CN209572194U - A kind of exchange stabilizer - Google Patents
A kind of exchange stabilizer Download PDFInfo
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- CN209572194U CN209572194U CN201822114300.9U CN201822114300U CN209572194U CN 209572194 U CN209572194 U CN 209572194U CN 201822114300 U CN201822114300 U CN 201822114300U CN 209572194 U CN209572194 U CN 209572194U
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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 automotive lighting field, especially a kind of exchange stabilizer, comprising: voltage up converting circuit, full bridge driving circuit, KT4003 family chip and high-voltage starting circuit, the rectifying output circuit are arranged with the first rectification output end and the second rectification output end；The full bridge driving circuit includes positive full bridge driving circuit and reverse phase full bridge driving circuit；The control chip is electrically connected with the output end of voltage up converting circuit, positive full bridge driving circuit drives positive phase control pin to be electrically connected with the full-bridge of control chip, reverse phase full bridge driving circuit is electrically connected with the full-bridge reverse phase drive control pin of control chip, the output end of voltage up converting circuit is electrically connected with the voltage input end of full bridge driving circuit, and the voltage output end of full bridge driving circuit is electrically connected with the input terminal of high-voltage starting circuit.The utility model optimizes the structure of existing stabilizer, improves ballast circuit topological structure to improve the performance of stabilizer, reduces gas generating light and occurs the situation of stability difference when being lit.
Description
Technical field
The utility model automotive lighting field, especially a kind of exchange stabilizer.
Background technique
High-intensity gas discharge lamp (HID) is widely used in automotive lighting, usually uses stabilizer because of its advantage of high brightness
Drive gas-discharge lamp, exchange stabilizer has more structurally sound performance, existing exchange stabilizer is usually by input voltage liter
By full-bridge driving structure after pressure, last transient rise to 2300V high pressure lights gas-discharge lamp, this is in the process to stabilizer
Design particularly important, but the generally existing lighting effects stability generated by stabilizer of existing gas-discharge lamp is poor, Shi You
Disadvantage is shaken, is caused visual uncomfortable.
Utility model content
The purpose of the utility model is to overcome existing gas-discharge lamps, and to generate illumination effect because of stabilizer unstable, mentions
For a kind of reliable exchange stabilizer.
The technical solution of the utility model are as follows:
A kind of exchange stabilizer, comprising: the boosting turn of high voltage direct current output is inputted and be converted to for receiving low-voltage direct
Change circuit, wherein rectifying output circuit is arranged with the first rectification output end and the second rectification output end；For driving stabilizer
Full bridge driving circuit, the full bridge driving circuit include positive full bridge driving circuit and reverse phase full bridge driving circuit；For controlling
The control chip of voltage up converting circuit and full bridge driving circuit, the control chip are KT4003 family chip；Moment improves electricity
Pressure is with the high-voltage starting circuit of bright light.
Wherein, the control chip is electrically connected with the output end of voltage up converting circuit, positive full bridge driving circuit and control
The full-bridge of chip drives positive phase control pin electrical connection, the full-bridge reverse phase drive control of reverse phase full bridge driving circuit and control chip
Pin electrical connection, the output end of voltage up converting circuit are electrically connected with the voltage input end of full bridge driving circuit, full bridge driving circuit
Voltage output end be electrically connected with the input terminal of high-voltage starting circuit.
Preferably, the voltage up converting circuit includes input filter circuit, transformer T1, rectifying output circuit and MOS
Pipe Q1；The input filter circuit is electrically connected with one end of the primary side winding of the T1 of transformer, the rectifying output circuit and change
One end of the vice-side winding of depressor T1 is electrically connected, and the grid of the metal-oxide-semiconductor Q1 is electrically connected with the current sample pin of control chip,
The grid of metal-oxide-semiconductor Q1 controls the gate driving pin of chip by connecing by diode, and the drain drives of metal-oxide-semiconductor Q1 connect transformer
The primary side winding of T1.
Further, the input filter circuit includes capacitor C1, capacitor C2, capacitor C3 and electrolytic capacitor in parallel each other
EC1；The input terminal of voltage up converting circuit is connect by input filter circuit.
Further, the rectifying output circuit is electrically connected the vice-side winding of transformer T1 by diode D6, wherein the
The first rectification output end is connected to by two rectification output ends, the second rectification output end is equipped with the diode for reinforcing direct current signal
D4 and diode D5, is connected to capacitor C9 between first rectification output end and the second rectification output end.
Further, the rectifying output circuit further include the diode D3 for pressure stabilizing, diode D7, resistance R13 and
Resistance R14, the cathode of the diode D3 are electrically connected with the cathode of diode D6, and the anode of diode D3 is connect by resistance R14
Ground, the cathode of diode D7 are sequentially connected resistance R13 and diode D6, the plus earth of diode D7.
Preferably, starting pin, voltage sense pin and the voltage sample pin of the control chip are other respectively to meet institute
The first rectification output end is stated, the connection of starting pin, voltage sense pin and voltage sample pin and the first rectification output end is logical
Road is respectively equipped with divider resistance.
Preferably, the positive full bridge driving circuit includes transistor Q2 and transistor Q3, the base stage of transistor Q2 and
The base stage of transistor Q3 drives positive phase control pin to connect with the full-bridge of control chip respectively, the reverse phase full bridge driving circuit packet
Transistor Q4 and transistor Q5 are included, the base stage of transistor Q4 and the base stage of transistor Q5 are anti-with the full-bridge driving of control chip respectively
The connection of phase control pin, the collector interconnection of transistor Q2, transistor Q3, transistor Q4 and transistor Q5.
The full bridge driving circuit be equipped with the first output end and second output terminal, full bridge driving circuit further include metal-oxide-semiconductor Q6,
Metal-oxide-semiconductor Q7, metal-oxide-semiconductor Q8 and metal-oxide-semiconductor Q9；The grid of the metal-oxide-semiconductor Q6 is electrically connected with the emitter of transistor Q2, metal-oxide-semiconductor Q6's
Source electrode is electrically connected with the collector of transistor Q2, and the drain electrode of metal-oxide-semiconductor Q6 is electrically connected with the first output end；The grid of the metal-oxide-semiconductor Q7
Pole is electrically connected with the emitter of transistor Q3, and the source electrode of metal-oxide-semiconductor Q7 is electrically connected with second output terminal, the drain electrode of metal-oxide-semiconductor Q7 and complete
The voltage input end of bridge driving circuit is electrically connected；The grid of the metal-oxide-semiconductor Q8 is electrically connected with the emitter of transistor Q4, metal-oxide-semiconductor
The source electrode of Q8 is electrically connected with the collector of transistor Q4, and the drain electrode of metal-oxide-semiconductor Q8 is electrically connected with second output terminal；The metal-oxide-semiconductor Q9
Grid be electrically connected with the emitter of transistor Q5, the source electrode of metal-oxide-semiconductor Q9 is electrically connected with the first output end, the drain electrode of metal-oxide-semiconductor Q9
It is electrically connected with the voltage input end of full bridge driving circuit.
The utility model has the beneficial effects that optimize the structure of existing stabilizer, improve ballast circuit topological structure from
And the performance of stabilizer is improved, it reduces gas generating light and occurs the situation of stability difference when being lit.
Detailed description of the invention
Fig. 1: the utility model principle schematic diagram.
Specific embodiment
To be more clear the objectives, technical solutions, and advantages of the embodiments of the present invention, below in conjunction with embodiment and
Attached drawing, the utility model will be further described.
Embodiment
A kind of exchange stabilizer, as shown in Figure 1, including following topological structure: inputting and convert for receiving low-voltage direct
For the voltage up converting circuit of high voltage direct current output, wherein rectifying output circuit is arranged with the first rectification output end and the second rectification
Output end；For driving the full bridge driving circuit of stabilizer, the full bridge driving circuit includes positive full bridge driving circuit and anti-
Phase full bridge driving circuit；For controlling the control chip of voltage up converting circuit and full bridge driving circuit, the control chip is
KT4003 family chip；Moment improves voltage with the high-voltage starting circuit of bright light.
Wherein, control chip is electrically connected with the output end of voltage up converting circuit, positive full bridge driving circuit and control chip
Full-bridge drive the electrical connection of positive phase control pin, the full-bridge reverse phase drive control pin of reverse phase full bridge driving circuit and control chip
Electrical connection, the output end of voltage up converting circuit are electrically connected with the voltage input end of full bridge driving circuit, the electricity of full bridge driving circuit
Pressure output end is electrically connected with the input terminal of high-voltage starting circuit.
Preferably, voltage up converting circuit includes input filter circuit, transformer T1, rectifying output circuit and metal-oxide-semiconductor Q1；
Input filter circuit is electrically connected with one end of the primary side winding of the T1 of transformer, the secondary side of rectifying output circuit and transformer T1 around
The grid of one end electrical connection of group, metal-oxide-semiconductor Q1 is electrically connected with the current sample pin of control chip, and the grid of metal-oxide-semiconductor Q1 passes through
The gate driving pin of control chip, the primary side winding of the drain drives connection transformer T1 of metal-oxide-semiconductor Q1 are connect by diode.
The purpose that input filter circuit is arranged is to improve whole anti-interference ability, including capacitor C1 in parallel each other, electricity
Hold C2, capacitor C3 and electrolytic capacitor EC1, the input terminal of voltage up converting circuit is connect by input filter circuit.
Rectifying output circuit is electrically connected the vice-side winding of transformer T1 by diode D6, and there are two rectifying output circuit tools
DC voltage after boosting is input in full bridge driving circuit by output end；Wherein, to be connected to first by the second rectification output end whole
Output end is flowed, the second rectification output end is equipped with diode D4 and diode D5 for reinforcing direct current signal, and the first rectification is defeated
Capacitor C9 is connected between outlet and the second rectification output end.
In order to improve the output stability of rectifying output circuit, reinforce rectification effect, rectifying output circuit further includes being used for
Diode D3, diode D7, resistance R13 and the cathode of resistance R14, the diode D3 and the cathode of diode D6 of pressure stabilizing are electric
Connection, the anode of diode D3 is grounded by resistance R14, and the cathode of diode D7 is sequentially connected resistance R13 and diode D6, and two
The plus earth of pole pipe D7.
Preferably, starting pin, voltage sense pin and the voltage sample pin of control chip are other respectively to connect described the
On the connecting path of one rectification output end, starting pin, voltage sense pin and voltage sample pin and the first rectification output end
It is respectively equipped with divider resistance.
What the utility model used has controlled built in chip KT4003 complementary driving control signal logic, can issue respectively
Positive phase control signal and inverted control signal, corresponding, the positive full bridge driving circuit for receiving positive phase control signal includes crystal
The full-bridge of the base stage of pipe Q2 and transistor Q3, transistor Q2 and the base stage of transistor Q3 respectively with control chip drives positive phase control
Pin connection, the reverse phase full bridge driving circuit for receiving inverted control signal includes transistor Q4 and transistor Q5, transistor Q4's
Base stage and the base stage of transistor Q5 are connect with the full-bridge driving reverse phase control pin of control chip respectively, transistor Q2, transistor
The collector of Q3, transistor Q4 and transistor Q5 interconnect.
Full bridge driving circuit is equipped with the first output end and second output terminal, and full bridge driving circuit further includes metal-oxide-semiconductor Q6, MOS
Pipe Q7, metal-oxide-semiconductor Q8 and metal-oxide-semiconductor Q9；The grid of the metal-oxide-semiconductor Q6 is electrically connected with the emitter of transistor Q2, the source electrode of metal-oxide-semiconductor Q6
It is electrically connected with the collector of transistor Q2, the drain electrode of metal-oxide-semiconductor Q6 is electrically connected with the first output end；The grid of the metal-oxide-semiconductor Q7 with
The emitter of transistor Q3 is electrically connected, and the source electrode of metal-oxide-semiconductor Q7 is electrically connected with second output terminal, and the drain electrode of metal-oxide-semiconductor Q7 and full-bridge drive
The voltage input end electrical connection of dynamic circuit；The grid of the metal-oxide-semiconductor Q8 is electrically connected with the emitter of transistor Q4, metal-oxide-semiconductor Q8's
Source electrode is electrically connected with the collector of transistor Q4, and the drain electrode of metal-oxide-semiconductor Q8 is electrically connected with second output terminal；The grid of the metal-oxide-semiconductor Q9
Pole is electrically connected with the emitter of transistor Q5, and the source electrode of metal-oxide-semiconductor Q9 is electrically connected with the first output end, the drain electrode of metal-oxide-semiconductor Q9 and complete
The voltage input end of bridge driving circuit is electrically connected.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, although referring to before
Embodiment is stated the utility model is described in detail, it for those skilled in the art, still can be to preceding
Technical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features.It is all this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (7)
1. a kind of exchange stabilizer characterized by comprising
The voltage up converting circuit of high voltage direct current output is inputted and is converted to for receiving low-voltage direct,
For driving the full bridge driving circuit of stabilizer, the full bridge driving circuit includes that positive full bridge driving circuit and reverse phase are complete
Bridge driving circuit；
For controlling the control chip of voltage up converting circuit and full bridge driving circuit, the control chip is KT4003 series core
Piece；
Moment improves voltage with the high-voltage starting circuit of bright light；
Wherein, the control chip is electrically connected with the output end of voltage up converting circuit, positive full bridge driving circuit and control chip
Full-bridge drive the electrical connection of positive phase control pin, the full-bridge reverse phase drive control pin of reverse phase full bridge driving circuit and control chip
Electrical connection, the output end of voltage up converting circuit are electrically connected with the voltage input end of full bridge driving circuit, the electricity of full bridge driving circuit
Pressure output end is electrically connected with the input terminal of high-voltage starting circuit.
2. a kind of exchange stabilizer according to claim 1, it is characterised in that: the voltage up converting circuit includes input filter
Wave circuit, transformer T1, rectifying output circuit and metal-oxide-semiconductor Q1；The primary side winding of the T1 of the input filter circuit and transformer
One end electrical connection, the rectifying output circuit is electrically connected with one end of the vice-side winding of transformer T1, the grid of the metal-oxide-semiconductor Q1
Pole is electrically connected with the current sample pin of control chip, and the grid of metal-oxide-semiconductor Q1 is driven by connecing the grid of control chip by diode
Dynamic pin, the primary side winding of the drain drives connection transformer T1 of metal-oxide-semiconductor Q1.
3. a kind of exchange stabilizer according to claim 2, it is characterised in that: the input filter circuit includes each other simultaneously
Capacitor C1, capacitor C2, capacitor C3 and the electrolytic capacitor EC1 of connection；The input terminal of voltage up converting circuit is connect by input filter circuit.
4. a kind of exchange stabilizer according to claim 2, it is characterised in that: the rectifying output circuit passes through diode
D6 is electrically connected the vice-side winding of transformer T1, wherein being connected to the first rectification output end by the second rectification output end, the second rectification is defeated
Outlet is equipped with diode D4 and diode D5 for reinforcing direct current signal, and first rectification output end and the second rectification are defeated
Capacitor C9 is connected between outlet.
5. a kind of exchange stabilizer according to claim 4, it is characterised in that: the rectifying output circuit further includes being used for
Diode D3, diode D7, resistance R13 and the cathode of resistance R14, the diode D3 and the cathode of diode D6 of pressure stabilizing are electric
Connection, the anode of diode D3 is grounded by resistance R14, and the cathode of diode D7 is sequentially connected resistance R13 and diode D6, and two
The plus earth of pole pipe D7.
6. a kind of exchange stabilizer according to claim 2, it is characterised in that: the rectifying output circuit is arranged with first
Rectification output end and the second rectification output end, starting pin, voltage sense pin and the voltage sample pin of the control chip
Other respectively to connect first rectification output end, starting pin, voltage sense pin and voltage sample pin and the first rectification export
Divider resistance is respectively equipped on the connecting path at end.
7. a kind of exchange stabilizer according to claim 1, it is characterised in that:
The positive full bridge driving circuit includes transistor Q2 and transistor Q3, the base stage of transistor Q2 and the base stage of transistor Q3
Positive phase control pin is driven to connect with the full-bridge of control chip respectively, the reverse phase full bridge driving circuit includes transistor Q4 and crystalline substance
The base stage of body pipe Q5, transistor Q4 and the base stage of transistor Q5 connect with the full-bridge driving reverse phase control pin of control chip respectively
It connects, the collector interconnection of transistor Q2, transistor Q3, transistor Q4 and transistor Q5；
The full bridge driving circuit is equipped with the first output end and second output terminal, and full bridge driving circuit further includes metal-oxide-semiconductor Q6, MOS
Pipe Q7, metal-oxide-semiconductor Q8 and metal-oxide-semiconductor Q9；The grid of the metal-oxide-semiconductor Q6 is electrically connected with the emitter of transistor Q2, the source electrode of metal-oxide-semiconductor Q6
It is electrically connected with the collector of transistor Q2, the drain electrode of metal-oxide-semiconductor Q6 is electrically connected with the first output end；The grid of the metal-oxide-semiconductor Q7 with
The emitter of transistor Q3 is electrically connected, and the source electrode of metal-oxide-semiconductor Q7 is electrically connected with second output terminal, and the drain electrode of metal-oxide-semiconductor Q7 and full-bridge drive
The voltage input end electrical connection of dynamic circuit；The grid of the metal-oxide-semiconductor Q8 is electrically connected with the emitter of transistor Q4, metal-oxide-semiconductor Q8's
Source electrode is electrically connected with the collector of transistor Q4, and the drain electrode of metal-oxide-semiconductor Q8 is electrically connected with second output terminal；The grid of the metal-oxide-semiconductor Q9
Pole is electrically connected with the emitter of transistor Q5, and the source electrode of metal-oxide-semiconductor Q9 is electrically connected with the first output end, the drain electrode of metal-oxide-semiconductor Q9 and complete
The voltage input end of bridge driving circuit is electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822114300.9U CN209572194U (en) | 2018-12-15 | 2018-12-15 | A kind of exchange stabilizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822114300.9U CN209572194U (en) | 2018-12-15 | 2018-12-15 | A kind of exchange stabilizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209572194U true CN209572194U (en) | 2019-11-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822114300.9U Active CN209572194U (en) | 2018-12-15 | 2018-12-15 | A kind of exchange stabilizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209572194U (en) |
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2018
- 2018-12-15 CN CN201822114300.9U patent/CN209572194U/en active Active
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