CN102238792B - Electronic ballast for high pressure gas discharge lamp - Google Patents
Electronic ballast for high pressure gas discharge lamp Download PDFInfo
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- CN102238792B CN102238792B CN201010541658.5A CN201010541658A CN102238792B CN 102238792 B CN102238792 B CN 102238792B CN 201010541658 A CN201010541658 A CN 201010541658A CN 102238792 B CN102238792 B CN 102238792B
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- circuit
- electronic ballast
- lamp
- mcu governor
- full bridge
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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
Abstract
The invention provides an electronic ballast for a high pressure gas discharge lamp. The electronic ballast comprises a power factor correction circuit, a switching power supply circuit and a micro control unit (MCU) master control circuit which are connected in turn, a load voltage current sampling circuit which is connected with the MCU master control circuit, a full-bridge inverter circuit, a resonant lighting circuit and a timing control setting circuit, wherein the switching power supply circuit is connected with the MCU master control circuit and the power factor correction circuit respectively; the resonant lighting circuit and the timing control setting circuit are connected with the MCU master control circuit; and the timing control setting circuit is connected with the switching power supply circuit. By the electronic ballast, the timing control function is realized, and external equipment is not needed when the product is needed to be regularly switched on or off.
Description
[technical field]
The present invention relates to a kind of electric ballast, particularly a kind of electronic ballast for high-pressure discharge lamp.
[background technology]
Existing high-pressure gas discharge lamp ballast is divided into two kinds, and a kind of is inductance type ballast, and another kind is electronic ballast.Inductance type ballast has power factor (PF) low, adapts to voltage ripple of power network ability, Heavy Weight, the shortcoming of the low grade of efficiency.And electronic ballast adaptation voltage range is wide, stable output power; Power factor (PF) is high, and electrical network is disturbed less, and efficiency is high; Lightweight, noise is little etc., and in recent years, electronic ballast is obtained very fast development.In existing powerful electronic ballast for high-pressure discharge lamp, substantially all adopt following circuit structure: power factor correction circuit, switching power circuit power supply, full bridge inverter, load parameter sampling, main control circuit.In main control circuit part, have and adopt special chip to do main control chip, also have and adopt MCU to do main control chip; Adopt MCU to do main control chip, control flexibility high, Function Extension ability is strong.In existing electronic ballast for high-pressure discharge lamp, except there being less brand to have dimming function, other just just ballast function, makes in some applications, needs external equipment to coordinate.As the crops at growing interest produce, by controlled light, control the growth of crops, need function regularly, when using existing ballast, need to increase auxiliary control appliance and be used in conjunction with, this makes troubles to practical application.
[summary of the invention]
The technical problem to be solved in the present invention, is to provide a kind of electronic ballast for high-pressure discharge lamp, increases time control function, makes product when needing timed power on/off, not need outside equipment.
The technical problem to be solved in the present invention is achieved in that a kind of electronic ballast for high-pressure discharge lamp, comprise the power factor correction circuit connecting successively, one switching power circuit, one MCU governor circuit, and the load voltage current sampling circuit being connected with this MCU governor circuit, one full bridge inverter, described switching power circuit is connected with described MCU governor circuit and power factor correction circuit respectively, it is characterized in that: described electric ballast also comprises that a resonance point circuit for lamp and a timing control set up and determines circuit, described resonance point circuit for lamp is connected with described MCU governor circuit with timing controlled initialization circuit, described timing controlled initialization circuit is also connected with described switching power circuit.
Described electric ballast also comprises a fourth gear light-control knob, and this fourth gear light-control knob is connected with described MCU governor circuit.
Within described resonance point circuit for lamp is integrated in described full bridge inverter.
Described MCU governor circuit is also connected with full bridge inverter by a full bridge driving circuit.
Demonstration and driver element, power supply, button and communication interface that described timing control circuit further comprises MCU and is all connected to this MCU, wherein, the demonstration of described MCU81 and driver element comprise the Display panel lamp being located on electronic ballast shell, button has " ON/OFF ", " SET ", "+", "-" four buttons, communication interface and described MCU governor circuit connecting communication.
The invention has the advantages that: by setting up timing controlled initialization circuit, can realize bright time of turning off the light in the machine and control, and not need by other auxiliary equipment; Also can select by fourth gear light-control knob the power output of high-voltage gas discharging light.
[accompanying drawing explanation]
The present invention is further illustrated in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is the structured flowchart of one embodiment of the invention.
Fig. 2 is that the circuit principle structure of one embodiment of the invention is always schemed.
Fig. 3 is the timing controlled initialization circuit theory structure block diagram of one embodiment of the invention.
Fig. 4 is the timing controlled initialization circuit of one embodiment of the invention and the detailed circuit principle assumption diagram of fourth gear light-control knob.
Fig. 5 is the program flow diagram of timing controlled initialization circuit of the present invention.
[embodiment]
Refer to shown in Fig. 1 and Fig. 2, electronic ballast for high-pressure discharge lamp of the present invention, comprises that a power factor correction circuit 1, a switching power circuit 2, a MCU governor circuit 3, a full bridge inverter 4, a full bridge driving circuit 5, a resonance point circuit for lamp 6, a load voltage current sampling circuit 7, a timing control set up and determine circuit 8 and a fourth gear light-control knob 9.
Described power factor correction circuit 1, switching power circuit 2, MCU governor circuit 3 connects successively, described full bridge inverter 4 is connected with MCU governor circuit 3 by described full bridge driving circuit 5, described full bridge driving circuit 5 is connected to the two ends with lamp load by described resonance point circuit for lamp 6, described load voltage current sampling circuit 7 is connected between lamp load and MCU governor circuit 3, timing controlled initialization circuit 8 and described MCU governor circuit 3 connecting communications, described fourth gear light-control knob 9 is connected with MCU governor circuit 3, described switching power circuit 2 is given respectively described power factor correction circuit 1, MCU governor circuit 3 and 8 power supplies of timing controlled initialization circuit.
In addition, in an enforcement, within described resonance point circuit for lamp 6 can be integrated in described full bridge inverter.
The function of each part mentioned above circuit is as follows:
Described power factor correction circuit 1: to the electrical network input voltage after rectification, control adjustment, to export 400V direct voltage;
Described switching power circuit 2: be respectively described MCU governor circuit 3, power factor correction circuit 1 and 8 power supplies of timing controlled initialization circuit;
Described MCU governor circuit 3, for controlling the working condition of full bridge inverter 4, resonance point circuit for lamp 6, load voltage current sampling circuit 7 and timing controlled initialization circuit 8;
Described full bridge inverter 4: convert 400V direct current to high-frequency alternating current to lamp load, thereby the power of lamp load is controlled;
Described full bridge driving circuit 5: for driving described full bridge inverter 4 under the control at described MCU governor circuit 3;
Described resonance point circuit for lamp 6: produce high pressure at lamp load two ends, lamp load is punctured;
Described load voltage current sampling circuit 7: offer MCU governor circuit 3 and carry out processing controls for gathering the voltage at lamp load two ends and current signal;
Described timing control circuit 8: for controlling the lighting time of lamp load and the length of time of turning off the light;
Described fourth gear light-control knob 9: for regulating the power output of lamp load.
Again as shown in Figure 3, described timing control circuit 8 further comprises MCU81 and is all connected to this MCU81 demonstration and driver element 82, power supply 83, button 84 and communication interface 85.Wherein, the demonstration of described MCU81 and driver element 82 comprise the Display panel lamp being located on electronic ballast shell, button 84 has " ON/OFF ", " SET ", "+", "-" four buttons can be pressed, and communication interface 85 is for carrying out communication with described MCU governor circuit 3.Wherein, the detailed circuit principle assumption diagram of this timing controlled initialization circuit 8 and fourth gear light-control knob 9 can be shown in Figure 4.
The operation principle of electric ballast of the present invention is as follows:
1, electrical network input (85～265VAC) voltage, after over commutation, is controlled adjustment by power factor correction circuit 1, output 400V direct voltage;
2, by switching power circuit 2 output 5V power supplys, supply with the PFC control chip of MCU governor circuit 3,12V power supply supply fan, 15V power supply supply power factor correction circuit 1 and drive chip, and; Output 15V power supply is supplied with the timing controlled panel of described timing control circuit 8.
3,, by described load voltage current sampling circuit 7, modulating voltage and current signal are offered to MCU governor circuit 3 and carry out processing controls;
4, full bridge inverter 4, under the control of MCU governor circuit 3, is converted to high-frequency alternating current by 400V direct current and exports to lamp load, thereby the power of lamp load is controlled;
5, full bridge inverter 4, under the control of MCU governor circuit 3, produces high-frequency alternating voltage by 400V direct current, by described resonance point circuit for lamp 6, produces high pressure at lamp load two ends, and lamp load is punctured;
6, the button being located on electronic ballast shell by timing control circuit 8 is set lighting time and time of turning off the light length, by timing control circuit 8 and 3 communications of MCU governor circuit, lamp is controlled.
Again as shown in Figure 5, the program circuit of wherein said timing controlled initialization circuit is specially:
(1), power on, the Display panel lamp OFF being located on electronic ballast shell is bright, now lamp puts out;
(2), by pressing key assignments lighting time and time of turning off the light length;
(3), by " ON/OFF " button, undertaken lamp to light action; Lighting time starts timing, and the time reaches after bright light setting-up time, carries out bright light action, and carries out time of turning off the light timing; Time reaches after light-off setting-up time, the action of turning off the light, and carry out lighting time timing; So repeat; Can force transition status by " ON/OFF " button; Button has " ON/OFF ", " SET ", "+", "-" four buttons can be pressed, and during timing, described timing controlled initialization circuit and MCU governor circuit 3 carry out data communication, to show the indication situation of corresponding time timing numerical value and indicator light;
(4), have fourth gear power adjustable, by described fourth gear light-control knob 9, all can adjust at any time, after selection, ballast will be after lamp be bright, and lamp power output is undertaken by the power of selecting;
In sum, the present invention can realize bright time of turning off the light in the machine and controls by setting up timing controlled initialization circuit, and does not need by other auxiliary equipment; Also can select by fourth gear light-control knob the power output of high-voltage gas discharging light.
Claims (4)
1. an electronic ballast for high-pressure discharge lamp, comprise the power factor correction circuit connecting successively, one switching power circuit, one MCU governor circuit, and the load voltage current sampling circuit being connected with this MCU governor circuit, one full bridge inverter, described switching power circuit is connected with described MCU governor circuit and power factor correction circuit respectively, it is characterized in that, described electric ballast also comprises that a resonance point circuit for lamp and a timing control set up and determines circuit, described resonance point circuit for lamp is connected with described MCU governor circuit with timing controlled initialization circuit, described timing controlled initialization circuit is also connected with described switching power circuit, described full bridge inverter, under the control of described MCU governor circuit, produces high pressure by described resonance lighting circuit at the two ends of lamp load by the high-frequency alternating current of output, and lamp load is punctured, demonstration and driver element, power supply, button and communication interface that described timing controlled initialization circuit further comprises MCU81 and is all connected to this MCU81, wherein, the demonstration of described MCU81 and driver element comprise the Display panel lamp being located on electronic ballast shell, button has " ON/OFF ", " SET ", "+", "-" four buttons, communication interface and described MCU governor circuit connecting communication.
2. electronic ballast for high-pressure discharge lamp according to claim 1, is characterized in that: described electric ballast also comprises a fourth gear light-control knob, and this fourth gear light-control knob is connected with described MCU governor circuit.
3. electronic ballast for high-pressure discharge lamp according to claim 1, is characterized in that: within described resonance point circuit for lamp is integrated in described full bridge inverter.
4. electronic ballast for high-pressure discharge lamp according to claim 1, is characterized in that: described MCU governor circuit is also connected with full bridge inverter by a full bridge driving circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010541658.5A CN102238792B (en) | 2010-11-10 | 2010-11-10 | Electronic ballast for high pressure gas discharge lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010541658.5A CN102238792B (en) | 2010-11-10 | 2010-11-10 | Electronic ballast for high pressure gas discharge lamp |
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| Publication Number | Publication Date |
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| CN102238792A CN102238792A (en) | 2011-11-09 |
| CN102238792B true CN102238792B (en) | 2014-03-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201010541658.5A Active CN102238792B (en) | 2010-11-10 | 2010-11-10 | Electronic ballast for high pressure gas discharge lamp |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102497713B (en) * | 2011-11-16 | 2014-06-11 | 上海浪腾电子科技有限公司 | Electrodeless lamp dimming circuit and method |
| CN103796405B (en) * | 2013-11-07 | 2016-03-16 | 福建睿能科技股份有限公司 | A kind of method of remote operation electric ballast, relevant device and illuminator |
| CN103796403B (en) * | 2013-11-07 | 2015-08-05 | 福建睿能科技股份有限公司 | The intelligent ignition method of HID, HID electronic ballast and HID illuminator |
| CN104333938B (en) * | 2014-09-02 | 2018-01-05 | 北京东方百士电子有限公司 | Programmable electronic ballast |
| CN110582153B (en) * | 2019-08-01 | 2022-04-01 | 福建睿能科技股份有限公司 | Driving circuit, driving method thereof and electronic ballast |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200944693Y (en) * | 2006-08-28 | 2007-09-05 | 深圳市金威源科技有限公司 | Digital electronic ballast |
| CN201438774U (en) * | 2009-06-25 | 2010-04-14 | 潘一宇 | Ballast of fluorescent tube |
| CN201947521U (en) * | 2010-11-10 | 2011-08-24 | 福建睿能电子有限公司 | An electronic ballast of high voltage gas discharge lamp |
-
2010
- 2010-11-10 CN CN201010541658.5A patent/CN102238792B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200944693Y (en) * | 2006-08-28 | 2007-09-05 | 深圳市金威源科技有限公司 | Digital electronic ballast |
| CN201438774U (en) * | 2009-06-25 | 2010-04-14 | 潘一宇 | Ballast of fluorescent tube |
| CN201947521U (en) * | 2010-11-10 | 2011-08-24 | 福建睿能电子有限公司 | An electronic ballast of high voltage gas discharge lamp |
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| CN102238792A (en) | 2011-11-09 |
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Owner name: FUJIAN RAYNEN TECHNOLOGY CO., LTD.? Free format text: FORMER NAME: FUJIAN RAYNEN ELECTRONICS CO., LTD. |
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Address after: Copper Road Software Avenue Gulou District of Fuzhou city in Fujian province 350003 Software Park No. 89 C District No. 26 building three layer A Patentee after: FUJIAN RAYNEN TECHNOLOGY CO., LTD. Address before: Copper Road Software Avenue Gulou District of Fuzhou city in Fujian province 350003 Software Park No. 89 C District No. 26 Patentee before: Fujian Raynen Electronics Co., Ltd. |