CN208158938U - Decompression rectifier filter circuit - Google Patents
Decompression rectifier filter circuit Download PDFInfo
- Publication number
- CN208158938U CN208158938U CN201820421909.8U CN201820421909U CN208158938U CN 208158938 U CN208158938 U CN 208158938U CN 201820421909 U CN201820421909 U CN 201820421909U CN 208158938 U CN208158938 U CN 208158938U
- Authority
- CN
- China
- Prior art keywords
- resistance
- module
- capacitor
- connect
- triode
- 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.)
- Expired - Fee Related
Links
Classifications
-
- 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]
Landscapes
- Rectifiers (AREA)
Abstract
The utility model discloses decompression rectifier filter circuits; including power module and rectification filtering module; the power module includes power supply and power source protective module, and the rectification filtering module includes load blocks, filter module, rectification module, and load blocks, filter module and rectification module connect；Load blocks include resistance R1, the capacitor C1 and capacitor C4 in parallel with resistance R1, and rectification module uses rectifier bridge；The utility model provides that a kind of structure is simple, and low in cost, good illumination effect, low energy consumption, the decompression rectifier filter circuit with long service life for fluorescent lamp.
Description
Technical field
The utility model relates to fluorescent lamp fields, more specifically, it is related to decompression rectifier filter circuit.
Background technique
With the development of lighting engineering, LED daylight lamp can be popularized sooner or later between following 10 years to 20 years.And such as
What realizes low price, height illumination, low energy consumption, environmentally protective, and the service life LED daylight lamp of length is to be become in the epoch.
Summary of the invention
The utility model provides that a kind of structure is simple, and low in cost, good illumination effect, low energy consumption, with long service life
Decompression rectifier filter circuit for fluorescent lamp.
The technical solution of the utility model is as follows：
Decompression rectifier filter circuit, including power module and rectification filtering module, the power module include power supply and electricity
Source protection module, the rectification filtering module include load blocks, filter module, rectification module, load blocks, filter module with
Rectification module connection；Load blocks include resistance R1, the capacitor C1 and capacitor C4 in parallel with resistance R1, and rectification module is using rectification
Bridge, filter module include inductance L1, capacitor C3, capacitor C2, resistance R4, resistance R3, resistance R2 and triode X1, and the one of inductance L1
End is connect with one end of capacitor C3, and capacitor C2, resistance R4 are connected in parallel on capacitor C3, and resistance R3 connects with triode X1, resistance R3
The other end connect with one end of one end of inductance L1, capacitor C3, the other both ends of triode X1 are another with capacitor C3 respectively
End is connected with one end of resistance R2.
Further, the rectifier bridge has four endpoints altogether, wherein one end of first endpoint and load blocks connects, the
Two endpoints are connect with the other end of inductance L1, and third endpoint is connect with power module, and the 4th endpoint is another with resistance R2's
One end connection.
Further, the other end of resistance R2 is connect with the molten C3 other end of electricity.
Further, the protective module of the power supply includes resistance R5, resistance R6, resistance R7 and triode X2, triode
X2 uses thyristor, and one end of resistance R5 is connect with one end of resistance R6, the other end of resistance R5 and one end, three poles of resistance R7
The pole K of pipe connects, and the other end of resistance R6 and the pole G of triode connect, and the pole A of triode is connect simultaneously with the other end of resistance R7
Ground connection.
Advantage is the utility model compared with prior art：The design of the utility model structure is simple, reasonable, easy to make,
Practical, production cost is relatively low, easily promotes the use of.The utility model proposes a kind of removal high frequency section, load electricity
Flatten weighing apparatus, low in cost, practicability and the good circuit design of reliability of power supply output protection.
Detailed description of the invention
Fig. 1 is the rectification filtering module circuit diagram of the utility model；
Fig. 2 is the power source protective module circuit diagram of the utility model.
Specific embodiment
The present invention will be further described below with reference to the accompanying drawings and specific embodiments.
As shown in Figure 1 to Figure 2, decompression rectifier filter circuit, including power module and rectification filtering module use in LED
Electric current no more than its specification stationary value, overloading for a long time not will increase brightness not only (white light LEDs can go out under high current
Existing saturated phenomenon, luminous efficiency are greatly lowered), but also LED life can be shortened, influence the reliability of LED illumination circuit.By
After LED forward conduction, the tiny variation of forward voltage will cause being widely varied for LED current, and therefore, it is necessary to defeated
Output protection circuit is arranged in outlet.The power module includes power supply and power source protective module.The protective module packet of the power supply
Resistance R5, resistance R6, resistance R7 and triode X2 are included, triode X2 uses thyristor, one end of resistance R5 and the one of resistance R6
End connection, the other end of resistance R5 are connect with the pole K of one end of resistance R7, triode, the other end of resistance R6 and the G of triode
Pole connection, the pole A of triode and the other end connect and ground of resistance R7.
The rectification filtering module includes load blocks, filter module, rectification module, load blocks, filter module with it is whole
Flow module connection；Load blocks include resistance R1, the capacitor C1 and capacitor C4 in parallel with resistance R1, and wherein C1, C4 are in parallel
Two identical capacitors, so that output end obtains smooth load voltage, output voltage is more smooth, and ripple value is smaller.Rectification
Module uses rectifier bridge, rectifies to input ac voltage.Filter module includes inductance L1, capacitor C3, capacitor C2, resistance
One end of R4, resistance R3, resistance R2 and triode X1, inductance L1 are connect with one end of capacitor C3, and capacitor C2, resistance R4 are connected in parallel on
On capacitor C3, resistance R3 is connect with the pole the G control electrode of triode X1 with triode X1 series connection, the other end and inductance of resistance R3
One end connection of one end, capacitor C3 of L1, the other both ends (pole A anode and the pole K cathode) of triode X1 are respectively with capacitor C3's
The other end is connected with one end of resistance R2.The rectifier bridge has four endpoints altogether, wherein the one of first endpoint and load blocks
End connection, second endpoint are connect with the other end of inductance L1, and third endpoint is connect with power module, the 4th endpoint and electricity
Hinder the other end connection of R2.The other end of resistance R2 is connect with the molten C3 other end of electricity.Capacitor C2 is filter capacitor, whole for filtering out
The alternating component in output voltage is flowed, L1, C3 are used to filter out the radio-frequency component in output voltage.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
Art personnel can also make several improvements and modifications without departing from the concept of the premise utility, these improvements and modifications
Also it should be regarded as in scope of protection of the utility model.
Claims (4)
1. decompression rectifier filter circuit, which is characterized in that including power module and rectification filtering module, the power module includes
Power supply and power source protective module, the rectification filtering module include load blocks, filter module, rectification module, load blocks, filter
Wave module is connect with rectification module；Load blocks include resistance R1, the capacitor C1 and capacitor C4 in parallel with resistance R1, rectification module
Using rectifier bridge, filter module includes inductance L1, capacitor C3, capacitor C2, resistance R4, resistance R3, resistance R2 and triode X1, electricity
One end of sense L1 is connect with one end of capacitor C3, and capacitor C2, resistance R4 are connected in parallel on capacitor C3, and resistance R3 and triode X1 go here and there
Connection, the other end of resistance R3 connect with one end of one end of inductance L1, capacitor C3, the other both ends of triode X1 respectively with capacitor
The other end of C3 is connected with one end of resistance R2.
2. decompression rectifier filter circuit according to claim 1, it is characterised in that：The rectifier bridge has four endpoints altogether,
Wherein one end of first endpoint and load blocks connects, and second endpoint is connect with the other end of inductance L1, third endpoint
It is connect with power module, the 4th endpoint is connect with the other end of resistance R2.
3. decompression rectifier filter circuit according to claim 2, it is characterised in that：The other end of resistance R2 and the molten C3 of electricity are another
One end connection.
4. decompression rectifier filter circuit according to claim 1, it is characterised in that：The protective module of the power supply includes electricity
Resistance R5, resistance R6, resistance R7 and triode X2, resistance R5 one end connect with one end of resistance R6, the other end of resistance R5 and
The pole the K connection of one end, triode of resistance R7, the other end of resistance R6 and the pole G of triode connect, the pole A of triode and electricity
Hinder the other end connect and ground of R7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820421909.8U CN208158938U (en) | 2018-03-27 | 2018-03-27 | Decompression rectifier filter circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820421909.8U CN208158938U (en) | 2018-03-27 | 2018-03-27 | Decompression rectifier filter circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208158938U true CN208158938U (en) | 2018-11-27 |
Family
ID=64380444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820421909.8U Expired - Fee Related CN208158938U (en) | 2018-03-27 | 2018-03-27 | Decompression rectifier filter circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208158938U (en) |
-
2018
- 2018-03-27 CN CN201820421909.8U patent/CN208158938U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107979899A (en) | A kind of linear general pump feeds constant-current circuit and has its LED light | |
| US8723433B2 (en) | Power transformation apparatus between DC light element and ballast | |
| CN202918541U (en) | LED drive circuit compatible with fluorescent lamp ballast | |
| CN203279255U (en) | Drive circuit of LED fluorescent lamp | |
| CN208158938U (en) | Decompression rectifier filter circuit | |
| CN205726557U (en) | A kind of compatible LED circuit | |
| KR20110084606A (en) | Led lighting circuit with stabilizer for fluorescent lamp of boost-up type | |
| CN205005320U (en) | Driving circuit of light -emitting diode (LED) fluorescent tube | |
| CN104735837A (en) | LED street lamp power supply without power frequency ripples and with APFC function | |
| CN204350389U (en) | A kind of LED drive power circuit | |
| CN207995445U (en) | A kind of linear general pump feed constant-current circuit and the LED light with it | |
| CN204652709U (en) | The linear LED drive power of dividing potential drop rectification falls in non-polar condenser | |
| CN203537623U (en) | LED driving power supply | |
| CN104853473A (en) | LED fluorescent lamp circuit employing fluorescent lamp electronic ballast for driving and LED fluorescent lamp | |
| CN201651941U (en) | Light-emitting diode (LED) energy-saving lamp | |
| CN204291510U (en) | LED daylight lamp circuit, LED daylight lamp that a kind of electronic ballast for fluoresent lamp drives | |
| CN203596952U (en) | Mixed constant current LED lamp | |
| CN103687209A (en) | Alternating-current drive circuit of LED streetlight | |
| CN104582185A (en) | LED driving power supply circuit | |
| CN204377187U (en) | A kind of LED Modular street lamp with single-stage PFC control circuit | |
| CN103619093A (en) | A LED integrated light source | |
| CN203951638U (en) | A kind of circuit of LED lamp driver | |
| CN103148391A (en) | LED lamp capable of directly replacing ballast fluorescent tube, and device of LED lamp | |
| CN106455200B (en) | A kind of effective method and circuit for extending the LED power service life | |
| CN206506750U (en) | A kind of supply unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181127 Termination date: 20210327 |