CN2819414Y

CN2819414Y - Timing powre-varible energy-saving inductant ballast for high-voltage gas discharging light

Info

Publication number: CN2819414Y
Application number: CN 200520103011
Authority: CN
Inventors: 周惠龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-06-16
Filing date: 2005-06-16
Publication date: 2006-09-20
Anticipated expiration: 2015-06-16

Abstract

The utility model relates to a timing energy-saving inductive ballast with variable power for a high-voltage gas discharging lamp. An inductive ballast unit adopts an XCD type wound iron core, and a coil is provided with the inductive ballast tapped at the center. A control unit comprises a converter, the state at least provided with a double-pole double-throw contact of which is converted according to set time, a first compensation capacitor and a second compensation capacitor, wherein one end of the first compensation capacitor and one end of the second compensation capacitor are connected with a power middle wire, and the other end of the first compensation capacitor and the other end of the second compensation capacitor are respectively connected with a normal open end of the contact and a corresponding second public end. After mutually connected in parallel, the first and the second public ends of the contact are connected with a power phase wire. A normal close end and the normal open end which correspond to the first public end are respectively connected with the rated input end and the middle tap of the coil of the inductive ballast. The output end of the coil of the inductive ballast is used for connecting with a bulb. After the structure is adopted, on one hand, the utility model has the advantages of little self loss, low temperature rise and long service life, and on the other hand, the impedance of the ballast can be altered at a preset time so as to realize the goal of decreasing the power of the bulb according to requirements.

Description

The timing that is used for high-voltage gas discharging light becomes the power energy-saving Inductive ballast

Technical field

The utility model relates to a kind of Inductive ballast, especially refers to a kind of Inductive ballast that is used on the high-voltage gas discharging light.

Background technology

At present, the road lighting of China adopts the high-power high voltage gaseous discharge lamp as light source mostly, is achieved and generally adopt traditional Inductive ballast structure to mix electronic trigger in the high-voltage gas discharging light.Because the iron core of Inductive ballast adopts cold rolling non-orientation silicon steel sheet closed assembly structure, so the loss of himself is big, temperature rise has stroboscopic, and power can not conversion.This accounts for the electric consumption on lighting of gross generation about 13% to power consumption, and its energy resource consumption and discharge of harmful gases are well imagined.Especially in the great majority, the small city, arrived small hours, pedestrian and vehicle on the roads such as some non-main trunk roads, development zone and scientific and technological park reduce gradually, particularly in each residential quarters, people have almost entered dreamland already, and use the unconvertible traditional Inductive ballast of this power this moment, can only make high-voltage gas discharging light keep original illuminance.Obviously, these are in a large amount of electric energy of waste, and the residence door around returning causes light pollution, influences people's rest.Simultaneously, such mode also can shorten the useful life of ballast and discharge lamp, so that increases unnecessary maintenance cost.Thereby the ballast that adopts said structure can't adapt to the energy-conservation requirement of modern illumination, the today at electric resources growing tension and electric consumption on lighting grow at top speed again, how to overcome above-mentioned defective, a major issue that has become people urgently to seek to solve.

Summary of the invention

Technical problem to be solved in the utility model is the situation at prior art, provides that a kind of loss is low, long service life and the timing that is used for high-voltage gas discharging light that can reduce bulb power as required automatically become the power energy-saving Inductive ballast.

The utility model solves the problems of the technologies described above the technical scheme that is adopted: this Inductive ballast comprises Inductive ballast unit and control unit, it is characterized in that: described Inductive ballast unit adopts XCD type volume iron core and its coil to have tapped Inductive ballast, and described control unit comprises by the time of setting and changes its transducer that has the dpdt double-pole double-throw (DPDT) contacts status at least and first building-out capacitor, second building-out capacitor, this is first years old, be used for connecting the center line of power supply after one end of second building-out capacitor is parallel with one another, and first, the other end of second building-out capacitor links to each other with its corresponding second common port with the Chang Kaiduan of above-mentioned contact respectively, first common port of above-mentioned contact be used for being connected phase line of power after second common port is parallel with one another, and link to each other with centre tap with the specified input of Inductive ballast coil respectively with corresponding normal-closed end of first common port and normal beginning, the output of described Inductive ballast coil then is used for connecting the bulb of discharge lamp.

Described transducer can comprise an integrated circuit (IC) chip and have the relay of above-mentioned contact and be in series with relay coil after be connected in bidirectional triode thyristor on the power supply, by being connected on the power supply behind step-down rectifier voltage stabilizing circuit, the filter circuit, its output then is connected with the control utmost point of above-mentioned bidirectional triode thyristor by divider resistance the power input of described integrated circuit (IC) chip respectively.

The structure that the cold-rolled orientation silicon steel roll coil of strip system that the iron core of described Inductive ballast adopts loss value to be lower than 1.5W when P17/50 forms.

Compared with prior art, advantage of the present utility model is: after adopting said structure, make the utility model own loss littler by 30%～40% on the one hand than traditional Inductive ballast, thereby its temperature rise is low, and can reduce lamp current crest ratio and inlet wire current harmonic wave again, the stroboscopic in lamp current zero passage time is reduced, and the requirement of restarting voltage of lamp after to zero passage reduces; When supply voltage raises, can also contain the rate of climb of lamp power simultaneously, prolong the useful life of ballast and bulb thus; Make the utility model under the predefined time, can change the impedance of ballast, the purpose that realizes economizing on electricity so that reduce bulb power as required on the other hand; Adopt building-out capacitor simultaneously, make the power factor of circuit be in optimum state all the time and the overcompensation phenomenon can not occur.Thereby the utlity model has dual energy-conservation function, be worth on existing gases at high pressure lamp, applying.

Description of drawings

Fig. 1 is the electrical schematic diagram after the utility model and bulb link;

Fig. 2 is the electrical schematic diagram of transducer among Fig. 1.

Embodiment

Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.

As shown in Figure 1, this Inductive ballast comprises Inductive ballast unit and control unit, wherein, the Inductive ballast unit adopts XCD type volume iron core and its coil to have the Inductive ballast of centre tap 1, here, the material of above-mentioned iron core adopts the silicon strip of high magnetic conduction low-loss cold-rolled orientation to roll and forms, i.e. its loss when P17/50 less than 1.5W; And coil employing temperature resistant grade is that H level, model are the high-strength polyester imines fat enamelled wire of QZY-2, and is wound on two stems of above-mentioned XCD sections core.Described control unit comprises the transducer and the first building-out capacitor C1 that changes its dpdt double-pole double-throw (DPDT) contacts status by the time of setting, the second building-out capacitor C2, this is first years old, be used for connecting the center line N of power supply after one end of second building-out capacitor is parallel with one another, and first, the other end of second building-out capacitor links to each other with its corresponding second common port L4 with the Chang Kaiduan L5 of above-mentioned contact respectively, the first common port L3 of above-mentioned contact be used for being connected phase line of power L after the second common port L4 is parallel with one another, and the normal-closed end L2 of the first common port L3 links to each other with centre tap 1 with the specified input 2 of Inductive ballast coil respectively with normal beginning L1, the output 3 of Inductive ballast coil then is used for connecting the bulb LD of high-voltage gas discharging light, the other end of this bulb LD links to each other with power supply center line N, simultaneously at the two ends of this fluorescent tube routinely and be connected to electronic trigger 4.

The electrical schematic diagram of above-mentioned transducer as shown in Figure 2, it comprises an integrated circuit die I C, has the relay and a two-way controllable silicon SCR of above-mentioned contact, it is the microcontroller of PIC12C508a that this integrated circuit die I C adopts model, it has eight pin, wherein 1., 8. pin is a power input, 7. pin be signal output part, also can adopt the identical chip of other function; The power input of integrated circuit die I C is respectively by being connected in behind step-down rectifier voltage stabilizing circuit, the filter circuit on phase line of power and the center line, here, the 7th capacitor C 7 parallel with one another and the 5th capacitor C 5 are formed conventional filter circuit, and the first diode D1, the 3rd diode D3, first resistance R 1, second resistance R 2 and the 6th capacitor C 6 are formed conventional step-down rectifier voltage stabilizing circuit.The output of integrated circuit die I C promptly the 7. pin be connected with the control utmost point of above-mentioned bidirectional triode thyristor SCR by divider resistance R7, and the end of bidirectional triode thyristor SCR and power supply center line N and integrated circuit (IC) chip 8. pin link to each other, after being in series, the other end and above-mentioned relay coil Z be connected on the phase line of power L, simultaneously, be parallel with the second diode D2 at the two ends of relay coil Z, in case action the time burns out coil.And integrated chip the 5. pin is connected in series the 4th resistance R 4 successively, the 5th resistance R 5 backs link to each other with phase line of power, and be attempted by the 3rd resistance R 3, the 3rd capacitor C 3 between the bidirectional triode thyristor SCR control utmost point and the power supply center line N and be attempted by the 5. peripheral circuit of the 4th capacitor C 4 composition routines between the pin of power supply center line N and integrated circuit (IC) chip.

After the circuit energized, power supply phase line L passes through to link to each other with the specified input 2 of ballast coil behind the first common port L3 and the normal-closed end L2 thereof, and this moment, bulb LD moved under rated power.When arrival is pressed the Power Conversion of road traffic flow setting during the time, the output of integrated circuit (IC) chip promptly the 7. pin will export the control utmost point of a pulse signal to bidirectional triode thyristor SCR, at this moment, the bidirectional triode thyristor conducting, relay coil Z gets electric back adhesive thereupon, promptly change the state of its contact, make the normally opened contact closure, and normally-closed contact is opened, at this moment, power supply phase line L moves ballast by the centre tap 1 that the first common port L3 and Chang Kaiduan L1 thereof are communicated in the ballast coil under 50%～60% state of rated power.The cut work of the second compensation condenser C2 simultaneously, and the corresponding first compensation condenser C1 puts into operation, makes the power factor of circuit be in optimum state all the time, and phenomenon that can the overcompensation of emergent power factor.

Though the utility model is when realizing that bulb becomes power, also make the illuminance of road descend 30%, but the illuminance of this moment can guarantee the safe passing requirement of road fully, and the overall dimension of ballast overall dimension of the present utility model and traditional electrical ballast is close, so can on the installation base plate, exchange, so that replace original traditional ballast.Thereby after promoting the use of this Inductive ballast, will when saving a large amount of electric energy, also prolong the useful life of land presser and bulb, thereby reach the purpose that economize on electricity subtracts expense.

Claims

1, a kind of timing that is used for high-voltage gas discharging light becomes the power energy-saving Inductive ballast, it comprises Inductive ballast unit and control unit, it is characterized in that: described Inductive ballast unit adopts XCD type volume iron core and its coil to have the Inductive ballast of centre tap (1), and described control unit comprises by the time of setting and changes its transducer that has the dpdt double-pole double-throw (DPDT) contacts status at least and first building-out capacitor (C1), second building-out capacitor (C2), this is first years old, be used for connecting the center line (N) of power supply after one end of second building-out capacitor is parallel with one another, and first, the other end of second building-out capacitor links to each other with its corresponding second common port (L4) with the Chang Kaiduan (L5) of above-mentioned contact respectively, first common port (L3) of above-mentioned contact be used for being connected phase line of power (L) after second common port (L4) is parallel with one another, and link to each other with centre tap (1) with the specified input (2) of Inductive ballast coil respectively with corresponding normal-closed end of first common port (L3) (L2) and normal beginning (L1), the output of described Inductive ballast coil (3) then is used for connecting the bulb (LD) of discharge lamp.

2, the timing that is used for high-voltage gas discharging light according to claim 1 becomes the power energy-saving Inductive ballast, it is characterized in that: described transducer comprise an integrated circuit (IC) chip (IC) and have the relay of above-mentioned contact and be in series with relay coil (Z) after be connected in bidirectional triode thyristor (SCR) on the power supply, by being connected on the power supply behind step-down rectifier voltage stabilizing circuit, the filter circuit, its output then is connected by the control utmost point of divider resistance (R7) with above-mentioned bidirectional triode thyristor (SCR) power input of described integrated circuit (IC) chip (IC) respectively.

3, the timing that is used for high-voltage gas discharging light according to claim 1 and 2 becomes the power energy-saving Inductive ballast, it is characterized in that: the structure that the cold-rolled orientation silicon steel roll coil of strip system that the iron core of described Inductive ballast adopts loss value to be lower than 1.5W when P17/50 forms.