CN207118025U - Alternating current circuit module and led light source - Google Patents
Alternating current circuit module and led light source Download PDFInfo
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- CN207118025U CN207118025U CN201720799504.3U CN201720799504U CN207118025U CN 207118025 U CN207118025 U CN 207118025U CN 201720799504 U CN201720799504 U CN 201720799504U CN 207118025 U CN207118025 U CN 207118025U
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- alternating current
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Abstract
It the utility model is related to a kind of alternating current circuit module and LED light source.The alternating current circuit module includes low-pass filter circuit, current rectifying and wave filtering circuit, reduction voltage circuit, rectifying output circuit, control circuit module component and control circuit.One end of the low-pass filter circuit is directly accessed mains electricity, and the other end of the low-pass filter circuit, the current rectifying and wave filtering circuit, the reduction voltage circuit and the rectifying output circuit are electrically connected successively.The current rectifying and wave filtering circuit, the control circuit module component, the control circuit and the reduction voltage circuit form a closed loop circuit.Connected mode between each circuit and modular assembly of the alternating current circuit module is simple.The LED light source of various needs is combined into by the alternating current circuit module can, facilitates the design and assembling of light source and light fixture, production design cost is low.And the power of the alternating current circuit module in use avoids certain energy waste within 15W.
Description
Technical field
LED field is the utility model is related to, more particularly to alternating current circuit module and LED light source.
Background technology
LED has significant energy-conservation and life-span advantage as forth generation lighting source.With the development of society, daily life
Lighting energy consumption problem in work becomes increasingly conspicuous, and therefore, has the LED power module of notable power savings advantages increasingly by the green grass or young crops of people
Look at.LED light source needs alternating current circuit module drive to support.Traditional LED lamp without standardization alternating current circuit module, and
The power of alternating current circuit module is of a relatively high.In production process is designed, each lamps ＆ lanterns factory needs to design corresponding electricity according to order
Road, design cost occupy high.In use, the power of alternating current circuit module consumption is higher, can cause a certain degree of energy
Waste.And alternating current circuit module can not be applicable different light fixtures simultaneously.
Utility model content
Based on this, it is necessary to which the alternating current circuit module for traditional LED light source without standardization, the production that result in are set
Meter cost occupies the problem of high, consumption power is higher and instinct is applicable different light fixtures simultaneously, there is provided a kind of alternating current circuit mould
Block and LED light source.
A kind of alternating current circuit module, including low-pass filter circuit, current rectifying and wave filtering circuit, reduction voltage circuit, control circuit, control
Circuit module component and rectifying output circuit；
One end of the low-pass filter circuit is directly accessed mains electricity；
The other end of the low-pass filter circuit, the current rectifying and wave filtering circuit, the reduction voltage circuit and rectification output
Circuit is electrically connected successively；
The current rectifying and wave filtering circuit, the control circuit, the reduction voltage circuit and control circuit module component composition
One closed loop circuit.
In one embodiment, the low-pass filter circuit includes：One X2 electric capacity, two Y2 electric capacity；
The X2 electric capacity is parallel between live wire-zero line, and DM EMI is strobed；
Two Y2 electric capacity are parallel to live wire-between ground wire and neutral-ground respectively, play filtering to common mode disturbances and make
With.
In one embodiment, the current rectifying and wave filtering circuit includes rectifier bridge, capacitive filter, the rectifier bridge and described
Capacitive filter is connected in parallel.
In one embodiment, the reduction voltage circuit is connected with the current rectifying and wave filtering circuit and the rectifying output circuit,
For carrying out decompression processing to the voltage of the current rectifying and wave filtering circuit；
The reduction voltage circuit includes buck inductor, and the buck inductor is used to store or discharge electric energy.
In one embodiment, the rectifying output circuit includes commutation diode and electrochemical capacitor, the pole of rectification two
Pipe and the electrochemical capacitor are connected in parallel；
After alternating current is switched to direct current by the commutation diode, filtered by the electrochemical capacitor, the rectification output
Circuit outwardly provides filtered direct current.
In one embodiment, the control circuit includes chip controls unit, constant current compensating unit, switch control unit
And pulse modulation unit；
The constant current compensating unit electrically connects with the chip controls unit, for the electric current to the chip controls unit
Constant current compensation is carried out, so that the chip controls unit normal work；
The switch control unit electrically connects with the chip controls unit, for controlling the reduction voltage circuit and the control
The break-make of circuit processed；
The pulse modulation unit electrically connects with the chip controls unit, for controlling the arteries and veins of the chip controls unit
Punching input.
In one embodiment, the control circuit module component includes accessory power supply and micro-control unit, the auxiliary
Power supply electrically connects with the micro-control unit；
The accessory power supply is used to provide direct current 5V voltages for the micro-control unit；
The micro-control unit is used for output pulse width modulated signal to the control circuit.
A kind of LED light source, including LED light source component and alternating current circuit module described above, the LED light source component with
The alternating current circuit modular electrical connection.
In one embodiment, the LED light source component includes PCB lamp board and the LED being located in the PCB lamp board
Pearl.
In one embodiment, the control circuit module component controls the light modulation and toning of the LED lamp bead.
The utility model provides a kind of alternating current circuit module and LED light source.The alternating current circuit module includes LPF
Circuit, current rectifying and wave filtering circuit, reduction voltage circuit, rectifying output circuit, control circuit module component and control circuit.Each electricity
Road and modular assembly constitute the alternating current circuit module of standardization.One end of the low-pass filter circuit is directly accessed mains
Electricity, the other end of the low-pass filter circuit, the current rectifying and wave filtering circuit, the reduction voltage circuit and the rectifying output circuit according to
Secondary electrical connection.The current rectifying and wave filtering circuit, the control circuit module component, the control circuit and the reduction voltage circuit group
Into a closed loop circuit.Connected mode between each circuit and modular assembly of the alternating current circuit module is simple.By described
Alternating current circuit module can is combined into the LED light source of various needs, facilitates the design and assembling of light source and light fixture, and production is set
It is low to count cost.And the power of the alternating current circuit module in use avoids certain energy wave within 15W
Take.
Brief description of the drawings
Fig. 1 is the block diagram for the alternating current circuit module that the utility model one embodiment provides；
Fig. 2 is the schematic diagram for the alternating current circuit module that the utility model one embodiment provides；
Fig. 3 is the circuit diagram for the low-pass filter circuit that the utility model one embodiment provides；
Fig. 4 is the circuit diagram for the current rectifying and wave filtering circuit that the utility model one embodiment provides；
Fig. 5 is the circuit diagram for the reduction voltage circuit that the utility model one embodiment provides；
Fig. 6 is the circuit diagram for the control circuit that the utility model one embodiment provides；
Fig. 7 is the circuit diagram for the rectifying output circuit that the utility model one embodiment provides；
Fig. 8 is the circuit diagram for the control circuit module component that the utility model one embodiment provides；
Fig. 9 is the circuit theory diagrams for the LED light source that the utility model one embodiment provides.
Drawing reference numeral explanation：
Alternating current circuit module 10
LED light source 20
Low-pass filter circuit 100
Current rectifying and wave filtering circuit 200
Rectifier bridge 210
Capacitive filter 220
Reduction voltage circuit 300
Buck inductor 310
Control circuit 400
Chip controls unit 410
Constant current compensating unit 420
Switch control unit 430
Pulse modulation unit 440
Control circuit module component 500
Accessory power supply 510
Micro-control unit 520
Light modulation and toning unit 530
Rectifying output circuit 600
Commutation diode 610
Electrochemical capacitor 620
LED light source component 700
PCB lamp board 710
LED lamp bead 720
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Alternating current circuit module of the present utility model and LED light source are further described example.It is it should be appreciated that described herein specific
Embodiment only to explain the utility model, is not used to limit the utility model.
Refer to Fig. 1-Fig. 2, the block diagram for the alternating current circuit module 10 that the utility model one embodiment provides.The exchange
Circuit module 10 includes：Low-pass filter circuit 100, current rectifying and wave filtering circuit 200, reduction voltage circuit 300, control circuit 400, control electricity
Road modular assembly 500 and rectifying output circuit 600；
One end of the low-pass filter circuit 100 is directly accessed mains electricity；
The other end of the low-pass filter circuit 100, the current rectifying and wave filtering circuit 200, the reduction voltage circuit 300 and described
Rectifying output circuit 600 is electrically connected successively；
The current rectifying and wave filtering circuit 200, the control circuit 400, the reduction voltage circuit 300 and the control circuit module
Component 500 forms a closed loop circuit.
In the present embodiment, the low-pass filter circuit 100, the current rectifying and wave filtering circuit 200, the reduction voltage circuit 300, institute
State rectifying output circuit 600, the control circuit module component 500 and the control circuit 400 and form the alternating current circuit mould
Block 10.Connected mode between each circuit and modular assembly of the alternating current circuit module 10 is simple.Specifically, above-mentioned electricity
The setting of attachment structure and the control circuit 400 between road and component enables the power of the alternating current circuit module 10
Enough it is maintained within 15W, avoids certain energy waste.Meanwhile it is combined into by the can of alternating current circuit module 10
The LED light source of various needs, facilitates the design and assembling of light source and light fixture, and production design cost is low.
Referring to Fig. 3, in one embodiment, the low-pass filter circuit 100 includes：One X2 electric capacity, two Y2 electricity
Hold.The X2 electric capacity is parallel between live wire-zero line (L-N), and DM EMI is strobed.Two Y2 electric capacity difference
It is parallel between live wire-ground wire and neutral-ground (L-G and N-G), common mode disturbances is strobed.
Specifically, the low-pass filter circuit 100 includes：Common mode inductance L1, L2, filter capacitor X2, Y2.When being total to
When mould disturbs, because the flow direction of two coils of L1 and L2 is identical, total inductance amount increases rapidly after overcoupling.Therefore to altogether
Very big induction reactance is presented in mould signal, is allowed to not easily pass through.X2 electric capacity is mainly used to filter out series mode interference.Y2 is connected across input,
And by the neutral earthing of capacitor, effectively suppression common mode it can disturb.
In one embodiment, referring to Fig. 4, the current rectifying and wave filtering circuit 200 includes rectifier bridge 210, capacitive filter
220.The rectifier bridge 210 and the capacitive filter 220 are connected in parallel.The rectifier bridge 210 is led using the unidirectional of diode
Electrically achievable rectification.The capacitive filter 220 is the direct current of pulsation is become steady using electric capacity charging and discharging
Direct current.The rectifier bridge 210 is used for rectification, filters out ripple and improves power.
In one embodiment, the reduction voltage circuit 300 and the current rectifying and wave filtering circuit 200 and the rectifying output circuit
600 connections, for carrying out decompression processing to the voltage of the current rectifying and wave filtering circuit 200.Referring to Fig. 5, the reduction voltage circuit 300
Including buck inductor 310, the buck inductor 310 is used to store or discharge electric energy.The specific decompression electricity 310 can be height
Frequency power transformer T1.
In one embodiment, the rectifying output circuit 600 includes commutation diode 610 and electrochemical capacitor 620, described
Commutation diode 610 and the electrochemical capacitor 620 are connected in parallel.After alternating current is switched to direct current by the commutation diode 610,
Filtered by the electrochemical capacitor 620, the rectifying output circuit 600 outwardly provides filtered direct current.
In one embodiment, referring to Fig. 6, the control circuit 400 includes chip controls unit 410, constant current compensates
Unit 420, switch control unit 430 and pulse modulation unit 440.
The constant current compensating unit 420 electrically connects with the chip controls unit 410, for the chip controls unit
410 electric current carries out constant current compensation, so that the normal work of chip controls unit 410.
The switch control unit 430 electrically connects with the chip controls unit 410, for controlling the reduction voltage circuit
300 with the break-make of the control circuit 400.
The pulse modulation unit 440 electrically connects with the chip controls unit 410, for controlling the chip controls list
The pulse input of member 410.Specifically, the chip controls unit 410 can use SY5802A chips.The SY5802A chips
1 pin and 2 pins connect the constant current compensating unit 420.The constant current compensating unit 420 is used for the chip controls list
Member 410 provides normal operating current.The 4 pins ground connection of the SY5802A chips.
3 pins of the SY5802A chips and 5 pins connect the switch control unit 430.The switch control unit
430 include a controlling switch M1.During the switch M1 conductings of the control circuit 400, the energy storage of reduction voltage circuit 300；The control
When the switch M1 of circuit 400 processed is closed, the reduction voltage circuit 300 releases energy.
6 pins, 7 pins and 8 pins of the SY5802A chips connect the pulse modulation unit 440.The pulse is adjusted
Unit 440 processed includes multiple electric capacity, multiple resistance, two diodes, a voltage-stabiliser tube and a metal-oxide-semiconductor.Specifically, the pulse is adjusted
The connected mode of electronic device described in unit 440 processed can be selected according to the different designs thinking of designer.Through institute
Pulse-modulated signal PWM1 is exported after stating chip controls unit 410 and the modulation of the pulse modulation unit 440.
Specifically, the chip controls unit 410 and electric capacity C4, C5, C6 are in parallel.Described electric capacity C4, C5, C6 play filtering
Effect.The chip controls unit 410 and the metal-oxide-semiconductor Q1 are in parallel.The chip controls unit 410 and the metal-oxide-semiconductor Q1 rise
To switch control action.Chip controls unit 410 and resistance R9, R10, R34 series connection.Described resistance R9, R10, R34 are played
Partial pressure acts on.Chip controls unit 410 and diode D2, D3 series connection.Described diode D2, D3 play rectified action.This
In embodiment, the chip controls unit 410 can make constant current hold.The chip controls unit 410 can be to circuit
Overvoltage, excessively stream and excess temperature device to protective effect.
More specifically, in one embodiment, the reduction voltage circuit 300 includes transformer T1.The control circuit 400
Include chip controls unit 410, constant current compensating unit 420, switch control unit 430 and pulse modulation unit 440.When described
When switching tube M1 is encouraged and turned on by pwm pulse in switch control unit 430, DC input voitage is applied to high frequency transformer T1
Armature winding on.Now equivalent to one pure inductance of NP, flows through NP electric current linear rise, and power supply energy is deposited in the form of magnetic energy
Storage is in inductance.Referring to Fig. 7, the secondary commutation diode D7 cut-offs in the rectifying output circuit 600, output capacitance E7 give
Load supplying, convert electrical energy into magnetic energy.When switching tube Q1 ends, because inductive current can not be mutated, T1 armature winding
The both end voltage pole reversal, the voltage polarity reversal on T1 secondary windings turn on D1.The energy stored on T1 armature winding
Amount is sent to T1 secondary windings, there is provided load current, while charged to output capacitance, magnetic energy is changed to electric energy.
In one embodiment, referring to Fig. 8, the control circuit module component 500 includes accessory power supply 510 and micro-control
Unit 520 processed, the accessory power supply 510 electrically connect with the micro-control unit 520；
The accessory power supply 510 is used to provide direct current 5V voltages for the micro-control unit 520；
The micro-control unit 520 is used for output pulse width modulated signal to the control circuit 400.
Specifically, the control circuit module component 500 can control the shut-off of light source and the brightness of light source.The auxiliary
Power supply 510 is used to provide direct current 5V voltages for the micro-control unit 520.More specifically, the accessory power supply 510 and described micro-
Can be connected between control unit 520 other be used for adjust electronic device.The micro-control unit 520 is wide for exporting pulse
Modulated signal is spent to the control circuit 400.In the control circuit module component 500, U2 can use SC91F711M08V
Chip, the SC91F711M08V chips can produce two pwm signals of PWM1 and PWM2.Referring to Fig. 9, provide a kind of LED
Light source 20.The LED light source 20 includes LED light source component 700 and alternating current circuit module 10 described above.The LED light source
Component 700 is electrically connected with the alternating current circuit module 10.
In the present embodiment, the LED light source 20 can be any form of light source.The colour temperature of the LED light source 20, light
Effect, illumination, aberration etc. all can be designed and adjusted by the alternating current circuit module 10.
In one embodiment, the LED light source component 700 includes PCB lamp board 710 and is arranged on the PCB lamp board 710
On LED lamp bead 720.
In one embodiment, the control circuit module component 500 controls the light modulation and toning of the LED lamp bead 720.
Specifically, the control circuit module component 500 can be completed to the LED by the light modulation in such as Fig. 2 and toning unit 530
The light modulation and toning of lamp bead 720.Specifically, the light modulation and toning unit 530 can be by the control circuit module components 500
Pulse signal PWM2 is provided.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope that this specification is recorded all is considered to be.
Embodiment described above only expresses several embodiments of the present utility model, and its description is more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent scope.It should be pointed out that the common skill for this area
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
1. a kind of alternating current circuit module, it is characterised in that including low-pass filter circuit (100), current rectifying and wave filtering circuit (200), drop
Volt circuit (300), control circuit (400), control circuit module component (500) and rectifying output circuit (600)；
One end of the low-pass filter circuit (100) is directly accessed mains electricity；
The other end, the current rectifying and wave filtering circuit (200), the reduction voltage circuit (300) and the institute of the low-pass filter circuit (100)
Rectifying output circuit (600) is stated to be electrically connected successively；
The current rectifying and wave filtering circuit (200), the control circuit (400), the reduction voltage circuit (300) and the control circuit mould
Block assembly (500) forms a closed loop circuit.
2. alternating current circuit module as claimed in claim 1, it is characterised in that the low-pass filter circuit (100) includes：One
X2 electric capacity, two Y2 electric capacity；
The X2 electric capacity is parallel between live wire-zero line, and DM EMI is strobed；
Two Y2 electric capacity are parallel to live wire-between ground wire and neutral-ground, strobed to common mode disturbances respectively.
3. alternating current circuit module as claimed in claim 1, it is characterised in that the current rectifying and wave filtering circuit (200) includes rectification
Bridge (210), capacitive filter (220), the rectifier bridge (210) and the capacitive filter (220) are connected in parallel.
4. alternating current circuit module as claimed in claim 1, it is characterised in that the reduction voltage circuit (300) is filtered with the rectification
Wave circuit (200) and the rectifying output circuit (600) connection, for the voltage progress to the current rectifying and wave filtering circuit (200)
Decompression is handled；
The reduction voltage circuit (300) includes buck inductor (310), and the buck inductor (310) is used to store or discharge electric energy.
5. alternating current circuit module as claimed in claim 1, it is characterised in that the rectifying output circuit (600) includes rectification
Diode (610) and electrochemical capacitor (620), the commutation diode (610) and the electrochemical capacitor (620) are connected in parallel；
After alternating current is switched to direct current by the commutation diode (610), filtered by the electrochemical capacitor (620), it is described whole
Stream output circuit (600) outwardly provides filtered direct current.
6. alternating current circuit module as claimed in claim 1, it is characterised in that the control circuit (400) includes chip controls
Unit (410), constant current compensating unit (420), switch control unit (430) and pulse modulation unit (440)；
The constant current compensating unit (420) electrically connects with the chip controls unit (410), for the chip controls unit
(410) electric current carries out constant current compensation, so that the chip controls unit (410) normal work；
The switch control unit (430) electrically connects with the chip controls unit (410), for controlling the reduction voltage circuit
(300) with the break-make of the control circuit (400)；
The pulse modulation unit (440) electrically connects with the chip controls unit (410), for controlling the chip controls list
The pulse input of first (410).
7. alternating current circuit module as claimed in claim 1, it is characterised in that the control circuit module component (500) includes
Accessory power supply (510) and micro-control unit (520), the accessory power supply (510) electrically connect with the micro-control unit (520)；
The accessory power supply (510) is used to provide direct current 5V voltages for the micro-control unit (520)；
The micro-control unit (520) is used for output pulse width modulated signal to the control circuit (400).
8. a kind of LED light source, it is characterised in that the LED light source (20) includes LED light source component (700) and claim 1-7
Any one of alternating current circuit module (10), the LED light source component (700) and the alternating current circuit module (10) are electric
Connection.
9. LED light source as claimed in claim 8, it is characterised in that the LED light source component (700) includes PCB lamp board
And the LED lamp bead (720) that is arranged in the PCB lamp board (710) (710).
10. LED light source as claimed in claim 9, it is characterised in that described in control circuit module component (500) control
The light modulation and toning of LED lamp bead (720).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720799504.3U CN207118025U (en) | 2017-07-04 | 2017-07-04 | Alternating current circuit module and led light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720799504.3U CN207118025U (en) | 2017-07-04 | 2017-07-04 | Alternating current circuit module and led light source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207118025U true CN207118025U (en) | 2018-03-16 |
Family
ID=61586603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720799504.3U Active CN207118025U (en) | 2017-07-04 | 2017-07-04 | Alternating current circuit module and led light source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207118025U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2022087803A (en) * | 2020-12-01 | 2022-06-13 | 怡迅（珠▲海▼）光電科技有限公司 | Lamp control system and control method thereof |
-
2017
- 2017-07-04 CN CN201720799504.3U patent/CN207118025U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2022087803A (en) * | 2020-12-01 | 2022-06-13 | 怡迅（珠▲海▼）光電科技有限公司 | Lamp control system and control method thereof |
| JP7330244B2 (en) | 2020-12-01 | 2023-08-21 | 怡迅（珠▲海▼）光電科技有限公司 | Lamp control system and its control method |
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