CN111219281A - Automatic discharge voltage detection device for ignition nozzle of engine - Google Patents
Automatic discharge voltage detection device for ignition nozzle of engine Download PDFInfo
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- CN111219281A CN111219281A CN201911186149.2A CN201911186149A CN111219281A CN 111219281 A CN111219281 A CN 111219281A CN 201911186149 A CN201911186149 A CN 201911186149A CN 111219281 A CN111219281 A CN 111219281A
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- circuit
- ignition
- control circuit
- nozzle
- voltage
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- 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
- F02P17/00—Testing of ignition installations, e.g. in combination with adjusting; Testing of ignition timing in compression-ignition engines
- F02P17/12—Testing characteristics of the spark, ignition voltage or current
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- 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
- F02P5/00—Advancing or retarding ignition; Control therefor
- F02P5/04—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions
- F02P5/145—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions using electrical means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/0084—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring voltage only
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- 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
- F02P17/00—Testing of ignition installations, e.g. in combination with adjusting; Testing of ignition timing in compression-ignition engines
- F02P17/12—Testing characteristics of the spark, ignition voltage or current
- F02P2017/121—Testing characteristics of the spark, ignition voltage or current by measuring spark voltage
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
Abstract
The invention discloses an automatic discharge voltage detection device for an ignition electric nozzle of an engine, which comprises a booster circuit, a booster control circuit, a data processing control circuit, a photoelectric sensor, a sampling circuit and the ignition electric nozzle, wherein the booster circuit is connected with the sampling circuit; the boosting circuit is respectively connected with the boosting control circuit and the sampling circuit, the ignition electric nozzle is respectively connected with the boosting circuit and the photoelectric sensor, and the data processing control circuit is respectively connected with the boosting control circuit, the sampling circuit and the photoelectric sensor; the boost control circuit is used for controlling the voltage of the boost circuit to rise and fall, the sampling circuit is used for monitoring the voltage value of the boost circuit, and the photoelectric sensor is used for sensing whether the ignition nozzle has discharge sparks or not. The invention realizes the automatic detection of the discharge voltage of the ignition nozzle of the engine, and is more convenient and simpler than the complex operation flow of adopting the pre-estimated value and the knob adjustment in the traditional technology.
Description
Technical Field
The invention belongs to the technical field of engine ignition nozzle detection devices, and particularly relates to an automatic discharge voltage detection device for an engine ignition nozzle.
Background
The aircraft engine is the heart of an aircraft, the aircraft ignition system is one of important parts of the aircraft engine, and the ignition electric nozzle is taken as an important component of the ignition system, and the performance of the ignition electric nozzle directly influences the reliability and safety of the engine operation. The discharge voltage of the ignition nozzle of the engine is an important parameter for checking the performance of the ignition nozzle, and the discharge voltage of the ignition nozzle refers to the minimum input voltage for breaking down the ignition nozzle to generate a discharge spark.
At present, the discharge voltage detection of an ignition electric nozzle of an aerospace engine still adopts a mechanical knob type autotransformer to boost the power input, a voltage value needs to be estimated in advance, a test button is pressed, if the ignition electric nozzle forms discharge sparks, a knob is adjusted back to reduce the output voltage value, the test is continuously carried out until no discharge sparks are generated at the electric nozzle, and the reading of a voltmeter at the moment is the discharge voltage of the ignition electric nozzle. The disadvantages are that: the operation flow is complex, the interference of human factors is introduced, and the data deviation is large due to the return error caused by the mechanical knob.
Disclosure of Invention
The invention aims to provide an automatic discharge voltage detection device for an ignition electric nozzle of an engine, and aims to provide the automatic discharge voltage detection device which is convenient and simple, has stable and reliable data and high precision.
The invention is mainly realized by the following technical scheme: an automatic discharge voltage detection device for an engine ignition nozzle comprises a booster circuit, a booster control circuit, a data processing control circuit, a photoelectric sensor, a sampling circuit and an ignition nozzle; the boosting circuit is respectively connected with the boosting control circuit and the sampling circuit, the ignition electric nozzle is respectively connected with the boosting circuit and the photoelectric sensor, and the data processing control circuit is respectively connected with the boosting control circuit, the sampling circuit and the photoelectric sensor; the boost control circuit is used for controlling the voltage of the boost circuit to rise and fall, the sampling circuit is used for monitoring the voltage value of the boost circuit, and the photoelectric sensor is used for sensing whether the ignition nozzle has discharge sparks or not.
In order to better realize the invention, the invention further comprises a display circuit, wherein the display circuit is used for displaying the voltage value, and the sampling circuit monitors the voltage value of the booster circuit and sends the voltage value to the display circuit for displaying after being processed by the data processing control circuit.
In order to better realize the invention, further, when the photoelectric sensor detects that the ignition nozzle discharges the electric spark, the data processing control circuit controls the boosting control circuit to stop working, and the voltage value of the boosting circuit is fixed at the moment; meanwhile, the data processing control circuit controls the sampling circuit to stop sampling, and the voltage value displayed in the display circuit is the discharge voltage of the ignition nozzle at the moment.
In the using process of the invention, whether the voltage of the booster circuit rises or not is controlled by the booster control circuit, and the working state of the booster control circuit depends on whether the photoelectric sensor senses the discharge spark of the ignition nozzle or not; the sampling circuit monitors the voltage value of the booster circuit, and the voltage value is processed by the data processing control circuit and then sent to the display circuit for display; when the photoelectric sensor senses the discharge spark of the ignition nozzle, the sampling circuit stops sampling after the data processing control circuit processes the discharge spark, and the voltage value displayed in the display circuit is the discharge voltage of the ignition nozzle.
In order to better implement the invention, the ignition device further comprises an output circuit, wherein the boosting circuit is connected with the ignition torch through the output circuit, and the output circuit is connected with the ignition torch through an ignition cable.
In order to better implement the invention, further, the input end of the voltage boosting circuit is connected with a power supply.
In the using process, after the input of a power supply is switched on, the power supply voltage is boosted through the boosting circuit, the boosted voltage is transmitted to the ignition cable through the output circuit to reach the ignition electric nozzle, and when the voltage of the boosting circuit reaches the discharge voltage of the ignition electric nozzle, discharge sparks are formed on the section of the ignition electric nozzle and the boosting circuit is controlled through the photoelectric sensor, the data processing control circuit and the boosting control circuit; meanwhile, the sampling circuit samples the voltage in the boosting process of the booster circuit, and the sampling signal is processed by the data processing control circuit and then is sent to the display circuit to display the discharge voltage of the ignition nozzle.
The invention has the beneficial effects that:
(1) the invention is convenient and simple. The data processing control circuit controls the working states of the boosting control circuit and the sampling circuit by processing the signal of the discharge spark state of the ignition electric nozzle sensed by the photoelectric sensor, realizes the automatic detection of the discharge voltage of the ignition electric nozzle of the engine, and is more convenient and simpler than the original complex operation flow adopting the pre-estimation and the knob adjustment.
(2) The read data is stable and reliable. The invention adopts the sampling circuit to detect the discharge voltage of the ignition torch, the data result truly reflects the discharge voltage value of the ignition torch, and simultaneously, the data deviation caused by man-made interference is eliminated.
(3) High precision. The invention replaces the original mechanical knob type autotransformer by the booster circuit containing the digital control transformer, has no return error of the mechanical knob, and has higher discharge voltage detection precision of the ignition nozzle because the digital control transformer is convenient to adjust and has high precision.
Drawings
FIG. 1 is a functional block diagram of the present invention;
FIG. 2 is a flow chart of the detection according to the present invention.
Wherein: 1-power input, 2-booster circuit, 3-output circuit, 4-ignition cable, 5-ignition electric nozzle, 6-photoelectric sensor, 7-data processing control circuit, 8-booster control circuit, 9-sampling circuit and 10-display circuit.
Detailed Description
Example 1:
an automatic detection device for discharge voltage of an engine ignition electric nozzle comprises a booster circuit 2, a booster control circuit 8, a data processing control circuit 7, a photoelectric sensor 6, a sampling circuit 9 and an ignition electric nozzle 5; the boosting circuit 2 is respectively connected with a boosting control circuit 8 and a sampling circuit 9, the ignition electric nozzle 5 is respectively connected with the boosting circuit 2 and the photoelectric sensor 6, and the data processing control circuit 7 is respectively connected with the boosting control circuit 8, the sampling circuit 9 and the photoelectric sensor 6; the boost control circuit 8 is used for controlling the voltage of the boost circuit 2 to rise and fall, the sampling circuit 9 is used for monitoring the voltage value of the boost circuit 2, and the photoelectric sensor 6 is used for sensing whether the ignition torch 5 has discharge sparks or not.
In the use process of the invention, the voltage value of the booster circuit 2 is controlled by the booster control circuit 8, and the sampling circuit 9 monitors the voltage value of the booster circuit 2. When the ignition electric nozzle 5 has discharge spark, the photoelectric sensor 6 inputs a monitoring signal into the data processing control circuit 7, at this time, the data processing control circuit 7 immediately controls the boosting control circuit 8 and the sampling circuit 9 to stop working respectively, at this time, the voltage value of the boosting circuit 2 is unchanged, and at this time, the voltage value detected by the sampling circuit 9 is the discharge voltage of the ignition electric nozzle 5.
The invention is convenient and simple. The data processing control circuit 7 of the invention processes the signal by sensing the discharge spark state of the ignition electric nozzle 5 by the photoelectric sensor 6, controls the working states of the boosting control circuit 8 and the sampling circuit 9, realizes the automatic detection of the discharge voltage of the ignition electric nozzle 5 of the engine, and is more convenient and simpler than the original complex operation flow adopting the pre-estimation value and the knob adjustment.
The read data is stable and reliable. The invention adopts the sampling circuit 9 to detect the discharge voltage of the ignition torch 5, the data result truly reflects the discharge voltage value of the ignition torch 5, and simultaneously, the data deviation caused by man-made interference is eliminated.
High precision. The invention replaces the original mechanical knob type autotransformer with the booster circuit 2 containing the digital control transformer, has no return error of the mechanical knob, and has higher discharge voltage detection precision of the ignition electric nozzle 5 because the digital control transformer is convenient to adjust and has high precision.
Example 2:
an automatic discharge voltage detection device for an engine ignition nozzle, as shown in fig. 1 and 2, can be used for detecting the discharge voltage of an ignition nozzle 5; the device comprises a booster circuit 2 containing a digital control transformer, an output circuit 3, a photoelectric sensor 6 for detecting the discharge state of an ignition torch 5, a sampling circuit 9 for monitoring the voltage value of the booster circuit 2, a booster control circuit 8 for controlling the voltage value of the booster circuit 2, a data processing control circuit 7 and a display circuit 10 for displaying the discharge voltage value of the ignition torch 5.
Whether the voltage of the boosting circuit 2 rises or not is controlled by the boosting control circuit 8, and the working state of the boosting control circuit 8 depends on whether the photoelectric sensor 6 senses the discharge spark of the ignition nozzle 5 or not; the sampling circuit 9 monitors the voltage value of the booster circuit 2, and the voltage value is sent to the display circuit 10 for display after being processed by the data processing control circuit 7; when the photoelectric sensor 6 senses the discharge spark of the ignition torch 5, the sampling circuit 9 stops sampling after the processing of the data processing control circuit 7, and the voltage value displayed in the display circuit 10 is the discharge voltage of the ignition torch 5. The output circuit 3 is connected to an ignition torch 5 via an ignition cable 4.
After the power input 1 is switched on, the booster circuit 2 starts to boost automatically, the sampling circuit 9 samples and monitors the voltage value of the booster circuit 2, when the photoelectric sensor 6 does not sense the discharge spark signal of the ignition torch 5, the data processing control circuit 7 respectively controls the booster control circuit 8 and the sampling circuit 9 to enable the booster control circuit 8 and the sampling circuit 9 to continue boosting and sampling, the sampled voltage value is sent and displayed after data processing, and the voltage value of the booster circuit 2 is monitored.
When the photoelectric sensor 6 senses a discharge spark signal of the ignition torch 5, the data processing control circuit 7 respectively controls the boosting control circuit 8 and the sampling circuit 9 to stop boosting and sampling, records the voltage value at the moment, and displays the voltage value after data processing, so that the discharge voltage of the ignition torch 5 is automatically detected.
The invention is convenient and simple. The data processing control circuit 7 of the invention processes the signal by sensing the discharge spark state of the ignition electric nozzle 5 by the photoelectric sensor 6, controls the working states of the boosting control circuit 8 and the sampling circuit 9, realizes the automatic detection of the discharge voltage of the ignition electric nozzle 5 of the engine, and is more convenient and simpler than the original complex operation flow adopting the pre-estimation value and the knob adjustment.
The read data is stable and reliable. The invention adopts the sampling circuit 9 to detect the discharge voltage of the ignition torch 5, the data result truly reflects the discharge voltage value of the ignition torch 5, and simultaneously, the data deviation caused by man-made interference is eliminated.
High precision. The invention replaces the original mechanical knob type autotransformer with the booster circuit 2 containing the digital control transformer, has no return error of the mechanical knob, and has higher discharge voltage detection precision of the ignition electric nozzle 5 because the digital control transformer is convenient to adjust and has high precision.
Other parts of this embodiment are the same as embodiment 1, and thus are not described again.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications and equivalent variations of the above embodiments according to the technical spirit of the present invention are included in the scope of the present invention.
Claims (5)
1. An automatic discharge voltage detection device for an engine ignition electric nozzle is characterized by comprising a booster circuit (2), a booster control circuit (8), a data processing control circuit (7), a photoelectric sensor (6), a sampling circuit (9) and an ignition electric nozzle (5); the booster circuit (2) is respectively connected with a booster control circuit (8) and a sampling circuit (9), the ignition electric nozzle (5) is respectively connected with the booster circuit (2) and the photoelectric sensor (6), and the data processing control circuit (7) is respectively connected with the booster control circuit (8), the sampling circuit (9) and the photoelectric sensor (6); the voltage boosting control circuit (8) is used for controlling the voltage of the voltage boosting circuit (2) to rise and fall, the sampling circuit (9) is used for monitoring the voltage value of the voltage boosting circuit (2), and the photoelectric sensor (6) is used for sensing whether the ignition electric nozzle (5) has discharge sparks or not.
2. The automatic detection device for the discharge voltage of the ignition nozzle of the engine as claimed in claim 1, further comprising a display circuit (10), wherein the display circuit (10) is used for displaying the voltage value, the sampling circuit (9) monitors the voltage value of the boosting circuit (2), and the voltage value is processed by the data processing control circuit (7) and then sent to the display circuit (10) for displaying.
3. The automatic detection device for the discharge voltage of the ignition nozzle of the engine as claimed in claim 2, wherein when the photoelectric sensor (6) detects that the ignition nozzle (5) discharges spark, the data processing control circuit (7) controls the boost control circuit (8) to stop working, and the voltage value of the boost circuit (2) is fixed; meanwhile, the data processing control circuit (7) controls the sampling circuit (9) to stop sampling, and the voltage value displayed in the display circuit (10) is the discharge voltage of the ignition nozzle (5).
4. The automatic detection device for the discharge voltage of the ignition nozzle of the engine as claimed in claim 1, further comprising an output circuit (3), wherein the boosting circuit (2) is connected with the ignition nozzle (5) through the output circuit (3), and the output circuit (3) is connected with the ignition nozzle (5) through an ignition cable (4).
5. The automatic detection device for the discharge voltage of the ignition nozzle of the engine as claimed in claim 1, wherein the input end of the boosting circuit (2) is connected with a power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911186149.2A CN111219281B (en) | 2019-11-28 | 2019-11-28 | Automatic discharge voltage detection device for ignition nozzle of engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911186149.2A CN111219281B (en) | 2019-11-28 | 2019-11-28 | Automatic discharge voltage detection device for ignition nozzle of engine |
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| Publication Number | Publication Date |
|---|---|
| CN111219281A true CN111219281A (en) | 2020-06-02 |
| CN111219281B CN111219281B (en) | 2021-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911186149.2A Active CN111219281B (en) | 2019-11-28 | 2019-11-28 | Automatic discharge voltage detection device for ignition nozzle of engine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114856881A (en) * | 2022-04-20 | 2022-08-05 | 中国航发沈阳发动机研究所 | Self-diagnosis technology design method and system for aviation ignition system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202250550U (en) * | 2011-07-07 | 2012-05-30 | 曹杨庆 | Energy balance type charging igniting circuit of igniter of motorcycle |
| US20150340846A1 (en) * | 2014-05-21 | 2015-11-26 | Caterpillar Inc. | Detection system for determining spark voltage |
| CN105317613A (en) * | 2015-11-01 | 2016-02-10 | 四川泛华航空仪表电器有限公司 | Spark frequency online detection device for engine ignition system |
| CN105697213A (en) * | 2011-07-07 | 2016-06-22 | 曹杨庆 | Gasoline engine energy balance ignition circuit and energy control method |
| US20180066624A1 (en) * | 2016-09-02 | 2018-03-08 | Denso Corporation | Ignition apparatus |
-
2019
- 2019-11-28 CN CN201911186149.2A patent/CN111219281B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202250550U (en) * | 2011-07-07 | 2012-05-30 | 曹杨庆 | Energy balance type charging igniting circuit of igniter of motorcycle |
| CN105697213A (en) * | 2011-07-07 | 2016-06-22 | 曹杨庆 | Gasoline engine energy balance ignition circuit and energy control method |
| US20150340846A1 (en) * | 2014-05-21 | 2015-11-26 | Caterpillar Inc. | Detection system for determining spark voltage |
| CN105317613A (en) * | 2015-11-01 | 2016-02-10 | 四川泛华航空仪表电器有限公司 | Spark frequency online detection device for engine ignition system |
| US20180066624A1 (en) * | 2016-09-02 | 2018-03-08 | Denso Corporation | Ignition apparatus |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114856881A (en) * | 2022-04-20 | 2022-08-05 | 中国航发沈阳发动机研究所 | Self-diagnosis technology design method and system for aviation ignition system |
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| CN111219281B (en) | 2021-08-13 |
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