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 PDFInfo
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- 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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- 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
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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
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.
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 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207099410U true CN207099410U (en) | 2018-03-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720705580.3U Active CN207099410U (en) | 2017-06-17 | 2017-06-17 | A kind of new half-bridge drive circuit for HID lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207099410U (en) |
Cited By (1)
| 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 |
-
2017
- 2017-06-17 CN CN201720705580.3U patent/CN207099410U/en active Active
Cited By (2)
| 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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