CN206686406U - One kind exchange is straight to drive LED light source module system - Google Patents
One kind exchange is straight to drive LED light source module system Download PDFInfo
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- CN206686406U CN206686406U CN201720381276.8U CN201720381276U CN206686406U CN 206686406 U CN206686406 U CN 206686406U CN 201720381276 U CN201720381276 U CN 201720381276U CN 206686406 U CN206686406 U CN 206686406U
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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 a kind of straight drive LED light source module system of exchange, including prime overpressure protection circuit, rectifier bridge module, rear class overpressure protection circuit, LED drive circuit and LED light source；The input of prime overpressure protection circuit is connected with electric main；The output end of prime overpressure protection circuit is connected with the rectification input of rectifier bridge module；LED light source is made up of each LED being sequentially connected in series；The rectification output end of rectifier bridge module is connected to the signal end of LED drive circuit and the positive pole of LED light source after rear class overpressure protection circuit；The output end of LED drive circuit is connected with the negative pole of LED light source；The equal integrated installation of foregoing circuit is on aluminium base.The exchange directly drives LED light source module system and light source and power unit is integrated on aluminium base, whole lamp cost can be effectively controlled, and light fixture more flexibly, is shortened the manufacturing cycle in structure design, and without life-span shorter electrochemical capacitor in circuit, the service life of light fixture can be greatly improved.
Description
Technical field
A kind of LED light source module system is the utility model is related to, especially a kind of exchange is straight to drive LED light source module system.
Background technology
Second half year national standard in 2016《Road and tunnel illumination LED and module interface specification》Pass through the pact of standard
Beam is limited for the product of each family and uniformly, finally realizes stronger interchangeability.Therefore LED light source module illuminates out of doors
The advantage in field becomes apparent.LED roads lights are typically made up of luminous component, driving power, lamp casing three parts.Wherein
The cost of driving power part accounts for 20% or so of whole light fixture cost.Therefore, power supply is combined with luminous component, can had
The cost of the control light fixture of effect, makes finished product have the stronger market competitiveness.
At present on the market conventional supporting power supplys of LED typically use for switching mode constant current drive mode.But switching mode
The electronic component that constant current drive mode uses is more, and contains electrochemical capacitor in circuit, and the life-span of electrochemical capacitor is shorter, direct shadow
Ring the life-span of complete machine；Switching mode constant current drive mode is such as wanted to obtain high power factor, need to increase power factor correction circuit, increase
The cost of product；The conversion of power supply, line are carried out in switching mode constant current drive mode circuit using non-linear elements such as inductance, electric capacity
Road electromagnetic disturbance and spacing electromagnetic radiation are larger.
The content of the invention
The technical problems to be solved in the utility model is：The electronic component that existing switching mode constant current drive mode uses compared with
It is more, and contain electrochemical capacitor in circuit, and the life-span of electrochemical capacitor is shorter, directly affects the life-span of complete machine, and using electricity in circuit
The non-linear elements such as sense, electric capacity carry out the conversion of power supply, and circuit electromagnetic disturbance and spacing electromagnetic radiation are larger.
In order to solve the above-mentioned technical problem, the utility model provides a kind of straight drive LED light source module system of exchange, including
Prime overpressure protection circuit, rectifier bridge module, rear class overpressure protection circuit, LED drive circuit and LED light source；Prime superpressure
The input of protection circuit is used to be connected with electric main；The output end of prime overpressure protection circuit and the rectification of rectifier bridge module
Input is connected；LED light source is made up of each LED being sequentially connected in series；The rectification output end of rectifier bridge module passes through rear class superpressure
The signal end of LED drive circuit and the positive pole of LED light source are connected to after protection circuit；The output end and LED of LED drive circuit
The negative pole of light source is connected；Prime overpressure protection circuit, rectifier bridge module, rear class overpressure protection circuit, LED drive circuit and
The equal integrated installation of LED light source is on aluminium base.
It is integrated in using by light source and power unit on aluminium base, can effectively controls whole lamp cost, and tying light fixture
In structure design more flexibly, the manufacturing cycle is shortened；Without the electrochemical capacitor that the life-span is shorter in circuit, making for light fixture can be greatly improved
Use the life-span；High power factor is achieved with without power factor correction circuit；Do not disturbed using non-linear element, electromagnetism such as inductance
Disturb smaller, can be tested completely by electromagnetic compatibility safety；There is ground connection ground wire in aluminum-based circuit board, ensure that the safety of people.
As further limits scheme of the present utility model, prime overpressure protection circuit includes resettable fuse F1 and pressure
Quick resistance RV1；Resettable fuse F1 one end is connected to the live wire of electric main, and the other end is connected to the of rectifier bridge module
One ac input end；Second ac input end of rectifier bridge module is connected to the center line of electric main；Piezo-resistance RV1 both ends
It is connected on the first ac input end and the second ac input end of rectifier bridge module.When input terminal voltage is too high, pressure
Quick resistance RV1 absorbs rapidly, and resettable fuse F1 disconnects, and when voltage recovers, resettable fuse F1 recovers conducting.
As further limits scheme of the present utility model, rear class overpressure protection circuit include resistance R1, resistance R2 and
Piezo-resistance RV2；The positive pole rectification output end and LED drive circuit of rectifier bridge module are serially connected in after resistance R1 and resistance R2 parallel connections
Signal end between；The negative pole rectification output end of piezo-resistance RV2 one end connection rectifier bridge module, the other end drive with LED
The signal end of circuit is connected；The negative pole rectification output end ground connection of rectifier bridge module.Resistance R1, resistance R 2, piezo-resistance RV2 exist
The absorption to instantaneous pressure is played in rectifier bridge rear end, plays the protective effect to late-class circuit.
As further limits scheme of the present utility model, LED drive circuit includes the first driver element circuit, the second drive
Moving cell circuit and the 3rd driver element circuit；First driver element circuit includes IC driving chips U1, resistance R3, resistance R4
And electric capacity C1；Second driver element circuit includes IC driving chips U2, resistance R5, resistance R6 and electric capacity C2；3rd driving
Element circuit includes IC driving chips U3, resistance R7, resistance R8 and electric capacity C3；LED light source by LED1, LED2, LED3,
LED4, LED5, LED6, LED7, LED8, LED9, LED10, LED11, LED12, LED13 and LED14 are followed in series to form；IC
Four tunnel output ends pair of driving chip U1 four tunnel output ends, IC driving chips U2 four tunnel output ends and IC driving chips U3
It should interconnect, and first via output end is connected to LED14 negative pole, the second tunnel output end is connected to LED13 negative pole, and the 3rd road is defeated
Go out the negative pole that end is connected to LED11, the 4th tunnel output end is connected to LED7 negative pole；LED14 positive pole is connected to rear class superpressure
Protection circuit；IC driving chip U1, IC driving chip U2 and IC driving chips U3 current controling end passes through resistance respectively
R3, resistance R5 and resistance R7 ground connection；IC driving chip U1, IC driving chip U2 and IC driving chips U3 power end point
It is not grounded by electric capacity C1, electric capacity C2 and electric capacity C3；IC driving chip U1, IC driving chip U2 and IC driving chips U3
Voltage input end respectively by resistance R4, resistance R6 and resistance R8 merge after be used as LED drive circuit signal end connection
To rear class overpressure protection circuit.
The beneficial effects of the utility model are：（1）Light source and power unit are integrated, can effectively be controlled whole
Lamp cost, and light fixture more flexibly, is shortened the manufacturing cycle in structure design；（2）LED light source module is shorter without the life-span
Electrochemical capacitor, the service life of light fixture can be greatly improved；（3）High power factor is achieved with without power factor correction circuit；
（4）For LED light source module not using non-linear elements such as inductance, electromagnetic disturbance is smaller, can be surveyed completely by electromagnetic compatibility safety
Examination；（5）There is ground connection ground wire on LED light source module wiring board, ensure that the safety of people.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model；
Fig. 2 is circuit structure schematic diagram of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
As illustrated in fig. 1 and 2, the disclosed exchange of the utility model is straight drives LED light source module system, including prime overpressure protection
Circuit, rectifier bridge module, rear class overpressure protection circuit, LED drive circuit and LED light source.
Wherein, the input of prime overpressure protection circuit is used to be connected with electric main；Prime overpressure protection circuit it is defeated
Go out end with the rectification input of rectifier bridge module to be connected；LED light source is made up of each LED being sequentially connected in series；Rectifier bridge module
Rectification output end is connected to the signal end of LED drive circuit and the positive pole of LED light source after rear class overpressure protection circuit；
The output end of LED drive circuit is connected with the negative pole of LED light source；Prime overpressure protection circuit, rectifier bridge module, rear class superpressure are protected
Protection circuit, LED drive circuit and the equal integrated installation of LED light source are on aluminium base.
Prime overpressure protection circuit includes resettable fuse F1 and piezo-resistance RV1；Resettable fuse F1 one end
The live wire of electric main is connected to, the other end is connected to the first ac input end of rectifier bridge module；The second of rectifier bridge module
Ac input end is connected to the center line of electric main；Piezo-resistance RV1 both ends are connected to the first friendship of rectifier bridge module
Flow on input and the second ac input end.
Rear class overpressure protection circuit includes resistance R1, resistance R2 and piezo-resistance RV2；After resistance R1 and resistance R2 parallel connections
It is serially connected between the positive pole rectification output end of rectifier bridge module and the signal end of LED drive circuit；Piezo-resistance RV2 one end connects
The negative pole rectification output end of rectifier bridge module is connect, the other end is connected with the signal end of LED drive circuit；The negative pole of rectifier bridge module
Rectification output end is grounded.
LED drive circuit includes the first driver element circuit, the second driver element circuit and the 3rd driver element circuit；
First driver element circuit includes IC driving chips U1, resistance R3, resistance R4 and electric capacity C1；Second driver element circuit includes
IC driving chips U2, resistance R5, resistance R6 and electric capacity C2；3rd driver element circuit include IC driving chips U3, resistance R7,
Resistance R8 and electric capacity C3；LED light source by LED1, LED2, LED3, LED4, LED5, LED6, LED7, LED8, LED9, LED10,
LED11, LED12, LED13 and LED14 are followed in series to form；IC driving chips U1 four tunnel output ends, IC driving chips U2
Four tunnel output ends and IC driving chips U3 four tunnel output ends it is corresponding interconnect, and first via output end is connected to LED14's
Negative pole, the second tunnel output end are connected to LED13 negative pole, and the 3rd tunnel output end is connected to LED11 negative pole, the 4th tunnel output end
It is connected to LED7 negative pole；LED14 positive pole is connected to rear class overpressure protection circuit；IC driving chip U1, IC driving chips U2
And IC driving chips U3 current controling end is grounded by resistance R3, resistance R5 and resistance R7 respectively；IC driving chips U1,
IC driving chip U2 and IC driving chips U3 power end is grounded by electric capacity C1, electric capacity C2 and electric capacity C3 respectively；IC drives
Dynamic chip U1, IC driving chip U2 and IC driving chip U3 voltage input end passes through resistance R4, resistance R6 and electricity respectively
Signal end after resistance R8 merging as LED drive circuit is connected to rear class overpressure protection circuit.
LED drive circuit and LED light source are integrated on same aluminium base by the utility model.In Fig. 2, prime superpressure is protected
Protection circuit and rear class overpressure protection circuit protection circuit are by resettable fuse F1, piezo-resistance RV1, resistance R1, resistance R2, pressure
Quick resistance RV2 compositions, when input terminal voltage is too high, piezo-resistance RV1 absorbs rapidly, and resettable fuse F1 disconnects, and works as electricity
When pressure is recovered, resettable fuse F1 recovers conducting；Resistance R1, resistance R 2, piezo-resistance RV2 are played pair in rectifier bridge rear end
The absorption of instantaneous pressure, play the protective effect to late-class circuit.
In Fig. 2, rectifier bridge module D1 is connected by resettable fuse F1, piezo-resistance RV1 with electric main, for inciting somebody to action
Electric main carries out full-wave rectification as pulsating direct current electricity output to LED drive circuit and LED light source.IC driving chips U1, IC drive
Dynamic chip U2 and IC driving chip U3 OUT1 pin are used in parallel to OUT4 pin difference, and are connected with LED light source, drive LED
It is luminous.Resistance R3, resistance R5, resistance R7 are used for the output current for setting IC driving chips；Electric capacity C1, electric capacity C2, electric capacity C3 are
System provides more preferable anti-electromagnetic interference capability；Resistance R4, resistance R6, resistance R8 connect with the signal end of IC driving chips, are
IC module for power supply.
LED light source in LED light source module system is 14.14 are cascaded, and wherein LED1 ~ LED7 is by U1-U3
OUT1 pin driving；LED1 ~ LED11 is driven by U1-U3 OUT2 pin；LED1 ~ LED13 is driven by U1-U3 OUT3 pin；
LED1-LED14 is driven by U1-U3 OUT4 pin；Driving order is driven by three IC respectively according to the change of sine wave 0 to peak value
The OUT1 pin of chip drive to OUT4 castors stream.
IC driving chips U1-U3 uses SM2315E High Power Factor linear constant current power supplys IC；RV1 and RV2 are used
MOV7D471 model piezo-resistances；Rectifier bridge module is realized using MB6S chips；Resettable fuse F1 uses F25T-020H types
Number resettable fuse.
The utility model has the advantages that：
（1）The utility model integrates the light source of light fixture and power unit, can effectively control whole lamp cost, and
Light fixture is set more flexibly, to shorten the manufacturing cycle in structure design.
（2）LED light source module of the present utility model is free of life-span shorter electrochemical capacitor, can greatly improve the use of light fixture
Life-span.
（3）The utility model is achieved with high power factor without power factor correction circuit.
（4）LED light source module of the present utility model is not using non-linear elements such as inductance, and electromagnetic disturbance is smaller, completely
It can be tested by electromagnetic compatibility safety.
（5）There is ground connection ground wire on LED light source module wiring board of the present utility model, ensure that the safety of people.
Claims (4)
1. one kind exchange is straight to drive LED light source module system, it is characterised in that：Including prime overpressure protection circuit, rectifier bridge module,
Rear class overpressure protection circuit, LED drive circuit and LED light source；The input of prime overpressure protection circuit is used for exchanging city
It is electrically connected；The output end of prime overpressure protection circuit is connected with the rectification input of rectifier bridge module；LED light source by going here and there successively
Each LED of connection is formed；The rectification output end of rectifier bridge module is connected to LED drive circuit after rear class overpressure protection circuit
Signal end and LED light source positive pole；The output end of LED drive circuit is connected with the negative pole of LED light source；Prime overpressure protection
Circuit, rectifier bridge module, rear class overpressure protection circuit, LED drive circuit and the equal integrated installation of LED light source are on aluminium base.
2. exchange according to claim 1 is straight to drive LED light source module system, it is characterised in that：Prime overpressure protection circuit
Including resettable fuse F1 and piezo-resistance RV1；Resettable fuse F1 one end is connected to the live wire of electric main, another
End is connected to the first ac input end of rectifier bridge module；Second ac input end of rectifier bridge module is connected to electric main
Center line；Piezo-resistance RV1 both ends are connected on the first ac input end and the second ac input end of rectifier bridge module.
3. exchange according to claim 1 is straight to drive LED light source module system, it is characterised in that：Rear class overpressure protection circuit
Including resistance R1, resistance R2 and piezo-resistance RV2；The positive pole that rectifier bridge module is serially connected in after resistance R1 and resistance R2 parallel connections is whole
Flow between output end and the signal end of LED drive circuit；The negative pole rectification of piezo-resistance RV2 one end connection rectifier bridge module is defeated
Go out end, the other end is connected with the signal end of LED drive circuit；The negative pole rectification output end ground connection of rectifier bridge module.
4. exchange according to claim 1 is straight to drive LED light source module system, it is characterised in that：LED drive circuit includes the
One driver element circuit, the second driver element circuit and the 3rd driver element circuit；First driver element circuit drives including IC
Dynamic chip U1, resistance R3, resistance R4 and electric capacity C1；Second driver element circuit includes IC driving chips U2, resistance R5, resistance
R6 and electric capacity C2；3rd driver element circuit includes IC driving chips U3, resistance R7, resistance R8 and electric capacity C3；LED light source
By LED1, LED2, LED3, LED4, LED5, LED6, LED7, LED8, LED9, LED10, LED11, LED12, LED13 and
LED14 is followed in series to form；IC driving chips U1 four tunnel output ends, IC driving chips U2 four tunnel output ends and IC drivings
Chip U3 four tunnel output ends are corresponding to be interconnected, and first via output end is connected to LED14 negative pole, and the second tunnel output end is connected to
LED13 negative pole, the 3rd tunnel output end are connected to LED11 negative pole, and the 4th tunnel output end is connected to LED7 negative pole；LED14
Positive pole be connected to rear class overpressure protection circuit；IC driving chip U1, IC driving chip U2 and IC driving chips U3 electricity
Flow control end is grounded by resistance R3, resistance R5 and resistance R7 respectively；IC driving chip U1, IC driving chips U2 and IC
Driving chip U3 power end is grounded by electric capacity C1, electric capacity C2 and electric capacity C3 respectively；IC driving chip U1, IC driving chips
U2 and IC driving chips U3 voltage input end is used as LED and driven after merging respectively by resistance R4, resistance R6 and resistance R8
The signal end of dynamic circuit is connected to rear class overpressure protection circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720381276.8U CN206686406U (en) | 2017-04-12 | 2017-04-12 | One kind exchange is straight to drive LED light source module system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720381276.8U CN206686406U (en) | 2017-04-12 | 2017-04-12 | One kind exchange is straight to drive LED light source module system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206686406U true CN206686406U (en) | 2017-11-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720381276.8U Active CN206686406U (en) | 2017-04-12 | 2017-04-12 | One kind exchange is straight to drive LED light source module system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106888523A (en) * | 2017-04-12 | 2017-06-23 | 南京中电熊猫照明有限公司 | One kind exchange is straight to drive LED light source module system |
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2017
- 2017-04-12 CN CN201720381276.8U patent/CN206686406U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106888523A (en) * | 2017-04-12 | 2017-06-23 | 南京中电熊猫照明有限公司 | One kind exchange is straight to drive LED light source module system |
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