CN203457395U - Continuous variable power inductance ballast and continuous variable power electric appliance - Google Patents
Continuous variable power inductance ballast and continuous variable power electric appliance Download PDFInfo
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- CN203457395U CN203457395U CN201320481426.4U CN201320481426U CN203457395U CN 203457395 U CN203457395 U CN 203457395U CN 201320481426 U CN201320481426 U CN 201320481426U CN 203457395 U CN203457395 U CN 203457395U
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Abstract
The utility model relates to a continuous variable power inductance ballast, which comprises a first inductor and a second inductor. The first inductor and the second inductor are in parallel connection. The ballast further comprises a conversion device serially connected with the second inductor and a controller controlling the conversion device. The controller comprises a detection device, a timing device and a control device. The ballast is characterized in that the detection device detects a current flowing through the first inductor; every time the current flowing through the first inductor is zero, the timing device starts to time; the control device controls the conversion device and makes the second inductor conducted through the conversion device after a proper time (t0) delay; and continuous variable power control is thus achieved. The service lifetime of an electric appliance is prolonged. A waste of energy is reduced. Meanwhile, the power of the electric appliance can be changed according to demands. The electric appliance is used in a highly-efficient and saving way.
Description
Technical field
The utility model 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 contrary with sense of current, thereby hinders the variation of electric current.
Inductive ballast is gaseous discharge lamp for starting the control device with current limliting, because gaseous discharge lamp has negative voltage-current characteristic.When lamp is by after high voltage startup, voltage drop, electric current strengthens, so the Inductive ballast of must connecting in the loop that lights a lamp of electric discharge provides startup high pressure, and limits lamp current and makes it stable.If do not added restriction, lamp current constantly increases and causes lamp to burn.
In patent document 201220218134.7, 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 economize on electricity object.But this scheme is not considered electric power system, variation causes the operating state of electrical appliance in super rated 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 more than 10% speed increment, 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, the highlyest may reach 260 volts of voltages, this can cause the power of lighting device 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.Now only have another inductor work, thereby when civil power 220v is when increase night, reduce the power on lighting device.But this technical scheme has produced a large amount of thermal lossess, electric energy is by waste in vain.
Summary of the invention
The inventor proposes by inductor, electrical appliance to be carried out the Inductive ballast of power controllable, thereby has realized electrical appliance, particularly the continuous setup of the brightness of lighting device.
Thereby a kind of continuous change power inductance ballasts of the utility model, realizes and become continuously power control, make bulb life extend, reduce energy waste.Simultaneously convert on demand light, make lamp efficient, save and use.
In addition, the utility model also provides a kind of continuous change power inductance ballasts, electrical appliance is carried out to the control of firm power, to eliminate daytime in city and loss that evening, voltage instability brought, the useful life that has greatly strengthened lighting device.
The utility model 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, when the electric current through the first inductance is zero described in time set start timing, described control device is controlled described conversion equipment, makes to postpone suitable time (t
0) after, this second inductor of described conversion equipment conducting.
Best, described controller also comprises feedback device and comparison means, thereby described feedback device is connected with described comparison means and will uses power and the rated power of the electrical appliance of described Inductive ballast to compare, described control device is controlled described conversion equipment according to comparative result, make when the power of electrical appliance is 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 to approach rated power or equal rated power by the power of electrical appliance.
Preferably, described time of delay is corresponding to the ratio of the waveform of the shared electric current through the first inductor of waveform of the electric current through the second inductor.
Preferably, described conversion equipment is thyristor, field effect transistor, IGBT pipe or triode.
Preferably, the high-intensity-gas lamp that described electrical appliance is 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 utility model 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 high-intensity-gas lamp.
Operation principle of the present utility model is:
The utility model has been 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, when the two difference is greater than zero, by central controller controls controllable silicon, opens compensating inductance.Power stability device comprises two inductors in parallel, 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 detecting is greater than zero, this inductor of t conducting time of delay, thus the electric current sum of two inductors just guarantees to be approached rated power or equaled rated power by the power of electrical appliance.
Good effect of the present utility model is:
Realize and become continuously power control, make bulb life extend, reduce energy waste.Simultaneously can convert on demand light, make lamp efficient, save and use.
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 utility model;
Fig. 3 shows the schematic diagram of another preferred embodiment of the present utility model.
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 utility model.
As shown in Figure 1, the utility model comprises 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(as switching tube K1), can be thyristor, field effect transistor, IGBT pipe, triode constant power pipe.
In a preferred embodiment of the present utility model, 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 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 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 having realized electrical appliance.
By whole system energising, the triggering system of lighting a lamp triggers HID bulb to light, and now singlechip controller is 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 is zero, described time set starts timing, according to circumstances postpones t
0time, the control device of this singlechip controller 5 is controlled electric conduction sensor L2, thereby makes to increase through the electric current of this Inductive ballast 1.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, regulated electric current I
2, also just regulate lamp current, thereby reached the object of continuous adjusting lamp power, can regulate on demand light thus.
In another preferred embodiment of the present utility model, 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 instantaneous power of this electrical appliance feedback and this instantaneous power is fed back to coupled and comparison means in time, 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, make when the power of electrical appliance 3 is greater than rated power, postponing suitable time t
0time, 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
2just guarantee to approach rated power or equal rated power by the power of electrical appliance with electric current I.
Because the setting of lamp power detection device, has realized the control to the permanent power of electrical appliance.Wherein, arrange that to be with described inductor L2 to open without time delay (be t
0=0), now the output current of described Inductive ballast 1 has guaranteed that electrical appliance is in nominal operation state.
Although therefore civil power has increased, as even higher in 250v, described Inductive ballast 1 can be adjusted electrical appliance 3(as high-pressure sodium lamp) all the time in nominal operation state.
The variation relation that the current waveform of two inductance L 1 in Inductive ballast 1 and L2 has been shown in Fig. 2, 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 utility model rather than is used for limiting protection range of the present utility model.Those skilled in the art easily draw multiple improvement and distortion from above-mentioned instruction, 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, when the electric current through the first inductance is zero described in time set start timing, described control device is controlled described conversion equipment, makes to postpone 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, thereby described feedback device is connected with described comparison means and will uses power and the rated power of the electrical appliance of described Inductive ballast to compare, described control device is controlled described conversion equipment according to comparative result, make when the power of electrical appliance is 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 to approach rated power or equal rated power by the power of electrical appliance.
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 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, the high-intensity-gas lamp that described electrical appliance is 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. become continuously a power electrical appliance, comprise electrical appliance, it is characterized in that, comprise according to the continuous change power inductance ballasts described in any one in claim 1-7.
9. continuous change power electrical appliance according to claim 8, is characterized in that, described electrical appliance is high-intensity-gas lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320481426.4U CN203457395U (en) | 2013-08-07 | 2013-08-07 | Continuous variable power inductance ballast and continuous variable power electric appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320481426.4U CN203457395U (en) | 2013-08-07 | 2013-08-07 | Continuous variable power inductance ballast and continuous variable power electric appliance |
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|---|---|
| CN203457395U true CN203457395U (en) | 2014-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320481426.4U Withdrawn - After Issue CN203457395U (en) | 2013-08-07 | 2013-08-07 | Continuous variable power inductance ballast and continuous variable power electric appliance |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103402298A (en) * | 2013-08-07 | 2013-11-20 | 北京昊臣天宇科技有限公司 | Continuous variable power inductive ballast and continuous variable power electric appliance |
-
2013
- 2013-08-07 CN CN201320481426.4U patent/CN203457395U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103402298A (en) * | 2013-08-07 | 2013-11-20 | 北京昊臣天宇科技有限公司 | Continuous variable power inductive ballast and continuous variable power electric appliance |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140226 Effective date of abandoning: 20150218 |
|
| RGAV | Abandon patent right to avoid regrant |