CN2282288Y - High frequency switch power supply for high brightness metal halide lamp - Google Patents
High frequency switch power supply for high brightness metal halide lamp Download PDFInfo
- Publication number
- CN2282288Y CN2282288Y CN 96247965 CN96247965U CN2282288Y CN 2282288 Y CN2282288 Y CN 2282288Y CN 96247965 CN96247965 CN 96247965 CN 96247965 U CN96247965 U CN 96247965U CN 2282288 Y CN2282288 Y CN 2282288Y
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- electrically connected
- igbt
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- circuit
- high frequency
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- Expired - Fee Related
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- 229910001507 metal halide Inorganic materials 0.000 title claims description 20
- 150000005309 metal halides Chemical class 0.000 title claims description 20
- 238000012937 correction Methods 0.000 claims abstract description 27
- 238000009423 ventilation Methods 0.000 claims abstract description 6
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 10
- 230000015572 biosynthetic process Effects 0.000 claims description 8
- 230000005669 field effect Effects 0.000 claims description 8
- 239000003990 capacitor Substances 0.000 claims description 6
- 230000010354 integration Effects 0.000 claims description 4
- 208000018208 Hyperimmunoglobulinemia D with periodic fever Diseases 0.000 claims description 3
- 206010072219 Mevalonic aciduria Diseases 0.000 claims description 3
- DTXLBRAVKYTGFE-UHFFFAOYSA-J tetrasodium;2-(1,2-dicarboxylatoethylamino)-3-hydroxybutanedioate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]C(=O)C(O)C(C([O-])=O)NC(C([O-])=O)CC([O-])=O DTXLBRAVKYTGFE-UHFFFAOYSA-J 0.000 claims description 3
- 239000003112 inhibitor Substances 0.000 claims description 2
- 239000004065 semiconductor Substances 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims 1
- 230000005855 radiation Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- -1 ferrous metals Chemical class 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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- Circuit Arrangements For Discharge Lamps (AREA)
Abstract
The utility model relates to a high frequency switch power supply which is formed by the connection of a ventilation radiation air duct, a casing, a circuit board, an input terminal, an output terminal, a heat sink, etc., wherein, the air channel is arranged on the rear cover plate of the casing, the circuit board is connected with the casing through a connection socket, the circuit is formed by the mutual electric connection of a filter, a rectification circuit, a power factor correction voltage boosting controller, a current detector for a high frequency constant current converter, a high frequency PWM controller, a driver, an oscillator, a full bridge inverter circuit, a trigger, etc. through corresponding various signal levels. The utility model has the advantages of good constant current characteristic, high efficiency, energy saving, good waveform of output current, small size, and light weight.
Description
The high frequency switch power that the high brightness metal halide lamp is used belongs to power supply manufacturing technology field, particularly the power technology of gaseous discharge lamp.
The high brightness metal halide lamp is the novel energy-conserving light source of a kind of long-life, high brightness, and it is an electric light source advanced in the world today, is obtaining extensive use aspect road lighting, floodlighting, industrial lighting and the video display illumination.Yet, with the matching used power supply of metal halide lamp but be inductance type ballast, it exists, and power factor is low, output current contains a large amount of third-harmonic components, particularly when voltage ripple of power network, luminous flux changes thereupon, make lamplight brightness flicker occur, the power output of lamp obviously fluctuates with line voltage, inductance type ballast does not possess the characteristic of constant current, permanent power, especially when line voltage is too high, inductance type ballast can produce saturated, and output current is a peaked wave, makes the lost of life of high brightness metal halide lamp.
The purpose of this utility model is exactly existingly to exist power factor low with the matching used inductance type ballast of high brightness metal halide lamp in order to overcome and to solve, output current contains a large amount of third-harmonic components, do not possess constant current, permanent electrical power characteristic, especially when line voltage is too high, inductance type ballast can produce saturated, output current is a peaked wave, can make the shortcoming and the problem of high brightness metal halide lamp lost of life etc., a kind of power factor height of research and design, energy-efficient, small-sized light weight, has constant current, constant output characteristic, can improve output current wave, effectively overcome electric network source fluctuation and cause metal halide lamp brightness flicker and shorten the high frequency switch power that the high brightness metal halide lamp of shortcoming such as lamp life-span and problem is used.
The utility model is realized by following technical proposals: the contour structures schematic diagram of this high frequency switch power as shown in Figure 1, it is by ventilation and heat air channel 1, metal shell 2, circuit board 3, input terminal 4, lead-out terminal 5, radiator 6 connects and composes jointly, its relative position and annexation are: circuit board 3 is electrically connected with metal shell 2 mutually by plug and the combination hub that is loaded on the metal shell inwall, ventilation and heat air channel 1 is arranged on the back shroud of metal shell, input, lead-out terminal 4,5 devices are in the both sides of circuit board one end, radiator 6 is installed on the circuit board bottom, and the power semiconductor of power supply is loaded on the radiator 6; The circuit frame principle figure of this high frequency switch power as shown in Figure 2, it is by low pass filter, bridge rectifier, power factor correction boost circuit, power factor correction controller, the high frequency constant-current converter, current detector, high-frequency impulse width modulated (PWM) controller, power field effect transistor (MOSFET) drive circuit, igbt (IGBT) full bridge inverter, igbt (IGBT) driver, low-frequency oscillator, trigger connects and composes jointly, its interconnected relationship is: low pass filter is electrically connected with bridge rectifier mutually by the low-pass filter signal line, bridge rectifier by the direct current signal line respectively with power factor correction boost circuit, power factor correction controller is electrically connected mutually, power factor correction controller is electrically connected mutually by Power Factor Correction Control holding wire and power factor correction boost circuit, power factor correction boost circuit is electrically connected with the high frequency constant-current converter mutually by the power factor correcting step-up holding wire, the high frequency constant-current converter by high frequency constant current figure signal line respectively with the igbt full bridge inverter, electric current is picked up the survey device and is electrically connected mutually, electric current pick up survey device by electric current pick up survey holding wire respectively with the power field effect transistor drive circuit, the high-frequency impulse width modulation controller, the igbt driver is electrically connected mutually, the high-frequency impulse width modulation controller is electrically connected with the power field effect transistor drive circuit mutually by high-frequency impulse width modulated control signal output line, the power field effect transistor drive circuit is electrically connected with the high frequency constant-current converter mutually by many drive signal lines, low-frequency oscillator is electrically connected with the igbt driver mutually by the oscillator signal line, the igbt driver is electrically connected with the igbt full bridge inverter mutually by many drive signal lines, the igbt full bridge inverter is electrically connected with trigger mutually by the inverter signal line, and trigger is electrically connected with the high brightness metal halide lamp mutually by line trigger signal; Or for reducing cost, save power factor correction boost circuit and power factor correction controller circuit in the composition of circuit square frame, bridge rectifier directly is electrically connected with the high frequency constant-current converter mutually by the direct current signal line, the interconnected relationship of other circuit square frame and above-mentioned annexation are just the same, and the high frequency switch power of Gou Chenging still can satisfy the instructions for use of high brightness metal halide lamp like this.Its operation principle is: adopt the low pass filter filters out high-frequency interferencing signal; by bridge rectifier AC network 220V is rectified into dc signal again; power factor correction boost circuit that the fet power transistor constitutes and power factor correction controller are realized Power Factor Correction Control; the guaranteed output factor approaches 1; the fet power transistor is realized high frequency constant current conversion; the IGBT full bridge inverter is reverse into low-frequency square-wave constant alternating current with the Constant Direct Current electric current; utilizing electric current to pick up and survey device feedback composition---integration (PI) adjuster triggers the operate as normal that realizes the high brightness metal halide lamp to realize high-frequency impulse width modulated current regulation control and load overcurrent protection by trigger.Its key technology is that high frequency switch power adopts the high frequency transistor switching device to realize the constant-current characteristics of output current, utilize close-loop feedback control, high frequency PWM technique to realize that the adjusting of pulse duration is to realize the constant of output current, then the Constant Direct Current electric current is implemented low frequency transform to reach ac square wave constant current output, to satisfy the optimum current requirement of metal halide lamp.The circuit theory diagrams of this high frequency switch power as shown in Figure 3, wherein: low pass filter is by inductance L
1, L
2, capacitor C
1, C
2And the formation that is connected in series, bridge rectifier is by diode D
3～D
6And series bridge connects and composes, and power factor correction boost circuit and power factor correction controller are by resistance R
4～R
8, relay J, mosfet transistor Q
1, integrated circuit (IC)
1, inductance L
3, capacitor C
3, diode D
7Connection in series-parallel connects and composes, and the high frequency constant-current converter is by mosfet transistor Q2, inductance L 4, diode D8, high-frequency PWM controller IC IC
2, driver IC IC
3, capacitor C
4, resistance R
9And the formation that is connected in series, low frequency constant current full bridge inverter is by igbt Q
3～Q
6, diode D
9～D
12Connection in series-parallel connects and composes, and low-frequency oscillator and frequency divider are by integration member IC
9, IC
7The formation that is connected in series, the IGBT driver is by driver integration member IC
5, IC
6The formation that is connected in parallel electric current is picked up and is surveyed device by resistance R
10～R
13, integrated circuit (IC)
4Connection in series-parallel connects and composes, IC
8Be overcurrent protection integrated circuit, inductance L
5, L
6Constitute the output noise inhibitor, HIDS is the gaseous discharge lamp trigger.
The utility model is compared with existing inductance type ballast following advantage and beneficial effect: (1) because the utility model adopts MOSFET and IGBT power transistor to realize that HF switch conversion and low frequency switch inversion and current closed-loop PWM control technology realize constant current control, so the constant current of this Switching Power Supply, constant output characteristic are good; (2) because the utility model adopts the power factor correcting step-up control technology, so this switch power supply power factor height, efficient height, energy-saving effect are remarkable; (3) this electric power outputting current waveform is good, can effectively overcome the electric network source fluctuation and cause metal halide lamp brightness flicker, improves the useful life of metal halide lamp; (4) this high frequency switch power volume little, in light weight, can save a large amount of non-ferrous metals.
Below Figure of description is further specified as follows: the contour structures schematic diagram of the high frequency switch power that Fig. 1 uses for this high brightness metal halide; Fig. 2 is the circuit frame principle figure of this high frequency switch power; Fig. 3 is the circuit theory diagrams of this high frequency switch power.Among the figure: 1 is the ventilation and heat air channel, and Fig. 2 is a metal shell, and Fig. 3 is a printed circuit board (PCB), and 4 for exchanging the incoming line terminal, and 5 is this power supply output line terminal, and 6 is radiator, and HIDS is the gaseous discharge lamp trigger.
Execution mode of the present utility model is as follows: (1) by shown in Figure 3, draw PCB is also screened components and parts, installs then and simple debugging.Wherein: IC
1Optional KA7524, IC
2Optional UC3846N, IC
3, IC
5, IC
6Optional IR2110, IC
4Optional P-07, IC
7Optional CD4027, IC
8Optional LM311NIC
9Optional NE555, Q
1, Q
2Optional IRFP460, Q
3～Q
6Optional GT50J101; (2) utilize general machine-tooled method, add the cost outer casing of power supply and choose suitable radiator with aluminium sheet, for example outer cover height can be 70mm, and width is 170mm, and length can be 230mm; (3) install and be electrically connected by Figure 1 and Figure 2, and by the annexation of top specification, just can realize the utility model preferably.
Claims (2)
1, the high frequency switch power that a kind of high brightness metal halide lamp is used, it is characterized in that: it is by ventilation and heat air channel (1), metal shell (2), circuit board (3), input terminal (4), lead-out terminal (5), radiator (6) connects and composes jointly, its relative position and annexation are: circuit board (3) is electrically connected with metal shell (2) mutually by plug and the combination hub that is loaded on the metal shell inwall, ventilation and heat air channel (1) is arranged on the back shroud of metal shell, input, lead-out terminal (4), (5) device is in the both sides of circuit board one end, radiator (6) is installed on the circuit board bottom, and the power semiconductor of power supply is loaded on the radiator (6); Wherein its circuit is by low pass filter, bridge rectifier, power factor correction boost circuit, power factor correction controller, the high frequency constant-current converter, current detector, high-frequency impulse width modulated (PWM) controller, power field effect transistor (MOSFET) drive circuit, igbt (IGBT) full bridge inverter, igbt (IGBT) driver, low-frequency oscillator, trigger connects and composes jointly, its interconnected relationship is: low pass filter is electrically connected with bridge rectifier mutually by the low-pass filter signal line, bridge rectifier by the direct current signal line respectively with power factor correction boost circuit, power factor correction controller is electrically connected mutually, power factor correction controller is electrically connected with power factor correction boost circuit mutually by the Power Factor Correction Control holding wire, power factor correction boost circuit is electrically connected with the high frequency constant-current converter mutually by the power factor correcting step-up holding wire, the high frequency constant-current converter by high frequency constant current figure signal line respectively with the igbt full bridge inverter, current detector is electrically connected mutually, current detector by the current detection signal line respectively with power field effect transistor (MOSFET) drive circuit, the high-frequency impulse width modulation controller, igbt (IGBT) driver is electrically connected mutually, the high-frequency impulse width modulation controller is electrically connected with the power field effect transistor drive circuit mutually by high-frequency impulse width modulated control signal output line, the power field effect transistor drive circuit is electrically connected with the high frequency constant-current converter mutually by drive signal line, low-frequency oscillator is electrically connected with the igbt driver mutually by the oscillator signal line, the igbt driver is electrically connected with (IGBT) full bridge inverter mutually by many drive signal lines, the igbt full bridge inverter is electrically connected with trigger mutually by the inverter signal line, and trigger is electrically connected with the high brightness metal halide lamp mutually by line trigger signal; Or save power factor correction boost circuit and power factor correction controller circuit in the composition of circuit square frame, bridge rectifier directly is electrically connected with the high frequency constant-current converter mutually by the direct current signal line.
2, the high frequency electric source switch of using by the described high brightness metal halide lamp of claim 1 is characterized in that described low pass filter is by inductance L
1, L
2, capacitor C
1, C
2And the formation that is connected in series, bridge rectifier is by diode D
3～D
6And the series connection formation, power factor correction boost circuit and rate factor correcting controller are by resistance R
4～R
8, relay J, mosfet transistor Q
1, integrated circuit (IC)
1, inductance L
3, capacitor C
3, diode D
7Connection in series-parallel connects and composes, and the high frequency constant-current converter is by mosfet transistor Q
2, inductance L
4, diode D
8, high-frequency PWM controller IC IC
2, driver IC IC
3, capacitor C
4, resistance R
9And connect and compose, low frequency constant current igbt full bridge inverter is by igbt Q
3～Q
6, diode D
9～D
12Connection in series-parallel connects and composes, and low-frequency oscillator and frequency divider are by integration member IC
9, IC
7The formation that is connected in series, the IGBT driver is by collection driver integration member IC
5, IC
6The formation that is connected in parallel electric current is picked up and is surveyed device by resistance R
10～R
13, integrated circuit (IC)
4Connection in series-parallel connects and composes, IC
8Be overcurrent protection integrated circuit, inductance L
5, L
6Constitute the output noise inhibitor, HIDS is the gaseous discharge lamp trigger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96247965 CN2282288Y (en) | 1996-12-11 | 1996-12-11 | High frequency switch power supply for high brightness metal halide lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96247965 CN2282288Y (en) | 1996-12-11 | 1996-12-11 | High frequency switch power supply for high brightness metal halide lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2282288Y true CN2282288Y (en) | 1998-05-20 |
Family
ID=33919943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96247965 Expired - Fee Related CN2282288Y (en) | 1996-12-11 | 1996-12-11 | High frequency switch power supply for high brightness metal halide lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2282288Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005057767A1 (en) * | 2003-12-15 | 2005-06-23 | System General Corp. | An apparatus for reducing the power consumption of a pfc-pwm power converter |
-
1996
- 1996-12-11 CN CN 96247965 patent/CN2282288Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005057767A1 (en) * | 2003-12-15 | 2005-06-23 | System General Corp. | An apparatus for reducing the power consumption of a pfc-pwm power converter |
| CN1890865B (en) * | 2003-12-15 | 2010-05-05 | 崇贸科技股份有限公司 | Device for reducing power consumption of power converter with PFC controller and PWM controller |
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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 |