CN103402298A - Continuous variable power inductive ballast and continuous variable power electric appliance - Google Patents
Continuous variable power inductive ballast and continuous variable power electric appliance Download PDFInfo
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- CN103402298A CN103402298A CN2013103419741A CN201310341974A CN103402298A CN 103402298 A CN103402298 A CN 103402298A CN 2013103419741 A CN2013103419741 A CN 2013103419741A CN 201310341974 A CN201310341974 A CN 201310341974A CN 103402298 A CN103402298 A CN 103402298A
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- inductor
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- 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
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Abstract
The invention relates to a continuous variable power inductive ballast which comprises a first inductor, a second inductor, a conversion device connected with the second inductor in series and a controller which controls the conversion device, wherein the controller comprises a detection device, a timing device and a control device. The controller is characterized in that the detection device detects a current flowing through the first inductor, and when the current flowing through the first inductor is zero and the timing device starts to timing, the control device controls the conversion device, so that the conversion device is conductive to the second inductor after delaying an appropriate time (t0). Therefore continuous variable power control is realized, the service life of the electric appliance is prolonged, and the energy waste is reduced. Meanwhile, the power of the electric appliance is changed according to demand, so that the electric appliance is efficient and economical in use.
Description
Technical field
The present invention relates to a kind of continuous change power inductance ballasts, particularly a kind of continuous change power electrical appliance.
Background technology
Inductor is an iron inductance coil, when the electric current in coil changes, in coil, causes the variation of magnetic flux, thereby produces induced electromotive force, and its direction is opposite with sense of current, thereby hinders the variation of electric current.
Inductive ballast is the control device of gaseous discharge lamp for startup and current limliting, because gaseous discharge lamp has negative voltage-current characteristic.After lamp passes through high voltage startup, voltage drop, electric current strengthens, thus must in the loop that lights a lamp of electric discharge, provide the startup high pressure by Inductive ballast of series connection, and the restriction lamp current makes it stable.If do not added restriction, lamp current constantly increases and causes lamp to burn.
In patent document 201220218134.7, the present inventor has provided the two power devices of a kind of Inductive ballast, has realized two power illuminations of high-intensity-gas lamp system, to adapt to the lighting demand of different periods, thereby reaches the economize on electricity purpose.But this scheme is not considered electric power system and is changed the operating state cause electrical appliance to be in exceeding the quata to determine power.
The electric energy that China's illumination at present consumes accounts for the 10%-20% of total electric weight, wherein street lighting accounts for 30%, the annual street lamp in the whole nation consumes 1,000 hundred million yuan, and with the speed increment more than 10%, for saves energy, present gaseous discharge lamps that adopt in urban lighting system, such as sodium vapor lamp etc., and this class lighting device uses especially at night more.Yet at night, the civil power that is generally 220 volts can increase, and the highlyest may reach 260 volts of voltages, and this power that can cause lighting device is with the every rising 10% of input voltage, the lighting device power 17-20% that more rises.Thereby greatly shortened the useful life of lighting device.Therefore the lighting device that normally can use 30,000 hours can shorten to 10,000 hours.
For the problems referred to above, known a kind of technical solution scheme (seeing patent document 200710168638.6) is at present: two inductors of connecting, one of them inductor arranges a breaking device when this breaking device is opened, by this inductance short circuit.Namely this moment only have another inductor work, thereby as civil power 220v when increase night, reduce the power on lighting device.But this technical scheme has produced a large amount of thermal lossess, and electric energy is by in vain waste.
Summary of the invention
The inventor proposes by inductor, to electrical appliance, to carry out the Inductive ballast of power controllable, thereby has realized electrical appliance, particularly the continuous setup of the brightness of lighting device.
Thereby, the invention provides a kind of continuous change power inductance ballasts, realize that becoming continuously power controls, make bulb life extend, reduce energy waste.Conversion light on demand simultaneously, make lamp efficient, save and use.
In addition, the present invention also provides a kind of continuous change power inductance ballasts, electrical appliance is carried out to the control of firm power, in order to eliminate daytime in city and loss that evening, voltage instability brought, the useful life that has greatly strengthened lighting device.
The present invention adopts following technical scheme:
A kind of continuous change power inductance ballasts, comprise the first inductor and the second inductor in parallel, with the conversion equipment that the second inductor is connected, control the controller of this conversion equipment, this controller comprises checkout gear, time set and control device, it is characterized in that, this checkout gear detects the electric current of first inductor of flowing through, and described time set starts timing when the electric current through the first inductance is zero, described control device is controlled described conversion equipment, makes and postpones suitable time (t
0) after, this second inductor of described conversion equipment conducting.
Best, described controller also comprises feedback device and comparison means, power and the rated power of the electrical appliance that will use described Inductive ballast compare thereby described feedback device is connected with described comparison means, described control device is controlled described conversion equipment according to comparative result, while making power when electrical appliance greater than rated power, postpone suitable time (t
0) after, this second inductor of described conversion equipment conducting, this suitable time (t
0) make the electric current sum of this first inductor and the second inductor just guarantee power by electrical appliance near rated power or equal rated power.
Preferably, described time of delay is corresponding to the ratio of the waveform of the shared electric current through the first inductor of the waveform of the electric current through the second inductor.
Preferably, described conversion equipment is thyristor, field effect transistor, IGBT pipe or triode.
Preferably, described electrical appliance is the high-intensity-gas lamp of outdoor lighting.
Preferably, described controller is Programmable Logic Controller.
Preferably, described feedback device connects upstream or the downstream of described electrical appliance, by instantaneous electrical appliance Feedback of Power, gives described comparison means.
The present invention gives a kind of continuous change power electrical appliance, comprises electrical appliance, it is characterized in that, comprises above-mentioned continuous change power inductance ballasts.
Best, described electrical appliance is the high-intensity-gas lamp.
Operation principle of the present invention is:
The present invention has applied the exclusive characteristic of inductor, i.e. during each inductor conducting, its current sinusoidal ripple is all started from scratch, and along with the input current cycle changes.Particularly, the power of feedback electrical appliance compares with the rated power of setting in comparison means, and is poor greater than zero the time when the two, by the central controller controls controllable silicon, opens compensating inductance.The power stability device comprises the inductor of two parallel connections, in one of them inductor branch road, be connected with control device (as controllable silicon), this control device (controllable silicon) is connected with central controller, according to the control signal of central controller, control this inductor branch road, make when the power that detects greater than zero the time, this inductor of t conducting time of delay, thus the electric current sum of two inductors just guarantees power by electrical appliance near rated power or equals rated power.
Good effect of the present invention is:
Realize that becoming continuously power controls, make bulb life extend, reduce energy waste.Conversion light on demand simultaneously, make lamp efficient, save and use.
The accompanying drawing explanation
Fig. 1 is the electrical block diagram of described continuous change power inductance ballasts;
Fig. 2 illustrates the curve chart of controlling curent change in continuous change power inductance ballasts of the present invention;
Fig. 3 shows the schematic diagram of another preferred embodiment of the present invention.
Description of reference numerals:
1, become continuously power inductance ballasts; 3, electrical appliance; 4, trigger equipment, 5 controllers
Embodiment
Below in conjunction with accompanying drawing and the preferred embodiments of the present invention, further illustrate the present invention.
As shown in Figure 1, the present invention includes singlechip controller 5, inductor L2 and L1, the triggering system of lighting a lamp 4 and coupled HID bulb 3.Described ballast L1 and L2 are connected in parallel, and wherein inductor L2 is connected with conversion equipment K1(such as switching tube K1), can be thyristor, field effect transistor, IGBT pipe, triode constant power pipe.
In a preferred embodiment of the present invention, described singlechip controller 5 comprises checkout gear, time set and control device.The input of described inductor L1 is connected with 220V power supply input live wire, and inductor L1 output is connected with the HID bulb, and HID bulb 3 other ends are connected with the triggering system 4 of lighting a lamp, and the triggering system of lighting a lamp 4 other ends are connected with 220V power supply input ground wire; The input of described inductor L2 is connected with 220V power supply input live wire, inductor L2 output and switching tube K1 series winding, and switching tube K1 control end is connected with the monolithic controller, and singlechip controller 5 other ends are connected with 220V power supply input ground wire.As can be seen from Figure 1, be in series with the inductor L2 branch road of switching tube K1 in parallel with inductor L1.
Such Inductive ballast 1, as described below is the adjusting that has realized electrical appliance.
By the whole system energising, the triggering system of lighting a lamp triggers the HID bulb to light, and this moment, singlechip controller was closed switching tube K1, and lamp current only has the first Inductive ballast L1 to flow out electric current I
1, as shown in Figure 2, this electric current is sine-wave current, and the checkout gear of singlechip controller 5 detects the electric current of the inductor L1 that flows through, and when the electric current through inductor L1 was zero, described time set started timing, according to circumstances postpones t
0Time, the control device of this singlechip controller 5 is controlled electric conduction sensor L2, thereby makes the electric current through this Inductive ballast 1 increase.Thereby realize the power adjustments to electrical appliance.
Electric current I as can see from Figure 2
2Size and time delay t
0Time is relevant, t
0Less I
2Larger, regulate t
0Size, namely regulated electric current I
2, also just regulate lamp current, thereby reached the purpose of continuous adjusting lamp power, can regulate on demand light thus.
in another preferred embodiment of the present invention, as shown in Figure 3, this singlechip controller 5 also comprises feedback device and comparison means, described feedback device is connected to the upstream of electrical appliance 3 or downstream (shown in figure, being connected to upstream) one time by the timely feedback and this instantaneous power is fed back to coupled and comparison means of the instantaneous power of this electrical appliance, thereby will use power and the rated power of the electrical appliance 3 of described Inductive ballast 1 to compare, described control device is controlled described conversion equipment K1 according to comparative result, while making power when electrical appliance 3 greater than rated power, postponing suitable time t
0the time, described controller is controlled conversion equipment electric conduction sensor L2, described suitable time t
0make the electric current I of this inductor L1
1electric current I with inductor L2
2with electric current I, just guarantee power by electrical appliance near rated power or equal rated power.
Because the setting of lamp power detection device, realized the control to the permanent power of electrical appliance.Wherein, arrange that to be with described inductor L2 namely to open without time delay (be t
0=0), the output current of described Inductive ballast 1 has guaranteed that electrical appliance is in the nominal operation state at this moment.
Therefore although civil power has increased, as even higher as 250v, described Inductive ballast 1 can be adjusted electrical appliance 3(such as high-pressure sodium lamp) be in all the time the nominal operation state.
The variation relation of the current waveform of two inductance L 1 in Inductive ballast 1 and L2 has been shown in Fig. 2, and those skilled in the art easily understand according to disclosed content can make conversion, only otherwise exceed the protection range of claims of the application.
Foregoing description is only used for illustrating the present invention rather than is used for limiting protection scope of the present invention.Those skilled in the art are easily from above-mentioned instruction, drawing multiple improvement and distortion, only otherwise exceed the protection range of claim.
Claims (9)
1. one kind becomes power inductance ballasts continuously, comprise the first inductor and the second inductor in parallel, with the conversion equipment that the second inductor is connected, control the controller of this conversion equipment, this controller comprises checkout gear, time set and control device, it is characterized in that, this checkout gear detects the electric current of first inductor of flowing through, and described time set starts timing when the electric current through the first inductance is zero, described control device is controlled described conversion equipment, makes and postpones suitable time (t
0) after, this second inductor of described conversion equipment conducting.
2. continuous change power inductance ballasts according to claim 1, it is characterized in that, described controller also comprises feedback device and comparison means, power and the rated power of the electrical appliance that will use described Inductive ballast compare thereby described feedback device is connected with described comparison means, described control device is controlled described conversion equipment according to comparative result, while making power when electrical appliance greater than rated power, postpone suitable time (t
0) after, this second inductor of described conversion equipment conducting, this suitable time (t
0) make the electric current sum of this first inductor and the second inductor just guarantee power by electrical appliance near rated power or equal rated power.
3. continuous change power inductance ballasts according to claim 1, is characterized in that, described time of delay is corresponding to the ratio of the waveform of the shared electric current through the first inductor of the waveform of the electric current through the second inductor.
4. continuous change power inductance ballasts according to claim 1, is characterized in that, described conversion equipment is thyristor, field effect transistor, IGBT pipe or triode.
5. continuous change power inductance ballasts according to claim 1, is characterized in that, described electrical appliance is the high-intensity-gas lamp of outdoor lighting.
6. continuous change power inductance ballasts according to claim 1, is characterized in that, described controller is Programmable Logic Controller.
7. continuous change power inductance ballasts according to claim 2, is characterized in that, described feedback device connects upstream or the downstream of described electrical appliance, by instantaneous electrical appliance Feedback of Power, gives described comparison means.
8. one kind becomes the power electrical appliance continuously, comprises electrical appliance, it is characterized in that, comprises the described continuous change power inductance ballasts of any one according to claim 1-7.
9. continuous change power electrical appliance according to claim 8, is characterized in that, described electrical appliance is the high-intensity-gas lamp.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310341974.1A CN103402298B (en) | 2013-08-07 | 2013-08-07 | Continuous variable power inductive ballast and continuous variable power electric appliance |
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|---|---|---|---|
| CN201310341974.1A CN103402298B (en) | 2013-08-07 | 2013-08-07 | Continuous variable power inductive ballast and continuous variable power electric appliance |
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| CN103402298A true CN103402298A (en) | 2013-11-20 |
| CN103402298B CN103402298B (en) | 2015-02-18 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200966179Y (en) * | 2006-10-11 | 2007-10-24 | 中国电子科技集团公司第五十研究所 | Serial zero current switching controlled street lamp energy-saving device |
| CN200973195Y (en) * | 2006-11-09 | 2007-11-07 | 佛山市新昇电业制造有限公司 | Power changed energy-saving inductance ballast for HID lamp |
| CN201167432Y (en) * | 2008-02-29 | 2008-12-17 | 朱其银 | Variable power apparatus for presetting time of high voltage sodium lamp |
| CN102595748A (en) * | 2011-12-20 | 2012-07-18 | 无锡市爱诺泰能源科技有限公司 | Stepless variable power inductive ballast |
| CN102695345A (en) * | 2012-06-01 | 2012-09-26 | 雷锡社 | Energy-efficiency intelligent ballast |
| CN202587555U (en) * | 2012-05-16 | 2012-12-05 | 北京昊臣天宇科技有限公司 | Inductance ballast dual-power device |
| CN203457395U (en) * | 2013-08-07 | 2014-02-26 | 北京昊臣天宇科技有限公司 | Continuous variable power inductance ballast and continuous variable power electric appliance |
-
2013
- 2013-08-07 CN CN201310341974.1A patent/CN103402298B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200966179Y (en) * | 2006-10-11 | 2007-10-24 | 中国电子科技集团公司第五十研究所 | Serial zero current switching controlled street lamp energy-saving device |
| CN200973195Y (en) * | 2006-11-09 | 2007-11-07 | 佛山市新昇电业制造有限公司 | Power changed energy-saving inductance ballast for HID lamp |
| CN201167432Y (en) * | 2008-02-29 | 2008-12-17 | 朱其银 | Variable power apparatus for presetting time of high voltage sodium lamp |
| CN102595748A (en) * | 2011-12-20 | 2012-07-18 | 无锡市爱诺泰能源科技有限公司 | Stepless variable power inductive ballast |
| CN202587555U (en) * | 2012-05-16 | 2012-12-05 | 北京昊臣天宇科技有限公司 | Inductance ballast dual-power device |
| CN102695345A (en) * | 2012-06-01 | 2012-09-26 | 雷锡社 | Energy-efficiency intelligent ballast |
| CN203457395U (en) * | 2013-08-07 | 2014-02-26 | 北京昊臣天宇科技有限公司 | Continuous variable power inductance ballast and continuous variable power electric appliance |
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| CN103402298B (en) | 2015-02-18 |
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