CN203086833U - Street lamp electronic intelligent ballast - Google Patents

Street lamp electronic intelligent ballast Download PDF

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Publication number
CN203086833U
CN203086833U CN2012206365443U CN201220636544U CN203086833U CN 203086833 U CN203086833 U CN 203086833U CN 2012206365443 U CN2012206365443 U CN 2012206365443U CN 201220636544 U CN201220636544 U CN 201220636544U CN 203086833 U CN203086833 U CN 203086833U
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CN
China
Prior art keywords
unit
ballast
power
road lamp
starter
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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
CN2012206365443U
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Chinese (zh)
Inventor
韩慈
梅红明
孙江伟
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ZHANGJIAGANG SMARTGRID RESEARCH INSTITUTE
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ZHANGJIAGANG SMARTGRID RESEARCH INSTITUTE
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Priority to CN2012206365443U priority Critical patent/CN203086833U/en
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Publication of CN203086833U publication Critical patent/CN203086833U/en
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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
    • Y02B20/00Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/72Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting

Abstract

A street lamp electronic intelligent ballast comprises a power unit, a one-chip microcomputer control unit connected with the power unit, a power supply unit connected with the one-chip microcomputer control unit, and a sodium lamp connected with the power supply unit. The power supply unit comprises a half-bridge inversion unit and a starting control and ballast unit connected with the half-bridge inversion unit. The one-chip microcomputer control unit is also connected with a multi-time starting unit, a constant power unit, and a PWM intelligent light-modulation unit. With the adoption of the technical scheme of the utility model, the technical effects of multi-time starting, full-automatic controlling, manual intervention eliminating, and intelligent light-modulating can be realized.

Description

A kind of road lamp electric intelligence ballast
Technical field
The utility model belongs to power electronics application technology and field of energy-saving technology, is specifically related to a kind of multi-functional road lamp electric intelligence ballast.
Background technology
At present, high-pressure sodium lamp more and more widely be applied to public illumination environment such as town road, highway, bridge, tunnel, gardens, harbour, sightseeing scape lamp, physical culture square, recreation ground, advertising lamp box, various intelligent road-lamp energy-saving electronic ballasts also more and more replace traditional Inductive ballast to be used to and the supporting use of high-pressure sodium lamp simultaneously.
Because high-pressure sodium lamp and the ballast supporting with it are mainly used in outdoor and leak a day occasion, complicated surrounding enviroment and bad weather make that high-pressure sodium lamp fluorescent tube aging phenomenon is more and more serious, add the difference of each fluorescent tube producer manufacturing process and technical merit, make that the power deviation that consumes between each fluorescent tube under the aging and same specification of fluorescent tube is very big.The direct phenomenon of some that bring is exactly thus: some lamp is normally starter work often, though perhaps some lamp can both normally be lighted, but the power deviation of Xiao Haoing is very big to each other, and a bank light looks the sensation of " flickering ", and the consistency of illuminator can't guarantee.And the various energy-saving electronic ballast ubiquities that use at present lack effective starter detection method, with the consistency of effective assurance system illumination, limit and hindered the popularization and the use of road lamp energy-saving electronic intelligence ballast greatly.
Therefore, there is defective in prior art, needs to improve.
The utility model content
Technical problem to be solved in the utility model is at the deficiencies in the prior art, and a kind of multi-functional road lamp electric intelligence ballast is provided.Have characteristics energy-conservation, light modulation, increased starter simultaneously and detected and the firm power controlled function, can tackle the abnormal conditions such as power deviation that starter is unusual and fluorescent tube brings because of reasons such as aging and technologies of various bursts.
The technical solution of the utility model is as follows:
A kind of road lamp electric intelligence ballast wherein, comprises power subsystem, the Single-chip Controlling unit that is connected with power subsystem, the power supply unit that is connected with described Single-chip Controlling unit; The sodium vapor lamp that is connected with described power supply unit; Described power supply unit, the starter that comprise the semi-bridge inversion unit, is connected control and ballast unit with described semi-bridge inversion unit; Described Single-chip Controlling unit also is connected with repeatedly starter unit, firm power unit, PWM intelligent dimming unit.
Described road lamp electric intelligence ballast wherein, also comprises described repeatedly starter unit, firm power unit and described PWM intelligent dimming unit and the output control module that is connected with them; The current signal that described repeatedly starter unit sends according to the dc bus current detecting unit judges whether the starter success, and sends command adapted thereto to described output control module; Unit detection of described firm power and calculated power value also send command adapted thereto to described output control module; Described PWM intelligent dimming unit sends command adapted thereto to described output control module according to preset frequency.
Described road lamp electric intelligence ballast wherein, also comprises power factor correction unit, is arranged between described power subsystem and the described power supply unit, is used to control the total harmonic distortion THD of input current at preset range.
Described road lamp electric intelligence ballast, wherein, the input of described semi-bridge inversion unit is connected with the output of described power factor correction unit, and is controlled by described PWM intelligence light modulation unit; Described starter control unit produces the build-up of luminance high pressure in the moment of switching on by step-up transformer, with tube starting; The high frequency square wave voltage of the mid point of described semi-bridge inversion unit output at tube starting after ballast unit provides the operating current of fluorescent tube steady operation.
Described road lamp electric intelligence ballast, wherein, described starter control ballast unit core is step-up transformer and high frequency ballast inductance.
Described road lamp electric intelligence ballast, wherein, described power supply unit also connects driving control unit, described driving control unit input connects the output of described Single-chip Controlling unit, the output of described driving control unit connects the control end of described semi-bridge inversion unit, and the pwm signal that is used for receiving described PWM intelligent dimming unit converts the drive signal of described semi-bridge inversion unit to.
Described road lamp electric intelligence ballast, wherein, described driving control unit also connects and is controlled by the PWM control unit.
Described road lamp electric intelligence ballast, wherein, the grid of the drive power MOSFET tube of described semi-bridge inversion unit.
Described road lamp electric intelligence ballast, wherein, described power subsystem is provided with single-phase rectifier bridge and the filter capacitor in parallel with it does not controlled.
Described road lamp electric intelligence ballast, wherein, described Single-chip Controlling unit also is connected with current transformer and indicator light.
Adopt such scheme, the utility model has not only solved the problem that prior art exists, and obviously has following advantage:
1, starter repeatedly, Automatic Control need not manual intervention.Multi-functional road lamp electric intelligence ballast gets; after producing the starter high pressure; single-chip microcomputer detects dc bus current automatically in 30 seconds; whether starter is successful to judge the sodium vapor lamp fluorescent tube; if tube starting success; ballast enters normal operating conditions; if starter takes place unusual; single-chip microcomputer cuts out output automatically; carry out starter after 5 minutes the 2nd time, single-chip microcomputer continues to detect dc bus current and carries out the 2nd starter judgement, so circulates 3 times; if also there is not the starter success after 3 times; ballast acquiescence abnormal condition of lamp tube is closed output, enters guard mode automatically; guarantee that ballast can not cause damage because of the starter problem, improved the useful life of intelligent road-lamp energy-saving electronic ballast greatly.
2, firm power control, multi-functional road lamp electric intelligence ballast gets, after the operate as normal, the Single-chip Controlling unit detect in good time and calculate performance number that current light fixture consumes and and the default performance number comparison of single-chip microcomputer, by changing the method for reverse frequency, change the reactance resistance of ballast inductance, reach the target of firm power, guarantee that ballast can not cause power deviation because of the difference of supporting fluorescent tube itself and reason such as wear out, improve the stability and the consistency of illuminator greatly, effectively prolonged the useful life of intelligent road-lamp energy-saving electronic ballast.
3, intelligent dimming, ballast work after midnight, pedestrian's rareness on the road, program can be carried out brightness adjustment control automatically according to setting-up time, reduces power consumption, after tested, the utility model ballast can be realized economizing on electricity more than 50%.
Description of drawings
Fig. 1 is the utility model overall structure schematic diagram;
Fig. 2 is the semi-bridge inversion partial circuit schematic diagram of the utility model embodiment;
The single chip machine controlling circuit schematic diagram of Fig. 3 the utility model embodiment;
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated.
Embodiment 1
As Figure 1-3, the utility model comprises having repeatedly Single-chip Controlling unit, driving control unit, power supply unit and the power subsystem that the control of starter function and firm power combines with the PWM dimming function.
The Single-chip Controlling unit comprises starter judge module and firm power control module and PWM light-adjusting module and the output control module that is connected with them.The current signal that the starter judge module sends according to the dc bus current detecting unit carries out starter and judges; during normal starter; output control module sends the operate as normal instruction; when starter occurring when unusual; output control module sends the instruction of unusual starter, and the Single-chip Controlling unit enters repeatedly starter state, when starter occurring repeatedly when unsuccessful; output control module is closed output, enters the abnormal protection state.Output control module is controlled with the pattern that the PWM light-adjusting module combines by the firm power control module simultaneously, during firm power control, the consumed power of light fixture is controlled in the maximum of program setting, during the PWM light modulation, requirement according to program setting changes reverse frequency, reaches the purpose of energy-saving dimming.Single-chip microcomputer also links to each other with current transformer in the single chip machine controlling circuit, and is connected with indicator light, is convenient to operate according to the staff.
Driving control unit can be provided with separately and also can be integrated in the power supply unit, and the input of described driving control unit connects the output of single-chip microcomputer control unit, the control end of the output termination semi-bridge inversion unit of described driving control unit.Described driving control unit converts the pwm signal of the Single-chip Controlling unit that receives to the drive signal of semi-bridge inversion unit.
Power subsystem comprises single-phase rectifier bridge module and the filter capacitor module in parallel with it does not controlled, and the 220V industrial-frequency alternating current of input is converted to the direct current of pulsation.
Multi-functional road lamp electric intelligence ballast also comprises power factor correction unit, the direct current of the pulsation of coming out through power subsystem, by power factor correction unit the mean value of input current is changed basically by the sinusoidal waveform of input voltage, power factor can reach more than 0.99, and the total harmonic distortion THD of input current is 3%~10%.
Power supply unit comprises semi-bridge inversion unit, starter control unit and ballast unit.The output of the DC side input termination power factor correction unit of described semi-bridge inversion unit, the driving of described semi-bridge inversion unit is judging that by the Single-chip Controlling unit starter success back output two-way pwm signal converts the grid of power P WM drive power MOSFET tube to through the PWM chip for driving, described starter control unit produces the build-up of luminance high pressure in the moment of switching on by step-up transformer, with tube starting; The high frequency square wave voltage of the mid point of described semi-bridge inversion unit output at tube starting after ballast unit provides the operating current of fluorescent tube steady operation.
Described starter control unit core is made of step-up transformer, and unit, described high-frequency electronic ballast is made of the high frequency ballast inductance, this ballast inductance and the secondary outlet side that is connected step-up transformer after high-pressure sodium lamp is connected.
The utility model entire work process is such: the direct current of AC power through obtaining pulsing behind the power subsystem, this direct current is through behind the power factor correction unit, obtain the direct current of High Power Factor, this direct current is through being produced the square wave of high-frequency and high-voltage by the power supply unit of Single-chip Controlling unit drives, by starting circuit lamp is lighted at last, and provided fluorescent tube stable operating current by the high-frequency electronic ballast circuit.The DC bus-bar voltage of dc bus current detecting unit after passing through detection power factor correcting unit behind each starter; whether starter is successful to send the Single-chip Controlling unit judges, guarantee that the ballast starter is normal, otherwise single-chip microcomputer cuts out output automatically; enter guard mode, guarantee the safety of ballast.The Single-chip Controlling unit detect in good time and calculate performance number that current light fixture consumes and and the default performance number of single-chip microcomputer relatively, by changing the method for reverse frequency, the reactance resistance of change ballast inductance reaches the target of firm power.Arrived the next time period that single-chip microcomputer is provided with,, realized regulating the sodium vapor lamp electric current, reached that control sodium vapor lamp electric current is energy-conservation, the purpose of light modulation, finally realized energy-conservationly by regulating the inverter output frequency.
Embodiment 2
On the basis of the foregoing description, as shown in Figure 1 to Figure 3, a kind of road lamp electric intelligence ballast wherein, comprises power subsystem, the Single-chip Controlling unit that is connected with power subsystem, the power supply unit that is connected with described Single-chip Controlling unit; The sodium vapor lamp that is connected with described power supply unit; Described power supply unit, the starter that comprise the semi-bridge inversion unit, is connected control and ballast unit with described semi-bridge inversion unit; Described Single-chip Controlling unit also is connected with repeatedly starter unit, firm power unit, PWM intelligent dimming unit.
In the above-mentioned enforcement, further, also comprise the output control module that is connected with described repeatedly starter unit, firm power unit and described PWM intelligent dimming unit; The current signal that described repeatedly starter unit sends according to the dc bus current detecting unit judges whether the starter success, and sends command adapted thereto to described output control module; Unit detection of described firm power and calculated power value also send command adapted thereto to described output control module; Described PWM intelligent dimming unit sends command adapted thereto to described output control module according to preset frequency.
In the above-mentioned enforcement, further, also comprise power factor correction unit, be arranged at described power subsystem and and described power supply unit between, be used to control the total harmonic distortion THD of input current at preset range.
In the above-mentioned enforcement, further, the input of described semi-bridge inversion unit and the output of described power factor correction unit, and be controlled by described PWM intelligence light modulation unit; Described starter control unit produces the build-up of luminance high pressure in the moment of switching on by step-up transformer, with tube starting; The high frequency square wave voltage of the mid point of described semi-bridge inversion unit output at tube starting after ballast unit provides the operating current of fluorescent tube steady operation.
In the above-mentioned enforcement, further, described starter control ballast unit core is step-up transformer and high frequency ballast inductance.
In the above-mentioned enforcement, further, described power supply unit also connects driving control unit, described driving control unit input connects the output of described Single-chip Controlling unit, the output of described driving control unit connects the control end of described semi-bridge inversion unit, and the pwm signal that is used for receiving described PWM intelligent dimming unit converts the drive signal of described semi-bridge inversion unit to.
In the above-mentioned enforcement, further, described driving control unit also connects and is controlled by the PWM control unit.
In the above-mentioned enforcement, further, the grid of the drive power MOSFET tube of described semi-bridge inversion unit.
In the above-mentioned enforcement, further, described power subsystem is provided with single-phase rectifier bridge and the filter capacitor in parallel with it does not controlled.
In the above-mentioned enforcement, further, described Single-chip Controlling unit also is connected with current transformer and indicator light.
Should be understood that, for those of ordinary skills, can be improved according to the above description or conversion, and all these improvement and conversion all should belong to the protection range of the utility model claims.

Claims (10)

1. a road lamp electric intelligence ballast is characterized in that, comprises power subsystem, the Single-chip Controlling unit that is connected with power subsystem, the power supply unit that is connected with described Single-chip Controlling unit; The sodium vapor lamp that is connected with described power supply unit; Described power supply unit comprises semi-bridge inversion unit, the starter control unit and the ballast unit that are connected with described semi-bridge inversion unit; Described Single-chip Controlling unit also is connected with firm power unit that the current signal that sends according to the dc bus current detecting unit judges whether repeatedly starter unit, detection and the calculated power value of starter success, sends the PWM intelligent dimming unit of command adapted thereto according to preset frequency.
2. road lamp electric intelligence ballast as claimed in claim 1 is characterized in that, also comprises the output control module that is connected with described repeatedly starter unit, described firm power unit and described PWM intelligent dimming unit.
3. road lamp electric intelligence ballast as claimed in claim 2 is characterized in that, also comprises the total harmonic distortion THD that the controls input current power factor correction unit at preset range, is arranged between described power subsystem and the described power supply unit.
4. road lamp electric intelligence ballast as claimed in claim 3 is characterized in that, the input that is controlled by the described semi-bridge inversion unit of described PWM intelligence light modulation unit simultaneously is connected with the output of described power factor correction unit.
5. road lamp electric intelligence ballast as claimed in claim 4 is characterized in that, described starter control unit is a step-up transformer; Described ballast unit is the high frequency ballast inductance.
6. road lamp electric intelligence ballast as claimed in claim 5, it is characterized in that, described power supply unit also connects the driving control unit that the pwm signal that will receive in the described PWM intelligent dimming unit converts the drive signal of described semi-bridge inversion unit to, described driving control unit input connects the output of described Single-chip Controlling unit, and the output of described driving control unit connects the control end of described semi-bridge inversion unit.
7. road lamp electric intelligence ballast as claimed in claim 6 is characterized in that, described driving control unit also connects and is controlled by the PWM control unit.
8. road lamp electric intelligence ballast as claimed in claim 7 is characterized in that, the grid of the drive power MOSFET tube of described semi-bridge inversion unit.
9. road lamp electric intelligence ballast as claimed in claim 8 is characterized in that, described power subsystem is provided with single-phase rectifier bridge and the filter capacitor in parallel with it does not controlled.
10. road lamp electric intelligence ballast as claimed in claim 9 is characterized in that, described Single-chip Controlling unit also is connected with current transformer and indicator light.
CN2012206365443U 2012-11-28 2012-11-28 Street lamp electronic intelligent ballast Expired - Fee Related CN203086833U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012206365443U CN203086833U (en) 2012-11-28 2012-11-28 Street lamp electronic intelligent ballast

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Application Number Priority Date Filing Date Title
CN2012206365443U CN203086833U (en) 2012-11-28 2012-11-28 Street lamp electronic intelligent ballast

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CN203086833U true CN203086833U (en) 2013-07-24

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103561531A (en) * 2013-11-22 2014-02-05 上海宏源照明电器有限公司 Electrodeless lamp ballast
CN106304583A (en) * 2016-09-09 2017-01-04 深圳市前海用电物联网科技有限公司 A kind of measurement regulation device of the white sodium vapor lamp of high pressure
WO2022036856A1 (en) * 2020-08-18 2022-02-24 浙江宇光照明科技有限公司 Constant-power ballast circuit with dimming function and control method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103561531A (en) * 2013-11-22 2014-02-05 上海宏源照明电器有限公司 Electrodeless lamp ballast
CN106304583A (en) * 2016-09-09 2017-01-04 深圳市前海用电物联网科技有限公司 A kind of measurement regulation device of the white sodium vapor lamp of high pressure
CN106304583B (en) * 2016-09-09 2020-02-11 湖南湘朗光电科技有限公司 Measurement regulation and control device of high-pressure sodium white lamp
WO2022036856A1 (en) * 2020-08-18 2022-02-24 浙江宇光照明科技有限公司 Constant-power ballast circuit with dimming function and control method

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