CN2819703Y - Active frequency-sweep environmental-protective illuminating electronic energy saver - Google Patents
Active frequency-sweep environmental-protective illuminating electronic energy saver Download PDFInfo
- Publication number
- CN2819703Y CN2819703Y CN 200520010972 CN200520010972U CN2819703Y CN 2819703 Y CN2819703 Y CN 2819703Y CN 200520010972 CN200520010972 CN 200520010972 CN 200520010972 U CN200520010972 U CN 200520010972U CN 2819703 Y CN2819703 Y CN 2819703Y
- Authority
- CN
- China
- Prior art keywords
- transformer
- circuit
- diode
- capacitor
- output
- 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
Images
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The utility model relates to an active frequency-sweep environmental-protective illuminating electronic energy saver, which uses current follow-up circuit technique to solve the problem of acoustic resonance in an active frequency-sweep method and a sine wave output operating mode. The utility model obtains that a metal halide lamp of an illumination lamp tube can operate in high power under high frequency. The utility model has the characteristics that light output pulsation is small, light emitting flicker is avoided, the full power output of a lamp is fast, light pass maintenance factor is high, lamp tube power is stable, service life is long and energy is saved. The illumination of the lamplight arranged by the device has no stroboflash. Thus, people' eyes have comfortable vision, and eventually, comfortable, safe, economic and beneficial environment protective illuminating quality is obtained. The utility model satisfies the high requirement on luminous environment and reduced pollution requirements.
Description
Technical field
The utility model provides a kind of active sweep-frequency formula environment-friendly type illumination electric energy-saving device, is the matching unit of implementing green illumination, belongs to the high-efficiency energy-saving technology field.
Background technology
Light source is one of energy-conservation key factor, at present, traditional light source is energy-conservation, have plenty of and realize energy-conservation from reducing lighting criteria, adopt good lighting to realize energy-conservation, have plenty of and realize energy-conservation from the electrical installation of coupling, Green Lighting Project requires lighting energy saving, not exclusively be the energy-conservation of traditional sense, but to satisfy requirements at the higher level to lighting quality and visual environment condition, therefore can not realize energy-conservationly by reducing lighting criteria, but will fully use modern means of science and technology to improve the method for illuminating engineering design and device, the efficient that improves lighting device realizes.The coupling electrical installation mainly contains two classes: a class is an inductance; One class is an electronics.Electronics be divided into high frequency type and low frequency formula again.Traditional inductance device is longer service time; But not energy-conservation, illumination has stroboscopic, and power factor is low, and own loss is big.The low-frequency electronic device can be avoided " acoustic resonance ", but price is higher, and energy-saving effect is not obvious.Only under the high-frequency electronic device drives, just can give full play to its energy-efficient characteristics, its high-luminous-efficiency just does well.
Summary of the invention
The purpose of this utility model provides a kind of employing active sweep-frequency formula environment-friendly type illumination electric energy-saving device, taked the current follow-up circuit technology, the working method of active sweep-frequency method, sinewave output, solve the problem of " acoustic resonance ", reached the high-power operation that the illuminating lamp tube metal halide lamp can be under high frequency.It is little that this technology has the light output ripple, avoids light-emitting flash, and the output of lamp full power is very fast, the lux maintenance height, and power of lamp tube is stable, the life-span is long and energy-conservation characteristics.Below the light of this device configuration; illumination does not have stroboscopic; people's ocular vision is comfortable; finally reach the lighting quality of comfortable, safety, economy, useful environmental protection, with satisfy the national economy all departments and the people growing to lighting environment requirements at the higher level and reduce the needs of environmental pollution.
The purpose of this utility model is to realize like this, its technical scheme is in electric energy-saving device, adopt the low pass converter to link to each other with rectification circuit, and be connected with current follow-up circuit, adopted integrating circuit, the half-bridge circuit of being made up of the switch power metal-oxide-semiconductor is connected and forms that self-maintained circuit and transformer output circuit be connected to form.
It is characterized in that: adopt the low pass converter to link to each other with rectification circuit, and be connected with the current follow-up circuit that adopts, the half-bridge circuit that connection is made up of the switch power metal-oxide-semiconductor, connect distortion Lao Yeer sine-wave oscillator, be connected to the transformer output circuit up to being connected with the illuminating lamp tube metal halide lamp.
Adopt advantage of the present utility model and effect to be: to adopt the current follow-up circuit technology, utilized the variation of current follow-up circuit voltage, promoted electric current to change, so that frequency change, reached the effect of active sweep-frequency; Simultaneously, with the working method of active sweep-frequency continuously, in good time " acoustic resonance " zone of avoiding metal halide lamp reaches the high-power operation of illuminating lamp tube metal halide lamp under high frequency.Sinusoidal wave concussion has reduced the loss of switch work effectively, also makes current-limiting protection more effective, thereby has reduced the temperature of electronic devices and components.It is little that this technology has the light output ripple, avoids light-emitting flash, and the output of lamp full power is very fast, lux maintenance height, the characteristics that power of lamp tube is stable, the life-span is long.This technology has also improved power factor effectively, makes harmonic content be lower than 30%.Constitute the illumination electric energy-saving device of an environment-friendly type.
Below in conjunction with drawings and Examples, the utility model is further specified as follows:
Description of drawings
Fig. 1 is an overall structure block diagram of the present utility model
Fig. 2 is physical circuit figure of the present utility model
Embodiment
In Fig. 1, its technical scheme is in active sweep-frequency formula environment-friendly type illumination electric energy-saving device, employing by 1, the low pass converter, connect 2 successively, rectification circuit, 3, current follow-up circuit, 4, be out of shape Lao Yeer sine wave oscillation circuit and 5, the transformer output circuit device of totally five parts formation, up to being connected with load 6, the illuminating lamp tube of energy saver, wherein the 1st, 2 part low pass converters and rectification circuit are prior arts; 3,4, more than 5 parts of back change by the electric current of current follow-up circuit; impel frequency change; reach active sweep-frequency effect, reduced the loss of switch work effectively by distortion Lao Yeer sine wave oscillation circuit, impel effective current-limiting protection, thereby reduced the temperature of electronic devices and components.Realize energy-efficiently, avoid light-emitting flash, constitute the illumination electric energy-saving device of environment-friendly type.
Line by Fig. 2 elaborates to the technical solution of the utility model:
Physical circuit figure principle as shown in Figure 2, Fig. 2 has comprised from the line graph of input up to output.DC power supply circuit is made up of low-pass filter circuit and diode bridge rectifier circuit, and low-pass filter circuit is by piezo-resistance VR1, capacitor C 1, C2, and co-mode coil L1 is formed by connecting.The input operating voltage is for exchanging 277V, 220V or 120V, its piezo-resistance VR1, play the transient voltage inhibitory action, be connected by C1, C2, C3, C4 and L1, form anti-electromagnetic interference (EMI) low pass filter, both suppressed the electromagnetic interference from electrical network, the electromagnetic interference that illumination electric energy-saving device self is produced also plays attenuation simultaneously, and is not contaminated to guarantee electrical network.Rectification circuit is connected and composed by diode D1, D2, D3, D4, finishes the conversion of AC-to DC.It below all is prior art.
In Fig. 2, output diode D1, D2 end and capacitor C 5, resistance R 2, the diode D7 of rectification circuit, the main coil N1 end of co-mode coil is connected, diode D3, D4 and current transformer L2, diode D5, capacitor C 6 is connected, current transformer L2, diode D5, D6, D7, connect and compose the current follow-up circuit of typical no high-frequency energy feedback with resistance R 1, capacitor C 5, C6, chase the track of supply voltage transient change by stream with regard to the source current that is meant the sub-energy saver ac input end of power for illumination, to realize chasing and afterflow of energy saver.The basic function of circuit is exactly the angle of flow that increases rectifier diode, suppresses the wave distortion of source current, improves the power factor of circuit.
In Fig. 2, be out of shape Lao Yeer sine-wave oscillator and transformer output circuit in addition.The other end of current transformer L2 is connected with capacitor C 9, voltage-stabiliser tube Z1, capacitor C 9 and diode D9, and resistance R 8, R2 is connected, and diode D8 is connected to the N2 end of the coil of the drain electrode of MOS transistor Q1 and transformer.The source electrode of MOS transistor Q1 and Q2 interconnects and ground connection, and the drain electrode of Q2 connects the N3 end of the coil of transformer.The drain electrode of two MOS transistor Q1, Q2 is connected with the capacitor C 7 of cross-over connection in the elementary coiling group of transformer output circuit T1 N1, N3 two ends, auxiliary winding N4, the N5 of T1 provide positive feedback through R3, R4, to drive two MOS transistor alternate conduction, ZI provides voltage stabilizing for grid, R2, C9, D9 form start-up circuit, be used as and trigger vibration, D8 designs for turn-offing circuits for triggering.Connect current limiting capacitance C8 by N1, N2, the N3 end of the main coil of transformer T1 and constitute boost first lamp circuit of output of transformer self coupling, secondary coil N6 by transformer connects second lamp circuit that current limiting capacitance C8 ' constitutes transformer mutual coupling isolation output, be connected with illuminating lamp tube. the numerical value of control capacittance C8 and C8 ', can adjust the performance number (35 to 400W) of output.
Claims (3)
1, a kind of active sweep-frequency formula environment-friendly type illumination electric energy-saving device, it is characterized in that: adopt the low pass converter to link to each other with rectification circuit, and be connected with the current follow-up circuit that adopts, the half-bridge circuit that connection is made up of the switch power metal-oxide-semiconductor, connect distortion Lao Yeer sine-wave oscillator, be connected to the transformer output circuit up to being connected with the illuminating lamp tube metal halide lamp.
2, according to claims 1 described active sweep-frequency formula environment-friendly type illumination electric energy-saving device, it is characterized in that: output diode D1, D2 end and capacitor C 5, resistance R 2, the diode D7 of rectification circuit, the main coil N1 end of co-mode coil is connected, diode D3, D4 and current transformer L2, diode D5, capacitor C 6 is connected, current transformer L2, diode D5, D6, D7, connect and compose the current follow-up circuit of typical no high-frequency energy feedback with resistance R 1, capacitor C 5, C6, to realize chasing and afterflow of energy saver.
3, according to claims 1 described active sweep-frequency formula environment-friendly type illumination electric energy-saving device, it is characterized in that: distortion Lao Yeer sine-wave oscillator and transformer output circuit are arranged, the other end of current transformer L2 is connected with capacitor C 9, voltage-stabiliser tube Z1, capacitor C 9 and diode D9, resistance R 8, R2 is connected, diode D8 is connected to the N2 end of the coil of the drain electrode of MOS transistor Q1 and transformer, the source electrode of MOS transistor Q1 and Q2 interconnects and ground connection, and the drain electrode of Q2 connects the N3 end of the coil of transformer.Two MOS transistor Q1, the drain electrode of Q2 and cross-over connection are in the elementary coiling group of transformer output circuit T1 N1, the capacitor C 7 at N3 two ends connects, the auxiliary winding N4 of T1, N5 is through R3, R4 provides positive feedback, to drive two MOS transistor alternate conduction, ZI provides voltage stabilizing for grid, R2, C9, D9 forms start-up circuit, D8 is for turn-offing circuits for triggering, N1 by the main coil of transformer T1, N2, the N3 end connects current limiting capacitance C8 and constitutes first lamp circuit that the transformer self coupling boosts and exports, secondary coil N6 by transformer connects second lamp circuit that current limiting capacitance C8 ' constitutes transformer mutual coupling isolation output, be connected with illuminating lamp tube, the numerical value of control capacittance C8 and C8 ' can be adjusted the performance number of output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520010972 CN2819703Y (en) | 2005-03-29 | 2005-03-29 | Active frequency-sweep environmental-protective illuminating electronic energy saver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520010972 CN2819703Y (en) | 2005-03-29 | 2005-03-29 | Active frequency-sweep environmental-protective illuminating electronic energy saver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2819703Y true CN2819703Y (en) | 2006-09-20 |
Family
ID=37005763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520010972 Expired - Fee Related CN2819703Y (en) | 2005-03-29 | 2005-03-29 | Active frequency-sweep environmental-protective illuminating electronic energy saver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2819703Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101859683A (en) * | 2010-04-30 | 2010-10-13 | 郭修 | Novel fluorescent lamp tube adopting sweep frequency illumination mode |
-
2005
- 2005-03-29 CN CN 200520010972 patent/CN2819703Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101859683A (en) * | 2010-04-30 | 2010-10-13 | 郭修 | Novel fluorescent lamp tube adopting sweep frequency illumination mode |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Cheng et al. | Design and implementation of a single-stage driver for supplying an LED street-lighting module with power factor corrections | |
| CN201585174U (en) | Led drive circuit | |
| WO2021088114A1 (en) | T-shaped tube-based led drive circuit | |
| CN201750610U (en) | High-reliability electrodeless fluorescent lamp electronic ballast | |
| CN2819703Y (en) | Active frequency-sweep environmental-protective illuminating electronic energy saver | |
| CN202017899U (en) | High-efficiency ultra-low interference light-emitting diode (LED) energy-saving lamp | |
| CN104378888B (en) | A kind of simple PFC frameworks controllable silicon light modulation LED drive power high | |
| CN204652716U (en) | A kind of powerful two-stage LED drive power | |
| CN207427521U (en) | A kind of LED illumination replaces light source | |
| CN203243579U (en) | Low-cost LED lamp drive power source | |
| CN201750612U (en) | Electronic ballast for electrodeless fluorescent lamp | |
| CN1284422C (en) | Low-harmonic compact type energy-saving lamp electronic ballast | |
| CN208241947U (en) | High PF, can be achieved output larger current without stroboscopic LED lamp drive circuit | |
| CN208369926U (en) | A kind of lamp tube drive circuit | |
| CN108521694B (en) | LED half-bridge circuit with feedback variable-frequency constant-current drive | |
| CN202210885U (en) | Dimming drive power for LED lighting | |
| CN2689646Y (en) | Electronic stabilizing device of vehicle headlight | |
| CN200987125Y (en) | Intelligent semi-bridge driving high-frequency electronic transformer | |
| CN210143135U (en) | No stroboscopic LED panel light power | |
| CN200994216Y (en) | Environmental-protection road lamp reduced current energy-saving control device | |
| CN220173442U (en) | Rail-mounted LED lamp and driving LED power supply thereof | |
| CN216565658U (en) | LED drive circuit, backlight module and display device | |
| CN211378325U (en) | LED driving power supply based on CWA ballast | |
| CN202818745U (en) | Electronic energy saving lamp low-power factor circuit | |
| CN201194443Y (en) | Constant power timed light regulating HID electronic ballast |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |