CN101815397B - Electronic ballast of high voltage sodium lamp - Google Patents
Electronic ballast of high voltage sodium lamp Download PDFInfo
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- CN101815397B CN101815397B CN2010101557349A CN201010155734A CN101815397B CN 101815397 B CN101815397 B CN 101815397B CN 2010101557349 A CN2010101557349 A CN 2010101557349A CN 201010155734 A CN201010155734 A CN 201010155734A CN 101815397 B CN101815397 B CN 101815397B
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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 discloses an electronic ballast of a high voltage sodium lamp, which comprises an EMC circuit, a rectifier circuit, a power factor controlling and voltage stabilizing circuit, an energy storage filter circuit, an output circuit and a high voltage start circuit which are connected sequentially, wherein the output circuit is also connected with a control module, and the control module comprises an output short circuit and open circuit detection unit, a detection and control circuit and an output driving circuit. The invention has the advantages of energy saving, high efficiency, stability and the like.
Description
Technical field
The present invention relates to a kind of electric ballast, especially relate to a kind of electric ballast that is applied to high-pressure sodium lamp.
Background technology
High-pressure sodium lamp is a kind of high-intensity gas discharge lamp of excellent performance, and its advantage is that light efficiency is high, the life-span is long, sodium gold-tinted penetration power is strong, is particluarly suitable for the illumination under outdoor rainy day, the greasy weather condition, so extensive use on street lighting.At present, it is inductance type ballast that high-pressure sodium lamp adopted more, and its power factor is low, and the electric energy of part has not only been wasted a large amount of electric energy with the form consumption of heat, and the bigger potential safety hazard of self-heating existence, also directly has influence on useful life.
Inductance type ballast adopts inductive energy storage; Moment breaks off generation high pressure mode and starts; Can produce high voltage during startup, big electric current impacts bulb, not only itself is fragile, and influences the useful life of lamp; And when voltage is low, bulb when aging, when long, possibly of inductance type ballast can't trigger lights high-pressure sodium lamp to Inductive ballast with the bulb line.
Summary of the invention
The objective of the invention is: the energy-saving and high-pressure electronic ballast of sodium lamp that a kind of energy consumption is little, effect is high, the life-span is long is provided.
The objective of the invention is to realize like this:
A kind of electronic ballast of high voltage sodium lamp, it comprises EMC circuit, rectification circuit, power factor controlling and voltage stabilizing circuit, energy storage filter circuit, output circuit and the high-voltage starting circuit that is linked in sequence, electric main input EMC circuit; Isolate the back through the π type of CLC and get into rectification circuit; Convert interchange into behind the direct current input power factor control and voltage stabilizing circuit through bridge rectifier, through forming the dc constant voltage power supply after the input energy storage filter circuit filtering after power factor adjustment and the voltage stabilizing, through output circuit supply high-pressure sodium lamp; Also be connected with control module on the output circuit; This control module comprises: output weak point, the detecting unit that opens circuit, detection and control circuit and output driving circuit, and the output that this output is short, open circuit detecting unit and detection and control circuit are connected to said output circuit, output is short, the detecting unit that opens circuit is sampled through the electrical quantity of output circuit output; And send to and detect and control circuit is made judgement; And sending control signal corresponding to output driving circuit, this output driving circuit is according to the control signal controlling output circuit that receives, simultaneously; The electrical quantity of this detection and control circuit Direct Sampling output circuit; And make judgement according to this electrical quantity, and send control signal corresponding to output driving circuit, this output driving circuit is according to the control signal controlling output circuit that receives.
The course of work of the present invention is following:
Energized produces the DC15V power supply, each circuit working; Detect and control circuit analysis output has or not short, open circuit (have short, opening circuit gets into short, open circuit protection state; Indicator lamp shows corresponding malfunction); Analyze input voltage height (occurred, under-voltage got into low-voltage protection, indicator lamp shows corresponding malfunction); Detection and control circuit send initiating signal and supply sodium vapor lamp starting (if fail to start; Get into guard mode; Indicator lamp shows corresponding malfunction); Detect fluorescent tube and start, enter into running status immediately, constantly adjust signal based on the running current situation of fluorescent tube in the running and make power output keep constant; In running, constantly detect output and have or not short circuit, open circuit and had or not under-voltage, if having lack, open circuit, overvoltage, under-voltage then get into guard mode, export to indicator lamp simultaneously and show corresponding malfunction.
Through above-mentioned design, improved the stability of ballast operation greatly, have the beneficial effect of energy-conservation and high effect simultaneously.
As the improvement of technique scheme, further technical scheme of the present invention is following:
Above-mentioned detection and control circuit further comprise: operational amplifier, CPU and power detection element; The electrical quantity that output is short, the detecting unit that opens circuit sampling is exported through output circuit; And send to and detect and control circuit; This electrical quantity is sent to CPU and makes judgement after operational amplifier amplifies, and sends control signal corresponding to output driving circuit, and this output driving circuit is based on the control signal control output circuit that receives; Simultaneously, the electrical quantity of power detection element sampling output circuit, and make judgement based on this electrical quantity, and send control signal corresponding to output driving circuit, this output driving circuit is based on the control signal control output circuit that receives.
Also be connected with surge absorbing circuit on the above-mentioned output circuit, this surge absorbing circuit absorbs the momentary pulse of output circuit.
Add anti-electric current, voltage surge absorption circuit, absorb the energy harmful, to the protection system steady operation, do not burnt, increase the service life and played crucial effects electronic component.
Above-mentioned rectification circuit adopts bridge rectifier module RS808,8A/800V.
Above-mentioned power factor (PF) control and voltage stabilizing circuit are driving with integrated circuit MC33262, high-power MOS tube output.
Description of drawings
Accompanying drawing is the operation principle block diagram of a specific embodiment of the present invention;
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is done further detailed description, but not as to qualification of the present invention.
Accompanying drawing is an operation principle block diagram of the present invention; As can be seen from the figure, the present invention includes EMC circuit, rectification circuit, power factor controlling and the voltage stabilizing circuit, energy storage filter circuit, output circuit and the high-voltage starting circuit that are linked in sequence, 220V electric main input EMC circuit; Isolate the back through the π type of CLC and get into rectification circuit; Convert interchange into behind the direct current input power factor control and voltage stabilizing circuit through bridge rectifier, through forming the dc constant voltage power supply after the input energy storage filter circuit filtering after power factor adjustment and the voltage stabilizing, through output circuit supply high-pressure sodium lamp; Also be connected with control module 1 on the described output circuit; This control module 1 comprises: output weak point, the detecting unit that opens circuit, detection and control circuit and output driving circuit, and the output that this output is short, open circuit detecting unit and detection and control circuit are connected to said output circuit, output is short, the detecting unit that opens circuit is sampled through the electrical quantity of output circuit output; And send to and detect and control circuit is made judgement; And sending control signal corresponding to output driving circuit, this output driving circuit is according to the control signal controlling output circuit that receives, simultaneously; The electrical quantity of this detection and control circuit Direct Sampling output circuit; And make judgement according to this electrical quantity, and send control signal corresponding to output driving circuit, this output driving circuit is according to the control signal controlling output circuit that receives.
The detection of present embodiment and control circuit output also are provided with indicator light.
The course of work of present embodiment is following:
Energized produces the DC15V working power, each circuit working; Detect and control circuit analysis output has or not short, open circuit (have short, opening circuit gets into short, open circuit protection state; Indicator lamp shows corresponding malfunction); Analyze input voltage height (occurred, under-voltage got into low-voltage protection, indicator lamp shows corresponding malfunction); Detection and control circuit send initiating signal and supply sodium vapor lamp starting (if fail to start; Get into guard mode; Indicator lamp shows corresponding malfunction); Detect fluorescent tube and start, enter into running status immediately, constantly adjust signal based on the running current situation of fluorescent tube in the running and make power output keep constant; In running, constantly detect output and have or not short circuit, open circuit and had or not under-voltage, if having lack, open circuit, overvoltage, under-voltage then get into guard mode, export to indicator lamp simultaneously and show corresponding malfunction.
Through above-mentioned design, improved the stability of ballast operation greatly, have the beneficial effect of energy-conservation and high effect simultaneously.
The detection and the control circuit of present embodiment further comprise: operational amplifier, CPU and power detection element; The electrical quantity that output is short, the detecting unit that opens circuit sampling is exported through output circuit; And send to and detect and control circuit; This electrical quantity is sent to CPU and makes judgement after operational amplifier amplifies, and sends control signal corresponding to output driving circuit, and this output driving circuit is based on the control signal control output circuit that receives; Simultaneously, the electrical quantity of power detection element sampling output circuit, and make judgement based on this electrical quantity, and send control signal corresponding to output driving circuit, this output driving circuit is based on the control signal control output circuit that receives.
Also be connected with surge absorbing circuit on the output circuit of present embodiment, this surge absorbing circuit absorbs the momentary pulse of output circuit.
Add anti-electric current, voltage surge absorption circuit, absorb the energy harmful, to the protection system steady operation, do not burnt, increase the service life and played crucial effects electronic component.
The rectification circuit of present embodiment adopts bridge rectifier module RS808,8A/800V.Power factor (PF) control and voltage stabilizing circuit are driving with integrated circuit MC33262, high-power MOS tube output.Its effect is: A, improve the bearing power factor of this product; B, when AC-input voltage 180V-240V, keep stable 370V direct voltage supply power output circuit.
In addition, present embodiment also has following function:
(1), " energy-saving power " function: " energy-saving power " time and the ratio of confirming the time after midnight according to user's needs;
(2), restart function: product output circuit when getting into guarantor's state quits work, and restarts after the wait somewhat, does not get rid of like fault then to get into guard mode again, after the maintenance personal fixes a breakdown, starts automatically.
(3), power-off protection function: sudden power in running, when in the regular hour, restoring electricity, product time-delay is restarted after a few minutes, this function is to prevent that fluorescent tube from high temperature starting, and avoids fluorescent tube is injured.
What need particularly point out is: the execution mode of realizing the object of the invention is not limited to specifying of present embodiment; Other any do not deviate from change that innovative point of the present invention does, substitutes, combination or simplify; All should be regarded as the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (5)
1. electronic ballast of high voltage sodium lamp, it comprises EMC circuit, rectification circuit, power factor controlling and voltage stabilizing circuit, energy storage filter circuit, output circuit and the high-voltage starting circuit that is linked in sequence; Electric main input EMC circuit; Isolate the back through the π type of CLC and get into rectification circuit; Convert interchange into behind the direct current input power factor control and voltage stabilizing circuit through bridge rectifier, through forming the dc constant voltage power supply after the input energy storage filter circuit filtering after power factor adjustment and the voltage stabilizing, through output circuit supply high-pressure sodium lamp; It is characterized in that: also be connected with control module on the described output circuit; This control module comprises: output weak point, the detecting unit that opens circuit, detection and control circuit and output driving circuit, and the output that this output is short, open circuit detecting unit and detection and control circuit are connected to said output circuit, output is short, the detecting unit that opens circuit is sampled through the electrical quantity of output circuit output; And send to and detect and control circuit; Detection and control circuit are made according to the electrical quantity that receives and are judged that back transmission control signal corresponding arrives output driving circuit, and this output driving circuit is according to the control signal controlling output circuit that receives, simultaneously; The electrical quantity of this detection and control circuit Direct Sampling output circuit; And make judgement according to this electrical quantity, and send control signal corresponding to output driving circuit, this output driving circuit is according to the control signal controlling output circuit that receives.
2. a kind of electronic ballast of high voltage sodium lamp according to claim 1; It is characterized in that: described detection and control circuit further comprise: operational amplifier, CPU and power detection element; The electrical quantity that output is short, the detecting unit that opens circuit sampling is exported through output circuit; And send to and detect and control circuit; This electrical quantity is sent to CPU and makes judgement after operational amplifier amplifies, and sends control signal corresponding to output driving circuit, and this output driving circuit is according to the control signal controlling output circuit starting that receives or get into guard mode; Simultaneously; The electrical quantity of power detection element sampling output circuit; And make judgement according to this electrical quantity, and send control signal corresponding to output driving circuit, this output driving circuit keeps firm power output according to the control signal controlling output circuit that receives.
3. a kind of electronic ballast of high voltage sodium lamp according to claim 1 is characterized in that: also be connected with surge absorbing circuit on the described output circuit, this surge absorbing circuit absorbs the momentary pulse of output circuit.
4. a kind of electronic ballast of high voltage sodium lamp according to claim 1 is characterized in that: described rectification circuit adopts bridge rectifier module RS808,8A/800V.
5. a kind of electronic ballast of high voltage sodium lamp according to claim 1 is characterized in that: described power factor controlling and voltage stabilizing circuit are driving with integrated circuit MC33262, high-power MOS tube output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101557349A CN101815397B (en) | 2010-03-22 | 2010-03-22 | Electronic ballast of high voltage sodium lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101557349A CN101815397B (en) | 2010-03-22 | 2010-03-22 | Electronic ballast of high voltage sodium lamp |
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| Publication Number | Publication Date |
|---|---|
| CN101815397A CN101815397A (en) | 2010-08-25 |
| CN101815397B true CN101815397B (en) | 2012-09-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010101557349A Expired - Fee Related CN101815397B (en) | 2010-03-22 | 2010-03-22 | Electronic ballast of high voltage sodium lamp |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2016090645A1 (en) * | 2014-12-12 | 2016-06-16 | 深圳市聚作照明股份有限公司 | Driving protection circuit and led switch-mode power supply |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5859505A (en) * | 1997-10-02 | 1999-01-12 | Philips Electronics North America Corporation | Method and controller for operating a high pressure gas discharge lamp at high frequencies to avoid arc instabilities |
| CN101137263A (en) * | 2006-08-28 | 2008-03-05 | 深圳市金威源科技有限公司 | Digital type electronic ballast and control method thereof |
| CN101415287A (en) * | 2008-11-21 | 2009-04-22 | 王德胜 | Protection and control circuit for high-power HID lamp electric ballast |
| CN101466192A (en) * | 2008-11-25 | 2009-06-24 | 何宇峰 | Control method for digital high voltage sodium lamp electronic ballast |
-
2010
- 2010-03-22 CN CN2010101557349A patent/CN101815397B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5859505A (en) * | 1997-10-02 | 1999-01-12 | Philips Electronics North America Corporation | Method and controller for operating a high pressure gas discharge lamp at high frequencies to avoid arc instabilities |
| CN101137263A (en) * | 2006-08-28 | 2008-03-05 | 深圳市金威源科技有限公司 | Digital type electronic ballast and control method thereof |
| CN101415287A (en) * | 2008-11-21 | 2009-04-22 | 王德胜 | Protection and control circuit for high-power HID lamp electric ballast |
| CN101466192A (en) * | 2008-11-25 | 2009-06-24 | 何宇峰 | Control method for digital high voltage sodium lamp electronic ballast |
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| CN101815397A (en) | 2010-08-25 |
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Granted publication date: 20120926 Termination date: 20130322 |