CN207589245U - A kind of lamp string of eyeshield without stroboscopic - Google Patents
A kind of lamp string of eyeshield without stroboscopic Download PDFInfo
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- CN207589245U CN207589245U CN201721765351.7U CN201721765351U CN207589245U CN 207589245 U CN207589245 U CN 207589245U CN 201721765351 U CN201721765351 U CN 201721765351U CN 207589245 U CN207589245 U CN 207589245U
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- stroboscopic
- poles
- rectifying
- voltage
- electrically connected
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Abstract
The utility model discloses a kind of lamp string of eyeshield without stroboscopic, and including at least two LED drive units, LED drive unit includes the rectifying and voltage-stabilizing module being electrically connected successively, without stroboscopic constant-current driven chip, LED light group；Between several LED drive units, the input terminal of rectifying and voltage-stabilizing module is electrically connected respectively with the L poles of alternating current, N poles, 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 utility model is related to lighting area, particularly a kind of lamp string of the eyeshield without stroboscopic.
Background technology
LED lighting technology has been widely used, and previous LED light string, stroboscopic is serious, and it is serious that stroboscopic is used for a long time in people
LED light string can cause serious injury to eyes, while on circuit structure, and general LED light string driving 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, it sometimes can be initial
Behind LED string, continue several LED string of connecting, the voltage and current of power drives offer and LED string 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.
Utility model content
In order to solve the above technical problems, the purpose of this utility model is to provide a kind of no stroboscopic, eyeshield, simple in structure, make
With the LED drive circuit that facilitates and can be sequentially connected in series strip lamp string.
The technical solution adopted in the utility model is：
A kind of lamp string of eyeshield without stroboscopic, including at least two LED drive units, LED drive unit is included successively electrically
The rectifying and voltage-stabilizing module of connection, without stroboscopic constant-current driven chip, LED light group；
Between several LED drive units, the input terminal of rectifying and voltage-stabilizing module extremely electrically connects respectively with the L poles of alternating current, N
It connects, 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.
No flash constant is thought in the output terminal of rectifying and voltage-stabilizing module and the input terminal electric connection of no stroboscopic constant-current driven chip
Driving chip power supply is flowed, anode, the cathode of the LED light group are respectively correspondingly exported with the anode of no stroboscopic constant-current driven chip
End, cathode output end are electrically connected.
No flash constant is thought in the output terminal of rectifying and voltage-stabilizing module and the input terminal electric connection of no stroboscopic constant-current driven chip
Flow driving chip power supply, the N 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.
No flash constant is thought in the output terminal of rectifying and voltage-stabilizing module and the input terminal electric connection of no stroboscopic constant-current driven chip
Flow driving chip power supply, the L 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 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
It crosses 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
It connects.
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.
The beneficial effects of the utility model：
The utility model LED drive circuit, including at least one LED drive unit, using no stroboscopic in LED drive unit
Constant-current driven chip so that the current floating of LED light group is driven to greatly reduce so that LED light group does not have stroboscopic, protects user's
Eyes, 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
Simply, it is very easy to use.
Description of the drawings
Specific embodiment of the present utility model is described further below in conjunction with the accompanying drawings.
Fig. 1 is the circuit diagram of the utility model LED drive circuit first embodiment.
Fig. 2 is the circuit diagram of the utility model LED drive circuit second embodiment.
Fig. 3 is the circuit diagram of the utility model LED drive circuit 3rd embodiment.
Fig. 4 is the circuit diagram of the utility model LED drive circuit.
Specific embodiment
As Figure 1-Figure 4, the utility model LED drive circuit, including at least two LED drive units 1, LED drivings
Unit 1 includes the rectifying and voltage-stabilizing module 4 being electrically connected successively, without stroboscopic constant-current driven chip 5, LED light group 6；
Between several LED drive units, the input terminal of rectifying and voltage-stabilizing module 4 is extremely electrical with the L poles of alternating current, N respectively
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 drives without stroboscopic constant-current driven chip 5, LED light group 6 according to no stroboscopic constant current
The difference of chip signal, there are many connection relations, as shown in Figure 1-Figure 3,
No stroboscopic is thought in the output terminal of rectifying and voltage-stabilizing module 4 and the input terminal electric connection of no stroboscopic constant-current driven chip 5
Constant-current driven chip 5 is powered, the anode of the LED light group 6, cathode respectively correspondingly with no stroboscopic constant-current driven chip 5 just
Pole output terminal, cathode output end are electrically connected.
No stroboscopic is thought in the output terminal of rectifying and voltage-stabilizing module 4 and the input terminal electric connection of no stroboscopic constant-current driven chip 5
Constant-current driven chip 5 is powered, and the anode of the LED light group 6 and the N 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.
No stroboscopic is thought in the output terminal of rectifying and voltage-stabilizing module 4 and the input terminal electric connection of no stroboscopic constant-current driven chip 5
Constant-current driven chip 5 is powered, and the cathode of the LED light group 6 and the L 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.
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 with the first plug 2 of another LED drive unit 1 so that adjacent LED
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 anode of LED light group 6 connect with N poles busbar 72 or
The cathode of person's LED light group 6 is connect with L poles busbar 71.
Wherein, without stroboscopic constant-current driven chip 5 BP9918B chips may be used in the design, 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 anode of LED light group 6 is electrically connected with the first plug 2, the second plug 3, and the cathode 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 the electric current entered in circuit element excessive, it is caused to impact.
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, thus 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 several 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 preferred embodiments of the utility model, the utility model is not limited to above-mentioned embodiment party
Formula, if with essentially identical means realize the technical solution of the utility model aim belong to the scope of protection of the utility model it
It is interior.
Claims (9)
1. a kind of 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 input terminal of rectifying and voltage-stabilizing module is electrically connected respectively with the L poles of alternating current, N poles,
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.
2. a kind of lamp string of eyeshield without stroboscopic according to claim 1, it is characterised in that：The output terminal of rectifying and voltage-stabilizing module
Input terminal electric connection with no stroboscopic constant-current driven chip thinks that no stroboscopic constant-current driven chip is powered, the LED light group
Anode, cathode are respectively correspondingly electrically connected with the cathode output end of no stroboscopic constant-current driven chip, cathode output end.
3. a kind of lamp string of eyeshield without stroboscopic according to claim 1, it is characterised in that：The output terminal of rectifying and voltage-stabilizing module
Input terminal electric connection with no stroboscopic constant-current driven chip thinks that no stroboscopic constant-current driven chip is powered, the LED light group
The N 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
It connects.
4. a kind of lamp string of eyeshield without stroboscopic according to claim 1, it is characterised in that：The output terminal of rectifying and voltage-stabilizing module
Input terminal electric connection with no stroboscopic constant-current driven chip thinks that no stroboscopic constant-current driven chip is powered, the LED light group
The L 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
It connects.
5. a kind of lamp string of eyeshield without stroboscopic according to claim 1, it is characterised in that：The LED drive unit includes
It has 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 include the extreme sons of the 2nd L that can connect alternating current L poles and can connect alternating current N poles the 2nd N it is 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 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.
6. a kind of 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 respectively with L poles busbar or N poles busbar, the input terminal of rectifying and voltage-stabilizing module.
7. a kind of 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 respectively with sampling end, rectifying and voltage-stabilizing module.
8. a kind of lamp string of eyeshield without stroboscopic according to claim 7, it is characterised in that：The sampling module includes mutual
Resistance R1 in parallel and resistance R2.
9. a kind of 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 |
|---|---|---|---|
| CN201721765351.7U CN207589245U (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 |
|---|---|---|---|
| CN201721765351.7U CN207589245U (en) | 2017-12-14 | 2017-12-14 | A kind of lamp string of eyeshield without stroboscopic |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207589245U true CN207589245U (en) | 2018-07-06 |
Family
ID=62738401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721765351.7U Expired - Fee Related CN207589245U (en) | 2017-12-14 | 2017-12-14 | A kind of lamp string of eyeshield without stroboscopic |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207589245U (en) |
-
2017
- 2017-12-14 CN CN201721765351.7U patent/CN207589245U/en not_active Expired - Fee Related
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Legal Events
| 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: 20180706 Termination date: 20211214 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |