CN208549050U - A kind of industrial and mineral lamp power circuit - Google Patents
A kind of industrial and mineral lamp power circuit Download PDFInfo
- Publication number
- CN208549050U CN208549050U CN201821319536.XU CN201821319536U CN208549050U CN 208549050 U CN208549050 U CN 208549050U CN 201821319536 U CN201821319536 U CN 201821319536U CN 208549050 U CN208549050 U CN 208549050U
- Authority
- CN
- China
- Prior art keywords
- circuit
- capacitor
- industrial
- filter
- lamp power
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Rectifiers (AREA)
Abstract
The utility model provides a kind of industrial and mineral lamp power circuit, including EMC filter circuit, current rectifying and wave filtering circuit, power factor correction circuit, square-wave generator circuit, resonance circuit and secondary commutation filter circuit.The utility model improves the working efficiency of complete machine by reducing electronic component quantity, the probability of machine failure is reduced from failure occurring source and reducing the power consumption of complete machine, to realize circuit simple and stable, occupy little space, high-efficient feature.
Description
Technical field
The utility model belongs to bulkhead lamp field, and in particular to a kind of industrial and mineral lamp power circuit.
Background technique
As semiconductor lighting industry rapidly develops, the requirement of reliability and transformation efficiency to power supply is higher and higher, will
Power volume, which reduces design philosophy, increasingly to be advocated by the people.Traditional power supply generallys use following scheme: electromagnetic interference part
Device is handled using vertical processing, transformer portion and power device part using discrete.The volume that this scheme occupies is big,
Space utilization rate is not high, cannot achieve small size
Utility model content
Therefore, the purpose of this utility model is to provide a kind of industrial and mineral lamp power circuits, can reduce the volume of power supply, real
The small size of existing lamps and lanterns.
In order to achieve the above objectives, a kind of industrial and mineral lamp power circuit, including EMC filter circuit, current rectifying and wave filtering circuit, power because
Plain correcting circuit, square-wave generator circuit, resonance circuit and secondary commutation filter circuit, the EMC filter circuit, the rectification
Filter circuit, the power factor correction circuit, the square-wave generator circuit, the resonance circuit and secondary commutation filter
Connection relationship between wave circuit is to be sequentially connected in series；The EMC filter circuit input terminal connects power supply, the secondary commutation filtering
Circuit output end connection load.
Preferably, the power supply is alternating current, and fuse F1 is equipped between the power supply and the EMC filter circuit.
Preferably, the EMC filter circuit is set altogether there are two common mode inductance, respectively common mode inductance L1 and common mode inductance
L2, the common mode inductance are flat wire common mode inductance, are parallel with capacitor between two common mode inductances.Flat wire common mode electricity
Sense, has the characteristics that volume small sensible weight is big
Preferably, the current rectifying and wave filtering circuit includes rectifying device D4, energy storage device L4, capacitor C6 and capacitor C7, described
Energy storage device L4 connects with the rectifying device D4, and the capacitor C6 and the capacitor C7 are in parallel with the energy storage device.Electricity
Hold C6 and institute capacitor C7 by π type filtering removal high-frequency interferencing signal, supplies power factor correction circuit
Preferably, the power factor correction circuit includes energy storage inductor L3, switching tube Q1, sustained diode 7 and filtering
Capacitor C9, the switching tube Q1 connect with the energy storage inductor L3, and the sustained diode 7 is in parallel with the energy storage inductor L3,
The filter capacitor C9 is in parallel with the sustained diode 7.Realize that PFC exports stable direct current supply square wave hair
Raw device circuit
Preferably, the square-wave generator circuit is composed in series by switching tube Q2 and switching tube Q3.Switching tube Q2 and switch
Pipe Q3 composition, the square wave that conducting generates 50% duty ratio in turn supply resonance circuit.
Preferably, the resonance circuit is made of transformer T1 and capacitor C11.By changing switching frequency, keep resonance electric
Road intrinsic standoff ratio changes, and stablizes armature winding input voltage, to stabilize the output voltage.
Preferably, the secondary commutation filter circuit is by rectifier diode D8, filter capacitor C16 and filter capacitor 19, institute
It connects after stating 19 parallel connection of filter capacitor C16 and the filter capacitor with the rectifier diode D8；The one of the filter capacitor C16
End is connect with the transformer T1.Two-way high-frequency ac current is become unidirectional high-frequency current, stablizes smooth electricity to export
Stream.
The utility model is the beneficial effects are as follows: the utility model by reducing electronic component quantity, is sent out from failure
The probability of machine failure is reduced in source of students and reduces the power consumption of complete machine, and then improves the working efficiency of complete machine, to realize
Circuit simple and stable occupies little space, high-efficient feature.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of industrial and mineral lamp power circuit of the utility model；
Fig. 2 is a kind of circuit diagram of industrial and mineral lamp power circuit of the utility model.
Wherein, 1, EMC filter circuit；2, current rectifying and wave filtering circuit；3, power factor correction circuit；4, square-wave generator electricity
Road；5, resonance circuit；6, secondary commutation filter circuit.
Specific embodiment
Below by the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment is only a part of the embodiment of the utility model, instead of all the embodiments.Based on the implementation in the utility model
Example, all other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
Specific embodiment of the present utility model is described below in conjunction with attached drawing.
Fig. 1 shows a kind of industrial and mineral lamp power circuit, including EMC filter circuit, current rectifying and wave filtering circuit, Active PFC
Circuit, square-wave generator circuit, resonance circuit and secondary commutation filter circuit, the EMC filter circuit, rectifying and wave-filtering electricity
Road, the power factor correction circuit, the square-wave generator circuit, the resonance circuit and the secondary commutation filter circuit
Between connection relationship be sequentially connected in series；The EMC filter circuit input terminal connects power supply, and the secondary commutation filter circuit is defeated
Outlet connection load.
Further, the power supply is alternating current, and fuse F1 is equipped between the power supply and the EMC filter circuit.
Further, the EMC filter circuit is set altogether there are two common mode inductance, respectively common mode inductance L1 and common mode inductance
L2, the common mode inductance are flat wire common mode inductance, are parallel with capacitor between two common mode inductances.Flat wire common mode electricity
Sense, has the characteristics that volume small sensible weight is big
Further, the current rectifying and wave filtering circuit includes rectifying device D4, energy storage device L4, capacitor C6 and capacitor C7, institute
It states energy storage device L4 to connect with the rectifying device D4, the capacitor C6 and the capacitor C7 are in parallel with the energy storage device.
Capacitor C6 and institute capacitor C7 supplies power factor correction circuit by π type filtering removal high-frequency interferencing signal
Further, the power factor correction circuit includes energy storage inductor L3, switching tube Q1, sustained diode 7 and filter
Wave capacitor C9, the switching tube Q1 connect with the energy storage inductor L3, and the sustained diode 7 and energy storage inductor L3 is simultaneously
Connection, the filter capacitor C9 are in parallel with the sustained diode 7.Realize that PFC exports stable direct current supplying party
Wave generation circuit
Further, the square-wave generator circuit is composed in series by switching tube Q2 and switching tube Q3.It switching tube Q2 and opens
Pipe Q3 composition is closed, the square wave that conducting generates 50% duty ratio in turn supplies resonance circuit.
Further, the resonance circuit is made of transformer T1 and capacitor C11.By control switch frequency, make resonance
Circuit intrinsic standoff ratio changes, and stablizes armature winding input voltage, to stabilize the output voltage.
Further, the secondary commutation filter circuit is by rectifier diode D8, filter capacitor C16 and filter capacitor 19,
It connects after 19 parallel connection of the filter capacitor C16 and the filter capacitor with the rectifier diode D8；The filter capacitor C16's
One end is connect with the transformer T1.Two-way high-frequency ac current is become unidirectional high-frequency current, is stablized smoothly to export
Electric current.
The utility model is the beneficial effects are as follows: the utility model by reducing electronic component quantity, is sent out from failure
The probability of machine failure is reduced in source of students and reduces the power consumption of complete machine, and then improves the working efficiency of complete machine, to realize
Circuit simple and stable occupies little space, high-efficient feature.
It, cannot the above content is specific preferred embodiment further detailed description of the utility model is combined
Assert that the specific implementation of the utility model is only limited to these instructions.For the ordinary skill of the utility model technical field
For personnel, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made, should all regard
To belong to the protection scope of the utility model.
Claims (8)
1. a kind of industrial and mineral lamp power circuit, which is characterized in that including EMC filter circuit, current rectifying and wave filtering circuit, Active PFC
Circuit, square-wave generator circuit, resonance circuit and secondary commutation filter circuit, the EMC filter circuit, rectifying and wave-filtering electricity
Road, the power factor correction circuit, the square-wave generator circuit, the resonance circuit and the secondary commutation filter circuit
Between connection relationship be sequentially connected in series；The EMC filter circuit input terminal connects power supply, and the secondary commutation filter circuit is defeated
Outlet connection load.
2. a kind of industrial and mineral lamp power circuit according to claim 1, which is characterized in that the power supply is alternating current, the electricity
Fuse F1 is equipped between source and the EMC filter circuit.
3. a kind of industrial and mineral lamp power circuit according to claim 1, which is characterized in that the EMC filter circuit is equipped with altogether
Two common mode inductances, respectively common mode inductance L1 and common mode inductance L2, the common mode inductance are flat wire common mode inductance, two institutes
It states and is parallel with capacitor between common mode inductance.
4. a kind of industrial and mineral lamp power circuit according to claim 1, which is characterized in that the current rectifying and wave filtering circuit includes whole
Device D4, energy storage device L4, capacitor C6 and capacitor C7 are flowed, the energy storage device L4 connects with the rectifying device D4, the electricity
It is in parallel with the energy storage device to hold the C6 and capacitor C7.
5. a kind of industrial and mineral lamp power circuit according to claim 1, which is characterized in that the power factor correction circuit packet
Include energy storage inductor L3, switching tube Q1, sustained diode 7 and filter capacitor C9, the switching tube Q1 and the energy storage inductor L3 string
Connection, the sustained diode 7 is in parallel with the energy storage inductor L3, and the filter capacitor C9 is in parallel with the sustained diode 7.
6. a kind of industrial and mineral lamp power circuit according to claim 1, which is characterized in that the square-wave generator circuit is by opening
Pipe Q2 and switching tube Q3 is closed to be composed in series.
7. a kind of industrial and mineral lamp power circuit according to claim 6, which is characterized in that the resonance circuit is by transformer T1
It is formed with capacitor C11.
8. a kind of industrial and mineral lamp power circuit according to claim 7, which is characterized in that the secondary commutation filter circuit by
Rectifier diode D8, filter capacitor C16 and filter capacitor 19, after 19 parallel connection of the filter capacitor C16 and the filter capacitor with
The rectifier diode D8 series connection；One end of the filter capacitor C16 is connect with the transformer T1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821319536.XU CN208549050U (en) | 2018-08-16 | 2018-08-16 | A kind of industrial and mineral lamp power circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821319536.XU CN208549050U (en) | 2018-08-16 | 2018-08-16 | A kind of industrial and mineral lamp power circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208549050U true CN208549050U (en) | 2019-02-26 |
Family
ID=65426209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821319536.XU Active CN208549050U (en) | 2018-08-16 | 2018-08-16 | A kind of industrial and mineral lamp power circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208549050U (en) |
-
2018
- 2018-08-16 CN CN201821319536.XU patent/CN208549050U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106332355B (en) | A kind of non-isolated no electrolytic capacitor LED drive power integrated based on Boost and Flyback circuits | |
| CN109525132A (en) | A kind of interleaved PFC constant voltage drive circuit, driving power and television set | |
| CN101534596A (en) | Filter circuit, electrodeless lamp ballast and electrodeless lamp provided with filter circuit | |
| CN108235509A (en) | A kind of single-stage LED drive circuit of integrated decompression Cuk and LLC circuits | |
| TWI514733B (en) | Non-contact transformer system | |
| CN104393762A (en) | DC-DC (direct current to direct current) converter circuit with high step-up ratio based on wireless electric energy transmission | |
| CN103391669A (en) | LED (light emitting diode) lamp lighting system | |
| CN205160832U (en) | LED drive power supply of compatible traditional fluorescent tube ballast | |
| CN104284481A (en) | Bridgeless electrolytic-capacitor-free low-ripple-wave high-power constant-current power supply of LED lamp | |
| CN110012574A (en) | A kind of mixing control LED drive circuit of the single-stage without bridge Sepic and LLC | |
| CN108322051A (en) | A kind of inverse-excitation type switch power-supply | |
| CN208549050U (en) | A kind of industrial and mineral lamp power circuit | |
| CN106851925B (en) | High efficiency single-stage LED drive device based on Flyback and Class-E | |
| CN211297024U (en) | 2.4G-A30 type lighting control circuit | |
| CN205407612U (en) | High power factor recommends DC power supply topology circuit | |
| CN201467543U (en) | Filter circuit, electrodeless lamp ballast with the same and electrodeless lamp | |
| CN211378312U (en) | LED drive circuit of transformer substation | |
| CN1284422C (en) | Low-harmonic compact type energy-saving lamp electronic ballast | |
| CN203872421U (en) | DC 12V-48V wide-voltage large-power electrodeless lamp ballast | |
| CN106208669A (en) | A kind of power supply topologies | |
| CN106998606B (en) | The two-tube list buck LED drive power device of one kind and constant current control method | |
| CN205305192U (en) | Energy -conserving circuit of new efficiency standard of ultralow stand -by power consumption of high power factor | |
| CN204089609U (en) | A kind of Switching Power Supply of LED street lamp | |
| CN206878717U (en) | LED power module provided with resonance circuit | |
| CN211297063U (en) | 2.4G-LF60 type lighting control circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 528400 No.1-2, KANGLONG Third Road, Xinmao Industrial Zone, Henglan Town, Zhongshan City, Guangdong Province Patentee after: Guangdong Dongling Power Technology Co.,Ltd. Address before: 528478 third and fourth floors, building 1, No. 3-2, KANGLONG Third Road, Xinmao Industrial Zone, Henglan Town, Zhongshan City, Guangdong Province Patentee before: ZHONGSHAN DONE LIGHTING TECHNOLOGY Co.,Ltd. |
|
| CP03 | Change of name, title or address |