CN2267603Y - High frequency electronic ballast for high pressure gas discharging lamp - Google Patents
High frequency electronic ballast for high pressure gas discharging lamp Download PDFInfo
- Publication number
- CN2267603Y CN2267603Y CN 96231771 CN96231771U CN2267603Y CN 2267603 Y CN2267603 Y CN 2267603Y CN 96231771 CN96231771 CN 96231771 CN 96231771 U CN96231771 U CN 96231771U CN 2267603 Y CN2267603 Y CN 2267603Y
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- China
- Prior art keywords
- circuit
- frequency
- voltage
- control circuit
- gas discharging
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- Expired - Fee Related
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Abstract
The utility model relates to a high frequency electronic ballast for a high voltage gas discharging lamp, which is composed of a rectifier circuit (1), a voltage rise type power factor (cos phi) corrector (2), a start circuit (4), a high voltage triggering circuit (5), an electronic switching circuit (6), and a high frequency inductor (7). In addition, a time programming circuit (8), an inductance control circuit (9), a second order power circuit (14) and a frequency control circuit (10) are newly designed. Owing to the addition of the circuits, the utility model can adapt larger voltage fluctuation of an electric network, and the utility model has the functions of light regulation and power regulation. Compared with the original products, the utility model has the advantages of small active power consumption, less power consumption, adaptation of the fluctuation of electric wave voltage, and visual performance.
Description
The utility model relates to a kind of high-voltage gas discharging light high-frequency electronic ballast, is applicable to journey partially of a kind of time, self-regulating high-voltage gas discharging light.
The electric ballast of existing high-voltage gas discharging light is by ac power supply, rectification circuit is generally arranged, booster type power factor (PF) (cos φ) adjuster, start-up circuit, high-voltage triggering circuit, electronic switching circuit, high-frequency inductor is formed, this class lamp is very high to the supply voltage stability requirement, the incompatibility line voltage has fluctuation by a relatively large margin, when voltage amplitude variation is big, the high-voltage gas discharging light of normal burning-point is extinguished, therefore can not come lamp is carried out light modulation, adjusting power with the method that changes the supply voltage amplitude.
First purpose of the present utility model is: propose a kind of high-voltage gas discharging light electric ballast that line voltage fluctuates widely that adapts to, it is second purpose of the present utility model that this electric ballast also has the function that high-voltage gas discharging light active power or luminous flux are regulated.
The technical solution of the utility model is the high-voltage gas discharging light high-frequency electronic ballast, by rectification circuit (1), booster type power factor (PF) (cos φ) adjuster (2), start-up circuit (4), high-voltage triggering circuit (5), high-frequency inductor (7) is formed, also increase design time programmed circuit (8) newly, inductance control circuit (9), secondary power supply circuit (14), frequency control circuit (10); Mains supply is after rectification circuit (1) rectification, one the tunnel exports secondary power supply circuit (14) to through booster type power factor (PF) (cos φ) adjuster (2), for time programming circuit (8), inductance control circuit (9) and frequency control circuit (10), another road is for start-up circuit (4), start-up circuit (4) is exported to high frequency circuits for triggering (5), exports to lamp load P then.Start-up circuit (4) one tunnel is exported to electronic switch (6); The electronics worker is closed (6) and is exported high-frequency inductor (7) to; Inductance control circuit (9) is exported to high-frequency inductor (7); High-frequency inductor (7) is exported to lamp load (P).
The high-voltage gas discharging light high-frequency electronic ballast, generally all designed rectification circuit (1), booster type power factor corrector (2), start-up circuit (4), high-voltage triggering circuit (5), electronic switching circuit (6), high-frequency inductor (7) can be regulated the power of high-voltage gas discharging light when line voltage fluctuates widely at regular time and quantity for reaching to adapt to, guarantee the high-voltage gas discharging light steady operation, newly designed time programming circuit (8), inductance control circuit (9), frequency control circuit (10) secondary power supply circuit (14).Secondary power supply circuit (14) is given time programming circuit (8), inductance control circuit (9), and frequency control circuit (10) provides stable working power.
The design's time programming circuit (8) is exported control signal in the different moment to inductance control (9) or FREQUENCY CONTROL (10), under this signal controlling, inductance control circuit (9) is further controlled the size that is serially connected with the high-frequency inductor (7) between electronic switch (6) output and the high-voltage gas discharging light, thereby regulate the size of lamp current, realized adjusting light or lamp power; In like manner, under the control of time programming (8) output signal, frequency control circuit (10) is further controlled the size of electronic switch (6) oscillating capacitance value, changed electronic switch (6) operating frequency, make under the high-frequency inductor ballast of determining, lamp current changes, thereby has reached the adjusting to lamp power or light flux.
Because secondary power supply circuit (14) provides stable working power, and in carrying out above-mentioned two kinds of running parameter adjustment processes, the operating voltage value stabilization that electronic switch (6) is supplied with in boost power factor adjuster (2) output is constant, therefore, the stable working state of high-voltage gas discharging light, and realized the purpose of light modulation, adjusting power.Realize the invention task.
Fig. 1 is the block flow diagram of technical solutions of the utility model.
Fig. 2 is the another block flow diagram of technical solutions of the utility model.
Fig. 3 is the circuit diagram of technical solutions of the utility model.
Be described in detail the utility model below in conjunction with accompanying drawing:
One of embodiment of the present utility model is the high-frequency electronic ballast of gases at high pressure lamp, by rectification circuit (1), booster type merit factor (cos φ) adjuster (2), start-up circuit (4), high-voltage triggering circuit (5), electronic switching circuit (6), high-frequency inductor (7) is formed, and also increases design time programmed circuit (8) newly, inductance control circuit (9), secondary power supply circuit (14), frequency control circuit (10).Mains supply is after rectification circuit (1) rectification, one the tunnel through the sub-switch of booster type power factor (PF) (cos φ) adjuster (2) output power supply (6) stablize constant operating voltage, secondary power supply circuit (14) is transported on another road, secondary power supply circuit (14) is for time programming circuit (8), inductance control circuit (9) and frequency control circuit (10), one the tunnel for start-up circuit (4) again, a kind of output of start-up circuit (4) is exported to lamp load through high-voltage triggering circuit (5), and electronic switch (6) is exported on another road of start-up circuit (4); FREQUENCY CONTROL (10) exports electronic switch (6) to, and electronic switch (6) is exported to high-frequency inductor (7); Inductance control circuit (9) is exported to high-frequency inductor (7), and high-frequency inductor (7) is exported to lamp load (Fig. 1).
Traditional rectification circuit (1) can be by 4 diode D
1, D
2, D
3, D
4Bridge rectifier or other the similar rectification circuits formed.Booster type capability correction device (2) can be by switched inductors B
2, the Active PFC ic chip
1, switch Vmos manages T
1, diode D
8, resistance R
1, R
2, R
3, R
6R
14, capacitor C
5, C
6, C
7Form IC
1Include the zero current detector error amplifier, one-quadrant multiplier, the integrated package of comparator, reference power supply, logical circuit, it exports start-up circuit (4) and electronic switch (6) to; Start-up circuit (4) can be by resistance R
20, R
21, capacitor C
16, diode D
9, D
10, D
11, D
12Constitute, high-voltage triggering circuit (5) can be by capacitor C
17, controllable silicon SCR
1, step-up pulse transformer B
4Form (Fig. 3), high-frequency inductor (7) is by L
1, L
2Form.IC
1Can be MC34261, KA7514, TD4862, or similar integrated package.
Compare with conventional electronic ballast, the utility model is set up the circuit that operating time, operating frequency, the operating current counted lamp are controlled in real time, i.e. time programmed circuit (8), inductance control circuit (9), frequency control circuit (10).
Newly-designed time programming circuit (8) is by the time programming ic chip
3, resistance R
24, R
25, R
28, capacitor C
21, C
22Form.IC
3Can be CD4040, CD4017, CD4060 also can be with the integrated package that identical function is arranged.
Inductance control circuit (9) is by controllable silicon SCR
2, relay J
1, diode D
16, D
17, resistance R
22Form; Secondary power supply circuit (14) is by winding B
2, diode D
5, D
6, D
7, capacitor C
9, C
19, C
20, resistance R
18, R
19, voltage-stabiliser tube DW
1, DW
2Form.
Start-up circuit (4) is compared with existing start-up circuit, is to have added D
11, what increased start-up circuit (4) a road exports high-voltage triggering circuit (5) to, and electronic switching circuit (6) is delivered on another road, and electronic switch (6) is by Vmos power tube T
4, T
5, high-frequency and high-voltage device B
3, resistance R
16, R
17, capacitor C
11, C
12, C
13, C
14, voltage-stabiliser tube DW
3, DW
4, and be serially connected with C
11Or C
1Relay J in 3 loops
2Normally closed (or often opening) contact form; T
4, T
5Alternation switch form the higher-order of oscillation, by T
4, T
5Tie-point is through B
3Elementary output high-frequency electrical energy.
Further stable for guaranteeing circuit, design total current sample circuit (3) and protective circuit (12) in the circuit, total current sample circuit (3) is by the resistance R that is serially connected with in booster type power factor corrector (2) output loop
15Form; Protective circuit (12) is by operational amplifier IC
12, diode D
13, D
14, D
15, transistor T
6, resistance R
26, R
27, R
30, R
31, R
32, capacitor C
15, C
24Form.IC
2Can be double operational, also can be the four high guaily unit integrated package, LM158 for example, LM324, LM258 or other integrated packages of identical function are arranged.
After boost power factor adjuster (2) work, flow path B
2The switching pulse electric current through B
2Step-down, and by D
5, D
6, D
7Become time programming (8), inductance control (9), FREQUENCY CONTROL (10), protective circuit (12) working power after rectification respectively, filtering, the voltage stabilizing.
Resistance R 15 is serially connected with boost power factor adjuster (2) and electronic switch (6), time programming circuit (8), inductance control circuit (9), frequency control circuit (10), protect between despreading circuit (12) and the lamp load in the loop, flows through R
15Average current reflected that reliably their work total current changes, from R
15The direct voltage signal that two ends are obtained is as the discriminating voltage of protective circuit (12), when the integrated circuit (IC) in the protective circuit (12) takes place when unusual for lamp current or electronic switch (6) work
2Stable reference data voltage and signal voltage are compared discriminating, and through T
6Output signal is ended electronic switch (6) work immediately, implements defencive function.
Be steady operation electric current further, the high-voltage gas discharging light High Frequency Electric Ballast also increases design lamp current sample circuit (11), boost control circuit (13), and boost control circuit is by transistor T
2, T
3, resistance R
4, R
5Form, lamp current sample circuit (11) is by transformer B
5, diode D
19, resistance R
29, capacitor C
23, C
10Form.
The concrete course of work of the present utility model is: civil power is through bridge rectifier D
1～4, and through C
3Filtering becomes pulsating dc voltage about 300V, this voltage through winding B
2, D
8After again through C
8Filtering is as T
4, T
5Power supply, and through R
20, R
21Give C
16C is worked as in charging
16Last voltage is charged to D
10Discharge during threshold value, form and start triggering signal, one road signal is through D
12Trigger electronic switch (6) starting of oscillation, another road is through D
11Make high-voltage trigger SCR
1, C
17, B
4Produce high-voltage pulse and light high-voltage gas discharging light.
Lamp after lighting is by T
4, T
5The high frequency voltage of tie-point output is through inductance L
1, L
2Through the ballast steady operation, lamp current is by B
5Transformer sampling, D
19Send in the boost control circuit (13) T after the rectification
3It is saturated that base stage makes it, like this T
3End T
1Operate as normal, integrated circuit (IC)
1Control T
1Electric current makes it to compensate input current, makes continuous sinusoidal variations even input current is followed input voltage, and correcting power factors makes it to be tending towards 1, simultaneously, and at D
8Galvanic current after negative pole output is boosted is pressed the power supply as electronic switch (6).
After boost power factor adjuster (2) operate as normal, through D
6, D
7Direct voltage after the rectification is given the time programming ic chip
3, the ic chip of protective circuit (12)
2Power supply.
IC3 electricly realize the output zero clearing that resets simultaneously, oscillator work and counting, on the lead-out terminal of programming location in advance, timesharing output high level makes the controlled actuating of relay, connect (or disconnection) controlling object, make high-frequency inductor reduce (or raise), the electronic switch frequency of oscillation uprises (or reduction), thereby realized adjusting to high-voltage gas discharging light power or luminous flux.
Electronic switch (6) and lamp current flow through current sampling resistor R
15The time, the signal voltage that two ends produce is delivered to voltage comparator ic
2Compare with the reference voltage value of setting, when signal voltage exceeds reference voltage range, IC
2The output high level makes T
6Saturated, thus make T
5End, interrupt electronic switch work, implement defencive function.
Effect of the present utility model is:
The high-voltage gas discharging light that adopts this device to light can adapt to line voltage fully Fluctuate widely, power or the light to high-voltage gas discharging light is logical at regular time and quantity simultaneously Amount implement to be regulated, and what lamp can not take place in the adjustment process puts out phenomenon certainly, has further widened The range of application of this class lamp.
Using this device successfully is implemented in required " evening lamp " engineering of city illumination, namely light a lamp rear timing until midnight automatically with the burning-point power reduction 30%～60% of road lighting high-voltage gas discharging light (routine NG250 type high-pressure mercury lamp), lamp keeps not taking place from putting out simultaneously, reach energy-conservation purpose, below adopt inductance type ballast and this device of same specification to carry out the tables of data that technical-economic index contrasts mutually:
| The contrast project | 250W lamp Inductive ballast | Apparatus of the present invention (250W specification) |
| Input power VA | 3A×220V＝660VA | 1.05A×220V～0.62A×220V 231～137VA |
| Consume active power W | 660×0.5＝330V | 219.45～130.15W |
| The line power factor | ≤0.5 | ≥0.95 |
| 10 hours power consumption Kwh | 3.3kwh | 5h×(219.45+130.15) ＝1.748kwh |
| The year power consumption | 1204.5kwh | 638kwh |
| During voltage ripple of power network 20% | Supporting 250W lamp extinguishes | Do not have from putting out phenomenon |
| Remarks | Lamp NG-250 type, the lumen coefficient of lamp is not during with this matched with devices When supporting less than the same specification inductance type ballast 95% implemented to light a lamp The rear scheme that made lamp power drop to 150W in 5 hours. | |
By upper column data as can be known, adopt this device to reach the enforcement high-voltage gas discharging light The purpose of " falling power midnight " can be for the user, be that country produces huge economy effect Benefit and social benefit.
Claims (7)
1, a kind of high-voltage gas discharging light high-frequency electronic ballast is by rectification circuit (1), booster type power factor (PF) (cos φ) adjuster (2), start-up circuit (4), high-voltage triggering circuit (5), electronic switching circuit (6), high-frequency inductor (7) is formed, and it is characterized in that also designing in the ballast free programmed circuit (8), inductance control circuit (9), secondary power supply circuit (14), frequency control circuit (10); Mains supply is after rectification circuit (1) rectification, one the tunnel exports secondary power supply circuit (14) to through booster type power factor (PF) (cos φ) adjuster (2), for time programming circuit (8), inductance control circuit (9) and frequency control circuit (10), another road is for start-up circuit (4) and electronic switch (6), start-up circuit (4) is exported to high frequency circuits for triggering (5), exports to lamp load P then; Electronic switch (6) is exported on another road of start-up circuit (4); Electronic switch is exported to high-frequency inductor (7), and inductance control circuit (9) is exported to high-frequency inductor (7); High-frequency inductor (7) is exported to lamp load P.
2, by the described high-voltage gas discharging light high-frequency electronic ballast of claim 1; it is characterized in that ballast has also designed total current sample circuit (3) and protective circuit (12); total current sample circuit (3) is between power factor (PF) (cos φ) adjuster (2) and electronic switching circuit (6); protective circuit (12) is exported on another road of total current sample circuit (3), and protective circuit (12) is between secondary power supply circuit (14) and electronic switch (6).
3, by claim 1,2 described high-voltage gas discharging light high-frequency electronic ballasts, it is characterized in that ballast has also designed lamp current sample circuit (11) and boost control circuit (13), the electric current of lamp P is transported to boost control circuit (13) through lamp current sample circuit (11), feeds back to booster type power factor (PF) (cos φ) adjuster again.
4,, it is characterized in that time programming circuit (8) is by the time programming ic chip by the described high-voltage gas discharging light High Frequency Electric Ballast of claim 1
3, resistance R
24, R
25, R
28, capacitor C
21, C
22Form; Inductance control circuit (9) is by controllable silicon SCR
2, relay J
1, diode D
16, D
17, resistance R
22Form; Frequency control circuit (10) is by controllable silicon SCR
3, relay J
2Diode D
15, D
18, resistance R
23Form; Secondary power supply circuit (14) is by winding B
2, diode D
5, D
6, D
7, capacitor C
9, C
19, C
20, resistance R
18, R
19, voltage-stabiliser tube DW
1, DW
2Form.
5,, it is characterized in that the total current sample circuit (3) in the circuit is by the resistance R that is serially connected with in boost power factor adjuster (2) output loop by the described high-voltage gas discharging light High Frequency Electric Ballast of claim 2
15Form, protective circuit (12) is by operational amplifier IC
2, diode D
13, D
14, D
20, transistor T
6, resistance R
26, R
27, R
30, R
31, R
32, capacitor C
15, C
24Form.
6,, it is characterized in that boost control circuit (13) in the circuit is by transistor T by the High Frequency Electric Ballast of the described high-voltage gas discharging light of claim 3
2, T
3, resistance R
4, R
5Form.Lamp current sample circuit (11) is by transformer B
5And diode D
19, resistance R
29, capacitor C
10, C
23Form.
7,, it is characterized in that start-up circuit (4) upward adds D by the High Frequency Electric Ballast of the described high gaseous discharge lamp of claim 3
11, D
12, make start-up circuit increase by one the tunnel and export high-voltage triggering circuit (5) to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96231771 CN2267603Y (en) | 1996-04-30 | 1996-04-30 | High frequency electronic ballast for high pressure gas discharging lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96231771 CN2267603Y (en) | 1996-04-30 | 1996-04-30 | High frequency electronic ballast for high pressure gas discharging lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2267603Y true CN2267603Y (en) | 1997-11-12 |
Family
ID=33908860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96231771 Expired - Fee Related CN2267603Y (en) | 1996-04-30 | 1996-04-30 | High frequency electronic ballast for high pressure gas discharging lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2267603Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100341240C (en) * | 2005-05-31 | 2007-10-03 | 珠海市东华金舟节能设备有限公司 | Controllable inductance of AC field magnetic amplifier and its application |
| CN101018441B (en) * | 2007-02-09 | 2010-09-29 | 扬州双鸿电子有限公司 | DC voltage and current constant power special for high-voltage gas laser discharge device |
| CN1735304B (en) * | 2004-08-04 | 2010-12-08 | 优志旺电机株式会社 | Power supply apparatus for high voltage discharge lamp |
| CN101925229A (en) * | 2010-07-20 | 2010-12-22 | 杭州泰樱诺科技有限公司 | Driving circuit device of LED lamp tube |
| US8063572B2 (en) | 2004-11-11 | 2011-11-22 | Panasonic Corporation | High-pressure discharge lamp lighting device |
| CN102355786A (en) * | 2011-09-07 | 2012-02-15 | 辽宁宝林集团节能科技有限公司 | Intelligently controlled highly-efficient and energy-saving high-frequency stepless lamp |
-
1996
- 1996-04-30 CN CN 96231771 patent/CN2267603Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1735304B (en) * | 2004-08-04 | 2010-12-08 | 优志旺电机株式会社 | Power supply apparatus for high voltage discharge lamp |
| US8063572B2 (en) | 2004-11-11 | 2011-11-22 | Panasonic Corporation | High-pressure discharge lamp lighting device |
| CN100341240C (en) * | 2005-05-31 | 2007-10-03 | 珠海市东华金舟节能设备有限公司 | Controllable inductance of AC field magnetic amplifier and its application |
| CN101018441B (en) * | 2007-02-09 | 2010-09-29 | 扬州双鸿电子有限公司 | DC voltage and current constant power special for high-voltage gas laser discharge device |
| CN101925229A (en) * | 2010-07-20 | 2010-12-22 | 杭州泰樱诺科技有限公司 | Driving circuit device of LED lamp tube |
| CN101925229B (en) * | 2010-07-20 | 2013-05-22 | 杭州泰樱诺科技有限公司 | Driving circuit device of LED lamp tube |
| CN102355786A (en) * | 2011-09-07 | 2012-02-15 | 辽宁宝林集团节能科技有限公司 | Intelligently controlled highly-efficient and energy-saving high-frequency stepless lamp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |