CN104412707A - Operating device for an illuminant and method for operating an operating device - Google Patents
Operating device for an illuminant and method for operating an operating device Download PDFInfo
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- CN104412707A CN104412707A CN201380019677.3A CN201380019677A CN104412707A CN 104412707 A CN104412707 A CN 104412707A CN 201380019677 A CN201380019677 A CN 201380019677A CN 104412707 A CN104412707 A CN 104412707A
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- voltage
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- control device
- factor correction
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/10—Controlling the intensity of the light
- H05B45/14—Controlling the intensity of the light using electrical feedback from LEDs or from LED modules
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
- H05B45/59—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits for reducing or suppressing flicker or glow effects
Abstract
An operating device (2) for an illuminant (3) comprises a power factor correction circuit (20), a transformer (30), which is connected to the power factor correction circuit (20) and has an output (41) for supplying power to the illuminant (3), and a control device (14) having an input (51) for sensing the voltage (Vbus) that is provided for the transformer (30) by the power factor correction circuit (20). The control device (14) is set up to perform an evaluation of voltage ripples in the voltage (Vbus) and to take the evaluation as a basis for determining a load (3) connected to the output (41) of the transformer (30) and/or an output power from the transformer (30).
Description
The present invention relates to a kind of operating equipment for light-emitting device.The invention particularly relates to this kind of operating equipment with circuit of power factor correction.
Power factor correction (" power factor correction " PFC) is used to avoid or at least reduce occurring harmonic current in input current.Harmonic current may especially appear in non-linear customer, such as have in the supply in the rectifier of continuous filtering, because when such customer, although input voltage is sinusoidal form, there is skew and the distortion of non-sine form occur in the phase place of input current.The high-frequency harmonic vibration now occurred can by being activated of connecting in each device front or the circuit of power factor correction of clock control resist.Circuit of power factor correction can also be used for the operating equipment of lighting mechanism, the electric ballast of such as fluorescent illumination mechanism or LED transducer.This circuit is significant at the device for operating lighting mechanism, this is because specification limits is sent back to and allows harmonic wave in supply network.
Usually wish that operating equipment can be used to different light-emitting devices, such as, for having the LED module of varying number LED.Desirably, providing can the operating equipment of load that is connected of the output of detecting and transform device automatically.This makes to make the control of operating equipment or adjustment and load adapt if desired.Information can be defined as a measured value by measuring process and adjust running parameter according to this measured value by operating equipment automatically for this reason.
Document EP1881745A1 utilizes spiral resistive measurement to achieve detection to lamp type.The type detection that parameter of igniting corresponds to this lamp sets, and starts lamp.Deriving power by ignitor supply and again deriving correcting in lamp type testing process by this power is this power and the parameter of circuit of power factor correction that arranges.
International Publication file WO2009/146934A2 describes method and apparatus, the turn-on time of the PFC switch wherein adopting APFC (" PFC ") especially to measure from a parameter, and at least one running parameter adopting operating equipment.
Therefore, when operating equipment is so-called SELV (" single ELV " or " safety extra low voltage ") equipment, a requirement can especially be expressed to the detection of the load of operating equipment output.For security reasons there is potential isolation having between the SELV side of low-voltage and non-SELV side in such devices, this non-SELV side and SELV side are that electric isolution is opened.Such electric current is required in for the operating equipment of light-emitting component to cut off or potential isolation is for security consideration, to make ELV (special low pressure) district by so-called potential barrier or SELV potential barrier and to have higher supply voltage and the zone isolation of especially line voltage.
Be conventionally used to detection converter output end, i.e. the method for the attribute of the load of the output of SELV side is included in the process that SELV side obtains measured value.But the measured value that corresponding assessment and control needs use corresponding logical block in SELV side or return via SELV potential barrier.The circuit engineering cost of two processes all to additional is relevant
Task is to provide apparatus and method and provides the improvement project about described problem.Task is, provides apparatus and method, wherein can detect the load of operating equipment output and/or power output.
Task is, provides apparatus and method, wherein need not obtain measured value on the secondary side for load detecting in the operating equipment with potential barrier.
According to the present invention, provide a kind of have the feature provided in the independent claim, for the operating equipment of light-emitting device and method.Dependent claims limit the present invention favourable and preferred embodiment.
According in the method and apparatus of execution mode, operating equipment has the circuit of power factor correction providing voltage to transducer.This transducer can be insulation or nonisulated formula resonance converter, such as, be LLC resonance converter.The output (also can be used as the output of operating equipment) of this transducer operationally provides electric energy to light-emitting device.The control device of circuit of power factor correction can be implemented and be arranged so that it is according to assessment ripple voltage, and the ripple voltage of the peak-peak voltage especially in the voltage that provides to transducer of circuit of power factor correction determines the power output of load and/or the transducer be connected with the output of transducer.
Allow according to ripple voltage according to the method and apparatus of execution mode, especially to the assessment of the ripple voltage of the peak-peak voltage provided by circuit of power factor correction to detect load and/or the power output of transducer.The measured value assessed for remained capacity will obtain in primary side.Measured value might not be obtained on the SELV side of operating equipment for load detecting process.
Such as in order to detect different loads, control device can be arranged for and detect multiple LED, these LED are powered by the output of transducer.According to the amplitude of the ripple voltage in the voltage provided by circuit of power factor correction, when returning the measured value about SELV potential barrier, this or other load detecting process is feasible.
This control device can the mode when use characteristic curve such as by form inquiry be determined.This control device can use the load so determined so that according to another characteristic curve, and such as determined the parameter of Operational Conversion Unit by another form inquiry, this form inquiry should be used to the load detected.The operation that this control device can control operating equipment according to the load detected and/or power output in a different manner.
In one embodiment, the luminous intensity of light-emitting device is adjusted to rated value by the load that this control device is configured to according to detecting.As an alternative or supplement, the load that this control device can be configured to according to detecting suppresses color shift.As an alternative or supplement, this control device can be configured to suppress flicker according to the load detected.
This control device can act on the operation of operating equipment in a different manner to control this operation according to the load detected.The mode of operation that this control device can be selected for circuit of power factor correction according to the load detected.This control device can be selected according to the load detected, whether should when DCM (" discontinuous conduction mode ") work or at continuous print and the continuous current by inductor, that is: the operating power factor correcting circuit when BCM (" critical conduction mode " or " border conduction mode ") works.The running parameter that this control device also can be selected for circuit of power factor correction according to the load detected.Such as, this control device can according to the turn-on time of the power switch 24 of the circuit of power factor correction 20 of the adjustment of load detected when BCM works (" Ton " time).As an alternative or supplement, this control device can adjust the stand-by period before the power switch connection of the circuit of power factor correction when DCM works or the shortest stand-by period according to the load detected.
This control device also can according to the mode of operation of the load selection detected for transducer.This control device can be selected according to the load detected, Operational Conversion Unit (wherein cutting off half-bridge or the full-bridge regular hour section of transducer) should be carried out with pulsed operation state, or Operational Conversion Unit should be carried out with continuous duty, such as, for amplitude light modulation.This control device automatically can determine the running parameter of transducer according to the load detected, the connection frequency of the half-bridge of such as transducer or the switch of full-bridge.
This operating equipment can be implemented as the form of LED converter.This operating equipment also can be implemented as the form of constant voltage source.This operating equipment can be implemented as and make to realize the adjustment to operating equipment output voltage.
This control device can be implemented as the form of integrated circuit, is especially implemented as special particular electrical circuit (ASIC " application-specific integrated circuit (ASIC) ").
Corresponding with the execution mode of the operating equipment according to embodiment with the effect therefore reached separately according to the method for different execution modes.
In conjunction with preferred implementation in detail the present invention is described in detail hereinafter with reference to accompanying drawing.
Fig. 1 shows the illuminator with circuit of power factor correction according to an execution mode.
Fig. 2 shows the circuit diagram of the operating equipment according to an execution mode.
Fig. 3 has described out the load detecting process of the peak-peak voltage of the ripple voltage based on bus voltage, and this peak-peak voltage is used by the control device according to an execution mode operating equipment.
Fig. 4 has described out the process of the peak-peak voltage knowing ripple voltage, and this peak-peak voltage is used by the control device of the operating equipment according to an execution mode.
Fig. 5 is the block diagram of the control device of operating equipment according to an execution mode.
Fig. 1 shows and comprises for lighting device 3, such as, for the block diagram of the illuminator 1 of the operating equipment 2 of LED.Operating equipment 2 can be connected with bus 4 or wireless connection system, to receive dimming commands and/or status report.
Operating equipment 2 such as can be embodied as gaseous discharge lamp, luminescent material lamp or another fluorescent illuminating device or be embodied as LED converter.Operating equipment 2 has rectifier 10 to supply power voltage, such as carry out rectification to supply voltage.Function circuit 2 has circuit of power factor correction 11.Function circuit 2 has control device 14.Circuit of power factor correction 11 provides a voltage Vbus, is also referred to as bus voltage, for the downstream components of operating equipment 2.Can reach another voltage transitions and/or dimming function by transducer 12, this transducer can be implemented as resonance converter.Transducer 12 can have transformer or other commutator to realize electric isolution between the SELV side of operating equipment and non-SELV side.
Rectifier 10 can be connected to alternating voltage via a high frequency filter as far as possible, is especially connected to supply voltage.The alternating voltage of the rectification that circuit of power factor correction 11 can receive from rectifier 10 is using as input voltage.Circuit of power factor correction 11 achieves the function of filtering and produces a direct voltage Vbus to be supplied to transducer 12.But the voltage being used as the supply power voltage of transducer 12 produced by circuit of power factor correction 11 also has ripple voltage, that is: have a ripple.
Operating equipment 2 and especially the functional of control device 14 will be described in detail by referring to Fig. 2 to Fig. 6.As a rule, control device 14 can control circuit of power factor correction and/or transducer 12 according to the load 3 of the output of transducer 12 and/or according to the power output of operating equipment.Control device 14 is configured to detect load 3 according to the peak-peak voltage of the ripple voltage assessing especially voltage Vbus, and this peak-peak voltage is supplied to transducer 12 by circuit of power factor correction 11.The operation that control device 14 can control operating equipment according to the load detected.Such as will automatically detect multiple LED or the automatic attribute detecting light-emitting device 3 of another aspect in order to load will be detected.
Fig. 2 is the circuit diagram of the operating equipment according to an execution mode.Operating equipment 2 usually has circuit of power factor correction 20, is located at transducer 30 and the control device 14 in circuit of power factor correction 20 downstream.Transducer 30 especially can be implemented as resonance converter.The alternating voltage of rectification can be flowed to the input 19 of circuit of power factor correction 20 as input voltage vin.The alternating voltage of the input voltage of operating equipment 2 not necessarily rectification.Such as rectifier 10 can be arranged as follows, make it to source voltage commutation and it can be used as input voltage vin to be supplied to circuit of power factor correction 20.
This circuit of power factor correction can have the topographical arrangement of booster converter.
The alternating voltage Vin of rectification is transported to inductor or winding 21.Diode 22 between the input interface of inductor 21 and circuit of power factor correction 20 and output is connected in series.The output of circuit of power factor correction 20 is connected with the input of transducer 30 and the voltage Vbus produced by circuit of power factor correction 20 is supplied to transducer 30 as supply power voltage.
Circuit of power factor correction 20 has the charging capacitor 23 at its output.To be configured to power switch and such as can be configured to field-effect transistor (FET), especially the controllable electrical switches 24 of MOSFET is connected to the line between inductor 21 and diode 22.Switch 24 is by (unshowned) shunt grounding through resistance.By the control device 14 of operating equipment 2, switch 24 is switched to on-state and dissengaged positions.Control device 14 has corresponding output 52 with control PFC control signal, such as can the grid voltage of control switch 24 by this output.
Under the state that switch 24 is connected, inductor 21, by switch 24 ground connection, wherein blocking diode 22, makes as inductor 21 charges, and by electrical power storage in inductor 21.On the contrary, when roof-cut resistence 24, when namely switch disconnects, diode 22 is energized, and inductor 21 can self to be discharged and by the delivery of electrical energy that is stored in inductor 21 in charging capacitor 23 to charging capacitor 23 by diode 22.
By may be embodied as integrated circuit, especially the control device 14 of ASIC carrys out control switch 24.Will by repeatedly to connect and roof-cut resistence 24 realizes power factor correction process, the connection frequency of its breaker in middle 24 is much larger than the frequency of rectified AC voltage Vin.
Transducer 30 receives the supply power voltage Vbus provided at its output by circuit of power factor correction 20.Transducer 30 can comprise electrolyte, to realize the electric isolution between the non-SELV side of operating equipment 2 and the SELV side of operating equipment 2.The SELV side of the non-SELV side of operating equipment 2 from operating equipment 2 isolates by corresponding potential barrier 49 or SELV potential barrier 49.
Transducer 30 has the transformer of band armature winding 34 and secondary winding 36.Transducer 30 can utilize slab bridge to control to be embodied as the LLC resonance converter comprising LLC resonant circuit.The armature winding 34 of this transformer also can play the effect of the inductor of LLC resonant circuit.This LLC resonant circuit comprises another inductor 33 and capacitor 35.The LLC resonant circuit with inductor 33,34 and capacitor 35 may be embodied as series resonant circuit.The less inductor 33 of this LLC resonant circuit also can be integrated in transformer and can be such as the leakage inductance of armature winding 34.
Transducer 30 operationally, controls at the clock switch of primary side by the switch 31,32 of half-bridge.Switch 31,32 can be implemented as field-effect transistor (FETs), is especially embodied as MOSFET.Control device 14 can cause the clock mode replaced of switch 31,32 to be connected.Realize the control to switch as follows, one namely always at most in actuating switch 31,32.Control device 14 can utilize switch 31,32 to control half-bridge under different working modes.In a first operation mode, switch 31,32 can be changed relative to the connection frequency of the resonance frequency of LLC resonant circuit to realize amplitude light modulation.Half-bridge can be controlled as follows in the second operation mode, that is: cause transducer 30 to operate in a pulsed fashion.Wherein in certain duration, two switches 31,32 can be switched to off-state.Control device 14 can adopt corresponding mode of operation and/or running parameter automatically according to the load 3 detected at output 41 place and/or according to the power output that output 41 place at operating equipment 2 detects.As will be described in more detail, testing process such as realizes according to the peak-peak voltage of ripple voltage.Control device 14 is arranged for producing control signal, and this control signal can control via the first output 53 be coupled with the first switch 31 and the second output 54 be coupled with second switch 32.
Transducer 30 has the primary side of band transformer secondary output winding 36.This primary side can have the rectifier of band diode 37,38 and be positioned at the capacitor 39 of rectifier output end.In addition can at the output 41 upstream grafting inductor 40 of transducer 30.This inductor 40 such as can be removed when transducer 30 is manipulated into constant voltage source.
Load can be coupled with the output 41 of transducer, be especially energized connection.Load 3 can comprise multiple light-emitting diode (LED).Load 3 as light-emitting device can comprise inorganic and/or organic LED.These LED can in parallelly as schematically shown in fig. 2 connect.But these LED of connection that also can connect, or the combination of series circuit and parallel circuits can be used.
Control device 14 is configured to the power output automatically detecting load 3 or export via output 41.Now assess to the time dependent voltage Vbus provided to transducer 30 by circuit of power factor correction 20 as supply power voltage, as reference Fig. 3 to Fig. 6 will in greater detail.Control device 14 can make the work of circuit of power factor correction 20 and/transducer 30 and different working modes and/or running parameter adapt according to the load detected automatically.
Now will carry a measured value to control device 14, control device 14 can utilize this measured value to obtain voltage Vbus.Control device 14 such as can obtain voltage Vbus by the voltage divider with resistance 26,27 in the mode of time resolution, and this voltage is supplied to transducer 30 by circuit of power factor correction 20 as supply power voltage.A/D conversion can be realized before input respective measurement values being transported to control device 14.
Waviness in the voltage Vbus provided by circuit of power factor correction 20 and ripple voltage can be expressed as:
I (t) is herein for filling the charging current of vibrating in time of a capacitor and C is the electric capacity of this charging capacitor.The ripple voltage of being drawn by the Section 1 on equation (1) right side has peak-peak voltage, equally when output 41 is opened with measurement point electric isolution, the load 3 according to transducer 30 output 41 place obtains this peak-peak voltage at the voltage Vbus place for control device 14.According to
P＝VI＝I
2R＝V
2/R (2)
The power output at output 41 place depends on load R.Correspondingly, the reduction of such as output current such as can cause the reduction of the peak-peak voltage of ripple voltage.
Fig. 3 is that the circuit described in Fig. 2 clearly shows the peak-peak voltage of ripple voltage and the dependence of load.Load changes more than ten doubly in described dependence.Such load variations is such as the change of LED quantity, and these LED are powered by operating equipment.The change of LED quantity also occurs in the course of the work, such as, due to the interruption of LED.
The change of load is by the change of the peak-peak voltage of the ripple voltage in the voltage Vbus that causes being provided by circuit of power factor correction 20.The voltage of peak-peak described in Fig. 3 70 can such as voltage in one cycle maxima and minima between difference, namely obtain as voltage difference.
This load dependency relation of the peak-peak voltage 70 of the ripple voltage in voltage Vbus makes to depend on assessment to ripple voltage to the detection of load and/power output, especially depends on the voltage difference between the minimum value of voltage Vbus and maximum.
Control device 14 can use as such as in figure 3 as described in indicatrix detect load, described indicatrix represents the peak-peak voltage relationship of load and ripple voltage.Now can such as use corresponding indicatrix.
Fig. 4 shows the process of the peak-peak voltage determining ripple voltage.The alternating voltage 61 of rectification is fed to circuit of power factor correction 20.The one-period of non-rectified AC voltage is adapted to two cycles 62 of rectified AC voltage 61.When being in its length and being equal to or greater than the time window in cycle 62 of rectified AC voltage, the voltage Vbus that circuit of power factor correction 20 provides is collected.The summation that collection is worth 65,66,67,68 can be assessed to determine the peak-peak voltage 70 of ripple voltage 64.
Different evaluation processes can be adopted.In one embodiment, a maximum 68 and a minimum value 67 of the collection value in the cycle 62 now determined by control device 14.Difference between this maximum 68 and this minimum value 67 can be used as the standard of the peak-peak voltage of ripple voltage.
Complete treatment technology is feasible.Such as sine curve fitting can be worth 65,66,67,68, to determine the amplitude as in two adaptation parameters to collection by control device.
Following example clearly shows the effect of control device 14 in load detecting process.One represents that the measured value of voltage Vbus will be received at input by control device 14 or obtain in measurement point.The mode that A/D changes can be adopted.According to collection value, amplitude detection can be automatically performed.Wherein the amplitude of ripple voltage will be determined.Determined amplitude can be used to detect load.This load can such as be determined by the mode of form inquiry.Load and/or power output can be determined by use characteristic curve according to this amplitude.Alternatively, it is also feasible for replacing form and such as assessing by algorithm the process determined.Assessment determine or form inquiry process in also can consider the aging compensation of relevant operational equipment 2.Can such as the operating equipment 2 of different degree of aging arrange different table value, it uses according to the aging of operating equipment 2.Alternatively, the compensation factor changed according to the aging of operating equipment 2 also can be considered in assessment.When operating equipment 2 is aging, the electric capacity that such as charging capacitor 23 changes can work, and wherein can be compensated this change.
The control device 14 of operating equipment 2 can realize other function.The control device of operating equipment 2 especially can according to the load detected, namely automatically determines the running parameter of the mode of operation of circuit of power factor correction 20, the running parameter of circuit of power factor correction 20, the mode of operation of transducer 30 and/or transducer 30 according to the peak-peak voltage of the bus voltage Vbus determined.
Fig. 5 shows the function of the control device 14 according to an execution mode in the mode of functional block diagram.
Control device 14 can have logical block 81 to the peak-peak voltage of the ripple voltage in the voltage Vbus determining circuit of power factor correction 20 and provide.This logical block 81 can determine load by use characteristic curve.Load according to converter output end can adapt to different functions.
Control device 14 can have function 82 to select the mode of operation of circuit of power factor correction.Function 82 can select the mode of operation of circuit of power factor correction automatically according to the load detected.Function 82 can be selected with DCM (" discontinuous conduction mode ") work or with continuous print and the continuous current by inductor, namely should carry out operating power factor correcting circuit with BCM (" critical conduction mode " or " border conduction mode ") work according to the load detected.If other mode of operation of circuit of power factor correction 20 is feasible, then function 82 correspondingly selects one of them mode of operation, such as CCM (" continuous conduction mode ") mode of operation.
Function 82 also can select the running parameter of circuit of power factor correction according to the load detected.Such as, control device can adjust the turn-on time (" Ton " time) of the power switch 24 of the circuit of power factor correction 20 when working with BCM according to the load detected.As an alternative or supplement, control device can according to the load detected adjust work with DCM time circuit of power factor correction 20 power switch 24 connect before stand-by period or the shortest stand-by period.
Control device 14 can have function 85 and carry out half-bridge control to transducer 30.Function 85 can select to carry out Operational Conversion Unit 30 (wherein cutting off half-bridge or the full-bridge regular hour section of transducer) with pulsed mode according to the load detected still should carry out Operational Conversion Unit 30 with continuously-running duty, such as amplitude light modulation.Function 85 can be transducer determination running parameter according to the load detected automatically, the connection frequency of the half-bridge switch of such as transducer 30.
Control device 14 can have other function, such as, be used for suppressing the function 83 of the aberration relevant to load and/or function 84, adjust for the strength control or intensity adjusting the light sent by light-emitting device 3 according to load.Can be realized other for the function according to load control and/or Modulating Power factor correcting circuit 20 and/or transducer 30.
Control device 14 can be implemented as adapting to different functions according to indicatrix and the operation of operating equipment is matched with the load and/or power output that detect.Now can such as the operation setting further feature curve of operating equipment 2, mode of operation and/or the running parameter function as load provides.This indicatrix connect peak-peak voltage and the load of ripple voltage and indicatrix load and running parameter connected also can combine.
The transfer process in other execution mode can be realized in reference to the execution mode described by above-mentioned accompanying drawing.In the process that the operating equipment provided as constant current source is such as provided in detail, also this operating equipment can be embodied as constant voltage source.
When being described the process of the peak-peak voltage detecting ripple voltage by disparity map, also can adopt other technology, such as, via adaptation or by the amplitude or ripple voltage of assessing voltage, the peak-peak voltage of ripple voltage is specified to adaptation parameter.
Substituting or supplementing as use characteristic curve, also can determine load and/or power output by carrying out calculating assessment to function by the peak-peak voltage of ripple voltage.
The inductor of circuit of power factor correction and/or transducer and capacitor can be implemented as independent inductance element or capacity cell.Lucky less inductor and the capacitor of circuit of power factor correction and/or transducer also may be embodied as parasitic inductor and capacitor parasitics.
Can be used in the operating equipment for light-emitting device according to the method and apparatus of execution mode, such as, be used in electronic ballast or be used in LED converter.
Claims (14)
1. the operating equipment for light-emitting device (3) (2), it comprises
Circuit of power factor correction (20),
Transducer (30), it is connected with described circuit of power factor correction (20), and has the output (41) of powering for described light-emitting device (3), and
Control device (14), this control device has input (51), this input is used for obtaining the voltage (Vbus) being supplied to described transducer (30) by described circuit of power factor correction (20), wherein said control device (14) is configured to perform the assessment to the ripple voltage (64) of described voltage (Vbus), and determines the power output of load (3) and/or the described transducer (30) be connected with the described output (41) of described transducer (30) according to described assessment.
2. operating equipment according to claim 1 (2),
Wherein said control device (14) is provided in the collection value (65,66,68,69) that period time period (62) determines described voltage (Vbus).
3. operating equipment according to claim 2 (2), it comprises
Rectifier (10), this rectifier is coupled with described circuit of power factor correction (20) and is arranged for rectified AC voltage, and the wherein said time period comprises at least one cycle (62) of described alternating voltage.
4. the operating equipment (2) according to Claims 2 or 3,
Wherein said control device (14) is configured to, and makes to determine described assessment according to the peak-peak voltage (70) between the maximum collection value (68) obtained in the described time period (62) and the minimum collection value (67) obtained in the described time period (62).
5. according to operating equipment in any one of the preceding claims wherein (2),
Wherein said control device (14) is configured to be determined and the described load (3) that the described output (41) of described transducer (30) is connected according to peak-peak voltage (70) by form inquiry.
6. operating equipment according to claim 5 (2),
Wherein said control device (14) is configured to the quantity being determined the light-emitting diode be connected with the described output (41) of described transducer (30) by described form inquiry.
7. according to operating equipment in any one of the preceding claims wherein (2),
The described output (41) of wherein said transducer (30) be connected to described circuit of power factor correction (20), the input electric isolution of described transducer (30).
8. operating equipment according to claim 7 (2),
Wherein said transducer (30) is implemented as LLC resonance converter (30).
9. operating equipment according to claim 8 (2),
The half-bridge that wherein said control device (14) is arranged for described LLC resonance converter (30) controls,
Wherein said control device (14) is configured to adjust described half-bridge according to described load (3) and/or described power output and controls.
10. according to operating equipment in any one of the preceding claims wherein (2),
Wherein said control device (14) is configured to control described circuit of power factor correction (20) and/or described transducer (30), the photoelectric current sent from described light-emitting device (3) is adjusted to rated value according to the described load (3) determined and/or power output.
11. according to operating equipment in any one of the preceding claims wherein (2), and this equipment is implemented as LED converter.
12. operating equipments according to any one of claim 1 to 10 (2),
This operating equipment is implemented as the ballast equipment for discharge lamp.
13. for the method for operation of the operating equipment (2) of light-emitting device (3), wherein said operating equipment (2) comprises circuit of power factor correction (20) and transducer (30), this transducer is connected with described circuit of power factor correction (20) and has the output (41) of powering for described light-emitting device (3), and wherein said method comprises:
The voltage (Vbus) provided to described transducer (30) by described circuit of power factor correction (20) is provided,
Assess the ripple voltage (64) of described voltage (Vbus), and
According to the power output assessment of described ripple voltage being determined to load (3) and/or the described transducer (30) be connected with the described output (41) of described transducer (30).
14. methods according to claim 13,
The method is implemented by the operating equipment (2) according to any one of claim 1 to 12.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102012007453 | 2012-04-13 | ||
| DE102012007453.0 | 2012-04-13 | ||
| DE102012014308A DE102012014308A1 (en) | 2012-04-13 | 2012-07-19 | Operating device for a lamp and method for operating a control gear |
| DE102012014308.7 | 2012-07-19 | ||
| PCT/AT2013/000071 WO2013152373A1 (en) | 2012-04-13 | 2013-04-15 | Operating device for an illuminant and method for operating an operating device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104412707A true CN104412707A (en) | 2015-03-11 |
| CN104412707B CN104412707B (en) | 2017-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380019677.3A Active CN104412707B (en) | 2012-04-13 | 2013-04-15 | The method of operating of operation equipment and operation equipment for light-emitting device |
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| Country | Link |
|---|---|
| EP (1) | EP2837261B1 (en) |
| CN (1) | CN104412707B (en) |
| DE (1) | DE102012014308A1 (en) |
| WO (1) | WO2013152373A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112806101A (en) * | 2018-10-26 | 2021-05-14 | 赤多尼科两合股份有限公司 | Method and device for adjusting parameters of electrical equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE102013222892A1 (en) | 2013-11-11 | 2015-05-13 | Tridonic Gmbh & Co Kg | LED converter and method for controlling a converter circuit of an LED converter |
| DE102015207433A1 (en) * | 2015-04-23 | 2016-11-10 | Tridonic Gmbh & Co Kg | Operating circuit, luminaire and method for detecting a control signal |
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| US20030062848A1 (en) * | 2001-09-28 | 2003-04-03 | Prasad Himamshu V. | Method and circuit for regulating power in a high pressure discharge lamp |
| US7759881B1 (en) * | 2008-03-31 | 2010-07-20 | Cirrus Logic, Inc. | LED lighting system with a multiple mode current control dimming strategy |
| CN201533427U (en) * | 2009-11-24 | 2010-07-21 | 浙江摩根电子科技有限公司 | LLC self-excited half-bridge resonant LED driver |
| CN201557292U (en) * | 2009-10-01 | 2010-08-18 | 英飞特电子（杭州）有限公司 | High efficiency constant current LED driver |
| CN101932175A (en) * | 2010-08-31 | 2010-12-29 | 电子科技大学 | LED constant current driving circuit capable of dimming automatically |
| CN201789664U (en) * | 2010-08-20 | 2011-04-06 | 深圳市雅玛西电子有限公司 | Half-bridge LLC resonance LED power supply |
| CN102067734A (en) * | 2008-06-06 | 2011-05-18 | 赤多尼科两合股份有限公司 | Lamp type detection by means of power factor correction circuit |
| DE102010031239A1 (en) * | 2010-03-19 | 2011-09-22 | Tridonic Ag | LED control with clocked constant current source |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1881745B1 (en) | 2006-07-20 | 2010-04-14 | STMicroelectronics Srl | Process for recognizing the supply power of discharge lamps and related device |
| DE102010031247A1 (en) * | 2010-03-19 | 2011-09-22 | Tridonic Ag | Low voltage power supply for a LED lighting system |
-
2012
- 2012-07-19 DE DE102012014308A patent/DE102012014308A1/en not_active Withdrawn
-
2013
- 2013-04-15 EP EP13725049.4A patent/EP2837261B1/en active Active
- 2013-04-15 WO PCT/AT2013/000071 patent/WO2013152373A1/en active Application Filing
- 2013-04-15 CN CN201380019677.3A patent/CN104412707B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030062848A1 (en) * | 2001-09-28 | 2003-04-03 | Prasad Himamshu V. | Method and circuit for regulating power in a high pressure discharge lamp |
| US6700335B2 (en) * | 2001-09-28 | 2004-03-02 | Osram Sylavania, Inc. | Method and circuit for regulating power in a high pressure discharge lamp |
| US7759881B1 (en) * | 2008-03-31 | 2010-07-20 | Cirrus Logic, Inc. | LED lighting system with a multiple mode current control dimming strategy |
| CN102067734A (en) * | 2008-06-06 | 2011-05-18 | 赤多尼科两合股份有限公司 | Lamp type detection by means of power factor correction circuit |
| CN201557292U (en) * | 2009-10-01 | 2010-08-18 | 英飞特电子（杭州）有限公司 | High efficiency constant current LED driver |
| CN201533427U (en) * | 2009-11-24 | 2010-07-21 | 浙江摩根电子科技有限公司 | LLC self-excited half-bridge resonant LED driver |
| DE102010031239A1 (en) * | 2010-03-19 | 2011-09-22 | Tridonic Ag | LED control with clocked constant current source |
| CN201789664U (en) * | 2010-08-20 | 2011-04-06 | 深圳市雅玛西电子有限公司 | Half-bridge LLC resonance LED power supply |
| CN101932175A (en) * | 2010-08-31 | 2010-12-29 | 电子科技大学 | LED constant current driving circuit capable of dimming automatically |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112806101A (en) * | 2018-10-26 | 2021-05-14 | 赤多尼科两合股份有限公司 | Method and device for adjusting parameters of electrical equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102012014308A1 (en) | 2013-10-17 |
| EP2837261B1 (en) | 2018-10-10 |
| CN104412707B (en) | 2017-03-08 |
| EP2837261A1 (en) | 2015-02-18 |
| WO2013152373A1 (en) | 2013-10-17 |
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