | 2008-02-27 | 2008-12-17 | 天津工业大学 | Human body induction type white light LED intelligent lighting control system |
| CN203416450U (en) * | 2013-02-28 | 2014-01-29 | 成都茂扬电子科技股份有限公司 | Flicker-eliminating LED drive circuit |
| CN105142300A (en) * | 2015-09-23 | 2015-12-09 | 广州硅能照明有限公司 | Strobe-free LED alternating-current driving device and method |
| CN204993965U (en) * | 2015-07-30 | 2016-01-20 | 深圳市爱徳光电子有限公司 | Fluorescent lamp does not have stroboscopic power supply circuit |
| CN206743614U (en) * | 2017-05-31 | 2017-12-12 | 安徽康佳绿色照明技术有限公司 | A kind of easily toning light modulation and LED and its drive circuit without stroboscopic |
-
2017
- 2017-12-14 CN CN201711334724.XA patent/CN107995735A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070263385A1 (en) * | 2005-03-21 | 2007-11-15 | He Shan Lide Electronic Enterprise Company Ltd. | Flexible Cable Light Capable Of Generating The Visual Effect Of Flowing Water |
| CN201167425Y (en) * | 2008-02-27 | 2008-12-17 | 天津工业大学 | Human body induction type white light LED intelligent lighting control system |
| CN203416450U (en) * | 2013-02-28 | 2014-01-29 | 成都茂扬电子科技股份有限公司 | Flicker-eliminating LED drive circuit |
| CN204993965U (en) * | 2015-07-30 | 2016-01-20 | 深圳市爱徳光电子有限公司 | Fluorescent lamp does not have stroboscopic power supply circuit |
| CN105142300A (en) * | 2015-09-23 | 2015-12-09 | 广州硅能照明有限公司 | Strobe-free LED alternating-current driving device and method |
| CN206743614U (en) * | 2017-05-31 | 2017-12-12 | 安徽康佳绿色照明技术有限公司 | A kind of easily toning light modulation and LED and its drive circuit without stroboscopic |
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