CN207099410U - A kind of new half-bridge drive circuit for HID lamp - Google Patents

A kind of new half-bridge drive circuit for HID lamp Download PDF

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Publication number
CN207099410U
CN207099410U CN201720705580.3U CN201720705580U CN207099410U CN 207099410 U CN207099410 U CN 207099410U CN 201720705580 U CN201720705580 U CN 201720705580U CN 207099410 U CN207099410 U CN 207099410U
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resistance
diode
transformer
oxide
semiconductor
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潘玉灼
黄利彬
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Quanzhou Normal University
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Quanzhou Normal University
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps

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Abstract

The utility model is a kind of new half-bridge drive circuit for HID lamp, including metal-oxide-semiconductor Q11, resistance R21, transformer T3 and transformer T4, the drain electrode connection resistance R21 and power supply VCC of the metal-oxide-semiconductor Q11, transformer T3 secondary windings one end connection connection resistance R16, the base stage of resistance R16 other end connection diode D6 anode, resistance R17 and triode Q10, diode D6 cathode connected to the transistor Q10 emitter stage and metal-oxide-semiconductor Q11 grid, the beneficial effects of the utility model are:1st, using driving transformer, isolated half-bridge drives influence of the metal-oxide-semiconductor upper arm busbar voltage to metal-oxide-semiconductor drive circuit, improves circuit reliability.2nd, the amplitude limiter circuit of the compositions such as PNP type triode, voltage-regulator diode, switching diode is utilized, absorb high pulse voltage caused by abnormal cause, the pulse amplitude of driving output is limited the safety for ensureing metal-oxide-semiconductor and drive circuit within the specific limits, improve the reliability of circuit.

Description

A kind of new half-bridge drive circuit for HID lamp
Technical field
It the utility model is related to a kind of drive circuit, particularly a kind of new half-bridge drive circuit for HID lamp.
Background technology
Prior art is separated between driving IC output ends and power switch MOSFET pipes with a current-limiting resistance.For It is operated in severe operating mode HID (high-voltage gas discharging light) drive circuit, it is clear that be insecure.
It has the following disadvantages:1st, using driving transformer, isolated half-bridge drives metal-oxide-semiconductor upper arm busbar voltage to metal-oxide-semiconductor The influence of drive circuit, improves circuit reliability.
2nd, the amplitude limit metal-oxide-semiconductor drive circuit of the compositions such as PNP type triode, voltage-regulator diode, switching diode is utilized;Absorb Because of outdoor various abnormal high pulse voltages altogether, the pulse amplitude limitation of driving output within the specific limits, ensure MOS The safety of pipe and drive circuit, improve the reliability of circuit.
Utility model content
The purpose of this utility model is to provide a kind of new half-bridge drive circuit for HID lamp, to solve the above-mentioned back of the body The problem of being proposed in scape technology.
To achieve the above object, the utility model provides following technical scheme:
A kind of new half-bridge drive circuit for HID lamp, including metal-oxide-semiconductor Q11, resistance R21, transformer T3 and transformer T4, it is characterised in that drain electrode connection the resistance R21 and power supply VCC, transformer T3 of the metal-oxide-semiconductor Q11 secondary windings one end connect The base stage of connecting resistance R16 in succession, resistance R16 other end connection diode D6 anode, resistance R17 and triode Q10, two Pole pipe D6 cathode connected to the transistor Q10 emitter stage and metal-oxide-semiconductor Q11 grid, triode Q10 colelctor electrode connect two poles Pipe D7 anode, diode D7 negative electrode connection electric capacity C15, diode D9 anode, MOS pipes Q11 source electrode and metal-oxide-semiconductor Q12 Source electrode, resistance R17 other end connection diode D8 anode, diode D8 negative electrode connection diode D9 negative electrode, Metal-oxide-semiconductor Q12 grid connection diode D11 negative electrode, diode D10 negative electrode and triode Q5 emitter stage, diode D10 Anode connection resistance R18, resistance R19 and triode Q5 base stage, transformer T3 armature winding connection drive signal A, electricity Hinder the R18 other end connection drive signal B, triode Q5 colelctor electrode connection diode D11 anode, resistance R19 it is another End, electric capacity C14, electric capacity C6, electric capacity C16, resistance R20, electric capacity C18, high-pressure mercury lamp and firing circuit, the resistance R21 other end Resistance R22, resistance R22 other end connection electric capacity C15, resistance R23 and transformer T4 armature winding are connected, resistance R23's The other end connects resistance R24, and resistance R24 other end connection electric capacity C16 and transformer T4 secondary windings, transformer T4's is first The other end connection electric capacity C17 of level winding and the other end of high-pressure mercury lamp, the other end tie point of transformer T4 secondary windings Ignition circuit.
As further technical scheme of the present utility model:The power supply VCC is the direct current that rated voltage is 400V.
Compared with prior art, the beneficial effects of the utility model are:1st, using driving transformer, isolated half-bridge driving Influence of the MOS pipe upper arm busbar voltages to metal-oxide-semiconductor drive circuit, improves circuit reliability.
2nd, using the amplitude limiter circuit of the compositions such as PNP type triode, voltage-regulator diode, switching diode, absorb abnormal former The high pulse voltage because caused by, the pulse amplitude limitation of driving output within the specific limits, ensure metal-oxide-semiconductor and drive circuit Safety, improve the reliability of circuit.
Brief description of the drawings
Fig. 1 is circuit diagram of the present utility model.
Embodiment
The technical scheme in the embodiment of the utility model will be clearly and completely described below, it is clear that described Embodiment is only the utility model part of the embodiment, rather than whole embodiments.Based on the implementation in the utility model Example, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, is belonged to The scope of the utility model protection.
Refering to Fig. 1;In the utility model embodiment, a kind of new half-bridge drive circuit for HID lamp, including metal-oxide-semiconductor Q11, resistance R21, transformer T3 and transformer T4, the metal-oxide-semiconductor Q11 drain electrode connect resistance R21 and power supply VCC, transformer T3 the connection connection of secondary windings one end resistance R16, resistance the R16 other end connection diode D6 anode, resistance R17 and three Pole pipe Q10 base stage, diode D6 cathode connected to the transistor Q10 emitter stage and metal-oxide-semiconductor Q11 grid, triode Q10 Colelctor electrode connection diode D7 anode, diode D7 negative electrode connection electric capacity C15, diode D9 anode, metal-oxide-semiconductor Q11 Source electrode and metal-oxide-semiconductor Q12 source electrode, resistance R17 other end connection diode D8 anode, diode D8 negative electrode connection Diode D9 negative electrode, metal-oxide-semiconductor Q12 grid connect diode D11 negative electrode, diode D10 negative electrode and triode Q5 Emitter stage, diode D10 anode connection resistance R18, resistance R19 and triode Q5 base stage, transformer T3 armature winding Connect drive signal A, resistance the R18 other end connection drive signal B, triode Q5 colelctor electrode connection diode D11 sun Pole, the resistance R19 other end, electric capacity C14, electric capacity C6, electric capacity C16, resistance R20, electric capacity C18, high-pressure mercury lamp and firing circuit, The resistance R21 other end connection resistance R22, resistance R22 other end connection electric capacity C15, resistance R23 and transformer T4 primary Winding, resistance the R23 other end connection resistance R24, resistance R24 other end connection electric capacity C16 and transformer T4 it is secondary around Group, the other end connection electric capacity C17 of transformer T4 armature winding and the other end of high-pressure mercury lamp, transformer T4 it is secondary around The other end connection firing circuit of group.
Power supply VCC is the direct current that rated voltage is 400V.
Operation principle of the present utility model:Using driving isolating transformer T3, PNP type triode Q5, Q10 and its mutually powered-down The amplitude limiter circuit of road composition, for acceleration switch tube discharge, ensure that driving exports correct pulse, improve half-bridge output reliability, As shown in Figure 1.Drive signal 1 and drive signal 2 are half-bridge input signal source, and T3 has isolated the interference signal of input signal source, R16, R17 are driving current-limiting resistance, and R17, R19 are two-way clamp resistance, and D6, D7, D10 are switching diode, D8, D9, D11 For 8.2V voltage-regulator diodes.When drive signal 1 is high level, electric current is introduced through transformer, R16, turns on D6, so as to drive work( Rate switching tube Q11, too high electric current carry out clamper voltage stabilizing by R17, D8, D9, and protection Q10 will not be damaged.Drive signal 1 is low electricity Usually, Q11 ground levels current potential is pulled down by Q10, accelerates the velocity of discharge, it is ensured that when Q12 is turned on, Q11 has been switched off.Drive signal 2 The course of work is similar, is not repeated.Because crossing high pulse signal caused by abnormal cause in this circuit energy absorbing circuit, effectively MOSFET break-make is controlled, makes the stable safety of the half-bridge drive circuit power output for being operated in adverse circumstances, so that it is guaranteed that HID lamp Steady operation.

Claims (2)

1. a kind of new half-bridge drive circuit for HID lamp, including metal-oxide-semiconductor Q11, resistance R21, transformer T3 and transformer T4, it is characterised in that drain electrode connection the resistance R21 and power supply VCC, transformer T3 of the metal-oxide-semiconductor Q11 secondary windings one end connect The base stage of connecting resistance R16 in succession, resistance R16 other end connection diode D6 anode, resistance R17 and triode Q10, two poles Pipe D6 cathode connected to the transistor Q10 emitter stage and metal-oxide-semiconductor Q11 grid, triode Q10 colelctor electrode connection diode D7 Anode, diode D7 negative electrode connection electric capacity C15, diode D9 anode, metal-oxide-semiconductor Q11 source electrode and metal-oxide-semiconductor Q12 source Pole, resistance R17 other end connection diode D8 anode, diode D8 negative electrode connection diode D9 negative electrode, metal-oxide-semiconductor Q12 grid connection diode D11 negative electrode, diode D10 negative electrode and triode Q5 emitter stage, diode D10 sun Pole connection resistance R18, resistance R19 and triode Q5 base stage, transformer T3 armature winding connection drive signal A, resistance R18 The other end connection drive signal B, triode Q5 colelctor electrode connection diode D11 anode, resistance the R19 other end, electricity Hold C14, electric capacity C6, electric capacity C16, resistance R20, electric capacity C18, high-pressure mercury lamp and firing circuit, resistance R21 other end connection electricity Hinder R22, resistance R22 other end connection electric capacity C15, resistance R23 and transformer T4 armature winding, the resistance R23 other end Connect resistance R24, resistance R24 other end connection electric capacity C16 and transformer T4 secondary windings, transformer T4 armature winding The other end connection electric capacity C17 and high-pressure mercury lamp the other end, transformer T4 secondary windings the other end connection firing circuit.
A kind of 2. new half-bridge drive circuit for HID lamp according to claim 1, it is characterised in that the power supply VCC is the direct current that rated voltage is 400V.
CN201720705580.3U 2017-06-17 2017-06-17 A kind of new half-bridge drive circuit for HID lamp Active CN207099410U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720705580.3U CN207099410U (en) 2017-06-17 2017-06-17 A kind of new half-bridge drive circuit for HID lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720705580.3U CN207099410U (en) 2017-06-17 2017-06-17 A kind of new half-bridge drive circuit for HID lamp

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Publication Number Publication Date
CN207099410U true CN207099410U (en) 2018-03-13

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110138219A (en) * 2018-06-13 2019-08-16 任志广 Digital voltage regulation module applied to high voltage power supply

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110138219A (en) * 2018-06-13 2019-08-16 任志广 Digital voltage regulation module applied to high voltage power supply
CN110138219B (en) * 2018-06-13 2020-11-24 任志广 Digital voltage regulating module applied to high-voltage power supply

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