CN202738239U - Electronic ballast for metal halide lamp - Google Patents
Electronic ballast for metal halide lamp Download PDFInfo
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- CN202738239U CN202738239U CN2012204068404U CN201220406840U CN202738239U CN 202738239 U CN202738239 U CN 202738239U CN 2012204068404 U CN2012204068404 U CN 2012204068404U CN 201220406840 U CN201220406840 U CN 201220406840U CN 202738239 U CN202738239 U CN 202738239U
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- halogen lamp
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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
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
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Abstract
The utility model provides an electronic ballast for a metal halide lamp. The electronic ballast comprises a overvoltage protection rectification filter circuit, an active power factor correction circuit, a low-voltage power supply circuit, a PWM power control circuit, a double-frequency inverter circuit, a starting circuit and a single-chip microcomputer control circuit, wherein steady voltage is provided by the overvoltage protection rectification filter circuit, the active power factor correction circuit and the low-voltage power supply circuit; the double-frequency inverter circuit enables the metal halide lamp to be lightened in a high-frequency and quick manner and then to keep working in a low-frequency state; and an IC6 in the single-chip microcomputer control circuit detects working states of the metal halide lamp and controls the start and stop of the whole circuit. According to the utility model, the conventional inductive ballast for the metal halide lamp is omitted, and an electronic ballast having impeccable overvoltage overcurrent protection, open circuit protection and heat lamp delay start is provided, such that an optimal current, voltage and frequency are provided to lighten the metal halide lamp, thereby effectively prolonging service life of the metal halide lamp and being notable in energy-saving effect.
Description
Technical field
The utility model relates to a kind of electric stabilizer of Metal halogen lamp.
Background technology
Metal halogen lamp is to produce the luminous discharge lamp of arc discharge in the halide mixed vapour of mercury and rare metal.Metal halogen lamp has the characteristics such as luminous efficiency height, color developing is good, the life-span is long, be a kind of energy-conservation new light sources near color of sunshine, be widely used in the room lighting in the places such as stadiums, exhibition center, megastore, industrial premises, square, street, station, harbour.Traditional Metal halogen lamp Inductive ballast has that consumption copper, consumption iron, power factor (PF) are low, the impact that is subject to mains fluctuation and do not have the strict shortcomings such as safeguard measure.
Summary of the invention
The technical problems to be solved in the utility model provides a kind of electric stabilizer of Metal halogen lamp, and Inductive ballast consumption copper, consumption iron, the power factor (PF) that can solve existing Metal halogen lamp are low, are subject to the impact of mains fluctuation and do not have the strict problems such as safeguard measure.
The utility model is achieved through the following technical solutions:
A kind of electric stabilizer of Metal halogen lamp, comprise overvoltage protection current rectifying and wave filtering circuit, passive power factor corrective circuit, low-voltage power supply circuit, pwm power control circuit, double frequency inverter circuit, starting circuit and single chip machine controlling circuit, adopt wire to be electrically connected between each circuit; The output of described overvoltage protection current rectifying and wave filtering circuit is connected with the input of passive power factor corrective circuit, the output one tunnel of passive power factor corrective circuit is connected with the input of pwm power control circuit, and another road is connected with the input of low-voltage power supply circuit; The output of described pwm power control circuit is connected with the input of double frequency inverter circuit, the output access starting circuit of double frequency inverter circuit; The output of described low-voltage power supply circuit respectively with passive power factor corrective circuit, pwm power control circuit in, the power supply pin of singlechip chip in the double frequency inverter circuit, single chip machine controlling circuit is connected; Single chip machine controlling circuit respectively with passive power factor corrective circuit, pwm power control circuit in, singlechip chip in the double frequency inverter circuit, low-voltage power supply circuit is connected.
The further improvement of the utility model scheme is, the overvoltage protection current rectifying and wave filtering circuit is comprised of overvoltage crowbar and current rectifying and wave filtering circuit, and the 220V alternating current of civil power accesses current rectifying and wave filtering circuit through overvoltage crowbar, output dc voltage.
The further improvement of the utility model scheme is, the passive power factor corrective circuit is comprised of IC1, Q5, T1, direct voltage is proofreaied and correct through the passive power factor corrective circuit and is the 380V direct voltage, and one the tunnel is sent to the pwm power control circuit, and low-voltage power supply circuit is sent on another road.
The further improvement of the utility model scheme is that the pwm power control circuit is comprised of IC2, IC3, Q6, T2, L3, C6; The 380V direct voltage is sent to Q6, and the pulse-width modulation that IC2, IC3 form is by T2 control Q6 output end current; The power output of L3 control rear class inverter circuit.
The further improvement of the utility model scheme is, low-voltage power supply circuit is comprised of IC5 and L2, and the pulse width modulated power circuit that the 380V direct voltage forms through IC5 produces the 12V D.C. regulated power supply at C8, and is connected with switching tube Q7; The 12V D.C. regulated power supply is the power supply of IC6 by IC7, and the Q7 output connects respectively the power supply pin of IC1, IC2, IC3, IC4.
The further improvement of the utility model scheme is that the double frequency inverter circuit is comprised of double-frequency oscillation circuit and bridge-type output circuit; The 380V direct voltage forms the double-frequency oscillation circuit through IC4 and Q9, C3, C30, and access Q1, Q2, Q3, Q4 form the bridge-type output circuit, access starting circuit again.
The further improvement of the utility model scheme is that starting circuit is comprised of C5, T3.
The further improvement of the utility model scheme is, single chip machine controlling circuit is comprised of IC6, and IC6 is according to the operating state that detects Metal halogen lamp, control whole circuit startup, stop.
Compared with prior art, the utlity model has following advantage:
1, cancelled traditional Metal halogen lamp Inductive ballast, a kind of electric stabilizer with perfect over-voltage over-current protection, open-circuit-protection, thermolamp delay start is provided, best electric current, voltage, Frequency point bright gold halogen lamp can be provided, effectively prolong the useful life of Metal halogen lamp;
2, improved power supply conversion efficiency, energy-saving effect is obvious.
Description of drawings
Fig. 1 is the utility model structured flowchart.
Fig. 2 is the utility model circuit diagram.
Specific embodiment
The electric stabilizer of Metal halogen lamp as shown in Figure 1, comprise overvoltage protection current rectifying and wave filtering circuit, passive power factor corrective circuit, low-voltage power supply circuit, pwm power control circuit, double frequency inverter circuit, starting circuit and single chip machine controlling circuit, adopt wire to be electrically connected between each circuit; The output of described overvoltage protection current rectifying and wave filtering circuit is connected with the input of passive power factor corrective circuit, the output one tunnel of passive power factor corrective circuit is connected with the input of pwm power control circuit, and another road is connected with the input of low-voltage power supply circuit; The output of described pwm power control circuit is connected with the input of double frequency inverter circuit, the output access starting circuit of double frequency inverter circuit; The output of described low-voltage power supply circuit respectively with passive power factor corrective circuit, pwm power control circuit in, the power supply pin of singlechip chip in the double frequency inverter circuit, single chip machine controlling circuit is connected; Single chip machine controlling circuit respectively with passive power factor corrective circuit, pwm power control circuit in, singlechip chip in the double frequency inverter circuit, low-voltage power supply circuit is connected.
As shown in Figure 2, the overvoltage protection current rectifying and wave filtering circuit is comprised of overvoltage crowbar and current rectifying and wave filtering circuit, and the 220V alternating current of civil power accesses current rectifying and wave filtering circuit through overvoltage crowbar, output dc voltage.
As shown in Figure 2, the passive power factor corrective circuit is comprised of IC1, Q5, T1, and direct voltage is proofreaied and correct through the passive power factor corrective circuit and is the 380V direct voltage, and one the tunnel is sent to the pwm power control circuit, and low-voltage power supply circuit is sent on another road.
As shown in Figure 2, the pwm power control circuit is comprised of IC2, IC3, Q6, T2, L3, C6; The 380V direct voltage is sent to Q6, and the pulse-width modulation that IC2, IC3 form is by T2 control Q6 output end current; The power output of L3 control rear class inverter circuit.
As shown in Figure 2, low-voltage power supply circuit is comprised of IC5 and L2, and the pulse width modulated power circuit that the 380V direct voltage forms through IC5 produces the 12V D.C. regulated power supply at C8, and is connected with switching tube Q7; The 12V D.C. regulated power supply is the power supply of IC6 by IC7, and the Q7 output connects respectively the power supply pin of IC1, IC2, IC3, IC4.
As shown in Figure 2, the double frequency inverter circuit is comprised of double-frequency oscillation circuit and bridge-type output circuit; The 380V direct voltage forms the double-frequency oscillation circuit through IC4 and Q9, C3, C30, and access Q1, Q2, Q3, Q4 form the bridge-type output circuit, access starting circuit again.
As shown in Figure 2, starting circuit is comprised of C5, T3.
As shown in Figure 2, single chip machine controlling circuit is comprised of IC6, and IC6 is according to detecting the operating state of Metal halogen lamp, control whole circuit startup, stop.
When Metal halogen lamp was lighted, 5 pin of single-chip microcomputer IC6 were low level, and to Q9, Q9 is in cut-off state by R40, and the frequency of oscillation of IC4 is high, and the voltage that outputs to Metal halogen lamp is higher, and moment punctures the gas in the Metal halogen lamp, and bulb is lighted fast.
After Metal halogen lamp is lighted, detect signal behind 2 pin of IC6 by R43, R37, make the 5 pin output high level of the IC6 of single-chip microcomputer, by resistance R 40 control Q9 conductings, the oscillating capacitance of 3 pin of IC4 is increased, and frequency of oscillation reduces, and allows Metal halogen lamp steady operation under low frequency.
When Metal halogen lamp or output circuit break down; the voltage signal that is detected the C6 two ends by resistance R 43, R37 is unusual; the 7 pin level of single-chip microcomputer IC6 reduce to 0; by R35 control Q8 cut-off; allow switching tube Q7 end by resistance R 40 again; IC1, IC2, IC3, IC4 are all quit work; thus other circuit and Metal halogen lamp have been played protective effect; 3 pin of IC6 are connected to thermistor RT1; when temperature raise, the level of 3 pin descended, and 7 pin level of IC6 output also can drop to 0; switching tube Q7 cut-off, thus played superheat protecting function.
When Metal halogen lamp is worked, suddenly cutting off the power supply, bulb is in the condition of high temperature, electric current is larger when restarting, the abnormal signal that detects by R43, R37 is to 2 pin of IC6, IC6 output 7 pin level are 0, turn-offed whole circuit by Q7, worked the life-span effect that prolongs Metal halogen lamp, between the Metal halogen lamp cooldown period, per 20 seconds intervals of the timer of single-chip microcomputer IC6 inside are by the 7 pin output starting impulse of IC6, start-up circuit intermittently, until the signal that 2 pin of IC6 detect normal after, 7 pin of IC6 are the high level of stable output, then makes whole circuit be in normal operating conditions.
Claims (8)
1. the electric stabilizer of a Metal halogen lamp, it is characterized in that: comprise overvoltage protection current rectifying and wave filtering circuit, passive power factor corrective circuit, low-voltage power supply circuit, pwm power control circuit, double frequency inverter circuit, starting circuit and single chip machine controlling circuit, adopt wire to be electrically connected between each circuit; The output of described overvoltage protection current rectifying and wave filtering circuit is connected with the input of passive power factor corrective circuit, the output one tunnel of passive power factor corrective circuit is connected with the input of pwm power control circuit, and another road is connected with the input of low-voltage power supply circuit; The output of described pwm power control circuit is connected with the input of double frequency inverter circuit, the output access starting circuit of double frequency inverter circuit; The output of described low-voltage power supply circuit respectively with passive power factor corrective circuit, pwm power control circuit in, the power supply pin of singlechip chip in the double frequency inverter circuit, single chip machine controlling circuit is connected; Single chip machine controlling circuit respectively with passive power factor corrective circuit, pwm power control circuit in, singlechip chip in the double frequency inverter circuit, low-voltage power supply circuit is connected.
2. the electric stabilizer of Metal halogen lamp as claimed in claim 1; it is characterized in that: described overvoltage protection current rectifying and wave filtering circuit is comprised of overvoltage crowbar and current rectifying and wave filtering circuit; the 220V alternating current of civil power accesses current rectifying and wave filtering circuit through overvoltage crowbar, output dc voltage.
3. the electric stabilizer of Metal halogen lamp as claimed in claim 1, it is characterized in that: described passive power factor corrective circuit is comprised of IC1, Q5, T1, direct voltage is proofreaied and correct through the passive power factor corrective circuit and is the 380V direct voltage, one the tunnel is sent to the pwm power control circuit, and low-voltage power supply circuit is sent on another road.
4. the electric stabilizer of Metal halogen lamp as claimed in claim 1, it is characterized in that: described pwm power control circuit is comprised of IC2, IC3, Q6, T2, L3, C6; The 380V direct voltage is sent to Q6, and the pulse-width modulation that IC2, IC3 form is by T2 control Q6 output end current; The power output of L3 control rear class inverter circuit.
5. the electric stabilizer of Metal halogen lamp as claimed in claim 1, it is characterized in that: described low-voltage power supply circuit is comprised of IC5 and L2, the pulse width modulated power circuit that the 380V direct voltage forms through IC5 produces the 12V D.C. regulated power supply at C8, and is connected with switching tube Q7; The 12V D.C. regulated power supply is the power supply of IC6 by IC7, and the Q7 output connects respectively the power supply pin of IC1, IC2, IC3, IC4.
6. the electric stabilizer of Metal halogen lamp as claimed in claim 1, it is characterized in that: described double frequency inverter circuit is comprised of double-frequency oscillation circuit and bridge-type output circuit; The 380V direct voltage forms the double-frequency oscillation circuit through IC4 and Q9, C3, C30, and access Q1, Q2, Q3, Q4 form the bridge-type output circuit, access starting circuit again.
7. the electric stabilizer of Metal halogen lamp as claimed in claim 1, it is characterized in that: described starting circuit is comprised of C5, T3.
8. the electric stabilizer of Metal halogen lamp as claimed in claim 1, it is characterized in that: described single chip machine controlling circuit is comprised of IC6, IC6 is according to the operating state that detects Metal halogen lamp, control whole circuit startup, stop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204068404U CN202738239U (en) | 2012-08-17 | 2012-08-17 | Electronic ballast for metal halide lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204068404U CN202738239U (en) | 2012-08-17 | 2012-08-17 | Electronic ballast for metal halide lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202738239U true CN202738239U (en) | 2013-02-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012204068404U Expired - Fee Related CN202738239U (en) | 2012-08-17 | 2012-08-17 | Electronic ballast for metal halide lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202738239U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104185351A (en) * | 2014-08-29 | 2014-12-03 | 韦棋 | Quick lightening control device for metal halogen lamp |
| CN105392243A (en) * | 2014-08-21 | 2016-03-09 | 罗姆股份有限公司 | Color modulation control circuit for LED lighting |
-
2012
- 2012-08-17 CN CN2012204068404U patent/CN202738239U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105392243A (en) * | 2014-08-21 | 2016-03-09 | 罗姆股份有限公司 | Color modulation control circuit for LED lighting |
| CN105392243B (en) * | 2014-08-21 | 2020-03-03 | 罗姆股份有限公司 | Color modulation control circuit for LED illumination |
| CN104185351A (en) * | 2014-08-29 | 2014-12-03 | 韦棋 | Quick lightening control device for metal halogen lamp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130213 Termination date: 20130817 |