CN201509357U - Electrode-less lamp microwave dimming amperite - Google Patents

Electrode-less lamp microwave dimming amperite Download PDF

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Publication number
CN201509357U
CN201509357U CN2009201880094U CN200920188009U CN201509357U CN 201509357 U CN201509357 U CN 201509357U CN 2009201880094 U CN2009201880094 U CN 2009201880094U CN 200920188009 U CN200920188009 U CN 200920188009U CN 201509357 U CN201509357 U CN 201509357U
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CN
China
Prior art keywords
circuit
electrode
dimming
microwave
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
Application number
CN2009201880094U
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Chinese (zh)
Inventor
李保
高劲松
储可明
张喜妹
张俊伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HEFEI SANCHUAN AUTOMATION ENGINEERING Co Ltd
Original Assignee
HEFEI SANCHUAN AUTOMATION ENGINEERING Co Ltd
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Filing date
Publication date
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Priority to CN2009201880094U priority Critical patent/CN201509357U/en
Application granted granted Critical
Publication of CN201509357U publication Critical patent/CN201509357U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/10Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes

Abstract

The utility model relates to an electrode-less lamp microwave dimming amperite. The amperite comprises an electromagnetic interference filter, an electrode-less lamp rectification circuit, a power factor correcting circuit, a microwave control circuit, a dimming circuit, an output grade circuit and an electrode-less lamp, wherein alternating current input is connected with the output grade circuit through the electromagnetic interference filter, the electrode-less lamp rectification circuit and the power factor correcting circuit in turn, the microwave control circuit is connected with the output grade circuit through the dimming circuit, and an output end of the output grade circuit is connected with the electrode-less lamp. The electrode-less lamp microwave dimming amperite controls dimming signals through infrared signals, when objects move such as walking of people, a microwave sensor catches the infrared signals and transfers the signals to the dimming circuit, thereby the electrode-less lamp is changed from the low brightness state into full bright state, and when the infrared signals are not available, a fluorescent lamp is always in the low brightness state, thereby reducing the frequency of turning on and turning off the electrode-less lamp.

Description

Electrodeless lamp microwave dimming ballast
Technical field
The utility model relates to a kind of electrodeless lamp microwave dimming ballast.
Background technology
In recent years, a kind of new type light source of the high light efficiency of lighting technology, longevity, high-color rendering future thrust of representing becomes extremely typical case's " green illumination " product of user's favor, because it does not have necessary filament of conventional electric light source or electrode, so the electrodeless lamp of name has another name called electromagnetic induction lamp.Electrodeless lamp does not need electrode to rely on the basic principle of electromagnetic induction formation plasma gas discharge luminous.It is made up of radio-frequency generator, power coupling coil and electrodeless fluorescent fluorescent tube three parts.Its fluorescent tube is a vacuum discharge cavity, form continuous closure discharge loop, discharge cavity is by winding the central axis with the annular ferrite core of power coupling coil, and the high-frequency electromagnetic energy that electric ballast produces is coupled in the plasma of discharge by the power coupling coil.Power coupling coil and discharging chamber can be considered as the primary and secondary of a transformer, produce the magnetic flux of alternation by the electric current of coil, and then keep luminescence of plasma along discharge cavity generation induction field again.
Under the situation of energy worsening shortages, energy-efficient green illumination electric light source and electric ballast thereof more and more are subjected to people's favor.Dimming light source operation can reach the purpose of lighting energy saving, can avoid the dazzle that is harmful to again, and it is one of important indicator that realizes green illumination.At present, the light modulation to the induction non-polar light source practical application mainly contains two kinds of methods: frequency modulation method and voltage regulating method.The frequency modulation method reduces the input power of lamp by the break-make frequency that improves switching device in the ballast, thereby reaches the purpose of light modulation.When the operating frequency of ballast improved, the ballast inductance induction reactance of connecting with lamp increased, and the resonant capacitance capacitive reactance of lamp parallel connection diminishes, and these 2 make that flowing through lamp tube current reduces, and the power of lamp consumption descends thereupon.When adopting voltage regulating method, the operating frequency of switching device is constant, regulates the input power of lamp by the amplitude that changes the direct voltage after the rectification in the ballast, thereby reaches the purpose of light modulation.Direct voltage after the rectification passes through the Boost circuit, the amplitude of using the PWM method to regulate the output dc voltage of Boost circuit, and then the input power of change lamp.These two kinds of light-dimming methods can combine with infrared technique very easily, and dimming scope can reach 100%~35.5%.
Summary of the invention
In order to solve the light modulation problem of electrodeless lamp, the utility model provides a kind of electrodeless lamp microwave dimming ballast that microwave technology is combined with light regulating technology.
Concrete technical solution is as follows:
Electrodeless lamp microwave dimming ballast comprises Electromagnetic interference filter 1, electrodeless lamp rectification circuit 2, circuit of power factor correction 3, microwave control circuit 4, light adjusting circuit 5, output-stage circuit 6 and electrodeless lamp 7.
Exchange input and be connected with output-stage circuit 6 through Electromagnetic interference filter 1, electrodeless lamp rectification circuit 2, circuit of power factor correction 3 successively,
Microwave control circuit 4 is connected with output-stage circuit 6 through light adjusting circuit 5,
The output of output-stage circuit 6 connects electrodeless lamp 7.
The utility model is a kind of intelligent dimming ballast based on microwave induced technology.Control dim signal by microwave signal, when object of which movement, as walking about of people, microwave sensor captures microwave signal, and this signal is transferred to light adjusting circuit, makes that electrodeless lamp is complete bright state by the low-light level state-transition; When no moving object, electrodeless lamp is in the low-light level state always.So just reduced the number of times of the electrodeless lamp of switch.Microwave induced technology is applied to really realize intelligent dimming in the light adjusting system of electrodeless lamp.
Raising day by day along with the energy efficient requirement, the utility model makes electrodeless lamp light modulation improve the technology content of ballast design, long based on the HF lamp without electrodes life-span, energy-saving effect is remarkable, safe, characteristics such as environmental protection, therefore be applicable to factory floor, classroom, the library, the greenhouse vegetable plant shed, the hall, auditorium, meeting room, megastore's ceiling, very high factory building, sports ground, the tunnel, traffic complex area (street lamp, identification light, bridge light), subway station, dangerous region of train way or illumination be the water lamp down, the city lighting floodlighting, landscape planting illuminations etc. are specially adapted to high-risk and change the important place of lamp difficulty and maintenance cost costliness.
Description of drawings
Fig. 1 is the utility model theory diagram.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described by embodiment.
Embodiment:
Referring to Fig. 1, electrodeless lamp microwave dimming ballast comprises electromagnetic interference (EMI) filter 1, electrodeless lamp rectification circuit 2, circuit of power factor correction 3, microwave control circuit 4, light adjusting circuit 5, output-stage circuit 6, electrodeless lamp 7.
Exchanging input is connected with output-stage circuit 6 through electromagnetic interference (EMI) filter 1, electrodeless lamp rectification circuit 2, circuit of power factor correction 3 successively; Microwave control circuit 4 is connected with output-stage circuit 6 through light adjusting circuit 5; The output of output-stage circuit 6 connects electrodeless lamp 7.
Introduce the function of each several part below in detail:
1, electromagnetic interference (EMI) filter
The technical measures that suppress EMI have shielding, ground connection (floating ground, single-point ground and ground network) and filtering.Wherein, filtering technique is to suppress the effective and the most most economical means of conducted interference.Because various interference are the most serious at the system interface place, so electromagnetic interface filter is placed on the porch of system power supply line.The conducted interference of AC power cord comprises differential mode noise composition and common-mode noise composition.In order to play the effect that suppresses to disturb, reduce noise, adopt the alternating current circuit electromagnetic interface filter.Electromagnetic interface filter had both suppressed common mode and differential mode interference from electrical network, guaranteed that common-mode noise and differential mode noise do not appear in secondary side.Simultaneously, it also plays attenuation to the electromagnetic interference that electric ballast self produces, and is not contaminated to guarantee electrical network.
2, electrodeless lamp rectification circuit
By rectifier bridge the alternating current of importing is carried out rectification, output DC.
3, circuit of power factor correction
Cross when low when power factor, power supply equipment is not fully utilized, and causes the huge waste of electric energy, influences the normal operation of power consumption equipment.And can in the current supply line of building, produce heat.The power factor of electric ballast is low can to limit the load of household electrical appliance, even can increase lighting expense usefulness.So circuit of power factor correction is essential.
4, microwave control circuit
This is the core technology of this patent, ripe microwave control circuit is applied in the middle of the dimming ballast, and is connected with light adjusting circuit.Realize real intelligent electrodeless light modulation.
5, light adjusting circuit
Import microwave induced control signal, be input to the current potential of dimming ballast special chip, and then control the brightness of electrodeless lamp according to this signal scalable.
6, output-stage circuit
What adopt is to be the voltage input half-bridge inverter of load with electrodeless lamp, and the direct voltage of its input is the output voltage of circuit of power factor correction.Wherein dimmable electronic ballast special chip driven MOS FET pipe alternately cut-offs, and like this, has just produced high frequency square wave at the half-bridge circuit mid point.Electrodeless lamp is in off state before startup, choke induction and startup electric capacity, capacitance have just been formed the LC series resonant circuit like this.
The voltage of dimmable electronic ballast special chip circuit VDC end and the VCC end directly rectifier bridge output voltage from circuit of power factor correction is obtained.Circuit LC high frequency series resonance, the electric current and voltage phase difference of resonance point is ± 90 °, operating frequency is a little more than resonance frequency.Light-modulating mode, inductance L in the circuit and R, C series connection in parallel, phase difference is little when high-power, and phase place is inverted during small-power.So during the operational mode after the triggering, input current and half-bridge output voltage phase difference are to change between 0~-90 °, wherein, the corresponding maximum power of zero phase difference.The output of hot so outer induction control circuit has potential change, and the phase place of load current will Back Up, thereby power output changes, and has realized the light modulation of dimmable ballast special chip circuit to electrodeless lamp brightness.

Claims (1)

1. electrodeless lamp microwave dimming ballast, comprise Electromagnetic interference filter (1), electrodeless lamp rectification circuit (2), circuit of power factor correction (3), microwave control circuit (4), light adjusting circuit (5), output-stage circuit (6), electrodeless lamp (7), it is characterized in that:
Exchange input and pass through Electromagnetic interference filter (1), electrodeless lamp rectification circuit (2), circuit of power factor correction (3) successively and be connected with output-stage circuit (6),
Microwave control circuit (4) is connected with output-stage circuit (6) through light adjusting circuit (5),
The output of output-stage circuit (6) connects electrodeless lamp (7).
CN2009201880094U 2009-09-24 2009-09-24 Electrode-less lamp microwave dimming amperite Expired - Fee Related CN201509357U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009201880094U CN201509357U (en) 2009-09-24 2009-09-24 Electrode-less lamp microwave dimming amperite

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009201880094U CN201509357U (en) 2009-09-24 2009-09-24 Electrode-less lamp microwave dimming amperite

Publications (1)

Publication Number Publication Date
CN201509357U true CN201509357U (en) 2010-06-16

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Application Number Title Priority Date Filing Date
CN2009201880094U Expired - Fee Related CN201509357U (en) 2009-09-24 2009-09-24 Electrode-less lamp microwave dimming amperite

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101945523A (en) * 2010-09-15 2011-01-12 张华建 Starting circuit for ballast of electrodeless lamp
CN101951723A (en) * 2010-09-15 2011-01-19 张华建 Frequency-shaking ballast resistor for electrode-less lamp
CN102595698A (en) * 2011-12-25 2012-07-18 宁波航中智能电器有限公司 Microwave photoinduction lamp

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101945523A (en) * 2010-09-15 2011-01-12 张华建 Starting circuit for ballast of electrodeless lamp
CN101951723A (en) * 2010-09-15 2011-01-19 张华建 Frequency-shaking ballast resistor for electrode-less lamp
CN101945523B (en) * 2010-09-15 2013-06-05 张华建 Starting circuit for ballast of electrodeless lamp
CN102595698A (en) * 2011-12-25 2012-07-18 宁波航中智能电器有限公司 Microwave photoinduction lamp

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GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20100616

Termination date: 20100924

C17 Cessation of patent right