CN107947762A - A kind of direct current transistor-type ignition device temperature-compensation circuit - Google Patents
A kind of direct current transistor-type ignition device temperature-compensation circuit Download PDFInfo
- Publication number
- CN107947762A CN107947762A CN201711095692.2A CN201711095692A CN107947762A CN 107947762 A CN107947762 A CN 107947762A CN 201711095692 A CN201711095692 A CN 201711095692A CN 107947762 A CN107947762 A CN 107947762A
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- Prior art keywords
- circuit
- resistance
- transistor
- high voltage
- ignition device
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Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/01—Details
- H03K3/011—Modifications of generator to compensate for variations in physical values, e.g. voltage, temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
- F02P3/00—Other installations
- F02P3/06—Other installations having capacitive energy storage
- F02P3/08—Layout of circuits
- F02P3/09—Layout of circuits for control of the charging current in the capacitor
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
- H03K3/53—Generators characterised by the type of circuit or by the means used for producing pulses by the use of an energy-accumulating element discharged through the load by a switching device controlled by an external signal and not incorporating positive feedback
- H03K3/57—Generators characterised by the type of circuit or by the means used for producing pulses by the use of an energy-accumulating element discharged through the load by a switching device controlled by an external signal and not incorporating positive feedback the switching device being a semiconductor device
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
Abstract
A kind of direct current transistor-type ignition device temperature-compensation circuit of the present invention belongs to aero-engine ignition field.The present invention provides a kind of direct current transistor-type ignition device temperature-compensation circuit, which constitutes feedback control circuit using a voltage-reference, a triode, four resistance.What the circuit was selected is all common component, and circuit structure is simple, it is easy to accomplish, the output spark frequency for solving the problems, such as transistor-type ignition device it is influenced by ambient temperature and there are larger fluctuation, make engine more reliable in different temperatures environment down-firing.
Description
Technical field
A kind of direct current transistor-type ignition device temperature-compensation circuit of the present invention belongs to aero-engine ignition field.
Background technology
Oscillation switch transistor V1 vibrates week each time in existing direct current transistor-type ignition device power converting circuit
In phase, the magnetic field energy that is stored in all once transformer T1(in formula：LpFor the primary coil of transformer T1
Inductance value, IpTo flow through the peak point current in transformer T1 primary coil N1 windings) charge to energy-storage capacitor C2.Due to crystal
PN junction temperature characterisitic of pipe V1 itself exists, and makes the amplification factor h of triodeFEIncrease with the rise of environment temperature, so Ip
Raise and increase with temperature, the energy being delivered to when causing the environment temperature to raise in each cycle of oscillation in rear class storage capacitor C2
AmountIncrease, accelerates the storage speed of product capacitance, capacitor voltage at both ends reach discharge tube unlatching when
Between shorten, discharge tube is opened the cycle and is reduced, therefore causes the output spark frequency of igniter to raise and increase with temperature.
The content of the invention
The purpose of the present invention：It is proposed a kind of method of direct current transistor-type ignition device temperature-compensation circuit, pass through introducing
Feedback control circuit, controls the electric energy being delivered in oscillatory process each time in capacitance C2 constant, reaches control at different temperatures
The purpose of output of products spark frequency processed.
Due to transistor, oscillatory process power inverse transformation circuit is delivered to existing direct current transistor-type ignition device each time
The energy value of rear classChange with variation of ambient temperature, it is unstable to influence the output spark frequency of igniter,
Reliability of lighting a fire is low.
To solve the problems, such as this, temperature compensation control circuit is added on the basis of original transistor type self-excitation circuit of reversed excitation,
The temperature compensation control circuit is made of a voltage-reference, a triode, four resistance.The resistance major function is control
Circuit processed is delivered to the energy value of rear class in transistor oscillatory process power inverse transformation circuit each timeNot with environment
Temperature change and change, achieve the purpose that control output of products spark frequency.
Technical scheme：A kind of direct current transistor-type ignition device temperature-compensation circuit, is to existing transistor
Formula igniter circuit is improved, and existing transistor-type ignition device circuit includes power inverse transformation circuit 1, rectification energy storage electricity
Road 2, high voltage discharge circuit 3, output protection circuit 4；Power inverse transformation circuit 1 is by transistor type self-excitation circuit of reversed excitation by power input
DC voltage be changed into high voltage electric energy；The high voltage electric energy that energy storage rectifier circuit 2 produces power inverse transformation circuit is rectified backward
Energy-storage capacitor charges；High voltage discharge circuit 3, when the voltage at energy-storage capacitor both ends reaches the breakdown voltage of discharge tube, puts
Fulgurite breakdown conducting, high voltage electric energy abrupt release is exported；Output protection circuit 4, by high-power wire-wound resistor to high pressure
The high voltage electric energy of discharge circuit output is protected, and prevents the high voltage electric energy that igniter exports during miscellaneous part failure not release
Put and cause interiors of products device to occur burning phenomenon because of high voltage short circuit；It is characterized in that, the direct current transistor-type ignition device
Temperature-compensation circuit adds feedback control temperature-compensation circuit to ensure the defeated of product in transistor type self-excitation circuit of reversed excitation
Go out spark frequency not change because of the change of environment temperature, the feedback control temperature-compensation circuit include one R5 of resistance,
Two R6 of resistance, three R7 of resistance, four R4 of resistance, voltage-reference V3, triode V2；After one R5 of resistance contacts with two R6 phases of resistance,
It is connected again with three R7 phases of resistance and company, one end of four R4 of resistance, the anode of voltage-reference V3, the B levels of triode V2, triode
The other end of four R4 of E levels and resistance of V2 and the B levels of switching transistor connect, and feedback control temperature-compensation circuit is connected on switch
Between transistor and power supply negative terminal.
Advantages of the present invention：The stability of the main output spark frequency for improving transistor-type ignition device of the invention, is
The transistor-type ignition device that engine provides high reliability, output performance is stablized, improves engine under different temperatures environment
Ignition success rate.
Brief description of the drawings
Fig. 1 direct current transistor-type ignition device temperature-compensation circuit schematic diagrams
Embodiment
A kind of direct current transistor-type ignition device temperature-compensation circuit, is that existing transistor-type ignition device circuit is carried out
Improve, existing transistor-type ignition device circuit include power inverse transformation circuit 1, energy storage rectifier circuit 2, high voltage discharge circuit 3,
Output protection circuit 4；The DC voltage of power input is changed into height by power inverse transformation circuit 1 by transistor type self-excitation circuit of reversed excitation
Piezoelectricity energy；The rectified backward energy-storage capacitor charging of high voltage electric energy that energy storage rectifier circuit 2 produces power inverse transformation circuit；High pressure
Discharge circuit 3, when the voltage at energy-storage capacitor both ends reaches the breakdown voltage of discharge tube, discharge tube breakdown conducting, by high pressure
Electric energy abrupt release exports；Output protection circuit 4, the high-voltage electricity exported by high-power wire-wound resistor to high voltage discharge circuit
Can be protected, prevent high voltage electric energy that igniter during miscellaneous part failure exports can not discharge cause interiors of products device because
High voltage short circuit occurs burning phenomenon；It is characterized in that, the direct current transistor-type ignition device temperature-compensation circuit is in transistor
Feedback control temperature-compensation circuit is added in formula self-excitation circuit of reversed excitation to ensure the output spark frequency of product not because of environment temperature
The change of degree and change, the feedback control temperature-compensation circuit include one R5 of resistance, two R6 of resistance, three R7 of resistance, electricity
Hinder four R4, voltage-reference V3, triode V2；After one R5 of resistance contacts with two R6 phases of resistance, one R5 of resistance and two R6 of resistance is again
With three R7 phases of resistance and company, one end of four R4 of resistance, the anode of voltage-reference V3, the B levels of triode V2 are connected, triode V2
The other end of four R4 of E levels and resistance and the B levels of switching transistor connect, it is brilliant that feedback control temperature-compensation circuit is connected on switch
Between body pipe and power supply negative terminal.
The present invention is described in more detail below in conjunction with the accompanying drawings.
A kind of direct current transistor-type ignition device temperature-compensation circuit, mainly includes power inverse transformation circuit 1, rectification energy storage electricity
Road 2, high voltage discharge circuit 3, output protection circuit 4.
The DC voltage of power input is changed into high-voltage electricity by power inverse transformation circuit 1 by transistor type self-excitation circuit of reversed excitation
Can, because transistor-type ignition device have it is simple in structure, circuit stability is reliable, small, light-weight, and processing and debugging is simple and convenient
The advantages that, it is widely used in system of the output power no more than 80W.The size of resistance R5, R6 and R7 are set, product is existed
During minimum temperature point, voltage-reference V3 is off the critical condition with conducting.When environment rises, the amplification of switching tube V1
Multiple hFEIncrease, causes emitter current Ic to increase, and the increase of Ic will cause voltage-reference V3 to turn on, and causes after V3 conductings
Triode V2 is turned on, and V2 conductings reduce the base current Ib for causing switching transistor V1, and transistor V1 base currents Ib's subtracts
It is small to suppress due to amplification factor hFEEmitter current Ic caused by increase increases, and it is constant to reach control emitter current Ic
Purpose, therefore, reaches and temperature-compensating is carried out to product, controllable output of products spark frequency remains unchanged at different temperatures.
The rectified backward energy-storage capacitor charging of high voltage electric energy that energy storage rectifier circuit 2 produces power inverse transformation circuit；
High voltage discharge circuit 3, when the voltage at energy-storage capacitor both ends reaches the breakdown voltage of discharge tube, discharge tube breakdown
Conducting, high voltage electric energy abrupt release is exported；
Output protection circuit 4, the high voltage electric energy mainly exported by high-power wire-wound resistor to high voltage discharge circuit
Protected, prevent the high voltage electric energy of igniter output during miscellaneous part failure can not discharge from causing interiors of products device because of height
Pressure short circuit occurs burning phenomenon.
Embodiment
With a certain product (DHZ-115) for embodiment, DHZ-115 igniters are designed according to the present invention.
1) assembling of each component is carried out by attached drawing.
2) resistance value R7 during output spark frequency index is met when selecting -55 DEG C of product minimum temperature.
3) R5 is finely tuned when assembling, the output spark frequency index of product during room temperature is met technical protocol setting；4) it is real
Shi Jie
Fruit see the table below.
Spark frequency test data is exported under 1 igniter high and low temperature environment of table
Claims (1)
1. a kind of direct current transistor-type ignition device temperature-compensation circuit, is that existing transistor-type ignition device circuit is changed
Into existing transistor-type ignition device circuit includes power inverse transformation circuit (1), energy storage rectifier circuit (2), high voltage discharge circuit
(3), output protection circuit (4)；Power inverse transformation circuit (1) is by transistor type self-excitation circuit of reversed excitation by the DC voltage of power input
It is changed into high voltage electric energy；The rectified backward storage capacitor of high voltage electric energy that energy storage rectifier circuit (2) produces power inverse transformation circuit
Device charges；High voltage discharge circuit (3), when the voltage at energy-storage capacitor both ends reaches the breakdown voltage of discharge tube, discharge tube is hit
Perforating is logical, and high voltage electric energy abrupt release is exported；Output protection circuit (4), by high-power wire-wound resistor to electrion
The high voltage electric energy of circuit output is protected, and prevents the high voltage electric energy of igniter output during miscellaneous part failure can not discharge from making
Into interiors of products device because high voltage short circuit occurs burning phenomenon, it is characterised in that the direct current transistor-type ignition device temperature
Compensation circuit adds feedback control temperature-compensation circuit to ensure the output of product fire in transistor type self-excitation circuit of reversed excitation
Flower frequency does not change because of the change of environment temperature, and the feedback control temperature-compensation circuit includes one R5 of resistance, resistance
Two R6, three R7 of resistance, four R4 of resistance, voltage-reference V3, triode V2；After one R5 of resistance contacts with two R6 phases of resistance, resistance
One R5 and two R6 of resistance again with three R7 phases of resistance and company, one end of four R4 of resistance, the anode of voltage-reference V3, triode V2
B grades are connected, and the other end of four R4 of E levels and resistance of triode V2 and the B levels of switching transistor connect, feedback control temperature-compensating
Circuit connected in series is between switching transistor and power supply negative terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711095692.2A CN107947762A (en) | 2017-11-08 | 2017-11-08 | A kind of direct current transistor-type ignition device temperature-compensation circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711095692.2A CN107947762A (en) | 2017-11-08 | 2017-11-08 | A kind of direct current transistor-type ignition device temperature-compensation circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107947762A true CN107947762A (en) | 2018-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711095692.2A Pending CN107947762A (en) | 2017-11-08 | 2017-11-08 | A kind of direct current transistor-type ignition device temperature-compensation circuit |
Country Status (1)
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|---|---|
| CN (1) | CN107947762A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110761903A (en) * | 2019-11-11 | 2020-02-07 | 陕西航空电气有限责任公司 | Circuit for improving low-temperature working performance of transistor ignition device and design method |
| CN110848031A (en) * | 2019-11-13 | 2020-02-28 | 陕西航空电气有限责任公司 | Constant-current driving circuit of transistor ignition device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030173910A1 (en) * | 2002-01-17 | 2003-09-18 | Toshio Suzuki | Discharge lamp lighting apparatus, light source apparatus and projection type display apparatus |
| CN104454288A (en) * | 2014-09-30 | 2015-03-25 | 四川泛华航空仪表电器有限公司 | Frequency-stabilization high-energy electronic ignition device |
| CN205425008U (en) * | 2016-03-23 | 2016-08-03 | 徐州能达燃烧控制工程有限公司 | Spark tunable frequency's high energy ignition device |
| CN205450863U (en) * | 2015-12-21 | 2016-08-10 | 延锋伟世通电子科技（上海）有限公司 | Positive adjustable constant current circuit of negative temperature coefficient |
-
2017
- 2017-11-08 CN CN201711095692.2A patent/CN107947762A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030173910A1 (en) * | 2002-01-17 | 2003-09-18 | Toshio Suzuki | Discharge lamp lighting apparatus, light source apparatus and projection type display apparatus |
| CN104454288A (en) * | 2014-09-30 | 2015-03-25 | 四川泛华航空仪表电器有限公司 | Frequency-stabilization high-energy electronic ignition device |
| CN205450863U (en) * | 2015-12-21 | 2016-08-10 | 延锋伟世通电子科技（上海）有限公司 | Positive adjustable constant current circuit of negative temperature coefficient |
| CN205425008U (en) * | 2016-03-23 | 2016-08-03 | 徐州能达燃烧控制工程有限公司 | Spark tunable frequency's high energy ignition device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110761903A (en) * | 2019-11-11 | 2020-02-07 | 陕西航空电气有限责任公司 | Circuit for improving low-temperature working performance of transistor ignition device and design method |
| CN110761903B (en) * | 2019-11-11 | 2022-08-19 | 陕西航空电气有限责任公司 | Circuit for improving low-temperature working performance of transistor ignition device and design method |
| CN110848031A (en) * | 2019-11-13 | 2020-02-28 | 陕西航空电气有限责任公司 | Constant-current driving circuit of transistor ignition device |
| CN110848031B (en) * | 2019-11-13 | 2022-11-22 | 陕西航空电气有限责任公司 | Constant-current driving circuit of transistor ignition device |
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Application publication date: 20180420 |