CN203214172U - High-energy solid-state discharge ignition module - Google Patents
High-energy solid-state discharge ignition module Download PDFInfo
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- CN203214172U CN203214172U CN 201320074415 CN201320074415U CN203214172U CN 203214172 U CN203214172 U CN 203214172U CN 201320074415 CN201320074415 CN 201320074415 CN 201320074415 U CN201320074415 U CN 201320074415U CN 203214172 U CN203214172 U CN 203214172U
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Abstract
The utility model discloses a high-energy solid-state discharge ignition module, wherein an inverter assembly comprises a PWM (Pulse Width Modulation) control chip U1 and an auxiliary circuit thereof, the PWM control chip U1 is electrically connected between a filter circuit and a boosting transformer, the boosting transformer is electrically connected with an energy storage capacitor assembly through a high-voltage silicon rectifier stack D1, a discharge control assembly is eclectically connected between the energy storage capacitor assembly and a high-voltage booster circuit, the high-voltage booster circuit comprises a high-frequency transformer electrically connected to a mutual inductor L1 and an oscillation capacitor C8, a direct current power supply DC is electrically connected to a filter through a power input interface for completing the filtration, is converted into a high-voltage alternating current pulse by an inverter circuit and the boosting transformer and then used for charging the energy storage capacitor assembly after being rectified by the silicon stack, and a high voltage is output to a high-voltage output interface by the discharge control circuit and the high-voltage booster circuit. According to the high-energy solid-state discharge ignition module, the problems of large energy loss, low conversion efficiency and short service life of a gas discharge tube are solved, the output energy of approximately 30 percent and the conversion efficiency are increased. The high-energy solid-state discharge ignition module has the characteristics of high efficiency, long service life and no radioactivity.
Description
Technical field
The present invention relates to a kind of ignition mechanism for aeroengine starting and running ignition engine fuel mixture.
Background technique
Ignition mechanism is the important component part of modern aeroengine, it is the crucial constituent elements that engines ground starting, flame-out in flight are restarted, superior and the stability of its function, performance directly influences complete rate and the rate of attendance of aircraft and motor, and the success rate carried out of task.The aeroengine ignition mechanism is the working method that repeats in short-term, and the power supply input is divided into direct current 28V and exchanges two kinds of 115V/400Hz.In various ignition mechanisms, the igniting type that aeroengine generally adopts at present is dc inversion formula capacitive discharge ignition device, and has accounted for more than 90%.
In the prior art, aeroengine dc inversion formula capacitive discharge ignition device generally is made up of filter part, inverter circuit, the parts that boost, rectification part, energy storage component and discharge controlling component.Its working principle is: DC electrical source is changed to high-voltage dc pulse at inverter circuit and the parts transfer of boosting after filter part filtering, be stored in after rectification in the energy storage component; When the energy in the energy storage component satisfied regulation and requires, the discharge switch device in the discharge controlling component was that conducting provides path for the energy in the energy storage component discharges, from produce can ionized air high voltage.Limited by Environmental Conditions and electronic parts and components, domestic aeroengine is limited to traditional gas discharge tube and mechanical vibrator contravariant ignition mechanism with ignition mechanism always.Big, the shortcomings such as quality heavy, electrical efficiency is low, reliability is not high, the life-span is short, radioactivity disposal inconvenience of ignition mechanism ubiquity volume that homemade aeroengine is used.
Summary of the invention
The objective of the invention is the deficiency at above-mentioned prior art existence, provide a kind of high energy solid-state discharge igniting module, to solve the above-mentioned problems in the prior art.Sort circuit form of the present invention has advantages such as conversion efficiency height, energy loss are little, spark frequency high conformity, "dead" device.
The technical solution adopted for the present invention to solve the technical problems is: the solid-state discharge igniting module of a kind of high energy, comprise, filter part, the inversion assembly, the discharge control unit, the energy-storage capacitor assembly, rectifier stack and high voltage step-up circuit, it is characterized in that, described inversion assembly is made up of the pulse width modulation (PWM) control chip U1 and the auxiliary cicuit thereof that are electrically connected between eliminator and the boosting transformer 5, boosting transformer is electrically connected the energy-storage capacitor assembly by high voltage silicon rectifier stack D1, described discharge control unit is connected electrically between energy-storage capacitor assembly and the high frequency transformer, is made up of controllable silicon and trigger circuit thereof; The high voltage step-up circuit is made up of the high frequency transformer T2 that is connected electrically in mutual inductor L1 and oscillating capacitance C8, DC electrical source DC is electrically connected wave filter 7 through power input interface and finishes filtering, be converted to the high-voltage alternating pulse by inverter circuit and boosting transformer, after the silicon stack rectification, charge to the energy-storage capacitor assembly again, by charge/discharge control circuit and high voltage step-up circuit, to high pressure output interface output HIGH voltage.
The present invention has following beneficial effect than prior art.
The present invention is owing to adopt pwm chip and auxiliary cicuit composition inverter circuit, and it is big to have solved traditional mechanical vibrator formula inverter energy loss, and conversion efficiency is low, and the life-span is short, problems such as electromagnetic compatibility difference.The charge/discharge control circuit that controllable silicon and auxiliary cicuit thereof are formed, it is big to have solved the gas discharge tube energy loss, and conversion efficiency is low, problems such as life-span weak point and later stage radioactive substance processing.The present invention has electric conversion efficient height than the prior art that adopts the mechanical vibrator inverter, and the electromagnetic compatibility good effectiveness owing to improved oscillation frequency, has reduced the volume of boosting transformer more than 30% simultaneously.
The present invention has the electrical efficiency height, reliability height, cold characteristics than the prior art that adopts the gas discharge tube circuit.The energy gas discharge tube of loss can reduce about 30%, namely improves nearly 30% output energy and conversion efficiency.
Description of drawings
Further specify the present invention below in conjunction with drawings and Examples, but therefore do not limit the present invention among the described scope of embodiments.
Fig. 1 is the structural texture perspective view of the solid-state discharge igniting module of high energy of the present invention.
Fig. 2 is the main circuit principle schematic of the solid-state discharge igniting module of high energy of the present invention.
Fig. 3 is Fig. 2 inverter circuit schematic representation.
Fig. 4 is Fig. 2 charge/discharge control circuit schematic representation.
Among the figure: 1 high pressure output interface, 2 high frequency transformers, 3 capacitor assemblies, 4 functional circuit plates, 5 boosting transformers, 6 casing assemblies, 7 wave filter, 8 power input interfaces.
Embodiment
In the embodiment that Fig. 1 describes, the solid-state discharge igniting module of high energy is mainly by the power input interface 8, the high pressure output interface 1 that are arranged on casing assembly 6 same sides, and connect firmly in casing assembly 6 housings, contain the functional circuit plate 4 of inversion assembly, rectifier stack and discharge control unit, wave filter 7, boosting transformer 5, capacitor assembly 3 and high frequency transformer 2 compositions of electric connection of power supply input interface 8.The inverter circuit that pulse width modulation (PWM) control chip and auxiliary cicuit thereof are formed is electrically connected between wave filter and the boosting transformer.The high voltage step-up circuit of being made up of controllable silicon and trigger circuit thereof and described high frequency transformer 2 is electrically connected between energy-storage capacitor assembly 3 and the high pressure output interface 1.The high voltage step-up circuit is made up of the high frequency transformer T2 that is connected electrically in mutual inductor L1 and oscillating capacitance C8.
In Fig. 2～Fig. 3, the inversion assembly is made up of the pwm chip U1 and the auxiliary cicuit thereof that are electrically connected between eliminator and the boosting transformer 5.Boosting transformer is electrically connected the energy-storage capacitor assembly by high voltage silicon rectifier stack D1.Be electrically connected with the inverter circuit that pwm chip and auxiliary cicuit thereof are formed between wave filter and boosting transformer, inverter circuit is made up of pwm chip U1 and auxiliary cicuit thereof.Auxiliary cicuit comprises, be connected in parallel on the capacitor C1 between the eliminator, capacitor C1 one end is electrically connected U1 the 7th pin, be connected in parallel on the capacitor C2 on two output pin parallel circuits of U1, with capacitor C2 parallel circuit series resistors R2, R3, be connected in parallel on the parallel circuit that voltage-stabiliser tube Z2 on resistance R 2 and resistance R 3 contacts and capacitor C3 form, by U1 the 3rd pin by capacitor C4 and series resistors R4, the parallel circuit that R5 forms, by U1 the 4th pin by capacitor C5, the parallel circuit that CT and resistance R T form, contact between capacitor C T and resistance R T U1 the 8th pin that links to each other, the shunt circuit that the common port of foregoing circuit is formed by the continuous resistance R 1 of voltage-stabiliser tube Z1 and diode D2, this shunt circuit is electrically connected U1 the 6th pin, voltage-stabiliser tube Z1 U1 the 5th pin in parallel also links to each other with metal-oxide-semiconductor Q1, and Q1 emitter junction and collector electrode are connected in resistance R 4 respectively, the contact of R5 and boosting transformer T1 are elementary.Boosting transformer is electrically connected the energy-storage capacitor assembly by high voltage silicon rectifier stack D1.
In Fig. 4, be electrically connected with the discharge control unit of being formed by controllable silicon and trigger circuit thereof between energy-storage capacitor assembly and the high frequency transformer.The discharge control unit is connected electrically between energy-storage capacitor assembly and the high frequency transformer T2, is made up of controllable silicon and auxiliary cicuit thereof.Charge/discharge control circuit comprises, be connected electrically in the resistance R 6 that high voltage silicon rectifier stack D1 circuit links to each other with the common ground end, capacitor C7, be connected electrically in the voltage-stabiliser tube Z3 between resistance R 6 and the capacitor C7 contact, be connected electrically in resistance R 7, controllable silicon Q3 on the R8 contact, controllable silicon Q3 is by the continuous thyristor TH1 of earth resistance R9 contact, the thyristor TH1 anode voltage-stabiliser tube Z3 that links to each other, the negative electrode mutual inductor L1 that links to each other, through the continuous high frequency transformer T2 of earth resistance R11, thyristor TH2 anode is connected in diode D3, between the D4, the negative electrode high voltage silicon rectifier stack D1 that links to each other, the control utmost point connects high frequency transformer T2 and resistance R 10 mutual inductor L1 taps are electrically connected oscillating capacitance C8 through mutual inductor L1 secondary electrical.
The working principle of inversion assembly of the present invention is: pwm chip U1 cooperates the elementary of boosting transformer and high voltage silicon rectifier stack D1 to constitute typical single-ended flyback inverter circuit with auxiliary cicuit, metal-oxide-semiconductor Q1.Pwm chip U1 and auxiliary cicuit produce the high frequency modulated pulse, the break-make of control metal-oxide-semiconductor Q1.When metal-oxide-semiconductor Q1 conducting, the boosting transformer primary air is in the linear increase of input voltage and input current; When metal-oxide-semiconductor Q1 turn-offed, electric current was transferred to secondary winding by mutual inductance in the boosting transformer primary air, and D1 charges to energy-storage capacitor by high voltage silicon rectifier stack, and wherein oscillation frequency is determined by oscillating capacitance CT and oscillation resistance RT.
When the energy-storage capacitor assembly C7 voltage on the accumulator reached specified value, divider resistance R6 and voltage of R7 output were to bidirectional triode thyristor Q3 anode, and conducting controllable silicon Q3 for thyristor TH1 provides a door collection trigger signal, makes thyristor TH1 conducting.Thyristor TH1 conducting electric current is through mutual inductor L1 one side, produce a trigger voltage signal in the mutual inductance of mutual inductor L1 opposite side, trigger thyristor TH2 conducting, with the electric energy that stores among the energy-storage capacitor assembly C7, be sent to high frequency transformer T2 by thyristor TH2, the process high frequency transformer is booster tension again, finishes the function of ignition mechanism output HIGH voltage, big electric current.
Claims (7)
1. solid-state discharge igniting module of high energy, comprise, filter part, inversion assembly, discharge control unit, energy-storage capacitor assembly, rectifier stack and high voltage step-up circuit, it is characterized in that, described inversion assembly is made up of the pulse width modulation (PWM) control chip U1 and the auxiliary cicuit thereof that are electrically connected between eliminator and the boosting transformer (5), and boosting transformer is electrically connected the energy-storage capacitor assembly by high voltage silicon rectifier stack D1; Described discharge control unit is connected electrically between energy-storage capacitor assembly and the high frequency transformer, formed by controllable silicon and trigger circuit thereof, the high voltage step-up circuit is made up of the high frequency transformer T2 that is connected electrically in mutual inductor L1 and oscillating capacitance C8, circuit dc power DC is electrically connected wave filter (7) through power input interface and finishes filtering, be converted to the high-voltage alternating pulse by inverter circuit and boosting transformer, after the silicon stack rectification, charge to the energy-storage capacitor assembly again, by charge/discharge control circuit and high voltage step-up circuit, to high pressure output interface output HIGH voltage.
2. the solid-state discharge igniting module of high energy according to claim 1, it is characterized in that, the solid-state discharge igniting module of described high energy is mainly by the power input interface (8), the high pressure output interface (1) that are arranged on casing assembly (6) same side, and connect firmly in casing assembly (6) housing, contain the functional circuit plate (4) of inversion assembly, rectifier stack and discharge control unit, wave filter (7), boosting transformer (5), capacitor assembly (3) and high frequency transformer (2) composition of electric connection of power supply input interface (8).
3. the solid-state discharge igniting module of high energy according to claim 1 is characterized in that, the inverter circuit that pulse width modulation (PWM) control chip and auxiliary cicuit thereof are formed is electrically connected between wave filter and the boosting transformer.
4. the solid-state discharge igniting module of high energy according to claim 1, it is characterized in that the high voltage step-up circuit of being made up of controllable silicon and trigger circuit thereof and described high frequency transformer (2) and oscillating capacitance C8 is electrically connected between energy-storage capacitor assembly (3) and the high pressure output interface (1).
5. the solid-state discharge igniting module of high energy according to claim 1 is characterized in that, the discharge control unit is connected electrically between energy-storage capacitor assembly and the high frequency transformer T2, is made up of controllable silicon and auxiliary cicuit thereof.
6. the solid-state discharge igniting module of high energy according to claim 1, it is characterized in that, charge/discharge control circuit comprises, be connected electrically in high voltage silicon rectifier stack D1 circuit and common ground end continuous resistance R 6, capacitor C7, be connected electrically in the voltage-stabiliser tube Z3 between resistance R 6 and the capacitor C7 contact, be connected electrically in the controllable silicon Q3 on resistance R 7, the R8 contact.
7. the solid-state discharge igniting module of high energy according to claim 6, it is characterized in that, controllable silicon Q3 is by the continuous thyristor TH1 of earth resistance R9 contact, the thyristor TH1 anode voltage-stabiliser tube Z3 that links to each other, the negative electrode mutual inductor L1 that links to each other, through the continuous high frequency transformer T2 of earth resistance R11, thyristor TH2 anode is connected between diode D3, the D4, the negative electrode high voltage silicon rectifier stack D1 that links to each other, the control utmost point connects high frequency transformer T2 and resistance R 10 mutual inductor L1 taps are electrically connected oscillating capacitance C8 through mutual inductor L1 secondary electrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320074415 CN203214172U (en) | 2013-02-18 | 2013-02-18 | High-energy solid-state discharge ignition module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320074415 CN203214172U (en) | 2013-02-18 | 2013-02-18 | High-energy solid-state discharge ignition module |
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| Publication Number | Publication Date |
|---|---|
| CN203214172U true CN203214172U (en) | 2013-09-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320074415 Withdrawn - After Issue CN203214172U (en) | 2013-02-18 | 2013-02-18 | High-energy solid-state discharge ignition module |
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| CN (1) | CN203214172U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103104347A (en) * | 2013-02-18 | 2013-05-15 | 成都泛华航空仪表电器有限公司 | High energy solid state discharge igniting module |
| CN105201657A (en) * | 2015-09-06 | 2015-12-30 | 北京大学 | Low-temperature-plasma ignition power supply and ignition system |
-
2013
- 2013-02-18 CN CN 201320074415 patent/CN203214172U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103104347A (en) * | 2013-02-18 | 2013-05-15 | 成都泛华航空仪表电器有限公司 | High energy solid state discharge igniting module |
| CN103104347B (en) * | 2013-02-18 | 2014-12-03 | 成都泛华航空仪表电器有限公司 | High energy solid state discharge igniting module |
| CN105201657A (en) * | 2015-09-06 | 2015-12-30 | 北京大学 | Low-temperature-plasma ignition power supply and ignition system |
| CN105201657B (en) * | 2015-09-06 | 2017-09-29 | 北京大学 | A kind of low temperature plasma priming supply and ignition system |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130925 Effective date of abandoning: 20141203 |
|
| RGAV | Abandon patent right to avoid regrant |