CN109578146B - Adjustable ignition device - Google Patents
Adjustable ignition device Download PDFInfo
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- CN109578146B CN109578146B CN201710896890.2A CN201710896890A CN109578146B CN 109578146 B CN109578146 B CN 109578146B CN 201710896890 A CN201710896890 A CN 201710896890A CN 109578146 B CN109578146 B CN 109578146B
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- storage capacitor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/26—Starting; Ignition
- F02C7/264—Ignition
- F02C7/266—Electric
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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
The invention provides an adjustable ignition device, which comprises a power supply, a charging control module, an energy storage capacitor, an ignition transformer, an ignition control module and an ignition electric nozzle, wherein the power supply is suitable for charging the energy storage capacitor through the charging control module; the charging control module of the adjustable ignition device is also suitable for receiving external input and controlling the electric quantity charged to the energy storage capacitor by the power supply according to the external input. According to the adjustable ignition device provided by the invention, the electric quantity charged by the capacitor is controlled by the charging control module, so that the ignition energy can be adjusted according to the working condition of the combustion chamber.
Description
Technical Field
The invention relates to an ignition device, in particular to an adjustable ignition device with adjustable ignition energy.
Background
In aeroengine ignition system characteristics and combustion chamber design compatibility requirements, it is mentioned that the ignition energy of the ignition system should be determined by the performance of the combustion chamber, and the electrical energy requirements under the extreme conditions of the combustion chamber should be considered in the design to provide reliable ignition characteristics. Since the energy of the ignition system for a particular combustion chamber should depend on: oil supply level, oil-gas mixture limit, pressure, temperature, altitude, gas flow, combustion chamber configuration, location of ignition burners, and the like. For each new combustion chamber, therefore, a series of ignition tests of different ignition energies should be carried out under extreme conditions to derive the ignition energy that should be available for that combustion chamber. To accomplish these ignition tests with different ignition energies, an ignition exciter with adjustable ignition energy is required. The existing ignition system releases energy through a gas discharge tube by charging a capacitor as the accumulation of discharge energy, and the ignition energy is fixed under the condition that the threshold values of the capacitor and the gas discharge tube are fixed. This results in the need to configure a number of ignition actuators of different energies for the completion of the ignition test and to repeatedly disassemble and assemble the ignition actuators while the test is being conducted. This test format has a number of disadvantages. On the one hand, the continuity of the test is poor in order to fit different actuators. This results in overall inefficiency of the ignition test and difficulty in excluding other factors that affect the test (e.g., ambient air temperature, air pressure variations, etc.). On the other hand, repeated disassembly and assembly also increases the risk of damaging the test object.
Therefore, in order to complete the ignition operation under various working conditions by matching with the combustion chamber, an adjustable ignition device with variable ignition energy is needed to be provided.
Disclosure of Invention
The invention aims to provide an adjustable ignition device capable of adjusting ignition energy according to the working condition of a combustion chamber.
The invention provides an adjustable ignition device, which comprises a power supply, a charging control module, an energy storage capacitor, an ignition transformer, an ignition control module and an ignition electric nozzle, wherein the power supply is suitable for charging the energy storage capacitor through the charging control module, the energy storage capacitor is suitable for discharging to the ignition electric nozzle through the ignition transformer, and the adjustable ignition device is characterized in that:
the charging control module is suitable for controlling the power supply to charge the energy storage capacitor within the charging time and keeping disconnection between the energy storage capacitor and the ignition transformer through the ignition control module; the charging control module is suitable for disconnecting the power supply from the energy storage capacitor when the charging duration is reached, and conducting the connection between the energy storage capacitor and the ignition transformer through the ignition control module;
the charging control module is also suitable for receiving external input and controlling the electric quantity of the power supply charged to the energy storage capacitor according to the external input.
According to at least one embodiment of the present invention, the charging control module includes a switching module, a timing module, and a power control module;
the timing module is suitable for enabling the power supply to charge the energy storage capacitor within the charging time period and keeping disconnection between the energy storage capacitor and the ignition transformer through the ignition control module;
the timing module is suitable for disconnecting the power supply from the energy storage capacitor through the switch module when the charging time is up, and conducting the connection between the energy storage capacitor and the ignition transformer through the ignition control module;
the electric quantity control module is suitable for receiving external input and controlling the electric quantity of the power supply for charging the energy storage capacitor according to the external input.
According to at least one embodiment of the present invention, the power control module is an adjustable transformer having a first primary side and a first secondary side, the first primary side is connected to the power source, the first secondary side is connected to the energy storage capacitor, and a diode is connected in series between the first secondary side and the energy storage capacitor;
the adjustable transformer is suitable for changing the turn ratio between the first primary side and the first secondary side according to the external input, so that the electric quantity of the power supply for charging the energy storage capacitor is controlled.
According to at least one embodiment of the invention, the timing module is a timer adapted to issue a trigger signal when the charging duration is reached;
the switch module is suitable for disconnecting the power supply from the adjustable transformer according to the trigger signal;
the ignition control module is suitable for conducting connection between the energy storage capacitor and the ignition transformer according to the trigger signal.
According to at least one embodiment of the present invention, the switch module comprises a switch tube and a switch driving circuit adapted to control the switch tube, the switch tube is connected in series with the first primary side and the power supply;
the switch driving circuit is connected with the control end of the switch tube and is suitable for changing the potential of the control end according to the trigger signal, and the switch module is suitable for being switched on or switched off according to the potential of the control end.
According to at least one embodiment of the present invention, the switching tube is a field effect transistor, a drain of the field effect transistor is connected to one end of the first primary side, and a gate of the field effect transistor is a control end.
According to at least one embodiment of the invention, the ignition control module comprises a withstand voltage switch and a trigger circuit connected in series between the energy storage capacitor and the ignition transformer;
the trigger circuit is suitable for turning on the voltage-resistant switch according to the trigger signal.
According to at least one embodiment of the present invention, the timing module is a counter adapted to accumulate a count value at a preset time interval and output the current count value;
the switch module is suitable for receiving the counting value and disconnecting the power supply from the energy storage capacitor when the counting value is greater than a preset value;
the ignition control module is suitable for receiving the counting value and conducting connection between the energy storage capacitor and the ignition transformer when the counting value is larger than the preset value.
According to at least one embodiment of the present invention, the power control module is a pulse width modulator, an output terminal of the pulse width modulator is connected to the switching module, and the switching module is further adapted to turn on or off the connection between the power supply and the energy storage capacitor according to a level of the output terminal of the pulse width modulator;
the pulse width modulator is adapted to vary an output duty cycle of the output terminal in accordance with the external input.
According to at least one embodiment of the present invention, the power supply further comprises a charging transformer having a second primary side and a second secondary side;
the power supply is connected with the second primary side, the energy storage capacitor is connected with the second secondary side, and a diode is connected in series between the second secondary side and the energy storage capacitor;
the switch module comprises a switch tube and a switch driving circuit, wherein the switch tube is connected with the second primary side and the power supply in series, and the switch driving circuit is connected with the control end of the switch tube and is suitable for outputting a high level or a low level to the control end of the switch tube according to the count value and the level of the pulse width modulator so as to enable the switch tube to switch on or off the connection between the power supply and the energy storage capacitor.
According to at least one embodiment of the present invention, the switching tube is a field effect tube, and a drain electrode of the field effect tube is connected to the other end of the second primary side;
the grid of the field effect transistor is a control end.
According to at least one embodiment of the invention, the ignition control module comprises a withstand voltage switch and a trigger circuit connected in series between the energy storage capacitor and the ignition transformer;
the trigger circuit is suitable for conducting the voltage-resistant switch when the count value is larger than the preset value.
According to at least one embodiment of the invention, the voltage-resistant switch is a thyristor or an insulated gate bipolar transistor.
According to the adjustable ignition device provided by the invention, the electric quantity charged by the capacitor is controlled by the charging control module, so that the ignition energy can be adjusted according to the working condition of the combustion chamber.
It is to be understood that both the foregoing general description and the following detailed description of the present invention are exemplary and explanatory only and are not restrictive of the invention as claimed. The detailed description is intended to provide further explanation of the invention as claimed.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principle of the invention. In the drawings:
FIG. 1 is a block diagram of an adjustable ignition device according to an embodiment of the present invention;
FIG. 2 is a block diagram of an adjustable ignition device according to another embodiment of the present invention;
FIG. 3 is a schematic circuit diagram of an adjustable ignition device according to another embodiment of the present invention;
fig. 4 shows a schematic circuit diagram of an adjustable ignition device according to a further embodiment of the present invention.
Detailed Description
Embodiments of the present invention will now be described in detail with reference to the accompanying drawings. Reference will now be made in detail to the preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings. Wherever possible, the same reference numbers will be used throughout the drawings to refer to the same or like parts. Further, although the terms used in the present invention are selected from publicly known and used terms, some of the terms mentioned in the description of the present invention may be selected by the applicant at his or her discretion, the detailed meanings of which are described in relevant parts of the description herein. Furthermore, it is required that the present invention is understood, not simply by the actual terms used but by the meaning of each term lying within.
The structure of an alternative embodiment of the present invention will first be described with reference to fig. 1. As shown in fig. 1, according to a non-limiting example, the present invention provides an adjustable ignition device, which includes a power supply 1, a charging control module 2, an energy storage capacitor 3, an ignition transformer 4, an ignition control module 5, and an ignition nozzle 6. The power supply 1 is able to charge the energy storage capacitor 3 via the charging control module 2. The energy storage capacitor 3 can discharge to the ignition torch 6 via the ignition transformer 4. This arrangement allows the power supply 1 to charge the energy storage capacitor 3 at a relatively low voltage, while the energy storage capacitor 3 is able to develop a very high voltage at the ignition nozzle 6 via the ignition transformer 4. In order to further increase the voltage difference between the power supply 1 and the ignition torch 6, a component having a voltage transformation function may be provided in the charging control module 2.
The charging control module 2 stores a charging time period. During the charging period, the charging control module 2 makes the power supply 1 charge the energy storage capacitor 3, and the energy storage capacitor 3 and the ignition transformer 4 are kept disconnected through the ignition control module 5. This arrangement enables the power supply 1 to charge the energy storage capacitor 3 for a charging period of time, and the charge in the energy storage capacitor 3 is not released to the ignition transformer 4. When the charging time is up, the charging control module 2 disconnects the power supply 1 from the energy storage capacitor 3, and switches on the connection between the energy storage capacitor 3 and the ignition transformer 4 through the ignition control module 5. At this time, all the charges in the energy storage capacitor 3 can pass through the ignition transformer 4, and further, a high voltage is generated at the ignition nozzle 6 for ignition. In addition, the charging control module 2 can also receive external input and control the amount of electricity that the power supply 1 charges to the energy storage capacitor 3 according to the external input.
It is noted that the above example is merely illustrative of an alternative example of the adjustable ignition device proposed by the present invention. Many parts of the adjustable ignition device proposed by the present invention can have various arrangements. For example, after receiving the external input, the charging control module 22 may use the energy input from the outside as the electric quantity to be charged into the energy storage capacitor 33 by the next power supply 1, or may periodically change the electric quantity to be charged into the energy storage capacitor 33 by the power supply 1. At least some of the variations of the invention are further described below in the examples.
Referring to fig. 2, according to one non-limiting example, the charging control module 2 further comprises a switch module 22, a timing module 21 and a charge control module 23. The role of the timing module is manifold. On one hand, the timing module 21 keeps the switch module 22 on during the charging time period, so that the power supply 1 charges the energy storage capacitor 3, and keeps the ignition control module 5 in an off state, so that the energy storage capacitor 3 and the ignition transformer 4 are kept disconnected; on the other hand, the timer module 21 can turn off the switch module 22 when the charging time is reached, thereby disconnecting the power supply 1 from the energy storage capacitor 3, turning the ignition control module 5 to an on state, and turning on the connection between the energy storage capacitor 3 and the ignition transformer 4. The electric quantity control module 23 is configured to receive an external input and control the electric quantity charged into the energy storage capacitor 3 by the power supply 1 according to the external input.
Referring to fig. 3, according to a non-limiting example, the electric quantity control module 23 is an adjustable transformer 231, a primary side (i.e., a first primary side) of the adjustable transformer 231 is connected to the power supply 1, a secondary side (i.e., a first secondary side) of the adjustable transformer 231 is connected to the energy storage capacitor 3, and a diode 7 is further connected in series when the secondary side of the adjustable transformer 231 is connected to the energy storage capacitor 3. The diode 7 prevents the energy storage capacitor 3 from discharging through the circuit formed by the secondary side of the variable transformer 231 when the power supply 1 stops charging the energy storage capacitor 3. The adjustable transformer 231 can change the turn ratio between the primary side and the secondary side according to the external input, thereby controlling the charging voltage from the power supply 1 to the energy storage capacitor 3, and further controlling the charging electric quantity of the energy storage capacitor 3 within a fixed charging time period.
Optionally, in the present non-limiting example, timing module 22 is a timer 211. The timer 211 is capable of counting time and issuing a trigger signal at the time when the charging period is reached. The switch module 22 receives the trigger signal and disconnects the power supply 1 from the adjustable transformer 231 according to the trigger signal. Correspondingly, the ignition control module 5 can conduct the connection between the energy storage capacitor 3 and the ignition transformer 4 according to the trigger signal. The above arrangement is such that at the moment when the charging period is reached, the power supply 1 stops charging the energy storage capacitor 3 and the energy storage capacitor 3 releases all its stored energy to the ignition transformer 4, so that the ignition nozzle 6 obtains sufficient energy and voltage to perform ignition.
Optionally, in the present non-limiting example, the switching module 22 includes a switching tube 221 connected in series on the primary side of the adjustable transformer 231 and a switching driving circuit 222 capable of controlling the switching tube 221. The specific way in which the switch driving circuit 222 controls the switch tube 221 is that the switch driving circuit 222 is connected to a control end of the switch tube 221 and can receive a trigger signal. The potential of the control terminal of the switch tube 221 is changed, so that the switch tube 221 is turned on or off. The switching tube can be a field effect tube to reduce standby loss. In this arrangement, the drain of the fet serving as the switching transistor 221 is connected to one end of the primary side of the adjustable transformer, and the gate is the control end. Power supply 1 may then be connected to the other end of the primary side of adjustable transformer 231.
Optionally, in the present non-limiting example, the ignition control module 5 comprises a withstand voltage switch 52 and a trigger circuit 51 connected in series between the energy storage capacitor 3 and the ignition transformer 4. The trigger circuit 51 can receive a trigger signal from the timer 221, and turn on the withstand voltage switch 52 in accordance with the trigger signal, thereby starting discharge of the storage capacitor 3 to the ignition transformer 4.
In the present non-limiting example, the voltage-resistant switch 52 can be made of various devices capable of withstanding higher voltages. For example, the withstand voltage switch 52 may be made of a Silicon Controlled Rectifier (SCR) or an Insulated Gate Bipolar Transistor (IGBT) device.
The structure of an ignition device in another non-limiting example of the present disclosure is described below with reference to fig. 4. In the present non-limiting example, the timing module 21 is a counter 212. The counter 212 may accumulate a count value at certain preset time intervals and output the current count value. In the present non-limiting example, the switch module 22 is capable of receiving the count value and disconnecting the power supply 1 from the energy storage capacitor 3 when the count value is greater than a preset value. Correspondingly, the ignition control module 5 can also receive the counting value and conduct the connection between the energy storage capacitor 3 and the ignition transformer 4 when the counting value is greater than a preset value.
Optionally, in the present non-limiting example, the power control module 23 is a Pulse Width Modulator (PWM) 232. The output of the Pulse Width Modulator (PWM)232 is connected to the switching module 22. The switching module 22 is capable of turning on or off the connection of the power supply 1 and the energy storage capacitor 3 according to the level of a Pulse Width Modulator (PWM)232 in addition to turning on and off the connection between the energy storage capacitor 3 and the ignition transformer 4 according to the reception count value. In other words, the switching module 22 is simultaneously controlled by the count value and the level of the Pulse Width Modulator (PWM) 232. Meanwhile, the Pulse Width Modulator (PWM)232 can change the output duty ratio of its output terminal according to the external input, thereby changing the actual on-time of the switching module 22. In this way, the Pulse Width Modulator (PWM)232 can change the equivalent voltage charged by the power supply 1 to the energy storage capacitor 3 according to the external input, thereby realizing the control of the amount of electricity charged by the power supply 1 to the energy storage capacitor 3.
Optionally, in the present non-limiting example, the adjustable ignition device further includes a charging transformer 8, the power supply 1 is connected to one end of the primary side (i.e., the second primary side) of the charging transformer 8, the energy storage capacitor 3 is connected to two ends of the secondary side (i.e., the second secondary side) of the charging transformer 8, and a diode 7 is further connected in series between the energy storage capacitor 3 and the charging transformer 8. In the present non-limiting example, the switching module includes a switching tube 221 and a switching driver circuit 222 connected in series on the primary side of the charging transformer. The switch driving circuit 222 is connected to the control end of the switch tube 221, and can output a high level or a low level to the control end of the switch tube 221 according to the count value and the level of the pulse width modulator, so that the switch tube 221 switches on the connection between the power supply 1 and the energy storage capacitor 3, or switches off the connection between the power supply 1 and the energy storage capacitor 3.
Alternatively, in the present non-limiting example, the switching transistor 221 is a field effect transistor, a drain of the field effect transistor is connected to one end of the primary side of the charging transformer 8, and a gate is a control end. The power supply 1 is connected to the other end of the primary side of the charging transformer 8. Optionally, the ignition control module 5 includes a voltage-withstanding switch 52 and a trigger circuit 51 connected in series between the energy-storage capacitor 3 and the ignition transformer 4. Wherein, the trigger circuit 51 can turn on the voltage-resistant switch 52 when the count value is greater than the preset value.
In the present non-limiting example, the withstand voltage switch 52 can be made of various devices capable of withstanding a higher voltage, similarly to the previous non-limiting example. For example, the withstand voltage switch 52 may be made of a Silicon Controlled Rectifier (SCR) or an Insulated Gate Bipolar Transistor (IGBT) device.
Although the present invention has been described with reference to the present specific embodiments, it will be appreciated by those skilled in the art that the above embodiments are merely illustrative of the present invention, and various equivalent changes and substitutions may be made without departing from the spirit of the invention, and therefore, changes and modifications to the above embodiments within the spirit of the invention are intended to fall within the scope of the claims of the present application.
Claims (12)
1. An adjustable ignition device, comprising a power source, a charging control module, an energy storage capacitor, an ignition transformer, an ignition control module and an ignition torch, wherein the power source is adapted to charge the energy storage capacitor through the charging control module, the energy storage capacitor is adapted to discharge to the ignition torch through the ignition transformer, characterized in that:
the charging control module is suitable for controlling the power supply to charge the energy storage capacitor within the charging duration, and the ignition control module keeps the energy storage capacitor disconnected from the ignition transformer; the charging control module is suitable for disconnecting the power supply from the energy storage capacitor when the charging time is up, and conducting the connection between the energy storage capacitor and the ignition transformer through the ignition control module;
the charging control module is also suitable for receiving external input and controlling the electric quantity of the power supply charged to the energy storage capacitor according to the external input;
the charging control module comprises a switch module, a timing module and a power control module;
the timing module is suitable for enabling the power supply to charge the energy storage capacitor within the charging time period, and the ignition control module enables the energy storage capacitor and the ignition transformer to be kept disconnected;
the timing module is suitable for disconnecting the power supply from the energy storage capacitor through the switch module when the charging time is up, and conducting the connection between the energy storage capacitor and the ignition transformer through the ignition control module;
the power control module is suitable for receiving external input and controlling the power of the power supply to charge the energy storage capacitor according to the external input, so that the ignition energy of the adjustable ignition device is adjusted.
2. The adjustable ignition device of claim 1, wherein: the power control module is an adjustable transformer, the adjustable transformer is provided with a first primary side and a first secondary side, the first primary side is connected with the power supply, the first secondary side is connected with the energy storage capacitor, and a diode is connected in series between the first secondary side and the energy storage capacitor;
the adjustable transformer is suitable for changing the turn ratio between the first primary side and the first secondary side according to the external input, so that the electric quantity of the power supply for charging the energy storage capacitor is controlled.
3. The adjustable ignition device of claim 2, wherein: the timing module is a timer, and the timer is suitable for sending out a trigger signal when the charging time is reached;
the switch module is suitable for disconnecting the power supply from the adjustable transformer according to the trigger signal;
the ignition control module is suitable for conducting connection between the energy storage capacitor and the ignition transformer according to the trigger signal.
4. The adjustable ignition device of claim 3, wherein: the switch module comprises a switch tube and a switch driving circuit suitable for controlling the switch tube, and the switch tube is connected with the first primary side and the power supply in series;
the switch driving circuit is connected with the control end of the switch tube and is suitable for changing the potential of the control end according to the trigger signal, and the switch module is suitable for being switched on or switched off according to the potential of the control end.
5. The adjustable ignition device of claim 4, wherein: the switching tube is a field effect tube, a drain electrode of the field effect tube is connected with one end of the first primary side, and a grid electrode of the field effect tube is a control end.
6. The adjustable ignition device of claim 3, wherein: the ignition control module comprises a voltage-resistant switch and a trigger circuit which are connected in series between the energy storage capacitor and the ignition transformer;
the trigger circuit is suitable for turning on the voltage-resistant switch according to the trigger signal.
7. The adjustable ignition device of claim 1, wherein: the timing module is a counter, and the counter is suitable for accumulating count values at preset time intervals and outputting the current count values;
the switch module is suitable for receiving the counting value and disconnecting the power supply from the energy storage capacitor when the counting value is greater than a preset value;
the ignition control module is suitable for receiving the counting value and conducting connection between the energy storage capacitor and the ignition transformer when the counting value is larger than the preset value.
8. The adjustable ignition device of claim 7, wherein: the power control module is a pulse width modulator, the output end of the pulse width modulator is connected with the switch module, and the switch module is also suitable for switching on or off the connection between the power supply and the energy storage capacitor according to the level of the output end of the pulse width modulator;
the pulse width modulator is adapted to vary an output duty cycle of the output terminal in accordance with the external input.
9. The adjustable ignition device of claim 8, wherein: the charging transformer is provided with a second primary side and a second secondary side;
the power supply is connected with the second primary side, the energy storage capacitor is connected with the second secondary side, and a diode is connected in series between the second secondary side and the energy storage capacitor;
the switch module comprises a switch tube and a switch driving circuit, the switch tube is connected with the second primary side and the power supply in series, and the switch driving circuit is connected with the control end of the switch tube and is suitable for outputting a high level or a low level to the control end of the switch tube according to the count value and the level of the pulse width modulator so as to enable the switch tube to switch on or off the connection between the power supply and the energy storage capacitor.
10. The adjustable ignition device of claim 9, wherein: the switching tube is a field effect tube, and the drain electrode of the field effect tube is connected with the other end of the second primary side;
and the grid electrode of the field effect transistor is a control end.
11. The adjustable ignition device of claim 7, wherein: the ignition control module comprises a voltage-resistant switch and a trigger circuit which are connected in series between the energy storage capacitor and the ignition transformer;
the trigger circuit is suitable for conducting the voltage-resistant switch when the count value is larger than the preset value.
12. The adjustable ignition device according to claim 6 or 11, wherein: the voltage-resistant switch is a silicon controlled or insulated gate bipolar transistor.
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| CN201710896890.2A CN109578146B (en) | 2017-09-28 | 2017-09-28 | Adjustable ignition device |
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| CN201710896890.2A CN109578146B (en) | 2017-09-28 | 2017-09-28 | Adjustable ignition device |
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| CN109578146B true CN109578146B (en) | 2020-03-13 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN110925100B (en) * | 2019-12-04 | 2022-01-28 | 四川泛华航空仪表电器有限公司 | Variable-energy variable-frequency ignition device |
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| GB1330503A (en) * | 1969-09-25 | 1973-09-19 | Bendix Corp | Pulse generating apparatus |
| CN200972374Y (en) * | 2006-09-29 | 2007-11-07 | 张晓志 | Ignitor |
| CN203942463U (en) * | 2014-06-13 | 2014-11-12 | 台安科技(无锡)有限公司 | 1000V adjustable DC power supply |
| 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 |
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| WO2017068911A1 (en) * | 2015-10-19 | 2017-04-27 | 株式会社日立製作所 | Power supply system of distributed power sources |
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