CN204168564U - High-power energy saving lamp drive circuit and high-power energy-saving lamp - Google Patents
High-power energy saving lamp drive circuit and high-power energy-saving lamp Download PDFInfo
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- CN204168564U CN204168564U CN201420678058.7U CN201420678058U CN204168564U CN 204168564 U CN204168564 U CN 204168564U CN 201420678058 U CN201420678058 U CN 201420678058U CN 204168564 U CN204168564 U CN 204168564U
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- 239000004065 semiconductor Substances 0.000 claims description 39
- 239000003990 capacitor Substances 0.000 claims description 9
- 239000003381 stabilizer Substances 0.000 claims description 9
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 3
- 229910052753 mercury Inorganic materials 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 231100000614 poison Toxicity 0.000 description 2
- 230000007096 poisonous effect Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 239000000729 antidote Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000005021 gait Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
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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
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Abstract
The utility model provides a kind of high-power energy saving lamp drive circuit and high-power energy-saving lamp, described high-power energy saving lamp drive circuit comprises: EMI rectification unit, bridge rectifier unit, power factor correction unit, DC filter unit and DC/AC inversion unit, the input access civil power 220V of described EMI rectification unit, the output of described EMI rectification unit is connected to the input of bridge rectifier unit, described power factor correction unit is connected between described bridge rectifier unit and DC filter unit, the input of described DC/AC inversion unit is connected to the output of described DC filter unit, the output of described DC/AC inversion unit is connected to the two ends of light source.The utility model effectively promotes the toggle speed of electricity-saving lamp, extends the useful life of electricity-saving lamp, ensures the normal table work of electricity-saving lamp.
Description
Technical field
The utility model relates to the technical field in electronic energy-saving lamp field, particularly a kind of high-power energy saving lamp drive circuit and high-power energy-saving lamp.
Background technology
Common high-power energy-saving lamp (power >=85W) adopts the semi-bridge inversion circuit of magnet ring self-excited driving to drive fluorescent tube usually; the matching performance of its ballast and fluorescent tube is poor; and there is no pipeline start up by preheating, lamp tube abnormity protection function; very large by grid voltage fluctuation influence, be easy to cause early failure.In addition, electricity-saving lamp contains poisonous material---and mercury, more powerful electricity-saving lamp mercury content is more, and high-power energy-saving lamp is commonly used to factory building, industrial and mineral, road lighting, and setting height(from bottom) is high, and environment for use is severe, and turn on light every day long service time.Therefore, if the early stage frequent breakage of light fixture, not only change maintenance very difficult, and the discharge of poisonous material mercury can be strengthened, pollute environment.
Utility model content
For overcoming existing defect, the utility model proposes a kind of high-power energy saving lamp drive circuit and high-power energy-saving lamp, it can improve the reliability of electricity-saving lamp work, extends the useful life of electricity-saving lamp, ensures the normal table work of electricity-saving lamp.
According to an aspect of the present utility model, propose a kind of high-power energy saving lamp drive circuit, comprise: EMI rectification unit, bridge rectifier unit, power factor correction unit, DC filter unit and DC/AC inversion unit, the input access civil power 220V of described EMI rectification unit, the output of described EMI rectification unit is connected to the input of bridge rectifier unit, described power factor correction unit is connected between described bridge rectifier unit and DC filter unit, the input of described DC/AC inversion unit is connected to the output of described DC filter unit, the output of described DC/AC inversion unit is connected to the two ends of light source.
Further, in above-mentioned high-power energy saving lamp drive circuit, described EMI rectification unit comprises variable resistor, the first inductance, the first electric capacity and the second electric capacity, described variable resistor and the first Capacitance parallel connection are in two inputs of described first inductance, the two ends of described second electric capacity are parallel to two outputs of described first inductance, described variable-resistance one end is connected to the zero line of civil power, and the other end is connected to the live wire of civil power by fuse.
Further, in above-mentioned high-power energy saving lamp drive circuit, described bridge rectifier unit comprises the first diode, the second diode, the 3rd diode and the 4th diode, and the positive pole of described first diode and the negative pole of the second diode are all connected to one end of described second electric capacity; The negative pole of described first diode and the negative pole of the 3rd diode are as the output of described bridge rectifier unit, and it is all connected to 310V DC power supply; The positive pole of described 3rd diode and the negative pole of the 4th diode are all connected to the other end of described second electric capacity; The positive pole of described second diode and the equal ground connection of positive pole of the 4th diode.
Further, in above-mentioned high-power energy saving lamp drive circuit, described power factor correction unit comprises the first chip, 3rd electric capacity, 4th electric capacity, 5th electric capacity, first resistance, second resistance, 3rd resistance and the 5th diode, the model of described first chip is L6561, the first input end of described first chip and the second input are respectively by the 3rd electric capacity and the 4th capacity earth, the first input end of described first chip is also connected to DC/AC inversion unit, first output of described first chip is connected to DC filter unit by the 3rd resistance, second output of described first chip is connected to the grid of the first metal-oxide-semiconductor by the second resistance and the first resistance, the source electrode of described first metal-oxide-semiconductor is by the 4th grounding through resistance, the drain electrode of described first metal-oxide-semiconductor is connected to DC filter unit, described 5th diodes in parallel is in the two ends of described second resistance, and the positive pole of described 5th diode is connected to the common port of the second resistance and the first resistance.
Further, in above-mentioned high-power energy saving lamp drive circuit, described DC filter unit comprises the 6th diode, the 5th resistance, the 6th resistance and the first electrochemical capacitor, the positive pole of described 6th diode is connected to the drain electrode of the first metal-oxide-semiconductor, the negative pole of described 6th diode is connected to 400V DC power supply, the negative pole of described 6th diode is also by the 6th resistance and the 5th grounding through resistance, and the positive pole of described first electrochemical capacitor is connected to 400V DC power supply, the plus earth of described first electrochemical capacitor.
Further, in above-mentioned high-power energy saving lamp drive circuit, described DC/AC inversion unit comprises the second chip, first voltage-stabiliser tube, second metal-oxide-semiconductor, 3rd metal-oxide-semiconductor, 7th diode, 8th diode, 7th resistance, 8th resistance, 9th resistance, tenth resistance, 11 resistance, 12 resistance, 6th electric capacity, 7th electric capacity, 8th electric capacity, 9th electric capacity and the tenth electric capacity, the model of described second chip is IR2520D, the supply voltage pin of described second chip is connected to 310V DC power supply by the 7th resistance, the supply voltage pin of described second chip be also connected to the 8th diode negative pole and by the 8th capacity earth, the positive pole of described 8th diode be connected to the 7th diode negative pole and by the 7th capacity earth, the positive pole of described 7th diode is connected to the negative pole of the first voltage-stabiliser tube, the plus earth of described first voltage-stabiliser tube, the positive pole of described 7th diode is also connected to the driving voltage output pin of the second chip by the tenth electric capacity, between the boosting output pin that described 6th electric capacity is connected to the second chip and driving voltage output pin, the voltage control input pin of described second chip is by the 9th capacity earth, the minimum frequency setting pin of described second chip is by the 8th grounding through resistance, the high-side gate driver output pin of described second chip is connected to the grid of the second metal-oxide-semiconductor by the 9th resistance and the 11 resistance, the low-side gate driver output pin of described second chip is connected to the grid of the 3rd metal-oxide-semiconductor by the tenth resistance and the 12 resistance, the source electrode of described second metal-oxide-semiconductor and the drain electrode of the 3rd metal-oxide-semiconductor are all connected to the boosting output pin of the second chip, the boosting output pin of described second chip is also connected to one end of light source, and the drain electrode of described second metal-oxide-semiconductor is connected to the other end of light source.
Further, in above-mentioned high-power energy saving lamp drive circuit, described DC/AC inversion unit comprises and also comprises the 9th diode, and described 9th diodes in parallel is in the two ends of the 9th resistance, and the positive pole of described 9th diode is connected to the common port of the 9th resistance and the 11 resistance.
Further, in above-mentioned high-power energy saving lamp drive circuit, described DC/AC inversion unit comprises and also comprises the tenth diode, and described tenth diodes in parallel is in the two ends of the tenth resistance, and the positive pole of described tenth diode is connected to the common port of the tenth resistance and the 12 resistance.
According to another aspect of the present utility model, propose a kind of high-power energy-saving lamp, comprise energy-saving lamp tube and be connected to the high-power energy saving lamp drive circuit at described energy-saving lamp tube two ends, described high-power energy saving lamp drive circuit adopts above-mentioned high-power energy saving lamp drive circuit.
The utility model can improve the reliability of electricity-saving lamp work, extends the useful life of electricity-saving lamp, ensures the normal table work of electricity-saving lamp.
Accompanying drawing explanation
Fig. 1 is the circuit theory diagrams of the utility model high-power energy saving lamp drive circuit.
In order to the structure of embodiment of the present utility model clearly can be realized, specific size, structure and device are marked in the drawings, but this is only signal needs, be not intended to the utility model is limited in this specific dimensions, structure, device and environment, according to specific needs, these devices and environment can carry out adjusting or revising by those of ordinary skill in the art, and the adjustment carried out or amendment are still included in the scope of accompanying claim.
Embodiment
Below in conjunction with the drawings and specific embodiments, a kind of Human Sole antidote based on gait gravity center shift that the utility model provides is described in detail.
In the following description, by description multiple different aspect of the present utility model, but, for those skilled in the art, can only utilize some or all structure of the present utility model or flow process to implement the utility model.In order to the definition explained, set forth specific number, configuration and order, but clearly, also can implement the utility model when there is no these specific detail.In other cases, in order to not obscure the utility model, will no longer be described in detail for some well-known features.
Refer to Fig. 1, the utility model provides a kind of high-power energy saving lamp drive circuit, comprise: EMI rectification unit 10, bridge rectifier unit 20, power factor correction unit 30, DC filter unit 40, and DC/AC inversion unit 50, the input access civil power 220V of described EMI rectification unit 10, the output of described EMI rectification unit 10 is connected to the input of bridge rectifier unit 20, described power factor correction unit 30 is connected between described bridge rectifier unit 20 and DC filter unit 40, the input of described DC/AC inversion unit 50 is connected to the output of described DC filter unit 40, the output of described DC/AC inversion unit 50 is connected to the two ends of light source LP31, work to export driving light source LP31.
Wherein, described EMI rectification unit 10 comprises variable resistor RV10, the first inductance L 10, first electric capacity C10 and the second electric capacity C11, described variable resistor RV10 and the first electric capacity C10 is parallel to two inputs of described first inductance L 10, the two ends of described second electric capacity C11 are parallel to two outputs of described first inductance L 10, one end of described variable resistor RV10 is connected to the zero line of civil power, and the other end is connected to the live wire of civil power by fuse F10.
Described bridge rectifier unit 20 comprises the first diode D10, the second diode D11, the 3rd diode D12 and the 4th diode D13, and the positive pole of described first diode D10 and the negative pole of the second diode D11 are all connected to one end of described second electric capacity C11; The negative pole of described first diode D10 and the negative pole of the 3rd diode D12 are as the output of described bridge rectifier unit 10, and it is all connected to 310V DC power supply; The positive pole of described 3rd diode D12 and the negative pole of the 4th diode D13 are all connected to the other end of described second electric capacity C11; The positive pole of described second diode D11 and the equal ground connection of positive pole of the 4th diode D13.
Described power factor correction unit 30 comprises the first chip U20, 3rd electric capacity C21, 4th electric capacity C22, 5th electric capacity C23, first resistance R25, second resistance R26, 3rd resistance R27 and the 5th diode D21, the model of described first chip U20 is L6561, the first input end of described first chip U20 and the second input are respectively by the 3rd electric capacity C21 and the 4th electric capacity C22 ground connection, the first input end of described first chip U20 is also connected to DC/AC inversion unit 50, first output of described first chip U20 is connected to DC filter unit 40 by the 3rd resistance R27, second output of described first chip U20 is connected to the grid of the first metal-oxide-semiconductor Q20 by the second resistance R26 and the first resistance R25, the source electrode of described first metal-oxide-semiconductor Q20 is by the 4th resistance R28 ground connection, the drain electrode of described first metal-oxide-semiconductor Q20 is connected to DC filter unit 40, described 5th diode D21 is parallel to the two ends of described second resistance R26, and the positive pole of described 5th diode D21 is connected to the common port of the second resistance R26 and the first resistance R25.
Described DC filter unit 40 comprises the 6th diode D20, the 5th resistance R29, the 6th resistance R30 and the first electrochemical capacitor C24, the positive pole of described 6th diode D20 is connected to the drain electrode of the first metal-oxide-semiconductor Q20, the negative pole of described 6th diode D20 is connected to 400V DC power supply, the negative pole of described 6th diode D20 is also by the 6th resistance R30 and the 5th resistance R29 ground connection, the positive pole of described first electrochemical capacitor C24 is connected to 400V DC power supply, the plus earth of described first electrochemical capacitor C24.
Described DC/AC inversion unit 50 comprises the second chip U30, first voltage-stabiliser tube Z31, second metal-oxide-semiconductor Q31, 3rd metal-oxide-semiconductor Q32, 7th diode D31, 8th diode D32, 9th diode D33, tenth diode D34, 7th resistance R31, 8th resistance R32, 9th resistance R33, tenth resistance R34, 11 resistance R35, 12 resistance R36, 6th electric capacity C31, 7th electric capacity C32, 8th electric capacity C33, 9th electric capacity C34 and the tenth electric capacity C35, the model of described second chip U30 is IR2520D, the supply voltage pin (VCC) of described second chip U30 is connected to 310V DC power supply by the 7th resistance R31, the supply voltage pin (VCC) of described second chip U30 be also connected to the 8th diode D32 negative pole and by the 8th electric capacity C33 ground connection, the positive pole of described 8th diode D32 be connected to the 7th diode D31 negative pole and by the 7th electric capacity C32 ground connection, the positive pole of described 7th diode D31 is connected to the negative pole of the first voltage-stabiliser tube Z31, the plus earth of described first voltage-stabiliser tube Z31, the positive pole of described 7th diode D31 is also connected to the driving voltage output pin (VS) of the second chip U30 by the tenth electric capacity C35, between the boosting output pin (VB) that described 6th electric capacity C31 is connected to the second chip U30 and driving voltage output pin (VS), the voltage control input pin (VCO) of described second chip U30 is by the 9th electric capacity C34 ground connection, minimum frequency setting pin (FMIN) of described second chip U30 is by the 8th resistance R32 ground connection, the high-side gate driver output pin (HO) of described second chip U30 is connected to the grid of the second metal-oxide-semiconductor Q31 by the 9th resistance R33 and the 11 resistance R35, the low-side gate driver output pin (LO) of described second chip U30 is connected to the grid of the 3rd metal-oxide-semiconductor Q32 by the tenth resistance R34 and the 12 resistance R36, the source electrode of described second metal-oxide-semiconductor Q31 and the drain electrode of the 3rd metal-oxide-semiconductor Q32 are all connected to the boosting output pin (VB) of the second chip U30, the boosting output pin (VB) of described second chip U30 is also connected to one end of light source LP31, the drain electrode of described second metal-oxide-semiconductor Q31 is connected to the other end of light source LP31.
Described 9th diode D33 is parallel to the two ends of the 9th resistance R33, and the positive pole of described 9th diode D33 is connected to the common port of the 9th resistance R33 and the 11 resistance R35.
Described tenth diode D34 is parallel to the two ends of the tenth resistance R34, and the positive pole of described tenth diode D34 is connected to the common port of the tenth resistance R34 and the 12 resistance R36.
Wherein, described second chip U30 is adaptive ballast controller and 600V half-bridge driver monolithic IC, can be used to drive the fluorescent lamp in half-bridge configuration, and described second chip U30 has following features:
Be integrated with the VCC Zener clamp diode of the half-bridge driver of 600V, high pressure bootstrap diode and 15.6V; Inside set to 0 ~ 5V DC voltage control oscillator; Owing to adopting self adaptation ZVS technology, therefore device power consumption is very little; There is crest factor detection of excessive current defencive function, can external current sense resistor be saved; Operating frequency during the normal burning-point of minimum frequency is able to programme; Starting current very little (150 μ A).
The course of work of high-power energy saving lamp drive circuit of the present utility model is as follows:
After 220V alternating current (civil power) access, by forming level and smooth direct voltage VD=310V after the filtering of described EMI rectification unit 10 and bridge rectifier unit 20, and PF >=0.95 of circuit is made by power factor correction unit 30, THD≤15%, steady operation in the voltage range of 176-264VAC/50 ~ 60HZ, exports firm power;
As shown in Figure 1, when the second chip U30 works, the electric current flowing through the 7th resistance R31 will charge to the 8th electric capacity C33, and the voltage on the 8th electric capacity C33 is raised gradually.Before the voltage of the supply voltage pin (VCC) of the second chip U30 reaches startup threshold level 13.2V, the voltage Vfmin of minimum frequency setting pin (FMIN) and the voltage Vvco of voltage control input pin (VCO) of described second chip U30 are 0V, and half-bridge ends.When the voltage of the supply voltage pin (VCC) of the second chip U30 is more than 13.2V, the second chip U30 by conducting and start vibration.
When the voltage of the supply voltage pin (VCC) of the second chip U30 is more than 13.2V, described second chip U30 will enter frequency sweep mode.Now, the current source of described second chip U30 inside will charge to the 9th electric capacity C34 of voltage control input pin (VCO), thus the voltage on voltage control input pin (VCO) is linearly increased from OV, make VCO vibration linear reduction from maximum simultaneously.When frequency is down to ballast output stages LC series resonance frequency, lc circuit generation resonance also produces high pressure and is lighted by lamp.As long as lamp starts successfully, the voltage on the voltage control input pin (VCO) of described second chip U30 will be elevated to 5.2V always, and frequency f is then down to minimum value fmin.
After lamp igniting, ballast output stages becomes low reactance-resistance ratio RCL circuit, now the voltage of the voltage control input pin (VCO) of described second chip U30 is limited in 5.2V, frequency is down to minimum value fmin, in fact, operating frequency when namely lowest operating frequency is at this moment lamp normal burning-point.
Lamp power under this state is determined jointly by resonant inductance (choke L31), resonant capacitance (the 8th electric capacity C33), DC bus voltage Vbus and fmin.If there is non-ZVS, namely in Dead Time, before namely two switch second metal-oxide-semiconductor Q31 and the 3rd metal-oxide-semiconductor Q32 conducting, have a voltage across low-end switch).
Charging current because of the 9th electric capacity C34 reduces and reduces by the voltage on the voltage control input pin (VCO) of described second chip U30, thus causes frequency to raise.The second chip U30 can be made automatically to keep ZVS to operate by VS sensing and self adaptation ZVS control logic.
If broken down between lamp burn period, modulating voltage and output stage electric current all can increase, until choke is saturated or enter capacitive switch pattern.Described second chip U30 without the need to foreign current sensing element, but utilizes the conducting resistance of the 3rd metal-oxide-semiconductor Q32 and senses half-bridge current by driving voltage output pin (VS).If in 70 switch periods of the low-side gate driver output pin (LO) of described second chip U30, namely in the 3rd metal-oxide-semiconductor Q32 conduction period, current crest factor is more than 3, so, described second chip U30 will enter fault mode, and make two equal output low levels of gate drivers, thus the second metal-oxide-semiconductor Q31 and the 3rd metal-oxide-semiconductor Q32 is all ended.
If filament is opened a way, will there is hard switching in half-bridge, and by crest factor electric circuit inspection.After about 70 cycles occur fault, the second chip U30 enters fault mode, and half-bridge ends, and to protect power switch pipe, makes it not damage, thus improves the reliability of ballast.
For making the second chip U30 reset to frequency sweep mode, the voltage of the supply voltage pin (VCC) of described second chip U30 must lock below (UVLO) thresholding (<10.5V) and be returned to more than UVLO (>13.2V) again from internal under-pressure.
In addition, the utility model also provides a kind of high-power energy-saving lamp, it above-mentioned high-power energy saving lamp drive circuit comprising energy-saving lamp tube and be connected to described energy-saving lamp tube two ends.
Compared to prior art, the utility model improves the reliability of electricity-saving lamp work, extends the useful life of electricity-saving lamp, ensures the normal table work of electricity-saving lamp.
Finally it should be noted that, above embodiment is only in order to describe the technical solution of the utility model instead of to limit this technical method, the utility model can extend in application other amendment, change, application and embodiment, and therefore think that all such amendments, change, application, embodiment are all in spirit of the present utility model and teachings.
Claims (9)
1. a high-power energy saving lamp drive circuit, it is characterized in that, described drive circuit comprises: EMI rectification unit, bridge rectifier unit, power factor correction unit, DC filter unit and DC/AC inversion unit, the input access civil power 220V of described EMI rectification unit, the output of described EMI rectification unit is connected to the input of bridge rectifier unit, described power factor correction unit is connected between described bridge rectifier unit and DC filter unit, the input of described DC/AC inversion unit is connected to the output of described DC filter unit, the output of described DC/AC inversion unit is connected to the two ends of light source.
2. high-power energy saving lamp drive circuit according to claim 1, it is characterized in that, described EMI rectification unit comprises variable resistor, the first inductance, the first electric capacity and the second electric capacity, described variable resistor and the first Capacitance parallel connection are in two inputs of described first inductance, the two ends of described second electric capacity are parallel to two outputs of described first inductance, described variable-resistance one end is connected to the zero line of civil power, and the other end is connected to the live wire of civil power by fuse.
3. high-power energy saving lamp drive circuit according to claim 2, it is characterized in that, described bridge rectifier unit comprises the first diode, the second diode, the 3rd diode and the 4th diode, and the positive pole of described first diode and the negative pole of the second diode are all connected to one end of described second electric capacity; The negative pole of described first diode and the negative pole of the 3rd diode are as the output of described bridge rectifier unit, and it is all connected to 310V DC power supply; The positive pole of described 3rd diode and the negative pole of the 4th diode are all connected to the other end of described second electric capacity; The positive pole of described second diode and the equal ground connection of positive pole of the 4th diode.
4. high-power energy saving lamp drive circuit according to claim 3, it is characterized in that, described power factor correction unit comprises the first chip, 3rd electric capacity, 4th electric capacity, 5th electric capacity, first resistance, second resistance, 3rd resistance and the 5th diode, the model of described first chip is L6561, the first input end of described first chip and the second input are respectively by the 3rd electric capacity and the 4th capacity earth, the first input end of described first chip is also connected to DC/AC inversion unit, first output of described first chip is connected to DC filter unit by the 3rd resistance, second output of described first chip is connected to the grid of the first metal-oxide-semiconductor by the second resistance and the first resistance, the source electrode of described first metal-oxide-semiconductor is by the 4th grounding through resistance, the drain electrode of described first metal-oxide-semiconductor is connected to DC filter unit, described 5th diodes in parallel is in the two ends of described second resistance, and the positive pole of described 5th diode is connected to the common port of the second resistance and the first resistance.
5. high-power energy saving lamp drive circuit according to claim 4, it is characterized in that, described DC filter unit comprises the 6th diode, the 5th resistance, the 6th resistance and the first electrochemical capacitor, the positive pole of described 6th diode is connected to the drain electrode of the first metal-oxide-semiconductor, the negative pole of described 6th diode is connected to 400V DC power supply, the negative pole of described 6th diode is also by the 6th resistance and the 5th grounding through resistance, the positive pole of described first electrochemical capacitor is connected to 400V DC power supply, the plus earth of described first electrochemical capacitor.
6. high-power energy saving lamp drive circuit according to claim 5, it is characterized in that, described DC/AC inversion unit comprises the second chip, first voltage-stabiliser tube, second metal-oxide-semiconductor, 3rd metal-oxide-semiconductor, 7th diode, 8th diode, 7th resistance, 8th resistance, 9th resistance, tenth resistance, 11 resistance, 12 resistance, 6th electric capacity, 7th electric capacity, 8th electric capacity, 9th electric capacity and the tenth electric capacity, the model of described second chip is IR2520D, the supply voltage pin of described second chip is connected to 310V DC power supply by the 7th resistance, the supply voltage pin of described second chip be also connected to the 8th diode negative pole and by the 8th capacity earth, the positive pole of described 8th diode be connected to the 7th diode negative pole and by the 7th capacity earth, the positive pole of described 7th diode is connected to the negative pole of the first voltage-stabiliser tube, the plus earth of described first voltage-stabiliser tube, the positive pole of described 7th diode is also connected to the driving voltage output pin of the second chip by the tenth electric capacity, between the boosting output pin that described 6th electric capacity is connected to the second chip and driving voltage output pin, the voltage control input pin of described second chip is by the 9th capacity earth, the minimum frequency setting pin of described second chip is by the 8th grounding through resistance, the high-side gate driver output pin of described second chip is connected to the grid of the second metal-oxide-semiconductor by the 9th resistance and the 11 resistance, the low-side gate driver output pin of described second chip is connected to the grid of the 3rd metal-oxide-semiconductor by the tenth resistance and the 12 resistance, the source electrode of described second metal-oxide-semiconductor and the drain electrode of the 3rd metal-oxide-semiconductor are all connected to the boosting output pin of the second chip, the boosting output pin of described second chip is also connected to one end of light source, and the drain electrode of described second metal-oxide-semiconductor is connected to the other end of light source.
7. high-power energy saving lamp drive circuit according to claim 6, it is characterized in that, described DC/AC inversion unit comprises and also comprises the 9th diode, described 9th diodes in parallel is in the two ends of the 9th resistance, and the positive pole of described 9th diode is connected to the common port of the 9th resistance and the 11 resistance.
8. high-power energy saving lamp drive circuit according to claim 6, is characterized in that,
Described DC/AC inversion unit comprises and also comprises the tenth diode, and described tenth diodes in parallel is in the two ends of the tenth resistance, and the positive pole of described tenth diode is connected to the common port of the tenth resistance and the 12 resistance.
9. a high-power energy-saving lamp, comprise energy-saving lamp tube and be connected to the high-power energy saving lamp drive circuit at described energy-saving lamp tube two ends, it is characterized in that, described high-power energy saving lamp drive circuit adopts the high-power energy saving lamp drive circuit as described in any one of claim 1 ~ 8.
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| CN201420678058.7U CN204168564U (en) | 2014-11-13 | 2014-11-13 | High-power energy saving lamp drive circuit and high-power energy-saving lamp |
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| CN201420678058.7U CN204168564U (en) | 2014-11-13 | 2014-11-13 | High-power energy saving lamp drive circuit and high-power energy-saving lamp |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105792432A (en) * | 2016-04-19 | 2016-07-20 | 瑞金市得邦照明有限公司 | Drive circuit applicable to high-power energy-saving lamp |
| CN113009864A (en) * | 2021-03-03 | 2021-06-22 | 北京优氧朗芬莱环保科技有限公司 | Control system of anion air purification lamps and lanterns |
-
2014
- 2014-11-13 CN CN201420678058.7U patent/CN204168564U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105792432A (en) * | 2016-04-19 | 2016-07-20 | 瑞金市得邦照明有限公司 | Drive circuit applicable to high-power energy-saving lamp |
| CN113009864A (en) * | 2021-03-03 | 2021-06-22 | 北京优氧朗芬莱环保科技有限公司 | Control system of anion air purification lamps and lanterns |
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Effective date of registration: 20151203 Address after: 629000 Sichuan city of Suining Province Electronic Industry Economic and Technological Development Zone No. 8 Taijilu Patentee after: CNLIGHT Co.,Ltd. Address before: 528225 A District, Shishan science and Technology Industrial Park, Nanhai District, Foshan, Guangdong, China Patentee before: GUANGDONG CNLIGHT Co.,Ltd. |
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