CN207382652U - A kind of ultraviolet light electric ballast - Google Patents
A kind of ultraviolet light electric ballast Download PDFInfo
- Publication number
- CN207382652U CN207382652U CN201721235404.4U CN201721235404U CN207382652U CN 207382652 U CN207382652 U CN 207382652U CN 201721235404 U CN201721235404 U CN 201721235404U CN 207382652 U CN207382652 U CN 207382652U
- Authority
- CN
- China
- Prior art keywords
- circuit
- frequency
- capacitance
- input terminal
- ultraviolet light
- 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
- Circuit Arrangements For Discharge Lamps (AREA)
Abstract
The utility model provides a kind of ultraviolet light electric ballast,Including LC high-frequency filter circuits,Rectification circuit,Filter circuit,High-frequency inverter circuit,Ultraviolet radiator lighting circuit,Electronic ballast circuit,The electronic ballast circuit is internally provided with ultraviolet light electronic ballast device EB,The high-frequency inverter circuit is internally provided with the field-effect tube Q1 and high frequency transformer T of negative temperature coefficient,The utility model in high-frequency inverter circuit by using field-effect tube and high frequency transformer with negative temperature coefficient,And field-effect tube is made to be switched under zero-pressure state,Reduce switching loss,High frequency transformer output power becomes smaller after temperature rise,Ultraviolet light electric ballast is made to be in dynamic equilibrium at a certain temperature always,The utility model is provided with fuse F1 in 220V alternating current incoming ends,With abnormal protection,So that the service life of ultraviolet light electric ballast is up to 5 years or more.And the working frequency of the high-frequency inverter circuit in the utility model reaches 50KHz.
Description
Technical field
The utility model is related to ultraviolet light irradiation field more particularly to a kind of ultraviolet light electric ballasts.
Background technology
Ballast is the essential component of ultraviolet sterilization device, electric ballast can balance electric source fluctuation, for purple
Outer fluorescent tube provides stable power supply, and the alarm signal with multiple functions exports, and system is protected, the ultraviolet of early stage is killed
Bacterium device uses electromagnetic ballast, and early 1990s electric ballast is first application for low-pressure lamp UV disinfection system, and 90
Middle period in age is solved the problems, such as again with fluorescent tube is pressed in electronic ballast control, compared to electromagnetic ballast, electric ballast weight
Few 30%, volume reduces, and has and more export and generate less heat, but the service life of electronic ballast device EB
Shorter, loss is larger, causes the increase of production cost, while needs to reduce the power attenuation of circuit.
In view of this, it is necessary to provide it is a kind of be effectively increased the service life of electric ballast, while reduce energy consumption, save
The operating circuit of cost.
Utility model content
The utility model discloses a kind of ultraviolet light electric ballast, including LC high-frequency filter circuits, rectification circuit, filter
Wave circuit, high-frequency inverter circuit, ultraviolet radiator lighting circuit, electronic ballast circuit, LC high-frequency filter circuits input terminal with
220V exchange be electrically connected, LC high-frequency filter circuit output terminals are connected with rectification circuit input end, rectification circuit output end and
Filter circuit input terminal is connected, and filter circuit output terminal is connected with high-frequency inverter circuit input terminal, and high-frequency inverter circuit is defeated
Outlet is connected with ultraviolet radiator lighting circuit input terminal, and electronic ballast circuit input terminal is connected with filter circuit output terminal,
Electronic ballast circuit output terminal is connected with ultraviolet radiator lighting circuit input terminal, and electronic ballast circuit is internally provided with ultraviolet light
Electronic ballast device EB, the input terminal of electronic ballast device EB are connected with filter circuit output terminal, and electronic ballast device EB is defeated
Outlet is connected with ultraviolet radiator lighting circuit input terminal, and high-frequency inverter circuit is internally provided with the field-effect tube of negative temperature coefficient
Q1 and high frequency transformer T.
High-frequency inverter circuit is internally provided with protection circuit, and protection circuit includes resistance R1, diode D1 and diode
D2, wherein diode D1 are connected with the drain electrode of field-effect tube Q1, and diode D1 connects with diode D2, and diode D2 is imitated with field
Should the source electrode of pipe Q1 be connected, one end of resistance R1 is connected with the drain electrode of field-effect tube Q1, and the other end and the field of resistance R1 are imitated
Should the source electrode of pipe Q1 be connected；Low-voltage DC inversion is high frequency low voltage alternating current by high-frequency inverter circuit 4, then by high frequency
After transformer boosting, high voltage direct current is rectified into using rectifier filter circuit, is obtained finally by power frequency inverter circuit
220V industrial-frequency alternating currents are used for load.
LC high-frequency filter circuits include capacitance C1, capacitance C2, transformer T1, resistance R2, resistance R3, wherein capacitance C1,
Capacitance C2 is in parallel with transformer T1 respectively with resistance R2, and transformer T1 connects with resistance R3；Input reactance device can inhibit harmonic wave
The impact of surge voltage, electric current to frequency converter in electric current and weakening input circuit, weakens the unbalanced shadow of supply voltage
It rings.
Rectification circuit forms bridge rectifier by 4 diodes；The AC conversion of input is direct current by rectification circuit
AC conversion is direct current by bridge rectifier by electricity, the utility model, is made of 4 diodes.
Filter circuit includes capacitance C3, capacitance C4, capacitance C5, wherein, capacitance C4 connects to form series circuit with capacitance C5,
Capacitance C3 is in parallel with the series circuit.Filter circuit filters off the burr in electric current, will be in electric current using capacitance characteristic
Reduce the alternating component in the DC voltage of pulsation, retain its flip-flop, make the reduction of output voltage ripple coefficient, waveform becomes
It is smoother.
Further, ultraviolet radiator lighting circuit is internally provided with ultraviolet radiator EV.
Further, LC high-frequency filter circuits input terminal is connected with 220V alternating currents by fuse F1.
Compared with prior art, the beneficial effects of the utility model are：The utility model passes through in high-frequency inverter circuit
Using field-effect tube Q1 and high frequency transformer T with negative temperature coefficient, and field-effect tube Q1 is made to be opened under zero-pressure state
It closes, reduces switching loss, high frequency transformer T output powers become smaller after temperature rise, and ultraviolet light electronic ballast device EB is made to begin
Eventually at a certain temperature in dynamic equilibrium, the utility model is provided with fuse F1 in 220V alternating current incoming ends, while in
Protection circuit is provided at field-effect tube Q1, with abnormal protection, so that the long lifespan of ultraviolet light electronic ballast device EB
Up to 5 years or more.And the working frequency of the high-frequency inverter circuit in the utility model reaches 50KHz.
Description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of ultraviolet light circuit of electronic ballast attachment structure schematic diagram of the utility model；
Wherein, 1, LC high-frequency filter circuits, 2, rectification circuit, 3, filter circuit, 4, high-frequency inverter circuit, 5, ultraviolet light
Lamp lighting circuit, 6, electronic ballast circuit, 41, protection circuit.
Specific embodiment
With reference to the attached drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear
Chu and detailed description, it is clear that described embodiment is only the part of the embodiment of the utility model rather than whole reality
Apply example.Based on the embodiment in the utility model, those of ordinary skill in the art institute without making creative work
The all other embodiment obtained, shall fall within the protection scope of the present invention.Referring to Fig. 1, a kind of ultraviolet light electronic ballast
Device, including LC high-frequency filter circuits 1, rectification circuit 2, filter circuit 3, high-frequency inverter circuit 4, ultraviolet radiator lighting circuit 5,
Electronic ballast circuit 6,1 input terminal of LC high-frequency filter circuits is exchanged with 220V to be electrically connected, 1 output terminal of LC high-frequency filter circuits
It is connected with 2 input terminal of rectification circuit, 2 output terminal of rectification circuit is connected with 3 input terminal of filter circuit, and filter circuit 3 exports
End is connected with 4 input terminal of high-frequency inverter circuit, 4 output terminal of high-frequency inverter circuit and 5 input terminal phase of ultraviolet radiator lighting circuit
Connection, 6 input terminal of electronic ballast circuit are connected with 3 output terminal of filter circuit, 6 output terminal of electronic ballast circuit and ultraviolet light
5 input terminal of lamp lighting circuit is connected, and electronic ballast circuit 6 is internally provided with ultraviolet light electronic ballast device EB, electronic ballast
The input terminal of device EB is connected with 3 output terminal of filter circuit, electronic ballast device EB output terminals and ultraviolet radiator lighting circuit 5
Input terminal is connected, and high-frequency inverter circuit 4 is internally provided with the field-effect tube Q1 and high frequency transformer T of negative temperature coefficient；
High-frequency inverter circuit 4 is internally provided with protection circuit 41, and protection circuit 41 includes resistance R1, diode D1 and two poles
Pipe D2, wherein diode D1 are connected with the drain electrode of field-effect tube Q1, and diode D1 connects with diode D2, diode D2 with
The source electrode of field-effect tube Q1 is connected, and one end of resistance R1 is connected with the drain electrode of field-effect tube Q1, the other end of resistance R1 with
The source electrode of field-effect tube Q1 is connected；Low-voltage DC inversion is high frequency low voltage alternating current by high-frequency inverter circuit 4, is then passed through
After high frequency transformer boosting, high voltage direct current is rectified into using rectifier filter circuit, finally by power frequency inverter circuit
220V industrial-frequency alternating currents are obtained to use for load.
LC high-frequency filter circuits 1 include capacitance C1, capacitance C2, transformer T1, resistance R2, resistance R3, wherein capacitance C1,
Capacitance C2 is in parallel with transformer T1 respectively with resistance R2, and transformer T1 connects with resistance R3；Input reactance device can inhibit harmonic wave
The impact of surge voltage, electric current to frequency converter in electric current and weakening input circuit, weakens the unbalanced shadow of supply voltage
It rings.
Rectification circuit 2 forms bridge rectifier by 4 diodes；The AC conversion of input is direct current by rectification circuit
AC conversion is direct current by bridge rectifier by electricity, the utility model, is made of 4 diodes.
Filter circuit 3 includes capacitance C3, capacitance C4, capacitance C5, wherein, capacitance C4 connects to form series electrical with capacitance C5
Road, capacitance C3 are in parallel with the series circuit.Filter circuit filters off the burr in electric current, using capacitance characteristic, by electricity
Reduce the alternating component in the DC voltage of pulsation in stream, retain its flip-flop, make the reduction of output voltage ripple coefficient, waveform
Become smoother.
Ultraviolet radiator lighting circuit is internally provided with ultraviolet radiator EV.
LC high-frequency filter circuits input terminal is connected with 220V alternating currents by fuse F1.
220V alternating currents are entered by 1 input terminal of LC high-frequency filter circuits, by LC high-frequency filter circuits 1 to circuit
Current Voltage is adjusted, and electric current enters 2 input terminal of rectification circuit from 1 output terminal of LC high-frequency filter circuits, and rectification circuit 2 will
AC conversion is direct current, and electric current is entered by 2 output terminal of rectification circuit in filter circuit 3, and the clutter in electric current is filtered off,
Electric current is respectively enterd in high-frequency inverter circuit 4 and electronic ballast circuit, while is used in high-frequency inverter circuit 4 with negative temperature system
Several field-effect tube Q1 and high frequency transformer T small power consumptions, and field-effect tube Q1 is made to be switched under zero-pressure state, temperature rise
High frequency transformer T outputs afterwards become smaller, and make ultraviolet light electronic ballast device EB always at a certain temperature in dynamic equilibrium, on the scene
Protection circuit 41 is provided at effect pipe Q1, when field-effect tube Q1 is turned off suddenly, spuious inductance causes high pressure, generates switch wave
Voltage is gushed, in order to inhibit to this overvoltage, using buffer-type circuit as circuit 41 is protected, high-frequency inverter circuit 4 is defeated
Go out electric current to light the ultraviolet lamp EV in ultraviolet radiator lighting circuit 5, while 220V alternating current incoming ends are provided with guarantor
Dangerous silk F1 prevents circuit abnormality from damaging component.
In conclusion the utility model in high-frequency inverter circuit by using the field-effect tube Q1 with negative temperature coefficient
With high frequency transformer T, and field-effect tube Q1 is made to be switched under zero-pressure state, reduce switching loss, it is high after temperature rise
Frequency power transformer T output powers become smaller, and make ultraviolet light electronic ballast device EB always at a certain temperature in dynamic equilibrium, this reality
220V alternating current incoming ends are provided with fuse F1 with new, while protection circuit is provided at field-effect tube Q1, carry
Abnormal protection, so that the service life of ultraviolet light electronic ballast device EB was up to 5 years or more.And the high frequency in the utility model
The working frequency of inverter circuit reaches 50KHz.
A kind of ultraviolet light electric ballast provided by the utility model is described in detail above, for this field
Those skilled in the art, based on the idea of the embodiment of the present invention, have change in specific embodiments and applications
Become part, in conclusion this specification content should not be construed as the limitation to the utility model.
Claims (3)
1. a kind of ultraviolet light electric ballast, which is characterized in that including LC high-frequency filter circuits (1), rectification circuit (2), filter
Wave circuit (3), high-frequency inverter circuit (4), ultraviolet radiator lighting circuit (5), electronic ballast circuit (6), LC high frequency filters electricity
Road (1) input terminal is exchanged with 220V and is electrically connected, and LC high-frequency filter circuits (1) output terminal is connected with rectification circuit (2) input terminal
It connects, rectification circuit (2) output terminal is connected with filter circuit (3) input terminal, filter circuit (3) output terminal and high-frequency inverter circuit
(4) input terminal is connected, and high-frequency inverter circuit (4) output terminal is connected with ultraviolet radiator lighting circuit (5) input terminal, electronics town
Current circuit (6) input terminal is connected with filter circuit (3) output terminal, and electronic ballast circuit (6) output terminal is lighted with ultraviolet radiator
Circuit (5) input terminal is connected, and electronic ballast circuit (6) is internally provided with ultraviolet light electronic ballast device EB, electric ballast
The input terminal of part EB is connected with filter circuit (3) output terminal, electronic ballast device EB output terminals and ultraviolet radiator lighting circuit
(5) input terminal is connected, and high-frequency inverter circuit (4) is internally provided with the field-effect tube Q1 and high frequency transformer T of negative temperature coefficient；
High-frequency inverter circuit (4) is internally provided with protection circuit (41), and protection circuit (41) includes resistance R1, diode D1 and two
Pole pipe D2, wherein diode D1 are connected with the drain electrode of field-effect tube Q1, and diode D1 connects with diode D2, diode D2 with
The source electrode of field-effect tube Q1 is connected, and one end of resistance R1 is connected with the drain electrode of field-effect tube Q1, the other end of resistance R1 with
The source electrode of field-effect tube Q1 is connected；
LC high-frequency filter circuits (1) include capacitance C1, capacitance C2, transformer T1, resistance R2, wherein resistance R3, capacitance C1, electricity
Appearance C2 is in parallel with transformer T1 respectively with resistance R2, and transformer T1 connects with resistance R3；
Rectification circuit (2) forms bridge rectifier by 4 diodes；
Filter circuit (3) connects to form series circuit with capacitance C5 including capacitance C3, capacitance C4, capacitance C5, wherein capacitance C4, electricity
It is in parallel with the series circuit to hold C3.
2. ultraviolet light electric ballast according to claim 1, which is characterized in that ultraviolet radiator lighting circuit (5) is internal
It is provided with ultraviolet radiator EV.
3. ultraviolet light electric ballast according to claim 1, which is characterized in that LC high-frequency filter circuits (1) input
End is connected with 220V alternating currents by fuse F1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721235404.4U CN207382652U (en) | 2017-09-26 | 2017-09-26 | A kind of ultraviolet light electric ballast |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721235404.4U CN207382652U (en) | 2017-09-26 | 2017-09-26 | A kind of ultraviolet light electric ballast |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207382652U true CN207382652U (en) | 2018-05-18 |
Family
ID=62340732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721235404.4U Active CN207382652U (en) | 2017-09-26 | 2017-09-26 | A kind of ultraviolet light electric ballast |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207382652U (en) |
-
2017
- 2017-09-26 CN CN201721235404.4U patent/CN207382652U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201700047U (en) | Led lamp driving circuit | |
| CN102215615A (en) | Driving circuit for LED (light emitting diode) lamp | |
| CN204377221U (en) | The LED lamp tube driver of compatible electronic ballast | |
| CN101730347A (en) | LED driving circuit for illumination | |
| CN107979899A (en) | A kind of linear general pump feeds constant-current circuit and has its LED light | |
| CN201860484U (en) | Driving power supply of LED lamp | |
| CN207070411U (en) | A kind of LED lamp drive circuit of compatible civil power and Metal halogen lamp ballast | |
| CN204578876U (en) | A kind of power driving circuit of AC/DC | |
| CN104080221B (en) | A kind of LED drive circuit and LED light | |
| CN207382652U (en) | A kind of ultraviolet light electric ballast | |
| WO2009067931A1 (en) | A multi-output lightening electric light source device | |
| CN205005320U (en) | Driving circuit of light -emitting diode (LED) fluorescent tube | |
| CN204597793U (en) | High-power high-frequency switch power supply | |
| CN207995445U (en) | A kind of linear general pump feed constant-current circuit and the LED light with it | |
| CN208369926U (en) | A kind of lamp tube drive circuit | |
| CN203368858U (en) | SSL2108-based buck dimmable LED driving system | |
| CN102958248A (en) | LED (Light Emitting Diode) lighting circuit | |
| CN203289704U (en) | Sectional type LED (Light-Emitting Diode) lamp capable of light modulation and free of external light modulator | |
| CN201119095Y (en) | Device for lighting electric light source based on multi-channel output | |
| CN104582185A (en) | LED driving power supply circuit | |
| CN204089609U (en) | A kind of Switching Power Supply of LED street lamp | |
| CN102832811B (en) | Boost topology circuit | |
| CN213186642U (en) | Full-voltage high-power-factor stroboflash-free lamp | |
| CN202026517U (en) | Electronic ballast | |
| CN202262006U (en) | Electronic ballast and energy-saving lamp adopting same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |